316 lines
10 KiB
JavaScript
316 lines
10 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://codemirror.net/LICENSE
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// Taken from https://github.com/tangrams/GLSL-live-editor/blob/master/src/codemirror/mode/webGL-clike.js
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/* eslint-disable */
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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CodeMirror.defineMode("clike", function(config, parserConfig) {
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var indentUnit = config.indentUnit,
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statementIndentUnit = parserConfig.statementIndentUnit || indentUnit,
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dontAlignCalls = parserConfig.dontAlignCalls,
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keywords = parserConfig.keywords || {},
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builtin = parserConfig.builtin || {},
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blockKeywords = parserConfig.blockKeywords || {},
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atoms = parserConfig.atoms || {},
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hooks = parserConfig.hooks || {},
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multiLineStrings = parserConfig.multiLineStrings,
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indentStatements = parserConfig.indentStatements !== false;
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var isOperatorChar = /[+\-*&%=<>!?|\/]/;
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var curPunc;
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function tokenBase(stream, state) {
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var ch = stream.next();
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if (hooks[ch]) {
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var result = hooks[ch](stream, state);
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if (result !== false) return result;
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}
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if (ch == '"' || ch == "'") {
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state.tokenize = tokenString(ch);
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return state.tokenize(stream, state);
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}
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if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
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curPunc = ch;
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return null;
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}
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if (/\d/.test(ch)) {
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stream.eatWhile(/[\w\.]/);
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return "number";
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}
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if (ch == "/") {
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if (stream.eat("*")) {
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state.tokenize = tokenComment;
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return tokenComment(stream, state);
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}
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if (stream.eat("/")) {
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stream.skipToEnd();
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return "comment";
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}
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}
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if (isOperatorChar.test(ch)) {
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stream.eatWhile(isOperatorChar);
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return "operator";
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}
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stream.eatWhile(/[\w\$_\xa1-\uffff]/);
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var cur = stream.current();
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if (keywords.propertyIsEnumerable(cur)) {
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if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
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return "keyword";
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}
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if (builtin.propertyIsEnumerable(cur)) {
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if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
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return "builtin";
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}
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if (atoms.propertyIsEnumerable(cur)) return "atom";
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return "variable";
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}
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function tokenString(quote) {
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return function(stream, state) {
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var escaped = false, next, end = false;
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while ((next = stream.next()) != null) {
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if (next == quote && !escaped) {end = true; break;}
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escaped = !escaped && next == "\\";
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}
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if (end || !(escaped || multiLineStrings))
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state.tokenize = null;
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return "string";
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};
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}
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function tokenComment(stream, state) {
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var maybeEnd = false, ch;
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while (ch = stream.next()) {
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if (ch == "/" && maybeEnd) {
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state.tokenize = null;
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break;
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}
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maybeEnd = (ch == "*");
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}
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return "comment";
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}
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function Context(indented, column, type, align, prev) {
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this.indented = indented;
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this.column = column;
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this.type = type;
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this.align = align;
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this.prev = prev;
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}
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function pushContext(state, col, type) {
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var indent = state.indented;
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if (state.context && state.context.type == "statement")
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indent = state.context.indented;
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return state.context = new Context(indent, col, type, null, state.context);
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}
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function popContext(state) {
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var t = state.context.type;
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if (t == ")" || t == "]" || t == "}")
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state.indented = state.context.indented;
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return state.context = state.context.prev;
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}
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// Interface
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return {
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startState: function(basecolumn) {
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return {
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tokenize: null,
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context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
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indented: 0,
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startOfLine: true
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};
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},
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token: function(stream, state) {
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var ctx = state.context;
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if (stream.sol()) {
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if (ctx.align == null) ctx.align = false;
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state.indented = stream.indentation();
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state.startOfLine = true;
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}
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if (stream.eatSpace()) return null;
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curPunc = null;
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var style = (state.tokenize || tokenBase)(stream, state);
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if (style == "comment" || style == "meta") return style;
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if (ctx.align == null) ctx.align = true;
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if ((curPunc == ";" || curPunc == ":" || curPunc == ",") && ctx.type == "statement") popContext(state);
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else if (curPunc == "{") pushContext(state, stream.column(), "}");
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else if (curPunc == "[") pushContext(state, stream.column(), "]");
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else if (curPunc == "(") pushContext(state, stream.column(), ")");
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else if (curPunc == "}") {
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while (ctx.type == "statement") ctx = popContext(state);
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if (ctx.type == "}") ctx = popContext(state);
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while (ctx.type == "statement") ctx = popContext(state);
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}
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else if (curPunc == ctx.type) popContext(state);
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else if (indentStatements &&
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(((ctx.type == "}" || ctx.type == "top") && curPunc != ';') ||
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(ctx.type == "statement" && curPunc == "newstatement")))
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pushContext(state, stream.column(), "statement");
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state.startOfLine = false;
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return style;
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},
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indent: function(state, textAfter) {
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if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass;
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var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
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if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev;
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var closing = firstChar == ctx.type;
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if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit);
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else if (ctx.align && (!dontAlignCalls || ctx.type != ")")) return ctx.column + (closing ? 0 : 1);
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else if (ctx.type == ")" && !closing) return ctx.indented + statementIndentUnit;
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else return ctx.indented + (closing ? 0 : indentUnit);
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},
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electricChars: "{}",
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blockCommentStart: "/*",
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blockCommentEnd: "*/",
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lineComment: "//",
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fold: "brace"
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};
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});
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function words(str) {
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var obj = {}, words = str.split(" ");
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for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
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return obj;
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}
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var cKeywords = "auto if break int case long char register continue return default short do sizeof " +
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"double static else struct entry switch extern typedef float union for unsigned " +
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"goto while enum void const signed volatile";
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function cppHook(stream, state) {
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if (!state.startOfLine) return false;
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for (;;) {
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if (stream.skipTo("\\")) {
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stream.next();
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if (stream.eol()) {
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state.tokenize = cppHook;
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break;
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}
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} else {
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stream.skipToEnd();
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state.tokenize = null;
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break;
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}
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}
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return "meta";
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}
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function cpp11StringHook(stream, state) {
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stream.backUp(1);
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// Raw strings.
