blob: b1910e8661c40aec1f817a90520d53a566d4f65c [file] [log] [blame]
/*
* Copyright (C) 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
WI.Script = class Script extends WI.SourceCode
{
constructor(target, id, range, url, sourceType, injected, sourceURL, sourceMapURL)
{
super();
console.assert(id);
console.assert(target instanceof WI.Target);
console.assert(range instanceof WI.TextRange);
this._target = target;
this._id = id || null;
this._range = range || null;
this._url = url || null;
this._sourceType = sourceType || WI.Script.SourceType.Program;
this._sourceURL = sourceURL || null;
this._sourceMappingURL = sourceMapURL || null;
this._injected = injected || false;
this._dynamicallyAddedScriptElement = false;
this._scriptSyntaxTree = null;
this._resource = this._resolveResource();
// If this Script was a dynamically added <script> to a Document,
// do not associate with the Document resource, instead associate
// with the frame as a dynamic script.
if (this._resource && this._resource.type === WI.Resource.Type.Document && !this._range.startLine && !this._range.startColumn) {
console.assert(this._resource.isMainResource());
let documentResource = this._resource;
this._resource = null;
this._dynamicallyAddedScriptElement = true;
documentResource.parentFrame.addExtraScript(this);
this._dynamicallyAddedScriptElementNumber = documentResource.parentFrame.extraScriptCollection.items.size;
} else if (this._resource)
this._resource.associateWithScript(this);
if (isWebInspectorConsoleEvaluationScript(this._sourceURL)) {
// Assign a unique number to the script object so it will stay the same.
this._uniqueDisplayNameNumber = this.constructor._nextUniqueConsoleDisplayNameNumber++;
}
if (this._sourceMappingURL)
WI.sourceMapManager.downloadSourceMap(this._sourceMappingURL, this._url, this);
}
// Static
static resetUniqueDisplayNameNumbers()
{
WI.Script._nextUniqueDisplayNameNumber = 1;
WI.Script._nextUniqueConsoleDisplayNameNumber = 1;
}
// Public
get target() { return this._target; }
get id() { return this._id; }
get range() { return this._range; }
get url() { return this._url; }
get sourceType() { return this._sourceType; }
get sourceURL() { return this._sourceURL; }
get sourceMappingURL() { return this._sourceMappingURL; }
get injected() { return this._injected; }
get contentIdentifier()
{
if (this._url)
return this._url;
if (!this._sourceURL)
return null;
// Since reused content identifiers can cause breakpoints
// to show up in completely unrelated files, sourceURLs should
// be unique where possible. The checks below exclude cases
// where sourceURLs are intentionally reused and we would never
// expect a breakpoint to be persisted across sessions.
if (isWebInspectorConsoleEvaluationScript(this._sourceURL))
return null;
if (isWebInspectorInternalScript(this._sourceURL))
return null;
return this._sourceURL;
}
get urlComponents()
{
if (!this._urlComponents)
this._urlComponents = parseURL(this._url);
return this._urlComponents;
}
get mimeType()
{
return this._resource.mimeType;
}
get displayName()
{
if (this._url && !this._dynamicallyAddedScriptElement)
return WI.displayNameForURL(this._url, this.urlComponents);
if (isWebInspectorConsoleEvaluationScript(this._sourceURL)) {
console.assert(this._uniqueDisplayNameNumber);
return WI.UIString("Console Evaluation %d").format(this._uniqueDisplayNameNumber);
}
if (this._sourceURL) {
if (!this._sourceURLComponents)
this._sourceURLComponents = parseURL(this._sourceURL);
return WI.displayNameForURL(this._sourceURL, this._sourceURLComponents);
}
if (this._dynamicallyAddedScriptElement)
return WI.UIString("Script Element %d").format(this._dynamicallyAddedScriptElementNumber);
// Assign a unique number to the script object so it will stay the same.
