1 files changed, 0 insertions, 186 deletions
diff --git a/cli/js2/40_repl.js b/cli/js2/40_repl.js
deleted file mode 100644
index 4966c45be..000000000
--- a/cli/js2/40_repl.js
+++ /dev/null
@@ -1,186 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-
-((window) => {
-  const core = window.Deno.core;
-  const exit = window.__bootstrap.os.exit;
-  const version = window.__bootstrap.version.version;
-  const dispatchJson = window.__bootstrap.dispatchJson;
-  const close = window.__bootstrap.resources.close;
-  const inspectArgs = window.__bootstrap.console.inspectArgs;
-
-  function opStartRepl(historyFile) {
-    return dispatchJson.sendSync("op_repl_start", { historyFile });
-  }
-
-  function opReadline(rid, prompt) {
-    return dispatchJson.sendAsync("op_repl_readline", { rid, prompt });
-  }
-
-  function replLog(...args) {
-    core.print(inspectArgs(args) + "\n");
-  }
-
-  function replError(...args) {
-    core.print(inspectArgs(args) + "\n", true);
-  }
-
-  // Error messages that allow users to continue input
-  // instead of throwing an error to REPL
-  // ref: https://github.com/v8/v8/blob/master/src/message-template.h
-  // TODO(kevinkassimo): this list might not be comprehensive
-  const recoverableErrorMessages = [
-    "Unexpected end of input", // { or [ or (
-    "Missing initializer in const declaration", // const a
-    "Missing catch or finally after try", // try {}
-    "missing ) after argument list", // console.log(1
-    "Unterminated template literal", // `template
-    // TODO(kevinkassimo): need a parser to handling errors such as:
-    // "Missing } in template expression" // `${ or `${ a 123 }`
-  ];
-
-  function isRecoverableError(e) {
-    return recoverableErrorMessages.includes(e.message);
-  }
-
-  // Returns `true` if `close()` is called in REPL.
-  // We should quit the REPL when this function returns `true`.
-  function isCloseCalled() {
-    return globalThis.closed;
-  }
-
-  let lastEvalResult = undefined;
-  let lastThrownError = undefined;
-
-  // Evaluate code.
-  // Returns true if code is consumed (no error/irrecoverable error).
-  // Returns false if error is recoverable
-  function evaluate(code) {
-    // each evalContext is a separate function body, and we want strict mode to
-    // work, so we should ensure that the code starts with "use strict"
-    const [result, errInfo] = core.evalContext(`"use strict";\n\n${code}`);
-    if (!errInfo) {
-      // when a function is eval'ed with just "use strict" sometimes the result
-      // is "use strict" which should be discarded
-      lastEvalResult = typeof result === "string" && result === "use strict"
-        ? undefined
-        : result;
-      if (!isCloseCalled()) {
-        replLog(lastEvalResult);
-      }
-    } else if (errInfo.isCompileError && isRecoverableError(errInfo.thrown)) {
-      // Recoverable compiler error
-      return false; // don't consume code.
-    } else {
-      lastThrownError = errInfo.thrown;
-      if (errInfo.isNativeError) {
-        const formattedError = core.formatError(errInfo.thrown);
-        replError(formattedError);
-      } else {
-        replError("Thrown:", errInfo.thrown);
-      }
-    }
-    return true;
-  }
-
-  async function replLoop() {
-    const { console } = globalThis;
-
-    const historyFile = "deno_history.txt";
-    const rid = opStartRepl(historyFile);
-
-    const quitRepl = (exitCode) => {
-      // Special handling in case user calls deno.close(3).
-      try {
-        close(rid); // close signals Drop on REPL and saves history.
-      } catch {}
-      exit(exitCode);
-    };
-
-    // Configure globalThis._ to give the last evaluation result.
-    Object.defineProperty(globalThis, "_", {
-      configurable: true,
-      get: () => lastEvalResult,
-      set: (value) => {
-        Object.defineProperty(globalThis, "_", {
-          value: value,
-          writable: true,
-          enumerable: true,
-          configurable: true,
-        });
-        console.log("Last evaluation result is no longer saved to _.");
-      },
-    });
-
-    // Configure globalThis._error to give the last thrown error.
-    Object.defineProperty(globalThis, "_error", {
-      configurable: true,
-      get: () => lastThrownError,
-      set: (value) => {
-        Object.defineProperty(globalThis, "_error", {
-          value: value,
-          writable: true,
-          enumerable: true,
-          configurable: true,
-        });
-        console.log("Last thrown error is no longer saved to _error.");
-      },
-    });
-
-    replLog(`Deno ${version.deno}`);
-    replLog("exit using ctrl+d or close()");
-
-    while (true) {
-      if (isCloseCalled()) {
-        quitRepl(0);
-      }
-
-      let code = "";
-      // Top level read
-      try {
-        code = await opReadline(rid, "> ");
-        if (code.trim() === "") {
-          continue;
-        }
-      } catch (err) {
-        if (err.message === "EOF") {
-          quitRepl(0);
-        } else {
-          // If interrupted, don't print error.
-          if (err.message !== "Interrupted") {
-            // e.g. this happens when we have deno.close(3).
-            // We want to display the problem.
-            const formattedError = core.formatError(err);
-            replError(formattedError);
-          }
-          // Quit REPL anyways.
-          quitRepl(1);
-        }
-      }
-      // Start continued read
-      while (!evaluate(code)) {
-        code += "\n";
-        try {
-          code += await opReadline(rid, "  ");
-        } catch (err) {
-          // If interrupted on continued read,
-          // abort this read instead of quitting.
-          if (err.message === "Interrupted") {
-            break;
-          } else if (err.message === "EOF") {
-            quitRepl(0);
-          } else {
-            // e.g. this happens when we have deno.close(3).
-            // We want to display the problem.
-            const formattedError = core.formatError(err);
-            replError(formattedError);
-            quitRepl(1);
-          }
-        }
-      }
-    }
-  }
-
-  window.__bootstrap.repl = {
-    replLoop,
-  };
-})(this);