1 // Copyright 2015 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "src/pending-compilation-error-handler.h"
6
7 #include "src/ast/ast-value-factory.h"
8 #include "src/debug/debug.h"
9 #include "src/handles.h"
10 #include "src/isolate.h"
11 #include "src/messages.h"
12 #include "src/objects-inl.h"
13
14 namespace v8 {
15 namespace internal {
16
ArgumentString(Isolate * isolate)17 Handle<String> PendingCompilationErrorHandler::ArgumentString(
18 Isolate* isolate) {
19 if (arg_ != NULL) return arg_->string();
20 if (char_arg_ != NULL) {
21 return isolate->factory()
22 ->NewStringFromUtf8(CStrVector(char_arg_))
23 .ToHandleChecked();
24 }
25 return isolate->factory()->undefined_string();
26 }
27
FormatMessage(Isolate * isolate)28 Handle<String> PendingCompilationErrorHandler::FormatMessage(Isolate* isolate) {
29 return MessageTemplate::FormatMessage(isolate, message_,
30 ArgumentString(isolate));
31 }
32
ThrowPendingError(Isolate * isolate,Handle<Script> script)33 void PendingCompilationErrorHandler::ThrowPendingError(Isolate* isolate,
34 Handle<Script> script) {
35 if (!has_pending_error_) return;
36 MessageLocation location(script, start_position_, end_position_);
37 Factory* factory = isolate->factory();
38 Handle<String> argument = ArgumentString(isolate);
39 isolate->debug()->OnCompileError(script);
40
41 Handle<Object> error;
42 switch (error_type_) {
43 case kReferenceError:
44 error = factory->NewReferenceError(message_, argument);
45 break;
46 case kSyntaxError:
47 error = factory->NewSyntaxError(message_, argument);
48 break;
49 default:
50 UNREACHABLE();
51 break;
52 }
53
54 if (!error->IsJSObject()) {
55 isolate->Throw(*error, &location);
56 return;
57 }
58
59 Handle<JSObject> jserror = Handle<JSObject>::cast(error);
60
61 Handle<Name> key_start_pos = factory->error_start_pos_symbol();
62 JSObject::SetProperty(jserror, key_start_pos,
63 handle(Smi::FromInt(location.start_pos()), isolate),
64 SLOPPY).Check();
65
66 Handle<Name> key_end_pos = factory->error_end_pos_symbol();
67 JSObject::SetProperty(jserror, key_end_pos,
68 handle(Smi::FromInt(location.end_pos()), isolate),
69 SLOPPY).Check();
70
71 Handle<Name> key_script = factory->error_script_symbol();
72 JSObject::SetProperty(jserror, key_script, script, SLOPPY).Check();
73
74 isolate->Throw(*error, &location);
75 }
76 } // namespace internal
77 } // namespace v8
78