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#include <stdio.h>
#include <stdint.h>
#include "lex.h"
#include "parse.h"
#include "instruction.h"
#if 0
/**
* Types for intermediate storage of instructions
*/
struct r_type {
enum OPER operation;
enum REG dest;
enum REG left;
enum REG right;
};
struct i_type { /* covers WI and NI */
enum OPER operation;
enum REG dest;
enum REG left;
int16_t immediate;
};
struct jr_type {
enum JCOND condition;
enum REG reg;
};
struct ji_type {
enum JCOND condition;
uint16_t immediate;
};
struct b_type { /* FIXME merge with ji_type? */
enum JCOND condition;
uint16_t immediate; /* capped to 10 bits by IS */
};
/* Union for bringing above together */
union instruction_union {
struct r_type r;
struct i_type i;
struct jr_type jr;
struct ji_type ji;
struct b_type b;
};
struct instruction {
enum INST_TYPE type;
union instruction_union i;
};
/**/
#endif
int main(int argc, char **argv)
{
int ret = 0;
FILE *fin = NULL;
FILE *fout = NULL;
if (argc < 3) {
fprintf(stderr, "Syntax: %s <in.asm> <out.bin>\n", argv[0]);
return 1;
}
if ((fin = fopen(argv[1], "r")) == NULL) {
fprintf(stderr, "Error opening %s: ", argv[1]);
perror("fopen");
return 1;
}
if ((fout = fopen(argv[2], "wb")) == NULL) {
fprintf(stderr, "Error opening %s: ", argv[2]);
perror("fopen");
return 1;
}
/****/
struct token *tokens = NULL;
size_t tok_count = 0;
if ((tokens = lex(argv[1], fin, &tok_count)) == NULL)
return 2;
struct instruction *insts;
size_t insts_count;
struct label *labels;
size_t labels_count;
if (ret = parse(argv[1], fin, &labels, &labels_count, tokens, tok_count, &insts, &insts_count))
return ret;
if (ret = output(fout, labels, labels_count, insts, insts_count))
return ret;
return 0;
}
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