Working filtering, still needs cleanup and optimization
This commit is contained in:
David Adrian
parent
af834fe2e2
commit
4af98e9951
@ -18,8 +18,9 @@ static int validate_node(node_t *node, fielddefset_t *fields)
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return 1;
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}
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for (i = 0; i < MAX_FIELDS; i++) {
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for (i = 0; i < fields->len; i++) {
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if (fields->fielddefs[i].name) {
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printf("Fields: %s, Looking for: %s\n", fields->fielddefs[i].name, node->value.field.fieldname);
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if (strcmp(fields->fielddefs[i].name, node->value.field.fieldname) == 0) {
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node->value.field.index = i;
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return 1;
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@ -58,6 +59,6 @@ int validate_filter(node_t *root, fielddefset_t *fields)
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if (!valid) {
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return 0;
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}
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return (validate_filter(root->left_child, fields) && validate_filter(root->right_child, fields));
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}
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630
src/parser.c
630
src/parser.c
@ -1,630 +0,0 @@
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#ifndef lint
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static const char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93";
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#endif
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#define YYBYACC 1
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#define YYMAJOR 1
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#define YYMINOR 9
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#define YYPATCH 20120115
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#define YYEMPTY (-1)
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#define yyclearin (yychar = YYEMPTY)
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#define yyerrok (yyerrflag = 0)
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#define YYRECOVERING() (yyerrflag != 0)
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#define YYPREFIX "yy"
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#define YYPURE 0
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#line 2 "parser.y"
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#include <stdio.h>
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#include <string.h>
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#include "expression.h"
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#include "lexer.h"
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#include "filter.h"
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void yyerror(const char *str)
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{
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fprintf(stderr,"error: %s\n",str);
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fprintf(stderr, "%s\n", "YOLO");
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}
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int yywrap()
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{
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return 1;
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}
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extern node_t *zfilter;
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#line 23 "parser.y"
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#ifdef YYSTYPE
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#undef YYSTYPE_IS_DECLARED
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#define YYSTYPE_IS_DECLARED 1
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#endif
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#ifndef YYSTYPE_IS_DECLARED
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#define YYSTYPE_IS_DECLARED 1
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typedef union {
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int int_literal;
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char *string_literal;
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struct node *expr;
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} YYSTYPE;
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#endif /* !YYSTYPE_IS_DECLARED */
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#line 52 "parser.c"
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/* compatibility with bison */
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#ifdef YYPARSE_PARAM
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/* compatibility with FreeBSD */
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# ifdef YYPARSE_PARAM_TYPE
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# define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
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# else
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# define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
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# endif
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#else
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# define YYPARSE_DECL() yyparse(void)
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#endif
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/* Parameters sent to lex. */
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#ifdef YYLEX_PARAM
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# define YYLEX_DECL() yylex(void *YYLEX_PARAM)
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# define YYLEX yylex(YYLEX_PARAM)
