diff options
author | mwesdorp <mwesdorp> | 2013-08-21 14:07:26 +0000 |
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committer | mwesdorp <mwesdorp> | 2013-08-21 14:07:26 +0000 |
commit | 6394808fa61869e465f5887f5dd65a3e0ba26f08 (patch) | |
tree | dbbb84fe1105fe6014cd7daaafa8a6a44a1c200a /src | |
parent | b6391e59e3b967077da008ce1b0d86e0b50d0946 (diff) |
sqsh-2.4 New features and bugfixes
Diffstat (limited to 'src')
-rw-r--r-- | src/sqsh_parser/tsql.c | 970 | ||||
-rw-r--r-- | src/sqsh_parser/tsql.h | 5 | ||||
-rw-r--r-- | src/sqsh_parser/tsql.yy.c | 2111 |
3 files changed, 3086 insertions, 0 deletions
diff --git a/src/sqsh_parser/tsql.c b/src/sqsh_parser/tsql.c new file mode 100644 index 0000000..29ba420 --- /dev/null +++ b/src/sqsh_parser/tsql.c @@ -0,0 +1,970 @@ +/* Driver template for the LEMON parser generator. +** The author disclaims copyright to this source code. +*/ +/* First off, code is included that follows the "include" declaration +** in the input grammar file. */ +#include <stdio.h> +#line 1 "tsql.y" + + #include <string.h> + #include <assert.h> + #include <malloc.h> + + #include "sqsh_parser.h" +#line 15 "tsql.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. +** ParseTOKENTYPE 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 ParseTOKENTYPE. The entry in the union +** for base tokens is called "yy0". +** YYSTACKDEPTH is the maximum depth of the parser's stack. If +** zero the stack is dynamically sized using realloc() +** ParseARG_SDECL A static variable declaration for the %extra_argument +** ParseARG_PDECL A parameter declaration for the %extra_argument +** ParseARG_STORE Code to store %extra_argument into yypParser +** ParseARG_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 13 +#define YYACTIONTYPE unsigned char +#define ParseTOKENTYPE char* +typedef union { + int yyinit; + ParseTOKENTYPE yy0; +} YYMINORTYPE; +#ifndef YYSTACKDEPTH +#define YYSTACKDEPTH 100 +#endif +#define ParseARG_SDECL +#define ParseARG_PDECL +#define ParseARG_FETCH +#define ParseARG_STORE +#define YYNSTATE 15 +#define YYNRULE 10 +#define YY_NO_ACTION (YYNSTATE+YYNRULE+2) +#define YY_ACCEPT_ACTION (YYNSTATE+YYNRULE+1) +#define YY_ERROR_ACTION (YYNSTATE+YYNRULE) + +/* The yyzerominor constant is used to initialize instances of +** YYMINORTYPE objects to zero. */ +static const YYMINORTYPE yyzerominor = { 0 }; + +/* Define the yytestcase() macro to be a no-op if is not already defined +** otherwise. +** +** Applications can choose to define yytestcase() in the %include section +** to a macro that can assist in verifying code coverage. For production +** code the yytestcase() macro should be turned off. But it is useful +** for testing. +*/ +#ifndef yytestcase +# define yytestcase(X) +#endif + + +/* Next are the 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. +*/ +#define YY_ACTTAB_COUNT (18) +static const YYACTIONTYPE yy_action[] = { + /* 0 */ 15, 7, 12, 1, 26, 2, 8, 4, 3, 5, + /* 10 */ 9, 7, 10, 1, 13, 11, 6, 14, +}; +static const YYCODETYPE yy_lookahead[] = { + /* 0 */ 0, 1, 11, 3, 7, 8, 9, 4, 5, 10, + /* 10 */ 11, 1, 11, 3, 2, 2, 2, 9, +}; +#define YY_SHIFT_USE_DFLT (-1) +#define YY_SHIFT_COUNT (7) +#define YY_SHIFT_MIN (0) +#define YY_SHIFT_MAX (14) +static const signed char yy_shift_ofst[] = { + /* 0 */ 10, 14, 0, 14, 14, 3, 13, 12, +}; +#define YY_REDUCE_USE_DFLT (-10) +#define YY_REDUCE_COUNT (4) +#define YY_REDUCE_MIN (-9) +#define YY_REDUCE_MAX (8) +static const signed char yy_reduce_ofst[] = { + /* 0 */ -3, -1, 8, 1, -9, +}; +static const YYACTIONTYPE yy_default[] = { + /* 0 */ 25, 25, 25, 25, 25, 19, 23, 25, 17, 20, + /* 10 */ 22, 24, 21, 18, 16, +}; + +/* The next table maps tokens into fallback tokens. If a construct +** like the following: +** +** %fallback ID X Y Z. +** +** appears in the grammar, 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 { + YYACTIONTYPE stateno; /* The state-number */ + YYCODETYPE 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 */ +#ifdef YYTRACKMAXSTACKDEPTH + int yyidxMax; /* Maximum value of yyidx */ +#endif + int yyerrcnt; /* Shifts left before out of the error */ + ParseARG_SDECL /* A place to hold %extra_argument */ +#if YYSTACKDEPTH<=0 + int yystksz; /* Current side of the stack */ + yyStackEntry *yystack; /* The parser's stack */ +#else + yyStackEntry yystack[YYSTACKDEPTH]; /* The parser's stack */ +#endif +}; +typedef struct yyParser yyParser; + +#ifndef NDEBUG +#include <stdio.h> +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: +** <ul> +** <li> A FILE* to which trace output should be written. +** If NULL, then tracing is turned off. +** <li> A prefix string written at the beginning of every +** line of trace output. If NULL, then tracing is +** turned off. +** </ul> +** +** Outputs: +** None. +*/ +void ParseTrace(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 *const yyTokenName[] = { + "$", "INSUP", "TOKEN", "FROM", + "COMMA", "JOIN", "error", "prog", + "statements", "statement", "tabledefs", "tabledef", +}; +#endif /* NDEBUG */ + +#ifndef NDEBUG +/* For tracing reduce actions, the names of all rules are required. +*/ +static const char *const yyRuleName[] = { + /* 0 */ "prog ::= statements", + /* 1 */ "statements ::= statements statement", + /* 2 */ "statements ::= statement", + /* 3 */ "statement ::= INSUP TOKEN", + /* 4 */ "statement ::= FROM tabledefs", + /* 5 */ "tabledefs ::= tabledef", + /* 6 */ "tabledefs ::= tabledefs COMMA tabledef", + /* 7 */ "tabledefs ::= tabledefs JOIN tabledef", + /* 8 */ "tabledef ::= TOKEN", + /* 9 */ "tabledef ::= TOKEN TOKEN", +}; +#endif /* NDEBUG */ + + +#if YYSTACKDEPTH<=0 +/* +** Try to increase the size of the parser stack. +*/ +static void yyGrowStack(yyParser *p){ + int newSize; + yyStackEntry *pNew; + + newSize = p->yystksz*2 + 100; + pNew = realloc(p->yystack, newSize*sizeof(pNew[0])); + if( pNew ){ + p->yystack = pNew; + p->yystksz = newSize; +#ifndef NDEBUG + if( yyTraceFILE ){ + fprintf(yyTraceFILE,"%sStack grows to %d entries!