1 files changed, 0 insertions, 273 deletions
diff --git a/v8_source_maps.ts b/v8_source_maps.ts
deleted file mode 100644
index 2384f34dc..000000000
--- a/v8_source_maps.ts
+++ /dev/null
@@ -1,273 +0,0 @@
-// Copyright 2014 Evan Wallace
-// Copyright 2018 Ryan Dahl <ry@tinyclouds.org>
-// All rights reserved. MIT License.
-// Originated from source-map-support but has been heavily modified for deno.
-import { SourceMapConsumer, MappedPosition } from "source-map";
-import * as base64 from "base64-js";
-import { arrayToStr } from "./util";
-
-const consumers = new Map<string, SourceMapConsumer>();
-
-interface Options {
-  // A callback the returns generated file contents.
-  getGeneratedContents: GetGeneratedContentsCallback;
-  // Usually set the following to true. Set to false for testing.
-  installPrepareStackTrace: boolean;
-}
-
-interface CallSite extends NodeJS.CallSite {
-  getScriptNameOrSourceURL(): string;
-}
-
-interface Position {
-  source: string; // Filename
-  column: number;
-  line: number;
-}
-
-type GetGeneratedContentsCallback = (fileName: string) => string;
-
-let getGeneratedContents: GetGeneratedContentsCallback;
-
-export function install(options: Options) {
-  getGeneratedContents = options.getGeneratedContents;
-  if (options.installPrepareStackTrace) {
-    Error.prepareStackTrace = prepareStackTraceWrapper;
-  }
-}
-
-export function prepareStackTraceWrapper(
-  error: Error,
-  stack: CallSite[]
-): string {
-  try {
-    return prepareStackTrace(error, stack);
-  } catch (prepareStackError) {
-    Error.prepareStackTrace = null;
-    console.log("=====Error inside of prepareStackTrace====");
-    console.log(prepareStackError.stack.toString());
-    console.log("=====Original error=======================");
-    throw error;
-  }
-}
-
-export function prepareStackTrace(error: Error, stack: CallSite[]): string {
-  const frames = stack.map(
-    (frame: CallSite) => `\n    at ${wrapCallSite(frame).toString()}`
-  );
-  return error.toString() + frames.join("");
-}
-
-export function wrapCallSite(frame: CallSite): CallSite {
-  if (frame.isNative()) {
-    return frame;
-  }
-
-  // Most call sites will return the source file from getFileName(), but code
-  // passed to eval() ending in "//# sourceURL=..." will return the source file
-  // from getScriptNameOrSourceURL() instead
-  const source = frame.getFileName() || frame.getScriptNameOrSourceURL();
-
-  if (source) {
-    const line = frame.getLineNumber();
-    const column = frame.getColumnNumber() - 1;
-    const position = mapSourcePosition({ source, line, column });
-    frame = cloneCallSite(frame);
-    frame.getFileName = () => position.source;
-    frame.getLineNumber = () => position.line;
-    frame.getColumnNumber = () => Number(position.column) + 1;
-    frame.getScriptNameOrSourceURL = () => position.source;
-    frame.toString = () => CallSiteToString(frame);
-    return frame;
-  }
-
-  // Code called using eval() needs special handling
-  let origin = frame.isEval() && frame.getEvalOrigin();
-  if (origin) {
-    origin = mapEvalOrigin(origin);
-    frame = cloneCallSite(frame);
-    frame.getEvalOrigin = () => origin;
-    return frame;
-  }
-
-  // If we get here then we were unable to change the source position
-  return frame;
-}
-
-function cloneCallSite(frame: CallSite): CallSite {
-  // tslint:disable:no-any
-  const obj: any = {};
-  const frame_ = frame as any;
-  const props = Object.getOwnPropertyNames(Object.getPrototypeOf(frame));
-  props.forEach(name => {
-    obj[name] = /^(?:is|get)/.test(name)
-      ? () => frame_[name].call(frame)
-      : frame_[name];
-  });
-  return (obj as any) as CallSite;
-  // tslint:enable:no-any
-}
-
-// Taken from source-map-support, original copied from V8's messages.js
-// MIT License. Copyright (c) 2014 Evan Wallace
-function CallSiteToString(frame: CallSite): string {
-  let fileName;
-  let fileLocation = "";
-  if (frame.isNative()) {
-    fileLocation = "native";
-  } else {
-    fileName = frame.getScriptNameOrSourceURL();
-    if (!fileName && frame.isEval()) {
-      fileLocation = frame.getEvalOrigin();
-      fileLocation += ", "; // Expecting source position to follow.
-    }
-
-    if (fileName) {
-      fileLocation += fileName;
-    } else {
-      // Source code does not originate from a file and is not native, but we
-      // can still get the source position inside the source string, e.g. in
-      // an eval string.
