Precedence and RightHand have to represent Output.

[cycript.git] / Execute.cpp

diff --git a/Execute.cpp b/Execute.cpp
index 80b9e63dca37cc87e7b52ec960553a086a76be19..c71bc9f92044bfd2322fded09726238dd2fc8116 100644 (file)
--- a/Execute.cpp
+++ b/Execute.cpp
@@ -346,13 +346,17 @@ void CYArrayPush(JSContextRef context, JSObjectRef array, JSValueRef value) {
 }
 
 static JSValueRef System_print(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    FILE *file(stdout);
+
     if (count == 0)
-        printf("\n");
+        fputc('\n', file);
     else {
         CYPool pool;
-        printf("%s\n", CYPoolCString(pool, context, arguments[0]));
+        CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
+        fwrite(string.data, string.size, 1, file);
     }
 
+    fflush(file);
     return CYJSUndefined(context);
 } CYCatch(NULL) }
 
@@ -362,6 +366,14 @@ _visible void CYGarbageCollect(JSContextRef context) {
     (JSSynchronousGarbageCollectForDebugging$ ?: &JSGarbageCollect)(context);
 }
 
+static JSValueRef Cycript_compile_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    CYPool pool;
+    CYUTF8String before(CYPoolUTF8String(pool, context, CYJSString(context, arguments[0])));
+    std::stringstream value(std::string(before.data, before.size));
+    CYUTF8String after(CYPoolCode(pool, value));
+    return CYCastJSValue(context, CYJSString(after));
+} CYCatch_(NULL, "SyntaxError") }
+
 static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     CYGarbageCollect(context);
     return CYJSUndefined(context);
@@ -526,6 +538,21 @@ static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef
     return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
 } CYCatch(NULL) }
 
+static JSValueRef Error_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
+    CYPool pool;
+    std::ostringstream str;
+
+    str << "new " << CYPoolUTF8String(pool, context, CYJSString(context, CYGetProperty(context, _this, name_s))) << "(";
+
+    CYUTF8String string(CYPoolUTF8String(pool, context, CYJSString(context, CYGetProperty(context, _this, message_s))));
+    CYStringify(str, string.data, string.size);
+
+    str << ")";
+
+    std::string value(str.str());
+    return CYCastJSValue(context, CYJSString(CYUTF8String(value.c_str(), value.size())));
+} CYCatch(NULL) }
+
 static JSValueRef String_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry {
     CYPool pool;
     std::ostringstream str;
@@ -1587,31 +1614,25 @@ static bool CYShouldTerminate(JSContextRef context, void *arg) {
 }
 
 _visible const char *CYExecute(JSContextRef context, CYPool &pool, CYUTF8String code) {
-    JSValueRef exception(NULL);
-    if (false) error:
-        return CYPoolCString(pool, context, CYJSString(context, exception));
-
     ExecutionHandle handle(context);
 
     cancel_ = false;
     if (&JSContextGroupSetExecutionTimeLimit != NULL)
         JSContextGroupSetExecutionTimeLimit(JSContextGetGroup(context), 0.5, &CYShouldTerminate, NULL);
 
-    JSValueRef result(JSEvaluateScript(context, CYJSString(code), NULL, NULL, 0, &exception));
-    if (exception != NULL)
-        goto error;
-
-    if (JSValueIsUndefined(context, result))
-        return NULL;
-
-    std::set<void *> objects;
-    const char *json(CYPoolCCYON(pool, context, result, objects, &exception));
-    if (exception != NULL)
-        goto error;
+    try {
+        JSValueRef result(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0));
+        if (JSValueIsUndefined(context, result))
+            return NULL;
 
-    CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
+        std::set<void *> objects;
+        const char *json(_jsccall(CYPoolCCYON, pool, context, result, objects));
+        CYSetProperty(context, CYGetGlobalObject(context), Result_, result);
 
-    return json;
+        return json;
+    } catch (const CYException &error) {
+        return pool.strcat("throw ", error.PoolCString(pool), NULL);
+    }
 }
 
 _visible void CYCancel() {
@@ -1716,19 +1737,19 @@ const char *CYJSError::PoolCString(CYPool &pool) const {
     return CYPoolCCYON(pool, context_, value_, objects);
 }
 
-JSValueRef CYJSError::CastJSValue(JSContextRef context) const {
-    // XXX: what if the context is different?
+JSValueRef CYJSError::CastJSValue(JSContextRef context, const char *name) const {
+    // XXX: what if the context is different? or the name? I dunno. ("epic" :/)
     return value_;
 }
 
-JSValueRef CYCastJSError(JSContextRef context, const char *message) {
-    JSObjectRef Error(CYGetCachedObject(context, CYJSString("Error")));
+JSValueRef CYCastJSError(JSContextRef context, const char *name, const char *message) {
+    JSObjectRef Error(CYGetCachedObject(context, CYJSString(name)));
     JSValueRef arguments[1] = {CYCastJSValue(context, message)};
     return _jsccall(JSObjectCallAsConstructor, context, Error, 1, arguments);
 }
 
-JSValueRef CYPoolError::CastJSValue(JSContextRef context) const {
-    return CYCastJSError(context, message_);
+JSValueRef CYPoolError::CastJSValue(JSContextRef context, const char *name) const {
+    return CYCastJSError(context, name, message_);
 }
 
 CYJSError::CYJSError(JSContextRef context, const char *format, ...) {
@@ -1742,7 +1763,7 @@ CYJSError::CYJSError(JSContextRef context, const char *format, ...) {
     const char *message(pool.vsprintf(64, format, args));
     va_end(args);
 
-    value_ = CYCastJSError(context, message);
+    value_ = CYCastJSError(context, "Error", message);
 }
 
 JSGlobalContextRef CYGetJSContext(JSContextRef context) {
@@ -1854,6 +1875,9 @@ extern "C" void CYSetupContext(JSGlobalContextRef context) {
     JSObjectRef Error(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Error"))));
     CYSetProperty(context, cy, CYJSString("Error"), Error);
 
+    JSObjectRef Error_prototype(CYCastJSObject(context, CYGetProperty(context, Error, prototype_s)));
+    CYSetProperty(context, cy, CYJSString("Error_prototype"), Error_prototype);
+
     JSObjectRef Function(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Function"))));
     CYSetProperty(context, cy, CYJSString("Function"), Function);
 
@@ -1877,13 +1901,18 @@ extern "C" void CYSetupContext(JSGlobalContextRef context) {
 
     JSObjectRef String_prototype(CYCastJSObject(context, CYGetProperty(context, String, prototype_s)));
     CYSetProperty(context, cy, CYJSString("String_prototype"), String_prototype);
+
+    JSObjectRef SyntaxError(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("SyntaxError"))));
+    CYSetProperty(context, cy, CYJSString("SyntaxError"), SyntaxError);
 /* }}} */
 
     CYSetProperty(context, Array_prototype, toCYON_s, &Array_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
+    CYSetProperty(context, Error_prototype, toCYON_s, &Error_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
     CYSetProperty(context, String_prototype, toCYON_s, &String_callAsFunction_toCYON, kJSPropertyAttributeDontEnum);
 
     JSObjectRef cycript(JSObjectMake(context, NULL, NULL));
     CYSetProperty(context, global, CYJSString("Cycript"), cycript);
+    CYSetProperty(context, cycript, CYJSString("compile"), &Cycript_compile_callAsFunction);
     CYSetProperty(context, cycript, CYJSString("gc"), &Cycript_gc_callAsFunction);
 
     JSObjectRef Functor(JSObjectMakeConstructor(context, Functor_, &Functor_new));