1 /*
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "JavaScriptProfileNode.h"
28
29 #if ENABLE(JAVASCRIPT_DEBUGGER) && USE(JSC)
30
31 #include "JSDOMBinding.h"
32 #include <profiler/ProfileNode.h>
33 #include <JavaScriptCore/APICast.h>
34 #include <JavaScriptCore/JSObjectRef.h>
35 #include <JavaScriptCore/JSContextRef.h>
36 #include <JavaScriptCore/JSRetainPtr.h>
37 #include <JavaScriptCore/JSStringRef.h>
38 #include <runtime/JSLock.h>
39 #include <runtime/JSValue.h>
40 #include <wtf/StdLibExtras.h>
41
42 using namespace JSC;
43
44 namespace WebCore {
45
46 // Cache
47
48 typedef HashMap<ProfileNode*, JSObject*> ProfileNodeMap;
49
profileNodeCache()50 static ProfileNodeMap& profileNodeCache()
51 {
52 DEFINE_STATIC_LOCAL(ProfileNodeMap, staticProfileNodes, ());
53 return staticProfileNodes;
54 }
55
getFunctionName(JSContextRef ctx,JSObjectRef thisObject,JSStringRef,JSValueRef *)56 static JSValueRef getFunctionName(JSContextRef ctx, JSObjectRef thisObject, JSStringRef, JSValueRef*)
57 {
58 if (!JSValueIsObjectOfClass(ctx, thisObject, ProfileNodeClass()))
59 return JSValueMakeUndefined(ctx);
60
61 ProfileNode* profileNode = static_cast<ProfileNode*>(JSObjectGetPrivate(thisObject));
62 JSRetainPtr<JSStringRef> functionNameString(Adopt, JSStringCreateWithCharacters(profileNode->functionName().data(), profileNode->functionName().size()));
63 return JSValueMakeString(ctx, functionNameString.get());
64 }
65
getURL(JSContextRef ctx,JSObjectRef thisObject,JSStringRef,JSValueRef *)66 static JSValueRef getURL(JSContextRef ctx, JSObjectRef thisObject, JSStringRef, JSValueRef*)
67 {
68 if (!JSValueIsObjectOfClass(ctx, thisObject, ProfileNodeClass()))
69 return JSValueMakeUndefined(ctx);
70
71 ProfileNode* profileNode = static_cast<ProfileNode*>(JSObjectGetPrivate(thisObject));
72 JSRetainPtr<JSStringRef> urlString(Adopt, JSStringCreateWithCharacters(profileNode->url().data(), profileNode->url().size()));
73 return JSValueMakeString(ctx, urlString.get());
74 }
75
getLineNumber(JSContextRef ctx,JSObjectRef thisObject,JSStringRef,JSValueRef *)76 static JSValueRef getLineNumber(JSContextRef ctx, JSObjectRef thisObject, JSStringRef, JSValueRef*)
77 {
78 if (!JSValueIsObjectOfClass(ctx, thisObject, ProfileNodeClass()))
79 return JSValueMakeUndefined(ctx);
80
81 ProfileNode* profileNode = static_cast<ProfileNode*>(JSObjectGetPrivate(thisObject));
82 return JSValueMakeNumber(ctx, profileNode->lineNumber());
83 }
84
getTotalTime(JSContextRef ctx,JSObjectRef thisObject,JSStringRef,JSValueRef *)85 static JSValueRef getTotalTime(JSContextRef ctx, JSObjectRef thisObject, JSStringRef, JSValueRef*)
86 {
87 JSC::JSLock lock(SilenceAssertionsOnly);
88
89 if (!JSValueIsObjectOfClass(ctx, thisObject, ProfileNodeClass()))
90 return JSValueMakeUndefined(ctx);
91
92 ProfileNode* profileNode = static_cast<ProfileNode*>(JSObjectGetPrivate(thisObject));
93 return JSValueMakeNumber(ctx, profileNode->totalTime());
94 }
95
getSelfTime(JSContextRef ctx,JSObjectRef thisObject,JSStringRef,JSValueRef *)96 static JSValueRef getSelfTime(JSContextRef ctx, JSObjectRef thisObject, JSStringRef, JSValueRef*)
97 {
98 JSC::JSLock lock(SilenceAssertionsOnly);
99
100 if (!JSValueIsObjectOfClass(ctx, thisObject, ProfileNodeClass()))
101 return JSValueMakeUndefined(ctx);
102
103 ProfileNode* profileNode = static_cast<ProfileNode*>(JSObjectGetPrivate(thisObject));
104 return JSValueMakeNumber(ctx, profileNode->selfTime());
105 }
106
getNumberOfCalls(JSContextRef ctx,JSObjectRef thisObject,JSStringRef,JSValueRef *)107 static JSValueRef getNumberOfCalls(JSContextRef ctx, JSObjectRef thisObject, JSStringRef, JSValueRef*)
108 {
109 JSC::JSLock lock(SilenceAssertionsOnly);
110
111 if (!JSValueIsObjectOfClass(ctx, thisObject, ProfileNodeClass()))
112 return JSValueMakeUndefined(ctx);
113
114 ProfileNode* profileNode = static_cast<ProfileNode*>(JSObjectGetPrivate(thisObject));
115 return JSValueMakeNumber(ctx, profileNode->numberOfCalls());
116 }
117
getChildren(JSContextRef ctx,JSObjectRef thisObject,JSStringRef,JSValueRef * exception)118 static JSValueRef getChildren(JSContextRef ctx, JSObjectRef thisObject, JSStringRef, JSValueRef* exception)
119 {
120 JSC::JSLock lock(SilenceAssertionsOnly);
121
122 if (!JSValueIsObjectOfClass(ctx, thisObject, ProfileNodeClass()))
123 return JSValueMakeUndefined(ctx);
124
125 ProfileNode* profileNode = static_cast<ProfileNode*>(JSObjectGetPrivate(thisObject));
