+++ /dev/null
-// Copyright (C) 2013 by Marijn Haverbeke <marijnh@gmail.com> and others
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-exports.htmlEscape = function(text) {
- var replacements = {"<": "<", ">": ">",
- "&": "&", "\"": """};
- return text.replace(/[<>&"]/g, function(character) {
- return replacements[character];
- });
-};
-
-exports.splitLines = function(string){return string.split(/\r?\n/);};
-
-// Counts the column offset in a string, taking tabs into account.
-// Used mostly to find indentation.
-function countColumn(string, end) {
- tabSize = 4;
- if (end == null) {
- end = string.search(/[^\s\u00a0]/);
- if (end == -1) end = string.length;
- }
- for (var i = 0, n = 0; i < end; ++i) {
- if (string.charAt(i) == "\t") n += tabSize - (n % tabSize);
- else ++n;
- }
- return n;
-}
-
-function StringStream(string) {
- this.pos = this.start = 0;
- this.string = string;
-}
-StringStream.prototype = {
- eol: function() {return this.pos >= this.string.length;},
- sol: function() {return this.pos == 0;},
- peek: function() {return this.string.charAt(this.pos);},
- next: function() {
- if (this.pos < this.string.length)
- return this.string.charAt(this.pos++);
- },
- eat: function(match) {
- var ch = this.string.charAt(this.pos);
- if (typeof match == "string") var ok = ch == match;
- else var ok = ch && (match.test ? match.test(ch) : match(ch));
- if (ok) {++this.pos; return ch;}
- },
- eatWhile: function(match) {
- var start = this.pos;
- while (this.eat(match)){}
- return this.pos > start;
- },
- eatSpace: function() {
- var start = this.pos;
- while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
- return this.pos > start;
- },
- skipToEnd: function() {this.pos = this.string.length;},
- skipTo: function(ch) {
- var found = this.string.indexOf(ch, this.pos);
- if (found > -1) {this.pos = found; return true;}
- },
- backUp: function(n) {this.pos -= n;},
- column: function() {return countColumn(this.string, this.start);},
- indentation: function() {return countColumn(this.string);},
- match: function(pattern, consume, caseInsensitive) {
- if (typeof pattern == "string") {
- function cased(str) {return caseInsensitive ? str.toLowerCase() : str;}
- if (cased(this.string).indexOf(cased(pattern), this.pos) == this.pos) {
- if (consume !== false) this.pos += pattern.length;
- return true;
- }
- }
- else {
- var match = this.string.slice(this.pos).match(pattern);
- if (match && consume !== false) this.pos += match[0].length;
- return match;
- }
- },
- current: function(){return this.string.slice(this.start, this.pos);}
-};
-exports.StringStream = StringStream;
-
-exports.startState = function(mode, a1, a2) {
- return mode.startState ? mode.startState(a1, a2) : true;
-};
-
-var modes = {}, mimeModes = {};
-exports.defineMode = function(name, mode) { modes[name] = mode; };
-exports.defineMIME = function(mime, spec) { mimeModes[mime] = spec; };
-exports.getMode = function(options, spec) {
- if (typeof spec == "string" && mimeModes.hasOwnProperty(spec))
- spec = mimeModes[spec];
- if (typeof spec == "string")
- var mname = spec, config = {};
- else if (spec != null)
- var mname = spec.name, config = spec;
- var mfactory = modes[mname];
- if (!mfactory) throw new Error("Unknown mode: " + spec);
- return mfactory(options, config || {});
-};
-
-exports.runMode = function(string, modespec, callback) {
- var mode = exports.getMode({indentUnit: 2}, modespec);
- var isNode = callback.nodeType == 1;
- if (isNode) {
- var node = callback, accum = [];
- callback = function(string, style) {
- if (string == "\n")
- accum.push("<br>");
- else if (style)
- accum.push("<span class=\"cm-" + exports.htmlEscape(style) + "\">" +
- exports.htmlEscape(string) + "</span>");
- else
- accum.push(exports.htmlEscape(string));
- }
- }