if (!this._uniqueDisplayNameNumber)
this._uniqueDisplayNameNumber = this.constructor._nextUniqueDisplayNameNumber++;
return WI.UIString("Anonymous Script %d").format(this._uniqueDisplayNameNumber);
}
get displayURL()
{
const isMultiLine = true;
const dataURIMaxSize = 64;
if (this._url)
return WI.truncateURL(this._url, isMultiLine, dataURIMaxSize);
if (this._sourceURL)
return WI.truncateURL(this._sourceURL, isMultiLine, dataURIMaxSize);
return null;
}
get dynamicallyAddedScriptElement()
{
return this._dynamicallyAddedScriptElement;
}
get anonymous()
{
return !this._resource && !this._url && !this._sourceURL;
}
get resource()
{
return this._resource;
}
get scriptSyntaxTree()
{
return this._scriptSyntaxTree;
}
isMainResource()
{
return this._target.mainResource === this;
}
requestContentFromBackend()
{
if (!this._id) {
// There is no identifier to request content with. Return false to cause the
// pending callbacks to get null content.
return Promise.reject(new Error("There is no identifier to request content with."));
}
return this._target.DebuggerAgent.getScriptSource(this._id);
}
saveIdentityToCookie(cookie)
{
cookie[WI.Script.URLCookieKey] = this.url;
cookie[WI.Script.DisplayNameCookieKey] = this.displayName;
}
requestScriptSyntaxTree(callback)
{
if (this._scriptSyntaxTree) {
setTimeout(() => { callback(this._scriptSyntaxTree); }, 0);
return;
}
var makeSyntaxTreeAndCallCallback = (content) => {
this._makeSyntaxTree(content);
callback(this._scriptSyntaxTree);
};
var content = this.content;
if (!content && this._resource && this._resource.type === WI.Resource.Type.Script && this._resource.finished)
content = this._resource.content;
if (content) {
setTimeout(makeSyntaxTreeAndCallCallback, 0, content);
return;
}
this.requestContent().then(function(parameters) {
makeSyntaxTreeAndCallCallback(parameters.sourceCode.content);
}).catch(function(error) {
makeSyntaxTreeAndCallCallback(null);
});
}
// Private
_resolveResource()
{
// FIXME: We should be able to associate a Script with a Resource through identifiers,
// we shouldn't need to lookup by URL, which is not safe with frames, where there might
// be multiple resources with the same URL.
// <rdar://problem/13373951> Scripts should be able to associate directly with a Resource
// No URL, no resource.
if (!this._url)
return null;
let resolver = WI.frameResourceManager;
if (this._target !== WI.mainTarget)
resolver = this._target.resourceCollection;
try {
// Try with the Script's full URL.
let resource = resolver.resourceForURL(this._url);
if (resource)
return resource;
// Try with the Script's full decoded URL.
let decodedURL = decodeURI(this._url);
if (decodedURL !== this._url) {
resource = resolver.resourceForURL(decodedURL);
if (resource)
return resource;
}
// Next try removing any fragment in the original URL.
let urlWithoutFragment = removeURLFragment(this._url);
if (urlWithoutFragment !== this._url) {
resource = resolver.resourceForURL(urlWithoutFragment);
if (resource)
return resource;
}
// Finally try removing any fragment in the decoded URL.
let decodedURLWithoutFragment = removeURLFragment(decodedURL);
if (decodedURLWithoutFragment !== decodedURL) {
resource = resolver.resourceForURL(decodedURLWithoutFragment);
if (resource)
return resource;
}
} catch { }
return null;
}
_makeSyntaxTree(sourceText)
{
if (this._scriptSyntaxTree || !sourceText)
return;
this._scriptSyntaxTree = new WI.ScriptSyntaxTree(sourceText, this);
}
};
WI.Script.SourceType = {
Program: "script-source-type-program",
Module: "script-source-type-module",
};
WI.Script.TypeIdentifier = "script";
WI.Script.URLCookieKey = "script-url";
WI.Script.DisplayNameCookieKey = "script-display-name";
WI.Script._nextUniqueDisplayNameNumber = 1;
WI.Script._nextUniqueConsoleDisplayNameNumber = 1;