/* 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 5 "./configparser.y" #include #include #include #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "configfile.h" #include "buffer.h" #include "array.h" static void configparser_push(config_t *ctx, data_config *dc, int isnew) { if (isnew) { dc->context_ndx = ctx->all_configs->used; assert(dc->context_ndx > ctx->current->context_ndx); array_insert_unique(ctx->all_configs, (data_unset *)dc); dc->parent = ctx->current; array_insert_unique(dc->parent->childs, (data_unset *)dc); } array_insert_unique(ctx->configs_stack, (data_unset *)ctx->current); ctx->current = dc; } static data_config *configparser_pop(config_t *ctx) { data_config *old = ctx->current; ctx->current = (data_config *) array_pop(ctx->configs_stack); return old; } /* return a copied variable */ static data_unset *configparser_get_variable(config_t *ctx, const buffer *key) { data_unset *du; data_config *dc; #if 0 fprintf(stderr, "get var %s\n", key->ptr); #endif for (dc = ctx->current; dc; dc = dc->parent) { #if 0 fprintf(stderr, "get var on block: %s\n", dc->key->ptr); array_print(dc->value, 0); #endif if (NULL != (du = array_get_element(dc->value, key->ptr))) { return du->copy(du); } } return NULL; } /* op1 is to be eat/return by this function, op1->key is not cared op2 is left untouch, unreferenced */ data_unset *configparser_merge_data(data_unset *op1, const data_unset *op2) { /* type mismatch */ if (op1->type != op2->type) { if (op1->type == TYPE_STRING && op2->type == TYPE_INTEGER) { data_string *ds = (data_string *)op1; buffer_append_long(ds->value, ((data_integer*)op2)->value); return op1; } else if (op1->type == TYPE_INTEGER && op2->type == TYPE_STRING) { data_string *ds = data_string_init(); buffer_append_long(ds->value, ((data_integer*)op1)->value); buffer_append_string_buffer(ds->value, ((data_string*)op2)->value); op1->free(op1); return (data_unset *)ds; } else { fprintf(stderr, "data type mismatch, cannot be merge\n"); op1->free(op1); return NULL; } } switch (op1->type) { case TYPE_STRING: buffer_append_string_buffer(((data_string *)op1)->value, ((data_string *)op2)->value); break; case TYPE_INTEGER: ((data_integer *)op1)->value += ((data_integer *)op2)->value; break; case TYPE_ARRAY: { array *dst = ((data_array *)op1)->value; array *src = ((data_array *)op2)->value; data_unset *du; size_t i; for (i = 0; i < src->used; i ++) { du = (data_unset *)src->data[i]; if (du) { array_insert_unique(dst, du->copy(du)); } } break; default: assert(0); break; } } return op1; } #line 110 "configparser.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. ** configparserTOKENTYPE 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 configparserTOKENTYPE. The entry in the union ** for base tokens is called "yy0". ** YYSTACKDEPTH is the maximum depth of the parser's stack. ** configparserARG_SDECL A static variable declaration for the %extra_argument ** configparserARG_PDECL A parameter declaration for the %extra_argument ** configparserARG_STORE Code to store %extra_argument into yypParser ** configparserARG_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 48 #define YYACTIONTYPE unsigned char #define configparserTOKENTYPE buffer * typedef union { configparserTOKENTYPE yy0; config_cond_t yy27; array * yy40; data_unset * yy41; buffer * yy43; data_config * yy78; int yy95; } YYMINORTYPE; #define YYSTACKDEPTH 