LWTools: lwcc/parse_c.c annotate

author	William Astle <lost@l-w.ca>
date	Sun, 17 Nov 2013 11:59:36 -0700
parents
children

rev	line source
314 a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	1 /* Driver template for the LEMON parser generator.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	2 ** The author disclaims copyright to this source code.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	3 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	4 /* First off, code is included that follows the "include" declaration
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	5 ** in the input grammar file. */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	6 #include <stdio.h>
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	7 #line 1 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	8
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	9 #include <assert.h> // only needed due to a bug in lemon
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	10 #include <stdio.h>
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	11 #include "parse.h"
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	12 #include "tree.h"
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	13 #line 14 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	14 /* Next is all token values, in a form suitable for use by makeheaders.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	15 ** This section will be null unless lemon is run with the -m switch.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	16 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	17 /*
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	18 ** These constants (all generated automatically by the parser generator)
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	19 ** specify the various kinds of tokens (terminals) that the parser
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	20 ** understands.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	21 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	22 ** Each symbol here is a terminal symbol in the grammar.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	23 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	24 /* Make sure the INTERFACE macro is defined.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	25 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	26 #ifndef INTERFACE
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	27 # define INTERFACE 1
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	28 #endif
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	29 /* The next thing included is series of defines which control
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	30 ** various aspects of the generated parser.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	31 ** YYCODETYPE is the data type used for storing terminal
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	32 ** and nonterminal numbers. "unsigned char" is
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	33 ** used if there are fewer than 250 terminals
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	34 ** and nonterminals. "int" is used otherwise.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	35 ** YYNOCODE is a number of type YYCODETYPE which corresponds
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	36 ** to no legal terminal or nonterminal number. This
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	37 ** number is used to fill in empty slots of the hash
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	38 ** table.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	39 ** YYFALLBACK If defined, this indicates that one or more tokens
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	40 ** have fall-back values which should be used if the
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	41 ** original value of the token will not parse.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	42 ** YYACTIONTYPE is the data type used for storing terminal
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	43 ** and nonterminal numbers. "unsigned char" is
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	44 ** used if there are fewer than 250 rules and
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	45 ** states combined. "int" is used otherwise.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	46 ** ParseTOKENTYPE is the data type used for minor tokens given
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	47 ** directly to the parser from the tokenizer.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	48 ** YYMINORTYPE is the data type used for all minor tokens.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	49 ** This is typically a union of many types, one of
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	50 ** which is ParseTOKENTYPE. The entry in the union
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	51 ** for base tokens is called "yy0".
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	52 ** YYSTACKDEPTH is the maximum depth of the parser's stack. If
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	53 ** zero the stack is dynamically sized using realloc()
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	54 ** ParseARG_SDECL A static variable declaration for the %extra_argument
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	55 ** ParseARG_PDECL A parameter declaration for the %extra_argument
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	56 ** ParseARG_STORE Code to store %extra_argument into yypParser
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	57 ** ParseARG_FETCH Code to extract %extra_argument from yypParser
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	58 ** YYNSTATE the combined number of states.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	59 ** YYNRULE the number of rules in the grammar
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	60 ** YYERRORSYMBOL is the code number of the error symbol. If not
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	61 ** defined, then do no error processing.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	62 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	63 #define YYCODETYPE unsigned char
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	64 #define YYNOCODE 30
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	65 #define YYACTIONTYPE unsigned char
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	66 #define ParseTOKENTYPE struct tokendata *
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	67 typedef union {
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	68 int yyinit;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	69 ParseTOKENTYPE yy0;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	70 node_t * yy18;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	71 } YYMINORTYPE;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	72 #ifndef YYSTACKDEPTH
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	73 #define YYSTACKDEPTH 100
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	74 #endif
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	75 #define ParseARG_SDECL struct parserinfo *pinfo ;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	76 #define ParseARG_PDECL , struct parserinfo *pinfo
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	77 #define ParseARG_FETCH struct parserinfo *pinfo = yypParser->pinfo
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	78 #define ParseARG_STORE yypParser->pinfo = pinfo
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	79 #define YYNSTATE 36
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	80 #define YYNRULE 30
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	81 #define YY_NO_ACTION (YYNSTATE+YYNRULE+2)
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	82 #define YY_ACCEPT_ACTION (YYNSTATE+YYNRULE+1)
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	83 #define YY_ERROR_ACTION (YYNSTATE+YYNRULE)
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	84
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	85 /* The yyzerominor constant is used to initialize instances of
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	86 ** YYMINORTYPE objects to zero. */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	87 static const YYMINORTYPE yyzerominor = { 0 };
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	88
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	89 /* Define the yytestcase() macro to be a no-op if is not already defined
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	90 ** otherwise.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	91 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	92 ** Applications can choose to define yytestcase() in the %include section
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	93 ** to a macro that can assist in verifying code coverage. For production
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	94 ** code the yytestcase() macro should be turned off. But it is useful
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	95 ** for testing.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	96 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	97 #ifndef yytestcase
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	98 # define yytestcase(X)
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	99 #endif
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	100
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	101
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	102 /* Next are the tables used to determine what action to take based on the
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	103 ** current state and lookahead token. These tables are used to implement
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	104 ** functions that take a state number and lookahead value and return an
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	105 ** action integer.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	106 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	107 ** Suppose the action integer is N. Then the action is determined as
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	108 ** follows
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	109 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	110 ** 0 <= N < YYNSTATE Shift N. That is, push the lookahead
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	111 ** token onto the stack and goto state N.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	112 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	113 ** YYNSTATE <= N < YYNSTATE+YYNRULE Reduce by rule N-YYNSTATE.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	114 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	115 ** N == YYNSTATE+YYNRULE A syntax error has occurred.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	116 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	117 ** N == YYNSTATE+YYNRULE+1 The parser accepts its input.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	118 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	119 ** N == YYNSTATE+YYNRULE+2 No such action. Denotes unused
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	120 ** slots in the yy_action[] table.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	121 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	122 ** The action table is constructed as a single large table named yy_action[].
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	123 ** Given state S and lookahead X, the action is computed as
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	124 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	125 ** yy_action[ yy_shift_ofst[S] + X ]
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	126 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	127 ** If the index value yy_shift_ofst[S]+X is out of range or if the value
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	128 ** yy_lookahead[yy_shift_ofst[S]+X] is not equal to X or if yy_shift_ofst[S]
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	129 ** is equal to YY_SHIFT_USE_DFLT, it means that the action is not in the table
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	130 ** and that yy_default[S] should be used instead.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	131 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	132 ** The formula above is for computing the action when the lookahead is
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	133 ** a terminal symbol. If the lookahead is a non-terminal (as occurs after
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	134 ** a reduce action) then the yy_reduce_ofst[] array is used in place of
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	135 ** the yy_shift_ofst[] array and YY_REDUCE_USE_DFLT is used in place of
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	136 ** YY_SHIFT_USE_DFLT.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	137 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	138 ** The following are the tables generated in this section:
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	139 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	140 ** yy_action[] A single table containing all actions.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	141 ** yy_lookahead[] A table containing the lookahead for each entry in
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	142 ** yy_action. Used to detect hash collisions.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	143 ** yy_shift_ofst[] For each state, the offset into yy_action for
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	144 ** shifting terminals.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	145 ** yy_reduce_ofst[] For each state, the offset into yy_action for
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	146 ** shifting non-terminals after a reduce.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	147 ** yy_default[] Default action for each state.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	148 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	149 #define YY_ACTTAB_COUNT (44)
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	150 static const YYACTIONTYPE yy_action[] = {
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	151 /* 0 */ 36, 27, 26, 29, 24, 23, 22, 7, 3, 2,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	152 /* 10 */ 16, 9, 14, 35, 34, 33, 6, 8, 25, 18,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	153 /* 20 */ 16, 9, 14, 21, 10, 10, 32, 20, 20, 30,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	154 /* 30 */ 67, 1, 19, 28, 15, 5, 4, 68, 11, 68,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	155 /* 40 */ 17, 31, 13, 12,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	156 };
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	157 static const YYCODETYPE yy_lookahead[] = {
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	158 /* 0 */ 0, 2, 3, 16, 4, 5, 6, 7, 8, 9,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	159 /* 10 */ 10, 11, 12, 20, 21, 22, 23, 7, 25, 26,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	160 /* 20 */ 10, 11, 12, 6, 7, 7, 1, 10, 10, 1,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	161 /* 30 */ 18, 19, 10, 14, 10, 24, 27, 29, 13, 29,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	162 /* 40 */ 26, 28, 26, 15,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	163 };
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	164 #define YY_SHIFT_USE_DFLT (-14)
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	165 #define YY_SHIFT_COUNT (12)
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	166 #define YY_SHIFT_MIN (-13)
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	167 #define YY_SHIFT_MAX (28)
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	168 static const signed char yy_shift_ofst[] = {
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	169 /* 0 */ -14, 0, 10, 10, 28, 25, -1, 17, 18, 24,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	170 /* 10 */ 22, 19, -13,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	171 };
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	172 #define YY_REDUCE_USE_DFLT (-8)
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	173 #define YY_REDUCE_COUNT (6)
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	174 #define YY_REDUCE_MIN (-7)
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	175 #define YY_REDUCE_MAX (16)
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	176 static const signed char yy_reduce_ofst[] = {
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	177 /* 0 */ 12, -7, 16, 14, 13, 9, 11,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	178 };
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	179 static const YYACTIONTYPE yy_default[] = {
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	180 /* 0 */ 38, 66, 51, 50, 66, 66, 66, 55, 55, 58,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	181 /* 10 */ 57, 66, 66, 52, 61, 60, 54, 53, 49, 59,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	182 /* 20 */ 56, 48, 47, 46, 45, 43, 44, 42, 64, 65,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	183 /* 30 */ 63, 62, 41, 40, 39, 37,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	184 };
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	185
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	186 /* The next table maps tokens into fallback tokens. If a construct
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	187 ** like the following:
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	188 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	189 ** %fallback ID X Y Z.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	190 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	191 ** appears in the grammar, then ID becomes a fallback token for X, Y,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	192 ** and Z. Whenever one of the tokens X, Y, or Z is input to the parser
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	193 ** but it does not parse, the type of the token is changed to ID and
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	194 ** the parse is retried before an error is thrown.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	195 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	196 #ifdef YYFALLBACK
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	197 static const YYCODETYPE yyFallback[] = {
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	198 };
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	199 #endif /* YYFALLBACK */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	200
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	201 /* The following structure represents a single element of the
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	202 ** parser's stack. Information stored includes:
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	203 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	204 ** + The state number for the parser at this level of the stack.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	205 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	206 ** + The value of the token stored at this level of the stack.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	207 ** (In other words, the "major" token.)
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	208 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	209 ** + The semantic value stored at this level of the stack. This is
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	210 ** the information used by the action routines in the grammar.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	211 ** It is sometimes called the "minor" token.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	212 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	213 struct yyStackEntry {
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	214 YYACTIONTYPE stateno; /* The state-number */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	215 YYCODETYPE major; /* The major token value. This is the code
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	216 ** number for the token at this stack level */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	217 YYMINORTYPE minor; /* The user-supplied minor token value. This
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	218 ** is the value of the token */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	219 };
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	220 typedef struct yyStackEntry yyStackEntry;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	221
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	222 /* The state of the parser is completely contained in an instance of
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	223 ** the following structure */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	224 struct yyParser {
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	225 int yyidx; /* Index of top element in stack */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	226 #ifdef YYTRACKMAXSTACKDEPTH
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	227 int yyidxMax; /* Maximum value of yyidx */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	228 #endif
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	229 int yyerrcnt; /* Shifts left before out of the error */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	230 ParseARG_SDECL /* A place to hold %extra_argument */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	231 #if YYSTACKDEPTH<=0
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	232 int yystksz; /* Current side of the stack */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	233 yyStackEntry yystack; / The parser's stack */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	234 #else
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	235 yyStackEntry yystack[YYSTACKDEPTH]; /* The parser's stack */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	236 #endif