- var lines = exports.splitLines(string), state = exports.startState(mode);
- for (var i = 0, e = lines.length; i < e; ++i) {
- if (i) callback("\n");
- var stream = new exports.StringStream(lines[i]);
- while (!stream.eol()) {
- var style = mode.token(stream, state);
- callback(stream.current(), style, i, stream.start);
- stream.start = stream.pos;
- }
- }
- if (isNode)
- node.innerHTML = accum.join("");
-};
+++ /dev/null
-// Copyright (C) 2013 by Marijn Haverbeke <marijnh@gmail.com> and others
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-CodeMirror.defineMode("rust", function() {
- var indentUnit = 4, altIndentUnit = 2;
- var valKeywords = {
- "if": "if-style", "while": "if-style", "loop": "if-style", "else": "else-style",
- "do": "else-style", "return": "else-style",
- "break": "atom", "cont": "atom", "const": "let", "resource": "fn",
- "let": "let", "fn": "fn", "for": "for", "match": "match", "trait": "trait",
- "impl": "impl", "type": "type", "enum": "enum", "struct": "atom", "mod": "mod",
- "as": "op", "true": "atom", "false": "atom", "assert": "op", "check": "op",
- "claim": "op", "extern": "ignore", "unsafe": "ignore", "import": "else-style",
- "export": "else-style", "copy": "op", "log": "op",
- "use": "op", "self": "atom", "pub": "atom", "priv": "atom"
- };
- var typeKeywords = function() {
- var keywords = {"fn": "fn"};
- var atoms = "bool uint int i8 i16 i32 i64 u8 u16 u32 u64 float f32 f64 str char".split(" ");
- for (var i = 0, e = atoms.length; i < e; ++i) keywords[atoms[i]] = "atom";
- return keywords;
- }();
- var operatorChar = /[+\-*&%=<>!?|\.@]/;
-
- // Tokenizer
-
- // Used as scratch variable to communicate multiple values without
- // consing up tons of objects.
- var tcat, content;
- function r(tc, style) {
- tcat = tc;
- return style;
- }
-
- function tokenBase(stream, state) {
- var ch = stream.next();
- if (ch == '"') {
- state.tokenize = tokenString;
- return state.tokenize(stream, state);
- }
- if (ch == "'") {
- tcat = "atom";
- if (stream.eat("\\")) {
- if (stream.skipTo("'")) { stream.next(); return "string"; }
- else { return "error"; }
- } else {
- stream.next();
- return stream.eat("'") ? "string" : "error";
- }
- }
- if (ch == "/") {
- if (stream.eat("/")) { stream.skipToEnd(); return "comment"; }
- if (stream.eat("*")) {
- state.tokenize = tokenComment(1);
- return state.tokenize(stream, state);
- }
- }
- if (ch == "#") {
- if (stream.eat("[")) { tcat = "open-attr"; return null; }
- stream.eatWhile(/\w/);
- return r("macro", "meta");
- }
- if (ch == ":" && stream.match(":<")) {
- return r("op", null);
- }
- if (ch.match(/\d/) || (ch == "." && stream.eat(/\d/))) {
- var flp = false;
- if (!stream.match(/^x[\da-f]+/i) && !stream.match(/^b[01]+/)) {
- stream.eatWhile(/\d/);
- if (stream.eat(".")) { flp = true; stream.eatWhile(/\d/); }
- if (stream.match(/^e[+\-]?\d+/i)) { flp = true; }
- }
- if (flp) stream.match(/^f(?:32|64)/);
- else stream.match(/^[ui](?:8|16|32|64)/);
- return r("atom", "number");
- }
- if (ch.match(/[()\[\]{}:;,]/)) return r(ch, null);
- if (ch == "-" && stream.eat(">")) return r("->", null);
- if (ch.match(operatorChar)) {
- stream.eatWhile(operatorChar);
- return r("op", null);
- }
- stream.eatWhile(/\w/);
- content = stream.current();
- if (stream.match(/^::\w/)) {
- stream.backUp(1);
- return r("prefix", "variable-2");
- }
- if (state.keywords.propertyIsEnumerable(content))
- return r(state.keywords[content], content.match(/true|false/) ? "atom" : "keyword");
- return r("name", "variable");
- }
-
- function tokenString(stream, state) {
- var ch, escaped = false;
- while (ch = stream.next()) {
- if (ch == '"' && !escaped) {
- state.tokenize = tokenBase;
- return r("atom", "string");
- }
- escaped = !escaped && ch == "\\";
- }
- // Hack to not confuse the parser when a string is split in
- // pieces.
