diff --git a/README.md b/README.md index 9b2a403..034ae93 100644 --- a/README.md +++ b/README.md @@ -5,7 +5,7 @@ __Transform a JSON grammar into an ACE syntax-highlight parser__ -A simple and light-weight (~ 30kB minified, ~ 11kB zipped) [ACE](https://github.com/ajaxorg/ace) add-on +A simple and light-weight (~ 40kB minified, ~ 15kB zipped) [ACE](https://github.com/ajaxorg/ace) add-on to generate syntax-highlight parsers (ace modes) from a grammar specification in JSON format. @@ -31,15 +31,9 @@ See also: [codemirror-grammar](https://github.com/foo123/codemirror-grammar) , ###Todo -Code Indentation, Behaviours, Matching (ACE default), Code Folding is not handled +Code Indentation, Behaviours, Matching are ACE defaults, see [Modularity and Future Directions](https://github.com/foo123/editor-grammar/blob/master/grammar-reference.md#modularity-and-future-directions) -*generic code-folders implementations have been added, specified in grammar.Extra.fold option* - - -see [Modularity and Future Directions](https://github.com/foo123/editor-grammar/blob/master/grammar-reference.md#modularity-and-future-directions) - -* handle arbitrary, user-defined, code `folding` in the `grammar` specification (e.g via `fold action` tokens) * handle arbitrary, user-defined, code `(de-)indentation` in the `grammar` specification (e.g via `indent action` tokens) * handle arbitrary, user-defined, code `matching` (e.g `brackets`, `tags`, etc..) in the `grammar` specification (e.g via `match action` tokens) * handle arbitrary, user-defined, `(operator) precedence` relations in the `grammar` specification (e.g via `precedence action` tokens) @@ -48,6 +42,7 @@ see [Modularity and Future Directions](https://github.com/foo123/editor-grammar/ * enable grammar add-on to pre-compile a grammar specification directly into mode source code, so it can be used without the add-on as standalone mode [TODO, maybe] + ###Features * A [`Grammar`](https://github.com/foo123/editor-grammar/blob/master/grammar-reference.md) can **extend other `Grammars`** (so arbitrary `variations` and `dialects` can be handled more easily) @@ -59,6 +54,7 @@ see [Modularity and Future Directions](https://github.com/foo123/editor-grammar/ * `Grammar` can define [*action* tokens](https://github.com/foo123/editor-grammar/blob/master/grammar-reference.md#action-tokens) to perform *complex context-specific* parsing functionality, including **associated tag matching** and **duplicate identifiers** (see for example `xml.grammar` example) (**NEW feature**) * Generated highlight modes can support **toggle comments** and **keyword autocompletion** functionality if defined in the grammar * Generated highlight modes can support **lint-like syntax-annotation** functionality generated from the grammar +* Generated highlight modes can support custom, user-defined, **code folding** functionality from the [grammar `fold` model](https://github.com/foo123/editor-grammar/blob/master/grammar-reference.md#code-folding) (**NEW feature**) * Generated parsers are **optimized for speed and size** * Can generate a syntax-highlight parser from a grammar **interactively and on-the-fly** ( see example, http://foo123.github.io/examples/ace-grammar ) * see also [Modularity and Future Directions](https://github.com/foo123/editor-grammar/blob/master/grammar-reference.md#modularity-and-future-directions) @@ -155,6 +151,7 @@ xml_mode.supportGrammarAnnotations = true; // enable user-defined autocompletion (if defined) xml_mode.supportAutoCompletion = true; +xml_mode.autocompleter.options = {prefixMatch:true, caseInsensitiveMatch:false}; // 3. use it with ACE var editor = ace.edit("editor"); diff --git a/build/ace_grammar.js b/build/ace_grammar.js index 4f2472a..45686f0 100644 --- a/build/ace_grammar.js +++ b/build/ace_grammar.js @@ -3175,8 +3175,8 @@ function Type( TYPE, positive ) if ( T_STR_OR_ARRAY & get_type( TYPE ) ) TYPE = new_re( '\\b(' + map( make_array( TYPE ).sort( by_length ), esc_re ).join( '|' ) + ')\\b' ); return false === positive - ? function( type ) { return !TYPE.test( type ); } - : function( type ) { return TYPE.test( type ); }; + ? function( type ) { return !type || !TYPE.test( type ); } + : function( type ) { return !!type && TYPE.test( type ); }; } function next_tag( iter, T, M, L, R, S ) @@ -3194,7 +3194,7 @@ function next_tag( iter, T, M, L, R, S ) } else return; } - if ( !(type=iter.token(iter.row, found.index+1)) || !T( type ) ) + if ( !T( iter.token(iter.row, found.index+1) ) ) { iter.col = found.index + 1; continue; @@ -3210,7 +3210,7 @@ function end_tag( iter, T, M, L, R, S ) for (;;) { gt = iter.text.indexOf( R, iter.col ); - if ( -1 == gt ) + if ( -1 === gt ) { if ( iter.next( ) ) { @@ -3219,7 +3219,7 @@ function end_tag( iter, T, M, L, R, S ) } else return; } - if ( !(type=iter.token(iter.row, gt+1)) || !T( type ) ) + if ( !T( iter.token(iter.row, gt+1) ) ) { iter.col = gt + 1; continue; @@ -3237,13 +3237,13 @@ var Folder = { Pattern: function( S, E, T ) { // TODO - return function( ){ }; + return function fold_pattern( ){ }; } ,Indented: function( NOTEMPTY ) { NOTEMPTY = NOTEMPTY || Stream.$NOTEMPTY$; - return function( iter ) { + return function fold_indentation( iter ) { var first_line, first_indentation, cur_line, cur_indentation, start_line = iter.row, start_pos, last_line_in_fold, end_pos, i, end; @@ -3280,24 +3280,24 @@ var Folder = { if ( !S || !E ) return function( ){ }; T = T || TRUE; - return function( iter ) { + return function fold_delimiter( iter ) { var line = iter.row, col = iter.col, - lineText, startCh, at, pass, found, + lineText, startCh, at, pass, found, tokenType, depth, lastLine, end, endCh, i, text, pos, nextOpen, nextClose; lineText = iter.line( line ); for (at=col,pass=0 ;;) { var found = at<=0 ? -1 : lineText.lastIndexOf( S, at-1 ); - if ( -1 == found ) + if ( -1 === found ) { - if ( 1 == pass ) return; + if ( 1 === pass ) return; pass = 1; at = lineText.length; continue; } - if ( 1 == pass && found < col ) return; - if ( T( iter.token( line, found+1 ) ) ) + if ( 1 === pass && found < col ) return; + if ( T( tokenType = iter.token( line, found+1 ) ) ) { startCh = found + S.length; break; @@ -3307,7 +3307,7 @@ var Folder = { depth = 1; lastLine = iter.last(); outer: for (i=line; i<=lastLine; ++i) { - text = iter.line( i ); pos = i==line ? startCh : 0; + text = iter.line( i ); pos = i===line ? startCh : 0; for (;;) { nextOpen = text.indexOf( S, pos ); @@ -3315,9 +3315,12 @@ var Folder = { if ( nextOpen < 0 ) nextOpen = text.length; if ( nextClose < 0 ) nextClose = text.length; pos = MIN( nextOpen, nextClose ); - if ( pos == text.length ) break; - if ( pos == nextOpen ) ++depth; - else if ( !--depth ) { end = i; endCh = pos; break outer; } + if ( pos >= text.length ) break; + if ( iter.token(i, pos+1) == tokenType ) + { + if ( pos === nextOpen ) ++depth; + else if ( !--depth ) { end = i; endCh = pos; break outer; } + } ++pos; } } @@ -3331,43 +3334,45 @@ var Folder = { L = L || "<"; R = R || ">"; S = S || "/"; M = M || new_re( esc_re(L) + "(" + esc_re(S) + "?)([a-zA-Z_\\-][a-zA-Z0-9_\\-:]*)", "g" ); - return function( iter ) { + return function fold_markup( iter ) { iter.col = 0; iter.min = iter.first( ); iter.max = iter.last( ); iter.text = iter.line( iter.row ); - var openTag, end, start, close, tagName, startLine = iter.row; + var openTag, end, start, close, tagName, startLine = iter.row, + stack, next, startCh, i; for (;;) { openTag = next_tag(iter, T, M, L, R, S); - if ( !openTag || iter.row != startLine || !(end = end_tag(iter, T, M, L, R, S)) ) return; - if ( !openTag[1] && end != "autoclosed" ) + if ( !openTag || iter.row !== startLine || !(end = end_tag(iter, T, M, L, R, S)) ) return; + if ( !openTag[1] && "autoclosed" !