\n", + yyTracePrompt, p->yystksz); + } +#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 Parse and ParseFree. +*/ +void *ParseAlloc(void *(*mallocProc)(size_t)){ + yyParser *pParser; + pParser = (yyParser*)(*mallocProc)( (size_t)sizeof(yyParser) ); + if( pParser ){ + pParser->yyidx = -1; +#ifdef YYTRACKMAXSTACKDEPTH + pParser->yyidxMax = 0; +#endif +#if YYSTACKDEPTH<=0 + pParser->yystack = NULL; + pParser->yystksz = 0; + yyGrowStack(pParser); +#endif + } + 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( + yyParser *yypParser, /* The parser */ + YYCODETYPE yymajor, /* Type code for object to destroy */ + YYMINORTYPE *yypminor /* The object to be destroyed */ +){ + ParseARG_FETCH; + 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. + */ + /* TERMINAL Destructor */ + case 1: /* INSUP */ + case 2: /* TOKEN */ + case 3: /* FROM */ + case 4: /* COMMA */ + case 5: /* JOIN */ +{ +#line 14 "tsql.y" +free((yypminor->yy0)); +#line 375 "tsql.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(pParser, 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: +** <ul> +** <li> A pointer to the parser. This should be a pointer +** obtained from ParseAlloc. +** <li> A pointer to a function used to reclaim memory obtained +** from malloc. +** </ul> +*/ +void ParseFree( + 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); +#if YYSTACKDEPTH<=0 + free(pParser->yystack); +#endif + (*freeProc)((void*)pParser); +} + +/* +** Return the peak depth of the stack for a parser. +*/ +#ifdef YYTRACKMAXSTACKDEPTH +int ParseStackPeak(void *p){ + yyParser *pParser = (yyParser*)p; + return pParser->yyidxMax; +} +#endif + +/* +** 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 */ + YYCODETYPE iLookAhead /* The look-ahead token */ +){ + int i; + int stateno = pParser->yystack[pParser->yyidx].stateno; + + if( stateno>YY_SHIFT_COUNT + || (i = yy_shift_ofst[stateno])==YY_SHIFT_USE_DFLT ){ + return yy_default[stateno]; + } + assert( iLookAhead!=YYNOCODE ); + i += iLookAhead; + if( i<0 || i>=YY_ACTTAB_COUNT || yy_lookahead[i]!=iLookAhead ){ + if( iLookAhead>0 ){ +#ifdef YYFALLBACK + YYCODETYPE iFallback; /* Fallback token */ + if( iLookAhead<sizeof(yyFallback)/sizeof(yyFallback[0]) + && (iFallback = yyFallback[iLookAhead])!=0 ){ +#ifndef NDEBUG + if( yyTraceFILE ){ + fprintf(yyTraceFILE, "%sFALLBACK %s => %s\n", + yyTracePrompt, yyTokenName[iLookAhead], yyTokenName[iFallback]); + } +#endif + return yy_find_shift_action(pParser, iFallback); + } +#endif +#ifdef YYWILDCARD + { + int j = i - iLookAhead + YYWILDCARD; + if( +#if YY_SHIFT_MIN+YYWILDCARD<0 + j>=0 && +#endif +#if YY_SHIFT_MAX+YYWILDCARD>=YY_ACTTAB_COUNT + j<YY_ACTTAB_COUNT && +#endif + yy_lookahead[j]==YYWILDCARD + ){ +#ifndef NDEBUG + if( yyTraceFILE ){ + fprintf(yyTraceFILE, "%sWILDCARD %s => %s\n", + yyTracePrompt, yyTokenName[iLookAhead], yyTokenName[YYWILDCARD]); + } +#endif /* NDEBUG */ + return yy_action[j]; + } + } +#endif /* YYWILDCARD */ + } + 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( + int stateno, /* Current state number */ + YYCODETYPE iLookAhead /* The look-ahead token */ +){ + int i; +#ifdef YYERRORSYMBOL + if( stateno>YY_REDUCE_COUNT ){ + return yy_default[stateno]; + } +#else + assert( stateno<=YY_REDUCE_COUNT ); +#endif + i = yy_reduce_ofst[stateno]; + assert( i!=YY_REDUCE_USE_DFLT ); + assert( iLookAhead!=YYNOCODE ); + i += iLookAhead; +#ifdef YYERRORSYMBOL + if( i<0 || i>=YY_ACTTAB_COUNT || yy_lookahead[i]!=iLookAhead ){ + return yy_default[stateno]; + } +#else + assert( i>=0 && i<YY_ACTTAB_COUNT ); + assert( yy_lookahead[i]==iLookAhead ); +#endif + return yy_action[i]; +} + +/* +** The following routine is called if the stack overflows. +*/ +static void yyStackOverflow(yyParser *yypParser, YYMINORTYPE *yypMinor){ + ParseARG_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 */ + ParseARG_STORE; /* Suppress warning about unused %extra_argument var */ +} + +/* +** 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 to the minor token to shift in */ +){ + yyStackEntry *yytos; + yypParser->yyidx++; +#ifdef YYTRACKMAXSTACKDEPTH + if( yypParser->yyidx>yypParser->yyidxMax ){ + yypParser->yyidxMax = yypParser->yyidx; + } +#endif +#if YYSTACKDEPTH>0 + if( yypParser->yyidx>=YYSTACKDEPTH ){ + yyStackOverflow(yypParser, yypMinor); + return; + } +#else + if( yypParser->yyidx>=yypParser->yystksz ){ + yyGrowStack(yypParser); + if( yypParser->yyidx>=yypParser->yystksz ){ + yyStackOverflow(yypParser, yypMinor); + return; + } + } +#endif + yytos = &yypParser->yystack[yypParser->yyidx]; + yytos->stateno = (YYACTIONTYPE)yyNewState; + yytos->major = (YYCODETYPE)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 const 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[] = { + { 7, 1 }, + { 8, 2 }, + { 8, 1 }, + { 9, 2 }, + { 9, 2 }, + { 10, 1 }, + { 10, 3 }, + { 10, 3 }, + { 11, 1 }, + { 11, 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 */ + ParseARG_FETCH; + yymsp = &yypParser->yystack[yypParser->yyidx]; +#ifndef NDEBUG + if( yyTraceFILE && yyruleno>=0 + && yyruleno<(int)(sizeof(yyRuleName)/sizeof(yyRuleName[0])) ){ + fprintf(yyTraceFILE, "%sReduce [%s].