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authorRyan Dahl <ry@tinyclouds.org>2020-07-23 10:27:26 -0400
committerGitHub <noreply@github.com>2020-07-23 16:27:26 +0200
commitca4dcb36dd5be0b14a2fafa059ea02ee7e0a0262 (patch)
tree393fc85f19e97bb66402676f67e63690d7a29e00 /cli/js2/40_error_stack.js
parent090455936c892b6f2dfa425be9b1cdfb4c63af4a (diff)
Rename cli/js2 to cli/rt (#6857)
Diffstat (limited to 'cli/js2/40_error_stack.js')
-rw-r--r--cli/js2/40_error_stack.js267
1 files changed, 0 insertions, 267 deletions
diff --git a/cli/js2/40_error_stack.js b/cli/js2/40_error_stack.js
deleted file mode 100644
index 80f4fc5ed..000000000
--- a/cli/js2/40_error_stack.js
+++ /dev/null
@@ -1,267 +0,0 @@
-// 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 colors = window.__bootstrap.colors;
- const assert = window.__bootstrap.util.assert;
- const internals = window.__bootstrap.internals;
- const dispatchJson = window.__bootstrap.dispatchJson;
-
- function opFormatDiagnostics(items) {
- return dispatchJson.sendSync("op_format_diagnostic", { items });
- }
-
- function opApplySourceMap(location) {
- const res = dispatchJson.sendSync("op_apply_source_map", location);
- return {
- fileName: res.fileName,
- lineNumber: res.lineNumber,
- columnNumber: res.columnNumber,
- };
- }
-
- 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();
- },
- };
- }
-
- function getMethodCall(callSite) {
- let result = "";
-
- const typeName = callSite.getTypeName();
- const methodName = callSite.getMethodName();
- const functionName = callSite.getFunctionName();
-
- if (functionName) {
- if (typeName) {
- const startsWithTypeName = functionName.startsWith(typeName);
- if (!startsWithTypeName) {
- 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>";
- }
- }
-
- return result;
- }
-
- function getFileLocation(callSite, internal = false) {
- const cyan = internal ? colors.gray : colors.cyan;
- const yellow = internal ? colors.gray : colors.yellow;
- const black = internal ? colors.gray : (s) => s;
- if (callSite.isNative()) {
- return cyan("native");
- }
-
- let result = "";
-
- const fileName = callSite.getFileName();
- if (!fileName && callSite.isEval()) {
- const evalOrigin = callSite.getEvalOrigin();
- assert(evalOrigin != null);
- result += cyan(`${evalOrigin}, `);
- }
-
- if (fileName) {
- result += cyan(fileName);
- } else {
- result += cyan("<anonymous>");
- }
-
- const lineNumber = callSite.getLineNumber();
- if (lineNumber != null) {
- result += `${black(":")}${yellow(lineNumber.toString())}`;
-
- const columnNumber = callSite.getColumnNumber();
- if (columnNumber != null) {
- result += `${black(":")}${yellow(columnNumber.toString())}`;
- }
- }
-
- return result;
- }
-
- function callSiteToString(callSite, internal = false) {
- const cyan = internal ? colors.gray : colors.cyan;
- const black = internal ? colors.gray : (s) => s;
-
- 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 += colors.gray("async ");
- }
- if (isPromiseAll) {
- result += colors.bold(
- colors.italic(
- black(`Promise.all (index ${callSite.getPromiseIndex()})`),
- ),
- );
- return result;
- }
- if (isMethodCall) {
- result += colors.bold(colors.italic(black(getMethodCall(callSite))));
- } else if (isConstructor) {
- result += colors.gray("new ");
- if (functionName) {
- result += colors.bold(colors.italic(black(functionName)));
- } else {
- result += cyan("<anonymous>");
- }
- } else if (functionName) {
- result += colors.bold(colors.italic(black(functionName)));
- } else {
- result += getFileLocation(callSite, internal);
- return result;
- }
-
- result += ` ${black("(")}${getFileLocation(callSite, internal)}${
- black(")")
- }`;
- return result;
- }
-
- function evaluateCallSite(callSite) {
- return {
- this: callSite.getThis(),
- typeName: callSite.getTypeName(),
- function: callSite.getFunction(),
- functionName: callSite.getFunctionName(),
- methodName: callSite.getMethodName(),
- fileName: callSite.getFileName(),
- lineNumber: callSite.getLineNumber(),
- columnNumber: callSite.getColumnNumber(),
- evalOrigin: callSite.getEvalOrigin(),
- isToplevel: callSite.isToplevel(),
- isEval: callSite.isEval(),
- isNative: callSite.isNative(),
- isConstructor: callSite.isConstructor(),
- isAsync: callSite.isAsync(),
- isPromiseAll: callSite.isPromiseAll(),
- promiseIndex: callSite.getPromiseIndex(),
- };
- }
-
- function prepareStackTrace(
- error,
- callSites,
- ) {
- const mappedCallSites = callSites.map(
- (callSite) => {
- const fileName = callSite.getFileName();
- const lineNumber = callSite.getLineNumber();
- const columnNumber = callSite.getColumnNumber();
- if (fileName && lineNumber != null && columnNumber != null) {
- return patchCallSite(
- callSite,
- opApplySourceMap({
- fileName,
- lineNumber,
- columnNumber,
- }),
- );
- }
- return callSite;
- },
- );
- Object.defineProperties(error, {
- __callSiteEvals: { value: [], configurable: true },
- __formattedFrames: { value: [], configurable: true },
- });
- for (const callSite of mappedCallSites) {
- error.__callSiteEvals.push(Object.freeze(evaluateCallSite(callSite)));
- const isInternal = callSite.getFileName()?.startsWith("$deno$") ?? false;
- error.__formattedFrames.push(callSiteToString(callSite, isInternal));
- }
- Object.freeze(error.__callSiteEvals);
- Object.freeze(error.__formattedFrames);
- return (
- `${error.name}: ${error.message}\n` +
- error.__formattedFrames
- .map((s) => ` at ${colors.stripColor(s)}`)
- .join("\n")
- );
- }
-
- function setPrepareStackTrace(ErrorConstructor) {
- ErrorConstructor.prepareStackTrace = prepareStackTrace;
- }
-
- internals.exposeForTest("setPrepareStackTrace", setPrepareStackTrace);
-
- window.__bootstrap.errorStack = {
- setPrepareStackTrace,
- opApplySourceMap,
- opFormatDiagnostics,
- };
-})(this);