== end ) { start = [iter.row, iter.col]; tagName = openTag[2]; close = null; // start find_matching_close - var stack = [], next, startCh, i; + stack = []; for (;;) { next = next_tag(iter, T, M, L, R, S); startLine = iter.row; startCh = iter.col - (next ? next[0].length : 0); if ( !next || !(end = end_tag(iter, T, M, L, R, S)) ) return; - if ( end == "autoclosed" ) continue; + if ( "autoclosed" === end ) continue; if ( next[1] ) { // closing tag for (i=stack.length-1; i>=0; --i) { - if ( stack[i] == next[2] ) + if ( stack[i] === next[2] ) { stack.length = i; break; } } - if ( i < 0 && (!tagName || tagName == next[2]) ) + if ( i < 0 && (!tagName || tagName === next[2]) ) { - close = { + /*close = { tag: next[2], pos: [startLine, startCh, iter.row, iter.col] }; - break; + break;*/ + return [start[0], start[1], startLine, startCh]; } } else @@ -3377,10 +3382,10 @@ var Folder = { } } // end find_matching_close - if ( close ) + /*if ( close ) { return [start[0], start[1], close.pos[0], close.pos[1]]; - } + }*/ } } }; @@ -3432,6 +3437,9 @@ this_path = (function(isNode, isBrowser, isWorker) { return { path: path, file: file, base: base }; })(isNode, isBrowser, isWorker), +// browser caches worker source file, even with reset/reload, try to not cache +NOCACHE = '?nocache=' + uuid('nonce') + '_' + (~~(1000*Math.random( ))), + // ace supposed to be available $ace$ = (typeof ace !== 'undefined') ? ace : { require: function() { return { }; }, config: {} } ; @@ -3440,8 +3448,8 @@ $ace$ = (typeof ace !== 'undefined') ? ace : { require: function() { return { }; // // parser factories var AceParser = Class(Parser, { - constructor: function AceParser( grammar, DEFAULT ) { - var self = this, rxLine, FOLD = null, TYPE; + constructor: function AceParser( grammar, DEFAULT, withFolders ) { + var self = this, FOLD = null, TYPE; Parser.call(self, grammar, "text", "invalid"); self.$v$ = 'value'; @@ -3451,22 +3459,9 @@ var AceParser = Class(Parser, { // support comments toggle self.LC = grammar.$comments.line || null; self.BC = grammar.$comments.block ? { start: grammar.$comments.block[0][0], end: grammar.$comments.block[0][1] } : null; - if ( self.LC ) - { - if ( T_ARRAY & get_type(self.LC) ) - rxLine = map( self.LC, esc_re ).join( "|" ); - - else - rxLine = esc_re( self.LC ); - - self.rxLine = new_re("^(\\s*)(?:" + rxLine + ")?"); - } - if ( self.BC ) - { - self.rxStart = new_re("^(\\s*)(?:" + esc_re(self.BC.start) + ")"); - self.rxEnd = new_re("(?:" + esc_re(self.BC.end) + ")\\s*$"); - } + if ( false !== withFolders ) + { // comment-block folding if ( grammar.$comments.block && grammar.$comments.block.length ) { @@ -3506,17 +3501,15 @@ var AceParser = Class(Parser, { } }, 0, FOLD.length-1, FOLD); } + } } ,LC: null ,BC: null - ,rxLine: null - ,rxStart: null - ,rxEnd: null ,dispose: function( ) { var self = this; - self.LC = self.BC = self.rxLine = self.rxStart = self.rxEnd = null; + self.LC = self.BC = null; return Parser[PROTO].dispose.call( self ); } @@ -3527,21 +3520,6 @@ var AceParser = Class(Parser, { return {tokens:self.tokenize( Stream( line ), state, row ), state:state}; } - ,keywords: function( append, ace ) { - var self = this; - if ( self.$grammar.$autocomplete ) - { - return map(self.$grammar.$autocomplete, function( word ){ - return { - name: word.word, - value: word.word, - meta: word.meta, - score: 1 - }; - }); - } - return []; - } ,autocomplete: function( state, session, position, prefix, options, ace ) { var self = this; if ( self.$grammar.$autocomplete && prefix.length ) @@ -3578,10 +3556,6 @@ var AceParser = Class(Parser, { return []; } - ,indent: function( state, line, tab, ace ) { - return line.match(Stream.$SPACE$)[0]; - } - ,iterator: function( session, ace ) { var tabSize = session.getTabSize(); return { @@ -3618,193 +3592,6 @@ var AceParser = Class(Parser, { return fold; } } - - // toggle comment lines - ,tCL: function( state, session, startRow, endRow ) { - var parser = self, doc = session.doc, - ignoreBlankLines = true, - shouldRemove = true, - minIndent = Infinity, - tabSize = session.getTabSize(), - insertAtTabStop = false, - comment, uncomment, testRemove, shouldInsertSpace, - lineCommentStart, lineCommentEnd, regexpStart, regexpEnd, - minEmptyLength, regexpLine, commentWithSpace - ; - - if ( !parser.LC ) - { - if ( !parser.BC ) return false; - - lineCommentStart = parser.BC.start; - lineCommentEnd = parser.BC.end; - regexpStart = parser.rxStart; - regexpEnd = parser.rxEnd; - - comment = function( i ) { - var line = doc.getLine(i); - if (testRemove(line, i)) return; - if (!ignoreBlankLines || /\S/.test(line)) - { - doc.insertInLine({row: i, column: line.length}, lineCommentEnd); - doc.insertInLine({row: i, column: minIndent}, lineCommentStart); - } - }; - - uncomment = function( i ) { - var line = doc.getLine(i), m; - if (m = line.match(regexpEnd)) - doc.removeInLine(i, line.length - m[0].length, line.length); - if (m = line.match(regexpStart)) - doc.removeInLine(i, m[1].length, m[0].length); - }; - - testRemove = function( line, row ) { - if (regexpStart.test(line)) return true; - var tokens = session.getTokens(row); - for (var i = 0; i < tokens.length; i++) - { - if (tokens[i].type === 'comment') return true; - } - }; - } - else - { - lineCommentStart = (T_ARRAY === get_type(parser.LC)) ? parser.LC[0] : parser.LC; - regexpLine = parser.rxLine; - commentWithSpace = lineCommentStart + " "; - - insertAtTabStop = session.getUseSoftTabs(); - - uncomment = function( i ) { - var line = doc.getLine(i), m = line.match(regexpLine), start, end; - if (!m) return; - start = m[1].length; end = m[0].length; - if (!shouldInsertSpace(line, start, end) && m[0][end - 1] == " ") end--; - doc.removeInLine(i, start, end); - }; - - comment = function( i ) { - var line = doc.getLine(i); - if (!ignoreBlankLines || /\S/.test(line)) - { - if (shouldInsertSpace(line, minIndent, minIndent)) - doc.insertInLine({row: i, column: minIndent}, commentWithSpace); - else - doc.insertInLine({row: i, column: minIndent}, lineCommentStart); - } - }; - - testRemove = function( line, i ) { - return regexpLine.test(line); - }; - - shouldInsertSpace = function(line, before, after) { - var spaces = 0; - while (before-- && line[CHAR](before) == " ") spaces++; - if (spaces % tabSize != 0) return false; - spaces = 0; - while (line[CHAR](after++) == " ") spaces++; - if (tabSize > 2) return spaces % tabSize != tabSize - 1; - else return spaces % tabSize == 0; - return true; - }; - } - - minEmptyLength = Infinity; - - iterate(function( i ) { - var line = doc.getLine(i), indent = line.search(/\S/); - if (indent !== -1) - { - if (indent < minIndent) minIndent = indent; - if (shouldRemove && !testRemove(line, i)) shouldRemove = false; - } - else if (minEmptyLength > line.length) - { - minEmptyLength = line.length; - } - }, startRow, endRow); - - if (Infinity == minIndent) - { - minIndent = minEmptyLength; - ignoreBlankLines = false; - shouldRemove = false; - } - - if (insertAtTabStop && minIndent % tabSize != 0) - minIndent = Math.floor(minIndent / tabSize) * tabSize; - - iterate(shouldRemove ? uncomment : comment, startRow, endRow); - } - - // toggle block comment - ,tCB: function( state, session, range, cursor, TokenIterator, Range ) { - var parser = self, comment = parser.BC, iterator, token, sel, - initialRange, startRow, colDiff, - startRange, endRange, i, row, column, - comment_re = /comment/ - ; - if (!comment) return; - - iterator = new TokenIterator( session, cursor.row, cursor.column ); - token = iterator.getCurrentToken(); - - sel = session.selection; - initialRange = sel.toOrientedRange(); - - if (token && comment_re.test(token.type)) - { - while (token && comment_re.test(token.type)) - { - i = token.value.indexOf(comment.start); - if (i != -1) - { - row = iterator.getCurrentTokenRow(); - column = iterator.getCurrentTokenColumn() + i; - startRange = new Range(row, column, row, column + comment.start.length); - break; - } - token = iterator.stepBackward(); - }; - - iterator = new TokenIterator(session, cursor.row, cursor.column); - token = iterator.getCurrentToken(); - while (token && comment_re.test(token.type)) - { - i = token.value.indexOf(comment.end); - if (i != -1) - { - row = iterator.getCurrentTokenRow(); - column = iterator.getCurrentTokenColumn() + i; - endRange = new Range(row, column, row, column + comment.end.length); - break; - } - token = iterator.stepForward(); - } - if (endRange) - session.remove(endRange); - if (startRange) - { - session.remove(startRange); - startRow = startRange.start.row; - colDiff = -comment.start.length; - } - } - else - { - colDiff = comment.start.length; - startRow = range.start.row; - session.insert(range.end, comment.end); - session.insert(range.start, comment.start); - } - if (initialRange.start.row == startRow) - initialRange.start.column += colDiff; - if (initialRange.end.row == startRow) - initialRange.end.column += colDiff; - session.selection.fromOrientedRange(initialRange); - } }); AceParser.Type = Type; AceParser.Fold = Folder; @@ -3823,10 +3610,10 @@ function grammar_worker_init( e ) ace.define('ace/grammar_worker', ['require', 'exports', 'module' , 'ace/worker/mirror'], function( require, exports, module ) { - var WorkerMirror = require("./worker/mirror").Mirror, AceGrammarWorker; + var WorkerMirror = require("./worker/mirror").Mirror; // extends require("./worker/mirror").Mirror - exports.AceGrammarWorker = AceGrammarWorker = Class(WorkerMirror, { + exports.AceGrammarWorker = Class(WorkerMirror, { constructor: function AceGrammarWorker( sender ) { var self = this; WorkerMirror.call( self, sender ); @@ -3837,7 +3624,7 @@ function grammar_worker_init( e ) ,init_parser: function( grammar, id ) { var self = this; - self.$parser = new AceParser( parse_grammar( grammar ) ); + self.$parser = new AceParser( parse_grammar( grammar ), null, false ); self.sender.callback( 1, id ); } @@ -3876,9 +3663,11 @@ function grammar_worker_init( e ) } } +/* // adapted from ace Marker renderer +// https://github.com/ajaxorg/ace/issues/2720 // renderer(html, range, left, top, config); -/*function getBorderClass(tl, tr, br, bl) +function getBorderClass(tl, tr, br, bl) { return (tl ? 1 : 0) | (tr ? 2 : 0) | (br ? 4 : 0) | (bl ? 8 : 0); } @@ -3912,8 +3701,8 @@ function custom_text_marker( clazz, popup, session, Range ) ); } }; -}*/ - +} +*/ function clear_markers( session, $markers ) { if ( !session[$markers] ) session[$markers] = []; @@ -3960,49 +3749,63 @@ function update_annotations( session, errors, $markers, Range ) session.setAnnotations( errors ); } - function get_mode( grammar, DEFAULT, ace ) { - // ace required helpers ace = ace || $ace$; /* pass ace reference if not already available */ - var ace_mode, grammar_copy = clone( grammar ) + var grammar_copy = clone( grammar ) + // ace required helpers ,Range = ace.require('ace/range').Range - ,TokenIterator = ace.require('ace/token_iterator').TokenIterator - // adapted from ace directly - ,WorkerClient = ace.require("ace/worker/worker_client").WorkerClient + ,WorkerClient = ace.require('ace/worker/worker_client').WorkerClient ,AceWorker = Class(WorkerClient, { - constructor: function AceWorker( topLevelNamespaces, mod, classname ) { + constructor: function AceWorker( topLevelNamespaces, mod, classname, workerUrl ) { var self = this, require = ace.require, config = ace.config; self.$sendDeltaQueue = self.$sendDeltaQueue.bind(self); self.changeListener = self.changeListener.bind(self); self.onMessage = self.onMessage.bind(self); if (require.nameToUrl && !require.toUrl) require.toUrl = require.nameToUrl; - - var workerUrl; + + if ( !workerUrl ) + { if (config.get("packaged") || !require.toUrl) { - workerUrl = config.moduleUrl(mod, "worker"); + workerUrl = workerUrl || config.moduleUrl(mod, "worker"); } else { var normalizePath = self.$normalizePath; - workerUrl = normalizePath(require.toUrl("ace/worker/worker.js", null, "_")); + workerUrl = workerUrl || normalizePath(require.toUrl("ace/worker/worker.js", null, "_")); var tlns = {}; topLevelNamespaces.forEach(function(ns) { tlns[ns] = normalizePath(require.toUrl(ns, null, "_").replace(/(\.js)?(\?.*)?$/, "")); }); } - - self.$worker = new Worker( workerUrl ); - + } + + try { + self.$worker = new Worker(workerUrl); + } catch(e) { + if (e instanceof window.DOMException) { + var blob = self.$workerBlob(workerUrl); + var URL = window.URL || window.webkitURL; + var blobURL = URL.createObjectURL(blob); + + self.$worker = new Worker(blobURL); + URL.revokeObjectURL(blobURL); + } else { + throw e; + } + } + self.$worker.postMessage({ load: true, - ace_worker_base: this_path.base + '/' + config.moduleUrl("ace/worker/json") + // browser caches worker source file, even with reset/reload, try to not cache + // https://github.com/ajaxorg/ace/issues/2730 + ace_worker_base: this_path.base + '/' + config.moduleUrl("ace/worker/json") + NOCACHE }); self.$worker.postMessage({ init : true, - tlns: tlns, - module: mod, - classname: classname + tlns : tlns, + module : mod, + classname : classname }); self.callbackId = 1; @@ -4011,145 +3814,129 @@ function get_mode( grammar, DEFAULT, ace ) self.$worker.onmessage = self.onMessage; } }) - // adapted from ace directly - ,FoldMode = ace.require("ace/mode/folding/fold_mode").FoldMode + ,FoldMode = ace.require('ace/mode/folding/fold_mode').FoldMode ,AceFold = Class(FoldMode, { constructor: function( $folder ) { var self = this; FoldMode.call( self ); self.$findFold = $folder; + self.$lastFold = null; } ,getFoldWidget: function( session, foldStyle, row ) { - var self = this, fold = self.$findFold( session, foldStyle, row ); - if ( fold ) - { - if ( "markbeginend" === foldStyle && fold.end ) return "end"; - else return "start"; - } - return ""; + var fold = this.$lastFold = this.$findFold( session, foldStyle, row ); + // cache the fold to be re-used in getFoldWidgetRange + // it is supposed that getFoldWidgetRange is called after getFoldWidget succeeds + // on same row and with same style, so same fold should be re-used for efficiency + return fold + ? ("markbeginend" === foldStyle && fold.end ? "end" : "start") + : ""; } ,getFoldWidgetRange: function( session, foldStyle, row, forceMultiline ) { - var fold = this.$findFold( session, foldStyle, row ); + // cache the fold to be re-used in getFoldWidgetRange + // it is supposed that getFoldWidgetRange is called after getFoldWidget succeeds + // on same row and with same style, so same fold should be re-used for efficiency + var fold = this.$lastFold;// this.$findFold( session, foldStyle, row ); if ( fold ) return new Range(fold[0], fold[1], fold[2], fold[3]); } }) - ; - - // ACE-compatible Mode - ace_mode = { - $id: uuid("ace_grammar_mode") - ,$parser: new AceGrammar.Parser( parse_grammar( grammar ), DEFAULT ) - - /* - // maybe needed in later versions..? - ,createModeDelegates: function (mapping) { } - ,$delegator: function(method, args, defaultHandler) { } - ,HighlightRules: null - ,$behaviour: parser.$behaviour || null - ,lineCommentStart: parser.LC - ,blockComment: parser.BC - ,$getIndent: function(line) { return parser.indent(line); } - ,$createKeywordList: function() { return parser.$createKeywordList(); } - */ - - ,getTokenizer: function( ) { - return ace_mode.$parser; - } - - ,toggleCommentLines: function( state, session, startRow, endRow ) { - return ace_mode.$parser.tCL( state, session, startRow, endRow ); - } - ,toggleBlockComment: function( state, session, range, cursor ) { - return ace_mode.$parser.tCB( state, session, range, cursor, TokenIterator, Range ); + ,Mode = ace.require('ace/mode/text').Mode + ,AceMode = Class(Mode, { + constructor: function AceMode( ) { + var self = this; + Mode.call( self ); + self.$id = AceMode.$id; + self.$tokenizer = AceMode.$parser; + // comment-toggle functionality + self.lineCommentStart = AceMode.$parser.LC; + self.blockComment = AceMode.