| 1 | /**
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| 2 | * This file has no copyright assigned and is placed in the Public Domain.
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| 3 | * This file is part of the mingw-w64 runtime package.
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| 4 | * No warranty is given; refer to the file DISCLAIMER.PD within this package.
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| 5 | */
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| 6 | #ifndef _SQL_1_H_
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| 7 | #define _SQL_1_H_
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| 8 |
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| 9 | struct SQL_LEVEL_1_TOKEN {
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| 10 | enum { OP_EXPRESSION = 1,TOKEN_AND,TOKEN_OR,TOKEN_NOT };
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| 11 | enum { IFUNC_NONE = 0,IFUNC_UPPER = 1,IFUNC_LOWER = 2 };
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| 12 | int nTokenType;
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| 13 | enum { OP_EQUAL = 1,OP_NOT_EQUAL,OP_EQUALorGREATERTHAN,OP_EQUALorLESSTHAN,OP_LESSTHAN,OP_GREATERTHAN,OP_LIKE };
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| 14 | BSTR pPropertyName;
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| 15 | int nOperator;
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| 16 | WINBOOL bConstIsStrNumeric;
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| 17 | VARIANT vConstValue;
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| 18 | BSTR pPropName2;
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| 19 | DWORD dwPropertyFunction;
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| 20 | DWORD dwConstFunction;
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| 21 | SQL_LEVEL_1_TOKEN();
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| 22 | SQL_LEVEL_1_TOKEN(SQL_LEVEL_1_TOKEN&);
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| 23 | ~SQL_LEVEL_1_TOKEN();
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| 24 | SQL_LEVEL_1_TOKEN& operator=(SQL_LEVEL_1_TOKEN &Src);
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| 25 | void Dump(FILE *);
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| 26 | };
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| 27 |
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| 28 | struct SQL_LEVEL_1_RPN_EXPRESSION {
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| 29 | int nNumTokens;
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| 30 | int nCurSize;
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| 31 | SQL_LEVEL_1_TOKEN *pArrayOfTokens;
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| 32 | BSTR bsClassName;
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| 33 | int nNumberOfProperties;
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| 34 | int nCurPropSize;
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| 35 | BSTR *pbsRequestedPropertyNames;
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| 36 | SQL_LEVEL_1_RPN_EXPRESSION();
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| 37 | ~SQL_LEVEL_1_RPN_EXPRESSION();
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| 38 | void AddToken(SQL_LEVEL_1_TOKEN *pTok);
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| 39 | void AddToken(SQL_LEVEL_1_TOKEN &pTok);
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| 40 | void AddProperty(LPWSTR pProp);
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| 41 | void Dump(const char *pszTextFile);
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| 42 | };
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| 43 |
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| 44 | class SQL1_Parser {
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| 45 | CGenLexer *m_pLexer;
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| 46 | int m_nLine;
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| 47 | wchar_t *m_pTokenText;
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| 48 | int m_nCurrentToken;
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| 49 | SQL_LEVEL_1_RPN_EXPRESSION *m_pExpression;
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| 50 | void Cleanup();
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| 51 | void Init(CGenLexSource *pSrc);
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| 52 | VARIANT m_vTypedConst;
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| 53 | int m_nRelOp;
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| 54 | DWORD m_dwConstFunction;
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| 55 | DWORD m_dwPropFunction;
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| 56 | LPWSTR m_pIdent;
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| 57 | LPWSTR m_pPropComp;
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| 58 | WINBOOL m_bConstIsStrNumeric;
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| 59 | WINBOOL Next();
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| 60 | int parse();
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| 61 | int prop_list();
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| 62 | int class_name();
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| 63 | int opt_where();
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| 64 | int expr();
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| 65 | int property_name();
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| 66 | int prop_list_2();
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| 67 | int term();
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| 68 | int expr2();
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| 69 | int simple_expr();
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| 70 | int term2();
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| 71 | int leading_ident_expr();
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| 72 | int finalize();
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| 73 | int rel_operator();
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| 74 | int equiv_operator();
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| 75 | int comp_operator();
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| 76 | int is_operator();
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| 77 | int trailing_prop_expr();
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| 78 | int trailing_prop_expr2();
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| 79 | int trailing_or_null();
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| 80 | int trailing_const_expr();
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| 81 | int unknown_func_expr();
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| 82 | int typed_constant();
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| 83 | public:
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| 84 | enum {
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| 85 | SUCCESS,SYNTAX_ERROR,LEXICAL_ERROR,FAILED,BUFFER_TOO_SMALL
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| 86 | };
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| 87 | SQL1_Parser(CGenLexSource *pSrc);
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| 88 | ~SQL1_Parser();
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| 89 | int GetQueryClass(LPWSTR pBuf,int nBufSize);
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| 90 | int Parse(SQL_LEVEL_1_RPN_EXPRESSION **pOutput);
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| 91 | int CurrentLine() { return m_nLine; }
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| 92 | LPWSTR CurrentToken() { return m_pTokenText; }
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| 93 | void SetSource(CGenLexSource *pSrc);
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| 94 | };
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| 95 | #endif
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