In this exercise students will learn how to use @Vex annotation from the koan-annotation framework
517059
@Koan @Vex
    public void provideTheStartingProblemForCalculatingAFibonacciNumberUsingALoop(){

        int seventhFibonacciNumber = 0;

        /* (@_@) */
        int previous1 = 1;
        int previous2 = 1;
        int currentFibonacci = 1;

        for(int i= 3; i<= 7; i++){


        }

        seventhFibonacciNumber = currentFibonacci;
        /* (^_^) */

        assertThat(seventhFibonacciNumber, is(13));
    }
1250239
def visitAnnotation(self, ctx: ShExDocParser.AnnotationContext):
        
        # Annotations apply to the expression, NOT the shape (!)
        annot = Annotation(self.context.predicate_to_IRI(ctx.predicate()))
        if ctx.iri():
            annot.object = self.context.iri_to_iriref(ctx.iri())
        else:
            annot.object = self.context.literal_to_ObjectLiteral(ctx.literal())
        self.annotations.append(annot)
1147733
function makeLexer() {
  const mooLexer = moo.compile(tokens);

  return {
    current: null,
    lines: [],
    get line() {
      return mooLexer.line;
    },
    get col() {
      return mooLexer.col;
    },
    save() {
      return mooLexer.save();
    },
    reset(chunk, info) {
      this.lines = chunk.split('\n');
      return mooLexer.reset(chunk, info);
    },
    next() {
      // It's a cruel and unusual punishment to implement comments with nearly
      let token = mooLexer.next();
      // Drop all comment tokens found
      while (token && token.type === 'comment') {
        token = mooLexer.next();
      }
      this.current = token;
      return this.current;
    },
    formatError(token) {
      return mooLexer.formatError(token);
    },
    has(name) {
      return mooLexer.has(name);
    },
  };
}
1349322
@Override
    public void collate(VariantGraph graph, List<? extends Iterable<Token>> witnesses) {
        // phase 1: matching phase
        if (LOG.isLoggable(Level.FINE)) {
            LOG.fine("Building token index from the tokens of all witnesses");
        }

        this.tokenIndex = new TokenIndex(comparator, witnesses);
        tokenIndex.prepare();

        // phase 2: alignment phase
        this.vertex_array = new VariantGraph.Vertex[tokenIndex.token_array.length];
        boolean firstWitness = true;

        for (Iterable<Token> tokens : witnesses) {
            final Witness witness = StreamUtil.stream(tokens)
                    .findFirst()
                    .map(Token::getWitness)
                    .orElseThrow(() -> new IllegalArgumentException("Empty witness"));

            // first witness has a fast path
            if (firstWitness) {
                super.merge(graph, tokens, Collections.emptyMap());
                updateTokenToVertexArray(tokens, witness);
                firstWitness = false;
                continue;
            }

            // align second, third, fourth witness etc.
            if (LOG.isLoggable(Level.FINER)) {
                LOG.log(Level.FINER, "{0} + {1}: {2} vs. {3}", new Object[]{graph, witness, graph.vertices(), tokens});
            }

            // Phase 2a: Gather matches from the token index
            if (LOG.isLoggable(Level.FINE)) {
                LOG.log(Level.FINE, "{0} + {1}: Gather matches between variant graph and witness from token index", new Object[]{graph, witness});
            }

            allPossibleIslands = TokenIndexToMatches.createMatches(tokenIndex, vertex_array, graph, tokens);

            if (LOG.isLoggable(Level.FINE)) {
                LOG.log(Level.FINE, "{0} + {1}: Aligning witness and graph", new Object[]{graph, witness});
            }

            // Phase 2b: do the actual alignment
            IslandConflictResolver resolver = new IslandConflictResolver(new IslandCollection(allPossibleIslands));
            preferredIslands = resolver.createNonConflictingVersion().getIslands();

            // we need to convert the islands into Map<Token, Vertex> for further processing
            Map<Token, VariantGraph.Vertex> alignments = new HashMap<>();
            for (Island island : preferredIslands) {
                for (Coordinate c : island) {
                    alignments.put(c.match.token, c.match.vertex);
                }
            }

            if (LOG.isLoggable(Level.FINER)) {
                for (Map.Entry<Token, VariantGraph.Vertex> tokenLink : alignments.entrySet()) {
                    LOG.log(Level.FINER, "{0} + {1}: Aligned token (incl transposed): {2} = {3}", new Object[]{graph, witness, tokenLink.getValue(), tokenLink.getKey()});
                }
            }

            if (LOG.isLoggable(Level.FINE)) {
                LOG.log(Level.FINE, "{0} + {1}: Detect phrase matches", new Object[]{graph, witness});
            }

            // Phase 2c: detect phrases and transpositions
            phraseMatches = phraseMatchDetector.detect(alignments, graph, tokens);

            if (LOG.isLoggable(Level.FINER)) {
                for (List<Match> phraseMatch : phraseMatches) {
                    LOG.log(Level.FINER, "{0} + {1}: Phrase match: {2}", new Object[]{graph, witness, phraseMatch});
                }
            }

            if (LOG.isLoggable(Level.FINE)) {
                LOG.log(Level.FINE, "{0} + {1}: Detect transpositions", new Object[]{graph, witness});
            }

            transpositions = transpositionDetector.detect(phraseMatches, graph);

            if (LOG.isLoggable(Level.FINE)) {
                LOG.log(Level.FINE, "transpositions:{0}", transpositions);
            }

            if (LOG.isLoggable(Level.FINER)) {
                for (List<Match> transposition : transpositions) {
                    LOG.log(Level.FINER, "{0} + {1}: Transposition: {2}", new Object[]{graph, witness, transposition});
                }
            }

            if (LOG.isLoggable(Level.FINE)) {
                LOG.log(Level.FINE, "{0} + {1}: Determine aligned tokens by filtering transpositions", new Object[]{graph, witness});
            }

            // Filter out transposed tokens from aligned tokens
            for (List<Match> transposedPhrase : transpositions) {
                for (Match match : transposedPhrase) {
                    alignments.remove(match.token);
                }
            }

            if (LOG.isLoggable(Level.FINER)) {
                for (Map.Entry<Token, VariantGraph.Vertex> alignment : alignments.entrySet()) {
                    LOG.log(Level.FINER, "{0} + {1}: Alignment: {2} = {3}", new Object[]{graph, witness, alignment.getValue(), alignment.getKey()});
                }
            }

            // Phase 2d: and merge
            merge(graph, tokens, alignments);

            // we filter out small transposed phrases over large distances
            List<List<Match>> falseTranspositions = new ArrayList<>();

            // rank the variant graph
            VariantGraphRanking ranking = VariantGraphRanking.of(graph);

            for (List<Match> transposedPhrase : transpositions) {
                Match match = transposedPhrase.get(0);
                VariantGraph.Vertex v1 = witnessTokenVertices.get(match.token);
                VariantGraph.Vertex v2 = match.vertex;
                int distance = Math.abs(ranking.apply(v1) - ranking.apply(v2)) - 1;
                if (distance > transposedPhrase.size() * 3) {
                    falseTranspositions.add(transposedPhrase);
                }
            }

            transpositions.removeAll(falseTranspositions);

            // merge transpositions
            if (mergeTranspositions) {
                mergeTranspositions(graph, transpositions);
            }

            updateTokenToVertexArray(tokens, witness);

            if (LOG.isLoggable(Level.FINER)) {
                LOG.log(Level.FINER, "!{0}: {1}", new Object[]{graph, StreamUtil.stream(graph.vertices()).map(Object::toString).collect(Collectors.joining(", "))});
            }
        }
    }
229339
def prepare_tokens(ctx, input, annotations, tout, lout):
    """"""
    click.echo('chemdataextractor.chemdner.prepare_tokens')
    # Collect the annotations into a dict
    anndict = defaultdict(list)
    for line in annotations:
        pmid, ta, start, end, text, category = line.strip().split('\t')
        anndict[(pmid, ta)].append((int(start), int(end), text))
    # Process the corpus
    for line in input:
        pmid, title, abstract = line.strip().split(u'\t')
        for t, section, anns in [(Title(title), 'T', anndict.get((pmid, u'T'), [])), (Paragraph(abstract), u'A', anndict.get((pmid, u'A'), []))]:
            # Write our tokens with POS and IOB tags
            tagged = _prep_tags(t, anns)
            for i, sentence in enumerate(tagged):
                tout.write(u' '.join([u'/'.join([token, tag, label]) for token, tag, label in sentence]))
                lout.write(u' '.join([u'/'.join([token, label]) for token, tag, label in sentence]))
                tout.write(u'\n')
                lout.write(u'\n')
            tout.write(u'\n')
            lout.write(u'\n')
431528
private static void collectDecorators(List<DecoratorAndOrder> list, List<Annotation> annotations) {
        if (annotations.isEmpty()) {
            return;
        }

        // Respect the order of decorators which is specified by a user. The first one is first applied
        // for most of the cases. But if @Decorator and user-defined decorators are specified in a mixed order,
        // the specified order and the applied order can be different. To overcome this problem, we introduce
        // "order" attribute to @Decorator annotation to sort decorators. If a user-defined decorator
        // annotation has "order" attribute, it will be also used for sorting.
        for (final Annotation annotation : annotations) {
            if (annotation instanceof Decorator) {
                final Decorator d = (Decorator) annotation;
                list.add(new DecoratorAndOrder(d, newDecorator(d), d.order()));
                continue;
            }

            if (annotation instanceof Decorators) {
                final Decorator[] decorators = ((Decorators) annotation).value();
                for (final Decorator d : decorators) {
                    list.add(new DecoratorAndOrder(d, newDecorator(d), d.order()));
                }
                continue;
            }

            DecoratorAndOrder udd = userDefinedDecorator(annotation);
            if (udd != null) {
                list.add(udd);
                continue;
            }

            // If user-defined decorators are repeatable and they are specified more than once.
            try {
                final Method method = Iterables.getFirst(getMethods(annotation.annotationType(),
                                                                    withName("value")), null);
                assert method != null : "No 'value' method is found from " + annotation;
                final Annotation[] decorators = (Annotation[]) method.invoke(annotation);
                for (final Annotation decorator : decorators) {
                    udd = userDefinedDecorator(decorator);
                    if (udd == null) {
                        break;
                    }
                    list.add(udd);
                }
            } catch (Throwable ignore) {
                // The annotation may be a container of a decorator or may be not, so we just ignore
                // any exception from this clause.
            }
        }
    }
219339
function(mAnnotations, mEventTarget, mMetrics) {