-      fileLocation += "<anonymous>";
-    }
-    const lineNumber = frame.getLineNumber();
-    if (lineNumber != null) {
-      fileLocation += ":" + String(lineNumber);
-      const columnNumber = frame.getColumnNumber();
-      if (columnNumber) {
-        fileLocation += ":" + String(columnNumber);
-      }
-    }
-  }
-
-  let line = "";
-  const functionName = frame.getFunctionName();
-  let addSuffix = true;
-  const isConstructor = frame.isConstructor();
-  const isMethodCall = !(frame.isToplevel() || isConstructor);
-  if (isMethodCall) {
-    let typeName = frame.getTypeName();
-    // Fixes shim to be backward compatable with Node v0 to v4
-    if (typeName === "[object Object]") {
-      typeName = "null";
-    }
-    const methodName = frame.getMethodName();
-    if (functionName) {
-      if (typeName && functionName.indexOf(typeName) !== 0) {
-        line += typeName + ".";
-      }
-      line += functionName;
-      if (
-        methodName &&
-        functionName.indexOf("." + methodName) !==
-          functionName.length - methodName.length - 1
-      ) {
-        line += ` [as ${methodName} ]`;
-      }
-    } else {
-      line += typeName + "." + (methodName || "<anonymous>");
-    }
-  } else if (isConstructor) {
-    line += "new " + (functionName || "<anonymous>");
-  } else if (functionName) {
-    line += functionName;
-  } else {
-    line += fileLocation;
-    addSuffix = false;
-  }
-  if (addSuffix) {
-    line += ` (${fileLocation})`;
-  }
-  return line;
-}
-
-// Regex for detecting source maps
-const reSourceMap = /^data:application\/json[^,]+base64,/;
-
-function loadConsumer(source: string): SourceMapConsumer {
-  let consumer = consumers.get(source);
-  if (consumer == null) {
-    const code = getGeneratedContents(source);
-    if (!code) {
-      return null;
-    }
-
-    let sourceMappingURL = retrieveSourceMapURL(code);
-    if (!sourceMappingURL) {
-      throw Error("No source map?");
-    }
-
-    let sourceMapData: string;
-    if (reSourceMap.test(sourceMappingURL)) {
-      // Support source map URL as a data url
-      const rawData = sourceMappingURL.slice(sourceMappingURL.indexOf(",") + 1);
-      const ui8 = base64.toByteArray(rawData);
-      sourceMapData = arrayToStr(ui8);
-      sourceMappingURL = source;
-    } else {
-      // Support source map URLs relative to the source URL
-      //sourceMappingURL = supportRelativeURL(source, sourceMappingURL);
-      sourceMapData = getGeneratedContents(sourceMappingURL);
-    }
-
-    //console.log("sourceMapData", sourceMapData);
-    const rawSourceMap = JSON.parse(sourceMapData);
-    consumer = new SourceMapConsumer(rawSourceMap);
-    consumers.set(source, consumer);
-  }
-  return consumer;
-}
-
-function retrieveSourceMapURL(fileData: string): string {
-  // Get the URL of the source map
-  // tslint:disable-next-line:max-line-length
-  const re = /(?:\/\/[@#][ \t]+sourceMappingURL=([^\s'"]+?)[ \t]*$)|(?:\/\*[@#][ \t]+sourceMappingURL=([^\*]+?)[ \t]*(?:\*\/)[ \t]*$)/gm;
-  // Keep executing the search to find the *last* sourceMappingURL to avoid
-  // picking up sourceMappingURLs from comments, strings, etc.
-  let lastMatch, match;
-  while ((match = re.exec(fileData))) {
-    lastMatch = match;
-  }
-  if (!lastMatch) {
-    return null;
-  }
-  return lastMatch[1];
-}
-
-function mapSourcePosition(position: Position): MappedPosition {
-  const consumer = loadConsumer(position.source);
-  if (consumer == null) {
-    return position;
-  }
-  const mapped = consumer.originalPositionFor(position);
-  return mapped;
-}
-
-// Parses code generated by FormatEvalOrigin(), a function inside V8:
-// https://code.google.com/p/v8/source/browse/trunk/src/messages.js
-function mapEvalOrigin(origin: string): string {
-  // Most eval() calls are in this format
-  let match = /^eval at ([^(]+) \((.+):(\d+):(\d+)\)$/.exec(origin);
-  if (match) {
-    const position = mapSourcePosition({
-      source: match[2],
-      line: Number(match[3]),
-      column: Number(match[4]) - 1
-    });
-    const pos = [
-      position.source,
-      position.line,
-      Number(position.column) + 1
-    ].join(":");
-    return `eval at ${match[1]} (${pos})`;
-  }
-
-  // Parse nested eval() calls using recursion
-  match = /^eval at ([^(]+) \((.+)\)$/.exec(origin);
-  if (match) {
-    return `eval at ${match[1]} (${mapEvalOrigin(match[2])})`;
-  }
-
-  // Make sure we still return useful information if we didn't find anything
-  return origin;
-}