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	237 };
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	238 typedef struct yyParser yyParser;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	239
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	240 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	241 #include <stdio.h>
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	242 static FILE *yyTraceFILE = 0;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	243 static char *yyTracePrompt = 0;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	244 #endif /* NDEBUG */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	245
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	246 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	247 /*
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	248 ** Turn parser tracing on by giving a stream to which to write the trace
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	249 ** and a prompt to preface each trace message. Tracing is turned off
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	250 ** by making either argument NULL
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	251 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	252 ** Inputs:
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	253 ** <ul>
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	254 ** <li> A FILE* to which trace output should be written.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	255 ** If NULL, then tracing is turned off.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	256 ** <li> A prefix string written at the beginning of every
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	257 ** line of trace output. If NULL, then tracing is
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	258 ** turned off.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	259 ** </ul>
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	260 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	261 ** Outputs:
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	262 ** None.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	263 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	264 void ParseTrace(FILE TraceFILE, char zTracePrompt){
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	265 yyTraceFILE = TraceFILE;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	266 yyTracePrompt = zTracePrompt;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	267 if( yyTraceFILE==0 ) yyTracePrompt = 0;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	268 else if( yyTracePrompt==0 ) yyTraceFILE = 0;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	269 }
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	270 #endif /* NDEBUG */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	271
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	272 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	273 /* For tracing shifts, the names of all terminals and nonterminals
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	274 ** are required. The following table supplies these names */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	275 static const char *const yyTokenName[] = {
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	276 "$", "ENDS", "IDENTIFIER", "STAR",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	277 "KW_VOID", "KW_FLOAT", "KW_DOUBLE", "KW_LONG",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	278 "KW_UNSIGNED", "KW_SIGNED", "KW_INT", "KW_SHORT",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	279 "KW_CHAR", "OPAREN", "CPAREN", "OBRACE",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	280 "CBRACE", "error", "program", "rprogram",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	281 "globaldecl", "vardecl", "fundecl", "datatype",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	282 "ident", "typename", "baseint", "arglist",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	283 "statementblock",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	284 };
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	285 #endif /* NDEBUG */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	286
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	287 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	288 /* For tracing reduce actions, the names of all rules are required.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	289 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	290 static const char *const yyRuleName[] = {
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	291 /* 0 */ "program ::= rprogram",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	292 /* 1 */ "rprogram ::= rprogram globaldecl",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	293 /* 2 */ "rprogram ::=",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	294 /* 3 */ "globaldecl ::= vardecl",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	295 /* 4 */ "globaldecl ::= fundecl",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	296 /* 5 */ "vardecl ::= datatype ident ENDS",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	297 /* 6 */ "ident ::= IDENTIFIER",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	298 /* 7 */ "datatype ::= typename",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	299 /* 8 */ "datatype ::= datatype STAR",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	300 /* 9 */ "typename ::= KW_VOID",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	301 /* 10 */ "typename ::= KW_FLOAT",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	302 /* 11 */ "typename ::= KW_DOUBLE",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	303 /* 12 */ "typename ::= KW_LONG KW_DOUBLE",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	304 /* 13 */ "typename ::= baseint",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	305 /* 14 */ "typename ::= KW_UNSIGNED",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	306 /* 15 */ "typename ::= KW_SIGNED",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	307 /* 16 */ "typename ::= KW_SIGNED baseint",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	308 /* 17 */ "typename ::= KW_UNSIGNED baseint",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	309 /* 18 */ "baseint ::= KW_INT",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	310 /* 19 */ "baseint ::= KW_LONG",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	311 /* 20 */ "baseint ::= KW_LONG KW_INT",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	312 /* 21 */ "baseint ::= KW_LONG KW_LONG",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	313 /* 22 */ "baseint ::= KW_SHORT",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	314 /* 23 */ "baseint ::= KW_LONG KW_LONG KW_INT",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	315 /* 24 */ "baseint ::= KW_SHORT KW_INT",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	316 /* 25 */ "baseint ::= KW_CHAR",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	317 /* 26 */ "fundecl ::= datatype ident arglist statementblock",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	318 /* 27 */ "fundecl ::= datatype ident arglist ENDS",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	319 /* 28 */ "arglist ::= OPAREN CPAREN",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	320 /* 29 */ "statementblock ::= OBRACE CBRACE",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	321 };
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	322 #endif /* NDEBUG */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	323
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	324
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	325 #if YYSTACKDEPTH<=0
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	326 /*
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	327 ** Try to increase the size of the parser stack.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	328 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	329 static void yyGrowStack(yyParser *p){
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	330 int newSize;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	331 yyStackEntry *pNew;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	332
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	333 newSize = p->yystksz*2 + 100;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	334 pNew = realloc(p->yystack, newSize*sizeof(pNew[0]));
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	335 if( pNew ){
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	336 p->yystack = pNew;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	337 p->yystksz = newSize;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	338 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	339 if( yyTraceFILE ){
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	340 fprintf(yyTraceFILE,"%sStack grows to %d entries!\n",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	341 yyTracePrompt, p->yystksz);
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	342 }
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	343 #endif
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	344 }
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	345 }
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	346 #endif
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	347
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	348 /*
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	349 ** This function allocates a new parser.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	350 ** The only argument is a pointer to a function which works like
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	351 ** malloc.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	352 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	353 ** Inputs:
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	354 ** A pointer to the function used to allocate memory.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	355 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	356 ** Outputs:
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	357 ** A pointer to a parser. This pointer is used in subsequent calls
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	358 ** to Parse and ParseFree.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	359 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	360 void ParseAlloc(void (*mallocProc)(size_t)){
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	361 yyParser *pParser;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	362 pParser = (yyParser)(mallocProc)( (size_t)sizeof(yyParser) );
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	363 if( pParser ){
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	364 pParser->yyidx = -1;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	365 #ifdef YYTRACKMAXSTACKDEPTH
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	366 pParser->yyidxMax = 0;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	367 #endif
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	368 #if YYSTACKDEPTH<=0
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	369 pParser->yystack = NULL;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	370 pParser->yystksz = 0;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	371 yyGrowStack(pParser);
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	372 #endif
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	373 }
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	374 return pParser;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	375 }
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	376
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	377 /* The following function deletes the value associated with a
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	378 ** symbol. The symbol can be either a terminal or nonterminal.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	379 ** "yymajor" is the symbol code, and "yypminor" is a pointer to
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	380 ** the value.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	381 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	382 static void yy_destructor(
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	383 yyParser yypParser, / The parser */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	384 YYCODETYPE yymajor, /* Type code for object to destroy */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	385 YYMINORTYPE yypminor / The object to be destroyed */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	386 ){
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	387 ParseARG_FETCH;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	388 switch( yymajor ){
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	389 /* Here is inserted the actions which take place when a
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	390 ** terminal or non-terminal is destroyed. This can happen
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	391 ** when the symbol is popped from the stack during a
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	392 ** reduce or during error processing or when a parser is
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	393 ** being destroyed before it is finished parsing.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	394 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	395 ** Note: during a reduce, the only symbols destroyed are those
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	396 ** which appear on the RHS of the rule, but which are not used
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	397 ** inside the C code.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	398 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	399 /* TERMINAL Destructor */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	400 case 1: /* ENDS */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	401 case 2: /* IDENTIFIER */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	402 case 3: /* STAR */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	403 case 4: /* KW_VOID */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	404 case 5: /* KW_FLOAT */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	405 case 6: /* KW_DOUBLE */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	406 case 7: /* KW_LONG */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	407 case 8: /* KW_UNSIGNED */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	408 case 9: /* KW_SIGNED */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	409 case 10: /* KW_INT */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	410 case 11: /* KW_SHORT */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	411 case 12: /* KW_CHAR */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	412 case 13: /* OPAREN */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	413 case 14: /* CPAREN */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	414 case 15: /* OBRACE */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	415 case 16: /* CBRACE */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	416 {
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	417 #line 10 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	418 tokendata_free((yypminor->yy0));
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	419 #line 420 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	420 }
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	421 break;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	422 default: break; /* If no destructor action specified: do nothing */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	423 }
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	424 }
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	425
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	426 /*
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	427 ** Pop the parser's stack once.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	428 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	429 ** If there is a destructor routine associated with the token which
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	430 ** is popped from the stack, then call it.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	431 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	432 ** Return the major token number for the symbol popped.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	433 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	434 static int yy_pop_parser_stack(yyParser *pParser){
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	435 YYCODETYPE yymajor;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	436 yyStackEntry *yytos = &pParser->yystack[pParser->yyidx];
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	437
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	438 if( pParser->yyidx<0 ) return 0;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	439 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	440 if( yyTraceFILE && pParser->yyidx>=0 ){
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	441 fprintf(yyTraceFILE,"%sPopping %s\n",
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	442 yyTracePrompt,
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	443 yyTokenName[yytos->major]);
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	444 }
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	445 #endif
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	446 yymajor = yytos->major;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	447 yy_destructor(pParser, yymajor, &yytos->minor);
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	448 pParser->yyidx--;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	449 return yymajor;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	450 }
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	451
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	452 /*
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	453 ** Deallocate and destroy a parser. Destructors are all called for
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	454 ** all stack elements before shutting the parser down.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	455 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	456 ** Inputs:
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	457 ** <ul>
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	458 ** <li> A pointer to the parser. This should be a pointer
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	459 ** obtained from ParseAlloc.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	460 ** <li> A pointer to a function used to reclaim memory obtained
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	461 ** from malloc.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	462 ** </ul>
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	463 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	464 void ParseFree(
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	465 void p, / The parser to be deleted */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	466 void (freeProc)(void) /* Function used to reclaim memory */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	467 ){
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	468 yyParser pParser = (yyParser)p;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	469 if( pParser==0 ) return;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	470 while( pParser->yyidx>=0 ) yy_pop_parser_stack(pParser);
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	471 #if YYSTACKDEPTH<=0
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	472 free(pParser->yystack);
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	473 #endif
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	474 (freeProc)((void)pParser);
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	475 }
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	476
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	477 /*
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	478 ** Return the peak depth of the stack for a parser.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	479 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	480 #ifdef YYTRACKMAXSTACKDEPTH
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	481 int ParseStackPeak(void *p){
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	482 yyParser pParser = (yyParser)p;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	483 return pParser->yyidxMax;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	484 }
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	485 #endif
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	486
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	487 /*
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	488 ** Find the appropriate action for a parser given the terminal
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	489 ** look-ahead token iLookAhead.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	490 **
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	491 ** If the look-ahead token is YYNOCODE, then check to see if the action is
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	492 ** independent of the look-ahead. If it is, return the action, otherwise
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	493 ** return YY_NO_ACTION.
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	494 */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	495 static int yy_find_shift_action(
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	496 yyParser pParser, / The parser */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	497 YYCODETYPE iLookAhead /* The look-ahead token */
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	498 ){
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	499 int i;
a3e277c58df9 Checkpoint parser development for lwcc William Astle <lost@l-w.ca> parents: diff changeset	500 int stateno = pParser->yystack[pParser->yyidx].stateno;