$parser.BC; + // custom, user-defined, code folding generated from grammar + self.foldingRules = new AceFold( self.folder.bind( self ) ); } - ,transformAction: function( state, action, editor, session, param ) { } - - ,getNextLineIndent: function( state, line, tab ) { - return ace_mode.$parser.indent( state, line, tab ); - } - ,checkOutdent: function( state, line, input ) { - return false; - } - ,autoOutdent: function( state, doc, row ) { } - - // custom, user-defined, code folding generated from grammar - ,supportCodeFolding: true - ,$folder: function folder( session, foldStyle, row ) { - var fold, min_row, current_row, folder; - if ( ace_mode.supportCodeFolding && ace_mode.$parser ) - { - folder = ace_mode.$parser; - - if ( "markbeginend" === foldStyle ) - { - current_row = row; min_row = MAX(0, row-500); // check up to 500 rows up - fold = folder.fold( session, row, ace ); - if ( fold ) - { - fold.start = true; fold.end = false; - return fold; - } - // try to find if any block ends on this row, backwards - // TODO, maybe a bit slower, than direct backwards search - while ( row > min_row && (!fold || current_row !== fold[2]) ) fold = folder.fold( session, --row, ace ); - if ( fold && current_row === fold[2] ) - { - fold.start = false; fold.end = true; - return fold; // found end of fold, return end marker - } - } - - else if ( fold = folder.fold( session, row, ace ) ) - { - fold.start = true; fold.end = false; - return fold; - } - } - } - ,foldingRules: null /* added below */ // custom, user-defined, syntax lint-like validation/annotations generated from grammar ,supportGrammarAnnotations: false ,createWorker: function( session ) { - if ( !ace_mode.supportGrammarAnnotations ) + if ( !this.supportGrammarAnnotations ) { - clear_annotations( session, ace_mode.$id+'$markers' ); + clear_annotations( session, AceMode.$markers ); return null; } // add this worker as an ace custom module - ace.config.setModuleUrl("ace/grammar_worker", this_path.file); - var worker = new AceWorker(['ace'], "ace/grammar_worker", 'AceGrammarWorker'); + //ace.config.setModuleUrl("ace/grammar_worker", this_path.file + NOCACHE); + var worker = new AceWorker(['ace'], "ace/grammar_worker", 'AceGrammarWorker', this_path.file + NOCACHE); worker.attachToDocument( session.getDocument( ) ); // create a worker for this grammar worker.call('init_parser', [grammar_copy], function( ){ // hook worker to enable error annotations worker.on("ace_grammar_worker_error", function( e ) { var errors = e.data; - update_annotations( session, errors, ace_mode.$id+'$markers', Range ) + update_annotations( session, errors, AceMode.$markers, Range ) }); worker.on("ace_grammar_worker_ok", function() { - clear_annotations( session, ace_mode.$id+'$markers' ); + clear_annotations( session, AceMode.$markers ); }); }); + worker.on("terminate", function() { + clear_annotations( session, AceMode.$markers ); + }); return worker; } + + // custom, user-defined, code folding generated from grammar + ,supportCodeFolding: true + ,folder: function folder( session, foldStyle, row ) { + return !this.supportCodeFolding + ? null + : AceMode.$folder( session, foldStyle, row, folder.options||{} ); + } + // custom, user-defined, autocompletions generated from grammar ,supportAutoCompletion: true + ,autocompleter: function autocompleter( state, session, position, prefix ) { + return !this.supportAutoCompletion + ? [] + : AceMode.$autocompleter( state, session, position, prefix, autocompleter.options||{} ); + } + ,getKeywords: function( append ) { + return []; // use getCompletions + } ,getCompletions: function( state, session, position, prefix ) { - return ace_mode.supportAutoCompletion && ace_mode.$parser - ? ace_mode.$parser.autocomplete( state, session, position, prefix, options, ace ) - : []; + return this.autocompleter( state, session, position, prefix ); } ,dispose: function( ) { - if ( ace_mode.$parser ) ace_mode.$parser.dispose( ); - ace_mode.$parser = null; - ace_mode.foldingRules = ace_mode.$folder = null; + var self = this; + self.$tokenizer = self.foldingRules = self.autocompleter = null; + AceMode.dispose( ); } + }); + AceMode.$id = uuid("ace_grammar_mode"); + AceMode.$markers = AceMode.$id+'$markers'; + AceMode.$parser = new AceGrammar.Parser( parse_grammar( grammar ), DEFAULT ); + AceMode.$folder = function folder( session, foldStyle, row, options ) { + var min_row, current_row, folder = AceMode.$parser, + fold = folder.fold( session, row, ace ); + if ( "markbeginend" === foldStyle ) + { + if ( fold ) { fold.start = true; fold.end = false; return fold; } + current_row = row; min_row = MAX(0, row-200); // check up to 200 rows up for efficiency + // try to find if any block ends on this row, backwards + // TODO, maybe a bit slower, than direct backwards search + while ( row > min_row && (!fold || current_row !== fold[2]) ) fold = folder.fold( session, --row, ace ); + // found end of fold, return end marker + if ( fold && current_row === fold[2] ) { fold.start = false; fold.end = true; return fold; } + } + else if ( fold ) { fold.start = true; fold.end = false; return fold; } + }; + AceMode.$autocompleter = function autocompleter( state, session, position, prefix, options ) { + return AceMode.$parser.autocomplete( state, session, position, prefix, options, ace ); + }; + AceMode.dispose = function( ) { + if ( AceMode.$parser ) AceMode.$parser.dispose( ); + AceMode.$parser = AceMode.$folder = AceMode.$autocompleter = AceMode.autocompleter = null; }; - ace_mode.foldingRules = new AceFold( ace_mode.$folder ); - return ace_mode; + return new AceMode( ); // object } diff --git a/build/ace_grammar.min.js b/build/ace_grammar.min.js index ddf1ff4..407f5f8 100644 --- a/build/ace_grammar.min.js +++ b/build/ace_grammar.min.js @@ -7,5 +7,5 @@ * https://github.com/foo123/ace-grammar * https://github.com/foo123/editor-grammar * -**/!function(e,n,t){"use strict";var r,o="object"==typeof module&&module.exports,i="function"==typeof define&&define.amd;o?module.exports=(module.$deps=module.$deps||{})[n]=module.$deps[n]||t.call(e,{NODE:module})||1:i&&"function"==typeof require&&"function"==typeof require.specified&&require.specified(n)?define(n,["require","exports","module"],function(n,r,o){return t.call(e,{AMD:o})}):n in e||(e[n]=r=t.call(e,{})||1)&&i&&define(n,[],function(){return r})}(this,"AceGrammar",function(e){"use strict";function n(e){var 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u=0,c=e.$comments.block.length;c>u;u++)l.$folders.push(nr.Fold.Delimited(e.$comments.block[u][0],e.$comments.block[u][1],i))}e.Fold&&wn&t(e.Fold)?a=e.Fold[mn]():e.$extra.fold&&(a=e.$extra.fold[mn]()),a&&(a=a.split("+"),o(function(t,n){var r=Cn(n[t]);if("brace"===r||"cstyle"===r){var o=D(e,1);i=o.length?nr.Type(o,!1):s,l.$folders.push(nr.Fold.Delimited("{","}",i)),l.$folders.push(nr.Fold.Delimited("[","]",i))}else"indent"===r||"indentation"===r?l.$folders.push(nr.Fold.Indented()):("markup"===r||"html"===r||"xml"===r)&&(l.$folders.push(nr.Fold.Delimited("",nr.Type(["comment","tag"],!1))),l.$folders.push(nr.Fold.MarkedUp(nr.Type("tag"),"<",">","/")))},0,a.length-1,a))}},LC:null,BC:null,dispose:function(){var e=this;return e.LC=e.BC=null,Yn[on].dispose.call(e)},getLineTokens:function(e,t,n){var r=this;return t=new Q(1,t),{tokens:r.tokenize(Z(e),t,n),state:t}},autocomplete:function(e,t,n,o,i){var l=this;if(l.$grammar.$autocomplete&&o.length){i=i||{};var s=i[ln]("caseInsesitiveMatch")?!!i.caseInsesitiveMatch:!1,a=i[ln]("prefixMatch")?!!i.prefixMatch:!0,u=o,c=u[mn](),p=u.length;return r(l.$grammar.$autocomplete,function(e,t){var n,r,o,i,l,f,m,h=t.word,g=h.length;return g>=p&&(n=t.meta,r=!!h.ci,m=s||r,m?(l=h[mn](),f=c):(l=h,f=u),(i=l.indexOf(f))>=0&&(!a||0===i)&&(o=m?h.indexOf(u):i,e.push({name:h,value:h,meta:n,score:1e3-10*(g-p)-5*(0>o?i+3:o)}))),e},[])}return[]},iterator:function(e){var t=e.getTabSize();return{row:0,col:0,min:0,max:0,line:function(t){return e.getLine(t)},first:function(){return 0},last:function(){return e.getLength()-1},next:function(){var e=this;if(!