io.c
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io.c
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	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>
	#include <libgen.h>
	#include <limits.h>

	#include "runtime.h"
	#include "modules/io.h"

	#define ANSI_RED "\x1b[31m"
	#define ANSI_YELLOW "\x1b[33m"
	#define ANSI_RESET "\x1b[0m"

	static void console_print(struct js js, jsval_t args, int nargs, const char color, FILE stream) {
	if (color) fprintf(stream, "%s", color);

	for (int i = 0; i < nargs; i++) {
	const char *space = i == 0 ? "" : " ";

	if (js_type(args[i]) == JS_STR) {
	char *str = js_getstr(js, args[i], NULL);
	fprintf(stream, "%s%s", space, str);
	} else {
	fprintf(stream, "%s%s", space, js_str(js, args[i]));
	}
	}

	if (color) fprintf(stream, "%s", ANSI_RESET);
	fputc('\n', stream);
	}

	static jsval_t js_console_log(struct js js, jsval_t args, int nargs) {
	console_print(js, args, nargs, NULL, stdout);
	return js_mkundef();
	}

	static jsval_t js_console_error(struct js js, jsval_t args, int nargs) {
	console_print(js, args, nargs, ANSI_RED, stderr);
	return js_mkundef();
	}

	static jsval_t js_console_warn(struct js js, jsval_t args, int nargs) {
	console_print(js, args, nargs, ANSI_YELLOW, stderr);
	return js_mkundef();
	}

	void init_console_module() {
	struct js *js = rt->js;
	jsval_t console_obj = js_mkobj(js);

	js_set(js, js_glob(js), "console", console_obj);
	js_set(js, console_obj, "log", js_mkfun(js_console_log));
	js_set(js, console_obj, "error", js_mkfun(js_console_error));
	js_set(js, console_obj, "warn", js_mkfun(js_console_warn));
	}