126 const Vector<RefPtr<ProfileNode> >& children = profileNode->children();
127
128 JSObjectRef global = JSContextGetGlobalObject(ctx);
129
130 JSRetainPtr<JSStringRef> arrayString(Adopt, JSStringCreateWithUTF8CString("Array"));
131
132 JSValueRef arrayProperty = JSObjectGetProperty(ctx, global, arrayString.get(), exception);
133 if (exception && *exception)
134 return JSValueMakeUndefined(ctx);
135
136 JSObjectRef arrayConstructor = JSValueToObject(ctx, arrayProperty, exception);
137 if (exception && *exception)
138 return JSValueMakeUndefined(ctx);
139
140 JSObjectRef result = JSObjectCallAsConstructor(ctx, arrayConstructor, 0, 0, exception);
141 if (exception && *exception)
142 return JSValueMakeUndefined(ctx);
143
144 JSRetainPtr<JSStringRef> pushString(Adopt, JSStringCreateWithUTF8CString("push"));
145
146 JSValueRef pushProperty = JSObjectGetProperty(ctx, result, pushString.get(), exception);
147 if (exception && *exception)
148 return JSValueMakeUndefined(ctx);
149
150 JSObjectRef pushFunction = JSValueToObject(ctx, pushProperty, exception);
151 if (exception && *exception)
152 return JSValueMakeUndefined(ctx);
153
154 ExecState* exec = toJS(ctx);
155 for (Vector<RefPtr<ProfileNode> >::const_iterator it = children.begin(); it != children.end(); ++it) {
156 JSValueRef arg0 = toRef(exec, toJS(exec, (*it).get() ));
157 JSObjectCallAsFunction(ctx, pushFunction, result, 1, &arg0, exception);
158 if (exception && *exception)
159 return JSValueMakeUndefined(ctx);
160 }
161
162 return result;
163 }
164
getVisible(JSContextRef ctx,JSObjectRef thisObject,JSStringRef,JSValueRef *)165 static JSValueRef getVisible(JSContextRef ctx, JSObjectRef thisObject, JSStringRef, JSValueRef*)
166 {
167 JSC::JSLock lock(SilenceAssertionsOnly);
168
169 if (!JSValueIsObjectOfClass(ctx, thisObject, ProfileNodeClass()))
170 return JSValueMakeUndefined(ctx);
171
172 ProfileNode* profileNode = static_cast<ProfileNode*>(JSObjectGetPrivate(thisObject));
173 return JSValueMakeBoolean(ctx, profileNode->visible());
174 }
175
getCallUID(JSContextRef ctx,JSObjectRef thisObject,JSStringRef,JSValueRef *)176 static JSValueRef getCallUID(JSContextRef ctx, JSObjectRef thisObject, JSStringRef, JSValueRef*)
177 {
178 JSC::JSLock lock(SilenceAssertionsOnly);
179
180 if (!JSValueIsObjectOfClass(ctx, thisObject, ProfileNodeClass()))
181 return JSValueMakeUndefined(ctx);
182
183 ProfileNode* profileNode = static_cast<ProfileNode*>(JSObjectGetPrivate(thisObject));
184 return JSValueMakeNumber(ctx, profileNode->callIdentifier().hash());
185 }
186
finalize(JSObjectRef object)187 static void finalize(JSObjectRef object)
188 {
189 ProfileNode* profileNode = static_cast<ProfileNode*>(JSObjectGetPrivate(object));
190 profileNodeCache().remove(profileNode);
191 profileNode->deref();
192 }
193
ProfileNodeClass()194 JSClassRef ProfileNodeClass()
195 {
196 static JSStaticValue staticValues[] = {
197 { "functionName", getFunctionName, 0, kJSPropertyAttributeNone },
198 { "url", getURL, 0, kJSPropertyAttributeNone },
199 { "lineNumber", getLineNumber, 0, kJSPropertyAttributeNone },
200 { "totalTime", getTotalTime, 0, kJSPropertyAttributeNone },
201 { "selfTime", getSelfTime, 0, kJSPropertyAttributeNone },
202 { "numberOfCalls", getNumberOfCalls, 0, kJSPropertyAttributeNone },
203 { "children", getChildren, 0, kJSPropertyAttributeNone },
204 { "visible", getVisible, 0, kJSPropertyAttributeNone },
205 { "callUID", getCallUID, 0, kJSPropertyAttributeNone },
206 { 0, 0, 0, 0 }
207 };
208
209 static JSClassDefinition classDefinition = {
210 0, kJSClassAttributeNone, "ProfileNode", 0, staticValues, 0,
211 0, finalize, 0, 0, 0, 0, 0, 0, 0, 0, 0
212 };
213
214 static JSClassRef profileNodeClass = JSClassCreate(&classDefinition);
215 return profileNodeClass;
216 }
217
toJS(ExecState * exec,ProfileNode * profileNode)218 JSValue toJS(ExecState* exec, ProfileNode* profileNode)
219 {
220 if (!profileNode)
221 return jsNull();
222
223 JSObject* profileNodeWrapper = profileNodeCache().get(profileNode);
224 if (profileNodeWrapper)
225 return profileNodeWrapper;
226
227 profileNode->ref();
228
229 profileNodeWrapper = toJS(JSObjectMake(toRef(exec), ProfileNodeClass(), static_cast<void*>(profileNode)));
230 profileNodeCache().set(profileNode, profileNodeWrapper);
231 return profileNodeWrapper;
232 }
233
234 } // namespace WebCore
235
236 #endif // ENABLE(JAVASCRIPT_DEBUGGER)
237