From a9037d878d91ceaf03d1699ffee4cf6937fffb2f Mon Sep 17 00:00:00 2001 From: Witold Filipczyk Date: Fri, 22 Oct 2021 18:47:09 +0200 Subject: [PATCH] [quickjs] console --- src/ecmascript/quickjs.c | 2 + src/ecmascript/quickjs/console.c | 142 +++++++++++++++++++++++++++++ src/ecmascript/quickjs/console.h | 8 ++ src/ecmascript/quickjs/history.c | 2 +- src/ecmascript/quickjs/meson.build | 2 +- 5 files changed, 154 insertions(+), 2 deletions(-) create mode 100644 src/ecmascript/quickjs/console.c create mode 100644 src/ecmascript/quickjs/console.h diff --git a/src/ecmascript/quickjs.c b/src/ecmascript/quickjs.c index 01ae40be..698de028 100644 --- a/src/ecmascript/quickjs.c +++ b/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); diff --git a/src/ecmascript/quickjs/console.c b/src/ecmascript/quickjs/console.c new file mode 100644 index 00000000..de3f24c8 --- /dev/null +++ b/src/ecmascript/quickjs/console.c @@ -0,0 +1,142 @@ +/* The QuickJS console object implementation. */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include + +#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 +#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; +} diff --git a/src/ecmascript/quickjs/console.h b/src/ecmascript/quickjs/console.h new file mode 100644 index 00000000..f530100d --- /dev/null +++ b/src/ecmascript/quickjs/console.h @@ -0,0 +1,8 @@ +#ifndef EL__ECMASCRIPT_QUICKJS_CONSOLE_H +#define EL__ECMASCRIPT_QUICKJS_CONSOLE_H + +#include + +int js_console_init(JSContext *ctx, JSValue global_obj); + +#endif diff --git a/src/ecmascript/quickjs/history.c b/src/ecmascript/quickjs/history.c index 7a759486..a02c453b 100644 --- a/src/ecmascript/quickjs/history.c +++ b/src/ecmascript/quickjs/history.c @@ -127,7 +127,7 @@ static const JSCFunctionListEntry js_history_funcs[] = { }; static JSClassDef js_history_class = { - "navigator", + "history", }; static JSValue diff --git a/src/ecmascript/quickjs/meson.build b/src/ecmascript/quickjs/meson.build index b704d618..b3cff866 100644 --- a/src/ecmascript/quickjs/meson.build +++ b/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')