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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "platform/v8_inspector/V8Regex.h" | 5 #include "platform/v8_inspector/V8Regex.h" |
6 | 6 |
| 7 #include "platform/v8_inspector/StringUtil.h" |
7 #include "platform/v8_inspector/V8Compat.h" | 8 #include "platform/v8_inspector/V8Compat.h" |
8 #include "platform/v8_inspector/V8InspectorImpl.h" | 9 #include "platform/v8_inspector/V8InspectorImpl.h" |
9 #include "platform/v8_inspector/V8StringUtil.h" | |
10 #include "platform/v8_inspector/public/V8InspectorClient.h" | 10 #include "platform/v8_inspector/public/V8InspectorClient.h" |
11 | 11 |
12 #include <limits.h> | 12 #include <limits.h> |
13 | 13 |
14 namespace v8_inspector { | 14 namespace v8_inspector { |
15 | 15 |
16 V8Regex::V8Regex(V8InspectorImpl* inspector, const String16& pattern, bool caseS
ensitive, bool multiline) | 16 V8Regex::V8Regex(V8InspectorImpl* inspector, const String16& pattern, bool caseS
ensitive, bool multiline) |
17 : m_inspector(inspector) | 17 : m_inspector(inspector) |
18 { | 18 { |
19 v8::Isolate* isolate = m_inspector->isolate(); | 19 v8::Isolate* isolate = m_inspector->isolate(); |
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54 v8::Local<v8::Context> context = m_inspector->regexContext(); | 54 v8::Local<v8::Context> context = m_inspector->regexContext(); |
55 v8::MicrotasksScope microtasks(isolate, v8::MicrotasksScope::kDoNotRunMicrot
asks); | 55 v8::MicrotasksScope microtasks(isolate, v8::MicrotasksScope::kDoNotRunMicrot
asks); |
56 v8::TryCatch tryCatch(isolate); | 56 v8::TryCatch tryCatch(isolate); |
57 | 57 |
58 v8::Local<v8::RegExp> regex = m_regex.Get(isolate); | 58 v8::Local<v8::RegExp> regex = m_regex.Get(isolate); |
59 v8::Local<v8::Value> exec; | 59 v8::Local<v8::Value> exec; |
60 if (!regex->Get(context, toV8StringInternalized(isolate, "exec")).ToLocal(&e
xec)) | 60 if (!regex->Get(context, toV8StringInternalized(isolate, "exec")).ToLocal(&e
xec)) |
61 return -1; | 61 return -1; |
62 v8::Local<v8::Value> argv[] = { toV8String(isolate, string.substring(startFr
om)) }; | 62 v8::Local<v8::Value> argv[] = { toV8String(isolate, string.substring(startFr
om)) }; |
63 v8::Local<v8::Value> returnValue; | 63 v8::Local<v8::Value> returnValue; |
64 if (!exec.As<v8::Function>()->Call(context, regex, PROTOCOL_ARRAY_LENGTH(arg
v), argv).ToLocal(&returnValue)) | 64 if (!exec.As<v8::Function>()->Call(context, regex, V8_INSPECTOR_ARRAY_LENGTH
(argv), argv).ToLocal(&returnValue)) |
65 return -1; | 65 return -1; |
66 | 66 |
67 // RegExp#exec returns null if there's no match, otherwise it returns an | 67 // RegExp#exec returns null if there's no match, otherwise it returns an |
68 // Array of strings with the first being the whole match string and others | 68 // Array of strings with the first being the whole match string and others |
69 // being subgroups. The Array also has some random properties tacked on like | 69 // being subgroups. The Array also has some random properties tacked on like |
70 // "index" which is the offset of the match. | 70 // "index" which is the offset of the match. |
71 // | 71 // |
72 // https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Obje
cts/RegExp/exec | 72 // https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Obje
cts/RegExp/exec |
73 | 73 |
74 DCHECK(!returnValue.IsEmpty()); | 74 DCHECK(!returnValue.IsEmpty()); |
75 if (!returnValue->IsArray()) | 75 if (!returnValue->IsArray()) |
76 return -1; | 76 return -1; |
77 | 77 |
78 v8::Local<v8::Array> result = returnValue.As<v8::Array>(); | 78 v8::Local<v8::Array> result = returnValue.As<v8::Array>(); |
79 v8::Local<v8::Value> matchOffset; | 79 v8::Local<v8::Value> matchOffset; |
80 if (!result->Get(context, toV8StringInternalized(isolate, "index")).ToLocal(
&matchOffset)) | 80 if (!result->Get(context, toV8StringInternalized(isolate, "index")).ToLocal(
&matchOffset)) |
81 return -1; | 81 return -1; |
82 if (matchLength) { | 82 if (matchLength) { |
83 v8::Local<v8::Value> match; | 83 v8::Local<v8::Value> match; |
84 if (!result->Get(context, 0).ToLocal(&match)) | 84 if (!result->Get(context, 0).ToLocal(&match)) |
85 return -1; | 85 return -1; |
86 *matchLength = match.As<v8::String>()->Length(); | 86 *matchLength = match.As<v8::String>()->Length(); |
87 } | 87 } |
88 | 88 |
89 return matchOffset.As<v8::Int32>()->Value() + startFrom; | 89 return matchOffset.As<v8::Int32>()->Value() + startFrom; |
90 } | 90 } |
91 | 91 |
92 } // namespace v8_inspector | 92 } // namespace v8_inspector |
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