+})();
+
+/**
+ * Java parser for codemirror
+ *
+ * @author Patrick Wied
+ */
+
+var JavaParser = Editor.Parser = (function() {
+ // Token types that can be considered to be atoms.
+ var atomicTypes = {"atom": true, "number": true, "string": true, "regexp": true};
+ // Setting that can be used to have JSON data indent properly.
+ var json = false;
+ // Constructor for the lexical context objects.
+ function JavaLexical(indented, column, type, align, prev, info) {
+ // indentation at start of this line
+ this.indented = indented;
+ // column at which this scope was opened
+ this.column = column;
+ // type of scope ( 'stat' (statement), 'form' (special form), '[', '{', or '(')
+ this.type = type;
+ // '[', '{', or '(' blocks that have any text after their opening
+ // character are said to be 'aligned' -- any lines below are
+ // indented all the way to the opening character.
+ if (align != null)
+ this.align = align;
+ // Parent scope, if any.
+ this.prev = prev;
+ this.info = info;
+ }
+
+ // java indentation rules.
+ function indentJava(lexical) {
+ return function(firstChars) {
+ var firstChar = firstChars && firstChars.charAt(0), type = lexical.type;
+ var closing = firstChar == type;
+ if (type == "form" && firstChar == "{")
+ return lexical.indented;
+ else if (type == "stat" || type == "form")
+ return lexical.indented + indentUnit;
+ else if (lexical.info == "switch" && !closing)
+ return lexical.indented + (/^(?:case|default)\b/.test(firstChars) ? indentUnit : 2 * indentUnit);
+ else if (lexical.align)
+ return lexical.column - (closing ? 1 : 0);
+ else
+ return lexical.indented + (closing ? 0 : indentUnit);
+ };
+ }
+
+ // The parser-iterator-producing function itself.
+ function parseJava(input, basecolumn) {
+ // Wrap the input in a token stream
+ var tokens = tokenizeJava(input);
+ // The parser state. cc is a stack of actions that have to be
+ // performed to finish the current statement. For example we might
+ // know that we still need to find a closing parenthesis and a
+ // semicolon. Actions at the end of the stack go first. It is
+ // initialized with an infinitely looping action that consumes
+ // whole statements.
+ var cc = [statements];
+ // The lexical scope, used mostly for indentation.
+ var lexical = new JavaLexical(basecolumn || 0, 0, "block", false);
+ // Current column, and the indentation at the start of the current
+ // line. Used to create lexical scope objects.
+ var column = 0;
+ var indented = 0;
+ // Variables which are used by the mark, cont, and pass functions
+ // below to communicate with the driver loop in the 'next'
+ // function.
+ var consume, marked;
+
+ // The iterator object.
+ var parser = {next: next, copy: copy};
+
+ function next(){
+ // Start by performing any 'lexical' actions (adjusting the
+ // lexical variable), or the operations below will be working
+ // with the wrong lexical state.
+ while(cc[cc.length - 1].lex)
+ cc.pop()();
+
+ // Fetch a token.
+ var token = tokens.next();
+
+ // Adjust column and indented.
+ if (token.type == "whitespace" && column == 0)
+ indented = token.value.length;
+ column += token.value.length;
+ if (token.content == "\n"){
+ indented = column = 0;
+ // If the lexical scope's align property is still undefined at
+ // the end of the line, it is an un-aligned scope.
+ if (!("align" in lexical))
+ lexical.align = false;
+ // Newline tokens get an indentation function associated with
+ // them.
+ token.indentation = indentJava(lexical);
+
+ }
+ // No more processing for meaningless tokens.
+ if (token.type == "whitespace" || token.type == "comment" || token.type == "javadoc" || token.type == "annotation")
+ return token;
+
+ // When a meaningful token is found and the lexical scope's
+ // align is undefined, it is an aligned scope.
+ if (!("align" in lexical))
+ lexical.align = true;
+
+ // Execute actions until one 'consumes' the token and we can
+ // return it.
+ while(true) {
+ consume = marked = false;
+ // Take and execute the topmost action.
+ cc.pop()(token.type, token.content);
+ if (consume){
+ // Marked is used to change the style of the current token.
+ if (marked)
+ token.style = marked;
+ return token;
+ }
+ }
+ }
+
+ // This makes a copy of the parser state. It stores all the
+ // stateful variables in a closure, and returns a function that
+ // will restore them when called with a new input stream. Note
+ // that the cc array has to be copied, because it is contantly
+ // being modified. Lexical objects are not mutated, and context
+ // objects are not mutated in a harmful way, so they can be shared
+ // between runs of the parser.
