www.pudn.com > HEC-win32.zip > main.cpp

/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 
+                                                                   + 
+ main.cpp - this is the boot-strap file				    		+ 
+                                                                   + 
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ 
 
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 
+ ANSI includes                                                     +  
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ 
 
#include 
#include 
#include 
 
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 
+ virtual machine includes                                          +  
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ 
 
#ifdef WINDOWS_32 
#include 
#endif 
#ifdef LINUX_x86 
#include 
#endif 
 
#include	 
#include		 
 
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++  
+ prototypes                                                        + 
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ 
 
void main(int argc, char *argv[]); 
void shutDown(U1 code); 
 
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 
+ assembler components                                              + 
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ 
 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
 
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++  
+ macros                                                            + 
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ 
 
/*#define MAIN_DEBUG		1*/ 
 
#ifdef	MAIN_DEBUG 
#define	MAIN_DEBUG0(arg);				printf("main(): ");printf(arg); 
#define MAIN_DEBUG1(arg1,arg2);			printf("main(): ");printf(arg1,arg2); 
#define MAIN_DEBUG2(arg1,arg2,arg3);	printf("main(): ");printf(arg1,arg2,arg3); 
#else 
#define	MAIN_DEBUG0(arg); 
#define MAIN_DEBUG1(arg1,arg2); 
#define MAIN_DEBUG2(arg1,arg2,arg3); 
#endif 
 
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++  
+ function definitions                                              + 
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ 
 
void main(int argc, char *argv[]) 
{ 
	CommandLine cmdLine(&maxErrors); 
	nErrors = 0; 
 
	/*1) handle command line arguments */ 
 
	MAIN_DEBUG0("handling arguments\n"); 
 
	if((cmdLine.handleArgs(argc,argv))==FALSE) 
	{  
		FATAL_ERROR();  
	} 
 
	/*2) PASS1 -  scan, parse, populate symbol table*/ 
 
	MAIN_DEBUG0("initiating first pass\n"); 
 
	StringTable strTbl; 
	HashTable hashTbl(&strTbl); 
	SymbolTable symTbl(&strTbl); 
 
	struct Line line; 
	{ 
		Pass1 pass1(&strTbl,&symTbl,&hashTbl); 
		LineScanner scanner(&cmdLine); 
		line = scanner.getInputLine(); 
		while(line.end!=TRUE) 
		{ 
			pass1.parseLine(&line); 
			line = scanner.getInputLine(); 
		} 
		pass1.parseLine(&line); 
	} 
 
	/* 
	strTbl.printStrTbl(); 
	symTbl.printSymTbl(); 
	hashTbl.printHashTbl(); 
	*/ 
 
	/*if errors exist, shutdown before generate anything*/ 
 
	if(nErrors > 0) 
	{ 
		printf("%d Error(s) during first pass\n",nErrors); 
		printf("build failed\n"); 
		FATAL_ERROR(); 
	} 
 
	/*3) PASS2 - create bytecode temp file and listing file */ 
 
	MAIN_DEBUG0("initiating second pass\n"); 
	{ 
		Pass2 pass2(&cmdLine,&strTbl,&symTbl,&hashTbl); 
		LineScanner scanner(&cmdLine); 
		line = scanner.getInputLine(); 
		while(line.end!=TRUE) 
		{ 
			pass2.parseLine(&line); 
			line = scanner.getInputLine(); 
		} 
		pass2.parseLine(&line); 
		if(cmdLine.listing==TRUE){ pass2.generateSymbolSummary(); } 
	} 
	MAIN_DEBUG1("%lu bytes written to tempfile\n",pass2.bytePosPass2); 
	 
 
	/*if errors exist after 2rd pass, shutdown */ 
 
	if(nErrors > 0) 
	{ 
		printf("main(): %d Error(s) during second pass\n",nErrors); 
		printf("main(): build failed\n"); 
		FATAL_ERROR(); 
	} 
 
	/*4) build compilation unit */ 
 
	MAIN_DEBUG0("building bytecode executable\n"); 
	{ 
		BuildFile bldfile(&cmdLine,&strTbl, &symTbl); 
		bldfile.buildFileFormat(); 
	} 
 
	/*5) safe-shutdown */ 
	 
	printf("main(): exiting with (%d) errors\n",nErrors); 
	shutDown(SHUTDOWN_OK); 
	return; 
 
}/*end main*/ 
 
/* ----------------------------------------------------------------*/ 
 
void shutDown(U1 code) 
{ 
	exit(code); 
 
}/*end shutDown*/