100 #define configparserARG_SDECL config_t *ctx; #define configparserARG_PDECL ,config_t *ctx #define configparserARG_FETCH config_t *ctx = yypParser->ctx #define configparserARG_STORE yypParser->ctx = ctx #define YYNSTATE 63 #define YYNRULE 40 #define YYERRORSYMBOL 26 #define YYERRSYMDT yy95 #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 */ 2, 3, 4, 5, 13, 14, 63, 15, 7, 45, /* 10 */ 20, 88, 16, 46, 28, 49, 41, 10, 40, 25, /* 20 */ 22, 50, 46, 8, 15, 104, 1, 20, 28, 18, /* 30 */ 58, 60, 6, 25, 22, 40, 47, 62, 11, 46, /* 40 */ 20, 9, 23, 24, 26, 29, 89, 58, 60, 10, /* 50 */ 17, 38, 28, 27, 37, 19, 30, 25, 22, 34, /* 60 */ 15, 100, 20, 20, 23, 24, 26, 12, 19, 31, /* 70 */ 32, 40, 19, 44, 43, 46, 95, 35, 90, 89, /* 80 */ 28, 49, 42, 58, 60, 25, 22, 59, 28, 27, /* 90 */ 33, 48, 52, 25, 22, 34, 28, 49, 51, 28, /* 100 */ 36, 25, 22, 61, 25, 22, 89, 28, 39, 89, /* 110 */ 89, 89, 25, 22, 54, 55, 56, 57, 89, 28, /* 120 */ 53, 21, 89, 89, 25, 22, 25, 22, }; static YYCODETYPE yy_lookahead[] = { /* 0 */ 29, 30, 31, 32, 33, 34, 0, 1, 44, 38, /* 10 */ 4, 15, 41, 16, 35, 36, 45, 46, 12, 40, /* 20 */ 41, 42, 16, 15, 1, 27, 28, 4, 35, 36, /* 30 */ 24, 25, 1, 40, 41, 12, 17, 14, 13, 16, /* 40 */ 4, 38, 6, 7, 8, 9, 15, 24, 25, 46, /* 50 */ 2, 3, 35, 36, 37, 5, 39, 40, 41, 42, /* 60 */ 1, 11, 4, 4, 6, 7, 8, 28, 5, 9, /* 70 */ 10, 12, 5, 14, 28, 16, 13, 11, 13, 47, /* 80 */ 35, 36, 13, 24, 25, 40, 41, 42, 35, 36, /* 90 */ 37, 18, 43, 40, 41, 42, 35, 36, 19, 35, /* 100 */ 36, 40, 41, 42, 40, 41, 47, 35, 36, 47, /* 110 */ 47, 47, 40, 41, 20, 21, 22, 23, 47, 35, /* 120 */ 36, 35, 47, 47, 40, 41, 40, 41, }; #define YY_SHIFT_USE_DFLT (-5) static signed char yy_shift_ofst[] = { /* 0 */ -5, 6, -5, -5, -5, 31, -4, 8, -3, -5, /* 10 */ 25, -5, 23, -5, -5, -5, 48, 58, 67, 58, /* 20 */ -5, -5, -5, -5, -5, -5, 36, 50, -5, -5, /* 30 */ 60, -5, 58, -5, 66, 58, 67, -5, 58, 67, /* 40 */ 65, 69, -5, 59, -5, -5, 19, 73, 58, 67, /* 50 */ 79, 94, 58, 63, -5, -5, -5, -5, 58, -5, /* 60 */ 58, -5, -5, }; #define YY_REDUCE_USE_DFLT (-37) static signed char yy_reduce_ofst[] = { /* 0 */ -2, -29, -37, -37, -37, -36, -37, -37, 3, -37, /* 10 */ -37, 39, -29, -37, -37, -37, -37, -7, -37, 86, /* 20 */ -37, -37, -37, -37, -37, -37, 17, -37, -37, -37, /* 30 */ -37, -37, 53, -37, -37, 64, -37, -37, 72, -37, /* 40 */ -37, -37, 46, -29, -37, -37, -37, -37, -21, -37, /* 50 */ -37, 49, 84, -37, -37, -37, -37, -37, 45, -37, /* 60 */ 61, -37, -37, }; static YYACTIONTYPE yy_default[] = { /* 0 */ 65, 103, 64, 66, 67, 103, 68, 103, 103, 92, /* 10 */ 103, 65, 103, 69, 70, 71, 103, 103, 72, 103, /* 20 */ 74, 75, 77, 78, 79, 80, 103, 86, 76, 81, /* 30 */ 103, 82, 84, 83, 103, 103, 87, 85, 103, 73, /* 40 */ 103, 103, 65, 103, 91, 93, 103, 103, 103, 100, /* 50 */ 103, 103, 103, 103, 96, 97, 98, 99, 103, 101, /* 60 */ 103, 102, 94, }; #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 */ configparserARG_SDECL /* A place to hold %extra_argument */ yyStackEntry yystack[YYSTACKDEPTH]; /* The parser's stack */ }; typedef struct yyParser yyParser; #ifndef NDEBUG #include static FILE *yyTraceFILE = 0; static char *yyTracePrompt = 0; #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. */ void configparserTrace(FILE *TraceFILE, char *zTracePrompt){ yyTraceFILE = TraceFILE; yyTracePrompt = zTracePrompt; if( yyTraceFILE==0 ) yyTracePrompt = 0; else if( yyTracePrompt==0 ) yyTraceFILE = 