p5.js-web-editor/client/utils/webGL-clike.js

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2018-05-31 00:23:32 +02:00
// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
// Taken from https://github.com/tangrams/GLSL-live-editor/blob/master/src/codemirror/mode/webGL-clike.js
/* eslint-disable */
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("codemirror"));
else if (typeof define == "function" && define.amd) // AMD
define(["codemirror"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
CodeMirror.defineMode("clike", function(config, parserConfig) {
var indentUnit = config.indentUnit,
statementIndentUnit = parserConfig.statementIndentUnit || indentUnit,
dontAlignCalls = parserConfig.dontAlignCalls,
keywords = parserConfig.keywords || {},
builtin = parserConfig.builtin || {},
blockKeywords = parserConfig.blockKeywords || {},
atoms = parserConfig.atoms || {},
hooks = parserConfig.hooks || {},
multiLineStrings = parserConfig.multiLineStrings,
indentStatements = parserConfig.indentStatements !== false;
var isOperatorChar = /[+\-*&%=<>!?|\/]/;
var curPunc;
function tokenBase(stream, state) {
var ch = stream.next();
if (hooks[ch]) {
var result = hooks[ch](stream, state);
if (result !== false) return result;
}
if (ch == '"' || ch == "'") {
state.tokenize = tokenString(ch);
return state.tokenize(stream, state);
}
if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
curPunc = ch;
return null;
}
if (/\d/.test(ch)) {
stream.eatWhile(/[\w\.]/);
return "number";
}
if (ch == "/") {
if (stream.eat("*")) {
state.tokenize = tokenComment;
return tokenComment(stream, state);
}
if (stream.eat("/")) {
stream.skipToEnd();
return "comment";
}
}
if (isOperatorChar.test(ch)) {
stream.eatWhile(isOperatorChar);
return "operator";
}
stream.eatWhile(/[\w\$_\xa1-\uffff]/);
var cur = stream.current();
if (keywords.propertyIsEnumerable(cur)) {
if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
return "keyword";
}
if (builtin.propertyIsEnumerable(cur)) {
if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
return "builtin";
}
if (atoms.propertyIsEnumerable(cur)) return "atom";
return "variable";
}
function tokenString(quote) {
return function(stream, state) {
var escaped = false, next, end = false;
while ((next = stream.next()) != null) {
if (next == quote && !escaped) {end = true; break;}
escaped = !escaped && next == "\\";
}
if (end || !(escaped || multiLineStrings))
state.tokenize = null;
return "string";
};
}
function tokenComment(stream, state) {
var maybeEnd = false, ch;
while (ch = stream.next()) {
if (ch == "/" && maybeEnd) {
state.tokenize = null;
break;
}
maybeEnd = (ch == "*");
}
return "comment";
}
function Context(indented, column, type, align, prev) {
this.indented = indented;
this.column = column;
this.type = type;
this.align = align;
this.prev = prev;
}
function pushContext(state, col, type) {
var indent = state.indented;
if (state.context && state.context.type == "statement")
indent = state.context.indented;
return state.context = new Context(indent, col, type, null, state.context);
}
function popContext(state) {
var t = state.context.type;
if (t == ")" || t == "]" || t == "}")
state.indented = state.context.indented;
return state.context = state.context.prev;
}
// Interface
return {
startState: function(basecolumn) {
return {
tokenize: null,
context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
indented: 0,
startOfLine: true
};
},
token: function(stream, state) {
var ctx = state.context;
if (stream.sol()) {
if (ctx.align == null) ctx.align = false;
state.indented = stream.indentation();
state.startOfLine = true;
}
if (stream.eatSpace()) return null;
curPunc = null;
var style = (state.tokenize || tokenBase)(stream, state);
if (style == "comment" || style == "meta") return style;
if (ctx.align == null) ctx.align = true;
if ((curPunc == ";" || curPunc == ":" || curPunc == ",") && ctx.type == "statement") popContext(state);
else if (curPunc == "{") pushContext(state, stream.column(), "}");
else if (curPunc == "[") pushContext(state, stream.column(), "]");
else if (curPunc == "(") pushContext(state, stream.column(), ")");
else if (curPunc == "}") {
while (ctx.type == "statement") ctx = popContext(state);
if (ctx.type == "}") ctx = popContext(state);
while (ctx.type == "statement") ctx = popContext(state);
}
else if (curPunc == ctx.type) popContext(state);
else if (indentStatements &&
(((ctx.type == "}" || ctx.type == "top") && curPunc != ';') ||
(ctx.type == "statement" && curPunc == "newstatement")))
pushContext(state, stream.column(), "statement");
state.startOfLine = false;
return style;
},
indent: function(state, textAfter) {
if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass;
var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev;
var closing = firstChar == ctx.type;
if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit);
else if (ctx.align && (!dontAlignCalls || ctx.type != ")")) return ctx.column + (closing ? 0 : 1);
else if (ctx.type == ")" && !closing) return ctx.indented + statementIndentUnit;
else return ctx.indented + (closing ? 0 : indentUnit);
},
electricChars: "{}",
blockCommentStart: "/*",
blockCommentEnd: "*/",
lineComment: "//",
fold: "brace"
};
});
function words(str) {
var obj = {}, words = str.split(" ");
for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
return obj;
}
var cKeywords = "auto if break int case long char register continue return default short do sizeof " +
"double static else struct entry switch extern typedef float union for unsigned " +
"goto while enum void const signed volatile";
function cppHook(stream, state) {
if (!state.startOfLine) return false;
for (;;) {
if (stream.skipTo("\\")) {
stream.next();
if (stream.eol()) {
state.tokenize = cppHook;
break;
}
} else {
stream.skipToEnd();
state.tokenize = null;
break;
}
}
return "meta";
}
function cpp11StringHook(stream, state) {
stream.backUp(1);
// Raw strings.
