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code-server-2/lib/vscode/extensions/php/build/update-grammar.js
2021-03-11 10:27:10 -07:00

76 lines
3.9 KiB
JavaScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
'use strict';
const updateGrammar = require('vscode-grammar-updater');
function adaptInjectionScope(grammar) {
// we're using the HTML grammar from https://github.com/textmate/html.tmbundle which has moved away from source.js.embedded.html
// also we need to add source.css scope for PHP code in <style> tags, which are handled differently in atom
const oldInjectionKey = "text.html.php - (meta.embedded | meta.tag), L:((text.html.php meta.tag) - (meta.embedded.block.php | meta.embedded.line.php)), L:(source.js.embedded.html - (meta.embedded.block.php | meta.embedded.line.php))";
const newInjectionKey = "text.html.php - (meta.embedded | meta.tag), L:((text.html.php meta.tag) - (meta.embedded.block.php | meta.embedded.line.php)), L:(source.js - (meta.embedded.block.php | meta.embedded.line.php)), L:(source.css - (meta.embedded.block.php | meta.embedded.line.php))";
const injections = grammar.injections;
const injection = injections[oldInjectionKey];
if (!injection) {
throw new Error("Can not find PHP injection to patch");
}
delete injections[oldInjectionKey];
injections[newInjectionKey] = injection;
}
function includeDerivativeHtml(grammar) {
grammar.patterns.forEach(pattern => {
if (pattern.include === 'text.html.basic') {
pattern.include = 'text.html.derivative';
}
});
}
// Workaround for https://github.com/microsoft/vscode/issues/40279
// and https://github.com/microsoft/vscode-textmate/issues/59
function fixBadRegex(grammar) {
function fail(msg) {
throw new Error(`fixBadRegex callback couldn't patch ${msg}. It may be obsolete`);
}
const scopeResolution = grammar.repository['scope-resolution'];
if (scopeResolution) {
const match = scopeResolution.patterns[0].match;
if (match === '(?i)([a-z_\\x{7f}-\\x{7fffffff}\\\\][a-z0-9_\\x{7f}-\\x{7fffffff}\\\\]*)(?=\\s*::)') {
scopeResolution.patterns[0].match = '([A-Za-z_\\x{7f}-\\x{7fffffff}\\\\][A-Za-z0-9_\\x{7f}-\\x{7fffffff}\\\\]*)(?=\\s*::)';
} else {
fail('scope-resolution.match');
}
} else {
fail('scope-resolution');
}
const functionCall = grammar.repository['function-call'];
if (functionCall) {
const begin0 = functionCall.patterns[0].begin;
if (begin0 === '(?xi)\n(\n \\\\?(?<![a-z0-9_\\x{7f}-\\x{7fffffff}]) # Optional root namespace\n [a-z_\\x{7f}-\\x{7fffffff}][a-z0-9_\\x{7f}-\\x{7fffffff}]* # First namespace\n (?:\\\\[a-z_\\x{7f}-\\x{7fffffff}][a-z0-9_\\x{7f}-\\x{7fffffff}]*)+ # Additional namespaces\n)\\s*(\\()') {
functionCall.patterns[0].begin = '(?x)\n(\n \\\\?(?<![a-zA-Z0-9_\\x{7f}-\\x{7fffffff}]) # Optional root namespace\n [a-zA-Z_\\x{7f}-\\x{7fffffff}][a-zA-Z0-9_\\x{7f}-\\x{7fffffff}]* # First namespace\n (?:\\\\[a-zA-Z_\\x{7f}-\\x{7fffffff}][a-zA-Z0-9_\\x{7f}-\\x{7fffffff}]*)+ # Additional namespaces\n)\\s*(\\()';
} else {
fail('function-call.begin0');
}
const begin1 = functionCall.patterns[1].begin;
if (begin1 === '(?i)(\\\\)?(?<![a-z0-9_\\x{7f}-\\x{7fffffff}])([a-z_\\x{7f}-\\x{7fffffff}][a-z0-9_\\x{7f}-\\x{7fffffff}]*)\\s*(\\()') {
functionCall.patterns[1].begin = '(\\\\)?(?<![a-zA-Z0-9_\\x{7f}-\\x{7fffffff}])([a-zA-Z_\\x{7f}-\\x{7fffffff}][a-zA-Z0-9_\\x{7f}-\\x{7fffffff}]*)\\s*(\\()';
} else {
fail('function-call.begin1');
}
} else {
fail('function-call');
}
}
updateGrammar.update('atom/language-php', 'grammars/php.cson', './syntaxes/php.tmLanguage.json', fixBadRegex);
updateGrammar.update('atom/language-php', 'grammars/html.cson', './syntaxes/html.tmLanguage.json', grammar => {
adaptInjectionScope(grammar);
includeDerivativeHtml(grammar);
});