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META-INF.dirigible.dev-tools.sdk.Script.js Maven / Gradle / Ivy
/*
* Copyright (C) 2008 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. ``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
* 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.
*/
import * as Common from '../common/common.js';
import * as ProtocolClient from '../protocol_client/protocol_client.js';
import * as TextUtils from '../text_utils/text_utils.js';
import {DebuggerModel, Location} from './DebuggerModel.js'; // eslint-disable-line no-unused-vars
import {ResourceTreeModel} from './ResourceTreeModel.js';
import {ExecutionContext} from './RuntimeModel.js'; // eslint-disable-line no-unused-vars
/**
* @implements {TextUtils.ContentProvider.ContentProvider}
* @unrestricted
*/
export class Script {
/**
* @param {!DebuggerModel} debuggerModel
* @param {string} scriptId
* @param {string} sourceURL
* @param {number} startLine
* @param {number} startColumn
* @param {number} endLine
* @param {number} endColumn
* @param {!Protocol.Runtime.ExecutionContextId} executionContextId
* @param {string} hash
* @param {boolean} isContentScript
* @param {boolean} isLiveEdit
* @param {string|undefined} sourceMapURL
* @param {boolean} hasSourceURL
* @param {number} length
* @param {?Protocol.Runtime.StackTrace} originStackTrace
* @param {?number} codeOffset
* @param {?string} scriptLanguage
*/
constructor(
debuggerModel, scriptId, sourceURL, startLine, startColumn, endLine, endColumn, executionContextId, hash,
isContentScript, isLiveEdit, sourceMapURL, hasSourceURL, length, originStackTrace, codeOffset, scriptLanguage) {
this.debuggerModel = debuggerModel;
this.scriptId = scriptId;
this.sourceURL = sourceURL;
this.lineOffset = startLine;
this.columnOffset = startColumn;
this.endLine = endLine;
this.endColumn = endColumn;
this.executionContextId = executionContextId;
this.hash = hash;
this._isContentScript = isContentScript;
this._isLiveEdit = isLiveEdit;
this.sourceMapURL = sourceMapURL;
this.hasSourceURL = hasSourceURL;
this.contentLength = length;
this._originalContentProvider = null;
this._originalSource = null;
this.originStackTrace = originStackTrace;
this._codeOffset = codeOffset;
this._language = scriptLanguage;
this._lineMap = null;
}
/**
* @param {string} source
* @return {string}
*/
static _trimSourceURLComment(source) {
let sourceURLIndex = source.lastIndexOf('//# sourceURL=');
if (sourceURLIndex === -1) {
sourceURLIndex = source.lastIndexOf('//@ sourceURL=');
if (sourceURLIndex === -1) {
return source;
}
}
const sourceURLLineIndex = source.lastIndexOf('\n', sourceURLIndex);
if (sourceURLLineIndex === -1) {
return source;
}
const sourceURLLine = source.substr(sourceURLLineIndex + 1);
if (!sourceURLLine.match(sourceURLRegex)) {
return source;
}
return source.substr(0, sourceURLLineIndex);
}
/**
* @return {boolean}
*/
isContentScript() {
return this._isContentScript;
}
/**
* @return {?number}
*/
codeOffset() {
return this._codeOffset;
}
/**
* @return {boolean}
*/
isWasm() {
return this._language === Protocol.Debugger.ScriptLanguage.WebAssembly;
}
/**
* @return {boolean}
*/
hasWasmDisassembly() {
return !!this._lineMap && !this.sourceMapURL;
}
/**
* @return {?ExecutionContext}
*/
executionContext() {
return this.debuggerModel.runtimeModel().executionContext(this.executionContextId);
}
/**
* @return {boolean}
*/
isLiveEdit() {
return this._isLiveEdit;
}
/**
* @override
* @return {string}
*/
contentURL() {
return this.sourceURL;
}
/**
* @override
* @return {!Common.ResourceType.ResourceType}
*/
contentType() {
return Common.ResourceType.resourceTypes.Script;
}
/**
* @override
* @return {!Promise}
*/
contentEncoded() {
return Promise.resolve(false);
}
/**
* @override
* @return {!Promise}
*/
async requestContent() {
if (this._source) {
return {content: this._source, isEncoded: false};
}
if (!this.scriptId) {
return {error: ls`Script removed or deleted.`, isEncoded: false};
}
try {
const sourceOrBytecode =
await this.debuggerModel.target().debuggerAgent().invoke_getScriptSource({scriptId: this.scriptId});
const source = sourceOrBytecode.scriptSource;
if (source) {
if (this.hasSourceURL) {
this._source = Script._trimSourceURLComment(source);
} else {
this._source = source;
}
} else {
this._source = '';
if (sourceOrBytecode.bytecode) {
const worker = new Common.Worker.WorkerWrapper('wasmparser_worker_entrypoint');
const promise = new Promise(function(resolve, reject) {
worker.onmessage = resolve;
worker.onerror = reject;
});
worker.postMessage({method: 'disassemble', params: {content: sourceOrBytecode.bytecode}});
const result = await promise;
this._source = result.data.source;
this._lineMap = result.data.offsets;
this.endLine = this._lineMap.length;
}
}
if (this._originalSource === null) {
this._originalSource = this._source;
}
return {content: this._source, isEncoded: false};
} catch (err) {
return {error: ls`Unable to fetch script source.`, isEncoded: false};
}
}
/**
* @return {!Promise}
*/
async getWasmBytecode() {
const base64 = await this.debuggerModel.target().debuggerAgent().getWasmBytecode(this.scriptId);
const response = await fetch(`data:application/wasm;base64,${base64}`);
return response.arrayBuffer();
}
/**
* @return {!TextUtils.ContentProvider.ContentProvider}
*/
originalContentProvider() {
if (!this._originalContentProvider) {
const lazyContent = () => this.requestContent().then(() => {
return {
content: this._originalSource,
isEncoded: false,
};
});
this._originalContentProvider =
new TextUtils.StaticContentProvider.StaticContentProvider(this.contentURL(), this.contentType(), lazyContent);
}
return this._originalContentProvider;
}
/**
* @override
* @param {string} query
* @param {boolean} caseSensitive
* @param {boolean} isRegex
* @return {!Promise>}
*/
async searchInContent(query, caseSensitive, isRegex) {
if (!this.scriptId) {
return [];
}
const matches =
await this.debuggerModel.target().debuggerAgent().searchInContent(this.scriptId, query, caseSensitive, isRegex);
return (matches || []).map(match => new TextUtils.ContentProvider.SearchMatch(match.lineNumber, match.lineContent));
}
/**
* @param {string} source
* @return {string}
*/
_appendSourceURLCommentIfNeeded(source) {
if (!this.hasSourceURL) {
return source;
}
return source + '\n //# sourceURL=' + this.sourceURL;
}
/**
* @param {string} newSource
* @param {function(?ProtocolClient.InspectorBackend.ProtocolError, !Protocol.Runtime.ExceptionDetails=, !Array.=, !Protocol.Runtime.StackTrace=, !Protocol.Runtime.StackTraceId=, boolean=)} callback
*/
async editSource(newSource, callback) {
newSource = Script._trimSourceURLComment(newSource);
// We append correct sourceURL to script for consistency only. It's not actually needed for things to work correctly.
