1 // Copyright 2010 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
4 // met:
5 //
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28
29 #include "v8.h"
30
31 #include "liveedit.h"
32 #include "compiler.h"
33 #include "oprofile-agent.h"
34 #include "scopes.h"
35 #include "global-handles.h"
36 #include "debug.h"
37
38 namespace v8 {
39 namespace internal {
40
41
42 class FunctionInfoListener {
43 public:
FunctionStarted(FunctionLiteral * fun)44 void FunctionStarted(FunctionLiteral* fun) {
45 // Implementation follows.
46 }
47
FunctionDone()48 void FunctionDone() {
49 // Implementation follows.
50 }
51
FunctionScope(Scope * scope)52 void FunctionScope(Scope* scope) {
53 // Implementation follows.
54 }
55
FunctionCode(Handle<Code> function_code)56 void FunctionCode(Handle<Code> function_code) {
57 // Implementation follows.
58 }
59 };
60
61 static FunctionInfoListener* active_function_info_listener = NULL;
62
LiveEditFunctionTracker(FunctionLiteral * fun)63 LiveEditFunctionTracker::LiveEditFunctionTracker(FunctionLiteral* fun) {
64 if (active_function_info_listener != NULL) {
65 active_function_info_listener->FunctionStarted(fun);
66 }
67 }
~LiveEditFunctionTracker()68 LiveEditFunctionTracker::~LiveEditFunctionTracker() {
69 if (active_function_info_listener != NULL) {
70 active_function_info_listener->FunctionDone();
71 }
72 }
RecordFunctionCode(Handle<Code> code)73 void LiveEditFunctionTracker::RecordFunctionCode(Handle<Code> code) {
74 if (active_function_info_listener != NULL) {
75 active_function_info_listener->FunctionCode(code);
76 }
77 }
RecordFunctionScope(Scope * scope)78 void LiveEditFunctionTracker::RecordFunctionScope(Scope* scope) {
79 if (active_function_info_listener != NULL) {
80 active_function_info_listener->FunctionScope(scope);
81 }
82 }
IsActive()83 bool LiveEditFunctionTracker::IsActive() {
84 return active_function_info_listener != NULL;
85 }
86
87 } } // namespace v8::internal
88