- return r("op", "string");
- }
-
- function tokenComment(depth) {
- return function(stream, state) {
- var lastCh = null, ch;
- while (ch = stream.next()) {
- if (ch == "/" && lastCh == "*") {
- if (depth == 1) {
- state.tokenize = tokenBase;
- break;
- } else {
- state.tokenize = tokenComment(depth - 1);
- return state.tokenize(stream, state);
- }
- }
- if (ch == "*" && lastCh == "/") {
- state.tokenize = tokenComment(depth + 1);
- return state.tokenize(stream, state);
- }
- lastCh = ch;
- }
- return "comment";
- };
- }
-
- // Parser
-
- var cx = {state: null, stream: null, marked: null, cc: null};
- function pass() {
- for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);
- }
- function cont() {
- pass.apply(null, arguments);
- return true;
- }
-
- function pushlex(type, info) {
- var result = function() {
- var state = cx.state;
- state.lexical = {indented: state.indented, column: cx.stream.column(),
- type: type, prev: state.lexical, info: info};
- };
- result.lex = true;
- return result;
- }
- function poplex() {
- var state = cx.state;
- if (state.lexical.prev) {
- if (state.lexical.type == ")")
- state.indented = state.lexical.indented;
- state.lexical = state.lexical.prev;
- }
- }
- function typecx() { cx.state.keywords = typeKeywords; }
- function valcx() { cx.state.keywords = valKeywords; }
- poplex.lex = typecx.lex = valcx.lex = true;
-
- function commasep(comb, end) {
- function more(type) {
- if (type == ",") return cont(comb, more);
- if (type == end) return cont();
- return cont(more);
- }
- return function(type) {
- if (type == end) return cont();
- return pass(comb, more);
- };
- }
-
- function stat_of(comb, tag) {
- return cont(pushlex("stat", tag), comb, poplex, block);
- }
- function block(type) {
- if (type == "}") return cont();
- if (type == "let") return stat_of(letdef1, "let");
- if (type == "fn") return stat_of(fndef);
- if (type == "type") return cont(pushlex("stat"), tydef, endstatement, poplex, block);
- if (type == "enum") return stat_of(tagdef);
- if (type == "mod") return stat_of(mod);
- if (type == "trait") return stat_of(trait);
- if (type == "impl") return stat_of(impl);
- if (type == "open-attr") return cont(pushlex("]"), commasep(expression, "]"), poplex);
- if (type == "ignore" || type.match(/[\]\);,]/)) return cont(block);
- return pass(pushlex("stat"), expression, poplex, endstatement, block);
- }
- function endstatement(type) {
- if (type == ";") return cont();
- return pass();
- }
- function expression(type) {
- if (type == "atom" || type == "name") return cont(maybeop);
- if (type == "{") return cont(pushlex("}"), exprbrace, poplex);
- if (type.match(/[\[\(]/)) return matchBrackets(type, expression);
- if (type.match(/[\]\)\};,]/)) return pass();
- if (type == "if-style") return cont(expression, expression);
- if (type == "else-style" || type == "op") return cont(expression);
- if (type == "for") return cont(pattern, maybetype, inop, expression, expression);
- if (type == "match") return cont(expression, altbody);
- if (type == "fn") return cont(fndef);
- if (type == "macro") return cont(macro);
- return cont();
- }
- function maybeop(type) {
- if (content == ".") return cont(maybeprop);
- if (content == "::<"){return cont(typarams, maybeop);}
- if (type == "op" || content == ":") return cont(expression);
- if (type == "(" || type == "[") return matchBrackets(type, expression);
- return pass();
- }
- function maybeprop(type) {
- if (content.match(/^\w+$/)) {cx.marked = "variable"; return cont(maybeop);}
- return pass(expression);
- }
- function exprbrace(type) {
- if (type == "op") {
- if (content == "|") return cont(blockvars, poplex, pushlex("}", "block"), block);
- if (content == "||") return cont(poplex, pushlex("}", "block"), block);