newSource = this._appendSourceURLCommentIfNeeded(newSource);
if (!this.scriptId) {
callback('Script failed to parse');
return;
}
await this.requestContent();
if (this._source === newSource) {
callback(null);
return;
}
const response = await this.debuggerModel.target().debuggerAgent().invoke_setScriptSource(
{scriptId: this.scriptId, scriptSource: newSource});
if (!response[ProtocolClient.InspectorBackend.ProtocolError] && !response.exceptionDetails) {
this._source = newSource;
}
const needsStepIn = !!response.stackChanged;
callback(
response[ProtocolClient.InspectorBackend.ProtocolError], response.exceptionDetails, response.callFrames,
response.asyncStackTrace, response.asyncStackTraceId, needsStepIn);
}
/**
* @param {number} lineNumber
* @param {number=} columnNumber
* @return {?Location}
*/
rawLocation(lineNumber, columnNumber) {
if (this.containsLocation(lineNumber, columnNumber)) {
return new Location(this.debuggerModel, this.scriptId, lineNumber, columnNumber);
}
return null;
}
/**
* @param {number} lineNumber
* @return {?Location}
*/
wasmByteLocation(lineNumber) {
if (lineNumber < this._lineMap.length) {
return new Location(this.debuggerModel, this.scriptId, 0, this._lineMap[lineNumber]);
}
return null;
}
/**
* @param {number} byteOffset
* @return {number}
*/
wasmDisassemblyLine(byteOffset) {
let line = 0;
// TODO: Implement binary search if necessary for large wasm modules
while (line < this._lineMap.length && byteOffset > this._lineMap[line]) {
line++;
}
return line;
}
/**
*
* @param {!Location} location
* @return {!Array.}
*/
toRelativeLocation(location) {
console.assert(
location.scriptId === this.scriptId, '`toRelativeLocation` must be used with location of the same script');
const relativeLineNumber = location.lineNumber - this.lineOffset;
const relativeColumnNumber = (location.columnNumber || 0) - (relativeLineNumber === 0 ? this.columnOffset : 0);
return [relativeLineNumber, relativeColumnNumber];
}
/**
* @return {boolean}
*/
isInlineScript() {
const startsAtZero = !this.lineOffset && !this.columnOffset;
return !this.isWasm() && !!this.sourceURL && !startsAtZero;
}
/**
* @return {boolean}
*/
isAnonymousScript() {
return !this.sourceURL;
}
/**
* @return {boolean}
*/
isInlineScriptWithSourceURL() {
return !!this.hasSourceURL && this.isInlineScript();
}
/**
* @param {!Array} positions
* @return {!Promise}
*/
async setBlackboxedRanges(positions) {
const response = await this.debuggerModel.target().debuggerAgent().invoke_setBlackboxedRanges(
{scriptId: this.scriptId, positions});
return !response[ProtocolClient.InspectorBackend.ProtocolError];
}
containsLocation(lineNumber, columnNumber) {
const afterStart =
(lineNumber === this.lineOffset && columnNumber >= this.columnOffset) || lineNumber > this.lineOffset;
const beforeEnd = lineNumber < this.endLine || (lineNumber === this.endLine && columnNumber <= this.endColumn);
return afterStart && beforeEnd;
}
/**
* @return {string}
*/
get frameId() {
if (typeof this[frameIdSymbol] !== 'string') {
this[frameIdSymbol] = frameIdForScript(this);
}
return this[frameIdSymbol];
}
}
const frameIdSymbol = Symbol('frameid');
/**
* @param {!Script} script
* @return {string}
*/
function frameIdForScript(script) {
const executionContext = script.executionContext();
if (executionContext) {
return executionContext.frameId || '';
}
// This is to overcome compilation cache which doesn't get reset.
const resourceTreeModel = script.debuggerModel.target().model(ResourceTreeModel);
if (!resourceTreeModel || !resourceTreeModel.mainFrame) {
return '';
}
return resourceTreeModel.mainFrame.id;
}
export const sourceURLRegex = /^[\040\t]*\/\/[@#] sourceURL=\s*(\S*?)\s*$/;
