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Diffstat (limited to 'public/vendor/codemirror/mode/ebnf/ebnf.js')
-rwxr-xr-xpublic/vendor/codemirror/mode/ebnf/ebnf.js195
1 files changed, 195 insertions, 0 deletions
diff --git a/public/vendor/codemirror/mode/ebnf/ebnf.js b/public/vendor/codemirror/mode/ebnf/ebnf.js
new file mode 100755
index 00000000..6b51aba0
--- /dev/null
+++ b/public/vendor/codemirror/mode/ebnf/ebnf.js
@@ -0,0 +1,195 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+(function(mod) {
+ if (typeof exports == "object" && typeof module == "object") // CommonJS
+ mod(require("../../lib/codemirror"));
+ else if (typeof define == "function" && define.amd) // AMD
+ define(["../../lib/codemirror"], mod);
+ else // Plain browser env
+ mod(CodeMirror);
+})(function(CodeMirror) {
+ "use strict";
+
+ CodeMirror.defineMode("ebnf", function (config) {
+ var commentType = {slash: 0, parenthesis: 1};
+ var stateType = {comment: 0, _string: 1, characterClass: 2};
+ var bracesMode = null;
+
+ if (config.bracesMode)
+ bracesMode = CodeMirror.getMode(config, config.bracesMode);
+
+ return {
+ startState: function () {
+ return {
+ stringType: null,
+ commentType: null,
+ braced: 0,
+ lhs: true,
+ localState: null,
+ stack: [],
+ inDefinition: false
+ };
+ },
+ token: function (stream, state) {
+ if (!stream) return;
+
+ //check for state changes
+ if (state.stack.length === 0) {
+ //strings
+ if ((stream.peek() == '"') || (stream.peek() == "'")) {
+ state.stringType = stream.peek();
+ stream.next(); // Skip quote
+ state.stack.unshift(stateType._string);
+ } else if (stream.match(/^\/\*/)) { //comments starting with /*
+ state.stack.unshift(stateType.comment);
+ state.commentType = commentType.slash;
+ } else if (stream.match(/^\(\*/)) { //comments starting with (*
+ state.stack.unshift(stateType.comment);
+ state.commentType = commentType.parenthesis;
+ }
+ }
+
+ //return state
+ //stack has
+ switch (state.stack[0]) {
+ case stateType._string:
+ while (state.stack[0] === stateType._string && !stream.eol()) {
+ if (stream.peek() === state.stringType) {
+ stream.next(); // Skip quote
+ state.stack.shift(); // Clear flag
+ } else if (stream.peek() === "\\") {
+ stream.next();
+ stream.next();
+ } else {
+ stream.match(/^.[^\\\"\']*/);
+ }
+ }
+ return state.lhs ? "property string" : "string"; // Token style
+
+ case stateType.comment:
+ while (state.stack[0] === stateType.comment && !stream.eol()) {
+ if (state.commentType === commentType.slash && stream.match(/\*\//)) {
+ state.stack.shift(); // Clear flag
+ state.commentType = null;
+ } else if (state.commentType === commentType.parenthesis && stream.match(/\*\)/)) {
+ state.stack.shift(); // Clear flag
+ state.commentType = null;
+ } else {
+ stream.match(/^.[^\*]*/);
+ }
+ }
+ return "comment";
+
+ case stateType.characterClass:
+ while (state.stack[0] === stateType.characterClass && !stream.eol()) {
+ if (!(stream.match(/^[^\]\\]+/) || stream.match(/^\\./))) {
+ state.stack.shift();
+ }
+ }
+ return "operator";
+ }
+
+ var peek = stream.peek();
+
+ if (bracesMode !== null && (state.braced || peek === "{")) {
+ if (state.localState === null)
+ state.localState = bracesMode.startState();
+
+ var token = bracesMode.token(stream, state.localState),
+ text = stream.current();
+
+ if (!token) {
+ for (var i = 0; i < text.length; i++) {
+ if (text[i] === "{") {
+ if (state.braced === 0) {
+ token = "matchingbracket";
+ }
+ state.braced++;
+ } else if (text[i] === "}") {
+ state.braced--;
+ if (state.braced === 0) {
+ token = "matchingbracket";
+ }
+ }
+ }
+ }
+ return token;
+ }
+
+ //no stack
+ switch (peek) {
+ case "[":
+ stream.next();
+ state.stack.unshift(stateType.characterClass);
+ return "bracket";
+ case ":":
+ case "|":
+ case ";":
+ stream.next();
+ return "operator";
+ case "%":
+ if (stream.match("%%")) {
+ return "header";
+ } else if (stream.match(/[%][A-Za-z]+/)) {
+ return "keyword";
+ } else if (stream.match(/[%][}]/)) {
+ return "matchingbracket";
+ }
+ break;
+ case "/":
+ if (stream.match(/[\/][A-Za-z]+/)) {
+ return "keyword";
+ }
+ case "\\":
+ if (stream.match(/[\][a-z]+/)) {
+ return "string-2";
+ }
+ case ".":
+ if (stream.match(".")) {
+ return "atom";
+ }
+ case "*":
+ case "-":
+ case "+":
+ case "^":
+ if (stream.match(peek)) {
+ return "atom";
+ }
+ case "$":
+ if (stream.match("$$")) {
+ return "builtin";
+ } else if (stream.match(/[$][0-9]+/)) {
+ return "variable-3";
+ }
+ case "<":
+ if (stream.match(/<<[a-zA-Z_]+>>/)) {
+ return "builtin";
+ }
+ }
+
+ if (stream.match(/^\/\//)) {
+ stream.skipToEnd();
+ return "comment";
+ } else if (stream.match(/return/)) {
+ return "operator";
+ } else if (stream.match(/^[a-zA-Z_][a-zA-Z0-9_]*/)) {
+ if (stream.match(/(?=[\(.])/)) {
+ return "variable";
+ } else if (stream.match(/(?=[\s\n]*[:=])/)) {
+ return "def";
+ }
+ return "variable-2";
+ } else if (["[", "]", "(", ")"].indexOf(stream.peek()) != -1) {
+ stream.next();
+ return "bracket";
+ } else if (!stream.eatSpace()) {
+ stream.next();
+ }
+ return null;
+ }
+ };
+ });
+
+ CodeMirror.defineMIME("text/x-ebnf", "ebnf");
+});