314

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1 /* Driver template for the LEMON parser generator.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

2 ** The author disclaims copyright to this source code.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

3 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

4 /* First off, code is included that follows the "include" declaration

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

5 ** in the input grammar file. */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

6 #include <stdio.h>

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

7 #line 1 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

8

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

9 #include <assert.h> // only needed due to a bug in lemon

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

10 #include <stdio.h>

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

11 #include "parse.h"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

12 #include "tree.h"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

13 #line 14 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

14 /* Next is all token values, in a form suitable for use by makeheaders.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

15 ** This section will be null unless lemon is run with the -m switch.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

16 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

17 /*

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

18 ** These constants (all generated automatically by the parser generator)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

19 ** specify the various kinds of tokens (terminals) that the parser

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

20 ** understands.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

21 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

22 ** Each symbol here is a terminal symbol in the grammar.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

23 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

24 /* Make sure the INTERFACE macro is defined.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

25 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

26 #ifndef INTERFACE

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

27 # define INTERFACE 1

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

28 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

29 /* The next thing included is series of defines which control

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

30 ** various aspects of the generated parser.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

31 ** YYCODETYPE is the data type used for storing terminal

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

32 ** and nonterminal numbers. "unsigned char" is

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

33 ** used if there are fewer than 250 terminals

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

34 ** and nonterminals. "int" is used otherwise.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

35 ** YYNOCODE is a number of type YYCODETYPE which corresponds

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

36 ** to no legal terminal or nonterminal number. This

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

37 ** number is used to fill in empty slots of the hash

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

38 ** table.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

39 ** YYFALLBACK If defined, this indicates that one or more tokens

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

40 ** have fall-back values which should be used if the

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

41 ** original value of the token will not parse.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

42 ** YYACTIONTYPE is the data type used for storing terminal

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

43 ** and nonterminal numbers. "unsigned char" is

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

44 ** used if there are fewer than 250 rules and

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

45 ** states combined. "int" is used otherwise.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

46 ** ParseTOKENTYPE is the data type used for minor tokens given

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

47 ** directly to the parser from the tokenizer.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

48 ** YYMINORTYPE is the data type used for all minor tokens.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

49 ** This is typically a union of many types, one of

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

50 ** which is ParseTOKENTYPE. The entry in the union

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

51 ** for base tokens is called "yy0".

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

52 ** YYSTACKDEPTH is the maximum depth of the parser's stack. If

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

53 ** zero the stack is dynamically sized using realloc()

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

54 ** ParseARG_SDECL A static variable declaration for the %extra_argument

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

55 ** ParseARG_PDECL A parameter declaration for the %extra_argument

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

56 ** ParseARG_STORE Code to store %extra_argument into yypParser

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

57 ** ParseARG_FETCH Code to extract %extra_argument from yypParser

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

58 ** YYNSTATE the combined number of states.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

59 ** YYNRULE the number of rules in the grammar

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

60 ** YYERRORSYMBOL is the code number of the error symbol. If not

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

61 ** defined, then do no error processing.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

62 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

63 #define YYCODETYPE unsigned char

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

64 #define YYNOCODE 30

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

65 #define YYACTIONTYPE unsigned char

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

66 #define ParseTOKENTYPE struct tokendata *

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

67 typedef union {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

68 int yyinit;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

69 ParseTOKENTYPE yy0;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

70 node_t * yy18;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

71 } YYMINORTYPE;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

72 #ifndef YYSTACKDEPTH

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

73 #define YYSTACKDEPTH 100

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

74 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

75 #define ParseARG_SDECL struct parserinfo *pinfo ;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

76 #define ParseARG_PDECL , struct parserinfo *pinfo

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

77 #define ParseARG_FETCH struct parserinfo *pinfo = yypParser->pinfo

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

78 #define ParseARG_STORE yypParser->pinfo = pinfo

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

79 #define YYNSTATE 36

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

80 #define YYNRULE 30

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

81 #define YY_NO_ACTION (YYNSTATE+YYNRULE+2)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

82 #define YY_ACCEPT_ACTION (YYNSTATE+YYNRULE+1)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

83 #define YY_ERROR_ACTION (YYNSTATE+YYNRULE)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

84

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

85 /* The yyzerominor constant is used to initialize instances of

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

86 ** YYMINORTYPE objects to zero. */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

87 static const YYMINORTYPE yyzerominor = { 0 };

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

88

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

89 /* Define the yytestcase() macro to be a no-op if is not already defined

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

90 ** otherwise.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

91 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

92 ** Applications can choose to define yytestcase() in the %include section

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

93 ** to a macro that can assist in verifying code coverage. For production

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

94 ** code the yytestcase() macro should be turned off. But it is useful

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

95 ** for testing.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

96 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

97 #ifndef yytestcase

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

98 # define yytestcase(X)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

99 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

100

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

101

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

102 /* Next are the tables used to determine what action to take based on the

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

103 ** current state and lookahead token. These tables are used to implement

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

104 ** functions that take a state number and lookahead value and return an

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

105 ** action integer.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

106 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

107 ** Suppose the action integer is N. Then the action is determined as

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

108 ** follows

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

109 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

110 ** 0 <= N < YYNSTATE Shift N. That is, push the lookahead

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

111 ** token onto the stack and goto state N.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

112 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

113 ** YYNSTATE <= N < YYNSTATE+YYNRULE Reduce by rule N-YYNSTATE.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

114 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

115 ** N == YYNSTATE+YYNRULE A syntax error has occurred.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

116 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

117 ** N == YYNSTATE+YYNRULE+1 The parser accepts its input.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

118 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

119 ** N == YYNSTATE+YYNRULE+2 No such action. Denotes unused

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

120 ** slots in the yy_action[] table.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

121 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

122 ** The action table is constructed as a single large table named yy_action[].

