Aryadev Chavali
b44a61be41
Changed folder names for sake of clarity (will be introducing a new build target soon), and Makefile can now easily support more targets.
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/* Copyright (C) 2023 Aryadev Chavali
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* You may distribute and modify this code under the terms of the
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* GPLv2 license. You should have received a copy of the GPLv2
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* license with this file. If not, please write to:
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* aryadev@aryadevchavali.com.
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* Created: 2023-10-15
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* Author: Aryadev Chavali
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* Description: Entrypoint to program
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include "./inst.h"
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#include "./runtime.h"
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int interpret_bytecode(const char *filepath)
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{
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FILE *fp = fopen(filepath, "rb");
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size_t number = 0;
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inst_t *instructions = insts_read_bytecode_file(fp, &number);
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fclose(fp);
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byte stack[256];
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vm_t vm = {0};
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vm_load_stack(&vm, stack, ARR_SIZE(stack));
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vm_load_program(&vm, instructions, number);
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err_t err = vm_execute_all(&vm);
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int ret = 0;
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if (err)
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{
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const char *error_str = err_as_cstr(err);
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fprintf(stderr, "[ERROR]: %s\n", error_str);
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vm_print_all(&vm, stderr);
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ret = 255 - err;
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}
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free(instructions);
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return ret;
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}
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int assemble_instructions(inst_t *instructions, size_t number,
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const char *filepath)
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{
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FILE *fp = fopen(filepath, "wb");
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insts_write_bytecode_file(instructions, number, fp);
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fclose(fp);
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return 0;
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}
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int main(int argc, char *argv[])
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{
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const char *filename = "out.bin";
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if (argc >= 2)
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filename = argv[1];
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inst_t instructions[] = {INST_HALT};
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assemble_instructions(instructions, ARR_SIZE(instructions), filename);
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return interpret_bytecode(filename);
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}
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