76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
#include "../include/common.h"
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#include "../include/chunk.h"
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#include "../include/debug.h"
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#include "../include/vm.h"
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#include <stdio.h>
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#include <stdlib.h>
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static void repl(){
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char line[1024];
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for(;;){
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printf("_> ");
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if(!fgets(line,sizeof(line),stdin)){
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printf("\n");
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break;
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}
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interpret(line);
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}
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}
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static char* readFile(const char *path){
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FILE *file = fopen(path,"rb");
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if(file == NULL){
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fprintf(stderr,"Could not open file \"%s\".\n",path);
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exit(74);
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}
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fseek(file, 0L, SEEK_END);
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size_t fileSize = ftell(file);
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rewind(file);
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char *buffer = (char *)malloc(fileSize+1);
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if(buffer == NULL){
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fprintf(stderr,"Out of memory for \"%s\".\n",path);
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exit(74);
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}
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size_t bytesRead = fread(buffer, sizeof(char), fileSize, file);
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if(bytesRead < fileSize){
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fprintf(stderr,"Could not read file \"%s\".\n",path);
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exit(74);
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}
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buffer[bytesRead] = '\0';
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fclose(file);
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return buffer;
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}
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static void runFile(const char *path){
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char *source = readFile(path);
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InterpretResult result = interpret(source);
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free(source);
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if(result == INTERPRET_COMPILE_ERROR) exit(65);
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if(result == INTERPRET_RUNTIME_ERROR) exit(70);
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}
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int main(int argc, char *argv[]){
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initVM();
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if(argc == 1){
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repl();
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} else if(argc == 2){
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runFile(argv[1]);
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} else {
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fprintf(stderr,"Usage: Clox [path]\n");
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exit(64);
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}
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freeVM();
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return 0;
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}
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