- }
- if (content == "mut" || (content.match(/^\w+$/) && cx.stream.peek() == ":"
- && !cx.stream.match("::", false)))
- return pass(record_of(expression));
- return pass(block);
- }
- function record_of(comb) {
- function ro(type) {
- if (content == "mut" || content == "with") {cx.marked = "keyword"; return cont(ro);}
- if (content.match(/^\w*$/)) {cx.marked = "variable"; return cont(ro);}
- if (type == ":") return cont(comb, ro);
- if (type == "}") return cont();
- return cont(ro);
- }
- return ro;
- }
- function blockvars(type) {
- if (type == "name") {cx.marked = "def"; return cont(blockvars);}
- if (type == "op" && content == "|") return cont();
- return cont(blockvars);
- }
-
- function letdef1(type) {
- if (type.match(/[\]\)\};]/)) return cont();
- if (content == "=") return cont(expression, letdef2);
- if (type == ",") return cont(letdef1);
- return pass(pattern, maybetype, letdef1);
- }
- function letdef2(type) {
- if (type.match(/[\]\)\};,]/)) return pass(letdef1);
- else return pass(expression, letdef2);
- }
- function maybetype(type) {
- if (type == ":") return cont(typecx, rtype, valcx);
- return pass();
- }
- function inop(type) {
- if (type == "name" && content == "in") {cx.marked = "keyword"; return cont();}
- return pass();
- }
- function fndef(type) {
- if (content == "@" || content == "~") {cx.marked = "keyword"; return cont(fndef);}
- if (type == "name") {cx.marked = "def"; return cont(fndef);}
- if (content == "<") return cont(typarams, fndef);
- if (type == "{") return pass(expression);
- if (type == "(") return cont(pushlex(")"), commasep(argdef, ")"), poplex, fndef);
- if (type == "->") return cont(typecx, rtype, valcx, fndef);
- if (type == ";") return cont();
- return cont(fndef);
- }
- function tydef(type) {
- if (type == "name") {cx.marked = "def"; return cont(tydef);}
- if (content == "<") return cont(typarams, tydef);
- if (content == "=") return cont(typecx, rtype, valcx);
- return cont(tydef);
- }
- function tagdef(type) {
- if (type == "name") {cx.marked = "def"; return cont(tagdef);}
- if (content == "<") return cont(typarams, tagdef);
- if (content == "=") return cont(typecx, rtype, valcx, endstatement);
- if (type == "{") return cont(pushlex("}"), typecx, tagblock, valcx, poplex);
- return cont(tagdef);
- }
- function tagblock(type) {
- if (type == "}") return cont();
- if (type == "(") return cont(pushlex(")"), commasep(rtype, ")"), poplex, tagblock);
- if (content.match(/^\w+$/)) cx.marked = "def";
- return cont(tagblock);
- }
- function mod(type) {
- if (type == "name") {cx.marked = "def"; return cont(mod);}
- if (type == "{") return cont(pushlex("}"), block, poplex);
- return pass();
- }
- function trait(type) {
- if (type == "name") {cx.marked = "def"; return cont(trait);}
- if (content == "<") return cont(typarams, trait);
- if (type == "{") return cont(pushlex("}"), block, poplex);
- return pass();
- }
- function impl(type) {
- if (content == "<") return cont(typarams, impl);
- if (content == "of" || content == "for") {cx.marked = "keyword"; return cont(rtype, impl);}
- if (type == "name") {cx.marked = "def"; return cont(impl);}
- if (type == "{") return cont(pushlex("}"), block, poplex);
- return pass();
- }
- function typarams(type) {
- if (content == ">") return cont();
- if (content == ",") return cont(typarams);
- if (content == ":") return cont(rtype, typarams);
- return pass(rtype, typarams);
- }
- function argdef(type) {
- if (type == "name") {cx.marked = "def"; return cont(argdef);}
- if (type == ":") return cont(typecx, rtype, valcx);
- return pass();
- }
- function rtype(type) {
- if (type == "name") {cx.marked = "variable-3"; return cont(rtypemaybeparam); }