if (stream.match(/(R|u8R|uR|UR|LR)/)) {
var match = stream.match(/"([^\s\\()]{0,16})\(/);
if (!match) {
return false;
}
state.cpp11RawStringDelim = match[1];
state.tokenize = tokenRawString;
return tokenRawString(stream, state);
}
// Unicode strings/chars.
if (stream.match(/(u8|u|U|L)/)) {
if (stream.match(/["']/, /* eat */ false)) {
return "string";
}
return false;
}
// Ignore this hook.
stream.next();
return false;
}
// C#-style strings where "" escapes a quote.
function tokenAtString(stream, state) {
var next;
while ((next = stream.next()) != null) {
if (next == '"' && !stream.eat('"')) {
state.tokenize = null;
break;
}
}
return "string";
}
// C++11 raw string literal is <prefix>"<delim>( anything )<delim>", where
// <delim> can be a string up to 16 characters long.
function tokenRawString(stream, state) {
// Escape characters that have special regex meanings.
var delim = state.cpp11RawStringDelim.replace(/[^\w\s]/g, '\\$&');
var match = stream.match(new RegExp(".*?\\)" + delim + '"'));
if (match)
state.tokenize = null;
else
stream.skipToEnd();
return "string";
}
function def(mimes, mode) {
if (typeof mimes == "string") mimes = [mimes];
var words = [];
function add(obj) {
if (obj) for (var prop in obj) if (obj.hasOwnProperty(prop))
words.push(prop);
}
add(mode.keywords);
add(mode.builtin);
add(mode.atoms);
if (words.length) {
mode.helperType = mimes[0];
CodeMirror.registerHelper("hintWords", mimes[0], words);
}
for (var i = 0; i < mimes.length; ++i)
CodeMirror.defineMIME(mimes[i], mode);
}
def(["x-shader/x-vertex", "x-shader/x-fragment"], {
name: "clike",
keywords: words("float int bool void " +
"vec2 vec3 vec4 ivec2 ivec3 ivec4 bvec2 bvec3 bvec4 " +
"mat2 mat3 mat4 " +
"sampler2D sampler3D samplerCube " +
"const attribute uniform varying " +
"break continue discard return " +
"for while do if else struct " +
"in out inout"),
blockKeywords: words("for while do if else struct"),
builtin: words("radians degrees sin cos tan asin acos atan " +
"pow exp log exp2 sqrt inversesqrt " +
"abs sign floor ceil fract mod min max clamp mix step smoothstep " +
"length distance dot cross normalize faceforward " +
"reflect refract matrixCompMult " +
"lessThan lessThanEqual greaterThan greaterThanEqual " +
"equal notEqual any all not " +
"texture2D texture2DLod texture2DProjLod " +
"textureCube textureCubeLod "),
atoms: words("true false " +
"gl_FragColor " +
"gl_PointCoord " +
"gl_Position gl_PointSize " +
"gl_FragCoord gl_FrontFacing " +
"gl_FragData " +
"gl_DepthRangeParameters " +
"gl_MaxVertexAttribs gl_MaxVaryingVectors gl_MaxVertexUniformVectors" +
"gl_MaxVertexTextureImageUnits gl_MaxTextureImageUnits " +
"gl_MaxFragmentUniformVectors " +
"gl_MaxDrawBuffers"),
hooks: {"#": cppHook},
modeProps: {fold: ["brace", "include"]}
});
});