	/*
	 * Throughout textStyler "block" refers to a potentially multi-line token.
	 * Typical examples are multi-line comments and multi-line strings.
	 */

	var binarySearch = function(array, offset, inclusive, low, high) {
		var index;
		if (low === undefined) { low = -1; }
		if (high === undefined) { high = array.length; }
		while (high - low > 1) {
			index = Math.floor((high + low) / 2);
			if (offset <= array[index].start) {
				high = index;
			} else if (inclusive && offset < array[index].end) {
				high = index;
				break;
			} else {
				low = index;
			}
		}
		return high;
	};
	
	function copy(object) {
		return JSON.parse(JSON.stringify(object));
	}

	var createPatternBasedAdapter = function(grammars, rootIds, contentType) {
		return new PatternBasedAdapter(grammars, rootIds, contentType);
	};

	function PatternBasedAdapter(grammars, rootIds, contentType) {
		this._patternManager = new PatternManager(grammars, rootIds);
		this._contentType = contentType;
	}
	PatternBasedAdapter.prototype = {
		blockSpansBeyondEnd: function(block) {
			return block.pattern.regexEnd === this._eolRegex;
		},
		computeBlocks: function(model, text, block, offset, startIndex, endIndex, maxBlockCount) {
			if (!text) {
				return [];
			}

			var results = [];
			var matches = [];
			var result;
			startIndex = startIndex || 0;
			endIndex = endIndex || Infinity;
			maxBlockCount = maxBlockCount || Infinity;
			block.blockPatterns.forEach(function(current) {
				result = this._findMatch(current.regexBegin || current.regex, text, startIndex);
				if (result) {
					matches.push({result: result, pattern: current});
				}
			}.bind(this));
			if (!matches.length) {
				return results;
			}
			matches.sort(function(a,b) {
				if (a.result.index < b.result.index) {
					return -1;
				}
				if (a.result.index > b.result.index) {
					return 1;
				}
				return a.pattern.pattern.index < b.pattern.pattern.index ? -1 : 1;
			});

			var index = 0;
			while (matches.length > 0) {
				var current = matches[0];
				matches.splice(0,1);

				if (endIndex < current.result.index) {
					break;
				}

				if (current.result.index < index) {
					/* processing of another match has moved index beyond this match */
					this._updateMatch(current, text, matches, index, endIndex);
					continue;
				}

				var start = offset + current.result.index;
				var contentStart = current.result.index;
				var resultEnd = null;

				var endRegex = current.pattern.regexEnd;
				if (!endRegex) {
					resultEnd = this.createBlock(
						{
							start: start,
							end: start + current.result[0].length,
							contentStart: start,
							contentEnd: start + current.result[0].length
						},
						block.styler,
						model,
						block,
						current.pattern);
				} else {
					contentStart += current.result[0].length;
					var testPattern = current.pattern;
					/*
					 * If the end regex contains a capture reference (eg.- "\1") then substitute
					 * the resolved capture values from the begin match.
					 */
					var resolvedEndRegex = this._substituteCaptureValues(endRegex, current.result);
					if (resolvedEndRegex !== endRegex) {
						/*
						 * A substitution was made, so make a copy of the test pattern and set its
						 * end regex to the resolved one.  This will cause end-match detection to be
						 * performed with this concrete end regex value, but the original pattern
						 * definition containing the capture reference will not be affected.
						 */
						testPattern = {
							pattern: testPattern.pattern,
							regexBegin: testPattern.regexBegin,
							regexEnd: resolvedEndRegex
						};
						endRegex = resolvedEndRegex;
					}

					var lastIndex = contentStart;
					while (!resultEnd) {
						result = this._findMatch(endRegex, text, lastIndex);
						if (!result) {
							this._eolRegex.lastIndex = 0;
							result = this._eolRegex.exec(text);
							testPattern = {
								pattern: testPattern.pattern,
								regexBegin: testPattern.regexBegin,
								regexEnd: this._eolRegex
							};
						}
						var testBlock = this.createBlock(
							{
								start: start,
								end: offset + result.index + result[0].length,
								contentStart: offset + contentStart,
								contentEnd: offset + result.index
							},
							block.styler,
							model,
							block,
							testPattern);
						var subBlocks = testBlock.getBlocks();
						if (!subBlocks.length || subBlocks[subBlocks.length - 1].end <= (result.index + offset)) {
							resultEnd = testBlock;
						}
						lastIndex = result.index + result[0].length;
					}
				}
				results.push(resultEnd);
				if (results.length === maxBlockCount || endIndex <= resultEnd.end) {
					break;
				}
				index = resultEnd.end - offset;
				this._updateMatch(current, text, matches, index, endIndex);
			}
			return results;
		},
		computeStyle: function(block, model, offset) {
			if (!block.pattern) {
				return null;
			}

			var fullBlock = {
				start: block.start,
				end: block.end,
				style: block.pattern.pattern.name
			};
			if (block.contentStart <= offset && offset < block.contentEnd) {
				if (block.pattern.pattern.contentName) {
					return {
						start: block.contentStart,
						end: block.contentEnd,
						style: block.pattern.pattern.contentName
					};
				}
				return fullBlock;
			}

			var regex, captures, testString, index;
			if (offset < block.contentStart) {
				captures = block.pattern.pattern.beginCaptures || block.pattern.pattern.captures;
				if (!captures) {
					return fullBlock;
				}
				regex = block.pattern.regexBegin;
				testString = model.getText(block.start, block.contentStart);
				index = block.start;
			} else {
				captures = block.pattern.pattern.endCaptures || block.pattern.pattern.captures;
				if (!captures) {
					return fullBlock;
				}
				regex = block.pattern.regexEnd;
				testString = model.getText(block.contentEnd, block.end);
				index = block.contentEnd;
			}

			regex.lastIndex = 0;
			var result = regex.exec(testString);
			if (result) {
				var styles = [];
				this._getCaptureStyles(result, captures, index, styles);
				var style = styles[binarySearch(styles, offset, true)];
				if (style && style.start <= offset && offset < style.end) {
					return style;
				}
			}
			return fullBlock;
		},
		createBlock: function(bounds, styler, model, parent, data) {
			/* for pattern-based matching data is a pattern */
			return new Block(
				bounds,
				data ? data.pattern.name : null,
				data ? data.pattern.id : null,
				styler,
				model,
				parent,
				function(newBlock) {
					newBlock.pattern = data;
					newBlock.linePatterns = [];
					newBlock.blockPatterns = [];
					newBlock.enclosurePatterns = {};
					this._initPatterns(this._patternManager, newBlock);
				}.bind(this));
		},
		destroy: function() {
			this._textModel.removeEventListener("Changed", this._listener); //$NON-NLS-0$
		},
		getBlockCommentDelimiters: function(index) {
			var languageBlock = this._getLanguageBlock(index);
			var blockPatterns = languageBlock.blockPatterns;
			if (blockPatterns) {
				var COMMENT_BLOCK = "comment.block"; //$NON-NLS-0$
				for (var i = 0; i < blockPatterns.length; i++) {
					var current = blockPatterns[i].pattern;
					var name = current.name || current.contentName;
					if (name && name.indexOf(COMMENT_BLOCK) !== -1) {
						if (current.begin && current.end && current.begin.literal && current.end.literal) {
							return [current.begin.literal, current.end.literal];
						}
					}
				}
			}
			return ["", ""];
		},
		getBlockContentStyleName: function(block) {
			return block.pattern.pattern.contentName || block.pattern.pattern.name;
		},
		getBlockEndStyle: function(block, text, endIndex, _styles) {
			/* pattern-defined blocks specify an end style by either a capture or name */
			var result;
			if (block.pattern.regexEnd) {
				result = this._findMatch(block.pattern.regexEnd, text, 0);
				if (result) {
					/* the end match is still valid */
					var captures = block.pattern.pattern.endCaptures || block.pattern.pattern.captures;
					if (captures) {
						this._getCaptureStyles(result, captures, endIndex - result[0].length, _styles);
					} else if (block.pattern.pattern.name) {
						_styles.push({start: endIndex - result[0].length, end: endIndex, style: block.pattern.pattern.name});
					}
				}
			}
			return result ? result[0] : null;
		},
		getBlockFoldBounds: function(block, model) {
			return {start: block.start, end: block.end};
		},
		getBlockOverrideStyles: function(block, text, index, _styles) {
			/* if the block's pattern is a single-line regex with capture(s) then compute the styles for the capture(s) */
			if (block.pattern.regex && block.pattern.pattern.captures && this._containsCaptureRegex.test(block.pattern.regex)) {
				var match = this._findMatch(block.pattern.regex, text, 0);
				if (match) {
					this._getCaptureStyles(match, block.pattern.pattern.captures, index, _styles);
				}
			}
		},
		getBlockStartStyle: function(block, text, index, _styles) {
			/* pattern-defined blocks specify a start style by either a capture or name */
			var result;
			if (block.pattern.regexBegin) {
				result = this._findMatch(block.pattern.regexBegin, text, 0);
				if (result) {
					/* the begin match is still valid */
					var captures = block.pattern.pattern.beginCaptures || block.pattern.pattern.captures;
					if (captures) {
						this._getCaptureStyles(result, captures, index, _styles);
					} else {
						_styles.push({start: index, end: index + result[0].length, style: block.pattern.pattern.name});
					}
				}
			}
			return result ? result[0] : null;
		},
		getBracketMatch: function(block, text) {
			var match;
			var keys = Object.keys(block.enclosurePatterns);
			for (var i = 0; i < keys.length; i++) {
				var current = block.enclosurePatterns[keys[i]];
				var result = this._findMatch(current.regex, text, 0);
				if (result && result.index === 0) {
					match = current;
					break;
				}
			}
			if (!match) { return null; }

			var closingName;
			var atStart = false;
			if (match.pattern.name.indexOf(this._PUNCTUATION_SECTION_BEGIN) !== -1) {
				atStart = true;
				closingName = match.pattern.name.replace(this._PUNCTUATION_SECTION_BEGIN, this._PUNCTUATION_SECTION_END);
			} else {
				closingName = match.pattern.name.replace(this._PUNCTUATION_SECTION_END, this._PUNCTUATION_SECTION_BEGIN);
			}
			var closingBracket = block.enclosurePatterns[closingName];
			if (!closingBracket) { return null; }

			return {
				beginName: match.pattern.name,
				endName: closingName,
				atStart: atStart
			};
		},
		getContentType: function() {
			return this._contentType;
		},
		getLineCommentDelimiter: function(index) {
			var COMMENT_LINE = "comment.line"; //$NON-NLS-0$
			var languageBlock = this._getLanguageBlock(index);
			var linePatterns = languageBlock.linePatterns;
			if (linePatterns) {
				for (var i = 0; i < linePatterns.length; i++) {
					var current = linePatterns[i].pattern;
					var name = current.name;
					if (name && name.indexOf(COMMENT_LINE) !== -1) {
						if (current.match && current.match.literal) {
							return current.match.literal;
						}
					}
				}
			}
			var blockPatterns = languageBlock.blockPatterns;
			if (blockPatterns) {
				for (i = 0; i < blockPatterns.length; i++) {
					current = blockPatterns[i].pattern;
					name = current.name || current.contentName;
					if (name && name.indexOf(COMMENT_LINE) !== -1) {
						if (current.begin && current.begin.literal) {
							return current.begin.literal;
						}
					}
				}
			}
			return "";
		},
		parse: function(text, offset, startIndex, block, _styles, ignoreCaptures) {
			if (!text) {
				return;
			}
			var patterns = block.linePatterns;
			if (!patterns) {
				return;
			}

			var matches = [];
			var result;
			patterns.forEach(function(current) {
				var regex = current.regex || current.regexBegin;
				regex.oldLastIndex = regex.lastIndex;
				result = this._findMatch(regex, text, startIndex);
				if (result) {
					matches.push({result: result, pattern: current});
				}
			}.bind(this));
			matches.sort(function(a,b) {
				if (a.result.index < b.result.index) {
					return -1;
				}
				if (a.result.index > b.result.index) {
					return 1;
				}
				return a.pattern.pattern.index < b.pattern.pattern.index ? -1 : 1;
			});

			var index = startIndex;
			while (matches.length > 0) {
				var current = matches[0];
				matches.splice(0,1);

				if (current.result.index < index) {
					/* processing of another match has moved index beyond this match */
					this._updateMatch(current, text, matches, index);
					continue;
				}