(e.row>=e.max))return e.col=0,e.row++,!0},prev:function(){var e=this;if(!(e.row<=e.min))return e.col=0,e.row--,!0},indentation:function(e){return H(e,null,t)},token:function(t,n){return e.getTokenAt(t,n).type}}},fold:function(e,t,n){var r,o,i,l=this,s=l.$folders,a=s.length;if(a)for(o=l.iterator(e,n),o.row=t,o.col=0,r=0;a>r;r++)if(i=s[r](o))return i}});er.Type=J,er.Fold=Kn,Zn&&(onmessage=tt);var tr=e.AceGrammar={VERSION:"2.6.0",clone:i,extend:l,pre_process:S,parse:T,getMode:lt,Parser:er};return e.AceGrammar}); \ No newline at end of file diff --git a/editor-grammar b/editor-grammar index d18f3ee..739980f 160000 --- a/editor-grammar +++ b/editor-grammar @@ -1 +1 @@ -Subproject commit d18f3ee990c26c51b222626af827f4b579a42921 +Subproject commit 739980fbc439fb67ffd826b4fbf11be856348406 diff --git a/src/main.js b/src/main.js index 8f7812d..424e7cf 100644 --- a/src/main.js +++ b/src/main.js @@ -42,6 +42,9 @@ this_path = (function(isNode, isBrowser, isWorker) { return { path: path, file: file, base: base }; })(isNode, isBrowser, isWorker), +// browser caches worker source file, even with reset/reload, try to not cache +NOCACHE = '?nocache=' + uuid('nonce') + '_' + (~~(1000*Math.random( ))), + // ace supposed to be available $ace$ = (typeof ace !== 'undefined') ? ace : { require: function() { return { }; }, config: {} } ; @@ -50,8 +53,8 @@ $ace$ = (typeof ace !== 'undefined') ? ace : { require: function() { return { }; // // parser factories var AceParser = Class(Parser, { - constructor: function AceParser( grammar, DEFAULT ) { - var self = this, rxLine, FOLD = null, TYPE; + constructor: function AceParser( grammar, DEFAULT, withFolders ) { + var self = this, FOLD = null, TYPE; Parser.call(self, grammar, "text", "invalid"); self.$v$ = 'value'; @@ -61,22 +64,9 @@ var AceParser = Class(Parser, { // support comments toggle self.LC = grammar.$comments.line || null; self.BC = grammar.$comments.block ? { start: grammar.$comments.block[0][0], end: grammar.$comments.block[0][1] } : null; - if ( self.LC ) - { - if ( T_ARRAY & get_type(self.LC) ) - rxLine = map( self.LC, esc_re ).join( "|" ); - - else - rxLine = esc_re( self.LC ); - - self.rxLine = new_re("^(\\s*)(?:" + rxLine + ")?"); - } - if ( self.BC ) - { - self.rxStart = new_re("^(\\s*)(?:" + esc_re(self.BC.start) + ")"); - self.rxEnd = new_re("(?:" + esc_re(self.BC.end) + ")\\s*$"); - } + if ( false !== withFolders ) + { // comment-block folding if ( grammar.$comments.block && grammar.$comments.block.length ) { @@ -116,17 +106,15 @@ var AceParser = Class(Parser, { } }, 0, FOLD.length-1, FOLD); } + } } ,LC: null ,BC: null - ,rxLine: null - ,rxStart: null - ,rxEnd: null ,dispose: function( ) { var self = this; - self.LC = self.BC = self.rxLine = self.rxStart = self.rxEnd = null; + self.LC = self.BC = null; return Parser[PROTO].dispose.call( self ); } @@ -137,21 +125,6 @@ var AceParser = Class(Parser, { return {tokens:self.tokenize( Stream( line ), state, row ), state:state}; } - ,keywords: function( append, ace ) { - var self = this; - if ( self.$grammar.$autocomplete ) - { - return map(self.$grammar.$autocomplete, function( word ){ - return { - name: word.word, - value: word.word, - meta: word.meta, - score: 1 - }; - }); - } - return []; - } ,autocomplete: function( state, session, position, prefix, options, ace ) { var self = this; if ( self.$grammar.$autocomplete && prefix.length ) @@ -188,10 +161,6 @@ var AceParser = Class(Parser, { return []; } - ,indent: function( state, line, tab, ace ) { - return line.match(Stream.$SPACE$)[0]; - } - ,iterator: function( session, ace ) { var tabSize = session.getTabSize(); return { @@ -228,193 +197,6 @@ var AceParser = Class(Parser, { return fold; } } - - // toggle comment lines - ,tCL: function( state, session, startRow, endRow ) { - var parser = self, doc = session.doc, - ignoreBlankLines = true, - shouldRemove = true, - minIndent = Infinity, - tabSize = session.getTabSize(), - insertAtTabStop = false, - comment, uncomment, testRemove, shouldInsertSpace, - lineCommentStart, lineCommentEnd, regexpStart, regexpEnd, - minEmptyLength, regexpLine, commentWithSpace - ; - - if ( !parser.LC ) - { - if ( !parser.BC ) return false; - - lineCommentStart = parser.BC.start; - lineCommentEnd = parser.BC.end; - regexpStart = parser.rxStart; - regexpEnd = parser.rxEnd; - - comment = function( i ) { - var line = doc.getLine(i); - if (testRemove(line, i)) return; - if (!ignoreBlankLines || /\S/.test(line)) - { - doc.insertInLine({row: i, column: line.length}, lineCommentEnd); - doc.insertInLine({row: i, column: minIndent}, lineCommentStart); - } - }; - - uncomment = function( i ) { - var line = doc.getLine(i), m; - if (m = line.match(regexpEnd)) - doc.removeInLine(i, line.length - m[0].length, line.length); - if (m = line.match(regexpStart)) - doc.removeInLine(i, m[1].length, m[0].length); - }; - - testRemove = function( line, row ) { - if (regexpStart.test(line)) return true; - var tokens = session.getTokens(row); - for (var i = 0; i < tokens.length; i++) - { - if (tokens[i].type === 'comment') return true; - } - }; - } - else - { - lineCommentStart = (T_ARRAY === get_type(parser.LC)) ? parser.LC[0] : parser.LC; - regexpLine = parser.rxLine; - commentWithSpace = lineCommentStart + " "; - - insertAtTabStop = session.getUseSoftTabs(); - - uncomment = function( i ) { - var line = doc.getLine(i), m = line.match(regexpLine), start, end; - if (!m) return; - start = m[1].length; end = m[0].length; - if (!shouldInsertSpace(line, start, end) && m[0][end - 1] == " ") end--; - doc.removeInLine(i, start, end); - }; - - comment = function( i ) { - var line = doc.getLine(i); - if (!ignoreBlankLines || /\S/.test(line)) - { - if (shouldInsertSpace(line, minIndent, minIndent)) - doc.insertInLine({row: i, column: minIndent}, commentWithSpace); - else - doc.insertInLine({row: i, column: minIndent}, lineCommentStart); - } - }; - - testRemove = function( line, i ) { - return regexpLine.test(line); - }; - - shouldInsertSpace = function(line, before, after) { - var spaces = 0; - while (before-- && line[CHAR](before) == " ") spaces++; - if (spaces % tabSize != 0) return false; - spaces = 0; - while (line[CHAR](after++) == " ") spaces++; - if (tabSize > 2) return spaces % tabSize != tabSize - 1; - else return spaces % tabSize == 0; - return true; - }; - } - - minEmptyLength = Infinity; - - iterate(function( i ) { - var line = doc.getLine(i), indent = line.search(/\S/); - if (indent !== -1) - { - if (indent < minIndent) minIndent = indent; - if (shouldRemove && !testRemove(line, i)) shouldRemove = false; - } - else if (minEmptyLength > line.length) - { - minEmptyLength = line.length; - } - }, startRow, endRow); - - if (Infinity == minIndent) - { - minIndent = minEmptyLength; - ignoreBlankLines = false; - shouldRemove = false; - } - - if (insertAtTabStop && minIndent % tabSize != 0) - minIndent = Math.floor(minIndent / tabSize) * tabSize; - - iterate(shouldRemove ? uncomment : comment, startRow, endRow); - } - - // toggle block comment - ,tCB: function( state, session, range, cursor, TokenIterator, Range ) { - var parser = self, comment = parser.BC, iterator, token, sel, - initialRange, startRow, colDiff, - startRange, endRange, i, row, column, - comment_re = /comment/ - ; - if (!comment) return; - - iterator = new TokenIterator( session, cursor.row, cursor.column ); - token = iterator.getCurrentToken(); - - sel = session.selection; - initialRange = sel.toOrientedRange(); - - if (token && comment_re.test(token.type)) - { - while (token && comment_re.test(token.type)) - { - i = token.value.indexOf(comment.start); - if (i != -1) - { - row = iterator.getCurrentTokenRow(); - column = iterator.getCurrentTokenColumn() + i; - startRange = new Range(row, column, row, column + comment.start.length); - break; - } - token = iterator.stepBackward(); - }; - - iterator = new TokenIterator(session, cursor.row, cursor.column); - token = iterator.getCurrentToken(); - while (token && comment_re.test(token.type)) - { - i = token.value.indexOf(comment.end); - if (i != -1) - { - row = iterator.getCurrentTokenRow(); - column = iterator.getCurrentTokenColumn() + i; - endRange = new Range(row, column, row, column + comment.end.length); - break; - } - token = iterator.stepForward(); - } - if (endRange) - session.remove(endRange); - if (startRange) - { - session.remove(startRange); - startRow = startRange.start.row; - colDiff = -comment.start.length; - } - } - else - { - colDiff = comment.start.length; - startRow = range.start.row; - session.insert(range.end, comment.end); - session.insert(range.start, comment.start); - } - if (initialRange.start.row == startRow) - initialRange.start.column += colDiff; - if (initialRange.end.row == startRow) - initialRange.end.column += colDiff; - session.selection.fromOrientedRange(initialRange); - } }); AceParser.Type = Type; AceParser.Fold = Folder; @@ -433,10 +215,10 @@ function grammar_worker_init( e ) ace.define('ace/grammar_worker', ['require', 'exports', 'module' , 'ace/worker/mirror'], function( require, exports, module ) { - var WorkerMirror = require("./worker/mirror").Mirror, AceGrammarWorker; + var WorkerMirror = require("./worker/mirror").Mirror; // extends require("./worker/mirror").Mirror - exports.AceGrammarWorker = AceGrammarWorker = Class(WorkerMirror, { + exports.AceGrammarWorker = Class(WorkerMirror, { constructor: function AceGrammarWorker( sender ) { var self = this; WorkerMirror.call( self, sender ); @@ -447,7 +229,7 @@ function grammar_worker_init( e ) ,init_parser: function( grammar, id ) { var self = this; - self.$parser = new AceParser( parse_grammar( grammar ) ); + self.$parser = new AceParser( parse_grammar( grammar ), null, false ); self.sender.callback( 1, id ); } @@ -486,9 +268,11 @@ function grammar_worker_init( e ) } } +/* // adapted from ace Marker renderer +// https://github.com/ajaxorg/ace/issues/2720 // renderer(html, range, left, top, config); -/*function getBorderClass(tl, tr, br, bl) +function getBorderClass(tl, tr, br, bl) { return (tl ? 1 : 0) | (tr ? 2 : 0) | (br ? 4 : 0) | (bl ? 8 : 0); } @@ -522,8 +306,8 @@ function custom_text_marker( clazz, popup, session, Range ) ); } }; -}*/ - +} +*/ function clear_markers( session, $markers ) { if ( !session[$markers] ) session[$markers] = []; @@ -570,49 +354,63 @@ function update_annotations( session, errors, $markers, Range ) session.setAnnotations( errors ); } - function get_mode( grammar, DEFAULT, ace ) { - // ace required helpers ace = ace || $ace$; /* pass ace reference if not already available */ - var ace_mode, grammar_copy = clone( grammar ) + var grammar_copy = clone( grammar ) + // ace required helpers ,Range = ace.require('ace/range').Range - ,TokenIterator = ace.require('ace/token_iterator').TokenIterator - // adapted from ace directly - ,WorkerClient = ace.require("ace/worker/worker_client").WorkerClient + ,WorkerClient = ace.require('ace/worker/worker_client').WorkerClient ,AceWorker = Class(WorkerClient, { - constructor: function AceWorker( topLevelNamespaces, mod, classname ) { + constructor: function AceWorker( topLevelNamespaces, mod, classname, workerUrl ) { var self = this, require = ace.require, config = ace.config; self.$sendDeltaQueue = self.$sendDeltaQueue.bind(self); self.changeListener = self.changeListener.bind(self); self.onMessage = self.onMessage.bind(self); if (require.nameToUrl && !require.toUrl) require.toUrl = require.nameToUrl; - - var workerUrl; + + if ( !workerUrl ) + { if (config.get("packaged") || !require.toUrl) { - workerUrl = config.moduleUrl(mod, "worker"); + workerUrl = workerUrl || config.moduleUrl(mod, "worker"); } else { var normalizePath = self.$normalizePath; - workerUrl = normalizePath(require.toUrl("ace/worker/worker.js", null, "_")); + workerUrl = workerUrl || normalizePath(require.toUrl("ace/worker/worker.js", null, "_")); var tlns = {}; topLevelNamespaces.forEach(function(ns) { tlns[ns] = normalizePath(require.toUrl(ns, null, "_").replace(/(\.js)?(\?.*)?$/, "")); }); } - - self.$worker = new Worker( workerUrl ); - + } + + try { + self.$worker = new Worker(workerUrl); + } catch(e) { + if (e instanceof window.DOMException) { + var blob = self.$workerBlob(workerUrl); + var URL = window.URL || window.webkitURL; + var blobURL = URL.createObjectURL(blob); + + self.$worker = new Worker(blobURL); + URL.revokeObjectURL(blobURL); + } else { + throw e; + } + } + self.$worker.postMessage({ load: true, - ace_worker_base: this_path.base + '/' + config.moduleUrl("ace/worker/json") + // browser caches worker source file, even with reset/reload, try to not cache + // https://github.com/ajaxorg/ace/issues/2730 + ace_worker_base: this_path.base + '/' + config.moduleUrl("ace/worker/json") + NOCACHE }); self.$worker.postMessage({ init : true, - tlns: tlns, - module: mod, - classname: classname + tlns : tlns, + module : mod, + classname : classname }); self.callbackId = 1; @@ -621,145 +419,129 @@ function get_mode( grammar, DEFAULT, ace ) self.$worker.onmessage = self.onMessage; } }) - // adapted from ace directly - ,FoldMode = ace.require("ace/mode/folding/fold_mode").FoldMode + ,FoldMode = ace.require('ace/mode/folding/fold_mode').FoldMode ,AceFold = Class(FoldMode, { constructor: function( $folder ) { var self = this; FoldMode.call( self ); self.$findFold = $folder; + self.$lastFold = null; } ,getFoldWidget: function( session, foldStyle, row ) { - var self = this, fold = self.$findFold( session, foldStyle, row ); - if ( fold ) - { - if ( "markbeginend" === foldStyle && fold.end ) return "end"; - else return "start"; - } - return ""; + var fold = this.$lastFold = this.$findFold( session, foldStyle, row ); + // cache the fold to be re-used in getFoldWidgetRange + // it is supposed that getFoldWidgetRange is called after getFoldWidget succeeds + // on same row and with same style, so same fold should be re-used for efficiency + return fold + ? ("markbeginend" === foldStyle && fold.end ? "end" : "start") + : ""; } ,getFoldWidgetRange: function( session, foldStyle, row, forceMultiline ) { - var fold = this.$findFold( session, foldStyle, row ); + // cache the fold to be re-used in getFoldWidgetRange + // it is supposed that getFoldWidgetRange is called after getFoldWidget succeeds + // on same row and with same style, so same fold should be re-used for efficiency + var fold = this.$lastFold;// this.$findFold( session, foldStyle, row ); if ( fold ) return new Range(fold[0], fold[1], fold[2], fold[3]); } }) - ; - - // ACE-compatible Mode - ace_mode = { - $id: uuid("ace_grammar_mode") - ,$parser: new AceGrammar.Parser( parse_grammar( grammar ), DEFAULT ) - - /* - // maybe needed in later versions..? - ,createModeDelegates: function (mapping) { } - ,$delegator: function(method, args, defaultHandler) { } - ,HighlightRules: null - ,$behaviour: parser.$behaviour || null - ,lineCommentStart: parser.LC - ,blockComment: parser.BC - ,$getIndent: function(line) { return parser.indent(line); } - ,$createKeywordList: function() { return parser.$createKeywordList(); } - */ - - ,getTokenizer: function( ) { - return ace_mode.$parser; - } - - ,toggleCommentLines: function( state, session, startRow, endRow ) { - return ace_mode.$parser.tCL( state, session, startRow, endRow ); - } - ,toggleBlockComment: function( state, session, range, cursor ) { - return ace_mode.$parser.tCB( state, session, range, cursor, TokenIterator, Range ); + ,Mode = ace.require('ace/mode/text').Mode + ,AceMode = Class(Mode, { + constructor: function AceMode( ) { + var self = this; + Mode.call( self ); + self.$id = AceMode.