/* Driver template for the LEMON parser generator. ** The author disclaims copyright to this source code. */ /* First off, code is include which follows the "include" declaration ** in the input file. */ #include #line 6 "../../src/mod_ssi_exprparser.y" #include "mod_ssi_expr.h" #include "buffer.h" #include #include #line 16 "mod_ssi_exprparser.c" /* Next is all token values, in a form suitable for use by makeheaders. ** This section will be null unless lemon is run with the -m switch. */ /* ** These constants (all generated automatically by the parser generator) ** specify the various kinds of tokens (terminals) that the parser ** understands. ** ** Each symbol here is a terminal symbol in the grammar. */ /* Make sure the INTERFACE macro is defined. */ #ifndef INTERFACE # define INTERFACE 1 #endif /* The next thing included is series of defines which control ** various aspects of the generated parser. ** YYCODETYPE is the data type used for storing terminal ** and nonterminal numbers. "unsigned char" is ** used if there are fewer than 250 terminals ** and nonterminals. "int" is used otherwise. ** YYNOCODE is a number of type YYCODETYPE which corresponds ** to no legal terminal or nonterminal number. This ** number is used to fill in empty slots of the hash ** table. ** YYFALLBACK If defined, this indicates that one or more tokens ** have fall-back values which should be used if the ** original value of the token will not parse. ** YYACTIONTYPE is the data type used for storing terminal ** and nonterminal numbers. "unsigned char" is ** used if there are fewer than 250 rules and ** states combined. "int" is used otherwise. ** ssiexprparserTOKENTYPE is the data type used for minor tokens given ** directly to the parser from the tokenizer. ** YYMINORTYPE is the data type used for all minor tokens. ** This is typically a union of many types, one of ** which is ssiexprparserTOKENTYPE. The entry in the union ** for base tokens is called "yy0". ** YYSTACKDEPTH is the maximum depth of the parser's stack. ** ssiexprparserARG_SDECL A static variable declaration for the %extra_argument ** ssiexprparserARG_PDECL A parameter declaration for the %extra_argument ** ssiexprparserARG_STORE Code to store %extra_argument into yypParser ** ssiexprparserARG_FETCH Code to extract %extra_argument from yypParser ** YYNSTATE the combined number of states. ** YYNRULE the number of rules in the grammar ** YYERRORSYMBOL is the code number of the error symbol. If not ** defined, then do no error processing. */ /*  */ #define YYCODETYPE unsigned char #define YYNOCODE 20 #define YYACTIONTYPE unsigned char #define ssiexprparserTOKENTYPE buffer * typedef union { ssiexprparserTOKENTYPE yy0; int yy8; buffer * yy19; ssi_val_t * yy29; int yy39; } YYMINORTYPE; #define YYSTACKDEPTH 100 #define ssiexprparserARG_SDECL ssi_ctx_t *ctx; #define ssiexprparserARG_PDECL ,ssi_ctx_t *ctx #define ssiexprparserARG_FETCH ssi_ctx_t *ctx = yypParser->ctx #define ssiexprparserARG_STORE yypParser->ctx = ctx #define YYNSTATE 23 #define YYNRULE 16 #define YYERRORSYMBOL 13 #define YYERRSYMDT yy39 #define YY_NO_ACTION (YYNSTATE+YYNRULE+2) #define YY_ACCEPT_ACTION (YYNSTATE+YYNRULE+1) #define YY_ERROR_ACTION (YYNSTATE+YYNRULE) /* Next are that tables used to determine what action to take based on the ** current state and lookahead token. These tables are used to implement ** functions that take a state number and lookahead value and return an ** action integer. ** ** Suppose the action integer is N. Then the action is determined as ** follows ** ** 0 <= N < YYNSTATE Shift N. That is, push the lookahead ** token onto the stack and goto state N. ** ** YYNSTATE <= N < YYNSTATE+YYNRULE Reduce by rule N-YYNSTATE. ** ** N == YYNSTATE+YYNRULE A syntax error has occurred. ** ** N == YYNSTATE+YYNRULE+1 The parser accepts its input. ** ** N == YYNSTATE+YYNRULE+2 No such action. Denotes unused ** slots in the yy_action[] table. ** ** The action table is constructed as a single large table named yy_action[]. ** Given state S and lookahead X, the action is computed as ** ** yy_action[ yy_shift_ofst[S] + X ] ** ** If the index value yy_shift_ofst[S]+X is out of range or if the value ** yy_lookahead[yy_shift_ofst[S]+X] is not equal to X or if yy_shift_ofst[S] ** is equal to YY_SHIFT_USE_DFLT, it means that the action is not in the table ** and that yy_default[S] should be used instead. ** ** The formula above is for computing the action when the lookahead is ** a terminal symbol. If the lookahead is a non-terminal (as occurs after ** a reduce action) then the yy_reduce_ofst[] array is used in place of ** the yy_shift_ofst[] array and YY_REDUCE_USE_DFLT is used in place of ** YY_SHIFT_USE_DFLT. ** ** The following are the tables generated in this section: ** ** yy_action[] A single table containing all actions. ** yy_lookahead[] A table containing the lookahead for each entry in ** yy_action. Used to detect hash collisions. ** yy_shift_ofst[] For each state, the offset into yy_action for ** shifting terminals. ** yy_reduce_ofst[] For each state, the offset into yy_action for ** shifting non-terminals after a reduce. ** yy_default[] Default action for each state. */ static YYACTIONTYPE yy_action[] = { /* 0 */ 5, 7, 17, 18, 22, 20, 21, 19, 2, 14, /* 10 */ 1, 23, 40, 9, 11, 3, 16, 2, 14, 12, /* 20 */ 4, 14, 5, 7, 6, 14, 7, 8, 14, 10, /* 30 */ 14, 13, 37, 37, 15, }; static YYCODETYPE yy_lookahead[] = { /* 0 */ 1, 2, 3, 4, 5, 6, 7, 8, 14, 15, /* 10 */ 16, 0, 18, 9, 10, 17, 12, 14, 15, 16, /* 20 */ 14, 15, 1, 2, 14, 15, 2, 14, 15, 14, /* 30 */ 15, 11, 19, 19, 12, }; #define YY_SHIFT_USE_DFLT (-2) static signed char yy_shift_ofst[] = { /* 0 */ 4, 11, -1, 4, 21, 4, 24, 4, -2, 4, /* 10 */ -2, 4, 20, -2, 22, -2, -2, -2, -2, -2, /* 20 */ -2, -2, -2, }; #define YY_REDUCE_USE_DFLT (-7) static signed char yy_reduce_ofst[] = { /* 0 */ -6, -7, -2, 6, -7, 10, -7, 13, -7, 15, /* 10 */ -7, 3, -7, -7, -7, -7, -7, -7, -7, -7, /* 20 */ -7, -7, -7, }; static YYACTIONTYPE yy_default[] = { /* 0 */ 39, 39, 25, 39, 24, 39, 26, 39, 27, 39, /* 10 */ 28, 39, 39, 29, 30, 32, 31, 33, 34, 35, /* 20 */ 36, 37, 38, }; #define YY_SZ_ACTTAB (sizeof(yy_action)/sizeof(yy_action[0])) /* The next table maps tokens into fallback tokens. If a construct ** like the following: ** ** %fallback ID X Y Z. ** ** appears in the grammer, then ID becomes a fallback token for X, Y, ** and Z. Whenever one of the tokens X, Y, or Z is input to the parser ** but it does not parse, the type of the token is changed to ID and ** the parse is retried before an error is thrown. */ #ifdef YYFALLBACK static const