Utils/Scripter/prepro.cpp

@@ -22,6 +22,7 @@
 /*	Std Lib
 	------- */
 
+#include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 
@@ -36,14 +37,49 @@
 /*----------------------------------------------------------------------
 	Structure defintions
 	-------------------- */
+typedef struct
+{
+	char	*m_cmd;
+	int		(*m_func)(char *_cmd);
+} PreproCmd;
+
+
+typedef struct _macro
+{
+	char	*m_name;
+	char	*m_replacement;
+	_macro	*m_next;
+} Macro;
+
 
 /*----------------------------------------------------------------------
 	Function Prototypes
 	------------------- */
 
+static int	ppf_define(char *_cmd);
+static int	ppf_include(char *_cmd);
+static int	ppf_print(char *_cmd);
+
+static int addMacro(char *_name,char *_replacement);
+
+
 /*----------------------------------------------------------------------
 	Vars
 	---- */
+static PreproCmd s_preproCmds[]=
+{
+	{	"define",	ppf_define	},
+	{	"include",	ppf_include	},
+	{	"print",	ppf_print	},
+};
+static int		s_numPreproCmds=sizeof(s_preproCmds)/sizeof(PreproCmd);
+
+
+static Macro	*s_macros;
+
+static char	s_seps[]=" \t";
+
+
 
 /*----------------------------------------------------------------------
 	Function:
@@ -51,6 +87,129 @@
 	Params:
 	Returns:
   ---------------------------------------------------------------------- */
+extern int preprocessorCmd(char *_cmd)
+{
+	int			i;
+	PreproCmd	*pp;
+
+	pp=s_preproCmds;
+	for(i=0;i<s_numPreproCmds;i++)
+	{
+		if(strnicmp(_cmd,pp->m_cmd,strlen(pp->m_cmd))==0)
+		{
+			return pp->m_func(_cmd);
+		}
+		pp++;
+	}
+
+	printf("UNKNOWN PREPROCESSOR CMD '%s'\n",_cmd);
+	return 1;
+}
+
+
+/*----------------------------------------------------------------------
+	Function:
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+static int ppf_define(char *_cmd)
+{
+	char	*macroName;
+	char	*macroReplacement;
+
+	macroName=strtok(_cmd,s_seps);
+	macroName=strtok(NULL,s_seps);
+	macroReplacement=strtok(NULL,s_seps);
+
+	return addMacro(macroName,macroReplacement);
+}
+
+
+/*----------------------------------------------------------------------
+	Function:
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+static int ppf_include(char *_cmd)
+{
+	char	*includeFile;
+	
+	includeFile=strtok(_cmd,s_seps);
+	includeFile=strtok(NULL,s_seps);
+	
+//	printf("include: '%s'\n",includeFile);
+	
+	return 0;
+}
+
+
+/*----------------------------------------------------------------------
+	Function:
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+static int ppf_print(char *_cmd)
+{
+	char	*printMessage;
+	
+	printMessage=strtok(_cmd,s_seps);
+	printMessage=strtok(NULL,s_seps);
+	
+	printf("#print %s\n",printMessage);
+	
+	return 0;
+}
+
+
+
+
+/*----------------------------------------------------------------------
+	Function:
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+static int addMacro(char *_name,char *_replacement)
+{
+	Macro	*mac,*newMac;
+
+	mac=s_macros;
+	while(mac&&mac->m_next)
+	{
+		if(strcmp(_name,mac->m_replacement)==0)
+		{
+			printf("MACRO '%s' ALREADY DEFINED\n",_name);
+			return -1;
+		}
+	}
+
+	newMac=(Macro*)malloc(sizeof(Macro));
+	newMac->m_name=(char*)malloc(strlen(_name+1));
+	newMac->m_replacement=(char*)malloc(strlen(_name+1));
+	strcpy(newMac->m_name,_name);
+	strcpy(newMac->m_replacement,_replacement);
+	newMac->m_next=s_macros;
+	s_macros=newMac;
+
+	return 0;
+}
+
+
+/*----------------------------------------------------------------------
+	Function:
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+extern char *lookupMacro(char *_name)
+{
+	return NULL;
+}
+
+
 
 /*===========================================================================
  end */