$id; + self.$tokenizer = AceMode.$parser; + // comment-toggle functionality + self.lineCommentStart = AceMode.$parser.LC; + self.blockComment = AceMode.$parser.BC; + // custom, user-defined, code folding generated from grammar + self.foldingRules = new AceFold( self.folder.bind( self ) ); } - ,transformAction: function( state, action, editor, session, param ) { } - - ,getNextLineIndent: function( state, line, tab ) { - return ace_mode.$parser.indent( state, line, tab ); - } - ,checkOutdent: function( state, line, input ) { - return false; - } - ,autoOutdent: function( state, doc, row ) { } - - // custom, user-defined, code folding generated from grammar - ,supportCodeFolding: true - ,$folder: function folder( session, foldStyle, row ) { - var fold, min_row, current_row, folder; - if ( ace_mode.supportCodeFolding && ace_mode.$parser ) - { - folder = ace_mode.$parser; - - if ( "markbeginend" === foldStyle ) - { - current_row = row; min_row = MAX(0, row-500); // check up to 500 rows up - fold = folder.fold( session, row, ace ); - if ( fold ) - { - fold.start = true; fold.end = false; - return fold; - } - // try to find if any block ends on this row, backwards - // TODO, maybe a bit slower, than direct backwards search - while ( row > min_row && (!fold || current_row !== fold[2]) ) fold = folder.fold( session, --row, ace ); - if ( fold && current_row === fold[2] ) - { - fold.start = false; fold.end = true; - return fold; // found end of fold, return end marker - } - } - - else if ( fold = folder.fold( session, row, ace ) ) - { - fold.start = true; fold.end = false; - return fold; - } - } - } - ,foldingRules: null /* added below */ // custom, user-defined, syntax lint-like validation/annotations generated from grammar ,supportGrammarAnnotations: false ,createWorker: function( session ) { - if ( !ace_mode.supportGrammarAnnotations ) + if ( !this.supportGrammarAnnotations ) { - clear_annotations( session, ace_mode.$id+'$markers' ); + clear_annotations( session, AceMode.$markers ); return null; } // add this worker as an ace custom module - ace.config.setModuleUrl("ace/grammar_worker", this_path.file); - var worker = new AceWorker(['ace'], "ace/grammar_worker", 'AceGrammarWorker'); + //ace.config.setModuleUrl("ace/grammar_worker", this_path.file + NOCACHE); + var worker = new AceWorker(['ace'], "ace/grammar_worker", 'AceGrammarWorker', this_path.file + NOCACHE); worker.attachToDocument( session.getDocument( ) ); // create a worker for this grammar worker.call('init_parser', [grammar_copy], function( ){ // hook worker to enable error annotations worker.on("ace_grammar_worker_error", function( e ) { var errors = e.data; - update_annotations( session, errors, ace_mode.$id+'$markers', Range ) + update_annotations( session, errors, AceMode.$markers, Range ) }); worker.on("ace_grammar_worker_ok", function() { - clear_annotations( session, ace_mode.$id+'$markers' ); + clear_annotations( session, AceMode.$markers ); }); }); + worker.on("terminate", function() { + clear_annotations( session, AceMode.$markers ); + }); return worker; } + + // custom, user-defined, code folding generated from grammar + ,supportCodeFolding: true + ,folder: function folder( session, foldStyle, row ) { + return !this.supportCodeFolding + ? null + : AceMode.$folder( session, foldStyle, row, folder.options||{} ); + } + // custom, user-defined, autocompletions generated from grammar ,supportAutoCompletion: true + ,autocompleter: function autocompleter( state, session, position, prefix ) { + return !this.supportAutoCompletion + ? [] + : AceMode.$autocompleter( state, session, position, prefix, autocompleter.options||{} ); + } + ,getKeywords: function( append ) { + return []; // use getCompletions + } ,getCompletions: function( state, session, position, prefix ) { - return ace_mode.supportAutoCompletion && ace_mode.$parser - ? ace_mode.$parser.autocomplete( state, session, position, prefix, options, ace ) - : []; + return this.autocompleter( state, session, position, prefix ); } ,dispose: function( ) { - if ( ace_mode.$parser ) ace_mode.$parser.dispose( ); - ace_mode.$parser = null; - ace_mode.foldingRules = ace_mode.$folder = null; + var self = this; + self.$tokenizer = self.foldingRules = self.autocompleter = null; + AceMode.dispose( ); } + }); + AceMode.$id = uuid("ace_grammar_mode"); + AceMode.$markers = AceMode.$id+'$markers'; + AceMode.$parser = new AceGrammar.Parser( parse_grammar( grammar ), DEFAULT ); + AceMode.$folder = function folder( session, foldStyle, row, options ) { + var min_row, current_row, folder = AceMode.$parser, + fold = folder.fold( session, row, ace ); + if ( "markbeginend" === foldStyle ) + { + if ( fold ) { fold.start = true; fold.end = false; return fold; } + current_row = row; min_row = MAX(0, row-200); // check up to 200 rows up for efficiency + // try to find if any block ends on this row, backwards + // TODO, maybe a bit slower, than direct backwards search + while ( row > min_row && (!fold || current_row !== fold[2]) ) fold = folder.fold( session, --row, ace ); + // found end of fold, return end marker + if ( fold && current_row === fold[2] ) { fold.start = false; fold.end = true; return fold; } + } + else if ( fold ) { fold.start = true; fold.end = false; return fold; } + }; + AceMode.$autocompleter = function autocompleter( state, session, position, prefix, options ) { + return AceMode.$parser.autocomplete( state, session, position, prefix, options, ace ); + }; + AceMode.dispose = function( ) { + if ( AceMode.$parser ) AceMode.$parser.dispose( ); + AceMode.$parser = AceMode.$folder = AceMode.$autocompleter = AceMode.autocompleter = null; }; - ace_mode.foldingRules = new AceFold( ace_mode.$folder ); - return ace_mode; + return new AceMode( ); // object } diff --git a/test/demo.js b/test/demo.js index b78d884..cca4828 100644 --- a/test/demo.js +++ b/test/demo.js @@ -12,6 +12,7 @@ function ace_grammar_demo(_editor, code, grammar) mode.supportGrammarAnnotations = true; // enable auto-completion mode.supportAutoCompletion = true; + mode.autocompleter.options = {prefixMatch:true, caseInsensitiveMatch:false}; // enable code-folding mode.supportCodeFolding = true; diff --git a/test/grammar-css.png b/test/grammar-css.png new file mode 100644 index 0000000..074a0b1 Binary files /dev/null and b/test/grammar-css.png differ diff --git a/test/grammar-js-recursion-2.png b/test/grammar-js-recursion-2.png index 63770b5..0028ddd 100644 Binary files a/test/grammar-js-recursion-2.png and b/test/grammar-js-recursion-2.png differ diff --git a/test/grammar-js-recursion.png b/test/grammar-js-recursion.png index 30e3539..b1bbaee 100644 Binary files a/test/grammar-js-recursion.png and b/test/grammar-js-recursion.png differ diff --git a/test/grammar-js.html b/test/grammar-js.html index e4805bd..0d8a014 100644 --- a/test/grammar-js.html +++ b/test/grammar-js.html @@ -7,6 +7,7 @@ + + + ACE: Dynamic Scheme Grammar Demo + + + +

ACE (v.0) Grammar (v.0): Dynamic Scheme Grammar

+ +

+
+        

+
+        
+    
+
diff --git a/test/grammar-scheme.png b/test/grammar-scheme.png
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diff --git a/test/grammar-xml.png b/test/grammar-xml.png
index b1d8d91..a795f8e 100644
Binary files a/test/grammar-xml.png and b/test/grammar-xml.png differ
diff --git a/test/grammars/javascript-recursion.js b/test/grammars/javascript-recursion.js
index 7706ad9..dd5ad33 100644
--- a/test/grammars/javascript-recursion.js
+++ b/test/grammars/javascript-recursion.js
@@ -56,13 +56,13 @@ var js_grammar = {
                                     ]
     ,"string:escaped-block"         : ["RE::/(['\"])/",   1]
     ,"regex:escaped-line-block"     : ["/",    "RE::#/[gimy]{0,4}#"]
-    ,"atom"                         : {"autocomplete":true,"meta":"JavaScript ATOM","tokens":[
+    ,"atom"                         : {"autocomplete":true,"meta":"JavaScript Atom","tokens":[