\n", yyTracePrompt, + yyRuleName[yyruleno]); + } +#endif /* NDEBUG */ + + /* Silence complaints from purify about yygotominor being uninitialized + ** in some cases when it is copied into the stack after the following + ** switch. yygotominor is uninitialized when a rule reduces that does + ** not set the value of its left-hand side nonterminal. Leaving the + ** value of the nonterminal uninitialized is utterly harmless as long + ** as the value is never used. So really the only thing this code + ** accomplishes is to quieten purify. + ** + ** 2007-01-16: The wireshark project (www.wireshark.org) reports that + ** without this code, their parser segfaults. I'm not sure what there + ** parser is doing to make this happen. This is the second bug report + ** from wireshark this week. Clearly they are stressing Lemon in ways + ** that it has not been previously stressed... (SQLite ticket #2172) + */ + /*memset(&yygotominor, 0, sizeof(yygotominor));*/ + yygotominor = yyzerominor; + + + switch( yyruleno ){ + /* Beginning here are the reduction cases. A typical example + ** follows: + ** case 0: + ** #line <lineno> <grammarfile> + ** { ... } // User supplied code + ** #line <lineno> <thisfile> + ** break; + */ + case 3: /* statement ::= INSUP TOKEN */ +#line 19 "tsql.y" +{addTableDefNode(yymsp[0].minor.yy0, yymsp[0].minor.yy0);free(yymsp[0].minor.yy0); yy_destructor(yypParser,1,&yymsp[-1].minor); +} +#line 681 "tsql.c" + break; + case 4: /* statement ::= FROM tabledefs */ +#line 20 "tsql.y" +{ + yy_destructor(yypParser,3,&yymsp[-1].minor); +} +#line 688 "tsql.c" + break; + case 6: /* tabledefs ::= tabledefs COMMA tabledef */ +#line 22 "tsql.y" +{ + yy_destructor(yypParser,4,&yymsp[-1].minor); +} +#line 695 "tsql.c" + break; + case 7: /* tabledefs ::= tabledefs JOIN tabledef */ +#line 23 "tsql.y" +{ + yy_destructor(yypParser,5,&yymsp[-1].minor); +} +#line 702 "tsql.c" + break; + case 8: /* tabledef ::= TOKEN */ +#line 24 "tsql.y" +{addTableDefNode(yymsp[0].minor.yy0, yymsp[0].minor.yy0); free(yymsp[0].minor.yy0);} +#line 707 "tsql.c" + break; + case 9: /* tabledef ::= TOKEN TOKEN */ +#line 25 "tsql.y" +{addTableDefNode(yymsp[-1].minor.yy0, yymsp[0].minor.yy0); free(yymsp[-1].minor.yy0); free(yymsp[0].minor.yy0);} +#line 712 "tsql.c" + break; + default: + /* (0) prog ::= statements */ yytestcase(yyruleno==0); + /* (1) statements ::= statements statement */ yytestcase(yyruleno==1); + /* (2) statements ::= statement */ yytestcase(yyruleno==2); + /* (5) tabledefs ::= tabledef */ yytestcase(yyruleno==5); + break; + }; + yygoto = yyRuleInfo[yyruleno].lhs; + yysize = yyRuleInfo[yyruleno].nrhs; + yypParser->yyidx -= yysize; + yyact = yy_find_reduce_action(yymsp[-yysize].stateno,(YYCODETYPE)yygoto); + if( yyact < YYNSTATE ){ +#ifdef NDEBUG + /* If we are not debugging and the reduce action popped at least + ** one element off the stack, then we can push the new element back + ** onto the stack here, and skip the stack overflow test in yy_shift(). + ** That gives a significant speed improvement. */ + if( yysize ){ + yypParser->yyidx++; + yymsp -= yysize-1; + yymsp->stateno = (YYACTIONTYPE)yyact; + yymsp->major = (YYCODETYPE)yygoto; + yymsp->minor = yygotominor; + }else +#endif + { + yy_shift(yypParser,yyact,yygoto,&yygotominor); + } + }else{ + assert( yyact == YYNSTATE + YYNRULE + 1 ); + yy_accept(yypParser); + } +} + +/* +** The following code executes when the parse fails +*/ +#ifndef YYNOERRORRECOVERY +static void yy_parse_failed( + yyParser *yypParser /* The parser */ +){ + ParseARG_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 9 "tsql.y" + + //Actually we don't expect everything to parse. +#line 767 "tsql.c" + ParseARG_STORE; /* Suppress warning about unused %extra_argument variable */ +} +#endif /* YYNOERRORRECOVERY */ + +/* +** 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 */ +){ + ParseARG_FETCH; +#define TOKEN (yyminor.yy0) + ParseARG_STORE; /* Suppress warning about unused %extra_argument variable */ +} + +/* +** The following is executed when the parser accepts +*/ +static void yy_accept( + yyParser *yypParser /* The parser */ +){ + ParseARG_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 */ + ParseARG_STORE; /* Suppress warning about unused %extra_argument variable */ +} + +/* The main parser program. +** The first argument is a pointer to a structure obtained from +** "ParseAlloc" 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: +** <ul> +** <li> A pointer to the parser (an opaque structure.) +** <li> The major token number. +** <li> The minor token number. +** <li> An option argument of a grammar-specified type. +** </ul> +** +** Outputs: +** None. +*/ +void Parse( + void *yyp, /* The parser */ + int yymajor, /* The major token code number */ + ParseTOKENTYPE yyminor /* The value for the token */ + ParseARG_PDECL /* Optional %extra_argument parameter */ +){ + YYMINORTYPE yyminorunion; + int yyact; /* The parser action. */ + int yyendofinput; /* True if we are at the end of input */ +#ifdef YYERRORSYMBOL + int yyerrorhit = 0; /* True if yymajor has invoked an error */ +#endif + yyParser *yypParser; /* The parser */ + + /* (re)initialize the parser, if necessary */ + yypParser = (yyParser*)yyp; + if( yypParser->yyidx<0 ){ +#if YYSTACKDEPTH<=0 + if( yypParser->yystksz <=0 ){ + /*memset(&yyminorunion, 0, sizeof(yyminorunion));*/ + yyminorunion = yyzerominor; + yyStackOverflow(yypParser, &yyminorunion); + return; + } +#endif + yypParser->yyidx = 0; + yypParser->yyerrcnt = -1; + yypParser->yystack[0].stateno = 0; + yypParser->yystack[0].major = 0; + } + yyminorunion.yy0 = yyminor; + yyendofinput = (yymajor==0); + ParseARG_STORE; + +#ifndef NDEBUG + if( yyTraceFILE ){ + fprintf(yyTraceFILE,"%sInput %s\n",yyTracePrompt,yyTokenName[yymajor]); + } +#endif + + do{ + yyact = yy_find_shift_action(yypParser,(YYCODETYPE)yymajor); + if( yyact<YYNSTATE ){ + assert( !yyendofinput ); /* Impossible to shift the $ token */ + yy_shift(yypParser,yyact,yymajor,&yyminorunion); + yypParser->yyerrcnt--; + yymajor = YYNOCODE; + }else if( yyact < YYNSTATE + YYNRULE ){ + yy_reduce(yypParser,yyact-YYNSTATE); + }else{ + assert( yyact == YY_ERROR_ACTION ); +#ifdef YYERRORSYMBOL + int yymx; +#endif +#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(yypParser, (YYCODETYPE)yymajor,&yyminorunion); + yymajor = YYNOCODE; + }else{ + while( + yypParser->yyidx >= 0 && + yymx != YYERRORSYMBOL && + (yyact = yy_find_reduce_action( + yypParser->yystack[yypParser->yyidx].stateno, + YYERRORSYMBOL)) >= YYNSTATE + ){ + yy_pop_parser_stack(yypParser); + } + if( yypParser->yyidx < 0 || yymajor==0 ){ + yy_destructor(yypParser,(YYCODETYPE)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; +#elif defined(YYNOERRORRECOVERY) + /* If the YYNOERRORRECOVERY macro is defined, then do not attempt to + ** do any kind of error recovery. Instead, simply invoke the syntax + ** error routine and continue going as if nothing had happened. + ** + ** Applications can set this macro (for example inside %include) if + ** they intend to abandon the parse upon the first syntax error seen. + */ + yy_syntax_error(yypParser,yymajor,yyminorunion); + yy_destructor(yypParser,(YYCODETYPE)yymajor,&yyminorunion); + yymajor = YYNOCODE; + +#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(yypParser,(YYCODETYPE)yymajor,&yyminorunion); + if( yyendofinput ){ + yy_parse_failed(yypParser); + } + yymajor = YYNOCODE; +#endif + } + }while( yymajor!=YYNOCODE && yypParser->yyidx>=0 ); + return; +} diff --git a/src/sqsh_parser/tsql.h b/src/sqsh_parser/tsql.h new file mode 100644 index 0000000..690892d --- /dev/null +++ b/src/sqsh_parser/tsql.h @@ -0,0 +1,5 @@ +#define INSUP 1 +#define TOKEN 2 +#define FROM 3 +#define COMMA 4 +#define JOIN 5 diff --git a/src/sqsh_parser/tsql.yy.c b/src/sqsh_parser/tsql.yy.c new file mode 100644 index 0000000..0548c00 --- /dev/null +++ b/src/sqsh_parser/tsql.yy.c @@ -0,0 +1,2111 @@ +#line 2 "tsql.yy.c" + +#line 4 "tsql.yy.c" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 35 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <stdlib.h> + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include <inttypes.h> +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! C99 */ + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN (yy_start) = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START (((yy_start) - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE yyrestart(yyin ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k. + * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. + * Ditto for the __ia64__ case accordingly. + */ +#define YY_BUF_SIZE 32768 +#else +#define YY_BUF_SIZE 16384 +#endif /* __ia64__ */ +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +extern int yyleng; + +extern FILE *yyin, *yyout; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = (yy_hold_char); \ + YY_RESTORE_YY_MORE_OFFSET \ + (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, (yytext_ptr) ) + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via yyrestart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ + : NULL) + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] + +/* yy_hold_char holds the character lost when yytext is formed. */ +static char yy_hold_char; +static int yy_n_chars; /* number of characters read into yy_ch_buf */ +int yyleng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = (char *) 0; +static int yy_init = 0; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow yywrap()'s to do buffer switches + * instead of setting up a fresh yyin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +void yyrestart (FILE *input_file ); +void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ); +void yy_delete_buffer (YY_BUFFER_STATE b ); +void yy_flush_buffer (YY_BUFFER_STATE b ); +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ); +void yypop_buffer_state (void ); + +static void yyensure_buffer_stack (void ); +static void yy_load_buffer_state (void ); +static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ); + +#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ) + +YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ); +YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ); +YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len ); + +void *yyalloc (yy_size_t ); +void *yyrealloc (void *,yy_size_t ); +void yyfree (void * ); + +#define yy_new_buffer yy_create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +#define yywrap(n) 1 +#define YY_SKIP_YYWRAP + +typedef unsigned char YY_CHAR; + +FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; + +typedef int yy_state_type; + +extern int yylineno; + +int yylineno = 1; + +extern char *yytext; +#define yytext_ptr yytext + +static yy_state_type yy_get_previous_state (void ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); +static int yy_get_next_buffer (void ); +static void yy_fatal_error (yyconst char msg[] ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + (yytext_ptr) = yy_bp; \ + yyleng = (size_t) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ + *yy_cp = '\0'; \ + (yy_c_buf_p) = yy_cp; + +#define YY_NUM_RULES 17 +#define YY_END_OF_BUFFER 18 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_acclist[92] = + { 0, + 18, 15, 17, 16, 17, 15, 17, 15, 17, 15, + 17, 15, 17, 15, 17, 15, 17, 14, 15, 17, + 13, 15, 17, 7, 15, 17, 7, 15, 17, 7, + 15, 17, 7, 15, 17, 7, 15, 17, 7, 15, + 17, 15, 17, 15, 17, 10, 15, 17, 15, 17, + 7, 7, 7, 7,16390, 7, 7, 7, 10, 8, + 7, 7, 8198, 7, 7, 7, 9, 11, 12, 7, + 7,16389, 7, 7, 7, 4, 1, 8197, 7,16389, + 7,16389, 7,16390,16386,16386,16386, 8194, 8194,16387, + 8195 + + } ; + +static yyconst flex_int16_t yy_accept[95] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 2, 4, 6, + 8, 10, 12, 14, 16, 18, 21, 24, 27, 30, + 33, 36, 39, 42, 44, 46, 49, 51, 51, 51, + 51, 51, 51, 51, 52, 53, 54, 56, 57, 58, + 59, 59, 59, 60, 60, 60, 60, 60, 60, 60, + 60, 61, 62, 63, 64, 65, 66, 67, 67, 68, + 68, 69, 69, 70, 70, 70, 70, 70, 70, 71, + 73, 74, 75, 76, 76, 76, 77, 77, 78, 79, + 81, 83, 85, 86, 87, 88, 89, 90, 90, 90, + 90, 91, 92, 