YYCODETYPE yyFallback[] = { }; #endif /* YYFALLBACK */ /* The following structure represents a single element of the ** parser's stack. Information stored includes: ** ** + The state number for the parser at this level of the stack. ** ** + The value of the token stored at this level of the stack. ** (In other words, the "major" token.) ** ** + The semantic value stored at this level of the stack. This is ** the information used by the action routines in the grammar. ** It is sometimes called the "minor" token. */ struct yyStackEntry { int stateno; /* The state-number */ int major; /* The major token value. This is the code ** number for the token at this stack level */ YYMINORTYPE minor; /* The user-supplied minor token value. This ** is the value of the token */ }; typedef struct yyStackEntry yyStackEntry; /* The state of the parser is completely contained in an instance of ** the following structure */ struct yyParser { int yyidx; /* Index of top element in stack */ int yyerrcnt; /* Shifts left before out of the error */ ssiexprparserARG_SDECL /* A place to hold %extra_argument */ yyStackEntry yystack[YYSTACKDEPTH]; /* The parser's stack */ }; typedef struct yyParser yyParser; #ifndef NDEBUG #include static FILE *yyTraceFILE = NULL; static char *yyTracePrompt = NULL; #endif /* NDEBUG */ #ifndef NDEBUG /* ** Turn parser tracing on by giving a stream to which to write the trace ** and a prompt to preface each trace message. Tracing is turned off ** by making either argument NULL ** ** Inputs: **
    **
  • A FILE* to which trace output should be written. ** If NULL, then tracing is turned off. **
  • A prefix string written at the beginning of every ** line of trace output. If NULL, then tracing is ** turned off. **
** ** Outputs: ** None. */ #if 0 void ssiexprparserTrace(FILE *TraceFILE, char *zTracePrompt){ yyTraceFILE = TraceFILE; yyTracePrompt = zTracePrompt; if( yyTraceFILE==0 ) yyTracePrompt = 0; else if( yyTracePrompt==0 ) yyTraceFILE = 0; } #endif #endif /* NDEBUG */ #ifndef NDEBUG /* For tracing shifts, the names of all terminals and nonterminals ** are required. The following table supplies these names */ static const char *yyTokenName[] = { "$", "AND", "OR", "EQ", "NE", "GT", "GE", "LT", "LE", "NOT", "LPARAN", "RPARAN", "VALUE", "error", "expr", "value", "exprline", "cond", "input", }; #endif /* NDEBUG */ #ifndef NDEBUG /* For tracing reduce actions, the names of all rules are required. */ static const char *yyRuleName[] = { /* 0 */ "input ::= exprline", /* 1 */ "exprline ::= expr cond expr", /* 2 */ "exprline ::= expr", /* 3 */ "expr ::= expr AND expr", /* 4 */ "expr ::= expr OR expr", /* 5 */ "expr ::= NOT expr", /* 6 */ "expr ::= LPARAN exprline RPARAN", /* 7 */ "expr ::= value", /* 8 */ "value ::= VALUE", /* 9 */ "value ::= value VALUE", /* 10 */ "cond ::= EQ", /* 11 */ "cond ::= NE", /* 12 */ "cond ::= LE", /* 13 */ "cond ::= GE", /* 14 */ "cond ::= LT", /* 15 */ "cond ::= GT", }; #endif /* NDEBUG */ /* ** This function returns the symbolic name associated with a token ** value. */ #if 0 const char *ssiexprparserTokenName(int tokenType){ #ifndef NDEBUG if( tokenType>0 && (size_t)tokenType<(sizeof(yyTokenName)/sizeof(yyTokenName[0])) ){ return yyTokenName[tokenType]; }else{ return "Unknown"; } #else return ""; #endif } #endif /* ** This function allocates a new parser. ** The only argument is a pointer to a function which works like ** malloc. ** ** Inputs: ** A pointer to the function used to allocate memory. ** ** Outputs: ** A pointer to a parser. This pointer is used in subsequent calls ** to ssiexprparser and ssiexprparserFree. */ void *ssiexprparserAlloc(void *(*mallocProc)(size_t)){ yyParser *pParser; pParser = (yyParser*)(*mallocProc)( (size_t)sizeof(yyParser) ); if( pParser ){ pParser->yyidx = -1; } return pParser; } /* The following function deletes the value associated with a ** symbol. The symbol can be either a terminal or nonterminal. ** "yymajor" is the symbol code, and "yypminor" is a pointer to ** the value. */ static void yy_destructor(YYCODETYPE yymajor, YYMINORTYPE *yypminor){ switch( yymajor ){ /* Here is inserted the actions which take place when a ** terminal or non-terminal is destroyed. This can happen ** when the symbol is popped from the stack during a ** reduce or during error processing or when a parser is ** being destroyed before it is finished parsing. ** ** Note: during a reduce, the only symbols destroyed are those ** which appear on the RHS of the rule, but which are not used ** inside the C code. */ case 1: case 2: case 3: case 4: case 5: case 6: case 7: case 8: case 9: case 10: case 11: case 12: #line 22 "../../src/mod_ssi_exprparser.y" { buffer_free((yypminor->yy0)); } #line 352 "mod_ssi_exprparser.c" break; default: break; /* If no destructor action specified: do nothing */ } } /* ** Pop the parser's stack once. ** ** If there is a destructor routine associated with the token which ** is popped from the stack, then call it. ** ** Return the major token number for the symbol popped. */ static int yy_pop_parser_stack(yyParser *pParser){ YYCODETYPE yymajor; yyStackEntry *yytos = &pParser->yystack[pParser->yyidx]; if( pParser->yyidx<0 ) return 0; #ifndef NDEBUG if( yyTraceFILE && pParser->yyidx>=0 ){ fprintf(yyTraceFILE,"%sPopping %s\n", yyTracePrompt, yyTokenName[yytos->major]); } #endif yymajor = yytos->major; yy_destructor( yymajor, &yytos->minor); pParser->yyidx--; return yymajor; } /* ** Deallocate and destroy a parser. Destructors are all called for ** all stack elements before shutting the parser down. ** ** Inputs: **
    **
  • A pointer to the parser. This should be a pointer ** obtained from ssiexprparserAlloc. **
  • A pointer to a function used to reclaim memory obtained ** from malloc. **
*/ void ssiexprparserFree( void *p, /* The parser to be deleted */ void (*freeProc)(void*) /* Function used to reclaim memory */ ){ yyParser *pParser = (yyParser*)p; if( pParser==NULL ) return; while( pParser->yyidx>=0 ) yy_pop_parser_stack(pParser); (*freeProc)((void*)pParser); } /* ** Find the appropriate action for a parser given the terminal ** look-ahead token iLookAhead. ** ** If the look-ahead token is YYNOCODE, then check to see if the action is ** independent of the look-ahead. If it is, return the action, otherwise ** return YY_NO_ACTION. */ static int yy_find_shift_action( yyParser *pParser, /* The parser */ int iLookAhead /* The look-ahead token */ ){ int i; int stateno = pParser->yystack[pParser->yyidx].stateno; /* if( pParser->yyidx<0 ) return YY_NO_ACTION; */ i = yy_shift_ofst[stateno]; if( i==YY_SHIFT_USE_DFLT ){ return yy_default[stateno]; } if( iLookAhead==YYNOCODE ){ return YY_NO_ACTION; } i += iLookAhead; if( i<0 || (size_t)i>=YY_SZ_ACTTAB || yy_lookahead[i]!