				/* apply the style */
				var start = current.result.index;
				var end;
				if (current.pattern.regex) {	/* line pattern defined by a "match" */
					var substyles = [];
					result = current.result;
					end = start + result[0].length;
					var tokenStyle = {start: offset + start, end: offset + end, style: current.pattern.pattern.name};
					if (!ignoreCaptures) {
						if (current.pattern.pattern.captures) {
							this._getCaptureStyles(result, current.pattern.pattern.captures, offset + start, substyles);
						}
						substyles.sort(function(a,b) {
							if (a.start < b.start) {
								return -1;
							}
							if (a.start > b.start) {
								return 1;
							}
							return 0;
						});
						for (var j = 0; j < substyles.length - 1; j++) {
							if (substyles[j + 1].start < substyles[j].end) {
								var newStyle = {start: substyles[j + 1].end, end: substyles[j].end, style: substyles[j].style};
								substyles[j].end = substyles[j + 1].start;
								substyles.splice(j + 2, 0, newStyle);
							}
						}
					}
					this._mergeStyles(tokenStyle, substyles, _styles);
				} else {	/* pattern defined by a "begin/end" pair */
					/*
					 * If the end match contains a capture reference (eg.- "\1") then update
					 * its regex with the resolved capture values from the begin match.
					 */
					var endRegex = current.pattern.regexEnd;
					endRegex = this._substituteCaptureValues(endRegex, current.result);

					result = this._findMatch(endRegex, text, current.result.index + current.result[0].length);
					if (!result) {
						this._eolRegex.lastIndex = 0;
						result = this._eolRegex.exec(text);
					}
					end = result.index + result[0].length;
					_styles.push({start: offset + start, end: offset + end, style: current.pattern.pattern.name});
				}
				index = result.index + result[0].length;
				this._updateMatch(current, text, matches, index);
			}
			patterns.forEach(function(current) {
				var regex = current.regex || current.regexBegin;
				regex.lastIndex = regex.oldLastIndex;
			});
		},
		setStyler: function(styler) {
			if (this._styler) {
				this._textModel.removeEventListener("Changed", this._listener); //$NON-NLS-0$
			}
			this._styler = styler;
			this._listener = this._onModelChanged.bind(this);
			this._textModel = this._styler.getTextModel();
			this._textModel.addEventListener("Changed", this._listener); //$NON-NLS-0$
			this._patternManager.firstLineChanged(this._textModel.getLine(0));
		},
		verifyBlock: function(baseModel, text, ancestorBlock, changeCount) {
			var result = null;
			var matches = [];
			var match;
			var parentBlock = ancestorBlock.parent;
			parentBlock.blockPatterns.forEach(function(current) {
				match = this._findMatch(current.regexBegin || current.regex, text, 0);
				if (match) {
					matches.push({result: match, pattern: current});
				}
			}.bind(this));
			matches.sort(function(a,b) {
				/* ensure that matches at index 0 make it to the front, other matches do not matter */
				if (!a.result.index && b.result.index) {
					return -1;
				}
				if (a.result.index && !b.result.index) {
					return 1;
				}
				if (!a.result.index && !b.result.index) {
					return a.pattern.pattern.index < b.pattern.pattern.index ? -1 : 1;
				}
				return 0;
			});
			if (!matches.length || matches[0].result.index !== 0 || matches[0].pattern.pattern.id !== ancestorBlock.pattern.pattern.id) {
				result = false;
			} else {
				/* the block start appears to be unchanged, now verify that the block end is unchanged */
				match = matches[0];
				var endRegex = match.pattern.regexEnd;
				if (!endRegex) {
					/* single-match block, just verify its length */
					result = ancestorBlock.start + match.result[0].length === ancestorBlock.end + changeCount;
				} else {
					/* begin/end-match block */

					 /*
					  * Determine whether an earlier match of the block's end pattern has been introduced.
					  * Verifying that this has NOT happened (the most typical case) can be quickly done by
					  * verifying that the first occurrence of its end pattern is still at its former location.
					  * However if a match is found prior to this then the blocks preceding it must be computed
					  * to verify that it is a valid end match (ie.- it is not contained within another block).
				 	  */

					/*
					 * If the end regex contains a capture reference (eg.- "\1") then substitute
					 * the resolved capture values from the begin match.
					 */
					endRegex = this._substituteCaptureValues(endRegex, match.result);

					var searchStartIndex = match.result[0].length;
					var currentMatch = this._findMatch(endRegex, text, searchStartIndex);
					while (result === null && currentMatch && ancestorBlock.start + currentMatch.index !== ancestorBlock.contentEnd + changeCount) {
						/*
						 * A match was found preceeding the former end match, so now compute
						 * blocks to determine whether it is in fact a valid new end match.
						 */
						var blocks = this.computeBlocks(baseModel, text, ancestorBlock, ancestorBlock.start, searchStartIndex, currentMatch.index + 1, null);
						if (!blocks.length || blocks[blocks.length - 1].end <= ancestorBlock.start + currentMatch.index) {
							/* the match is valid, so the attempt to use ancestorBlock as-is fails */
							result = false;
						} else {
							/* the match is not valid, so search for the next potential end match */
							if (!blocks.length) {
								currentMatch = null;
							} else {
								searchStartIndex = blocks[blocks.length - 1].end - ancestorBlock.start;
								currentMatch = this._findMatch(endRegex, text, searchStartIndex);
							}
						}
					}
					if (!currentMatch) {
						this._eolRegex.lastIndex = 0;
						currentMatch = this._eolRegex.exec(text);
						result = ancestorBlock.start + currentMatch.index === ancestorBlock.end + changeCount;
					}
				}
			}
			return result !== null ? result : true;
		},

		/** @private */

		_findMatch: function(regex, text, startIndex, testBeforeMatch) {
			/*
			 * testBeforeMatch provides a potential optimization for callers that do not strongly expect to find
			 * a match.  If this argument is defined then test() is initially called on the regex, which executes
			 * significantly faster than exec().  If a match is found then the regex's lastIndex is reverted to
			 * its pre-test() value, and exec() is then invoked on it in order to get the match details.
			 */

			var index = startIndex;
			var initialLastIndex = regex.lastIndex;
			this._linebreakRegex.lastIndex = startIndex;

			var currentLine = this._linebreakRegex.exec(text);
			/*
			 * Processing of the first line is treated specially, as it may not start at the beginning of a logical line, but
			 * regex's may be dependent on matching '^'.  To resolve this, compute the full line corresponding to the start
			 * of the text, even if it begins prior to startIndex, and adjust the regex's lastIndex accordingly to begin searching
			 * for matches at the correct location.
			 */
			var lineString, indexAdjustment;
			regex.lastIndex = 0;
			if (currentLine) {
				var lineStart = currentLine.index;
				while (0 <= --lineStart) {
					var char = text.charAt(lineStart);
					if (char === this._NEWLINE || char === this._CR) {
						break;
					}
				}
				lineString = text.substring(lineStart + 1, currentLine.index + currentLine[1].length);
				regex.lastIndex = indexAdjustment = currentLine.index - lineStart - 1;
			}
			while (currentLine && currentLine.index < text.length) {
				var result;
				if (testBeforeMatch) {
					var revertIndex = regex.lastIndex;
					if (regex.test(lineString)) {
						regex.lastIndex = revertIndex;
						result = regex.exec(lineString);
					}
				} else {
					result = regex.exec(lineString);
				}
				if (result) {
					result.index += index;
					result.index -= indexAdjustment;
					regex.lastIndex = initialLastIndex;
					return result;
				}
				indexAdjustment = 0;
				index += currentLine[0].length;
				currentLine = this._linebreakRegex.exec(text);
				if (currentLine) {
					lineString = currentLine[1];
					regex.lastIndex = 0;
				}
			}
			regex.lastIndex = initialLastIndex;
			return null;
		},
		_getCaptureStyles: function(result, captures, offset, _styles) {
			if (captures[0]) {
				/* capture index 0 is the full result */
				_styles.push({start: offset, end: offset + result[0].length, style: captures[0].name});
				return;
			}

			var stringIndex = 0;
			for (var i = 1; i < result.length; i++) {
				if (result[i]) {
					var capture = captures[i];
					if (capture) {
						var styleStart = offset + stringIndex;
						_styles.push({start: styleStart, end: styleStart + result[i].length, style: capture.name});
					}
					stringIndex += result[i].length;
				}
			}
		},
		_getLanguageBlock: function(index) {
			/* Returns the parent block that dictates the language in effect at index */
			var block = this._styler.getBlockAtIndex(index);
			var embeddedNameRegex = /^source\..+\.embedded/;
			while (block) {
				if (block.pattern) {
					var pattern = block.pattern.pattern;
					if (embeddedNameRegex.test(pattern.name || pattern.contentName)) {
						return block;
					}
				}
				block = block.parent;
			}
			return this._styler.getRootBlock();
		},
		_initPatterns: function(patternManager, block) {
			if (block.pattern && block.pattern.pattern.linePatterns) {
				block.linePatterns = block.pattern.pattern.linePatterns;
				block.blockPatterns = block.pattern.pattern.blockPatterns;
				block.enclosurePatterns = block.pattern.pattern.enclosurePatterns;
				return;
			}
			var patterns = patternManager.getPatterns(block.pattern ? block.pattern.pattern : null);
			var initRegex = function(match) {
				var matchString = typeof(match) === "string" ? match : match.match;
				var result = this._ignoreCaseRegex.exec(matchString);
				var flags = this._FLAGS;
				if (result) {
					matchString = matchString.substring(result[0].length);
					flags += "i";
				}
				return new RegExp(matchString, flags);
			}.bind(this);
			var lastBlock = -1;
			var index = 0;
			patterns.forEach(function(current) {
				var pattern;
				if (current.match && !current.begin && !current.end) {
					pattern = {regex: initRegex(current.match), pattern: current};
					block.linePatterns.push(pattern);
					if (current.name && current.name.indexOf("punctuation.section") === 0 && (current.name.indexOf(this._PUNCTUATION_SECTION_BEGIN) !== -1 || current.name.indexOf(this._PUNCTUATION_SECTION_END) !== -1)) { //$NON-NLS-0$
						block.enclosurePatterns[current.name] = pattern;
					}
				} else if (!current.match && current.begin && current.end) {
					lastBlock = index;
					pattern = {regexBegin: initRegex(current.begin), regexEnd: initRegex(current.end), pattern: current};
					block.linePatterns.push(pattern);
				}
				index++;
			}.bind(this));
			block.blockPatterns = block.linePatterns.slice(0, lastBlock + 1);
			if (block.pattern) {
				block.pattern.pattern.enclosurePatterns = block.enclosurePatterns;
				block.pattern.pattern.linePatterns = block.linePatterns;
				block.pattern.pattern.blockPatterns = block.blockPatterns;
			}
		},
		_mergeStyles: function(fullStyle, substyles, resultStyles) {
			var i = fullStyle.start;
			substyles.forEach(function(current) {
				if (i <= current.start) {
					resultStyles.push({start: i, end: current.start, style: fullStyle.style});
				}
				resultStyles.push(current);
				i = current.end;
			});
			if (i < fullStyle.end) {
				resultStyles.push({start: i, end: fullStyle.end, style: fullStyle.style});
			}
		},
		_onModelChanged: function(e) {
			var startLine = this._textModel.getLineAtOffset(e.start);
			if (startLine === 0) {
				/* a change in the first line can change the grammar to be applied throughout */
				if (this._patternManager.firstLineChanged(this._textModel.getLine(0))) {
					/* the grammar has changed */
					this._styler.computeRootBlock(this._textModel);
				}
			}
		},
		_substituteCaptureValues: function(regex, resolvedResult) {
			var regexString = regex.toString();
			this._captureReferenceRegex.lastIndex = 0;
			if (!this._captureReferenceRegex.test(regexString)) {
				/* nothing to do */
				return regex;
			}