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

123 ** Given state S and lookahead X, the action is computed as

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

124 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

125 ** yy_action[ yy_shift_ofst[S] + X ]

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

126 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

127 ** If the index value yy_shift_ofst[S]+X is out of range or if the value

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

128 ** yy_lookahead[yy_shift_ofst[S]+X] is not equal to X or if yy_shift_ofst[S]

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

129 ** is equal to YY_SHIFT_USE_DFLT, it means that the action is not in the table

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

130 ** and that yy_default[S] should be used instead.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

131 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

132 ** The formula above is for computing the action when the lookahead is

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

133 ** a terminal symbol. If the lookahead is a non-terminal (as occurs after

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

134 ** a reduce action) then the yy_reduce_ofst[] array is used in place of

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

135 ** the yy_shift_ofst[] array and YY_REDUCE_USE_DFLT is used in place of

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

136 ** YY_SHIFT_USE_DFLT.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

137 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

138 ** The following are the tables generated in this section:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

139 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

140 ** yy_action[] A single table containing all actions.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

141 ** yy_lookahead[] A table containing the lookahead for each entry in

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

142 ** yy_action. Used to detect hash collisions.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

143 ** yy_shift_ofst[] For each state, the offset into yy_action for

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

144 ** shifting terminals.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

145 ** yy_reduce_ofst[] For each state, the offset into yy_action for

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

146 ** shifting non-terminals after a reduce.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

147 ** yy_default[] Default action for each state.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

148 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

149 #define YY_ACTTAB_COUNT (44)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

150 static const YYACTIONTYPE yy_action[] = {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

151 /* 0 */ 36, 27, 26, 29, 24, 23, 22, 7, 3, 2,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

152 /* 10 */ 16, 9, 14, 35, 34, 33, 6, 8, 25, 18,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

153 /* 20 */ 16, 9, 14, 21, 10, 10, 32, 20, 20, 30,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

154 /* 30 */ 67, 1, 19, 28, 15, 5, 4, 68, 11, 68,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

155 /* 40 */ 17, 31, 13, 12,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

156 };

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

157 static const YYCODETYPE yy_lookahead[] = {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

158 /* 0 */ 0, 2, 3, 16, 4, 5, 6, 7, 8, 9,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

159 /* 10 */ 10, 11, 12, 20, 21, 22, 23, 7, 25, 26,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

160 /* 20 */ 10, 11, 12, 6, 7, 7, 1, 10, 10, 1,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

161 /* 30 */ 18, 19, 10, 14, 10, 24, 27, 29, 13, 29,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

162 /* 40 */ 26, 28, 26, 15,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

163 };

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

164 #define YY_SHIFT_USE_DFLT (-14)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

165 #define YY_SHIFT_COUNT (12)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

166 #define YY_SHIFT_MIN (-13)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

167 #define YY_SHIFT_MAX (28)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

168 static const signed char yy_shift_ofst[] = {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

169 /* 0 */ -14, 0, 10, 10, 28, 25, -1, 17, 18, 24,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

170 /* 10 */ 22, 19, -13,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

171 };

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

172 #define YY_REDUCE_USE_DFLT (-8)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

173 #define YY_REDUCE_COUNT (6)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

174 #define YY_REDUCE_MIN (-7)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

175 #define YY_REDUCE_MAX (16)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

176 static const signed char yy_reduce_ofst[] = {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

177 /* 0 */ 12, -7, 16, 14, 13, 9, 11,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

178 };

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

179 static const YYACTIONTYPE yy_default[] = {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

180 /* 0 */ 38, 66, 51, 50, 66, 66, 66, 55, 55, 58,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

181 /* 10 */ 57, 66, 66, 52, 61, 60, 54, 53, 49, 59,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

182 /* 20 */ 56, 48, 47, 46, 45, 43, 44, 42, 64, 65,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

183 /* 30 */ 63, 62, 41, 40, 39, 37,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

184 };

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

185

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

186 /* The next table maps tokens into fallback tokens. If a construct

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

187 ** like the following:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

188 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

189 ** %fallback ID X Y Z.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

190 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

191 ** appears in the grammar, then ID becomes a fallback token for X, Y,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

192 ** and Z. Whenever one of the tokens X, Y, or Z is input to the parser

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

193 ** but it does not parse, the type of the token is changed to ID and

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

194 ** the parse is retried before an error is thrown.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

195 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

196 #ifdef YYFALLBACK

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

197 static const YYCODETYPE yyFallback[] = {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

198 };

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

199 #endif /* YYFALLBACK */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

200

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

201 /* The following structure represents a single element of the

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

202 ** parser's stack. Information stored includes:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

203 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

204 ** + The state number for the parser at this level of the stack.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

205 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

206 ** + The value of the token stored at this level of the stack.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

207 ** (In other words, the "major" token.)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

208 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

209 ** + The semantic value stored at this level of the stack. This is

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

210 ** the information used by the action routines in the grammar.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

211 ** It is sometimes called the "minor" token.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

212 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

213 struct yyStackEntry {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

214 YYACTIONTYPE stateno; /* The state-number */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

215 YYCODETYPE major; /* The major token value. This is the code

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

216 ** number for the token at this stack level */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

217 YYMINORTYPE minor; /* The user-supplied minor token value. This

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

218 ** is the value of the token */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

219 };

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

220 typedef struct yyStackEntry yyStackEntry;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

221

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

222 /* The state of the parser is completely contained in an instance of

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

223 ** the following structure */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

224 struct yyParser {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

225 int yyidx; /* Index of top element in stack */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

226 #ifdef YYTRACKMAXSTACKDEPTH

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

227 int yyidxMax; /* Maximum value of yyidx */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

228 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

229 int yyerrcnt; /* Shifts left before out of the error */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

230 ParseARG_SDECL /* A place to hold %extra_argument */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

231 #if YYSTACKDEPTH<=0

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

232 int yystksz; /* Current side of the stack */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

233 yyStackEntry *yystack; /* The parser's stack */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

234 #else

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

235 yyStackEntry yystack[YYSTACKDEPTH]; /* The parser's stack */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

236 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

237 };

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

238 typedef struct yyParser yyParser;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

239

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

240 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

241 #include <stdio.h>

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

242 static FILE *yyTraceFILE = 0;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

243 static char *yyTracePrompt = 0;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

244 #endif /* NDEBUG */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

245

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

246 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

247 /*

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

248 ** Turn parser tracing on by giving a stream to which to write the trace

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

249 ** and a prompt to preface each trace message. Tracing is turned off

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

250 ** by making either argument NULL

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

251 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

252 ** Inputs:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

253 ** <ul>

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

254 ** <li> A FILE* to which trace output should be written.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

255 ** If NULL, then tracing is turned off.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

256 ** <li> A prefix string written at the beginning of every

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

257 ** line of trace output. If NULL, then tracing is

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

258 ** turned off.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

259 ** </ul>

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

260 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

261 ** Outputs:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

262 ** None.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

263 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

264 void ParseTrace(FILE *TraceFILE, char *zTracePrompt){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

265 yyTraceFILE = TraceFILE;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

266 yyTracePrompt = zTracePrompt;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

267 if( yyTraceFILE==0 ) yyTracePrompt = 0;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

268 else if( yyTracePrompt==0 ) yyTraceFILE = 0;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

269 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

270 #endif /* NDEBUG */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

271

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

272 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

273 /* For tracing shifts, the names of all terminals and nonterminals

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

274 ** are required. The following table supplies these names */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

275 static const char *const yyTokenName[] = {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

276 "$", "ENDS", "IDENTIFIER", "STAR",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

277 "KW_VOID", "KW_FLOAT", "KW_DOUBLE", "KW_LONG",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

278 "KW_UNSIGNED", "KW_SIGNED", "KW_INT", "KW_SHORT",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

279 "KW_CHAR", "OPAREN", "CPAREN", "OBRACE",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

280 "CBRACE", "error", "program", "rprogram",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

281 "globaldecl", "vardecl", "fundecl", "datatype",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

282 "ident", "typename", "baseint", "arglist",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

283 "statementblock",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

284 };

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

285 #endif /* NDEBUG */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

286

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

287 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

288 /* For tracing reduce actions, the names of all rules are required.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

289 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

290 static const char *const yyRuleName[] = {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

291 /* 0 */ "program ::= rprogram",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

292 /* 1 */ "rprogram ::= rprogram globaldecl",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

293 /* 2 */ "rprogram ::=",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

294 /* 3 */ "globaldecl ::= vardecl",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

295 /* 4 */ "globaldecl ::= fundecl",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

296 /* 5 */ "vardecl ::= datatype ident ENDS",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

297 /* 6 */ "ident ::= IDENTIFIER",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

298 /* 7 */ "datatype ::= typename",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