+ function copy(){
+ var _lexical = lexical, _cc = cc.concat([]), _tokenState = tokens.state;
+
+ return function copyParser(input){
+ lexical = _lexical;
+ cc = _cc.concat([]); // copies the array
+ column = indented = 0;
+ tokens = tokenizeJava(input, _tokenState);
+ return parser;
+ };
+ }
+
+ // Helper function for pushing a number of actions onto the cc
+ // stack in reverse order.
+ function push(fs){
+ for (var i = fs.length - 1; i >= 0; i--)
+ cc.push(fs[i]);
+ }
+ // cont and pass are used by the action functions to add other
+ // actions to the stack. cont will cause the current token to be
+ // consumed, pass will leave it for the next action.
+ function cont(){
+ push(arguments);
+ consume = true;
+ }
+ function pass(){
+ push(arguments);
+ consume = false;
+ }
+ // Used to change the style of the current token.
+ function mark(style){
+ marked = style;
+ }
+
+ // Push a new lexical context of the given type.
+ function pushlex(type, info) {
+ var result = function(){
+ lexical = new JavaLexical(indented, column, type, null, lexical, info)
+ };
+ result.lex = true;
+ return result;
+ }
+ // Pop off the current lexical context.
+ function poplex(){
+ lexical = lexical.prev;
+ }
+ poplex.lex = true;
+ // The 'lex' flag on these actions is used by the 'next' function
+ // to know they can (and have to) be ran before moving on to the
+ // next token.
+
+ // Creates an action that discards tokens until it finds one of
+ // the given type.
+ function expect(wanted){
+ return function expecting(type){
+ if (type == wanted) cont();
+ else cont(arguments.callee);
+ };
+ }
+
+ // Looks for a statement, and then calls itself.
+ function statements(type){
+ return pass(statement, statements);
+ }
+ // Dispatches various types of statements based on the type of the
+ // current token.
+ function statement(type){
+ if (type == "keyword a") cont(pushlex("form"), expression, statement, poplex);
+ else if (type == "keyword b") cont(pushlex("form"), statement, poplex);
+ else if (type == "{") cont(pushlex("}"), block, poplex);
+ else if (type == "for") cont(pushlex("form"), expect("("), pushlex(")"), forspec1, expect(")"), poplex, statement, poplex);
+ else if (type == "variable") cont(pushlex("stat"), maybelabel);
+ else if (type == "switch") cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"), block, poplex, poplex);
+ else if (type == "case") cont(expression, expect(":"));
+ else if (type == "default") cont(expect(":"));
+ else if (type == "catch") cont(pushlex("form"), expect("("), function(){}, expect(")"), statement, poplex);
+ else if (type == "class") cont();
+ else if (type == "interface") cont();
+ else if (type == "keyword c") cont(statement);
+ else pass(pushlex("stat"), expression, expect(";"), poplex);
+ }
+ // Dispatch expression types.
+ function expression(type){
+ if (atomicTypes.hasOwnProperty(type)) cont(maybeoperator);
+ //else if (type == "function") cont(functiondef);
+ else if (type == "keyword c") cont(expression);
+ else if (type == "(") cont(pushlex(")"), expression, expect(")"), poplex, maybeoperator);
+ else if (type == "operator") cont(expression);
+ else if (type == "[") cont(pushlex("]"), commasep(expression, "]"), poplex, maybeoperator);
+ }
+ // Called for places where operators, function calls, or
+ // subscripts are valid. Will skip on to the next action if none
+ // is found.
+ function maybeoperator(type){
+ if (type == "operator") cont(expression);
+ else if (type == "(") cont(pushlex(")"), expression, commasep(expression, ")"), poplex, maybeoperator);
+ else if (type == "[") cont(pushlex("]"), expression, expect("]"), poplex, maybeoperator);
+ }
+ // When a statement starts with a variable name, it might be a
+ // label. If no colon follows, it's a regular statement.
+
+ function maybelabel(type){
+ if (type == "(") cont(commasep(function(){}, ")"), poplex, statement); // method definition
+ else if (type == "{") cont(poplex, pushlex("}"), block, poplex); // property definition
+ else pass(maybeoperator, expect(";"), poplex);
+ }
+
+ // Parses a comma-separated list of the things that are recognized
+ // by the 'what' argument.
+ function commasep(what, end){
+ function proceed(type) {
+ if (type == ",") cont(what, proceed);
+ else if (type == end) cont();
+ else cont(expect(end));
+ };
+ return function commaSeparated(type) {
+ if (type == end) cont();
+ else pass(what, proceed);
+ };
+ }
+ // Look for statements until a closing brace is found.