- if (content == "mut") {cx.marked = "keyword"; return cont(rtype);}
- if (type == "atom") return cont(rtypemaybeparam);
- if (type == "op" || type == "obj") return cont(rtype);
- if (type == "fn") return cont(fntype);
- if (type == "{") return cont(pushlex("{"), record_of(rtype), poplex);
- return matchBrackets(type, rtype);
- }
- function rtypemaybeparam(type) {
- if (content == "<") return cont(typarams);
- return pass();
- }
- function fntype(type) {
- if (type == "(") return cont(pushlex("("), commasep(rtype, ")"), poplex, fntype);
- if (type == "->") return cont(rtype);
- return pass();
- }
- function pattern(type) {
- if (type == "name") {cx.marked = "def"; return cont(patternmaybeop);}
- if (type == "atom") return cont(patternmaybeop);
- if (type == "op") return cont(pattern);
- if (type.match(/[\]\)\};,]/)) return pass();
- return matchBrackets(type, pattern);
- }
- function patternmaybeop(type) {
- if (type == "op" && content == ".") return cont();
- if (content == "to") {cx.marked = "keyword"; return cont(pattern);}
- else return pass();
- }
- function altbody(type) {
- if (type == "{") return cont(pushlex("}", "match"), altblock1, poplex);
- return pass();
- }
- function altblock1(type) {
- if (type == "}") return cont();
- if (type == "|") return cont(altblock1);
- if (content == "when") {cx.marked = "keyword"; return cont(expression, altblock2);}
- if (type.match(/[\]\);,]/)) return cont(altblock1);
- return pass(pattern, altblock2);
- }
- function altblock2(type) {
- if (type == "{") return cont(pushlex("}", "match"), block, poplex, altblock1);
- else return pass(altblock1);
- }
-
- function macro(type) {
- if (type.match(/[\[\(\{]/)) return matchBrackets(type, expression);
- return pass();
- }
- function matchBrackets(type, comb) {
- if (type == "[") return cont(pushlex("]"), commasep(comb, "]"), poplex);
- if (type == "(") return cont(pushlex(")"), commasep(comb, ")"), poplex);
- if (type == "{") return cont(pushlex("}"), commasep(comb, "}"), poplex);
- return cont();
- }
-
- function parse(state, stream, style) {
- var cc = state.cc;
- // Communicate our context to the combinators.
- // (Less wasteful than consing up a hundred closures on every call.)
- cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc;
-
- while (true) {
- var combinator = cc.length ? cc.pop() : block;
- if (combinator(tcat)) {
- while(cc.length && cc[cc.length - 1].lex)
- cc.pop()();
- return cx.marked || style;
- }
- }
- }
-
- return {
- startState: function() {
- return {
- tokenize: tokenBase,
- cc: [],
- lexical: {indented: -indentUnit, column: 0, type: "top", align: false},
- keywords: valKeywords,
- indented: 0
- };
- },
-
- token: function(stream, state) {
- if (stream.sol()) {
- if (!state.lexical.hasOwnProperty("align"))
- state.lexical.align = false;
- state.indented = stream.indentation();
- }
- if (stream.eatSpace()) return null;
- tcat = content = null;
- var style = state.tokenize(stream, state);
- if (style == "comment") return style;
- if (!state.lexical.hasOwnProperty("align"))
- state.lexical.align = true;
- if (tcat == "prefix") return style;
- if (!content) content = stream.current();
- return parse(state, stream, style);
- },
-
- indent: function(state, textAfter) {
- if (state.tokenize != tokenBase) return 0;
- var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical,
- type = lexical.type, closing = firstChar == type;
- if (type == "stat") return lexical.indented + indentUnit;
- if (lexical.align) return lexical.column + (closing ? 0 : 1);
- return lexical.indented +
- (closing ? 0 : (lexical.info == "match" ? altIndentUnit : indentUnit));
- },
-
- electricChars: "{}"
- };
-});
-
-CodeMirror.defineMIME("text/x-rustsrc", "rust");
projects / rust.git / commitdiff