0; } #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[] = { "$", "EOL", "ASSIGN", "APPEND", "LKEY", "PLUS", "STRING", "INTEGER", "LPARAN", "RPARAN", "COMMA", "ARRAY_ASSIGN", "GLOBAL", "LCURLY", "RCURLY", "ELSE", "DOLLAR", "SRVVARNAME", "LBRACKET", "RBRACKET", "EQ", "MATCH", "NE", "NOMATCH", "INCLUDE", "INCLUDE_SHELL", "error", "input", "metalines", "metaline", "varline", "global", "condlines", "include", "include_shell", "value", "expression", "aelement", "condline", "aelements", "array", "key", "stringop", "cond", "eols", "globalstart", "context", }; #endif /* NDEBUG */ #ifndef NDEBUG /* For tracing reduce actions, the names of all rules are required. */ static const char *yyRuleName[] = { /* 0 */ "input ::= metalines", /* 1 */ "metalines ::= metalines metaline", /* 2 */ "metalines ::=", /* 3 */ "metaline ::= varline", /* 4 */ "metaline ::= global", /* 5 */ "metaline ::= condlines EOL", /* 6 */ "metaline ::= include", /* 7 */ "metaline ::= include_shell", /* 8 */ "metaline ::= EOL", /* 9 */ "varline ::= key ASSIGN expression", /* 10 */ "varline ::= key APPEND expression", /* 11 */ "key ::= LKEY", /* 12 */ "expression ::= expression PLUS value", /* 13 */ "expression ::= value", /* 14 */ "value ::= key", /* 15 */ "value ::= STRING", /* 16 */ "value ::= INTEGER", /* 17 */ "value ::= array", /* 18 */ "array ::= LPARAN RPARAN", /* 19 */ "array ::= LPARAN aelements RPARAN", /* 20 */ "aelements ::= aelements COMMA aelement", /* 21 */ "aelements ::= aelements COMMA", /* 22 */ "aelements ::= aelement", /* 23 */ "aelement ::= expression", /* 24 */ "aelement ::= stringop ARRAY_ASSIGN expression", /* 25 */ "eols ::= EOL", /* 26 */ "eols ::=", /* 27 */ "globalstart ::= GLOBAL", /* 28 */ "global ::= globalstart LCURLY metalines RCURLY", /* 29 */ "condlines ::= condlines eols ELSE condline", /* 30 */ "condlines ::= condline", /* 31 */ "condline ::= context LCURLY metalines RCURLY", /* 32 */ "context ::= DOLLAR SRVVARNAME LBRACKET stringop RBRACKET cond expression", /* 33 */ "cond ::= EQ", /* 34 */ "cond ::= MATCH", /* 35 */ "cond ::= NE", /* 36 */ "cond ::= NOMATCH", /* 37 */ "stringop ::= expression", /* 38 */ "include ::= INCLUDE stringop", /* 39 */ "include_shell ::= INCLUDE_SHELL stringop", }; #endif /* NDEBUG */ /* ** This function returns the symbolic name associated with a token ** value. */ const char *configparserTokenName(int tokenType){ #ifndef NDEBUG if( tokenType>0 && tokenType<(sizeof(yyTokenName)/sizeof(yyTokenName[0])) ){ return yyTokenName[tokenType]; }else{ return "Unknown"; } #else return ""; #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 configparser and configparserFree. */ void *configparserAlloc(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: case 13: case 14: case 15: case 16: case 17: case 18: case 19: case 20: case 21: case 22: case 23: case 24: case 25: #line 142 "./configparser.y" { buffer_free((yypminor->yy0)); } #line 518 "configparser.c" break; case 35: #line 133 "./configparser.y" { (yypminor->yy41)->free((yypminor->yy41)); } #line 523 "configparser.c" break; case 36: #line 134 "./configparser.y" { (yypminor->yy41)->free((yypminor->yy41)); } #line 528 "configparser.c" break; case 37: #line 135 "./configparser.y" { (yypminor->yy41)->free((yypminor->yy41)); } #line 533 "configparser.c" break; case 39: #line 136 "./configparser.y" { array_free((yypminor->yy40)); } #line 538 "configparser.c" break; case 40: #line 137 "./configparser.y" { array_free((yypminor->yy40)); } #line 543 "configparser.c" break; case 41: #line 138 "./configparser.y" { buffer_free((yypminor->yy43)); } #line 548 "configparser.c" break; case 42: #line 139 "./configparser.y" { buffer_free((yypminor->yy43)); } #line 553 "configparser.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 configparserAlloc. **