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#else
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# define YYLEX_DECL() yylex(void)
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# define YYLEX yylex()
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#endif
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/* Parameters sent to yyerror. */
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#ifndef YYERROR_DECL
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#define YYERROR_DECL() yyerror(const char *s)
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#endif
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#ifndef YYERROR_CALL
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#define YYERROR_CALL(msg) yyerror(msg)
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#endif
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extern int YYPARSE_DECL();
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#define T_AND 257
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#define T_OR 258
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#define T_NUMBER 259
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#define T_FIELD 260
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#define T_NOT_EQ 261
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#define T_GT_EQ 262
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#define T_LT_EQ 263
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#define YYERRCODE 256
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static const short yylhs[] = { -1,
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0, 4, 4, 4, 4, 1, 1, 2, 2, 2,
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2, 2, 2, 3, 3,
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};
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static const short yylen[] = { 2,
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1, 3, 3, 3, 1, 1, 1, 3, 3, 3,
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3, 3, 3, 3, 3,
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};
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static const short yydefred[] = { 0,
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0, 0, 0, 5, 6, 7, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 4, 11, 15, 12,
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9, 10, 8, 14, 13, 3, 0,
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};
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static const short yydgoto[] = { 3,
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4, 5, 6, 7,
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};
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static const short yysindex[] = { -40,
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-40, -57, 0, 0, 0, 0, -250, -39, -249, -245,
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-244, -243, -247, -242, -40, -40, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, -248,
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};
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static const short yyrindex[] = { 0,
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0, 0, 0, 0, 0, 0, 18, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 1,
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};
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static const short yygindex[] = { 0,
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0, 0, 0, 5,
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};
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#define YYTABLESIZE 259
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static const short yytable[] = { 1,
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2, 17, 12, 13, 11, 8, 15, 16, 15, 18,
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19, 23, 24, 20, 21, 22, 25, 1, 0, 26,
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27, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 2, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 9, 10, 14, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 15, 16, 2,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 2,
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};
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static const short yycheck[] = { 40,
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0, 41, 60, 61, 62, 1, 257, 258, 257, 259,
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260, 259, 260, 259, 259, 259, 259, 0, -1, 15,
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16, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, 41, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, 261, 262, 263, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, 257, 258, 260,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, 258,
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};
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#define YYFINAL 3
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#ifndef YYDEBUG
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#define YYDEBUG 0
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#endif
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#define YYMAXTOKEN 263
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#if YYDEBUG
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static const char *yyname[] = {
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"end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,"'('","')'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'<'","'='","'>'",0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"T_AND",
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"T_OR","T_NUMBER","T_FIELD","T_NOT_EQ","T_GT_EQ","T_LT_EQ",
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};
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static const char *yyrule[] = {
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"$accept : expression",
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"expression : filter_expr",
