1 | /* |
2 | * Copyright (C) 2008 Apple Inc. All rights reserved. |
3 | * Copyright (C) 1999-2001 Harri Porten (porten@kde.org) |
4 | * Copyright (C) 2001 Peter Kelly (pmk@post.com) |
5 | * |
6 | * This library is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU Lesser General Public |
8 | * License as published by the Free Software Foundation; either |
9 | * version 2 of the License, or (at your option) any later version. |
10 | * |
11 | * This library is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | * Lesser General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU Lesser General Public |
17 | * License along with this library; if not, write to the Free Software |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
19 | * |
20 | */ |
21 | |
22 | #include "config.h" |
23 | #include "Debugger.h" |
24 | |
25 | #include "CollectorHeapIterator.h" |
26 | #include "Error.h" |
27 | #include "Interpreter.h" |
28 | #include "JSFunction.h" |
29 | #include "JSGlobalObject.h" |
30 | #include "Parser.h" |
31 | #include "Protect.h" |
32 | |
33 | namespace JSC { |
34 | |
35 | Debugger::~Debugger() |
36 | { |
37 | HashSet<JSGlobalObject*>::iterator end = m_globalObjects.end(); |
38 | for (HashSet<JSGlobalObject*>::iterator it = m_globalObjects.begin(); it != end; ++it) |
39 | (*it)->setDebugger(0); |
40 | } |
41 | |
42 | void Debugger::attach(JSGlobalObject* globalObject) |
43 | { |
44 | ASSERT(!globalObject->debugger()); |
45 | globalObject->setDebugger(this); |
46 | m_globalObjects.add(value: globalObject); |
47 | } |
48 | |
49 | void Debugger::detach(JSGlobalObject* globalObject) |
50 | { |
51 | ASSERT(m_globalObjects.contains(globalObject)); |
52 | m_globalObjects.remove(value: globalObject); |
53 | globalObject->setDebugger(0); |
54 | } |
55 | |
56 | void Debugger::recompileAllJSFunctions(JSGlobalData* globalData) |
57 | { |
58 | // If JavaScript is running, it's not safe to recompile, since we'll end |
59 | // up throwing away code that is live on the stack. |
60 | ASSERT(!globalData->dynamicGlobalObject); |
61 | if (globalData->dynamicGlobalObject) |
62 | return; |
63 | |
64 | typedef HashSet<FunctionExecutable*> FunctionExecutableSet; |
65 | typedef HashMap<SourceProvider*, ExecState*> SourceProviderMap; |
66 | |
67 | FunctionExecutableSet functionExecutables; |
68 | SourceProviderMap sourceProviders; |
69 | |
70 | LiveObjectIterator it = globalData->heap.primaryHeapBegin(); |
71 | LiveObjectIterator heapEnd = globalData->heap.primaryHeapEnd(); |
72 | for ( ; it != heapEnd; ++it) { |
73 | if (!(*it)->inherits(info: &JSFunction::info)) |
74 | continue; |
75 | |
76 | JSFunction* function = asFunction(value: *it); |
77 | if (function->executable()->isHostFunction()) |
78 | continue; |
79 | |
80 | FunctionExecutable* executable = function->jsExecutable(); |
81 | |
82 | // Check if the function is already in the set - if so, |
83 | // we've already retranslated it, nothing to do here. |
84 | if (!functionExecutables.add(value: executable).second) |
85 | continue; |
86 | |
87 | ExecState* exec = function->scope().globalObject()->JSGlobalObject::globalExec(); |
88 | executable->recompile(exec); |
89 | if (function->scope().globalObject()->debugger() == this) |
90 | sourceProviders.add(key: executable->source().provider(), mapped: exec); |
91 | } |
92 | |
93 | // Call sourceParsed() after reparsing all functions because it will execute |
94 | // JavaScript in the inspector. |
95 | SourceProviderMap::const_iterator end = sourceProviders.end(); |
96 | for (SourceProviderMap::const_iterator iter = sourceProviders.begin(); iter != end; ++iter) |
97 | sourceParsed(iter->second, SourceCode(iter->first), errorLineNumber: -1, errorMessage: 0); |
98 | } |
99 | |
100 | JSValue evaluateInGlobalCallFrame(const UString& script, JSValue& exception, JSGlobalObject* globalObject) |
101 | { |
102 | CallFrame* globalCallFrame = globalObject->globalExec(); |
103 | |
104 | RefPtr<EvalExecutable> eval = EvalExecutable::create(exec: globalCallFrame, source: makeSource(source: script)); |
105 | JSObject* error = eval->compile(globalCallFrame, globalCallFrame->scopeChain()); |
106 | if (error) |
107 | return error; |
108 | |
109 | return globalObject->globalData()->interpreter->execute(evalNode: eval.get(), exec: globalCallFrame, thisObj: globalObject, scopeChain: globalCallFrame->scopeChain(), exception: &exception); |
110 | } |
111 | |
112 | } // namespace JSC |
113 | |