  • A pointer to a function used to reclaim memory obtained ** from malloc. **
*/ void configparserFree( void *p, /* The parser to be deleted */ void (*freeProc)(void*) /* Function used to reclaim memory */ ){ yyParser *pParser = (yyParser*)p; if( pParser==0 ) 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 || 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 || 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 ){ configparserARG_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 */ configparserARG_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[] = { { 27, 1 }, { 28, 2 }, { 28, 0 }, { 29, 1 }, { 29, 1 }, { 29, 2 }, { 29, 1 }, { 29, 1 }, { 29, 1 }, { 30, 3 }, { 30, 3 }, { 41, 1 }, { 36, 3 }, { 36, 1 }, { 35, 1 }, { 35, 1 }, { 35, 1 }, { 35, 1 }, { 40, 2 }, { 40, 3 }, { 39, 3 }, { 39, 2 }, { 39, 1 }, { 37, 1 }, { 37, 3 }, { 44, 1 }, { 44, 0 }, { 45, 1 }, { 31, 4 }, { 32, 4 }, { 32, 1 }, { 38, 4 }, { 46, 7 }, { 43, 1 }, { 43, 1 }, { 43, 1 }, { 43, 1 }, { 42, 1 }, { 33, 2 }, { 34, 2 }, }; 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 */ configparserARG_FETCH; yymsp = &yypParser->yystack[yypParser->yyidx]; #ifndef NDEBUG if( yyTraceFILE && yyruleno>=0 && yyruleno ** { ... } // User supplied code ** #line ** break; */ case 0: /* No destructor defined for metalines */ break; case 1: /* No destructor defined for metalines */ /* No destructor defined for metaline */ break; case 2: break; case 3: /* No destructor defined for varline */ break; case 4: /* No destructor defined for global */ break; case 5: #line 116 "./configparser.y" { yymsp[-1].minor.yy78 = NULL; } #line 823 "configparser.c" yy_destructor(1,&yymsp[0].minor); break; case 6: /* No destructor defined for include */ break; case 7: /* No destructor defined for include_shell */ break; case 8: yy_destructor(1,&yymsp[0].minor); break; case 9: #line 144 "./configparser.y" { buffer_copy_string_buffer(yymsp[0].minor.yy41->key, yymsp[-2].minor.yy43); if (strncmp(yymsp[-2].minor.yy43->ptr, "env.", sizeof("env.") - 1) == 0) { fprintf(stderr, "Setting env variable is not supported in conditional %d %s: %s\n", ctx->current->context_ndx, ctx->current->key->ptr, yymsp[-2].minor.yy43->ptr); ctx->ok = 0; } else if (NULL == array_get_element(ctx->current->value, yymsp[0].minor.yy41->key->ptr)) { array_insert_unique(ctx->current->value, yymsp[0].minor.yy41); yymsp[0].minor.yy41 = NULL; } else { fprintf(stderr, "Duplicate config variable in conditional %d %s: %s\n", ctx->current->context_ndx, ctx->current->key->ptr, yymsp[0].minor.yy41->key->ptr); ctx->ok = 0; yymsp[0].minor.yy41->free(yymsp[0].minor.yy41); yymsp[0].minor.yy41 = NULL; } buffer_free(yymsp[-2].minor.yy43); yymsp[-2].minor.yy43 = NULL; } #line 858 "configparser.c" yy_destructor(2,&yymsp[-1].minor); break; case 10: #line 166 "./configparser.y" { array *vars = ctx->current->value; data_unset *du; if (strncmp(yymsp[-2].minor.yy43->ptr, "env.", sizeof("env.") - 1) == 0) { fprintf(stderr, "Appending env variable is not