--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/lexerScanner.h Sun Mar 30 21:51:23 2014 +0300
@@ -0,0 +1,112 @@
+/*
+ Copyright 2012-2014 Santeri Piippo
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ 3. The name of the author may not be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef BOTC_LEXER_SCANNER_H
+#define BOTC_LEXER_SCANNER_H
+
+#include <climits>
+#include "main.h"
+
+class LexerScanner
+{
+ public:
+ struct PositionInfo
+ {
+ char* pos;
+ int line;
+ };
+
+ // Flags for check_string()
+ enum
+ {
+ FCheckWord = (1 << 0), // must be followed by whitespace
+ FCheckPeek = (1 << 1), // don't advance cursor
+ };
+
+ static inline bool isSymbolChar (char c, bool allownumbers)
+ {
+ if (allownumbers && (c >= '0' && c <= '9'))
+ return true;
+
+ return (c >= 'a' && c <= 'z') ||
+ (c >= 'A' && c <= 'Z') ||
+ (c == '_');
+ }
+
+ LexerScanner (FILE* fp);
+ ~LexerScanner();
+ bool getNextToken();
+ String readLine();
+
+ inline const String& getTokenText() const
+ {
+ return m_tokenText;
+ }
+
+ inline int getLine() const
+ {
+ return m_line;
+ }
+
+ inline int getColumn() const
+ {
+ return m_position - m_lineBreakPosition;
+ }
+
+ inline ETokenType getTokenType() const
+ {
+ return m_tokenType;
+ }
+
+ static String getTokenString (ETokenType a);
+
+ private:
+ char* m_data;
+ char* m_position;
+ char* m_lineBreakPosition;
+ String m_tokenText,
+ m_lastToken;
+ ETokenType m_tokenType;
+ int m_line;
+
+ bool checkString (const char* c, int flags = 0);
+
+ // Yields a copy of the current position information.
+ PositionInfo getPosition() const;
+
+ // Sets the current position based on given data.
+ void setPosition (const PositionInfo& a);
+
+ // Skips one character
+ void skip();
+
+ // Skips many characters
+ void skip (int chars);
+};
+
+#endif // BOTC_LEXER_SCANNER_H