299 /* 8 */ "datatype ::= datatype STAR",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

300 /* 9 */ "typename ::= KW_VOID",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

301 /* 10 */ "typename ::= KW_FLOAT",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

302 /* 11 */ "typename ::= KW_DOUBLE",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

303 /* 12 */ "typename ::= KW_LONG KW_DOUBLE",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

304 /* 13 */ "typename ::= baseint",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

305 /* 14 */ "typename ::= KW_UNSIGNED",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

306 /* 15 */ "typename ::= KW_SIGNED",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

307 /* 16 */ "typename ::= KW_SIGNED baseint",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

308 /* 17 */ "typename ::= KW_UNSIGNED baseint",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

309 /* 18 */ "baseint ::= KW_INT",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

310 /* 19 */ "baseint ::= KW_LONG",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

311 /* 20 */ "baseint ::= KW_LONG KW_INT",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

312 /* 21 */ "baseint ::= KW_LONG KW_LONG",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

313 /* 22 */ "baseint ::= KW_SHORT",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

314 /* 23 */ "baseint ::= KW_LONG KW_LONG KW_INT",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

315 /* 24 */ "baseint ::= KW_SHORT KW_INT",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

316 /* 25 */ "baseint ::= KW_CHAR",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

317 /* 26 */ "fundecl ::= datatype ident arglist statementblock",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

318 /* 27 */ "fundecl ::= datatype ident arglist ENDS",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

319 /* 28 */ "arglist ::= OPAREN CPAREN",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

320 /* 29 */ "statementblock ::= OBRACE CBRACE",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

321 };

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

322 #endif /* NDEBUG */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

323

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

324

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

325 #if YYSTACKDEPTH<=0

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

326 /*

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

327 ** Try to increase the size of the parser stack.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

328 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

329 static void yyGrowStack(yyParser *p){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

330 int newSize;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

331 yyStackEntry *pNew;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

332

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

333 newSize = p->yystksz*2 + 100;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

334 pNew = realloc(p->yystack, newSize*sizeof(pNew[0]));

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

335 if( pNew ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

336 p->yystack = pNew;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

337 p->yystksz = newSize;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

338 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

339 if( yyTraceFILE ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

340 fprintf(yyTraceFILE,"%sStack grows to %d entries!\n",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

341 yyTracePrompt, p->yystksz);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

342 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

343 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

344 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

345 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

346 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

347

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

348 /*

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

349 ** This function allocates a new parser.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

350 ** The only argument is a pointer to a function which works like

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

351 ** malloc.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

352 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

353 ** Inputs:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

354 ** A pointer to the function used to allocate memory.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

355 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

356 ** Outputs:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

357 ** A pointer to a parser. This pointer is used in subsequent calls

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

358 ** to Parse and ParseFree.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

359 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

360 void *ParseAlloc(void *(*mallocProc)(size_t)){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

361 yyParser *pParser;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

362 pParser = (yyParser*)(*mallocProc)( (size_t)sizeof(yyParser) );

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

363 if( pParser ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

364 pParser->yyidx = -1;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

365 #ifdef YYTRACKMAXSTACKDEPTH

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

366 pParser->yyidxMax = 0;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

367 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

368 #if YYSTACKDEPTH<=0

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

369 pParser->yystack = NULL;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

370 pParser->yystksz = 0;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

371 yyGrowStack(pParser);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

372 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

373 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

374 return pParser;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

375 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

376

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

377 /* The following function deletes the value associated with a

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

378 ** symbol. The symbol can be either a terminal or nonterminal.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

379 ** "yymajor" is the symbol code, and "yypminor" is a pointer to

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

380 ** the value.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

381 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

382 static void yy_destructor(

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

383 yyParser *yypParser, /* The parser */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

384 YYCODETYPE yymajor, /* Type code for object to destroy */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

385 YYMINORTYPE *yypminor /* The object to be destroyed */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

386 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

387 ParseARG_FETCH;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

388 switch( yymajor ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

389 /* Here is inserted the actions which take place when a

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

390 ** terminal or non-terminal is destroyed. This can happen

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

391 ** when the symbol is popped from the stack during a

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

392 ** reduce or during error processing or when a parser is

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

393 ** being destroyed before it is finished parsing.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

394 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

395 ** Note: during a reduce, the only symbols destroyed are those

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

396 ** which appear on the RHS of the rule, but which are not used

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

397 ** inside the C code.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

398 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

399 /* TERMINAL Destructor */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

400 case 1: /* ENDS */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

401 case 2: /* IDENTIFIER */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

402 case 3: /* STAR */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

403 case 4: /* KW_VOID */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

404 case 5: /* KW_FLOAT */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

405 case 6: /* KW_DOUBLE */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

406 case 7: /* KW_LONG */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

407 case 8: /* KW_UNSIGNED */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

408 case 9: /* KW_SIGNED */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

409 case 10: /* KW_INT */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

410 case 11: /* KW_SHORT */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

411 case 12: /* KW_CHAR */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

412 case 13: /* OPAREN */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

413 case 14: /* CPAREN */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

414 case 15: /* OBRACE */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

415 case 16: /* CBRACE */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

416 {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

417 #line 10 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

418 tokendata_free((yypminor->yy0));

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

419 #line 420 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

420 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

421 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

422 default: break; /* If no destructor action specified: do nothing */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

423 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

424 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

425

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

426 /*

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

427 ** Pop the parser's stack once.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

428 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

429 ** If there is a destructor routine associated with the token which

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

430 ** is popped from the stack, then call it.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

431 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

432 ** Return the major token number for the symbol popped.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

433 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

434 static int yy_pop_parser_stack(yyParser *pParser){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

435 YYCODETYPE yymajor;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

436 yyStackEntry *yytos = &pParser->yystack[pParser->yyidx];

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

437

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

438 if( pParser->yyidx<0 ) return 0;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

439 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

440 if( yyTraceFILE && pParser->yyidx>=0 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

441 fprintf(yyTraceFILE,"%sPopping %s\n",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

442 yyTracePrompt,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

443 yyTokenName[yytos->major]);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

444 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

445 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

446 yymajor = yytos->major;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

447 yy_destructor(pParser, yymajor, &yytos->minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

448 pParser->yyidx--;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

449 return yymajor;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

450 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

451

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

452 /*

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

453 ** Deallocate and destroy a parser. Destructors are all called for

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

454 ** all stack elements before shutting the parser down.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

455 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

456 ** Inputs:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

457 ** <ul>

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

458 ** <li> A pointer to the parser. This should be a pointer

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

459 ** obtained from ParseAlloc.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

460 ** <li> A pointer to a function used to reclaim memory obtained

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

461 ** from malloc.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

462 ** </ul>

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

463 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

464 void ParseFree(

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

465 void *p, /* The parser to be deleted */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

466 void (*freeProc)(void*) /* Function used to reclaim memory */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

467 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

468 yyParser *pParser = (yyParser*)p;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

469 if( pParser==0 ) return;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

470 while( pParser->yyidx>=0 ) yy_pop_parser_stack(pParser);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

471 #if YYSTACKDEPTH<=0

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

472 free(pParser->yystack);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

473 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

474 (*freeProc)((void*)pParser);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

475 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

476

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

477 /*

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

478 ** Return the peak depth of the stack for a parser.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

479 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

480 #ifdef YYTRACKMAXSTACKDEPTH

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

481 int ParseStackPeak(void *p){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

482 yyParser *pParser = (yyParser*)p;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

483 return pParser->yyidxMax;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

484 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

485 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

486

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

487 /*

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

488 ** Find the appropriate action for a parser given the terminal

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

489 ** look-ahead token iLookAhead.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

490 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

491 ** If the look-ahead token is YYNOCODE, then check to see if the action is

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

492 ** independent of the look-ahead. If it is, return the action, otherwise

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

493 ** return YY_NO_ACTION.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

494 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

495 static int yy_find_shift_action(

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

496 yyParser *pParser, /* The parser */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

497 YYCODETYPE iLookAhead /* The look-ahead token */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

498 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

499 int i;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

500 int stateno = pParser->yystack[pParser->yyidx].stateno;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

501

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

502 if( stateno>YY_SHIFT_COUNT

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

503 || (i = yy_shift_ofst[stateno])==YY_SHIFT_USE_DFLT ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

504 return yy_default[stateno];

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

505 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

506 assert( iLookAhead!=YYNOCODE );

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

507 i += iLookAhead;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

508 if( i<0 || i>=YY_ACTTAB_COUNT || yy_lookahead[i]!=iLookAhead ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

509 if( iLookAhead>0 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

510 #ifdef YYFALLBACK

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

511 YYCODETYPE iFallback; /* Fallback token */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

512 if( iLookAhead<sizeof(yyFallback)/sizeof(yyFallback[0])

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

513 && (iFallback = yyFallback[iLookAhead])!=0 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

514 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

515 if( yyTraceFILE ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

516 fprintf(yyTraceFILE, "%sFALLBACK %s => %s\n",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

517 yyTracePrompt, yyTokenName[iLookAhead], yyTokenName[iFallback]);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

518 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

519 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

520 return yy_find_shift_action(pParser, iFallback);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

521 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

522 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

523 #ifdef YYWILDCARD

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

524 {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

525 int j = i - iLookAhead + YYWILDCARD;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