			this._captureReferenceRegex.lastIndex = 0;
			var result = this._captureReferenceRegex.exec(regexString);
			while (result) {
				regexString = regexString.replace(result[0], resolvedResult[result[1]] || "");
				this._captureReferenceRegex.lastIndex = 0;
				result = this._captureReferenceRegex.exec(regexString);
			}
			/* return an updated regex, remove the leading '/' and trailing /FLAGS */
			return new RegExp(regexString.substring(1, regexString.length - 1 - this._FLAGS.length), this._FLAGS);
		},
		_updateMatch: function(match, text, matches, minimumIndex, endIndex) {
			var regEx = match.pattern.regex ? match.pattern.regex : match.pattern.regexBegin;
			endIndex = endIndex || Infinity;
			var result = this._findMatch(regEx, text, minimumIndex, true);
			if (result && result.index < endIndex) {
				match.result = result;
				for (var i = 0; i < matches.length; i++) {
					if (result.index < matches[i].result.index || (result.index === matches[i].result.index && match.pattern.pattern.index < matches[i].pattern.pattern.index)) {
						matches.splice(i, 0, match);
						return;
					}
				}
				matches.push(match);
			}
		},
		_captureReferenceRegex: /\\(\d)/g,
		_containsCaptureRegex: /\((?!\?:)/, //$NON-NLS-0$
		_eolRegex: /$/,
		_ignoreCaseRegex: /^\(\?i\)\s*/,
		_linebreakRegex: /([\s\S]*?)(?:[\r\n]|$)/g,
		_CR: "\r", //$NON-NLS-0$
		_FLAGS: "g", //$NON-NLS-0$
		_NEWLINE: "\n", //$NON-NLS-0$
		_PUNCTUATION_SECTION_BEGIN: ".begin", //$NON-NLS-0$
		_PUNCTUATION_SECTION_END: ".end" //$NON-NLS-0$
	};

	function PatternManager(grammars, rootIds) {
		this._unnamedCounter = 0;
		this._patterns = [];
		this._firstLineMatches = {};
		if (!Array.isArray(rootIds)) {
			rootIds = [rootIds];
		}
		this._rootIds = rootIds;
		grammars.forEach(function(grammar) {
			this._addRepositoryPatterns(grammar.repository || {}, grammar.id);
			this._addPatterns(grammar.patterns || [], grammar.id);
			if (grammar.firstLineMatch) {
				this._firstLineMatches[grammar.id] = new RegExp(grammar.firstLineMatch);
			}
		}.bind(this));
	}
	PatternManager.prototype = {
		firstLineChanged: function(text) {
			var newId = this._computeRootId(text);
			var changed = this._rootId !== newId;
			this._rootId = newId;
			return changed;
		},
		getPatterns: function(pattern) {
			var parentId;
			if (!pattern) {
				if (!this._rootId) { /* currently no root id */
					return [];
				}
				parentId = this._rootId + "#" + this._NO_ID;
			} else {
				if (typeof(pattern) === "string") { //$NON-NLS-0$
					parentId = pattern;
				} else {
					parentId = pattern.qualifiedId;
				}
				parentId += "#";
			}
			/* indexes on patterns are used to break ties when multiple patterns match the same start text */
			var indexCounter = [0];
			var resultObject = {};
			var regEx = new RegExp("^" + parentId + "[^#]+$"); //$NON-NLS-0$
			this._patterns.forEach(function(current) {
				if (regEx.test(current.qualifiedId)) {
					if (current.include) {
						this._processInclude(current, indexCounter, resultObject);
					} else {
						var newPattern = copy(current);
						newPattern.index = indexCounter[0]++;
						resultObject[current.qualifiedId] = newPattern;
					}
				}
			}.bind(this));

			var result = [];
			var keys = Object.keys(resultObject);
			keys.forEach(function(current) {
				result.push(resultObject[current]);
			});
			return result;
		},

		/** @private */

		_addPattern: function(pattern, patternId, parentId) {
			pattern.parentId = parentId;
			pattern.id = patternId;
			pattern.qualifiedId = pattern.parentId + "#" + pattern.id;
			this._patterns.push(pattern);
			if (pattern.patterns && !pattern.include) {
				this._addPatterns(pattern.patterns, pattern.qualifiedId);
			}
		},
		_addPatterns: function(patterns, parentId) {
			patterns.forEach(function(pattern) {
				this._addPattern(pattern, this._NO_ID + this._unnamedCounter++, parentId);
			}.bind(this));
		},
		_addRepositoryPatterns: function(repository, parentId) {
			var keys = Object.keys(repository);
			keys.forEach(function(key) {
				this._addPattern(repository[key], key, parentId);
			}.bind(this));
		},
		_computeRootId: function(firstLineText) {
			var defaultId = null; /* an acceptable fallback if no firstLineMatches are made */
			var matchId = null;
			for (var i = 0; i < this._rootIds.length; i++) {
				var firstLineMatch = this._firstLineMatches[this._rootIds[i]]; 
				if (!firstLineMatch) {
					defaultId = this._rootIds[i];
				} else if (firstLineMatch.test(firstLineText)) {
					matchId = this._rootIds[i];
				}
			}
			return matchId || defaultId; 
		},
		_processInclude: function(pattern, indexCounter, resultObject) {
			var searchExp;
			var index = pattern.include.indexOf("#");
			if (index === 0) {
				/* inclusion of pattern from same grammar */
				searchExp = new RegExp("^" + pattern.qualifiedId.substring(0, pattern.qualifiedId.indexOf("#")) + pattern.include + "$");
			} else if (index === -1) {
				/* inclusion of whole grammar */
				searchExp = new RegExp("^" + pattern.include + "#" + this._NO_ID + "[^#]+$");
			} else {
				/* inclusion of specific pattern from another grammar */
				searchExp = new RegExp("^" + pattern.include + "$");
			}
			this._patterns.forEach(function(current) {
				if (searchExp.test(current.qualifiedId)) {
					if (current.include) {
						this._processInclude(current, indexCounter, resultObject);
					} else if (!resultObject[current.qualifiedId]) {
						var newPattern = copy(current);
						newPattern.index = indexCounter[0]++;
						resultObject[current.qualifiedId] = newPattern;
					}
				}
			}.bind(this));
		},
		_NO_ID: "NoID"	//$NON-NLS-0$
	};

	function Block(bounds, name, typeId, styler, model, parent, initFn) {
		this.start = bounds.start;
		this.end = bounds.end;
		this.contentStart = bounds.contentStart;
		this.contentEnd = bounds.contentEnd;
		this.name = name;
		this.typeId = typeId;
		this.styler = styler;
		this.parent = parent;
		if (initFn) {
			initFn(this);
		}
		this._subBlocks = styler.computeBlocks(model, model.getText(this.contentStart, this.end), this, this.contentStart, null, null, null);
	}
	Block.prototype = {
		adjustBounds: function(index, value) {
			if (index < this.start) {
				this.start += value;
			}
			if (index < this.contentStart) {
				this.contentStart += value;
			}
			if (index <= this.end) {
				this.end += value;
			}
			if (index <= this.contentEnd) {
				this.contentEnd += value;
			}
			this._subBlocks.forEach(function(current) {
				if (index <= current.end) {
					current.adjustBounds(index, value);
				}
			});
		},
		getBlocks: function() {
			return this._subBlocks;
		},
		getBlockAtIndex: function(index) {
			return binarySearch(this.getBlocks(), index, true);
		},
		isRenderingWhitespace: function() {
			return this.styler._isRenderingWhitespace();
		}
	};

	function TextStylerAccessor(styler) {
		this._styler = styler;
	}
	TextStylerAccessor.prototype = {
		getBlockCommentDelimiters: function(offset) {
			return this._styler.getBlockCommentDelimiters(offset);
		},
		getLineCommentDelimiter: function(offset) {
			return this._styler.getLineCommentDelimiter(offset);
		},
		getStyles: function(offset) {
			return this._styler.getStyles(offset);
		}
	};

	function TextStyler(view, annotationModel, stylerAdapter) {		
		this._whitespacesVisible = false;
		this._highlightCaretLine = false;
		this._foldingEnabled = true;
		this._detectTasks = true;
		this._annotationProviders = [];
		this._view = view;
		this._annotationModel = annotationModel;
		this._stylerAdapter = stylerAdapter;
		this._stylerAdapter.setStyler(this);
		this._accessor = new TextStylerAccessor(this);
		this._bracketAnnotations;

