+++ /dev/null
-CodeMirror.defineMode("rust", function() {
- var indentUnit = 4, altIndentUnit = 2;
- var valKeywords = {
- "if": "if-style", "while": "if-style", "else": "else-style",
- "do": "else-style", "ret": "else-style", "fail": "else-style",
- "break": "atom", "cont": "atom", "const": "let", "resource": "fn",
- "let": "let", "fn": "fn", "for": "for", "alt": "alt", "iface": "iface",
- "impl": "impl", "type": "type", "enum": "enum", "mod": "mod",
- "as": "op", "true": "atom", "false": "atom", "assert": "op", "check": "op",
- "claim": "op", "native": "ignore", "unsafe": "ignore", "import": "else-style",
- "export": "else-style", "copy": "op", "log": "op", "log_err": "op",
- "use": "op", "bind": "op", "self": "atom"
- };
- var typeKeywords = function() {
- var keywords = {"fn": "fn", "block": "fn", "obj": "obj"};
- 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(enumdef);
- if (type == "mod") return stat_of(mod);
- if (type == "iface") return stat_of(iface);
- 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 == "alt") 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() {
- if (content.match(/^\w+$/)) {cx.marked = "variable"; return cont(maybeop);}
- return pass(expression);
- }
- function exprbrace(type) {
- if (type == "op") {
- if (content == "|") return cont(blockvars, poplex, pushlex("}", "block"), block);
- if (content == "||") return cont(poplex, pushlex("}", "block"), block);
- }
- if (content == "mutable" || (content.match(/^\w+$/) && cx.stream.peek() == ":"
- && !cx.stream.match("::", false)))
- return pass(record_of(expression));
- return pass(block);
- }
- function record_of(comb) {
- function ro(type) {
- if (content == "mutable" || 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 enumdef(type) {
- if (type == "name") {cx.marked = "def"; return cont(enumdef);}
- if (content == "<") return cont(typarams, enumdef);
- if (content == "=") return cont(typecx, rtype, valcx, endstatement);
- if (type == "{") return cont(pushlex("}"), typecx, enumblock, valcx, poplex);
- return cont(enumdef);
- }
- function enumblock(type) {
- if (type == "}") return cont();
- if (type == "(") return cont(pushlex(")"), commasep(rtype, ")"), poplex, enumblock);
- if (content.match(/^\w+$/)) cx.marked = "def";
- return cont(enumblock);
- }
- function mod(type) {
- if (type == "name") {cx.marked = "def"; return cont(mod);}
- if (type == "{") return cont(pushlex("}"), block, poplex);
- return pass();
- }
- function iface(type) {
- if (type == "name") {cx.marked = "def"; return cont(iface);}
- if (content == "<") return cont(typarams, iface);
- 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() {
- 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 == "mutable") {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() {
- 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("}", "alt"), 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("}", "alt"), 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 == "alt" ? altIndentUnit : indentUnit));
- },
-
- electricChars: "{}",
- blockCommentStart: "/*",
- blockCommentEnd: "*/",
- lineComment: "//",
- fold: "brace"
- };
-});
-
-CodeMirror.defineMIME("text/x-rustsrc", "rust");
git://git.onelab.eu / myslice.git / blobdiff