526 if(

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

527 #if YY_SHIFT_MIN+YYWILDCARD<0

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

528 j>=0 &&

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

529 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

530 #if YY_SHIFT_MAX+YYWILDCARD>=YY_ACTTAB_COUNT

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

531 j<YY_ACTTAB_COUNT &&

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

532 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

533 yy_lookahead[j]==YYWILDCARD

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

534 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

535 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

536 if( yyTraceFILE ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

537 fprintf(yyTraceFILE, "%sWILDCARD %s => %s\n",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

538 yyTracePrompt, yyTokenName[iLookAhead], yyTokenName[YYWILDCARD]);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

539 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

540 #endif /* NDEBUG */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

541 return yy_action[j];

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

542 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

543 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

544 #endif /* YYWILDCARD */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

545 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

546 return yy_default[stateno];

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

547 }else{

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

548 return yy_action[i];

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

549 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

550 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

551

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

552 /*

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

553 ** Find the appropriate action for a parser given the non-terminal

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

554 ** look-ahead token iLookAhead.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

555 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

556 ** If the look-ahead token is YYNOCODE, then check to see if the action is

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

557 ** independent of the look-ahead. If it is, return the action, otherwise

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

558 ** return YY_NO_ACTION.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

559 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

560 static int yy_find_reduce_action(

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

561 int stateno, /* Current state number */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

562 YYCODETYPE iLookAhead /* The look-ahead token */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

563 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

564 int i;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

565 #ifdef YYERRORSYMBOL

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

566 if( stateno>YY_REDUCE_COUNT ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

567 return yy_default[stateno];

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

568 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

569 #else

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

570 assert( stateno<=YY_REDUCE_COUNT );

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

571 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

572 i = yy_reduce_ofst[stateno];

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

573 assert( i!=YY_REDUCE_USE_DFLT );

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

574 assert( iLookAhead!=YYNOCODE );

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

575 i += iLookAhead;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

576 #ifdef YYERRORSYMBOL

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

577 if( i<0 || i>=YY_ACTTAB_COUNT || yy_lookahead[i]!=iLookAhead ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

578 return yy_default[stateno];

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

579 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

580 #else

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

581 assert( i>=0 && i<YY_ACTTAB_COUNT );

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

582 assert( yy_lookahead[i]==iLookAhead );

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

583 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

584 return yy_action[i];

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

585 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

586

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

587 /*

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

588 ** The following routine is called if the stack overflows.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

589 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

590 static void yyStackOverflow(yyParser *yypParser, YYMINORTYPE *yypMinor){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

591 ParseARG_FETCH;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

592 yypParser->yyidx--;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

593 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

594 if( yyTraceFILE ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

595 fprintf(yyTraceFILE,"%sStack Overflow!\n",yyTracePrompt);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

596 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

597 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

598 while( yypParser->yyidx>=0 ) yy_pop_parser_stack(yypParser);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

599 /* Here code is inserted which will execute if the parser

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

600 ** stack every overflows */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

601 #line 90 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

602

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

603 fprintf(stderr, "Parser stack overflow\n");

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

604 #line 605 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

605 ParseARG_STORE; /* Suppress warning about unused %extra_argument var */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

606 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

607

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

608 /*

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

609 ** Perform a shift action.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

610 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

611 static void yy_shift(

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

612 yyParser *yypParser, /* The parser to be shifted */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

613 int yyNewState, /* The new state to shift in */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

614 int yyMajor, /* The major token to shift in */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

615 YYMINORTYPE *yypMinor /* Pointer to the minor token to shift in */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

616 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

617 yyStackEntry *yytos;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

618 yypParser->yyidx++;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

619 #ifdef YYTRACKMAXSTACKDEPTH

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

620 if( yypParser->yyidx>yypParser->yyidxMax ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

621 yypParser->yyidxMax = yypParser->yyidx;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

622 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

623 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

624 #if YYSTACKDEPTH>0

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

625 if( yypParser->yyidx>=YYSTACKDEPTH ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

626 yyStackOverflow(yypParser, yypMinor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

627 return;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

628 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

629 #else

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

630 if( yypParser->yyidx>=yypParser->yystksz ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

631 yyGrowStack(yypParser);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

632 if( yypParser->yyidx>=yypParser->yystksz ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

633 yyStackOverflow(yypParser, yypMinor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

634 return;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

635 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

636 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

637 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

638 yytos = &yypParser->yystack[yypParser->yyidx];

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

639 yytos->stateno = (YYACTIONTYPE)yyNewState;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

640 yytos->major = (YYCODETYPE)yyMajor;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

641 yytos->minor = *yypMinor;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

642 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

643 if( yyTraceFILE && yypParser->yyidx>0 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

644 int i;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

645 fprintf(yyTraceFILE,"%sShift %d\n",yyTracePrompt,yyNewState);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

646 fprintf(yyTraceFILE,"%sStack:",yyTracePrompt);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

647 for(i=1; i<=yypParser->yyidx; i++)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

648 fprintf(yyTraceFILE," %s",yyTokenName[yypParser->yystack[i].major]);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

649 fprintf(yyTraceFILE,"\n");

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

650 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

651 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

652 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

653

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

654 /* The following table contains information about every rule that

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

655 ** is used during the reduce.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

656 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

657 static const struct {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

658 YYCODETYPE lhs; /* Symbol on the left-hand side of the rule */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

659 unsigned char nrhs; /* Number of right-hand side symbols in the rule */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

660 } yyRuleInfo[] = {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

661 { 18, 1 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

662 { 19, 2 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

663 { 19, 0 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

664 { 20, 1 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

665 { 20, 1 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

666 { 21, 3 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

667 { 24, 1 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

668 { 23, 1 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

669 { 23, 2 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

670 { 25, 1 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

671 { 25, 1 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

672 { 25, 1 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

673 { 25, 2 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

674 { 25, 1 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

675 { 25, 1 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

676 { 25, 1 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

677 { 25, 2 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

678 { 25, 2 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

679 { 26, 1 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

680 { 26, 1 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

681 { 26, 2 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

682 { 26, 2 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

683 { 26, 1 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

684 { 26, 3 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

685 { 26, 2 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

686 { 26, 1 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

687 { 22, 4 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

688 { 22, 4 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

689 { 27, 2 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

690 { 28, 2 },

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

691 };

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

692

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

693 static void yy_accept(yyParser*); /* Forward Declaration */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

694

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

695 /*

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

696 ** Perform a reduce action and the shift that must immediately

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

697 ** follow the reduce.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

698 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

699 static void yy_reduce(

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

700 yyParser *yypParser, /* The parser */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

701 int yyruleno /* Number of the rule by which to reduce */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

702 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

703 int yygoto; /* The next state */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

704 int yyact; /* The next action */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

705 YYMINORTYPE yygotominor; /* The LHS of the rule reduced */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

706 yyStackEntry *yymsp; /* The top of the parser's stack */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

707 int yysize; /* Amount to pop the stack */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

708 ParseARG_FETCH;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

709 yymsp = &yypParser->yystack[yypParser->yyidx];

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

710 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

711 if( yyTraceFILE && yyruleno>=0

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

712 && yyruleno<(int)(sizeof(yyRuleName)/sizeof(yyRuleName[0])) ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

713 fprintf(yyTraceFILE, "%sReduce [%s].\n", yyTracePrompt,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

714 yyRuleName[yyruleno]);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

715 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

716 #endif /* NDEBUG */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

717

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

718 /* Silence complaints from purify about yygotominor being uninitialized

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

719 ** in some cases when it is copied into the stack after the following

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

720 ** switch. yygotominor is uninitialized when a rule reduces that does

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

721 ** not set the value of its left-hand side nonterminal. Leaving the

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

722 ** value of the nonterminal uninitialized is utterly harmless as long

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

723 ** as the value is never used. So really the only thing this code

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

724 ** accomplishes is to quieten purify.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

725 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

726 ** 2007-01-16: The wireshark project (www.wireshark.org) reports that

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

727 ** without this code, their parser segfaults. I'm not sure what there

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

728 ** parser is doing to make this happen. This is the second bug report

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

729 ** from wireshark this week. Clearly they are stressing Lemon in ways

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

730 ** that it has not been previously stressed... (SQLite ticket #2172)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

731 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

732 /*memset(&yygotominor, 0, sizeof(yygotominor));*/

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

733 yygotominor = yyzerominor;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

734

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

735

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

736 switch( yyruleno ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

737 /* Beginning here are the reduction cases. A typical example

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

738 ** follows:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

739 ** case 0:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

740 ** #line <lineno> <grammarfile>

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

741 ** { ... } // User supplied code

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

742 ** #line <lineno> <thisfile>

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

743 ** break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

744 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

745 case 0: /* program ::= rprogram */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

746 #line 14 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

747 { yygotominor.yy18 = yymsp[0].minor.yy18; pinfo -> parsetree = yygotominor.yy18; }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

748 #line 749 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

749 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

750 case 1: /* rprogram ::= rprogram globaldecl */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

751 #line 16 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

752 {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

753 yygotominor.yy18 = yymsp[-1].minor.yy18;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

754 node_addchild(yygotominor.yy18, yymsp[0].minor.yy18);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

755 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

756 #line 757 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

757 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

758 case 2: /* rprogram ::= */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

759 #line 20 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

760 { yygotominor.yy18 = node_create(NODE_PROGRAM); }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

761 #line 762 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

762 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

763 case 3: /* globaldecl ::= vardecl */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

764 case 4: /* globaldecl ::= fundecl */ yytestcase(yyruleno==4);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

