Utils/Scripter/mylexer.cpp

@@ -0,0 +1,130 @@
+/*=========================================================================
+
+	mylexer.cpp
+
+	Author:		PKG
+	Created: 
+	Project:	Spongebob
+	Purpose: 
+
+	Copyright (c) 2000 Climax Development Ltd
+
+===========================================================================*/
+
+
+/*----------------------------------------------------------------------
+	Includes
+	-------- */
+
+#include "lexer.h"
+#include "parser.h"
+
+
+/*	Std Lib
+	------- */
+
+#include <yacc.h>
+
+
+/*	Data
+	---- */
+
+/*----------------------------------------------------------------------
+	Tyepdefs && Defines
+	------------------- */
+
+/*----------------------------------------------------------------------
+	Structure defintions
+	-------------------- */
+
+/*----------------------------------------------------------------------
+	Function Prototypes
+	------------------- */
+
+/*----------------------------------------------------------------------
+	Vars
+	---- */
+
+/*----------------------------------------------------------------------
+	Function:
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+int	mylexer::openInputFile(char *_filename)
+{
+	return openPFile(_filename);	
+}
+
+
+/*----------------------------------------------------------------------
+	Function:
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+int mylexer::closeInputFile()
+{
+	return closePFile();
+}
+
+
+/*----------------------------------------------------------------------
+	Function:
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+int mylexer::yygetchar()
+{
+	char	c;
+	int		ret;
+	FILE	*fh;
+
+
+	fh=getPFileFh();
+	if(fh)
+	{
+		if(fread(&c,sizeof(c),1,fh)==1)
+		{
+			m_charCount++;
+			m_currentCharOnLine++;
+			if(c=='\n')
+			{
+				m_lineCount++;
+				m_currentCharOnLine=0;
+			}
+			ret=c;
+		}
+		else
+		{
+			ret=-1;
+			if(ferror(fh))
+			{
+				printf("FATAL: Read error!\n");
+			}
+			else
+			{				
+				closePFile();
+				return yygetchar();
+			}
+		}
+
+		// Force compilation to stop after finding errors ( hmm.. )
+		if(m_errorCount)
+		{
+			printf("Stopping compilation!\n");
+			ret=-1;
+		}
+	}
+	else
+	{
+		ret=-1;
+	}
+	
+	return ret;
+}
+
+
+/*===========================================================================
+ end */