92 + + } ; + +static yyconst flex_int32_t yy_meta[257] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 1, 3, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 4, 4, 1, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 6, 1, 5, 1, 5, 5, 5, 5, + + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, + 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 5, 1, 1, 1, 1, 1, 5, 1, 1, + 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 7 + } ; + +static yyconst flex_int16_t yy_base[105] = + { 0, + 0, 7, 115, 0, 301, 0, 161, 525, 525, 0, + 0, 0, 2, 46, 0, 525, 525, 0, 4, 2, + 6, 3, 0, 0, 0, 0, 0, 10, 4, 15, + 21, 47, 123, 0, 17, 24, 2, 11, 25, 28, + 63, 120, 0, 60, 29, 30, 54, 68, 43, 117, + 525, 56, 51, 9, 67, 65, 56, 57, 525, 114, + 525, 0, 525, 55, 58, 11, 57, 16, 18, 23, + 60, 59, 75, 76, 62, 29, 78, 229, 231, 236, + 238, 243, 245, 256, 263, 272, 289, 133, 173, 180, + 274, 283, 525, 496, 3, 499, 2, 1, 501, 0, + + 505, 509, 514, 518 + } ; + +static yyconst flex_int16_t yy_def[105] = + { 0, + 94, 94, 94, 3, 94, 5, 93, 93, 93, 93, + 93, 93, 93, 93, 95, 93, 93, 96, 96, 96, + 96, 96, 96, 97, 98, 99, 100, 93, 93, 93, + 93, 93, 101, 96, 96, 96, 96, 96, 96, 96, + 102, 103, 99, 104, 93, 93, 93, 93, 93, 101, + 93, 96, 96, 93, 96, 96, 96, 102, 93, 103, + 93, 104, 93, 93, 93, 93, 93, 93, 96, 96, + 96, 96, 96, 93, 93, 93, 93, 93, 93, 96, + 96, 96, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 0, 93, 93, 93, 93, 93, 93, 93, + + 93, 93, 93, 93 + } ; + +static yyconst flex_int16_t yy_nxt[782] = + { 0, + 93, 93, 93, 93, 44, 42, 41, 33, 93, 9, + 54, 54, 93, 93, 54, 93, 9, 54, 54, 76, + 76, 54, 93, 76, 78, 78, 76, 76, 78, 93, + 76, 79, 79, 54, 93, 79, 93, 76, 76, 93, + 54, 76, 76, 93, 93, 93, 93, 78, 93, 76, + 93, 93, 93, 93, 79, 93, 93, 93, 93, 93, + 76, 93, 93, 93, 93, 93, 93, 10, 28, 93, + 36, 40, 11, 12, 10, 39, 93, 29, 30, 11, + 12, 31, 35, 37, 13, 45, 46, 47, 48, 52, + 38, 13, 63, 53, 55, 56, 57, 64, 65, 10, + + 28, 14, 36, 40, 11, 12, 10, 39, 14, 29, + 30, 11, 12, 31, 35, 37, 13, 45, 46, 47, + 48, 52, 38, 13, 9, 53, 55, 56, 57, 64, + 65, 66, 67, 69, 70, 71, 72, 73, 74, 75, + 77, 80, 81, 82, 83, 84, 85, 61, 15, 59, + 51, 68, 63, 61, 16, 59, 51, 49, 17, 32, + 93, 93, 93, 66, 67, 69, 70, 71, 72, 73, + 74, 75, 77, 80, 81, 82, 83, 84, 85, 18, + 18, 18, 18, 18, 18, 18, 18, 18, 19, 18, + 20, 18, 18, 21, 18, 18, 22, 18, 18, 18, + + 18, 23, 18, 18, 18, 24, 93, 93, 93, 18, + 89, 18, 18, 18, 18, 18, 18, 18, 18, 18, + 19, 18, 20, 18, 18, 21, 18, 18, 22, 18, + 18, 18, 18, 23, 18, 18, 18, 78, 78, 79, + 79, 78, 89, 79, 79, 79, 79, 79, 79, 93, + 79, 54, 54, 86, 86, 54, 90, 86, 91, 93, + 78, 93, 79, 93, 87, 87, 93, 79, 87, 79, + 93, 86, 86, 18, 54, 86, 86, 93, 18, 93, + 86, 86, 92, 92, 86, 93, 92, 87, 90, 93, + 91, 92, 92, 93, 86, 92, 18, 87, 87, 93, + + 93, 87, 18, 86, 93, 92, 93, 93, 93, 18, + 9, 93, 93, 93, 92, 93, 93, 93, 93, 93, + 87, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 25, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 88, 93, 93, 93, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, + 26, 27, 93, 88, 93, 26, 93, 26, 26, 26, + + 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, + 26, 26, 26, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 26, + 93, 93, 93, 93, 26, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 26, 93, 93, 93, 93, 93, 26, 93, + 93, 93, 93, 93, 93, 26, 8, 8, 8, 8, + + 8, 8, 34, 34, 43, 43, 50, 50, 50, 50, + 58, 93, 58, 58, 58, 60, 60, 60, 60, 62, + 93, 62, 62, 62, 7, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93 + } ; + +static yyconst flex_int16_t yy_chk[782] = + { 0, + 0, 0, 0, 0, 100, 98, 97, 95, 0, 1, + 37, 37, 0, 0, 37, 0, 2, 54, 54, 66, + 66, 54, 0, 66, 68, 68, 69, 69, 68, 0, + 69, 70, 70, 37, 0, 70, 0, 76, 76, 0, + 54, 76, 66, 0, 0, 0, 0, 68, 0, 69, + 0, 0, 0, 0, 70, 0, 0, 0, 0, 0, + 76, 0, 0, 0, 0, 0, 0, 1, 10, 0, + 20, 23, 1, 1, 2, 22, 0, 11, 12, 2, + 2, 13, 19, 21, 1, 28, 29, 30, 31, 35, + 21, 2, 62, 36, 38, 39, 40, 45, 46, 1, + + 10, 1, 20, 23, 1, 1, 2, 22, 2, 11, + 12, 2, 2, 13, 19, 21, 1, 28, 29, 30, + 31, 35, 21, 2, 3, 36, 38, 39, 40, 45, + 46, 47, 48, 52, 53, 55, 56, 57, 64, 65, + 67, 71, 72, 73, 74, 75, 77, 60, 3, 58, + 50, 49, 44, 42, 3, 41, 33, 32, 3, 14, + 7, 0, 0, 47, 48, 52, 53, 55, 56, 57, + 64, 65, 67, 71, 72, 73, 74, 75, 77, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + + 3, 3, 3, 3, 3, 3, 0, 0, 0, 3, + 88, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 78, 78, 79, + 79, 78, 88, 79, 80, 80, 81, 81, 80, 0, + 81, 82, 82, 83, 83, 82, 89, 83, 90, 0, + 78, 0, 79, 0, 84, 84, 0, 80, 84, 81, + 0, 85, 85, 3, 82, 85, 83, 0, 3, 0, + 86, 86, 91, 91, 86, 0, 91, 84, 89, 0, + 90, 92, 92, 0, 85, 92, 3, 87, 87, 0, + + 0, 87, 3, 86, 0, 91, 0, 0, 0, 3, + 5, 0, 0, 0, 92, 0, 0, 0, 0, 0, + 87, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 5, 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, 87, 0, 0, 0, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 0, 87, 0, 5, 0, 5, 5, 5, + + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 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, 5, + 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 5, 0, 0, 0, 0, 0, 5, 0, + 0, 0, 0, 0, 0, 5, 94, 94, 94, 94, + + 94, 94, 96, 96, 99, 99, 101, 101, 101, 101, + 102, 0, 102, 102, 102, 103, 103, 103, 103, 104, + 0, 104, 104, 104, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93 + } ; + +static yyconst yy_state_type yy_NUL_trans[93] = + { 0, + 8, 8, 8, 8, 8, 8, 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, 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, 0, 0, 0, 0, + 0, 0 + + } ; + +extern int yy_flex_debug; +int yy_flex_debug = 0; + +static yy_state_type *yy_state_buf=0, *yy_state_ptr=0; +static char *yy_full_match; +static int yy_lp; +static int yy_looking_for_trail_begin = 