		var self = this;
		this._listener = {
			onChanged: function(e) {
				self._onModelChanged(e);
			},
			onDestroy: function(e) {
				self._onDestroy(e);
			},
			onLineStyle: function(e) {
				self._onLineStyle(e);
			},
			onMouseDown: function(e) {
				self._onMouseDown(e);
			},
			onSelection: function(e) {
				self._onSelection(e);
			}
		};
		var model = view.getModel();
		if (model.getBaseModel) {
			model = model.getBaseModel();
		}
		model.addEventListener("Changed", this._listener.onChanged); //$NON-NLS-0$
		view.addEventListener("MouseDown", this._listener.onMouseDown); //$NON-NLS-0$
		view.addEventListener("Selection", this._listener.onSelection); //$NON-NLS-0$
		view.addEventListener("Destroy", this._listener.onDestroy); //$NON-NLS-0$
		view.addEventListener("LineStyle", this._listener.onLineStyle); //$NON-NLS-0$
		this.computeRootBlock(model);
	}
	TextStyler.prototype = {
		addAnnotationProvider: function(value) {
			if (typeof value === "function") { //$NON-NLS-0$
				this._annotationProviders.push(value);
			}
		},
		computeBlocks: function(model, text, block, offset, startIndex, endIndex, maxBlockCount) {
			return this._stylerAdapter.computeBlocks(model, text, block, offset, startIndex, endIndex, maxBlockCount);
		},
		computeRootBlock: function(model) {
			var charCount = model.getCharCount();
			var rootBounds = {start: 0, contentStart: 0, end: charCount, contentEnd: charCount};
			if (charCount >= 50000) {
				var startTime = Date.now();
			}
			this._rootBlock = this._stylerAdapter.createBlock(rootBounds, this, model, null);
			if (startTime) {
				var interval = Date.now() - startTime;
				if (interval > 10) {
					mMetrics.logTiming(
						"editor", //$NON-NLS-0$
						"styler compute blocks (ms/50000 chars)", //$NON-NLS-0$
						interval * 50000 / charCount,
						this._stylerAdapter.getContentType());
				}
			}
			if (this._annotationModel) {
				var add = [];
				this._annotationModel.removeAnnotations(mAnnotations.AnnotationType.ANNOTATION_FOLDING);
				this._computeFolding(this._rootBlock.getBlocks(), this._view.getModel(), add);
				if (this._detectTasks) {
					this._annotationModel.removeAnnotations(mAnnotations.AnnotationType.ANNOTATION_TASK);
					this._computeTasks(this._rootBlock, model, add);
				}
				this._replaceAnnotations([], add);
			}
			this._view.redrawLines();
		},
		destroy: function() {
			this._stylerAdapter.destroy();
			if (this._view) {
				var model = this._view.getModel();
				if (model.getBaseModel) {
					model = model.getBaseModel();
				}
				model.removeEventListener("Changed", this._listener.onChanged); //$NON-NLS-0$
				this._view.removeEventListener("MouseDown", this._listener.onMouseDown); //$NON-NLS-0$
				this._view.removeEventListener("Selection", this._listener.onSelection); //$NON-NLS-0$
				this._view.removeEventListener("Destroy", this._listener.onDestroy); //$NON-NLS-0$
				this._view.removeEventListener("LineStyle", this._listener.onLineStyle); //$NON-NLS-0$
				this._view = null;
			}
		},
		getAnnotationModel: function() {
			return this._annotationModel;
		},
		getBlockAtIndex: function(index) {
			return this._findBlock(this._rootBlock, index);
		},
		getBlockCommentDelimiters: function(index) {
			return this._stylerAdapter.getBlockCommentDelimiters(index);
		},
		getLineCommentDelimiter: function(index) {
			return this._stylerAdapter.getLineCommentDelimiter(index);
		},
		getRootBlock: function() {
			return this._rootBlock;
		},
		getStyleAccessor: function() {
			return this._accessor;
		},
		getStyles: function(offset) {
			var result = [];
			if (this._view) {
				var model = this._view.getModel();
				if (model.getBaseModel) {
					model = model.getBaseModel();
				}
				var block = this._findBlock(this._rootBlock, offset);
				var lineIndex = model.getLineAtOffset(offset);
				var lineText = model.getLine(lineIndex);
				var styles = [];
				this._stylerAdapter.parse(lineText, model.getLineStart(lineIndex), 0, block, styles);
				var style = styles[binarySearch(styles, offset, true)];
				if (style && style.start <= offset && offset < style.end) {
					result.push(style);
				}
				while (block) {
					style = this._stylerAdapter.computeStyle(block, model, offset);
					if (style) {
						result.splice(0, 0, style);
					}
					block = block.parent;
				}
			}
			return result;
		},
		getTextModel: function() {
			var model = this._view.getModel();
			if (model.getBaseModel) {
				model = model.getBaseModel();
			}
			return model;
		},
		removeAnnotationProvider: function(value) {
			if (typeof value !== "function") { //$NON-NLS-0$
				return;
			}
			var index = this._annotationProviders.indexOf(value);
			if (index !== -1) {
				this._annotationProviders.splice(index, 1);
			}
		},
		setDetectHyperlinks: function() {
		},
		setDetectTasks: function(enabled) {
			this._detectTasks = enabled;
		},
		setFoldingEnabled: function(enabled) {
			this._foldingEnabled = enabled;
		},
		setHighlightCaretLine: function(highlight) {
			this._highlightCaretLine = highlight;
		},
		setWhitespacesVisible: function(visible, redraw) {
			if (this._whitespacesVisible === visible) { return; }
			this._whitespacesVisible = visible;
			if (redraw) {
				this._view.redraw();
			}
		},

		/** @private */

		_computeFolding: function(blocks, viewModel, _add) {
			if (!viewModel.getBaseModel) { return; }
			var baseModel = viewModel.getBaseModel();
			blocks.forEach(function(block) {
				var foldBounds = this._stylerAdapter.getBlockFoldBounds(block, baseModel);
				var annotation = this._createFoldingAnnotation(viewModel, baseModel, foldBounds.start, foldBounds.end);
				if (annotation) {
					_add.push(annotation);
				}
				this._computeFolding(block.getBlocks(), viewModel, _add);
			}.bind(this));
		},
		_computeTasks: function(block, baseModel, annotations, start, end) {
			start = start || block.start;
			end = end || block.end;
			if (block.start <= end && start <= block.end) {
				if (!this._annotationModel) { return; }

				if (block.name && block.name.indexOf("comment") === 0) {
					var substyles = [];
					var lineIndex = baseModel.getLineAtOffset(block.contentStart);
					var lineStart = baseModel.getLineStart(lineIndex);
					this._stylerAdapter.parse(baseModel.getText(lineStart, block.end), lineStart, block.contentStart - lineStart, block, substyles, true);
					for (var i = 0; i < substyles.length; i++) {
						if (substyles[i].style === "meta.annotation.task.todo" && start <= substyles[i].start && substyles[i].end <= end) {
							annotations.push(this._createAnnotation(
								mAnnotations.AnnotationType.ANNOTATION_TASK,
								substyles[i].start,
								substyles[i].end,
								baseModel.getText(substyles[i].start, substyles[i].end)));
						}
					}
				}

				block.getBlocks().forEach(function(current) {
					this._computeTasks(current, baseModel, annotations, start, end);
				}.bind(this));
			}
		},
		_createAnnotation: function(type, start, end, title) {
			var result = mAnnotations.AnnotationType.createAnnotation(type, start, end, title);
			result.source = this._TEXTSTYLER;
			return result;
		},
		_createFoldingAnnotation: function(viewModel, baseModel, start, end) {
			var startLine = baseModel.getLineAtOffset(start);
			var endLine = baseModel.getLineAtOffset(end);
			if (startLine === endLine) {
				return null;
			}
			if (startLine + 1 === endLine && baseModel.getLineStart(endLine) === baseModel.getLineEnd(endLine)) {
				return null;
			}
			return this._createAnnotation(mAnnotations.AnnotationType.ANNOTATION_FOLDING, start, end, viewModel);
		},
		_findBlock: function(parentBlock, offset) {
			var blocks = parentBlock.getBlocks();
			if (!blocks.length) {
				return parentBlock;
			}

			var index = binarySearch(blocks, offset, true);
			if (index < blocks.length && blocks[index].start <= offset && offset < blocks[index].end) {
				return this._findBlock(blocks[index], offset);
			}
			return parentBlock;
		},
		_findBrackets: function(model, bracketMatch, block, text, offset, end) {
			var result = [], styles = [];
			var start = offset, blocks = block.getBlocks();
			var startIndex = binarySearch(blocks, offset, true);
			for (var i = startIndex; i < blocks.length; i++) {
				if (blocks[i].start >= end) { break; }
				var blockStart = blocks[i].start;
				var blockEnd = blocks[i].end;
				if (start < blockStart) {
					var lineIndex = model.getLineAtOffset(start);
					var lineStart = model.getLineStart(lineIndex);
					this._stylerAdapter.parse(text.substring(lineStart - offset, blockStart - offset), lineStart, start - lineStart, block, styles);
					styles.forEach(function(current) {
						if (current.style) {
							if (current.style.indexOf(bracketMatch.beginName) === 0) {
								result.push(current.start + 1);
							} else if (current.style.indexOf(bracketMatch.endName) === 0) {
								result.push(-(current.start + 1));
							}
						}
					});
					styles = [];
				}
				start = blockEnd;
			}
			if (start < end) {
				lineIndex = model.getLineAtOffset(start);
				lineStart = model.getLineStart(lineIndex);
				this._stylerAdapter.parse(text.substring(lineStart - offset, end - offset), lineStart, start - lineStart, block, styles);
				styles.forEach(function(current) {
					if (current.style) {
						if (current.style.indexOf(bracketMatch.beginName) === 0) {
							result.push(current.start + 1);
						} else if (current.style.indexOf(bracketMatch.endName) === 0) {
							result.push(-(current.start + 1));
						}
					}
				});
			}
			return result;
		},
		_findMatchingBracket: function(model, block, offset) {
			var lineIndex = model.getLineAtOffset(offset);
			var lineEnd = model.getLineEnd(lineIndex);
			var text = model.getText(offset, lineEnd);

			var bracketMatch = this._stylerAdapter.getBracketMatch(block, text);
			if (!bracketMatch) { return -1; }

			var lineText = model.getLine(lineIndex);
			var lineStart = model.getLineStart(lineIndex);
			var brackets = this._findBrackets(model, bracketMatch, block, lineText, lineStart, lineEnd);
			for (var i = 0; i < brackets.length; i++) {
				var sign = brackets[i] >= 0 ? 1 : -1;
				if (brackets[i] * sign - 1 === offset) {
					var level = 1;
					if (!bracketMatch.atStart) {
						i--;
						for (; i>=0; i--) {
							sign = brackets[i] >= 0 ? 1 : -1;
							level += sign;
							if (level === 0) {
								return brackets[i] * sign - 1;
							}
						}
						lineIndex -= 1;
						while (lineIndex >= 0) {
							lineText = model.getLine(lineIndex);
							lineStart = model.getLineStart(lineIndex);
							lineEnd = model.getLineEnd(lineIndex);
							brackets = this._findBrackets(model, bracketMatch, block, lineText, lineStart, lineEnd);
							for (var j = brackets.length - 1; j >= 0; j--) {
								sign = brackets[j] >= 0 ? 1 : -1;
								level += sign;
								if (level === 0) {
									return brackets[j] * sign - 1;
								}
							}
							lineIndex--;
						}
					} else {
						i++;
						for (; i<brackets.length; i++) {
							sign = brackets[i] >= 0 ? 1 : -1;
							level += sign;
							if (level === 0) {
								return brackets[i] * sign - 1;
							}
						}
						lineIndex += 1;
						var lineCount = model.getLineCount();
						while (lineIndex < lineCount) {
							lineText = model.getLine(lineIndex);
							lineStart = model.getLineStart(lineIndex);
							lineEnd = model.getLineEnd(lineIndex);
							brackets = this._findBrackets(model, bracketMatch, block, lineText, lineStart, lineEnd);
							for (var k=0; k<brackets.length; k++) {
								sign = brackets[k] >= 0 ? 1 : -1;
								level += sign;
								if (level === 0) {
									return brackets[k] * sign - 1;
								}
							}
							lineIndex++;
						}
					}
					break;
				}
			}
			return -1;
		},
		_getLineStyle: function(lineIndex) {
			if (this._highlightCaretLine) {
				var view = this._view;
				var model = view.getModel();
				var selections = view.getSelections();
				var hasCaret = false;
				if (!selections.some(function(selection) {
					if (selection.start === selection.end) {
						hasCaret = hasCaret || model.getLineAtOffset(selection.start) === lineIndex;
						return false;
					}
					return true;
				}) && hasCaret) return this._caretLineStyle;
			}
			return null;
		},
		_getStyles: function(block, model, text, offset, startIndex) {
			var end = offset + text.length;

			var styles = [];
			var start = offset + startIndex, blocks = block.getBlocks();
			var startBlockIndex = binarySearch(blocks, start, true);
			for (var i = startBlockIndex; i < blocks.length; i++) {
				if (blocks[i].start >= end) { break; }
				var blockStart = blocks[i].start;
				var blockEnd = blocks[i].end;
				if (start < blockStart) {
					/* content on that line that preceeds the start of the block */
					var lineIndex = model.getLineAtOffset(start);
					var lineStart = model.getLineStart(lineIndex);
					this._stylerAdapter.parse(text.substring(lineStart - offset, blockStart - offset), lineStart, start - lineStart, block, styles);
				}
				var s = Math.max(start, blockStart);
				if (s === blockStart) {
					/* currently in the block's "start" segment */
					var startString = this._stylerAdapter.getBlockStartStyle(blocks[i], text.substring(s - offset), s, styles);
					if (startString) {
						s += startString.length;
					}
				}

