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