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- /**
- * This file has no copyright assigned and is placed in the Public Domain.
- * This file is part of the mingw-w64 runtime package.
- * No warranty is given; refer to the file DISCLAIMER.PD within this package.
- */
- #ifndef _SQL_1_H_
- #define _SQL_1_H_
- struct SQL_LEVEL_1_TOKEN {
- enum { OP_EXPRESSION = 1,TOKEN_AND,TOKEN_OR,TOKEN_NOT };
- enum { IFUNC_NONE = 0,IFUNC_UPPER = 1,IFUNC_LOWER = 2 };
- int nTokenType;
- enum { OP_EQUAL = 1,OP_NOT_EQUAL,OP_EQUALorGREATERTHAN,OP_EQUALorLESSTHAN,OP_LESSTHAN,OP_GREATERTHAN,OP_LIKE };
- BSTR pPropertyName;
- int nOperator;
- WINBOOL bConstIsStrNumeric;
- VARIANT vConstValue;
- BSTR pPropName2;
- DWORD dwPropertyFunction;
- DWORD dwConstFunction;
- SQL_LEVEL_1_TOKEN();
- SQL_LEVEL_1_TOKEN(SQL_LEVEL_1_TOKEN&);
- ~SQL_LEVEL_1_TOKEN();
- SQL_LEVEL_1_TOKEN& operator=(SQL_LEVEL_1_TOKEN &Src);
- void Dump(FILE *);
- };
- struct SQL_LEVEL_1_RPN_EXPRESSION {
- int nNumTokens;
- int nCurSize;
- SQL_LEVEL_1_TOKEN *pArrayOfTokens;
- BSTR bsClassName;
- int nNumberOfProperties;
- int nCurPropSize;
- BSTR *pbsRequestedPropertyNames;
- SQL_LEVEL_1_RPN_EXPRESSION();
- ~SQL_LEVEL_1_RPN_EXPRESSION();
- void AddToken(SQL_LEVEL_1_TOKEN *pTok);
- void AddToken(SQL_LEVEL_1_TOKEN &pTok);
- void AddProperty(LPWSTR pProp);
- void Dump(const char *pszTextFile);
- };
- class SQL1_Parser {
- CGenLexer *m_pLexer;
- int m_nLine;
- wchar_t *m_pTokenText;
- int m_nCurrentToken;
- SQL_LEVEL_1_RPN_EXPRESSION *m_pExpression;
- void Cleanup();
- void Init(CGenLexSource *pSrc);
- VARIANT m_vTypedConst;
- int m_nRelOp;
- DWORD m_dwConstFunction;
- DWORD m_dwPropFunction;
- LPWSTR m_pIdent;
- LPWSTR m_pPropComp;
- WINBOOL m_bConstIsStrNumeric;
- WINBOOL Next();
- int parse();
- int prop_list();
- int class_name();
- int opt_where();
- int expr();
- int property_name();
- int prop_list_2();
- int term();
- int expr2();
- int simple_expr();
- int term2();
- int leading_ident_expr();
- int finalize();
- int rel_operator();
- int equiv_operator();
- int comp_operator();
- int is_operator();
- int trailing_prop_expr();
- int trailing_prop_expr2();
- int trailing_or_null();
- int trailing_const_expr();
- int unknown_func_expr();
- int typed_constant();
- public:
- enum {
- SUCCESS,SYNTAX_ERROR,LEXICAL_ERROR,FAILED,BUFFER_TOO_SMALL
- };
- SQL1_Parser(CGenLexSource *pSrc);
- ~SQL1_Parser();
- int GetQueryClass(LPWSTR pBuf,int nBufSize);
- int Parse(SQL_LEVEL_1_RPN_EXPRESSION **pOutput);
- int CurrentLine() { return m_nLine; }
- LPWSTR CurrentToken() { return m_pTokenText; }
- void SetSource(CGenLexSource *pSrc);
- };
- #endif
|
