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Removed strings, now compilation units are used instead across the co…
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src/main/java/org/ucombinator/jaam/visualizer/codeView/CodeAreaGenerator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,157 @@ | ||
| package org.ucombinator.jaam.visualizer.codeView; | ||
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| import java.util.Collection; | ||
| import java.util.Collections; | ||
| import java.util.regex.Matcher; | ||
| import java.util.regex.Pattern; | ||
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| import com.strobel.decompiler.languages.java.ast.*; | ||
| import javafx.application.Application; | ||
| import javafx.scene.Node; | ||
| import javafx.scene.Scene; | ||
| import javafx.scene.layout.StackPane; | ||
| import javafx.stage.Stage; | ||
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| import org.fxmisc.flowless.VirtualizedScrollPane; | ||
| import org.fxmisc.richtext.CodeArea; | ||
| import org.fxmisc.richtext.LineNumberFactory; | ||
| import org.fxmisc.richtext.model.StyleSpans; | ||
| import org.fxmisc.richtext.model.StyleSpansBuilder; | ||
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| public class CodeAreaGenerator { | ||
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| public StackPane generateCodeArea() | ||
| { | ||
| String text = sampleCode; | ||
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| CodeArea codeArea = new CodeArea(); | ||
| codeArea.setParagraphGraphicFactory(LineNumberFactory.get(codeArea)); | ||
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| codeArea.richChanges() | ||
| .filter(ch -> !ch.getInserted().equals(ch.getRemoved())) // XXX | ||
| .subscribe(change -> { | ||
| codeArea.setStyleSpans(0, computeHighlighting(codeArea.getText())); | ||
| }); | ||
| codeArea.replaceText(0, 0, sampleCode); | ||
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| codeArea.setMaxHeight(Double.MAX_VALUE); | ||
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| VirtualizedScrollPane scrollPane = new VirtualizedScrollPane(codeArea); | ||
| scrollPane.setMaxHeight(Double.MAX_VALUE); | ||
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| StackPane result = new StackPane(scrollPane); | ||
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| result.setMaxWidth(Double.MAX_VALUE); | ||
| result.setMaxHeight(Double.MAX_VALUE); | ||
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| return result; | ||
| } | ||
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| public void addClass(CompilationUnit unit) | ||
| { | ||
| AstNodeCollection<TypeDeclaration> types = unit.getTypes(); | ||
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| assert types.size() == 1; | ||
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| TypeDeclaration typeDeclaration = types.firstOrNullObject(); | ||
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| typeDeclaration.getText(); | ||
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| String className = typeDeclaration.getName(); | ||
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| System.out.println("JUAN " + className); | ||
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| System.out.println("PACK " + unit.getPackage().getName()); | ||
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| for(AstNode i: typeDeclaration.getChildrenByRole(Roles.TYPE_MEMBER)) | ||
| { | ||
| EntityDeclaration entity = (EntityDeclaration)i; | ||
| System.out.println(i.getRole() + " " + i.getClass() + " " + entity.getName() + " " + entity.getEntityType()); | ||
| } | ||
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| //String className = getClassName(unit); | ||
| //graph.addClass(className, unit.getText()); | ||
| } | ||
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| private static final String[] KEYWORDS = new String[] { | ||
| "abstract", "assert", "boolean", "break", "byte", | ||
| "case", "catch", "char", "class", "const", | ||
| "continue", "default", "do", "double", "else", | ||
| "enum", "extends", "final", "finally", "float", | ||
| "for", "goto", "if", "implements", "import", | ||
| "instanceof", "int", "interface", "long", "native", | ||
| "new", "package", "private", "protected", "public", | ||
| "return", "short", "static", "strictfp", "super", | ||
| "switch", "synchronized", "this", "throw", "throws", | ||
| "transient", "try", "void", "volatile", "while" | ||
| }; | ||
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| private static final String KEYWORD_PATTERN = "\\b(" + String.join("|", KEYWORDS) + ")\\b"; | ||
| private static final String PAREN_PATTERN = "\\(|\\)"; | ||
| private static final String BRACE_PATTERN = "\\{|\\}"; | ||
| private static final String BRACKET_PATTERN = "\\[|\\]"; | ||
| private static final String SEMICOLON_PATTERN = "\\;"; | ||
| private static final String STRING_PATTERN = "\"([^\"\\\\]|\\\\.)*\""; | ||
| private static final String COMMENT_PATTERN = "//[^\n]*" + "|" + "/\\*(.|\\R)*?\\*/"; | ||
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| private static final Pattern PATTERN = Pattern.compile( | ||
| "(?<KEYWORD>" + KEYWORD_PATTERN + ")" | ||
| + "|(?<PAREN>" + PAREN_PATTERN + ")" | ||
| + "|(?<BRACE>" + BRACE_PATTERN + ")" | ||
| + "|(?<BRACKET>" + BRACKET_PATTERN + ")" | ||
| + "|(?<SEMICOLON>" + SEMICOLON_PATTERN + ")" | ||
| + "|(?<STRING>" + STRING_PATTERN + ")" | ||
| + "|(?<COMMENT>" + COMMENT_PATTERN + ")" | ||
| ); | ||
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| private static final String sampleCode = String.join("\n", new String[] { | ||
| "package com.example;", | ||
| "", | ||
| "import java.util.*;", | ||
| "", | ||
| "public class Foo extends Bar implements Baz {", | ||
| "", | ||
| " /*", | ||
| " * multi-line comment", | ||
| " */", | ||
| " public static void main(String[] args) {", | ||
| " // single-line comment", | ||
| " for(String arg: args) {", | ||
| " if(arg.length() != 0)", | ||
| " System.out.println(arg);", | ||
| " else", | ||
| " System.err.println(\"Warning: empty string as argument\");", | ||
| " }", | ||
| " }", | ||
| "", | ||
| "}" | ||
| }); | ||
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| private static StyleSpans<Collection<String>> computeHighlighting(String text) { | ||
| Matcher matcher = PATTERN.matcher(text); | ||
| int lastKwEnd = 0; | ||
| StyleSpansBuilder<Collection<String>> spansBuilder | ||
| = new StyleSpansBuilder<>(); | ||
| while(matcher.find()) { | ||
| String styleClass = | ||
| matcher.group("KEYWORD") != null ? "keyword" : | ||
| matcher.group("PAREN") != null ? "paren" : | ||
| matcher.group("BRACE") != null ? "brace" : | ||
| matcher.group("BRACKET") != null ? "bracket" : | ||
| matcher.group("SEMICOLON") != null ? "semicolon" : | ||
| matcher.group("STRING") != null ? "string" : | ||
| matcher.group("COMMENT") != null ? "comment" : | ||
| null; /* never happens */ assert styleClass != null; | ||
| spansBuilder.add(Collections.emptyList(), matcher.start() - lastKwEnd); | ||
| spansBuilder.add(Collections.singleton(styleClass), matcher.end() - matcher.start()); | ||
| lastKwEnd = matcher.end(); | ||
| } | ||
| spansBuilder.add(Collections.emptyList(), text.length() - lastKwEnd); | ||
| return spansBuilder.create(); | ||
| } | ||
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| } |
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