--- /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