You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
131 lines
3.6 KiB
131 lines
3.6 KiB
/* Copyright (C) Microsoft Corporation, 1998. All rights reserved. */
|
|
|
|
#ifndef _GETSYM_H_
|
|
#define _GETSYM_H_
|
|
|
|
#define INPUT_BUFFER_SIZE 4096
|
|
#define OUTPUT_BUFFER_SIZE 4096
|
|
|
|
#define INVALID_CHAR ((char) 0)
|
|
|
|
class CInput
|
|
{
|
|
public:
|
|
|
|
CInput ( BOOL *pfRetCode, LPSTR pszPathName, UINT cbBufSize = INPUT_BUFFER_SIZE );
|
|
~CInput ( void );
|
|
|
|
void NextChar ( void );
|
|
void PeekChars ( UINT cChars, LPSTR pszChars );
|
|
void SkipChars ( UINT cChars );
|
|
char GetChar ( void ) { return (char)m_chCurr; }
|
|
|
|
BOOL IsEOF ( void )
|
|
{
|
|
return (m_fEndOfFile && (m_nCurrOffset >= m_cbValidData));
|
|
}
|
|
|
|
UINT GetFileSize ( void ) { return m_cbFileSize; }
|
|
BOOL Rewind ( void );
|
|
|
|
private:
|
|
|
|
BOOL CheckBuffer ( UINT cChars );
|
|
|
|
LPSTR m_pszPathName;
|
|
UINT m_chCurr;
|
|
UINT m_nCurrOffset;
|
|
BOOL m_fEndOfFile;
|
|
UINT m_cbBufSize;
|
|
LPBYTE m_pbDataBuf;
|
|
UINT m_cbValidData;
|
|
HANDLE m_hFile;
|
|
UINT m_cbFileSize;
|
|
};
|
|
|
|
|
|
|
|
typedef enum
|
|
{
|
|
SYMBOL_UNKNOWN, // initial value
|
|
SYMBOL_EOF,
|
|
SYMBOL_IDENTIFIER,
|
|
SYMBOL_KEYWORD,
|
|
SYMBOL_SPECIAL,
|
|
SYMBOL_NUMBER,
|
|
SYMBOL_DEFINITION, // "::="
|
|
SYMBOL_COMMENT, // "--"
|
|
SYMBOL_DOTDOTDOT, // "..."
|
|
SYMBOL_SPACE,
|
|
SYMBOL_SPACE_EOL,
|
|
SYMBOL_FIELD, // "&Type"
|
|
}
|
|
SYMBOL_ID;
|
|
|
|
|
|
class CSymbol
|
|
{
|
|
public:
|
|
|
|
CSymbol ( CInput *pInput );
|
|
~CSymbol ( void ) { }
|
|
|
|
BOOL NextSymbol ( void );
|
|
BOOL NextUsefulSymbol ( void );
|
|
|
|
SYMBOL_ID GetID ( void ) { return m_eSymbolID; }
|
|
UINT GetStrLen ( void ) { return m_cchSymbolStr; }
|
|
LPSTR GetStr ( void ) { return &m_szSymbolStr[0]; }
|
|
|
|
BOOL IsSpecial ( void ) { return (SYMBOL_SPECIAL == m_eSymbolID); }
|
|
BOOL IsSpecialChar ( char ch ) { return (IsSpecial() && ch == m_szSymbolStr[0]); }
|
|
|
|
BOOL IsLeftBigBracket ( void ) { return IsSpecialChar('{'); }
|
|
BOOL IsRightBigBracket ( void ) { return IsSpecialChar('}'); }
|
|
BOOL IsComma ( void ) { return IsSpecialChar(','); }
|
|
BOOL IsDot ( void ) { return IsSpecialChar('.'); }
|
|
BOOL IsLeftParenth ( void ) { return IsSpecialChar('('); }
|
|
BOOL IsRightParenth ( void ) { return IsSpecialChar(')'); }
|
|
BOOL IsSemicolon ( void ) { return IsSpecialChar(';'); }
|
|
BOOL IsComment ( void ) { return (SYMBOL_COMMENT == m_eSymbolID); }
|
|
|
|
private:
|
|
|
|
CInput *m_pInput;
|
|
SYMBOL_ID m_eSymbolID;
|
|
UINT m_cchSymbolStr;
|
|
char m_szSymbolStr[MAX_PATH];
|
|
};
|
|
|
|
|
|
|
|
|
|
class COutput
|
|
{
|
|
public:
|
|
|
|
COutput ( BOOL *pfRetCode, LPSTR pszPathName, UINT cbBufSize = OUTPUT_BUFFER_SIZE );
|
|
~COutput ( void );
|
|
|
|
void Flush ( void ) { ::FlushFileBuffers(m_hFile); }
|
|
|
|
BOOL Write ( LPBYTE pbDataBuf, UINT cbData );
|
|
BOOL Write ( LPSTR pszDataBuf, UINT cbData ) { return Write((LPBYTE) pszDataBuf, cbData); }
|
|
BOOL Write ( LPCSTR pszDataBuf, UINT cbData ) { return Write((LPBYTE) pszDataBuf, cbData); }
|
|
BOOL Write ( CSymbol *pSym ) { return Write(pSym->GetStr(), pSym->GetStrLen()); }
|
|
|
|
BOOL Writeln ( LPBYTE pbDataBuf, UINT cbData );
|
|
BOOL Writeln ( LPSTR pszDataBuf, UINT cbData ) { return Writeln((LPBYTE) pszDataBuf, cbData); }
|
|
BOOL Writeln ( LPCSTR pszDataBuf, UINT cbData ) { return Writeln((LPBYTE) pszDataBuf, cbData); }
|
|
|
|
private:
|
|
|
|
LPSTR m_pszPathName;
|
|
UINT m_cbBufSize;
|
|
LPBYTE m_pbDataBuf;
|
|
UINT m_cbValidData;
|
|
HANDLE m_hFile;
|
|
};
|
|
|
|
|
|
#endif // _GETSYM_H_
|