main.c File Reference

Driver for the lc3 assembler (do not modify) More...

#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
#include "assembler.h"

Macros
#define	LC3AS_VAR

Functions
static void	usage (void)
int	main (int argc, char *argv[])

Detailed Description

This file is a driver for the lc3 assembler and contains main(). The basic flow of the function is:

1. validte the program arguments
2. call asm_init()
3. call asm_pass_one()
4. report then number of errors found in the first pass. If there were no errors, call asm_pass_two()
5. report the number of errors found in the second pass
6. call asm_term()

The program return 0 if no errors were found, non-zero otherwise.

Author

Fritz Sieker

Macro Definition Documentation

#define LC3AS_VAR

force instantiation of LC3AS_VAR variables in this file

Function Documentation

int main	(	int	argc,
		char *	argv[]
	)

The entry point of the assembler. The program is invoked using:

[my]lc3as [-hex] [-pass1] assembly_file_name

Parameters

argc	- count of arguments
argv	- an array of arguments

static void usage ( void  )

static

print usage statement for program