[quickjs] console

src/ecmascript/quickjs.c

@@ -25,6 +25,7 @@
 #include "document/view.h"
 #include "ecmascript/ecmascript.h"
 #include "ecmascript/quickjs.h"
+#include "ecmascript/quickjs/console.h"
 #include "ecmascript/quickjs/history.h"
 #include "ecmascript/quickjs/location.h"
 #include "ecmascript/quickjs/navigator.h"
@@ -169,6 +170,7 @@ quickjs_get_interpreter(struct ecmascript_interpreter *interpreter)
 	js_navigator_init(ctx, global_obj);
 	js_history_init(ctx, global_obj);
 	js_location_init(ctx, global_obj);
+	js_console_init(ctx, global_obj);
 
 	JS_FreeValue(ctx, global_obj);
 

src/ecmascript/quickjs/console.c

@@ -0,0 +1,142 @@
+/* The QuickJS console object implementation. */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "elinks.h"
+
+#include "bfu/dialog.h"
+#include "cache/cache.h"
+#include "config/home.h"
+#include "dialogs/menu.h"
+#include "dialogs/status.h"
+#include "ecmascript/ecmascript.h"
+#include "ecmascript/quickjs/console.h"
+#include "intl/libintl.h"
+#include "osdep/newwin.h"
+#include "osdep/sysname.h"
+#include "util/conv.h"
+#include "util/memory.h"
+#include "util/string.h"
+
+#include <time.h>
+#include "document/renderer.h"
+#include "document/refresh.h"
+#include "terminal/screen.h"
+
+#define DEBUG 0
+
+#define countof(x) (sizeof(x) / sizeof((x)[0]))
+
+static JSClassID js_console_class_id;
+
+static JSValue
+js_console_log_common(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv, const char *log_filename)
+{
+	struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS_GetContextOpaque(ctx);
+	assert(interpreter);
+
+	if (argc != 1 || !log_filename)
+	{
+		return JS_UNDEFINED;
+	}
+
+	if (get_opt_bool("ecmascript.enable_console_log", NULL))
+	{
+		size_t len;
+
+		const char *str = JS_ToCStringLen(ctx, &len, argv[0]);
+
+		if (!str) {
+			return JS_EXCEPTION;
+		}
+		FILE *f = fopen(log_filename, "a");
+
+		if (f)
+		{
+			fputs(str, f);
+			fclose(f);
+		}
+		JS_FreeCString(ctx, str);
+	}
+
+	return JS_UNDEFINED;
+}
+
+static JSValue
+js_console_log(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	return js_console_log_common(ctx, this_val, argc, argv, console_log_filename);
+}
+
+static JSValue
+js_console_error(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	return js_console_log_common(ctx, this_val, argc, argv, console_error_filename);
+}
+
+static const JSCFunctionListEntry js_console_funcs[] = {
+	JS_CFUNC_DEF("log", 1, js_console_log),
+	JS_CFUNC_DEF("error", 1, js_console_error),
+};
+
+static JSClassDef js_console_class = {
+	"console",
+};
+
+static JSValue
+js_console_ctor(JSContext *ctx, JSValueConst new_target, int argc, JSValueConst *argv)
+{
+	JSValue obj = JS_UNDEFINED;
+	JSValue proto;
+	/* using new_target to get the prototype is necessary when the
+	 class is extended. */
+	proto = JS_GetPropertyStr(ctx, new_target, "prototype");
+
+	if (JS_IsException(proto)) {
+		goto fail;
+	}
+	obj = JS_NewObjectProtoClass(ctx, proto, js_console_class_id);
+	JS_FreeValue(ctx, proto);
+
+	if (JS_IsException(obj)) {
+		goto fail;
+	}
+	return obj;
+
+fail:
+	JS_FreeValue(ctx, obj);
+	return JS_EXCEPTION;
+}
+
+int
+js_console_init(JSContext *ctx, JSValue global_obj)
+{
+	JSValue console_proto, console_class;
+
+	/* create the console class */
+	JS_NewClassID(&js_console_class_id);
+	JS_NewClass(JS_GetRuntime(ctx), js_console_class_id, &js_console_class);
+
+	console_proto = JS_NewObject(ctx);
+	JS_SetPropertyFunctionList(ctx, console_proto, js_console_funcs, countof(js_console_funcs));
+
+	console_class = JS_NewCFunction2(ctx, js_console_ctor, "console", 0, JS_CFUNC_constructor, 0);
+	/* set proto.constructor and ctor.prototype */
+	JS_SetConstructor(ctx, console_class, console_proto);
+	JS_SetClassProto(ctx, js_console_class_id, console_proto);
+
+	JS_SetPropertyStr(ctx, global_obj, "console", console_proto);
+	return 0;
+}

src/ecmascript/quickjs/console.h

@@ -0,0 +1,8 @@
+#ifndef EL__ECMASCRIPT_QUICKJS_CONSOLE_H
+#define EL__ECMASCRIPT_QUICKJS_CONSOLE_H
+
+#include <quickjs/quickjs.h>
+
+int js_console_init(JSContext *ctx, JSValue global_obj);
+
+#endif

src/ecmascript/quickjs/history.c

@@ -127,7 +127,7 @@ static const JSCFunctionListEntry js_history_funcs[] = {
 };
 
 static JSClassDef js_history_class = {
-	"navigator",
+	"history",
 };
 
 static JSValue

src/ecmascript/quickjs/meson.build

@@ -1 +1 @@
-srcs += files('history.c', 'location.c', 'navigator.c', 'screen.c', 'unibar.c', 'window.c')
+srcs += files('console.c', 'history.c', 'location.c', 'navigator.c', 'screen.c', 'unibar.c', 'window.c')