+ function block(type){
+ if (type == "}") cont();
+ else pass(statement, block);
+ }
+
+ // For loops.
+
+ function forspec1(type){
+ if (type == ";") pass(forspec2);
+ else pass(forspec2);
+ }
+ function formaybein(type, value){
+ if (value == "in") cont(expression);
+ else cont(maybeoperator, forspec2);
+ }
+ function forspec2(type, value){
+ if (type == ";") cont(forspec3);
+ else if (value == "in") cont(expression);
+ else cont(expression, expect(";"), forspec3);
+ }
+ function forspec3(type) {
+ if (type == ")") pass();
+ else cont(expression);
+ }
+
+ return parser;
+ }
+
+ return {
+ make: parseJava,
+ electricChars: "{}:",
+ configure: function(obj) {
+ if (obj.json != null) json = obj.json;
+ }
+ };
+})();
+/**
+ * Java tokenizer for codemirror
+ *
+ * @author Patrick Wied
+ * @version 2010-10-07
+ */
+var tokenizeJava = (function() {
+ // Advance the stream until the given character (not preceded by a
+ // backslash) is encountered, or the end of the line is reached.
+ function nextUntilUnescaped(source, end) {
+ var escaped = false;
+ var next;
+ while (!source.endOfLine()) {
+ var next = source.next();
+ if (next == end && !escaped)
+ return false;
+ escaped = !escaped && next == "\\";
+ }
+ return escaped;
+ }
+
+ // A map of Java's keywords. The a/b/c keyword distinction is
+ // very rough, but it gives the parser enough information to parse
+ // correct code correctly (we don't care that much how we parse
+ // incorrect code). The style information included in these objects
+ // is used by the highlighter to pick the correct CSS style for a
+ // token.
+ var keywords = function(){
+ function result(type, style){
+ return {type: type, style: "java-" + style};
+ }
+ // keywords that take a parenthised expression, and then a
+ // statement (if)
+ var keywordA = result("keyword a", "keyword");
+ // keywords that take just a statement (else)
+ var keywordB = result("keyword b", "keyword");
+ // keywords that optionally take an expression, and form a
+ // statement (return)
+ var keywordC = result("keyword c", "keyword");
+ var operator = result("operator", "keyword");
+ var atom = result("atom", "atom");
+
+ return {
+ "if": keywordA, "while": keywordA, "with": keywordA,
+ "else": keywordB, "do": keywordB, "try": keywordB, "finally": keywordB,
+ "return": keywordC, "break": keywordC, "continue": keywordC, "new": keywordC, "throw": keywordC, "throws": keywordB,
+ "in": operator, "typeof": operator, "instanceof": operator,
+ "catch": result("catch", "keyword"), "for": result("for", "keyword"), "switch": result("switch", "keyword"),
+ "case": result("case", "keyword"), "default": result("default", "keyword"),
+ "true": atom, "false": atom, "null": atom,
+
+ "class": result("class", "keyword"), "interface": result("interface", "keyword"), "package": keywordC, "import": keywordC,
+ "implements": keywordC, "extends": keywordC, "super": keywordC,
+
+ "public": keywordC, "private": keywordC, "protected": keywordC, "transient": keywordC, "this": keywordC,
+ "static": keywordC, "final": keywordC, "const": keywordC, "abstract": keywordC, "static": keywordC,
+
+ "int": keywordC, "double": keywordC, "long": keywordC, "boolean": keywordC, "char": keywordC,
+ "void": keywordC, "byte": keywordC, "float": keywordC, "short": keywordC
+ };
+ }();
+
+ // Some helper regexps
+ var isOperatorChar = /[+\-*&%=<>!?|]/;
+ var isHexDigit = /[0-9A-Fa-f]/;
+ var isWordChar = /[\w\$_]/;
+ // Wrapper around javaToken that helps maintain parser state (whether
+ // we are inside of a multi-line comment and whether the next token
+ // could be a regular expression).
+ function javaTokenState(inside, regexp) {
+ return function(source, setState) {
+ var newInside = inside;
+ var type = javaToken(inside, regexp, source, function(c) {newInside = c;});
+ var newRegexp = type.type == "operator" || type.type == "keyword c" || type.type.match(/^[\[{}\(,;:]$/);
+ if (newRegexp != regexp || newInside != inside)
+ setState(javaTokenState(newInside, newRegexp));
+ return type;
+ };
+ }
+
+ // The token reader, inteded to be used by the tokenizer from
+ // tokenize.js (through jsTokenState). Advances the source stream
+ // over a token, and returns an object containing the type and style
+ // of that token.
