Source code

Revision control

Copy as Markdown

Other Tools

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
export * from "./source-search";
export * from "../ui";
export * from "./tokens";
import { createEditor } from "./create-editor";
let editor;
export function getEditor() {
if (editor) {
return editor;
}
editor = createEditor({ cm6: true });
return editor;
}
export function removeEditor() {
editor = null;
}
/**
* Update line wrapping for the codemirror editor.
*/
export function updateEditorLineWrapping(value) {
if (!editor) {
return;
}
editor.setLineWrapping(value);
}
export function toWasmSourceLine(offset) {
return editor.wasmOffsetToLine(offset) || 0;
}
/**
* Convert source lines / WASM line offsets to Codemirror lines
* @param {Object} source
* @param {Number} lineOrOffset
* @returns
*/
export function toEditorLine(source, lineOrOffset) {
if (editor.isWasm && !source.isOriginal) {
// TODO ensure offset is always "mappable" to edit line.
return toWasmSourceLine(lineOrOffset) + 1;
}
return lineOrOffset;
}
export function fromEditorLine(source, line) {
// Also ignore the original source related to the .wasm file.
if (editor.isWasm && !source.isOriginal) {
// Content lines is 1-based in CM6 and 0-based in WASM
return editor.lineToWasmOffset(line - 1);
}
return line;
}
export function toEditorPosition(location) {
// Note that Spidermonkey, Debugger frontend and CodeMirror are all consistent regarding column
// and are 0-based. But only CodeMirror consider the line to be 0-based while the two others
// consider lines to be 1-based.
const isSourceWasm = editor.isWasm && !location.source.isOriginal;
return {
line: toEditorLine(location.source, location.line),
column: isSourceWasm || !location.column ? 0 : location.column,
};
}
export function toSourceLine(source, line) {
if (editor.isWasm && !source.isOriginal) {
return editor.lineToWasmOffset(line - 1);
}
return line;
}