diff options
Diffstat (limited to 'cli/rt/40_error_stack.js')
| -rw-r--r-- | cli/rt/40_error_stack.js | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/cli/rt/40_error_stack.js b/cli/rt/40_error_stack.js index 834503e34..da2ee51f3 100644 --- a/cli/rt/40_error_stack.js +++ b/cli/rt/40_error_stack.js @@ -1,11 +1,7 @@ // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license. ((window) => { - // Some of the code here is adapted directly from V8 and licensed under a BSD - // style license available here: https://github.com/v8/v8/blob/24886f2d1c565287d33d71e4109a53bf0b54b75c/LICENSE.v8 const core = window.Deno.core; - const assert = window.__bootstrap.util.assert; - const internals = window.__bootstrap.internals; function opFormatDiagnostics(diagnostics) { return core.jsonOpSync("op_format_diagnostic", diagnostics); @@ -20,229 +16,7 @@ }; } - function patchCallSite(callSite, location) { - return { - getThis() { - return callSite.getThis(); - }, - getTypeName() { - return callSite.getTypeName(); - }, - getFunction() { - return callSite.getFunction(); - }, - getFunctionName() { - return callSite.getFunctionName(); - }, - getMethodName() { - return callSite.getMethodName(); - }, - getFileName() { - return location.fileName; - }, - getLineNumber() { - return location.lineNumber; - }, - getColumnNumber() { - return location.columnNumber; - }, - getEvalOrigin() { - return callSite.getEvalOrigin(); - }, - isToplevel() { - return callSite.isToplevel(); - }, - isEval() { - return callSite.isEval(); - }, - isNative() { - return callSite.isNative(); - }, - isConstructor() { - return callSite.isConstructor(); - }, - isAsync() { - return callSite.isAsync(); - }, - isPromiseAll() { - return callSite.isPromiseAll(); - }, - getPromiseIndex() { - return callSite.getPromiseIndex(); - }, - }; - } - - // Keep in sync with `cli/fmt_errors.rs`. - function formatLocation(callSite) { - if (callSite.isNative()) { - return "native"; - } - - let result = ""; - - const fileName = callSite.getFileName(); - - if (fileName) { - result += fileName; - } else { - if (callSite.isEval()) { - const evalOrigin = callSite.getEvalOrigin(); - assert(evalOrigin != null); - result += `${evalOrigin}, `; - } - result += "<anonymous>"; - } - - const lineNumber = callSite.getLineNumber(); - if (lineNumber != null) { - result += `:${lineNumber}`; - - const columnNumber = callSite.getColumnNumber(); - if (columnNumber != null) { - result += `:${columnNumber}`; - } - } - - return result; - } - - // Keep in sync with `cli/fmt_errors.rs`. - function formatCallSite(callSite) { - let result = ""; - const functionName = callSite.getFunctionName(); - - const isTopLevel = callSite.isToplevel(); - const isAsync = callSite.isAsync(); - const isPromiseAll = callSite.isPromiseAll(); - const isConstructor = callSite.isConstructor(); - const isMethodCall = !(isTopLevel || isConstructor); - - if (isAsync) { - result += "async "; - } - if (isPromiseAll) { - result += `Promise.all (index ${callSite.getPromiseIndex()})`; - return result; - } - if (isMethodCall) { - const typeName = callSite.getTypeName(); - const methodName = callSite.getMethodName(); - - if (functionName) { - if (typeName) { - if (!functionName.startsWith(typeName)) { - result += `${typeName}.`; - } - } - result += functionName; - if (methodName) { - if (!functionName.endsWith(methodName)) { - result += ` [as ${methodName}]`; - } - } - } else { - if (typeName) { - result += `${typeName}.`; - } - if (methodName) { - result += methodName; - } else { - result += "<anonymous>"; - } - } - } else if (isConstructor) { - result += "new "; - if (functionName) { - result += functionName; - } else { - result += "<anonymous>"; - } - } else if (functionName) { - result += functionName; - } else { - result += formatLocation(callSite); - return result; - } - - result += ` (${formatLocation(callSite)})`; - return result; - } - - function evaluateCallSite(callSite) { - return { - this: callSite.getThis(), - typeName: callSite.getTypeName(), - function: callSite.getFunction(), - functionName: callSite.getFunctionName(), - methodName: callSite.getMethodName(), - fileName: callSite.getFileName(), - lineNumber: callSite.getLineNumber(), - columnNumber: callSite.getColumnNumber(), - evalOrigin: callSite.getEvalOrigin(), - isToplevel: callSite.isToplevel(), - isEval: callSite.isEval(), - isNative: callSite.isNative(), - isConstructor: callSite.isConstructor(), - isAsync: callSite.isAsync(), - isPromiseAll: callSite.isPromiseAll(), - promiseIndex: callSite.getPromiseIndex(), - }; - } - - function prepareStackTrace( - error, - callSites, - ) { - const mappedCallSites = callSites.map( - (callSite) => { - const fileName = callSite.getFileName(); - const lineNumber = callSite.getLineNumber(); - const columnNumber = callSite.getColumnNumber(); - if (fileName && lineNumber != null && columnNumber != null) { - return patchCallSite( - callSite, - opApplySourceMap({ - fileName, - lineNumber, - columnNumber, - }), - ); - } - return callSite; - }, - ); - Object.defineProperties(error, { - __callSiteEvals: { value: [], configurable: true }, - }); - const formattedCallSites = []; - for (const callSite of mappedCallSites) { - error.__callSiteEvals.push(Object.freeze(evaluateCallSite(callSite))); - formattedCallSites.push(formatCallSite(callSite)); - } - Object.freeze(error.__callSiteEvals); - const message = error.message !== undefined ? error.message : ""; - const name = error.name !== undefined ? error.name : "Error"; - let messageLine; - if (name != "" && message != "") { - messageLine = `${name}: ${message}`; - } else if ((name || message) != "") { - messageLine = name || message; - } else { - messageLine = ""; - } - return messageLine + - formattedCallSites.map((s) => `\n at ${s}`).join(""); - } - - function setPrepareStackTrace(ErrorConstructor) { - ErrorConstructor.prepareStackTrace = prepareStackTrace; - } - - internals.exposeForTest("setPrepareStackTrace", setPrepareStackTrace); - window.__bootstrap.errorStack = { - setPrepareStackTrace, opApplySourceMap, opFormatDiagnostics, }; |