				/*
				 * Compute the block end now in order to determine the end-bound of the contained content, but do not add
				 * its styles to the styles array until content styles have been computed, so that ordering is preserved.
				 */
				var e = Math.min(end, blockEnd);
				var endStyles = [];
				if (e === blockEnd) {
					/* currently in the block's "end" segment */
					var testString = text.substring(e - start - (blocks[i].end - blocks[i].contentEnd));
					var endString = this._stylerAdapter.getBlockEndStyle(blocks[i], testString, e, endStyles);
					if (endString) {
						e -= endString.length;
					}
				}

				lineIndex = model.getLineAtOffset(s);
				lineStart = model.getLineStart(lineIndex);
				var blockSubstyles = this._getStyles(blocks[i], model, text.substring(lineStart - offset, e - offset), lineStart, s - lineStart);
				var overrideStyles = [];
				this._stylerAdapter.getBlockOverrideStyles(blocks[i], text.substring(s - offset, e - offset), s, overrideStyles);
				if (overrideStyles.length) {
					Array.prototype.push.apply(blockSubstyles, overrideStyles); /* append overrideStyles into blockSubstyles */
					if (blockSubstyles.length !== overrideStyles.length) {
						/* substyles came from both sources, so they need to be sorted together */
						blockSubstyles.sort(function(a,b) {
							if (a.start < b.start) {
								return -1;
							}
							if (a.start > b.start) {
								return 1;
							}
							return 0;
						});
					}
				}

				var blockStyleName = this._stylerAdapter.getBlockContentStyleName(blocks[i]);
				if (blockStyleName) {
					/*
					 * If a name was specified for the current block then apply its style throughout its
					 * content wherever a style is not provided by a sub-element.
					 */
					var index = s;
					blockSubstyles.forEach(function(current) {
						if (current.start - index) {
							styles.push({start: index, end: current.start, style: blockStyleName});
						}
						if (current.mergeable) {
							current.style += "," + blockStyleName;
						}
						styles.push(current);
						index = current.end;
					});
					if (e - index) {
						styles.push({start: index, end: e, style: blockStyleName});
					}
				} else {
					styles = styles.concat(blockSubstyles);
				}
				styles = styles.concat(endStyles);
				start = blockEnd;
			}
			if (start < end) {
				/* content on that line that follows the end of the block */
				lineIndex = model.getLineAtOffset(start);
				lineStart = model.getLineStart(lineIndex);
				this._stylerAdapter.parse(text.substring(lineStart - offset, end - offset), lineStart, start - lineStart, block, styles);
			}

			return styles;
		},
		_isRenderingWhitespace: function() {
			return this._whitespacesVisible;
		},
		_onDestroy: function() {
			this.destroy();
		},
		_onLineStyle: function(e) {
			if (this._rootBlock) {
				if (e.textView === this._view) {
					e.style = this._getLineStyle(e.lineIndex);
				}
				var offset = e.lineStart;
				var model = e.textView.getModel();
				if (model.getBaseModel) {
					offset = model.mapOffset(offset);
					var baseModel = model.getBaseModel();
				}
				e.ranges = this._getStyles(this._rootBlock, baseModel || model, e.lineText, offset, 0);

				for (var i = e.ranges.length - 1; i >= 0; i--) {
					var current = e.ranges[i];
					if (current.style) {
						current.style = {styleClass: current.style.replace(/\./g, " ")};
						if (baseModel) {
							var length = current.end - current.start;
							current.start = model.mapOffset(current.start, true);
							current.end = current.start + length;
						}
					} else {
						e.ranges.splice(i, 1);
					}
				}
			} else {
				e.ranges = [];
			}

			if (this._isRenderingWhitespace()) {
				this._spliceStyles(this._spacePattern, e.ranges, e.lineText, e.lineStart);
				this._spliceStyles(this._tabPattern, e.ranges, e.lineText, e.lineStart);
			}
		},
		_onModelChanged: function(e) {
			var start = e.start;
			var removedCharCount = e.removedCharCount;
			var addedCharCount = e.addedCharCount;
			var changeCount = addedCharCount - removedCharCount;
			var viewModel = this._view.getModel();
			var baseModel = viewModel.getBaseModel ? viewModel.getBaseModel() : viewModel;
			var end = start + removedCharCount;
			var charCount = baseModel.getCharCount();

			/* compute the nearest ancestor block to the start and end indices */
			var lineStart = baseModel.getLineStart(baseModel.getLineAtOffset(start));
			var ancestorBlock = this._findBlock(this._rootBlock, start);

			var blockExtended, blocks, parentBlock, redraw, text, te, ts;
			do {
				parentBlock = ancestorBlock.parent;

				/*
				 * Determine whether ancestorBlock contains the full range of
				 * text whose styling may be affected by this model change.
				 */
				if (!blockExtended && parentBlock) {
					/* verify that ancestorBlock's start and end bounds are not affected by this change */
					if (changeCount < 0 && ancestorBlock.end - start <= -changeCount) {
						/* the end bound has definitely been affected, no verifyBlock() required, move up to the parent */
						ancestorBlock = parentBlock;
						continue;
					}
					text = baseModel.getText(ancestorBlock.start, Math.min(charCount, ancestorBlock.end + changeCount + 1));
					if (!this._stylerAdapter.verifyBlock(baseModel, text, ancestorBlock, changeCount)) {
						ancestorBlock = parentBlock;
						continue;
					}
				}

				/*
				 * The change has not directly changed ancestorBlock's start/end strings, now verify that its end
				 * bound is still valid (ie.- ensure that a new block is not extending beyond the end bound).
				 */

				blocks = ancestorBlock.getBlocks();
				var blockCount = blocks.length;
				var blockStart = binarySearch(blocks, lineStart, true);
				var blockEnd = binarySearch(blocks, end, false, blockStart - 1, blockCount);

				/*
				 * If the change immediately follows the preceding block then test whether
				 * the block should be extended.
				 */
				blockExtended = false;
				if (blockStart && blocks.length && blocks[blockStart - 1].end === start) {
					text = baseModel.getText(blocks[blockStart - 1].start, Math.min(charCount, start + 1));
					var tempBlocks = this.computeBlocks(baseModel, text, ancestorBlock, blocks[blockStart - 1].start, null, null, null);
					if (tempBlocks.length && tempBlocks[0].end !== blocks[blockStart - 1].end) {
						/* the change has affected the preceding block's end, so include this block */
						blockStart--;
						blockExtended = true;
					}
				}

				if (blockStart < blockCount && blocks[blockStart].start <= lineStart && (lineStart < blocks[blockStart].end || blockExtended)) {
					ts = blocks[blockStart].start;
					if (ts > start) { ts += changeCount; }
				} else if (blockStart === blockCount && blockCount > 0 && ancestorBlock.end - changeCount === blocks[blockCount - 1].end) {
					ts = blocks[--blockStart].start;
					if (ts > start) { ts += changeCount; }
				} else {
					ts = Math.max(lineStart, ancestorBlock.contentStart);
				}

				if (blockEnd < blockCount) {
					te = blocks[blockEnd].end;
				} else {
					te = ancestorBlock.contentEnd;
				}
				if (start <= te) { te += changeCount; }
				te = Math.min(te, charCount - 1);
				text = baseModel.getText(ts, te + 1);
				var newBlocks = this.computeBlocks(baseModel, text, ancestorBlock, ts, null, null, null);

				if (blockEnd < blockCount) {
					/* ensure that blockEnd's end is preserved */
					if (newBlocks.length && newBlocks[newBlocks.length - 1].end === te && newBlocks[newBlocks.length - 1].typeId === blocks[blockEnd].typeId) {
						break;
					}

					/*
					 * ancestorBlock's end match is no longer valid because it is being spanned by a block from
					 * within.  Attempt to find a subsequent sibling block with the same type, as its end match
					 * will serve as the end match for this spanning block as well.
					 */
					if (newBlocks.length && this._stylerAdapter.blockSpansBeyondEnd(newBlocks[newBlocks.length - 1])) {
						blockEnd++;
						var subBlocks = newBlocks[newBlocks.length - 1].getBlocks();
						var spanningTypeId = (subBlocks.length ? subBlocks[subBlocks.length - 1] : newBlocks[newBlocks.length - 1]).typeId;
						while (blockEnd < blockCount) {
							if (blocks[blockEnd].typeId === spanningTypeId) {
								/* found a potential end block, must verify it */
								var tempTe = blocks[blockEnd].end + changeCount;
								tempTe = Math.min(tempTe, charCount - 1);
								text = baseModel.getText(ts, tempTe + 1);
								var tempNewBlocks = this.computeBlocks(baseModel, text, ancestorBlock, ts, null, null, null);
								if (tempNewBlocks.length && tempNewBlocks[tempNewBlocks.length - 1].end === tempTe) {
									/* verified, can now stop looking */
									te = tempTe;
									newBlocks = tempNewBlocks;
									break;
								}
							}
							blockEnd++;
						}
						if (blockEnd < blockCount) {
							break;
						}
					}
				} else {
					/* ensure that ancestorBlock's end is preserved */
					if (!newBlocks.length || newBlocks[newBlocks.length - 1].end <= ancestorBlock.contentEnd + changeCount) {
						break;
					}
				}

				/*
				 * The end block's end bound is spanned by a block from within, so move up to the ancestor
				 * block, or extend end to the end of the content if already at the root-level block.
				 */

				if (!parentBlock) {
					te = charCount;
					blockEnd = blockCount;
					text = baseModel.getText(ts, te);
					newBlocks = this.computeBlocks(baseModel, text, ancestorBlock, ts, null, null, null);
					break;
				}

				ancestorBlock = parentBlock;
				redraw = true; /* blocks may not appear to be changed in the context of the parent block */
			} while (true);

			this._rootBlock.adjustBounds(start, changeCount);
			blockEnd = Math.min(blockEnd + 1, blockCount);

			var block;
			if (!redraw) {
				redraw = (blockEnd - blockStart) !== newBlocks.length;
			}
			if (!redraw) {
				for (var i = 0; i < newBlocks.length; i++) {
					block = blocks[blockStart + i];
					var newBlock = newBlocks[i];
					if (block.start !== newBlock.start || block.end !== newBlock.end || block.typeId !== newBlock.typeId) {
						redraw = true;
						break;
					}
				}
			}

			if (!blocks.length && !newBlocks.length) {
				var eventOldBlocks = [ancestorBlock];
				var eventNewBlocks = [ancestorBlock];
				this.dispatchEvent({
					type: "BlocksChanged", //$NON-NLS-0$
					oldBlocks: eventOldBlocks,
					newBlocks: eventNewBlocks
				});
				ancestorBlock = eventNewBlocks[0]; /* enables the markdown styler to return a modified ancestorBlock */
			} else {
				this.dispatchEvent({
					type: "BlocksChanged", //$NON-NLS-0$
					oldBlocks: blocks.slice(blockStart, blockEnd),
					newBlocks: newBlocks
				});
			}