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if (stream.match(/(R|u8R|uR|UR|LR)/)) {
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var match = stream.match(/"([^\s\\()]{0,16})\(/);
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if (!match) {
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return false;
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}
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state.cpp11RawStringDelim = match[1];
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state.tokenize = tokenRawString;
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return tokenRawString(stream, state);
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}
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// Unicode strings/chars.
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if (stream.match(/(u8|u|U|L)/)) {
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if (stream.match(/["']/, /* eat */ false)) {
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return "string";
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}
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return false;
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}
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// Ignore this hook.
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stream.next();
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return false;
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}
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// C#-style strings where "" escapes a quote.
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function tokenAtString(stream, state) {
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var next;
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while ((next = stream.next()) != null) {
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if (next == '"' && !stream.eat('"')) {
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state.tokenize = null;
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break;
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}
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}
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return "string";
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}
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// C++11 raw string literal is <prefix>"<delim>( anything )<delim>", where
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// <delim> can be a string up to 16 characters long.
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function tokenRawString(stream, state) {
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// Escape characters that have special regex meanings.
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var delim = state.cpp11RawStringDelim.replace(/[^\w\s]/g, '\\$&');
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var match = stream.match(new RegExp(".*?\\)" + delim + '"'));
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if (match)
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state.tokenize = null;
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else
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stream.skipToEnd();
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return "string";
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}
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function def(mimes, mode) {
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if (typeof mimes == "string") mimes = [mimes];
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var words = [];
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function add(obj) {
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if (obj) for (var prop in obj) if (obj.hasOwnProperty(prop))
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words.push(prop);
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}
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add(mode.keywords);
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add(mode.builtin);
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add(mode.atoms);
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if (words.length) {
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mode.helperType = mimes[0];
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CodeMirror.registerHelper("hintWords", mimes[0], words);
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}
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for (var i = 0; i < mimes.length; ++i)
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CodeMirror.defineMIME(mimes[i], mode);
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}
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def(["x-shader/x-vertex", "x-shader/x-fragment"], {
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name: "clike",
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keywords: words("float int bool void " +
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"vec2 vec3 vec4 ivec2 ivec3 ivec4 bvec2 bvec3 bvec4 " +
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"mat2 mat3 mat4 " +
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"sampler2D sampler3D samplerCube " +
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"const attribute uniform varying " +
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"break continue discard return " +
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"for while do if else struct " +
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"in out inout"),
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blockKeywords: words("for while do if else struct"),
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builtin: words("radians degrees sin cos tan asin acos atan " +
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"pow exp log exp2 sqrt inversesqrt " +
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"abs sign floor ceil fract mod min max clamp mix step smoothstep " +
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"length distance dot cross normalize faceforward " +
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"reflect refract matrixCompMult " +
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"lessThan lessThanEqual greaterThan greaterThanEqual " +
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"equal notEqual any all not " +
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"texture2D texture2DLod texture2DProjLod " +
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"textureCube textureCubeLod "),
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atoms: words("true false " +
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"gl_FragColor " +
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"gl_PointCoord " +
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"gl_Position gl_PointSize " +
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"gl_FragCoord gl_FrontFacing " +
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"gl_FragData " +
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"gl_DepthRangeParameters " +
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"gl_MaxVertexAttribs gl_MaxVaryingVectors gl_MaxVertexUniformVectors" +
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"gl_MaxVertexTextureImageUnits gl_MaxTextureImageUnits " +
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"gl_MaxFragmentUniformVectors " +
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"gl_MaxDrawBuffers"),
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hooks: {"#": cppHook},
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modeProps: {fold: ["brace", "include"]}
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});
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});
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