+ function javaToken(inside, regexp, source, setInside) {
+ function readHexNumber(){
+ source.next(); // skip the 'x'
+ source.nextWhileMatches(isHexDigit);
+ return {type: "number", style: "java-atom"};
+ }
+
+ function readNumber() {
+ source.nextWhileMatches(/[0-9]/);
+ if (source.equals(".")){
+ source.next();
+ source.nextWhileMatches(/[0-9]/);
+ }
+ if (source.equals("e") || source.equals("E")){
+ source.next();
+ if (source.equals("-"))
+ source.next();
+ source.nextWhileMatches(/[0-9]/);
+ }
+ return {type: "number", style: "java-atom"};
+ }
+ // Read a word, look it up in keywords. If not found, it is a
+ // variable, otherwise it is a keyword of the type found.
+ function readWord() {
+ source.nextWhileMatches(isWordChar);
+ var word = source.get();
+ var known = keywords.hasOwnProperty(word) && keywords.propertyIsEnumerable(word) && keywords[word];
+ return known ? {type: known.type, style: known.style, content: word} :
+ {type: "variable", style: "java-variable", content: word};
+ }
+ function readRegexp() {
+ nextUntilUnescaped(source, "/");
+ source.nextWhileMatches(/[gi]/);
+ return {type: "regexp", style: "java-string"};
+ }
+ // Mutli-line comments are tricky. We want to return the newlines
+ // embedded in them as regular newline tokens, and then continue
+ // returning a comment token for every line of the comment. So
+ // some state has to be saved (inside) to indicate whether we are
+ // inside a /* */ sequence.
+ function readMultilineComment(start){
+ var newInside = "/*";
+ var maybeEnd = (start == "*");
+ while (true) {
+ if (source.endOfLine())
+ break;
+ var next = source.next();
+ if (next == "/" && maybeEnd){
+ newInside = null;
+ break;
+ }
+ maybeEnd = (next == "*");
+ }
+ setInside(newInside);
+ return {type: "comment", style: "java-comment"};
+ }
+
+ // for reading javadoc
+ function readJavaDocComment(start){
+ var newInside = "/**";
+ var maybeEnd = (start == "*");
+ while (true) {
+ if (source.endOfLine())
+ break;
+ var next = source.next();
+ if (next == "/" && maybeEnd){
+ newInside = null;
+ break;
+ }
+ maybeEnd = (next == "*");
+ }
+ setInside(newInside);
+ return {type: "javadoc", style: "javadoc-comment"};
+ }
+ // for reading annotations (word based)
+ function readAnnotation(){
+ source.nextWhileMatches(isWordChar);
+ var word = source.get();
+ return {type: "annotation", style: "java-annotation", content:word};
+ }
+
+ function readOperator() {
+ source.nextWhileMatches(isOperatorChar);
+ return {type: "operator", style: "java-operator"};
+ }
+ function readString(quote) {
+ var endBackSlash = nextUntilUnescaped(source, quote);
+ setInside(endBackSlash ? quote : null);
+ return {type: "string", style: "java-string"};
+ }
+
+ // Fetch the next token. Dispatches on first character in the
+ // stream, or first two characters when the first is a slash.
+ if (inside == "\"" || inside == "'")
+ return readString(inside);
+ var ch = source.next();
+ if (inside == "/*")
+ return readMultilineComment(ch);
+ else if(inside == "/**")
+ return readJavaDocComment(ch);
+ else if (ch == "\"" || ch == "'")
+ return readString(ch);
+ // with punctuation, the type of the token is the symbol itself
+ else if (/[\[\]{}\(\),;\:\.]/.test(ch))
+ return {type: ch, style: "java-punctuation"};
+ else if (ch == "0" && (source.equals("x") || source.equals("X")))
+ return readHexNumber();
+ else if (/[0-9]/.test(ch))
+ return readNumber();
+ else if (ch == "@"){
+ return readAnnotation();
+ }else if (ch == "/"){
+ if (source.equals("*")){
+ source.next();
+
+ if(source.equals("*"))
+ return readJavaDocComment(ch);
+
+ return readMultilineComment(ch);
+ }
+ else if (source.equals("/"))
+ { nextUntilUnescaped(source, null); return {type: "comment", style: "java-comment"};}
+ else if (regexp)
+ return readRegexp();
+ else
+ return readOperator();
+ }
+ else if (isOperatorChar.test(ch))
+ return readOperator();
+ else
+ return readWord();
+ }
+
+ // The external interface to the tokenizer.
+ return function(source, startState) {
+ return tokenizer(source, startState || javaTokenState(false, true));
+ };
+})();
projects / mindcoding-template-patches.git / commitdiff