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
14namespace v8 {
15namespace internal {
16
17Handle<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
28Handle<String> PendingCompilationErrorHandler::FormatMessage(Isolate* isolate) {
29  return MessageTemplate::FormatMessage(isolate, message_,
30                                        ArgumentString(isolate));
31}
32
33void 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