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"filter_expr : filter_expr T_OR filter_expr",
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"filter_expr : filter_expr T_AND filter_expr",
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"filter_expr : '(' filter_expr ')'",
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"filter_expr : filter",
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"filter : number_filter",
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"filter : string_filter",
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"number_filter : T_FIELD '=' T_NUMBER",
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"number_filter : T_FIELD '>' T_NUMBER",
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"number_filter : T_FIELD '<' T_NUMBER",
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"number_filter : T_FIELD T_NOT_EQ T_NUMBER",
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"number_filter : T_FIELD T_GT_EQ T_NUMBER",
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"number_filter : T_FIELD T_LT_EQ T_NUMBER",
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"string_filter : T_FIELD '=' T_FIELD",
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"string_filter : T_FIELD T_NOT_EQ T_FIELD",
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};
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#endif
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int yydebug;
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int yynerrs;
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int yyerrflag;
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int yychar;
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YYSTYPE yyval;
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YYSTYPE yylval;
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/* define the initial stack-sizes */
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#ifdef YYSTACKSIZE
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#undef YYMAXDEPTH
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#define YYMAXDEPTH YYSTACKSIZE
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#else
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#ifdef YYMAXDEPTH
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#define YYSTACKSIZE YYMAXDEPTH
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#else
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#define YYSTACKSIZE 500
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#define YYMAXDEPTH 500
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#endif
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#endif
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#define YYINITSTACKSIZE 500
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typedef struct {
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unsigned stacksize;
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short *s_base;
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short *s_mark;
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short *s_last;
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YYSTYPE *l_base;
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YYSTYPE *l_mark;
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} YYSTACKDATA;
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/* variables for the parser stack */
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static YYSTACKDATA yystack;
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#line 144 "parser.y"
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#line 253 "parser.c"
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#if YYDEBUG
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#include <stdio.h> /* needed for printf */
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#endif
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#include <stdlib.h> /* needed for malloc, etc */
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#include <string.h> /* needed for memset */
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/* allocate initial stack or double stack size, up to YYMAXDEPTH */
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static int yygrowstack(YYSTACKDATA *data)
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{
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int i;
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unsigned newsize;
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short *newss;
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YYSTYPE *newvs;
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|
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if ((newsize = data->stacksize) == 0)
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newsize = YYINITSTACKSIZE;
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else if (newsize >= YYMAXDEPTH)
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return -1;
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else if ((newsize *= 2) > YYMAXDEPTH)
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newsize = YYMAXDEPTH;
|
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|
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i = data->s_mark - data->s_base;
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newss = (short *)realloc(data->s_base, newsize * sizeof(*newss));
|
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if (newss == 0)
|
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return -1;
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|
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data->s_base = newss;
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data->s_mark = newss + i;
|
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|
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newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
|
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if (newvs == 0)
|
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return -1;
|
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|