                                     "this",
                                     "true", "false", 
                                     "null", "undefined", 
                                     "NaN", "Infinity"
                                     ]}
-    ,"keyword"                      : {"autocomplete":true,"meta":"JavaScript KEYWORD","tokens":[ 
+    ,"keyword"                      : {"autocomplete":true,"meta":"JavaScript Keyword","tokens":[ 
                                     "if", "while", "with", "else", "do", "try", "finally",
                                     "return", "break", "continue", "new", "delete", "throw",
                                     "var", "const", "let", "function", "catch",
diff --git a/test/grammars/scheme.js b/test/grammars/scheme.js
new file mode 100644
index 0000000..aa359ac
--- /dev/null
+++ b/test/grammars/scheme.js
@@ -0,0 +1,85 @@
+// 1. a partial scheme grammar in simple JSON format
+// https://people.csail.mit.edu/jaffer/r5rs_9.html
+var scheme_grammar = {
+    
+// prefix ID for regular expressions used in the grammar
+"RegExpID"                      : "RE::",
+
+"Extra"                         : {
+    
+    "fold"                      : "indent"
+    
+},
+    
+// Style model
+"Style"                         : {
+
+     "comment"                  : "comment"
+    ,"keyword"                  : "keyword"
+    ,"expression_keyword"       : "keyword"
+    ,"identifier"               : "identifier"
+    ,"peculiar_identifier"      : "identifier"
+    ,"number"                   : "constant.numeric"
+    ,"boolean"                  : "constant.support"
+    ,"string"                   : "string"
+
+},
+
+// Lexical model
+"Lex"                           : {
+    
+     "comment:comment"          : {"interleave":true,"tokens":[[";", null],["#|", "|#"]]}
+    ,"string:escaped-block"     : [ "\"" ]
+    ,"identifier"               : "RE::/[a-z!$%&*\\/:<=>?\\^_~][0-9a-z!$%&*\\/:<=>?\\^_~+\\-.@]*/i"
+    ,"peculiar_identifier"      : "RE::/\\.\\.\\.|\\+|-/"
+    ,"number"                   : [
+                                "RE::/^(?:[-+]i|[-+][01]+#*(?:\\/[01]+#*)?i|[-+]?[01]+#*(?:\\/[01]+#*)?@[-+]?[01]+#*(?:\\/[01]+#*)?|[-+]?[01]+#*(?:\\/[01]+#*)?[-+](?:[01]+#*(?:\\/[01]+#*)?)?i|[-+]?[01]+#*(?:\\/[01]+#*)?)(?=[()\\s;\"]|$)/i",
+                                "RE::/^(?:[-+]i|[-+][0-7]+#*(?:\\/[0-7]+#*)?i|[-+]?[0-7]+#*(?:\\/[0-7]+#*)?@[-+]?[0-7]+#*(?:\\/[0-7]+#*)?|[-+]?[0-7]+#*(?:\\/[0-7]+#*)?[-+](?:[0-7]+#*(?:\\/[0-7]+#*)?)?i|[-+]?[0-7]+#*(?:\\/[0-7]+#*)?)(?=[()\\s;\"]|$)/i",
+                                "RE::/^(?:[-+]i|[-+][\\da-f]+#*(?:\\/[\\da-f]+#*)?i|[-+]?[\\da-f]+#*(?:\\/[\da-f]+#*)?@[-+]?[\\da-f]+#*(?:\\/[\\da-f]+#*)?|[-+]?[\\da-f]+#*(?:\\/[\\da-f]+#*)?[-+](?:[\\da-f]+#*(?:\\/[\da-f]+#*)?)?i|[-+]?[\\da-f]+#*(?:\\/[\\da-f]+#*)?)(?=[()\\s;\"]|$)/i",
+                                "RE::/^(?:[-+]i|[-+](?:(?:(?:\\d+#+\\.?#*|\\d+\\.\\d*#*|\\.\\d+#*|\\d+)(?:[esfdl][-+]?\\d+)?)|\\d+#*\\/\\d+#*)i|[-+]?(?:(?:(?:\\d+#+\\.?#*|\\d+\\.\\d*#*|\\.\\d+#*|\\d+)(?:[esfdl][-+]?\\d+)?)|\\d+#*\\/\\d+#*)@[-+]?(?:(?:(?:\\d+#+\\.?#*|\\d+\\.\\d*#*|\\.\\d+#*|\\d+)(?:[esfdl][-+]?\\d+)?)|\\d+#*\\/\\d+#*)|[-+]?(?:(?:(?:\\d+#+\\.?#*|\\d+\\.\\d*#*|\\.\\d+#*|\\d+)(?:[esfdl][-+]?\\d+)?)|\\d+#*\\/\\d+#*)[-+](?:(?:(?:\\d+#+\\.?#*|\\d+\\.\\d*#*|\\.\\d+#*|\\d+)(?:[esfdl][-+]?\\d+)?)|\\d+#*\\/\\d+#*)?i|(?:(?:(?:\\d+#+\\.?#*|\\d+\\.\\d*#*|\\.\\d+#*|\\d+)(?:[esfdl][-+]?\\d+)?)|\\d+#*\\/\\d+#*))(?=[()\\s;\"]|$)/i"
+                                ]
+    ,"boolean"                  : {"autocomplete":true,"tokens":["#t", "#f"]}
+    ,"expression_keyword"       : {"autocomplete":true,"tokens":[
+                                "lambda", "if",
+                                "set!", "begin", "cond", "and", "or", "case",
+                                "let", "let*", "letrec", "do", "delay"
+                                ]}
+    ,"keyword"                  : {"autocomplete":true,"tokens":[
+                                "case-lambda", "call/cc", "class", "define-class", "exit-handler", 
+                                "field", "import", "inherit", "init-field", "interface", "let*-values", "let-values", "let/ec", "mixin", "opt-lambda", 
+                                "override", "protect", "provide", "public", "rename", "require", "require-for-syntax", "syntax", "syntax-case", 
+                                "syntax-error", "unit/sig", "unless", "when", "with-syntax", "and", "begin", "call-with-current-continuation", 
+                                "call-with-input-file", "call-with-output-file", "case", "cond", "define", "define-syntax", "delay", "do", 
+                                "dynamic-wind", "else", "for-each", "if", "lambda", "let", "let*", "let-syntax", "letrec", "letrec-syntax", "map", 
+                                "or", "syntax-rules", "abs", "acos", "angle", "append", "apply", "asin", "assoc", "assq", "assv", "atan", "boolean?", 
+                                "caar", "cadr", "call-with-input-file", "call-with-output-file", "call-with-values", "car", "cdddar", "cddddr", 
+                                "cdr", "ceiling", "char->integer", "char-alphabetic?", "char-ci<=?", "char-ci=?", "char-ci>?", 
+                                "char-downcase", "char-lower-case?", "char-numeric?", "char-ready?", "char-upcase", "char-upper-case?", "char-whitespace?", 
+                                "char<=?", "char=?", "char>?", "char?", "close-input-port", "close-output-port", "complex?", "cons", 
+                                "cos", "current-input-port", "current-output-port", "denominator", "display", "eof-object?", "eq?", "equal?", "eqv?", "eval", 
+                                "even?", "exact->inexact", "exact?", "exp", "expt", "floor", "force", "gcd", "imag-part", "inexact->exact", "inexact?", 
+                                "input-port?", "integer->char", "integer?", "interaction-environment", "lcm", "length", "list", "list->string", "list->vector", 
+                                "list-ref", "list-tail", "list?", "load", "log", "magnitude", "make-polar", "make-rectangular", "make-string", "make-vector", 
+                                "max", "member", "memq", "memv", "min", "modulo", "negative?", "newline", "not", "null-environment", "null?", "number->string", "number?", 
+                                "numerator", "odd?", "open-input-file", "open-output-file", "output-port?", "pair?", "peek-char", "port?", "positive?", "procedure?", 
+                                "quasiquote", "quote", "quotient", "rational?", "rationalize", "read", "read-char", "real-part", "real?", "remainder", "reverse", "round", "r-cdr", "f-cons",
+                                "scheme-report-environment", "set!", "set-car!", "set-cdr!", "sin", "sqrt", "string", "string->list", "string->number", "string->symbol", 
+                                "string-append", "string-ci<=?", "string-ci=?", "string-ci>?", "string-copy", "string-fill!", "string-length", 
+                                "string-ref", "string-set!", "string<=?", "string=?", "string>?", "string?", "substring", "symbol->string", 
+                                "symbol?", "tan", "transcript-off", "transcript-on", "truncate", "values", "vector", "vector->list", "vector-fill!", "vector-length", 
+                                "vector-ref", "vector-set!", "with-input-from-file", "with-output-to-file", "write", "write-char", "zero?"
+                                ]}
+    
+},
+
+// Syntax model (optional)
+"Syntax"                        : {
+    
+    "token"                     : "boolean | number | string | keyword | identifier | peculiar_identifier"
+    
+},
+    
+// what to parse and in what order
+"Parser"                        : [ "comment", [ "token" ] ]
+
+};