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