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data->l_base = newvs;
|
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data->l_mark = newvs + i;
|
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|
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data->stacksize = newsize;
|
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data->s_last = data->s_base + newsize - 1;
|
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return 0;
|
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}
|
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|
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#if YYPURE || defined(YY_NO_LEAKS)
|
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static void yyfreestack(YYSTACKDATA *data)
|
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{
|
||||
free(data->s_base);
|
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free(data->l_base);
|
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memset(data, 0, sizeof(*data));
|
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}
|
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#else
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#define yyfreestack(data) /* nothing */
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#endif
|
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|
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#define YYABORT goto yyabort
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#define YYREJECT goto yyabort
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#define YYACCEPT goto yyaccept
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#define YYERROR goto yyerrlab
|
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|
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int
|
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YYPARSE_DECL()
|
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{
|
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int yym, yyn, yystate;
|
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#if YYDEBUG
|
||||
const char *yys;
|
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|
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if ((yys = getenv("YYDEBUG")) != 0)
|
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{
|
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yyn = *yys;
|
||||
if (yyn >= '0' && yyn <= '9')
|
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yydebug = yyn - '0';
|
||||
}
|
||||
#endif
|
||||
|
||||
yynerrs = 0;
|
||||
yyerrflag = 0;
|
||||
yychar = YYEMPTY;
|
||||
yystate = 0;
|
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|
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#if YYPURE
|
||||
memset(&yystack, 0, sizeof(yystack));
|
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#endif
|
||||
|
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if (yystack.s_base == NULL && yygrowstack(&yystack)) goto yyoverflow;
|
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yystack.s_mark = yystack.s_base;
|
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yystack.l_mark = yystack.l_base;
|
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yystate = 0;
|
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*yystack.s_mark = 0;
|
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|
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yyloop:
|
||||
if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
|
||||
if (yychar < 0)
|
||||
{
|
||||
if ((yychar = YYLEX) < 0) yychar = 0;
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
{
|
||||
yys = 0;
|
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if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
|
||||
if (!yys) yys = "illegal-symbol";
|
||||
printf("%sdebug: state %d, reading %d (%s)\n",
|
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YYPREFIX, yystate, yychar, yys);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
|
||||
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
|
||||
{
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
printf("%sdebug: state %d, shifting to state %d\n",
|
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YYPREFIX, yystate, yytable[yyn]);
|
||||
#endif
|
||||
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack))
|
||||
{
|
||||
goto yyoverflow;
|
||||
}
|
||||
yystate = yytable[yyn];
|
||||
*++yystack.s_mark = yytable[yyn];
|
||||
*++yystack.l_mark = yylval;
|
||||
yychar = YYEMPTY;
|
||||
if (yyerrflag > 0) --yyerrflag;
|
||||
goto yyloop;
|
||||
}
|
||||
if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
|
||||
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
|
||||
{
|
||||
yyn = yytable[yyn];
|
||||
goto yyreduce;
|
||||
}
|
||||
if (yyerrflag) goto yyinrecovery;
|
||||
|
||||
yyerror("syntax error");
|
||||
|
||||
goto yyerrlab;
|
||||
|
||||
yyerrlab:
|
||||
++yynerrs;
|
||||
|
||||
yyinrecovery:
|
||||
if (yyerrflag < 3)
|
||||
{
|
||||
yyerrflag = 3;
|
||||
for (;;)
|
||||
{
|
||||
if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 &&
|
||||
yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
|
||||
{
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
printf("%sdebug: state %d, error recovery shifting\
|
||||
to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
|
||||
#endif
|
||||
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack))
|
||||
{
|
||||
goto yyoverflow;
|
||||
}
|
||||
yystate = yytable[yyn];
|
||||
*++yystack.s_mark = yytable[yyn];
|
||||
*++yystack.l_mark = yylval;
|
||||
goto yyloop;
|
||||
}
|
||||
else
|
||||
{
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
printf("%sdebug: error recovery discarding state %d\n",
|
||||
YYPREFIX, *yystack.s_mark);
|
||||
#endif
|
||||
if (yystack.s_mark <= yystack.s_base) goto yyabort;
|
||||
--yystack.s_mark;
|
||||
--yystack.l_mark;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (yychar == 0) goto yyabort;
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
{
|
||||
yys = 0;
|
||||
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
|
||||
if (!yys) yys = "illegal-symbol";