765 case 7: /* datatype ::= typename */ yytestcase(yyruleno==7);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

766 case 13: /* typename ::= baseint */ yytestcase(yyruleno==13);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

767 #line 22 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

768 { yygotominor.yy18 = yymsp[0].minor.yy18; }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

769 #line 770 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

770 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

771 case 5: /* vardecl ::= datatype ident ENDS */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

772 #line 25 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

773 {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

774 yygotominor.yy18 = node_create(NODE_DECL, yymsp[-2].minor.yy18, yymsp[-1].minor.yy18);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

775 yy_destructor(yypParser,1,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

776 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

777 #line 778 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

778 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

779 case 6: /* ident ::= IDENTIFIER */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

780 #line 29 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

781 { yygotominor.yy18 = node_create(NODE_IDENT, yymsp[0].minor.yy0 -> strval); }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

782 #line 783 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

783 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

784 case 8: /* datatype ::= datatype STAR */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

785 #line 32 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

786 { yygotominor.yy18 = node_create(NODE_TYPE_PTR, yymsp[-1].minor.yy18); yy_destructor(yypParser,3,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

787 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

788 #line 789 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

789 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

790 case 9: /* typename ::= KW_VOID */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

791 #line 34 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

792 { yygotominor.yy18 = node_create(NODE_TYPE_VOID); yy_destructor(yypParser,4,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

793 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

794 #line 795 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

795 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

796 case 10: /* typename ::= KW_FLOAT */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

797 #line 35 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

798 { yygotominor.yy18 = node_create(NODE_TYPE_FLOAT); yy_destructor(yypParser,5,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

799 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

800 #line 801 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

801 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

802 case 11: /* typename ::= KW_DOUBLE */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

803 #line 36 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

804 { yygotominor.yy18 = node_create(NODE_TYPE_DOUBLE); yy_destructor(yypParser,6,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

805 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

806 #line 807 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

807 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

808 case 12: /* typename ::= KW_LONG KW_DOUBLE */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

809 #line 37 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

810 { yygotominor.yy18 = node_create(NODE_TYPE_LDOUBLE); yy_destructor(yypParser,7,&yymsp[-1].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

811 yy_destructor(yypParser,6,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

812 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

813 #line 814 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

814 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

815 case 14: /* typename ::= KW_UNSIGNED */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

816 #line 39 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

817 { yygotominor.yy18 = node_create(NODE_TYPE_UINT); yy_destructor(yypParser,8,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

818 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

819 #line 820 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

820 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

821 case 15: /* typename ::= KW_SIGNED */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

822 #line 40 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

823 { yygotominor.yy18 = node_create(NODE_TYPE_INT); yy_destructor(yypParser,9,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

824 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

825 #line 826 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

826 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

827 case 16: /* typename ::= KW_SIGNED baseint */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

828 #line 41 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

829 { yygotominor.yy18 = yymsp[0].minor.yy18; if (yygotominor.yy18 -> type == NODE_TYPE_CHAR) yygotominor.yy18 -> type = NODE_TYPE_SCHAR; yy_destructor(yypParser,9,&yymsp[-1].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

830 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

831 #line 832 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

832 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

833 case 17: /* typename ::= KW_UNSIGNED baseint */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

834 #line 42 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

835 {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

836 yygotominor.yy18 = yymsp[0].minor.yy18;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

837 switch (yygotominor.yy18 -> type)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

838 {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

839 case NODE_TYPE_CHAR:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

840 yygotominor.yy18 -> type = NODE_TYPE_UCHAR;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

841 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

842 case NODE_TYPE_SHORT:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

843 yygotominor.yy18 -> type = NODE_TYPE_USHORT;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

844 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

845 case NODE_TYPE_INT:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

846 yygotominor.yy18 -> type = NODE_TYPE_UINT;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

847 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

848 case NODE_TYPE_LONG:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

849 yygotominor.yy18 -> type = NODE_TYPE_ULONG;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

850 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

851 case NODE_TYPE_LONGLONG:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

852 yygotominor.yy18 -> type = NODE_TYPE_ULONGLONG;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

853 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

854 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

855 yy_destructor(yypParser,8,&yymsp[-1].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

856 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

857 #line 858 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

858 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

859 case 18: /* baseint ::= KW_INT */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

860 #line 64 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

861 { yygotominor.yy18 = node_create(NODE_TYPE_INT); yy_destructor(yypParser,10,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

862 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

863 #line 864 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

864 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

865 case 19: /* baseint ::= KW_LONG */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

866 #line 65 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

867 { yygotominor.yy18 = node_create(NODE_TYPE_LONG); yy_destructor(yypParser,7,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

868 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

869 #line 870 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

870 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

871 case 20: /* baseint ::= KW_LONG KW_INT */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

872 #line 66 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

873 { yygotominor.yy18 = node_create(NODE_TYPE_LONG); yy_destructor(yypParser,7,&yymsp[-1].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

874 yy_destructor(yypParser,10,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

875 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

876 #line 877 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

877 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

878 case 21: /* baseint ::= KW_LONG KW_LONG */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

879 #line 67 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

880 { yygotominor.yy18 = node_create(NODE_TYPE_LONGLONG); yy_destructor(yypParser,7,&yymsp[-1].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

881 yy_destructor(yypParser,7,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

882 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

883 #line 884 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

884 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

885 case 22: /* baseint ::= KW_SHORT */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

886 #line 68 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

887 { yygotominor.yy18 = node_create(NODE_TYPE_SHORT); yy_destructor(yypParser,11,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

888 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

889 #line 890 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

890 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

891 case 23: /* baseint ::= KW_LONG KW_LONG KW_INT */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

892 #line 69 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

893 { yygotominor.yy18 = node_create(NODE_TYPE_LONGLONG); yy_destructor(yypParser,7,&yymsp[-2].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

894 yy_destructor(yypParser,7,&yymsp[-1].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

895 yy_destructor(yypParser,10,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

896 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

897 #line 898 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

898 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

899 case 24: /* baseint ::= KW_SHORT KW_INT */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

900 #line 70 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

901 { yygotominor.yy18 = node_create(NODE_TYPE_SHORT); yy_destructor(yypParser,11,&yymsp[-1].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

902 yy_destructor(yypParser,10,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

903 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

904 #line 905 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

905 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

906 case 25: /* baseint ::= KW_CHAR */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

907 #line 71 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

908 { yygotominor.yy18 = node_create(NODE_TYPE_CHAR); yy_destructor(yypParser,12,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

909 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

910 #line 911 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

911 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

912 case 26: /* fundecl ::= datatype ident arglist statementblock */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

913 #line 74 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

914 {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

915 yygotominor.yy18 = node_create(NODE_FUNDEF, yymsp[-3].minor.yy18, yymsp[-2].minor.yy18, yymsp[-1].minor.yy18, yymsp[0].minor.yy18);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

916 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

917 #line 918 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

918 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

919 case 27: /* fundecl ::= datatype ident arglist ENDS */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

920 #line 78 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

921 {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

922 yygotominor.yy18 = node_create(NODE_FUNDECL, yymsp[-3].minor.yy18, yymsp[-2].minor.yy18, yymsp[-1].minor.yy18);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

923 yy_destructor(yypParser,1,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

924 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

925 #line 926 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

926 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

927 case 28: /* arglist ::= OPAREN CPAREN */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

928 #line 82 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

929 { yygotominor.yy18 = node_create(NODE_FUNARGS); yy_destructor(yypParser,13,&yymsp[-1].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

930 yy_destructor(yypParser,14,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

931 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

932 #line 933 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

933 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

934 case 29: /* statementblock ::= OBRACE CBRACE */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

935 #line 84 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

936 { yygotominor.yy18 = node_create(NODE_BLOCK); yy_destructor(yypParser,15,&yymsp[-1].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

937 yy_destructor(yypParser,16,&yymsp[0].minor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

938 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

939 #line 940 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

940 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

941 default:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

942 break;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

943 };

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

944 yygoto = yyRuleInfo[yyruleno].lhs;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

945 yysize = yyRuleInfo[yyruleno].nrhs;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

946 yypParser->yyidx -= yysize;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

947 yyact = yy_find_reduce_action(yymsp[-yysize].stateno,(YYCODETYPE)yygoto);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

948 if( yyact < YYNSTATE ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

949 #ifdef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

950 /* If we are not debugging and the reduce action popped at least

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

951 ** one element off the stack, then we can push the new element back

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

952 ** onto the stack here, and skip the stack overflow test in yy_shift().