=iLookAhead ){ #ifdef YYFALLBACK int iFallback; /* Fallback token */ if( iLookAhead %s\n", yyTracePrompt, yyTokenName[iLookAhead], yyTokenName[iFallback]); } #endif return yy_find_shift_action(pParser, iFallback); } #endif return yy_default[stateno]; }else{ return yy_action[i]; } } /* ** Find the appropriate action for a parser given the non-terminal ** look-ahead token iLookAhead. ** ** If the look-ahead token is YYNOCODE, then check to see if the action is ** independent of the look-ahead. If it is, return the action, otherwise ** return YY_NO_ACTION. */ static int yy_find_reduce_action( yyParser *pParser, /* The parser */ int iLookAhead /* The look-ahead token */ ){ int i; int stateno = pParser->yystack[pParser->yyidx].stateno; i = yy_reduce_ofst[stateno]; if( i==YY_REDUCE_USE_DFLT ){ return yy_default[stateno]; } if( iLookAhead==YYNOCODE ){ return YY_NO_ACTION; } i += iLookAhead; if( i<0 || (size_t)i>=YY_SZ_ACTTAB || yy_lookahead[i]!=iLookAhead ){ return yy_default[stateno]; }else{ return yy_action[i]; } } /* ** Perform a shift action. */ static void yy_shift( yyParser *yypParser, /* The parser to be shifted */ int yyNewState, /* The new state to shift in */ int yyMajor, /* The major token to shift in */ YYMINORTYPE *yypMinor /* Pointer ot the minor token to shift in */ ){ yyStackEntry *yytos; yypParser->yyidx++; if( yypParser->yyidx>=YYSTACKDEPTH ){ ssiexprparserARG_FETCH; yypParser->yyidx--; #ifndef NDEBUG if( yyTraceFILE ){ fprintf(yyTraceFILE,"%sStack Overflow!\n",yyTracePrompt); } #endif while( yypParser->yyidx>=0 ) yy_pop_parser_stack(yypParser); /* Here code is inserted which will execute if the parser ** stack every overflows */ ssiexprparserARG_STORE; /* Suppress warning about unused %extra_argument var */ return; } yytos = &yypParser->yystack[yypParser->yyidx]; yytos->stateno = yyNewState; yytos->major = yyMajor; yytos->minor = *yypMinor; #ifndef NDEBUG if( yyTraceFILE && yypParser->yyidx>0 ){ int i; fprintf(yyTraceFILE,"%sShift %d\n",yyTracePrompt,yyNewState); fprintf(yyTraceFILE,"%sStack:",yyTracePrompt); for(i=1; i<=yypParser->yyidx; i++) fprintf(yyTraceFILE," %s",yyTokenName[yypParser->yystack[i].major]); fprintf(yyTraceFILE,"\n"); } #endif } /* The following table contains information about every rule that ** is used during the reduce. */ static struct { YYCODETYPE lhs; /* Symbol on the left-hand side of the rule */ unsigned char nrhs; /* Number of right-hand side symbols in the rule */ } yyRuleInfo[] = { { 18, 1 }, { 16, 3 }, { 16, 1 }, { 14, 3 }, { 14, 3 }, { 14, 2 }, { 14, 3 }, { 14, 1 }, { 15, 1 }, { 15, 2 }, { 17, 1 }, { 17, 1 }, { 17, 1 }, { 17, 1 }, { 17, 1 }, { 17, 1 }, }; static void yy_accept(yyParser*); /* Forward Declaration */ /* ** Perform a reduce action and the shift that must immediately ** follow the reduce. */ static void yy_reduce( yyParser *yypParser, /* The parser */ int yyruleno /* Number of the rule by which to reduce */ ){ int yygoto; /* The next state */ int yyact; /* The next action */ YYMINORTYPE yygotominor; /* The LHS of the rule reduced */ yyStackEntry *yymsp; /* The top of the parser's stack */ int yysize; /* Amount to pop the stack */ ssiexprparserARG_FETCH; yymsp = &yypParser->yystack[yypParser->yyidx]; #ifndef NDEBUG if( yyTraceFILE && yyruleno>=0 && (size_t)yyruleno ** { ... } // User supplied code ** #line ** break; */ case 0: #line 29 "../../src/mod_ssi_exprparser.y" { ctx->val.bo = ssi_val_tobool(yymsp[0].minor.yy29); ctx->val.type = SSI_TYPE_BOOL; ssi_val_free(yymsp[0].minor.yy29); } #line 588 "mod_ssi_exprparser.c" break; case 1: #line 36 "../../src/mod_ssi_exprparser.y" { int cmp; if (yymsp[-2].minor.yy29->type == SSI_TYPE_STRING && yymsp[0].minor.yy29->type == SSI_TYPE_STRING) { cmp = strcmp(yymsp[-2].minor.yy29->str->ptr, yymsp[0].minor.yy29->str->ptr); } else { cmp = ssi_val_tobool(yymsp[-2].minor.yy29) - ssi_val_tobool(yymsp[0].minor.yy29); } yygotominor.yy29 = yymsp[-2].minor.yy29; switch(yymsp[-1].minor.yy8) { case SSI_COND_EQ: yygotominor.yy29->bo = (cmp == 0) ? 1 : 0; break; case SSI_COND_NE: yygotominor.yy29->bo = (cmp != 0) ? 1 : 0; break; case SSI_COND_GE: yygotominor.yy29->bo = (cmp >= 0) ? 1 : 0; break; case SSI_COND_GT: yygotominor.yy29->bo = (cmp > 0) ? 1 : 0; break; case SSI_COND_LE: yygotominor.yy29->bo = (cmp <= 0) ? 1 : 0; break; case SSI_COND_LT: yygotominor.yy29->bo = (cmp < 0) ? 1 : 0; break; } yygotominor.yy29->type = SSI_TYPE_BOOL; ssi_val_free(yymsp[0].minor.yy29); } #line 617 "mod_ssi_exprparser.c" break; case 2: #line 61 "../../src/mod_ssi_exprparser.y" { yygotominor.yy29 = yymsp[0].minor.yy29; } #line 624 "mod_ssi_exprparser.c" break; case 3: #line 64 "../../src/mod_ssi_exprparser.y" { int e; e = ssi_val_tobool(yymsp[-2].minor.yy29) && ssi_val_tobool(yymsp[0].minor.yy29); yygotominor.yy29 = yymsp[-2].minor.yy29; yygotominor.yy29->bo = e; yygotominor.yy29->type = SSI_TYPE_BOOL; ssi_val_free(yymsp[0].minor.yy29); } #line 638 "mod_ssi_exprparser.c" yy_destructor(1,&yymsp[-1].minor); break; case 4: #line 75 "../../src/mod_ssi_exprparser.y" { int e; e = ssi_val_tobool(yymsp[-2].minor.yy29) || ssi_val_tobool(yymsp[0].minor.yy29); yygotominor.yy29 = yymsp[-2].minor.yy29; yygotominor.yy29->bo = e; yygotominor.yy29->type = SSI_TYPE_BOOL; ssi_val_free(yymsp[0].minor.yy29); } #line 653 "mod_ssi_exprparser.c" yy_destructor(2,&yymsp[-1].minor); break; case 5: #line 86 "../../src/mod_ssi_exprparser.y" { int e; e = !ssi_val_tobool(yymsp[0].minor.yy29); yygotominor.yy29 = yymsp[0].minor.yy29; yygotominor.yy29->bo = e; yygotominor.yy29->type = SSI_TYPE_BOOL; } #line 667 "mod_ssi_exprparser.c" yy_destructor(9,&yymsp[-1].minor); break; case 6: #line 95 "../../src/mod_ssi_exprparser.y" { yygotominor.yy29 = yymsp[-1].minor.yy29; } #line 675 "mod_ssi_exprparser.c" yy_destructor(10,&yymsp[-2].minor); yy_destructor(11,&yymsp[0].minor); break; case 7: #line 99 "../../src/mod_ssi_exprparser.y" { yygotominor.yy29 = ssi_val_init(); yygotominor.yy29->str = yymsp[0].minor.yy19; yygotominor.yy29->type = SSI_TYPE_STRING; } #line 686 "mod_ssi_exprparser.c" break; case 8: #line 105 "../../src/mod_ssi_exprparser.y" { yygotominor.yy19 = yymsp[0].minor.yy0; } #line 693 "mod_ssi_exprparser.c" break; case 9: #line 109 "../../src/mod_ssi_exprparser.y" { yygotominor.yy19 = yymsp[-1].minor.yy19; buffer_append_string_buffer(yygotominor.yy19, yymsp[0].minor.yy0); buffer_free(yymsp[0].minor.yy0); } #line 702 "mod_ssi_exprparser.c" break; case 10: #line 115 "../../src/mod_ssi_exprparser.y" { yygotominor.yy8 = SSI_COND_EQ; } #line 707 "mod_ssi_exprparser.c" yy_destructor(3,&yymsp[0].minor); break; case 11: #line 116 "../../src/mod_ssi_exprparser.y" { yygotominor.yy8 = SSI_COND_NE; } #line 713 "mod_ssi_exprparser.c" yy_destructor(4,&yymsp[0].minor); break; case 12: #line 117 "../../src/mod_ssi_exprparser.y" { yygotominor.yy8 = SSI_COND_LE; } #line 719 "mod_ssi_exprparser.c" yy_destructor(8,&yymsp[0].minor); break; case 13: #line 118 "../../src/mod_ssi_exprparser.y" { yygotominor.yy8 = SSI_COND_GE; } #line 725 "mod_ssi_exprparser.c" yy_destructor(6,&yymsp[0].minor); break; case 14: #line 119 "../../src/mod_ssi_exprparser.y" { yygotominor.yy8 = SSI_COND_LT; } #line 731 "mod_ssi_exprparser.c" yy_destructor(7,&yymsp[0].minor); break; case 15: #line 120 "../../src/mod_ssi_exprparser.y" { yygotominor.yy8 = SSI_COND_GT; } #line 737 "mod_ssi_exprparser.c" yy_destructor(5,&yymsp[0].minor); break; }; yygoto = yyRuleInfo[yyruleno].lhs; yysize = yyRuleInfo[yyruleno].nrhs; yypParser->yyidx -= yysize; yyact = yy_find_reduce_action(yypParser,yygoto); if( yyact < YYNSTATE ){ yy_shift(yypParser,yyact,yygoto,&yygotominor); }else if( yyact == YYNSTATE + YYNRULE + 1 ){ yy_accept(yypParser); } } /* ** The following code executes when the parse fails */ static void yy_parse_failed( yyParser *yypParser /* The parser */ ){ ssiexprparserARG_FETCH; #ifndef NDEBUG if( yyTraceFILE ){ fprintf(yyTraceFILE,"%sFail!\n",yyTracePrompt); } #endif while( yypParser->yyidx>=0 ) yy_pop_parser_stack(yypParser); /* Here code is inserted which will be executed whenever the ** parser fails */ #line 14 "../../src/mod_ssi_exprparser.y" ctx->ok = 0; #line 771 "mod_ssi_exprparser.c" ssiexprparserARG_STORE; /* Suppress warning about unused %extra_argument variable */ } /* ** The following code executes when a syntax error first occurs. */ static void yy_syntax_error( yyParser *yypParser, /* The parser */ int yymajor, /* The major type of the error token */ YYMINORTYPE yyminor /* The minor type of the error token */ ){ ssiexprparserARG_FETCH; UNUSED(yymajor); UNUSED(yyminor); #define TOKEN (yyminor.yy0) ssiexprparserARG_STORE; /* Suppress warning about unused %extra_argument variable */ } /* ** The following is executed when the parser accepts */ static void yy_accept( yyParser *yypParser /* The parser */ ){ ssiexprparserARG_FETCH; #ifndef NDEBUG if( yyTraceFILE ){ fprintf(yyTraceFILE,"%sAccept!\n",yyTracePrompt); } #endif while( yypParser->yyidx>=0 ) yy_pop_parser_stack(yypParser); /* Here code is inserted which will be executed whenever the ** parser accepts */ ssiexprparserARG_STORE; /* Suppress warning about unused %extra_argument variable */ } /* The main parser program. ** The first argument is a pointer to a structure obtained from ** "ssiexprparserAlloc" which describes the current state of the parser. ** The second argument is the major token number. The third is ** the minor token. The fourth optional argument is whatever the ** user wants (and specified in the grammar) and is available for ** use by the action routines. ** ** Inputs: **
    **
  • A pointer to the parser (an opaque structure.) **
  • The major token number. **
  • The minor token number. **
  • An option argument of a grammar-specified type. **