			var args = [blockStart, blockEnd - blockStart].concat(newBlocks);
			Array.prototype.splice.apply(blocks, args);
			if (redraw) {
				var redrawStart = ts;
				var redrawEnd = te;
				if (viewModel !== baseModel) {
					redrawStart = viewModel.mapOffset(redrawStart, true);
					redrawEnd = viewModel.mapOffset(redrawEnd, true);
				}
				this._view.redrawRange(redrawStart, redrawEnd);
			}

			if (this._annotationModel) {
				var remove = [], add = [];
				var allFolding = [];
				var iter = this._annotationModel.getAnnotations(ts, te);
				var doFolding = this._foldingEnabled && baseModel !== viewModel;
				var parent = ancestorBlock.parent || ancestorBlock;
				while (iter.hasNext()) {
					var annotation = iter.next();
					if (doFolding && annotation.type === mAnnotations.AnnotationType.ANNOTATION_FOLDING) {
						allFolding.push(annotation);
						block = this._findBlock(parent, annotation.start);
						while (block) {
							var foldBounds = this._stylerAdapter.getBlockFoldBounds(block, baseModel);
							if (annotation.start === foldBounds.start && annotation.end === foldBounds.end) {
								break;
							}
							block = block.parent;
						}
						if (block && annotation.start === foldBounds.start && annotation.end === foldBounds.end) {
							var annotationStart = annotation.start;
							var annotationEnd = annotation.end;
							if (annotationStart > start) {
								annotationStart -= changeCount;
							}
							if (annotationEnd > start) {
								annotationEnd -= changeCount;
							}
							if (annotationStart <= start && start < annotationEnd && annotationStart <= end && end < annotationEnd) {
								var startLine = baseModel.getLineAtOffset(annotation.start);
								var endLine = baseModel.getLineAtOffset(annotation.end);
								if (startLine !== endLine) {
									if (!annotation.expanded) {
										annotation.expand();
									}
								} else {
									remove.push(annotation);
								}
							}
						} else {
							remove.push(annotation);
							annotation.expand();
						}
					} else if (annotation.type === mAnnotations.AnnotationType.ANNOTATION_TASK) {
						if (ancestorBlock.start <= annotation.start && annotation.end <= ancestorBlock.end) {
							remove.push(annotation);
						}
					}
				}
				if (doFolding) {
					parent.getBlocks().forEach(function(block) {
						this._updateFolding(block, baseModel, viewModel, allFolding, add, ts, te);
					}.bind(this));
				}
				if (this._detectTasks) {
					this._computeTasks(ancestorBlock, baseModel, add, ts, te);
				}
				this._annotationProviders.forEach(function(current) {
					var providerRemove = [];
					var providerAdd = [];
					current(this._annotationModel, baseModel, ancestorBlock, ts, te, providerRemove, providerAdd);
					remove = remove.concat(providerRemove);
					add = add.concat(providerAdd);
				}.bind(this));
				this._replaceAnnotations(remove, add);
			}
		},
		_onMouseDown: function(e) {
			if (e.clickCount !== 2) { return; }
			var model = this._view.getModel();
			var offset = this._view.getOffsetAtLocation(e.x, e.y);
			if (offset > 0) {
				var mapOffset = offset - 1;
				var baseModel = model;
				if (model.getBaseModel) {
					mapOffset = model.mapOffset(mapOffset);
					baseModel = model.getBaseModel();
				}
				var block = this._findBlock(this._rootBlock, mapOffset);
				var bracket = this._findMatchingBracket(baseModel, block, mapOffset);
				if (bracket !== -1) {
					e.preventDefault();
					var mapBracket = bracket;
					if (model.getBaseModel) {
						mapBracket = model.mapOffset(mapBracket, true);
					}
					if (offset > mapBracket) {
						offset--;
						mapBracket++;
					}
					this._view.setSelection(mapBracket, offset);
				}
			}
		},
		_onSelection: function(e) {
			var oldSelections = Array.isArray(e.oldValue) ? e.oldValue : [e.oldValue];
			var newSelections = Array.isArray(e.newValue) ? e.newValue : [e.newValue];
			var view = this._view;
			var model = view.getModel();
			var lineIndex;
			if (this._highlightCaretLine) {
				function getHighlightLines(selections) {
					var lines = {};
					if (selections.some(function(selection) {
						if (selection.isEmpty()) {
							lines[model.getLineAtOffset(selection.start).toString()] = true;
						} else {
							return true;
						}
						return false;
					})) return {};
					return lines;
				}
				var oldLines = getHighlightLines(oldSelections);
				var newLines = getHighlightLines(newSelections);
				function redraw(o, n) {
					for (var p in o) {
						if (!n[p]) {
							lineIndex = p >> 0;
							view.redrawLines(lineIndex, lineIndex + 1);
						}
					}
				}
				redraw(oldLines, newLines);
				redraw(newLines, oldLines);
			}
			if (!this._annotationModel) { return; }

			var remove = this._bracketAnnotations, add, caret;
			if (newSelections.length === 1 && newSelections[0].isEmpty() && (caret = newSelections[0].getCaret()) > 0) {
				var mapCaret = caret - 1;
				if (model.getBaseModel) {
					mapCaret = model.mapOffset(mapCaret);
					model = model.getBaseModel();
				}
				var block = this._findBlock(this._rootBlock, mapCaret);
				var bracket = this._findMatchingBracket(model, block, mapCaret);
				if (bracket !== -1) {
					add = [
						this._createAnnotation(mAnnotations.AnnotationType.ANNOTATION_MATCHING_BRACKET, bracket, bracket + 1),
						this._createAnnotation(mAnnotations.AnnotationType.ANNOTATION_CURRENT_BRACKET, mapCaret, mapCaret + 1)
					];
				}
			}
			this._bracketAnnotations = add;
			this._replaceAnnotations(remove, add);
		},
		_replaceAnnotations: function(remove, add) {
			var filteredRemove;
			if (remove) {
				filteredRemove = [];
				remove.forEach(function(current) {
					if (current.type !== mAnnotations.AnnotationType.ANNOTATION_FOLDING || current.source === this._TEXTSTYLER) {
						filteredRemove.push(current);
					}
				}.bind(this));
			}
			this._annotationModel.replaceAnnotations(filteredRemove, add);
		},
		_spliceStyles: function(whitespacePattern, ranges, text, offset) {
			var regex = whitespacePattern.regex;
			regex.lastIndex = 0;
			var rangeIndex = 0;
			var result = regex.exec(text);
			while (result) {
				var charIndex = offset + result.index;
				while (rangeIndex < ranges.length) {
					if (charIndex < ranges[rangeIndex].end) {
						break;
					}
					rangeIndex++;
				}
				var newStyle = {
					start: charIndex,
					end: charIndex + 1,
					style: copy(whitespacePattern.style)
				};
				if (rangeIndex < ranges.length && ranges[rangeIndex].start <= charIndex) {
					var endStyle = {start: charIndex + 1, end: ranges[rangeIndex].end, style: ranges[rangeIndex].style};
					ranges[rangeIndex].end = charIndex;
					ranges.splice(rangeIndex + 1, 0, endStyle);
					ranges.splice(rangeIndex + 1, 0, newStyle);
					rangeIndex += 2;
					newStyle.style.styleClass += " " + ranges[rangeIndex].style.styleClass; //$NON-NLS-0$
				} else {
					ranges.splice(rangeIndex, 0, newStyle);
					rangeIndex++;
				}
				result = regex.exec(text);
			}
		},
		_updateFolding: function(block, baseModel, viewModel, allFolding, _add, start, end) {
			start = start || block.start;
			end = end || block.end;
			var foldBounds = this._stylerAdapter.getBlockFoldBounds(block, baseModel);
			if (!block.doNotFold && foldBounds.start <= end && start <= foldBounds.end) {
				var index = binarySearch(allFolding, foldBounds.start, true);
				if (!(index < allFolding.length && allFolding[index].start === foldBounds.start && allFolding[index].end === foldBounds.end)) {
					var annotation = this._createFoldingAnnotation(viewModel, baseModel, foldBounds.start, foldBounds.end);
					if (annotation) {
						_add.push(annotation);
					}
				}
				block.getBlocks().forEach(function(current) {
					this._updateFolding(current, baseModel, viewModel, allFolding, _add, start, end);
				}.bind(this));
			}
		},
		_caretLineStyle: {styleClass: "meta annotation currentLine"}, //$NON-NLS-0$
		_spacePattern: {regex: /[ ]/g, style: {styleClass: "punctuation separator space", unmergeable: true}}, //$NON-NLS-0$
		_tabPattern: {regex: /\t/g, style: {styleClass: "punctuation separator tab", unmergeable: true}}, //$NON-NLS-0$
		_TEXTSTYLER: "textStyler"
	};

	mEventTarget.EventTarget.addMixin(TextStyler.prototype);

	return {
		TextStyler: TextStyler,
		Block: Block,
		createPatternBasedAdapter: createPatternBasedAdapter
	};
}
1008953
private <T extends Element> void mapAnnotations(final Map<TypeElement, List<T>> map,
            Element e, final T holder) {
        new SimpleElementVisitor9<Void, Void>() {

            void addAnnotations(Element e) {
                for (AnnotationMirror a : e.getAnnotationMirrors()) {
                    add(map, (TypeElement) a.getAnnotationType().asElement(), holder);
                }
            }

            @Override
            public Void visitPackage(PackageElement e, Void p) {
                for (AnnotationMirror a : e.getAnnotationMirrors()) {
                    refList(map, a.getAnnotationType().asElement()).add(holder);
                }
                return null;
            }

            @Override
            protected Void defaultAction(Element e, Void p) {
                addAnnotations(e);
                return null;
            }
        }.visit(e);
    }
470725
static JavaAnnotation []parseAnnotations(InputStream is,
                                           ConstantPool cp,
                                           JavaClassLoader loader)
    throws IOException
  {
    int n = readShort(is);

    JavaAnnotation []annArray = new JavaAnnotation[n];

    for (int i = 0; i < n; i++) {
      annArray[i] = parseAnnotation(is, cp, loader);
    }

    return annArray;
  }
472530
private <A extends Annotation, AS extends Annotation> void processClassAnnotations(int processorIndex,
                                                                                       InjectionProcessorProvider<A, AS> provider,
                                                                                       Class<?> klass)
                    throws InjectionException
    {
        Class<A> annClass = provider.getAnnotationClass();
        if (annClass != null)
        {
            A ann = klass.getAnnotation(annClass);
            if (ann != null)
            {
                if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())
                    Tr.debug(tc, "found class annotation " + toStringSecure(ann));

                InjectionProcessor<A, AS> processor = getProcessor(processorIndex, provider);
                addOrMergeInjectionBinding(processorIndex, processor, klass, null, ann);
            }

            Class<AS> pluralAnnClass = provider.getAnnotationsClass();
            if (pluralAnnClass != null)
            {
                AS pluralAnn = klass.getAnnotation(pluralAnnClass);
                if (pluralAnn != null)
                {
                    InjectionProcessor<A, AS> processor = getProcessor(processorIndex, provider);

                    A[] singleAnns = processor.getAnnotations(pluralAnn);
                    if (singleAnns != null)
                    {
                        for (A singleAnn : singleAnns)
                        {
                            if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())
                                Tr.debug(tc, "found plural class annotation " + toStringSecure(singleAnn));
                            addOrMergeInjectionBinding(processorIndex, processor, klass, null, singleAnn);
                        }
                    }
                }
            }
        }
    }
48232
public static void main(String[] args) throws Exception {