supported in conditional %d %s: %s\n", ctx->current->context_ndx, ctx->current->key->ptr, yymsp[-2].minor.yy43->ptr); ctx->ok = 0; } else if (NULL != (du = array_get_element(vars, yymsp[-2].minor.yy43->ptr))) { /* exists in current block */ du = configparser_merge_data(du, yymsp[0].minor.yy41); if (NULL == du) { ctx->ok = 0; } else { buffer_copy_string_buffer(du->key, yymsp[-2].minor.yy43); array_replace(vars, du); } yymsp[0].minor.yy41->free(yymsp[0].minor.yy41); } else if (NULL != (du = configparser_get_variable(ctx, yymsp[-2].minor.yy43))) { du = configparser_merge_data(du, yymsp[0].minor.yy41); if (NULL == du) { ctx->ok = 0; } else { buffer_copy_string_buffer(du->key, yymsp[-2].minor.yy43); array_insert_unique(ctx->current->value, du); } yymsp[0].minor.yy41->free(yymsp[0].minor.yy41); } else { buffer_copy_string_buffer(yymsp[0].minor.yy41->key, yymsp[-2].minor.yy43); array_insert_unique(ctx->current->value, yymsp[0].minor.yy41); } buffer_free(yymsp[-2].minor.yy43); yymsp[-2].minor.yy43 = NULL; yymsp[0].minor.yy41 = NULL; } #line 901 "configparser.c" yy_destructor(3,&yymsp[-1].minor); break; case 11: #line 205 "./configparser.y" { if (strchr(yymsp[0].minor.yy0->ptr, '.') == NULL) { yygotominor.yy43 = buffer_init_string("var."); buffer_append_string_buffer(yygotominor.yy43, yymsp[0].minor.yy0); buffer_free(yymsp[0].minor.yy0); yymsp[0].minor.yy0 = NULL; } else { yygotominor.yy43 = yymsp[0].minor.yy0; yymsp[0].minor.yy0 = NULL; } } #line 917 "configparser.c" break; case 12: #line 217 "./configparser.y" { yygotominor.yy41 = configparser_merge_data(yymsp[-2].minor.yy41, yymsp[0].minor.yy41); if (NULL == yygotominor.yy41) { ctx->ok = 0; } yymsp[-2].minor.yy41 = NULL; yymsp[0].minor.yy41->free(yymsp[0].minor.yy41); yymsp[0].minor.yy41 = NULL; } #line 930 "configparser.c" yy_destructor(5,&yymsp[-1].minor); break; case 13: #line 227 "./configparser.y" { yygotominor.yy41 = yymsp[0].minor.yy41; yymsp[0].minor.yy41 = NULL; } #line 939 "configparser.c" break; case 14: #line 232 "./configparser.y" { if (strncmp(yymsp[0].minor.yy43->ptr, "env.", sizeof("env.") - 1) == 0) { char *env; if (NULL != (env = getenv(yymsp[0].minor.yy43->ptr + 4))) { data_string *ds; ds = data_string_init(); buffer_append_string(ds->value, env); yygotominor.yy41 = (data_unset *)ds; } else { fprintf(stderr, "Undefined env variable: %s\n", yymsp[0].minor.yy43->ptr + 4); ctx->ok = 0; } } else if (NULL == (yygotominor.yy41 = configparser_get_variable(ctx, yymsp[0].minor.yy43))) { fprintf(stderr, "Undefined config variable: %s\n", yymsp[0].minor.yy43->ptr); ctx->ok = 0; } if (!yygotominor.yy41) { /* make a dummy so it won't crash */ yygotominor.yy41 = (data_unset *)data_string_init(); } buffer_free(yymsp[0].minor.yy43); yymsp[0].minor.yy43 = NULL; } #line 968 "configparser.c" break; case 15: #line 258 "./configparser.y" { yygotominor.yy41 = (data_unset *)data_string_init(); buffer_copy_string_buffer(((data_string *)(yygotominor.yy41))->value, yymsp[0].minor.yy0); buffer_free(yymsp[0].minor.yy0); yymsp[0].minor.yy0 = NULL; } #line 978 "configparser.c" break; case 16: #line 265 "./configparser.y" { yygotominor.yy41 = (data_unset *)data_integer_init(); ((data_integer *)(yygotominor.yy41))->value = strtol(yymsp[0].minor.yy0->ptr, NULL, 10); buffer_free(yymsp[0].minor.yy0); yymsp[0].minor.yy0 = NULL; } #line 988 "configparser.c" break; case 17: #line 271 "./configparser.y" { yygotominor.yy41 = (data_unset *)data_array_init(); array_free(((data_array *)(yygotominor.yy41))->value); ((data_array *)(yygotominor.yy41))->value = yymsp[0].minor.yy40; yymsp[0].minor.yy40 = NULL; } #line 998 "configparser.c" break; case 18: #line 277 "./configparser.y" { yygotominor.yy40 = array_init(); } #line 1005 "configparser.c" yy_destructor(8,&yymsp[-1].minor); yy_destructor(9,&yymsp[0].minor); break; case 19: #line 280 "./configparser.y" { yygotominor.yy40 = yymsp[-1].minor.yy40; yymsp[-1].minor.yy40 = NULL; } #line 1015 "configparser.c" yy_destructor(8,&yymsp[-2].minor); yy_destructor(9,&yymsp[0].minor); break; case 20: #line 285 "./configparser.y" { if (buffer_is_empty(yymsp[0].minor.yy41->key) || NULL == array_get_element(yymsp[-2].minor.yy40, yymsp[0].minor.yy41->key->ptr)) { array_insert_unique(yymsp[-2].minor.yy40, yymsp[0].minor.yy41); yymsp[0].minor.yy41 = NULL; } else { fprintf(stderr, "Duplicate array-key: %s\n", yymsp[0].minor.yy41->key->ptr); ctx->ok = 0; yymsp[0].minor.yy41->free(yymsp[0].minor.yy41); yymsp[0].minor.yy41 = NULL; } yygotominor.yy40 = yymsp[-2].minor.yy40; yymsp[-2].minor.yy40 = NULL; } #line 1037 "configparser.c" yy_destructor(10,&yymsp[-1].minor); break; case 21: #line 302 "./configparser.y" { yygotominor.yy40 = yymsp[-1].minor.yy40; yymsp[-1].minor.yy40 = NULL; } #line 1046 "configparser.c" yy_destructor(10,&yymsp[0].minor); break; case 22: #line 307 "./configparser.y" { yygotominor.yy40 = array_init(); array_insert_unique(yygotominor.yy40, yymsp[0].minor.yy41); yymsp[0].minor.yy41 = NULL; } #line 1056 "configparser.c" break; case 23: #line 313 "./configparser.y" { yygotominor.yy41 = yymsp[0].minor.yy41; yymsp[0].minor.yy41 = NULL; } #line 1064 "configparser.c" break; case 24: #line 317 "./configparser.y" { buffer_copy_string_buffer(yymsp[0].minor.yy41->key, yymsp[-2].minor.yy43); buffer_free(yymsp[-2].minor.yy43); yymsp[-2].minor.yy43 = NULL; yygotominor.yy41 = yymsp[0].minor.yy41; yymsp[0].minor.yy41 = NULL; } #line 1076 "configparser.c" yy_destructor(11,&yymsp[-1].minor); break; case 25: yy_destructor(1,&yymsp[0].minor); break; case 26: break; case 27: #line 329 "./configparser.y" { data_config *dc; dc = (data_config *)array_get_element(ctx->srv->config_context, "global"); assert(dc); configparser_push(ctx, dc, 0); } #line 1092 "configparser.c" yy_destructor(12,&yymsp[0].minor); break; case 28: #line 336 "./configparser.y" { data_config *cur; cur = ctx->current; configparser_pop(ctx); assert(cur && ctx->current); yygotominor.yy0 = cur; } #line 1107 "configparser.c" /* No destructor defined for globalstart */ yy_destructor(13,&yymsp[-2].minor); /* No destructor defined for metalines */ yy_destructor(14,&yymsp[0].minor); break; case 29: #line 347 "./configparser.y" { assert(yymsp[-3].minor.yy78->context_ndx < yymsp[0].minor.yy78->context_ndx); yymsp[0].minor.yy78->prev = yymsp[-3].minor.yy78; yymsp[-3].minor.yy78->next = yymsp[0].minor.yy78; yygotominor.yy78 = yymsp[0].minor.yy78; yymsp[-3].minor.yy78 = NULL; yymsp[0].minor.yy78 = NULL; } #line 1123 "configparser.c" /* No destructor defined for eols */ yy_destructor(15,&yymsp[-1].minor); break; case 30: #line 356 "./configparser.y" { yygotominor.yy78 = yymsp[0].minor.yy78; yymsp[0].minor.yy78 = NULL; } #line 1133 "configparser.c" break; case 31: #line 361 "./configparser.y" { data_config *cur; cur = ctx->current; configparser_pop(ctx); assert(cur && ctx->current); yygotominor.yy78 = cur; } #line 1147 "configparser.c" /* No destructor defined for context */ yy_destructor(13,&yymsp[-2].minor); /* No destructor defined for metalines */ yy_destructor(14,&yymsp[0].minor); break; case 32: #line 372 "./configparser.y" { data_config *dc; buffer *b, *rvalue, *op; if (ctx->ok && yymsp[0].minor.yy41->type != TYPE_STRING) { fprintf(stderr, "rvalue must be string"); ctx->ok = 0; } switch(yymsp[-1].minor.yy27) { case CONFIG_COND_NE: op = buffer_init_string("!="); break; case CONFIG_COND_EQ: op = buffer_init_string("=="); break; case CONFIG_COND_NOMATCH: op = buffer_init_string("!~"); break; case CONFIG_COND_MATCH: op = buffer_init_string("=~"); break; default: assert(0); return; } b = buffer_init(); buffer_copy_string_buffer(b, ctx->current->key); buffer_append_string(b, "/"); buffer_append_string_buffer(b, yymsp[-5].minor.yy0); buffer_append_string_buffer(b, yymsp[-3].minor.yy43); buffer_append_string_buffer(b, op); rvalue = ((data_string*)yymsp[0].minor.yy41)->value; buffer_append_string_buffer(b, rvalue); if (NULL != (dc = (data_config *)array_get_element(ctx->all_configs, b->ptr))) { configparser_push(ctx, dc, 0); } else { struct { comp_key_t comp; char *comp_key; size_t len; } comps[] = { { COMP_SERVER_SOCKET, CONST_STR_LEN("SERVER[\"socket\"]" ) }, { COMP_HTTP_URL, CONST_STR_LEN("HTTP[\"url\"]" ) }, { COMP_HTTP_HOST, CONST_STR_LEN("HTTP[\"host\"]" ) }, { COMP_HTTP_REFERER, CONST_STR_LEN("HTTP[\"referer\"]" ) }, { COMP_HTTP_USERAGENT, CONST_STR_LEN("HTTP[\"useragent\"]" ) }, { COMP_HTTP_COOKIE, CONST_STR_LEN("HTTP[\"cookie\"]" ) }, { COMP_HTTP_REMOTEIP, CONST_STR_LEN("HTTP[\"remoteip\"]" ) }, { COMP_HTTP_QUERYSTRING, CONST_STR_LEN("HTTP[\"querystring\"]") }, { COMP_UNSET, NULL, 0 }, }; size_t i; dc = data_config_init(); buffer_copy_string_buffer(dc->key, b); buffer_copy_string_buffer(dc->op, op); buffer_copy_string_buffer(dc->comp_key, yymsp[-5].minor.yy0); buffer_append_string_len(dc->comp_key, CONST_STR_LEN("[\"")); buffer_append_string_buffer(dc->comp_key, yymsp[-3].minor.yy43); buffer_append_string_len(dc->comp_key, CONST_STR_LEN("\"]")); dc->cond = yymsp[-1].minor.yy27; for (i = 0; comps[i].comp_key; i ++) { if (buffer_is_equal_string( dc->comp_key, comps[i].comp_key, comps[i].len)) { dc->comp = comps[i].comp; break; } } if (COMP_UNSET == dc->comp) { fprintf(stderr, "error comp_key %s", dc->comp_key->ptr); ctx->ok = 0; } switch(yymsp[-1].minor.yy27) { case CONFIG_COND_NE: case CONFIG_COND_EQ: dc->string = buffer_init_buffer(rvalue); break; case CONFIG_COND_NOMATCH: case CONFIG_COND_MATCH: { #ifdef HAVE_PCRE_H const char *errptr; int erroff; if (NULL == (dc->regex = pcre_compile(rvalue->ptr, 0, &errptr, &erroff, NULL))) { dc->string = buffer_init_string(errptr); dc->cond = CONFIG_COND_UNSET; fprintf(stderr, "parsing regex failed: %s -> %s at offset %d\n", rvalue->ptr, errptr, erroff); ctx->ok = 0; } else if (NULL == (dc->regex_study = pcre_study(dc->regex, 0, &errptr)) && errptr != NULL) { fprintf(stderr, "studying regex failed: %s -> %s\n", rvalue->ptr, errptr); ctx->ok = 0; } else { dc->string = buffer_init_buffer(rvalue); } #else fprintf(stderr, "can't handle '$%s[%s] =~ ...' as you compiled without pcre support. \n" "(perhaps just a missing pcre-devel package ?) \n", yymsp[-5].minor.yy0->ptr, yymsp[-3].minor.yy43->ptr); ctx->ok = 0; #endif break; } default: fprintf(stderr, "unknown condition for $%s[%s]\n", yymsp[-5].minor.yy0->ptr, yymsp[-3].minor.yy43->ptr); ctx->ok = 0; break; } configparser_push(ctx, dc, 1); } buffer_free(b); buffer_free(op); buffer_free(yymsp[-5].minor.yy0); yymsp[-5].minor.yy0 = NULL; buffer_free(yymsp[-3].minor.yy43); yymsp[-3].minor.yy43 = NULL; yymsp[0].minor.yy41->free(yymsp[0].minor.yy41); yymsp[0].minor.yy41 = NULL; } #line 1290 "configparser.c" yy_destructor(16,&yymsp[-6].minor); yy_destructor(18,&yymsp[-4].minor); yy_destructor(19,&yymsp[-2].minor); break; case 33: #line 507 "./configparser.y" { yygotominor.yy27 = CONFIG_COND_EQ; } #line 1300 "configparser.c" yy_destructor(20,&yymsp[0].minor); break; case 34: #line 510 "./configparser.y" { yygotominor.yy27 = CONFIG_COND_MATCH; } #line 1308 "configparser.c" yy_destructor(21,&yymsp[0].minor); break; case 35: #line 513 "./configparser.y" { yygotominor.yy27 = CONFIG_COND_NE; } #line 1316 "configparser.c" yy_destructor(22,&yymsp[0].minor); break; case 36: #line 516 "./configparser.y" { yygotominor.yy27 = CONFIG_COND_NOMATCH; } #line 1324 "configparser.c" yy_destructor(23,&yymsp[0].minor); break; case 37: #line 520 "./configparser.y" { yygotominor.yy43 = NULL; if (ctx->ok) { if (yymsp[0].minor.yy41->type == TYPE_STRING) { yygotominor.yy43 = buffer_init_buffer(((data_string*)yymsp[0].minor.yy41)->value); } else if (yymsp[0].minor.yy41->type == TYPE_INTEGER) { yygotominor.yy43 = buffer_init(); buffer_copy_long(yygotominor.yy43, ((data_integer *)yymsp[0].minor.yy41)->value); } else { fprintf(stderr, "operand must be string"); ctx->ok = 0; } } yymsp[0].minor.yy41->free(yymsp[0].minor.yy41); yymsp[0].minor.yy41 = NULL; } #line 1345 "configparser.c" break; case 38: #line 537 "./configparser.y" { if (ctx->ok) { if (0 != config_parse_file(ctx->srv, ctx, yymsp[0].minor.yy43->ptr)) { ctx->ok = 0; } buffer_free(yymsp[0].minor.yy43); yymsp[0].minor.yy43 = NULL; } } #line 1358 "configparser.c" yy_destructor(24,&yymsp[-1].minor); break; case 39: #line 547 "./configparser.y" { if (ctx->ok) { if (0 != config_parse_cmd(ctx->srv, ctx, yymsp[0].minor.yy43->ptr)) { ctx->ok = 0; } buffer_free(yymsp[0].minor.yy43); yymsp[0].minor.yy43 = NULL; } } #line 1372 "configparser.c" yy_destructor(25,&yymsp[-1].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 */ ){ configparserARG_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 107 "./configparser.y" ctx->ok = 0; #line 1406 "configparser.c" configparserARG_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 */ ){ configparserARG_FETCH; #define TOKEN (yyminor.yy0) configparserARG_STORE; /* Suppress warning about unused %extra_argument variable */ } /* ** The following is executed when the parser accepts */ static void yy_accept( yyParser *yypParser /* The parser */ ){ configparserARG_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 */ configparserARG_STORE; /* Suppress warning about unused %extra_argument variable */ } /* The main parser program. ** The first argument is a pointer to a structure obtained from ** "configparserAlloc" 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 configparser( void *yyp, /* The parser */ int yymajor, /* The major token code number */ configparserTOKENTYPE yyminor /* The value for the token */ configparserARG_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); configparserARG_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; }