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

953 ** That gives a significant speed improvement. */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

954 if( yysize ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

955 yypParser->yyidx++;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

956 yymsp -= yysize-1;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

957 yymsp->stateno = (YYACTIONTYPE)yyact;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

958 yymsp->major = (YYCODETYPE)yygoto;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

959 yymsp->minor = yygotominor;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

960 }else

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

961 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

962 {

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

963 yy_shift(yypParser,yyact,yygoto,&yygotominor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

964 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

965 }else{

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

966 assert( yyact == YYNSTATE + YYNRULE + 1 );

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

967 yy_accept(yypParser);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

968 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

969 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

970

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

971 /*

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

972 ** The following code executes when the parse fails

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

973 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

974 #ifndef YYNOERRORRECOVERY

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

975 static void yy_parse_failed(

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

976 yyParser *yypParser /* The parser */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

977 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

978 ParseARG_FETCH;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

979 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

980 if( yyTraceFILE ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

981 fprintf(yyTraceFILE,"%sFail!\n",yyTracePrompt);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

982 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

983 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

984 while( yypParser->yyidx>=0 ) yy_pop_parser_stack(yypParser);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

985 /* Here code is inserted which will be executed whenever the

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

986 ** parser fails */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

987 #line 86 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

988

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

989 fprintf(stderr, "Parse error\n");

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

990 #line 991 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

991 ParseARG_STORE; /* Suppress warning about unused %extra_argument variable */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

992 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

993 #endif /* YYNOERRORRECOVERY */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

994

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

995 /*

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

996 ** The following code executes when a syntax error first occurs.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

997 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

998 static void yy_syntax_error(

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

999 yyParser *yypParser, /* The parser */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1000 int yymajor, /* The major type of the error token */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1001 YYMINORTYPE yyminor /* The minor type of the error token */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1002 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1003 ParseARG_FETCH;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1004 #define TOKEN (yyminor.yy0)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1005 #line 94 "lwcc/parse_c.y"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1006

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1007 fprintf(stderr, "Undexpected token %d: ", TOKEN -> tokid);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1008 tokendata_print(stderr, TOKEN);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1009 #line 1010 "lwcc/parse_c.c"

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1010 ParseARG_STORE; /* Suppress warning about unused %extra_argument variable */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1011 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1012

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1013 /*

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1014 ** The following is executed when the parser accepts

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1015 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1016 static void yy_accept(

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1017 yyParser *yypParser /* The parser */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1018 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1019 ParseARG_FETCH;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1020 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1021 if( yyTraceFILE ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1022 fprintf(yyTraceFILE,"%sAccept!\n",yyTracePrompt);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1023 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1024 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1025 while( yypParser->yyidx>=0 ) yy_pop_parser_stack(yypParser);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1026 /* Here code is inserted which will be executed whenever the

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1027 ** parser accepts */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1028 ParseARG_STORE; /* Suppress warning about unused %extra_argument variable */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1029 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1030

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1031 /* The main parser program.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1032 ** The first argument is a pointer to a structure obtained from

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1033 ** "ParseAlloc" which describes the current state of the parser.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1034 ** The second argument is the major token number. The third is

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1035 ** the minor token. The fourth optional argument is whatever the

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1036 ** user wants (and specified in the grammar) and is available for

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1037 ** use by the action routines.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1038 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1039 ** Inputs:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1040 ** <ul>

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1041 ** <li> A pointer to the parser (an opaque structure.)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1042 ** <li> The major token number.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1043 ** <li> The minor token number.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1044 ** <li> An option argument of a grammar-specified type.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1045 ** </ul>

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1046 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1047 ** Outputs:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1048 ** None.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1049 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1050 void Parse(

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1051 void *yyp, /* The parser */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1052 int yymajor, /* The major token code number */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1053 ParseTOKENTYPE yyminor /* The value for the token */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1054 ParseARG_PDECL /* Optional %extra_argument parameter */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1055 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1056 YYMINORTYPE yyminorunion;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1057 int yyact; /* The parser action. */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1058 int yyendofinput; /* True if we are at the end of input */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1059 #ifdef YYERRORSYMBOL

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1060 int yyerrorhit = 0; /* True if yymajor has invoked an error */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1061 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1062 yyParser *yypParser; /* The parser */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1063

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1064 /* (re)initialize the parser, if necessary */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1065 yypParser = (yyParser*)yyp;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1066 if( yypParser->yyidx<0 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1067 #if YYSTACKDEPTH<=0

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1068 if( yypParser->yystksz <=0 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1069 /*memset(&yyminorunion, 0, sizeof(yyminorunion));*/

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1070 yyminorunion = yyzerominor;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1071 yyStackOverflow(yypParser, &yyminorunion);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1072 return;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1073 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1074 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1075 yypParser->yyidx = 0;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1076 yypParser->yyerrcnt = -1;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1077 yypParser->yystack[0].stateno = 0;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1078 yypParser->yystack[0].major = 0;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1079 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1080 yyminorunion.yy0 = yyminor;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1081 yyendofinput = (yymajor==0);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1082 ParseARG_STORE;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1083

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1084 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1085 if( yyTraceFILE ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1086 fprintf(yyTraceFILE,"%sInput %s\n",yyTracePrompt,yyTokenName[yymajor]);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1087 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1088 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1089

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1090 do{

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1091 yyact = yy_find_shift_action(yypParser,(YYCODETYPE)yymajor);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1092 if( yyact<YYNSTATE ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1093 assert( !yyendofinput ); /* Impossible to shift the $ token */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1094 yy_shift(yypParser,yyact,yymajor,&yyminorunion);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1095 yypParser->yyerrcnt--;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1096 yymajor = YYNOCODE;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1097 }else if( yyact < YYNSTATE + YYNRULE ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1098 yy_reduce(yypParser,yyact-YYNSTATE);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1099 }else{

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1100 assert( yyact == YY_ERROR_ACTION );

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1101 #ifdef YYERRORSYMBOL

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1102 int yymx;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1103 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1104 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1105 if( yyTraceFILE ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1106 fprintf(yyTraceFILE,"%sSyntax Error!\n",yyTracePrompt);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1107 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1108 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1109 #ifdef YYERRORSYMBOL

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1110 /* A syntax error has occurred.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1111 ** The response to an error depends upon whether or not the

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1112 ** grammar defines an error token "ERROR".

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1113 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1114 ** This is what we do if the grammar does define ERROR:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1115 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1116 ** * Call the %syntax_error function.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1117 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1118 ** * Begin popping the stack until we enter a state where

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1119 ** it is legal to shift the error symbol, then shift

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1120 ** the error symbol.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1121 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1122 ** * Set the error count to three.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1123 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1124 ** * Begin accepting and shifting new tokens. No new error

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1125 ** processing will occur until three tokens have been

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1126 ** shifted successfully.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1127 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1128 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1129 if( yypParser->yyerrcnt<0 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1130 yy_syntax_error(yypParser,yymajor,yyminorunion);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1131 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1132 yymx = yypParser->yystack[yypParser->yyidx].major;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1133 if( yymx==YYERRORSYMBOL || yyerrorhit ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1134 #ifndef NDEBUG

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1135 if( yyTraceFILE ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1136 fprintf(yyTraceFILE,"%sDiscard input token %s\n",

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1137 yyTracePrompt,yyTokenName[yymajor]);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1138 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1139 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1140 yy_destructor(yypParser, (YYCODETYPE)yymajor,&yyminorunion);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1141 yymajor = YYNOCODE;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1142 }else{

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1143 while(

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1144 yypParser->yyidx >= 0 &&

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1145 yymx != YYERRORSYMBOL &&

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1146 (yyact = yy_find_reduce_action(

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1147 yypParser->yystack[yypParser->yyidx].stateno,

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1148 YYERRORSYMBOL)) >= YYNSTATE

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1149 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1150 yy_pop_parser_stack(yypParser);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1151 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1152 if( yypParser->yyidx < 0 || yymajor==0 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1153 yy_destructor(yypParser,(YYCODETYPE)yymajor,&yyminorunion);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1154 yy_parse_failed(yypParser);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1155 yymajor = YYNOCODE;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1156 }else if( yymx!=YYERRORSYMBOL ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1157 YYMINORTYPE u2;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1158 u2.YYERRSYMDT = 0;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1159 yy_shift(yypParser,yyact,YYERRORSYMBOL,&u2);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1160 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1161 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1162 yypParser->yyerrcnt = 3;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1163 yyerrorhit = 1;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1164 #elif defined(YYNOERRORRECOVERY)

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1165 /* If the YYNOERRORRECOVERY macro is defined, then do not attempt to

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1166 ** do any kind of error recovery. Instead, simply invoke the syntax

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1167 ** error routine and continue going as if nothing had happened.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1168 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1169 ** Applications can set this macro (for example inside %include) if

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1170 ** they intend to abandon the parse upon the first syntax error seen.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1171 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1172 yy_syntax_error(yypParser,yymajor,yyminorunion);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1173 yy_destructor(yypParser,(YYCODETYPE)yymajor,&yyminorunion);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1174 yymajor = YYNOCODE;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1175

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1176 #else /* YYERRORSYMBOL is not defined */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1177 /* This is what we do if the grammar does not define ERROR:

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1178 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1179 ** * Report an error message, and throw away the input token.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1180 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1181 ** * If the input token is $, then fail the parse.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1182 **

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1183 ** As before, subsequent error messages are suppressed until

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1184 ** three input tokens have been successfully shifted.

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1185 */

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1186 if( yypParser->yyerrcnt<=0 ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1187 yy_syntax_error(yypParser,yymajor,yyminorunion);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1188 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1189 yypParser->yyerrcnt = 3;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1190 yy_destructor(yypParser,(YYCODETYPE)yymajor,&yyminorunion);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1191 if( yyendofinput ){

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1192 yy_parse_failed(yypParser);

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1193 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1194 yymajor = YYNOCODE;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1195 #endif

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1196 }

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1197 }while( yymajor!=YYNOCODE && yypParser->yyidx>=0 );

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1198 return;

a3e277c58df9 Checkpoint parser development for lwcc

William Astle <lost@l-w.ca>

parents:

diff changeset

1199 }

Mercurial > hg > index.cgi

annotate lwcc/parse_c.c @ 314:a3e277c58df9 ccdev