summaryrefslogtreecommitdiff
path: root/node_modules/regenerator-transform/src/leap.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/regenerator-transform/src/leap.js')
-rw-r--r--node_modules/regenerator-transform/src/leap.js179
1 files changed, 0 insertions, 179 deletions
diff --git a/node_modules/regenerator-transform/src/leap.js b/node_modules/regenerator-transform/src/leap.js
deleted file mode 100644
index afbcda04..00000000
--- a/node_modules/regenerator-transform/src/leap.js
+++ /dev/null
@@ -1,179 +0,0 @@
-/**
- * Copyright (c) 2014-present, Facebook, Inc.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-import assert from "assert";
-import { Emitter } from "./emit";
-import { inherits } from "util";
-import { getTypes } from "./util";
-
-function Entry() {
- assert.ok(this instanceof Entry);
-}
-
-function FunctionEntry(returnLoc) {
- Entry.call(this);
- getTypes().assertLiteral(returnLoc);
- this.returnLoc = returnLoc;
-}
-
-inherits(FunctionEntry, Entry);
-exports.FunctionEntry = FunctionEntry;
-
-function LoopEntry(breakLoc, continueLoc, label) {
- Entry.call(this);
-
- const t = getTypes();
-
- t.assertLiteral(breakLoc);
- t.assertLiteral(continueLoc);
-
- if (label) {
- t.assertIdentifier(label);
- } else {
- label = null;
- }
-
- this.breakLoc = breakLoc;
- this.continueLoc = continueLoc;
- this.label = label;
-}
-
-inherits(LoopEntry, Entry);
-exports.LoopEntry = LoopEntry;
-
-function SwitchEntry(breakLoc) {
- Entry.call(this);
- getTypes().assertLiteral(breakLoc);
- this.breakLoc = breakLoc;
-}
-
-inherits(SwitchEntry, Entry);
-exports.SwitchEntry = SwitchEntry;
-
-function TryEntry(firstLoc, catchEntry, finallyEntry) {
- Entry.call(this);
-
- const t = getTypes();
- t.assertLiteral(firstLoc);
-
- if (catchEntry) {
- assert.ok(catchEntry instanceof CatchEntry);
- } else {
- catchEntry = null;
- }
-
- if (finallyEntry) {
- assert.ok(finallyEntry instanceof FinallyEntry);
- } else {
- finallyEntry = null;
- }
-
- // Have to have one or the other (or both).
- assert.ok(catchEntry || finallyEntry);
-
- this.firstLoc = firstLoc;
- this.catchEntry = catchEntry;
- this.finallyEntry = finallyEntry;
-}
-
-inherits(TryEntry, Entry);
-exports.TryEntry = TryEntry;
-
-function CatchEntry(firstLoc, paramId) {
- Entry.call(this);
-
- const t = getTypes();
-
- t.assertLiteral(firstLoc);
- t.assertIdentifier(paramId);
-
- this.firstLoc = firstLoc;
- this.paramId = paramId;
-}
-
-inherits(CatchEntry, Entry);
-exports.CatchEntry = CatchEntry;
-
-function FinallyEntry(firstLoc, afterLoc) {
- Entry.call(this);
- const t = getTypes();
- t.assertLiteral(firstLoc);
- t.assertLiteral(afterLoc);
- this.firstLoc = firstLoc;
- this.afterLoc = afterLoc;
-}
-
-inherits(FinallyEntry, Entry);
-exports.FinallyEntry = FinallyEntry;
-
-function LabeledEntry(breakLoc, label) {
- Entry.call(this);
-
- const t = getTypes();
-
- t.assertLiteral(breakLoc);
- t.assertIdentifier(label);
-
- this.breakLoc = breakLoc;
- this.label = label;
-}
-
-inherits(LabeledEntry, Entry);
-exports.LabeledEntry = LabeledEntry;
-
-function LeapManager(emitter) {
- assert.ok(this instanceof LeapManager);
-
- assert.ok(emitter instanceof Emitter);
-
- this.emitter = emitter;
- this.entryStack = [new FunctionEntry(emitter.finalLoc)];
-}
-
-let LMp = LeapManager.prototype;
-exports.LeapManager = LeapManager;
-
-LMp.withEntry = function(entry, callback) {
- assert.ok(entry instanceof Entry);
- this.entryStack.push(entry);
- try {
- callback.call(this.emitter);
- } finally {
- let popped = this.entryStack.pop();
- assert.strictEqual(popped, entry);
- }
-};
-
-LMp._findLeapLocation = function(property, label) {
- for (let i = this.entryStack.length - 1; i >= 0; --i) {
- let entry = this.entryStack[i];
- let loc = entry[property];
- if (loc) {
- if (label) {
- if (entry.label &&
- entry.label.name === label.name) {
- return loc;
- }
- } else if (entry instanceof LabeledEntry) {
- // Ignore LabeledEntry entries unless we are actually breaking to
- // a label.
- } else {
- return loc;
- }
- }
- }
-
- return null;
-};
-
-LMp.getBreakLoc = function(label) {
- return this._findLeapLocation("breakLoc", label);
-};
-
-LMp.getContinueLoc = function(label) {
- return this._findLeapLocation("continueLoc", label);
-};