		// Checking input parameters
		final ParameterTool params = ParameterTool.fromArgs(args);
		System.out.println("Usage: TwitterExample [--output <path>] " +
				"[--twitter-source.consumerKey <key> --twitter-source.consumerSecret <secret> --twitter-source.token <token> --twitter-source.tokenSecret <tokenSecret>]");

		// set up the execution environment
		StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();

		// make parameters available in the web interface
		env.getConfig().setGlobalJobParameters(params);

		env.setParallelism(params.getInt("parallelism", 1));

		// get input data
		DataStream<String> streamSource;
		if (params.has(TwitterSource.CONSUMER_KEY) &&
				params.has(TwitterSource.CONSUMER_SECRET) &&
				params.has(TwitterSource.TOKEN) &&
				params.has(TwitterSource.TOKEN_SECRET)
				) {
			streamSource = env.addSource(new TwitterSource(params.getProperties()));
		} else {
			System.out.println("Executing TwitterStream example with default props.");
			System.out.println("Use --twitter-source.consumerKey <key> --twitter-source.consumerSecret <secret> " +
					"--twitter-source.token <token> --twitter-source.tokenSecret <tokenSecret> specify the authentication info.");
			// get default test text data
			streamSource = env.fromElements(TwitterExampleData.TEXTS);
		}

		DataStream<Tuple2<String, Integer>> tweets = streamSource
				// selecting English tweets and splitting to (word, 1)
				.flatMap(new SelectEnglishAndTokenizeFlatMap())
				// group by words and sum their occurrences
				.keyBy(0).sum(1);

		// emit result
		if (params.has("output")) {
			tweets.writeAsText(params.get("output"));
		} else {
			System.out.println("Printing result to stdout. Use --output to specify output path.");
			tweets.print();
		}

		// execute program
		env.execute("Twitter Streaming Example");
	}
846702
def _get_vqa_v2_annotations(directory,
                            annotation_url,
                            annotation_filename="vqa_v2.tar.gz"):
  """"""
  annotation_file = generator_utils.maybe_download_from_drive(
      directory, annotation_filename, annotation_url)
  with tarfile.open(annotation_file, "r:gz") as annotation_tar:
    annotation_tar.extractall(directory)
371595
def main(lang="en", output_dir=None, n_iter=25):
    
    nlp = spacy.blank(lang)
    # add the tagger to the pipeline
    # nlp.create_pipe works for built-ins that are registered with spaCy
    tagger = nlp.create_pipe("tagger")
    # Add the tags. This needs to be done before you start training.
    for tag, values in TAG_MAP.items():
        tagger.add_label(tag, values)
    nlp.add_pipe(tagger)

    optimizer = nlp.begin_training()
    for i in range(n_iter):
        random.shuffle(TRAIN_DATA)
        losses = {}
        # batch up the examples using spaCy's minibatch
        batches = minibatch(TRAIN_DATA, size=compounding(4.0, 32.0, 1.001))
        for batch in batches:
            texts, annotations = zip(*batch)
            nlp.update(texts, annotations, sgd=optimizer, losses=losses)
        print("Losses", losses)

    # test the trained model
    test_text = "I like blue eggs"
    doc = nlp(test_text)
    print("Tags", [(t.text, t.tag_, t.pos_) for t in doc])

    # save model to output directory
    if output_dir is not None:
        output_dir = Path(output_dir)
        if not output_dir.exists():
            output_dir.mkdir()
        nlp.to_disk(output_dir)
        print("Saved model to", output_dir)

        # test the save model
        print("Loading from", output_dir)
        nlp2 = spacy.load(output_dir)
        doc = nlp2(test_text)
        print("Tags", [(t.text, t.tag_, t.pos_) for t in doc])
991326
function(hljs) {
  var ANNOTATION = {
    className: 'annotation', begin: '@[A-Za-z]+'
  };
  var STRING = {
    className: 'string',
    begin: 'u?r?"""', end: '"""',
    relevance: 10
  };
  var SYMBOL = {
    className: 'symbol',
    begin: '\'\\w[\\w\\d_]*(?!\')'
  };
  return {
    keywords:
      'type yield lazy override def with val var false true sealed abstract private trait ' +
      'object null if for while throw finally protected extends import final return else ' +
      'break new catch super class case package default try this match continue throws',
    contains: [
      {
        className: 'javadoc',
        begin: '/\\*\\*', end: '\\*/',
        contains: [{
          className: 'javadoctag',
          begin: '@[A-Za-z]+'
        }],
        relevance: 10
      },
      hljs.C_LINE_COMMENT_MODE, hljs.C_BLOCK_COMMENT_MODE,
      STRING, hljs.QUOTE_STRING_MODE,
      SYMBOL,
      {
        className: 'class',
        begin: '((case )?class |object |trait )', // beginKeywords won't work because a single "case" shouldn't start this mode
        end: '({|$)', excludeEnd: true,
        illegal: ':',
        keywords: 'case class trait object',
        contains: [
          {
            beginKeywords: 'extends with',
            relevance: 10
          },
          hljs.UNDERSCORE_TITLE_MODE,
          {
            className: 'params',
            begin: '\\(', end: '\\)',
            contains: [
              hljs.QUOTE_STRING_MODE, STRING,
              ANNOTATION
            ]
          }
        ]
      },
      hljs.C_NUMBER_MODE,
      ANNOTATION
    ]
  };
}
408145
function Annotation($text, $x = 0, $y = 0, $icon = 'Note', $author = '', $subject = '', $opacity = 0, $colarray = false, $popup = '', $file = '')
	{
		if (is_array($colarray) && count($colarray) == 3) {
			$colarray = $this->colorConverter->convert('rgb(' . $colarray[0] . ',' . $colarray[1] . ',' . $colarray[2] . ')', $this->PDFAXwarnings);
		}
		if ($colarray === false) {
			$colarray = $this->colorConverter->convert('yellow', $this->PDFAXwarnings);
		}
		if ($x == 0) {
			$x = $this->x;
		}
		if ($y == 0) {
			$y = $this->y;
		}
		$page = $this->page;
		if ($page < 1) { // Document has not been started - assume it's for first page
			$page = 1;
			if ($x == 0) {
				$x = $this->lMargin;
			}
			if ($y == 0) {
				$y = $this->tMargin;
			}
		}

		if ($this->PDFA || $this->PDFX) {
			if (($this->PDFA && !$this->PDFAauto) || ($this->PDFX && !$this->PDFXauto)) {
				$this->PDFAXwarnings[] = "Annotation markers cannot be semi-transparent in PDFA1-b or PDFX/1-a, so they may make underlying text unreadable. (Annotation markers moved to right margin)";
			}
			$x = ($this->w) - $this->rMargin * 0.66;
		}
		if (!$this->annotMargin) {
			$y -= $this->FontSize / 2;
		}

		if (!$opacity && $this->annotMargin) {
			$opacity = 1;
		} elseif (!$opacity) {
			$opacity = $this->annotOpacity;
		}

		$an = ['txt' => $text, 'x' => $x, 'y' => $y, 'opt' => ['Icon' => $icon, 'T' => $author, 'Subj' => $subject, 'C' => $colarray, 'CA' => $opacity, 'popup' => $popup, 'file' => $file]];

		if ($this->keep_block_together) { // don't write yet
			return;
		} elseif ($this->table_rotate) {
			$this->tbrot_Annots[$this->page][] = $an;
			return;
		} elseif ($this->kwt) {
			$this->kwt_Annots[$this->page][] = $an;
			return;
		}

		if ($this->writingHTMLheader || $this->writingHTMLfooter) {
			$this->HTMLheaderPageAnnots[] = $an;
			return;
		}

		// Put an Annotation on the page
		$this->PageAnnots[$page][] = $an;

		/* -- COLUMNS -- */
		// Save cross-reference to Column buffer
		$ref = isset($this->PageAnnots[$this->page]) ? (count($this->PageAnnots[$this->page]) - 1) : -1;
		$this->columnAnnots[$this->CurrCol][intval($this->x)][intval($this->y)] = $ref;
		/* -- END COLUMNS -- */
	}
565094
private String getAnnotations(Annotate annotator, String stringFromClient)
      throws JDOMException, IOException {
    // get a breader from the string coming from the client
    BufferedReader clientReader = new BufferedReader(
        new StringReader(stringFromClient));
    KAFDocument kaf = KAFDocument.createFromStream(clientReader);
    KAFDocument.LinguisticProcessor newLp = kaf.addLinguisticProcessor(
        "entities", "ixa-pipe-nerc-" + Files.getNameWithoutExtension(model),
        version + "-" + commit);
    newLp.setBeginTimestamp();
    annotator.annotateNEsToKAF(kaf);
    // get outputFormat
    String kafToString = null;
    if (outputFormat.equalsIgnoreCase("conll03")) {
      kafToString = annotator.annotateNEsToCoNLL2003(kaf);
    } else if (outputFormat.equalsIgnoreCase("conll02")) {
      kafToString = annotator.annotateNEsToCoNLL2002(kaf);
    } else {
      newLp.setEndTimestamp();
      kafToString = kaf.toString();
    }
    return kafToString;
  }
1032469
public final void annotationArray() throws RecognitionException {
		try {
			// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:209:3: ( LEFT_CURLY ( annotationValue ( COMMA annotationValue )* )? RIGHT_CURLY )
			// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:209:6: LEFT_CURLY ( annotationValue ( COMMA annotationValue )* )? RIGHT_CURLY
			{
			match(input,LEFT_CURLY,FOLLOW_LEFT_CURLY_in_annotationArray1071); if (state.failed) return;
			// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:209:17: ( annotationValue ( COMMA annotationValue )* )?
			int alt23=2;
			int LA23_0 = input.LA(1);
			if ( (LA23_0==BOOL||(LA23_0 >= DECIMAL && LA23_0 <= DECR)||LA23_0==FLOAT||LA23_0==HEX||(LA23_0 >= ID && LA23_0 <= INCR)||(LA23_0 >= LEFT_CURLY && LA23_0 <= LESS)||LA23_0==MINUS||LA23_0==NEGATION||LA23_0==NULL||LA23_0==PLUS||(LA23_0 >= STAR && LA23_0 <= TIME_INTERVAL)) ) {
				alt23=1;
			}
			switch (alt23) {
				case 1 :
					// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:209:19: annotationValue ( COMMA annotationValue )*
					{
					pushFollow(FOLLOW_annotationValue_in_annotationArray1075);
					annotationValue();
					state._fsp--;
					if (state.failed) return;
					// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:209:35: ( COMMA annotationValue )*
					loop22:
					while (true) {
						int alt22=2;
						int LA22_0 = input.LA(1);
						if ( (LA22_0==COMMA) ) {
							alt22=1;
						}

						switch (alt22) {
						case 1 :
							// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:209:37: COMMA annotationValue
							{
							match(input,COMMA,FOLLOW_COMMA_in_annotationArray1079); if (state.failed) return;
							pushFollow(FOLLOW_annotationValue_in_annotationArray1081);
							annotationValue();
							state._fsp--;
							if (state.failed) return;
							}
							break;

						default :
							break loop22;
						}
					}

					}
					break;

			}

			match(input,RIGHT_CURLY,FOLLOW_RIGHT_CURLY_in_annotationArray1089); if (state.failed) return;
			}

		}

		catch (RecognitionException re) {
		    throw re;
		}

		finally {
			// do for sure before leaving
		}
	}