0; +static int yy_full_lp; +static int *yy_full_state; +#define YY_TRAILING_MASK 0x2000 +#define YY_TRAILING_HEAD_MASK 0x4000 +#define REJECT \ +{ \ +*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */ \ +yy_cp = (yy_full_match); /* restore poss. backed-over text */ \ +(yy_lp) = (yy_full_lp); /* restore orig. accepting pos. */ \ +(yy_state_ptr) = (yy_full_state); /* restore orig. state */ \ +yy_current_state = *(yy_state_ptr); /* restore curr. state */ \ +++(yy_lp); \ +goto find_rule; \ +} + +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +char *yytext; +#line 1 "tsql.l" +#line 2 "tsql.l" +#include "tsql.h" + +#define KW(w) {return w;} + + + +#line 708 "tsql.yy.c" + +#define INITIAL 0 +#define INFROM 1 +#define INDML 2 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include <unistd.h> +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +static int yy_init_globals (void ); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int yylex_destroy (void ); + +int yyget_debug (void ); + +void yyset_debug (int debug_flag ); + +YY_EXTRA_TYPE yyget_extra (void ); + +void yyset_extra (YY_EXTRA_TYPE user_defined ); + +FILE *yyget_in (void ); + +void yyset_in (FILE * in_str ); + +FILE *yyget_out (void ); + +void yyset_out (FILE * out_str ); + +int yyget_leng (void ); + +char *yyget_text (void ); + +int yyget_lineno (void ); + +void yyset_lineno (int line_number ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int yywrap (void ); +#else +extern int yywrap (void ); +#endif +#endif + + static void yyunput (int c,char *buf_ptr ); + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (void ); +#else +static int input (void ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k */ +#define YY_READ_BUF_SIZE 16384 +#else +#define YY_READ_BUF_SIZE 8192 +#endif /* __ia64__ */ +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + size_t n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int yylex (void); + +#define YY_DECL int yylex (void) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + register yy_state_type yy_current_state; + register char *yy_cp, *yy_bp; + register int yy_act; + +#line 20 "tsql.l" + + +#line 900 "tsql.yy.c" + + if ( !(yy_init) ) + { + (yy_init) = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + /* Create the reject buffer large enough to save one state per allowed character. */ + if ( ! (yy_state_buf) ) + (yy_state_buf) = (yy_state_type *)yyalloc(YY_STATE_BUF_SIZE ); + if ( ! (yy_state_buf) ) + YY_FATAL_ERROR( "out of dynamic memory in yylex()" ); + + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); + } + + yy_load_buffer_state( ); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = (yy_c_buf_p); + + /* Support of yytext. */ + *yy_cp = (yy_hold_char); + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = (yy_start); + + (yy_state_ptr) = (yy_state_buf); + *(yy_state_ptr)++ = yy_current_state; + +yy_match: + do + { + register YY_CHAR yy_c = YY_SC_TO_UI(*yy_cp); + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 94 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + *(yy_state_ptr)++ = yy_current_state; + ++yy_cp; + } + while ( yy_base[yy_current_state] != 525 ); + +yy_find_action: + yy_current_state = *--(yy_state_ptr); + (yy_lp) = yy_accept[yy_current_state]; +find_rule: /* we branch to this label when backing up */ + for ( ; ; ) /* until we find what rule we matched */ + { + if ( (yy_lp) && (yy_lp) < yy_accept[yy_current_state + 1] ) + { + yy_act = yy_acclist[(yy_lp)]; + if ( yy_act & YY_TRAILING_HEAD_MASK || + (yy_looking_for_trail_begin) ) + { + if ( yy_act == (yy_looking_for_trail_begin) ) + { + (yy_looking_for_trail_begin) = 0; + yy_act &= ~YY_TRAILING_HEAD_MASK; + break; + } + } + else if ( yy_act & YY_TRAILING_MASK ) + { + (yy_looking_for_trail_begin) = yy_act & ~YY_TRAILING_MASK; + (yy_looking_for_trail_begin) |= YY_TRAILING_HEAD_MASK; + } + else + { + (yy_full_match) = yy_cp; + (yy_full_state) = (yy_state_ptr); + (yy_full_lp) = (yy_lp); + break; + } + ++(yy_lp); + goto find_rule; + } + --yy_cp; + yy_current_state = *--(yy_state_ptr); + (yy_lp) = yy_accept[yy_current_state]; + } + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ +case 1: +/* rule 1 can match eol */ +*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */ +(yy_c_buf_p) = yy_cp = yy_bp + 4; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 22 "tsql.l" +{BEGIN INFROM; KW(FROM);} + YY_BREAK +case 2: +/* rule 2 can match eol */ +YY_RULE_SETUP +#line 23 "tsql.l" +{BEGIN INDML; KW(INSUP);} + YY_BREAK +case 3: +/* rule 3 can match eol */ +YY_RULE_SETUP +#line 24 "tsql.l" +{BEGIN INDML; KW(INSUP);} + YY_BREAK +case 4: +/* rule 4 can match eol */ +*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */ +(yy_c_buf_p) = yy_cp = yy_bp + 4; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 25 "tsql.l" +{BEGIN INFROM; KW(JOIN);} + YY_BREAK +case 5: +/* rule 5 can match eol */ +YY_RULE_SETUP +#line 26 "tsql.l" +{BEGIN INITIAL;} + YY_BREAK +case 6: +/* rule 6 can match eol */ +YY_RULE_SETUP +#line 27 "tsql.l" +{BEGIN INITIAL;} + YY_BREAK +case 7: +YY_RULE_SETUP +#line 28 "tsql.l" +{KW(TOKEN);} + YY_BREAK +case 8: +YY_RULE_SETUP +#line 29 "tsql.l" +{KW(TOKEN);} + YY_BREAK +case 9: +YY_RULE_SETUP +#line 30 "tsql.l" +{KW(TOKEN);} + YY_BREAK +case 10: +YY_RULE_SETUP +#line 31 "tsql.l" +{BEGIN INITIAL; KW(TOKEN);} + YY_BREAK +case 11: +YY_RULE_SETUP +#line 32 "tsql.l" +{BEGIN INITIAL; KW(TOKEN);} + YY_BREAK +case 12: +YY_RULE_SETUP +#line 33 "tsql.l" +{BEGIN INITIAL; KW(TOKEN);} + YY_BREAK +case 13: +YY_RULE_SETUP +#line 34 "tsql.l" +{KW(COMMA);} + YY_BREAK +case 14: +YY_RULE_SETUP +#line 35 "tsql.l" +{BEGIN INITIAL;} + YY_BREAK +case 15: +YY_RULE_SETUP +#line 36 "tsql.l" +; + YY_BREAK +case 16: +/* rule 16 can match eol */ +YY_RULE_SETUP +#line 37 "tsql.l" +; + YY_BREAK +case 17: +YY_RULE_SETUP +#line 40 "tsql.l" +ECHO; + YY_BREAK +#line 1110 "tsql.yy.c" + case YY_STATE_EOF(INITIAL): + case YY_STATE_EOF(INFROM): + case YY_STATE_EOF(INDML): + yyterminate(); + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = (yy_hold_char); + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * yylex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++(yy_c_buf_p); + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = (yy_c_buf_p); + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_END_OF_FILE: + { + (yy_did_buffer_switch_on_eof) = 0; + + if ( yywrap( ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = + (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + (yy_c_buf_p) = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ +} /* end of yylex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (void) +{ + register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + register char *source = (yytext_ptr); + register int number_to_move, i; + int ret_val; + + if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; + + else + { + int num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + YY_FATAL_ERROR( +"input buffer overflow, can't enlarge buffer because scanner uses REJECT" ); + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + (yy_n_chars), (size_t) num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + if ( (yy_n_chars) == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + yyrestart(yyin ); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + } + + (yy_n_chars) += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; + + (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (void) +{ + register yy_state_type yy_current_state; + register char *yy_cp; + + yy_current_state = (yy_start); + + (yy_state_ptr) = (yy_state_buf); + *(yy_state_ptr)++ = yy_current_state; + + for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) + { + if ( *yy_cp ) + { + register YY_CHAR yy_c = YY_SC_TO_UI(*yy_cp); + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 94 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + } + else + yy_current_state = yy_NUL_trans[yy_current_state]; + *(yy_state_ptr)++ = yy_current_state; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) +{ + register int yy_is_jam; + + yy_current_state = yy_NUL_trans[yy_current_state]; + yy_is_jam = (yy_current_state == 0); + + return yy_is_jam ? 0 : yy_current_state; +} + + static void yyunput (int c, register char * yy_bp ) +{ + register char *yy_cp; + + yy_cp = (yy_c_buf_p); + + /* undo effects of setting up yytext */ + *yy_cp = (yy_hold_char); + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + { /* need to shift things up to make room */ + /* +2 for EOB chars. */ + register int number_to_move = (yy_n_chars) + 2; + register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ + YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; + register char *source = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; + + while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + *--dest = *--source; + + yy_cp += (int) (dest - source); + yy_bp += (int) (dest - source); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size; + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + YY_FATAL_ERROR( "flex scanner push-back overflow" ); + } + + *--yy_cp = (char) c; + + (yytext_ptr) = yy_bp; + (yy_hold_char) = *yy_cp; + (yy_c_buf_p) = yy_cp; +} + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (void) +#else + static int input (void) +#endif + +{ + int c; + + *(yy_c_buf_p) = (yy_hold_char); + + if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + /* This was really a NUL. */ + *(yy_c_buf_p) = '\0'; + + else + { /* need more input */ + int offset = (yy_c_buf_p) - (yytext_ptr); + ++(yy_c_buf_p); + + switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + yyrestart(yyin ); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( yywrap( ) ) + return EOF; + + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = (yytext_ptr) + offset; + break; + } + } + } + + c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ + *(yy_c_buf_p) = '\0'; /* preserve yytext */ + (yy_hold_char) = *++(yy_c_buf_p); + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * + * @note This function does not reset the start condition to @c INITIAL . + */ + void yyrestart (FILE * input_file ) +{ + + if ( ! YY_CURRENT_BUFFER ){ + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); + } + + yy_init_buffer(YY_CURRENT_BUFFER,input_file ); + yy_load_buffer_state( ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * + */ + void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) +{ + + /* TODO. We should be able to replace this entire function body + * with + * yypop_buffer_state(); + * yypush_buffer_state(new_buffer); + */ + yyensure_buffer_stack (); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + yy_load_buffer_state( ); + + /* We don't actually know whether we did this switch during + * EOF (yywrap()) processing, but the only time this flag + * is looked at is after yywrap() is called, so it's safe + * to go ahead and always set it. + */ + (yy_did_buffer_switch_on_eof) = 1; +} + +static void yy_load_buffer_state (void) +{ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + (yy_hold_char) = *(yy_c_buf_p); +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * + * @return the allocated buffer state. + */ + YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + yy_init_buffer(b,file ); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with yy_create_buffer() + * + */ + void yy_delete_buffer (YY_BUFFER_STATE b ) +{ + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + yyfree((void *) b->yy_ch_buf ); + + yyfree((void *) b ); +} + +#ifndef __cplusplus +extern int isatty (int ); +#endif /* __cplusplus */ + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a yyrestart() or at EOF. + */ + static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) + +{ + int oerrno = errno; + + yy_flush_buffer(b ); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then yy_init_buffer was _probably_ + * called from yyrestart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * + */ + void yy_flush_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + yy_load_buffer_state( ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * + */ +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) +{ + if (new_buffer == NULL) + return; + + yyensure_buffer_stack(); + + /* This block is copied from yy_switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + (yy_buffer_stack_top)++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from yy_switch_to_buffer. */ + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * + */ +void yypop_buffer_state (void) +{ + if (!YY_CURRENT_BUFFER) + return; + + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + if ((yy_buffer_stack_top) > 0) + --(yy_buffer_stack_top); + + if (YY_CURRENT_BUFFER) { + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void yyensure_buffer_stack (void) +{ + int num_to_alloc; + + if (!(yy_buffer_stack)) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + (yy_buffer_stack_max) = num_to_alloc; + (yy_buffer_stack_top) = 0; + return; + } + + if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc + ((yy_buffer_stack), + num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); + (yy_buffer_stack_max) = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + yy_switch_to_buffer(b ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to yylex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * yy_scan_bytes() instead. + */ +YY_BUFFER_STATE yy_scan_string (yyconst char * yystr ) +{ + + return yy_scan_bytes(yystr,strlen(yystr) ); +} + +/** Setup the input buffer state to scan the given bytes. The next call to yylex() will + * scan from a @e copy of @a bytes. + * @param yybytes the byte buffer to scan + * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, int _yybytes_len ) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + int i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = _yybytes_len + 2; + buf = (char *) yyalloc(n ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = yy_scan_buffer(buf,n ); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yy_fatal_error (yyconst char* msg ) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + yytext[yyleng] = (yy_hold_char); \ + (yy_c_buf_p) = yytext + yyless_macro_arg; \ + (yy_hold_char) = *(yy_c_buf_p); \ + *(yy_c_buf_p) = '\0'; \ + yyleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the current line number. + * + */ +int yyget_lineno (void) +{ + + return yylineno; +} + +/** Get the input stream. + * + */ +FILE *yyget_in (void) +{ + return yyin; +} + +/** Get the output stream. + * + */ +FILE *yyget_out (void) +{ + return yyout; +} + +/** Get the length of the current token. + * + */ +int yyget_leng (void) +{ + return yyleng; +} + +/** Get the current token. + * + */ + +char *yyget_text (void) +{ + return yytext; +} + +/** Set the current line number. + * @param line_number + * + */ +void yyset_lineno (int line_number ) +{ + + yylineno = line_number; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * + * @see yy_switch_to_buffer + */ +void yyset_in (FILE * in_str ) +{ + yyin = in_str ; +} + +void yyset_out (FILE * out_str ) +{ + yyout = out_str ; +} + +int yyget_debug (void) +{ + return yy_flex_debug; +} + +void yyset_debug (int bdebug ) +{ + yy_flex_debug = bdebug ; +} + +static int yy_init_globals (void) +{ + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from yylex_destroy(), so don't allocate here. + */ + + (yy_buffer_stack) = 0; + (yy_buffer_stack_top) = 0; + (yy_buffer_stack_max) = 0; + (yy_c_buf_p) = (char *) 0; + (yy_init) = 0; + (yy_start) = 0; + + (yy_state_buf) = 0; + (yy_state_ptr) = 0; + (yy_full_match) = 0; + (yy_lp) = 0; + +/* Defined in main.c */ +#ifdef YY_STDINIT + yyin = stdin; + yyout = stdout; +#else + yyin = (FILE *) 0; + yyout = (FILE *) 0; +#endif + + /* For future reference: Set errno on error, since we are called by + * yylex_init() + */ + return 0; +} + +/* yylex_destroy is for both reentrant and non-reentrant scanners. */ +int yylex_destroy (void) +{ + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + yypop_buffer_state(); + } + + /* Destroy the stack itself. */ + yyfree((yy_buffer_stack) ); + (yy_buffer_stack) = NULL; + + yyfree ( (yy_state_buf) ); + (yy_state_buf) = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * yylex() is called, initialization will occur. */ + yy_init_globals( ); + + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) +{ + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s ) +{ + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *yyalloc (yy_size_t size ) +{ + return (void *) malloc( size ); +} + +void *yyrealloc (void * ptr, yy_size_t size ) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); +} + +void yyfree (void * ptr ) +{ + free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + +#line 40 "tsql.l" + + + +int testlex(char *buffer) +{ + yy_scan_string(buffer); + int rl; + + while ((rl=yylex())!=0){ + printf("Token: %i yytext: %s\n", rl, yytext); + } + yylex_destroy(); + return 0; +} + +extern void *ParseAlloc(void *(*mallocProc)(size_t)); +extern void ParseFree(void *p, void (*freeProc)(void*)); +extern void Parse(void *yyp, int yymajor, void* yyminor); +void parseSql(char* sql) { + int lr; + void* pParser = ParseAlloc(malloc); + + yy_scan_string(sql); + + while ((lr=yylex())!=0){ + Parse(pParser, lr, strdup(yytext)); + } + Parse(pParser, 0, NULL); + ParseFree(pParser, free); + yylex_destroy(); +} + |