v4k-git-backup/tools/tcc-winapi/winapi/sql_1.h

96 lines
2.5 KiB
C++

/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the w64 mingw-runtime package.
* No warranty is given; refer to the file DISCLAIMER 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