|
||||
printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
|
||||
YYPREFIX, yystate, yychar, yys);
|
||||
}
|
||||
#endif
|
||||
yychar = YYEMPTY;
|
||||
goto yyloop;
|
||||
}
|
||||
|
||||
yyreduce:
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
printf("%sdebug: state %d, reducing by rule %d (%s)\n",
|
||||
YYPREFIX, yystate, yyn, yyrule[yyn]);
|
||||
#endif
|
||||
yym = yylen[yyn];
|
||||
if (yym)
|
||||
yyval = yystack.l_mark[1-yym];
|
||||
else
|
||||
memset(&yyval, 0, sizeof yyval);
|
||||
switch (yyn)
|
||||
{
|
||||
case 1:
|
||||
#line 46 "parser.y"
|
||||
{
|
||||
zfilter = yystack.l_mark[0].expr;
|
||||
}
|
||||
break;
|
||||
case 2:
|
||||
#line 53 "parser.y"
|
||||
{
|
||||
yyval.expr = make_op_node(OR);
|
||||
yyval.expr->left_child = yystack.l_mark[-2].expr;
|
||||
yyval.expr->right_child = yystack.l_mark[0].expr;
|
||||
}
|
||||
break;
|
||||
case 3:
|
||||
#line 59 "parser.y"
|
||||
{
|
||||
yyval.expr = make_op_node(AND);
|
||||
yyval.expr->left_child = yystack.l_mark[-2].expr;
|
||||
yyval.expr->right_child = yystack.l_mark[0].expr;
|
||||
}
|
||||
break;
|
||||
case 4:
|
||||
#line 65 "parser.y"
|
||||
{
|
||||
yyval.expr = yystack.l_mark[-1].expr;
|
||||
}
|
||||
break;
|
||||
case 5:
|
||||
#line 69 "parser.y"
|
||||
{
|
||||
yyval.expr = yystack.l_mark[0].expr;
|
||||
}
|
||||
break;
|
||||
case 6:
|
||||
#line 75 "parser.y"
|
||||
{
|
||||
yyval.expr = yystack.l_mark[0].expr;
|
||||
}
|
||||
break;
|
||||
case 7:
|
||||
#line 79 "parser.y"
|
||||
{
|
||||
yyval.expr = yystack.l_mark[0].expr;
|
||||
}
|
||||
break;
|
||||
case 8:
|
||||
#line 85 "parser.y"
|
||||
{
|
||||
yyval.expr = make_op_node(EQ);
|
||||
yyval.expr->left_child = make_field_node(yystack.l_mark[-2].string_literal);
|
||||
yyval.expr->right_child = make_int_node(yystack.l_mark[0].int_literal);
|
||||
}
|
||||
break;
|
||||
case 9:
|
||||
#line 92 "parser.y"
|
||||
{
|
||||
yyval.expr = make_op_node(GT);
|
||||
yyval.expr->left_child = make_field_node(yystack.l_mark[-2].string_literal);
|
||||
yyval.expr->right_child = make_int_node(yystack.l_mark[0].int_literal);
|
||||
}
|
||||
break;
|
||||
case 10:
|
||||
#line 99 "parser.y"
|
||||
{
|
||||
yyval.expr = make_op_node(LT);
|
||||
yyval.expr->left_child = make_field_node(yystack.l_mark[-2].string_literal);
|
||||
yyval.expr->right_child = make_int_node(yystack.l_mark[0].int_literal);
|
||||
}
|
||||
break;
|
||||
case 11:
|
||||
#line 106 "parser.y"
|
||||
{
|
||||
yyval.expr = make_op_node(NEQ);
|
||||
yyval.expr->left_child = make_field_node(yystack.l_mark[-2].string_literal);
|
||||
yyval.expr->right_child = make_int_node(yystack.l_mark[0].int_literal);
|
||||
}
|
||||
break;
|
||||
case 12:
|
||||
#line 113 "parser.y"
|
||||
{
|
||||
yyval.expr = make_op_node(GT_EQ);
|
||||
yyval.expr->left_child = make_field_node(yystack.l_mark[-2].string_literal);
|
||||
yyval.expr->right_child = make_int_node(yystack.l_mark[0].int_literal);
|
||||
}
|
||||
break;
|
||||
case 13:
|
||||
#line 120 "parser.y"
|
||||
{
|
||||
yyval.expr = make_op_node(LT_EQ);
|
||||
yyval.expr->left_child = make_field_node(yystack.l_mark[-2].string_literal);
|
||||
yyval.expr->right_child = make_int_node(yystack.l_mark[0].int_literal);
|
||||
}
|
||||
break;
|
||||
case 14:
|
||||
#line 129 "parser.y"
|
||||
{
|
||||
yyval.expr = make_op_node(EQ);
|
||||
yyval.expr->left_child = make_field_node(yystack.l_mark[-2].string_literal);
|
||||
yyval.expr->right_child = make_field_node(yystack.l_mark[0].string_literal);
|
||||
}
|
||||
break;
|
||||
case 15:
|
||||
#line 136 "parser.y"
|
||||
{
|
||||
yyval.expr = make_op_node(NEQ);
|
||||
yyval.expr->left_child = make_field_node(yystack.l_mark[-2].string_literal);
|
||||
yyval.expr->right_child = make_field_node(yystack.l_mark[0].string_literal);
|
||||
}
|
||||
break;
|
||||
#line 569 "parser.c"
|
||||
}
|
||||
yystack.s_mark -= yym;
|
||||
yystate = *yystack.s_mark;
|
||||
yystack.l_mark -= yym;
|
||||
yym = yylhs[yyn];
|
||||
if (yystate == 0 && yym == 0)
|
||||
{
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
printf("%sdebug: after reduction, shifting from state 0 to\
|
||||
state %d\n", YYPREFIX, YYFINAL);
|
||||
#endif
|
||||
yystate = YYFINAL;
|
||||
*++yystack.s_mark = YYFINAL;
|
||||
*++yystack.l_mark = yyval;
|
||||
if (yychar < 0)
|
||||
{
|
||||
if ((yychar = YYLEX) < 0) yychar = 0;
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
{
|
||||
yys = 0;
|
||||
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
|
||||
if (!yys) yys = "illegal-symbol";
|
||||
printf("%sdebug: state %d, reading %d (%s)\n",
|
||||
YYPREFIX, YYFINAL, yychar, yys);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
if (yychar == 0) goto yyaccept;
|
||||
goto yyloop;
|
||||
}
|
||||
if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
|
||||
yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
|
||||
yystate = yytable[yyn];
|
||||
else
|
||||
yystate = yydgoto[yym];
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
printf("%sdebug: after reduction, shifting from state %d \
|
||||
to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
|
||||
#endif
|
||||
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack))
|
||||
{
|
||||
goto yyoverflow;
|
||||
}
|
||||
*++yystack.s_mark = (short) yystate;
|
||||
*++yystack.l_mark = yyval;
|
||||
goto yyloop;
|
||||
|
||||
yyoverflow:
|
||||
yyerror("yacc stack overflow");
|
||||
|
||||
yyabort:
|
||||
yyfreestack(&yystack);
|
||||
return (1);
|
||||
|
||||
yyaccept:
|
||||
yyfreestack(&yystack);
|
||||
return (0);
|
||||
}
|
||||
@ -129,14 +129,14 @@ string_filter:
|
||||
{
|
||||
$$ = make_op_node(EQ);
|
||||
$$->left_child = make_field_node($1);
|
||||
$$->right_child = make_field_node($3);
|
||||
$$->right_child = make_string_node($3);
|
||||
}
|
||||
|
|
||||
T_FIELD T_NOT_EQ T_FIELD
|
||||
{
|
||||
$$ = make_op_node(NEQ);
|
||||
$$->left_child = make_field_node($1);
|
||||
$$->right_child = make_field_node($3);
|
||||
$$->right_child = make_string_node($3);
|
||||
}
|
||||
;
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user