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Diffstat (limited to '')
-rw-r--r-- | devtools/server/actors/utils/logEvent.js | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/devtools/server/actors/utils/logEvent.js b/devtools/server/actors/utils/logEvent.js new file mode 100644 index 0000000000..88b166619e --- /dev/null +++ b/devtools/server/actors/utils/logEvent.js @@ -0,0 +1,112 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +const { + formatDisplayName, +} = require("resource://devtools/server/actors/frame.js"); +const { + TYPES, + getResourceWatcher, +} = require("resource://devtools/server/actors/resources/index.js"); + +// Get a string message to display when a frame evaluation throws. +function getThrownMessage(completion) { + try { + if (completion.throw.getOwnPropertyDescriptor) { + return completion.throw.getOwnPropertyDescriptor("message").value; + } else if (completion.toString) { + return completion.toString(); + } + } catch (ex) { + // ignore + } + return "Unknown exception"; +} +module.exports.getThrownMessage = getThrownMessage; + +function logEvent({ threadActor, frame, level, expression, bindings }) { + const { sourceActor, line, column } = + threadActor.sourcesManager.getFrameLocation(frame); + const displayName = formatDisplayName(frame); + + // TODO remove this branch when (#1592584) lands (#1609540) + if (isWorker) { + threadActor._parent._consoleActor.evaluateJS({ + text: `console.log(...${expression})`, + bindings: { displayName, ...bindings }, + url: sourceActor.url, + lineNumber: line, + disableBreaks: true, + }); + + return undefined; + } + + let completion; + // Ensure disabling all types of breakpoints for all sources while evaluating the log points + threadActor.insideClientEvaluation = { disableBreaks: true }; + try { + completion = frame.evalWithBindings( + expression, + { + displayName, + ...bindings, + }, + { hideFromDebugger: true } + ); + } finally { + threadActor.insideClientEvaluation = null; + } + + let value; + if (!completion) { + // The evaluation was killed (possibly by the slow script dialog). + value = ["Evaluation failed"]; + } else if ("return" in completion) { + value = completion.return; + } else { + value = [getThrownMessage(completion)]; + level = `${level}Error`; + } + + if (value && typeof value.unsafeDereference === "function") { + value = value.unsafeDereference(); + } + + const targetActor = threadActor._parent; + const message = { + filename: sourceActor.url, + lineNumber: line, + columnNumber: column, + arguments: value, + level, + timeStamp: ChromeUtils.dateNow(), + chromeContext: + targetActor.actorID && + /conn\d+\.parentProcessTarget\d+/.test(targetActor.actorID), + // The 'prepareConsoleMessageForRemote' method in webconsoleActor expects internal source ID, + // thus we can't set sourceId directly to sourceActorID. + sourceId: sourceActor.internalSourceId, + }; + + // Note that only WindowGlobalTarget actor support resource watcher + // This is still missing for worker and content processes + const consoleMessageWatcher = getResourceWatcher( + targetActor, + TYPES.CONSOLE_MESSAGE + ); + if (consoleMessageWatcher) { + consoleMessageWatcher.emitMessages([message]); + } else { + // Bug 1642296: Once we enable ConsoleMessage resource on the server, we should remove onConsoleAPICall + // from the WebConsoleActor, and only support the ConsoleMessageWatcher codepath. + targetActor._consoleActor.onConsoleAPICall(message); + } + + return undefined; +} + +module.exports.logEvent = logEvent; |