** ** Outputs: ** None. */ void ssiexprparser( void *yyp, /* The parser */ int yymajor, /* The major token code number */ ssiexprparserTOKENTYPE yyminor /* The value for the token */ ssiexprparserARG_PDECL /* Optional %extra_argument parameter */ ){ YYMINORTYPE yyminorunion; int yyact; /* The parser action. */ int yyendofinput; /* True if we are at the end of input */ int yyerrorhit = 0; /* True if yymajor has invoked an error */ yyParser *yypParser; /* The parser */ /* (re)initialize the parser, if necessary */ yypParser = (yyParser*)yyp; if( yypParser->yyidx<0 ){ if( yymajor==0 ) return; yypParser->yyidx = 0; yypParser->yyerrcnt = -1; yypParser->yystack[0].stateno = 0; yypParser->yystack[0].major = 0; } yyminorunion.yy0 = yyminor; yyendofinput = (yymajor==0); ssiexprparserARG_STORE; #ifndef NDEBUG if( yyTraceFILE ){ fprintf(yyTraceFILE,"%sInput %s\n",yyTracePrompt,yyTokenName[yymajor]); } #endif do{ yyact = yy_find_shift_action(yypParser,yymajor); if( yyactyyerrcnt--; if( yyendofinput && yypParser->yyidx>=0 ){ yymajor = 0; }else{ yymajor = YYNOCODE; } }else if( yyact < YYNSTATE + YYNRULE ){ yy_reduce(yypParser,yyact-YYNSTATE); }else if( yyact == YY_ERROR_ACTION ){ int yymx; #ifndef NDEBUG if( yyTraceFILE ){ fprintf(yyTraceFILE,"%sSyntax Error!\n",yyTracePrompt); } #endif #ifdef YYERRORSYMBOL /* A syntax error has occurred. ** The response to an error depends upon whether or not the ** grammar defines an error token "ERROR". ** ** This is what we do if the grammar does define ERROR: ** ** * Call the %syntax_error function. ** ** * Begin popping the stack until we enter a state where ** it is legal to shift the error symbol, then shift ** the error symbol. ** ** * Set the error count to three. ** ** * Begin accepting and shifting new tokens. No new error ** processing will occur until three tokens have been ** shifted successfully. ** */ if( yypParser->yyerrcnt<0 ){ yy_syntax_error(yypParser,yymajor,yyminorunion); } yymx = yypParser->yystack[yypParser->yyidx].major; if( yymx==YYERRORSYMBOL || yyerrorhit ){ #ifndef NDEBUG if( yyTraceFILE ){ fprintf(yyTraceFILE,"%sDiscard input token %s\n", yyTracePrompt,yyTokenName[yymajor]); } #endif yy_destructor(yymajor,&yyminorunion); yymajor = YYNOCODE; }else{ while( yypParser->yyidx >= 0 && yymx != YYERRORSYMBOL && (yyact = yy_find_shift_action(yypParser,YYERRORSYMBOL)) >= YYNSTATE ){ yy_pop_parser_stack(yypParser); } if( yypParser->yyidx < 0 || yymajor==0 ){ yy_destructor(yymajor,&yyminorunion); yy_parse_failed(yypParser); yymajor = YYNOCODE; }else if( yymx!=YYERRORSYMBOL ){ YYMINORTYPE u2; u2.YYERRSYMDT = 0; yy_shift(yypParser,yyact,YYERRORSYMBOL,&u2); } } yypParser->yyerrcnt = 3; yyerrorhit = 1; #else /* YYERRORSYMBOL is not defined */ /* This is what we do if the grammar does not define ERROR: ** ** * Report an error message, and throw away the input token. ** ** * If the input token is $, then fail the parse. ** ** As before, subsequent error messages are suppressed until ** three input tokens have been successfully shifted. */ if( yypParser->yyerrcnt<=0 ){ yy_syntax_error(yypParser,yymajor,yyminorunion); } yypParser->yyerrcnt = 3; yy_destructor(yymajor,&yyminorunion); if( yyendofinput ){ yy_parse_failed(yypParser); } yymajor = YYNOCODE; #endif }else{ yy_accept(yypParser); yymajor = YYNOCODE; } }while( yymajor!=YYNOCODE && yypParser->yyidx>=0 ); return; }