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    <p>According to this <a href="http://www.ibm.com/developerworks/opensource/library/os-ast/" rel="nofollow noreferrer">old article</a>, you should be able to call AST parser independently of your application context (eclipse plugin or not).</p> <pre><code>ASTParser parser = ASTParser.newParser(AST.JLS2); parser.setSource("".toCharArray()); CompilationUnit unit = (CompilationUnit) parser.createAST(null); unit.recordModifications(); AST ast = unit.getAST(); </code></pre> <p><a href="http://www.ibm.com/developerworks/opensource/library/os-ast/astexplorer.gif" rel="nofollow noreferrer">alt text http://www.ibm.com/developerworks/opensource/library/os-ast/astexplorer.gif</a></p> <hr> <p>From this <a href="https://bugs.eclipse.org/bugs/show_bug.cgi?id=87852" rel="nofollow noreferrer">bug entry</a>:</p> <p>ASTParser in 3.0 can be used in another standalone program to create Eclipse ASTs without actually running Eclipse. As the documentation says:</p> <pre><code> char[] source = ...; ASTParser parser = ASTParser.newParser(AST.JLS2); // handles JLS2 (J2SE 1.4) parser.setSource(source); CompilationUnit result = (CompilationUnit) parser.createAST(null); </code></pre> <p>Hence <a href="http://dev.eclipse.org/mhonarc/lists/jdt-dev/msg00370.html" rel="nofollow noreferrer">this thread</a> attempts to parse a very short java source:</p> <pre><code>import org.eclipse.jdt.core.dom.*; import org.eclipse.jface.text.Document; import org.eclipse.text.edits.TextEdit; public class Test{ public static void main(String[] args){ Test t= new Test(); t.runtest(); } void runtest(){ Document doc = new Document("import java.util.List;\nclass X {}\n"); ASTParser parser = ASTParser.newParser(AST.JLS3); parser.setResolveBindings(true); parser.setSource(doc.get().toCharArray()); CompilationUnit cu = (CompilationUnit) parser.createAST(null); cu.recordModifications(); AST ast = cu.getAST(); ImportDeclaration id = ast.newImportDeclaration(); id.setName(ast.newName(new String[] {"java", "util", "Set"})); cu.imports().add(id); // add import declaration at end TextEdit edits = cu.rewrite(doc, null); } } </code></pre>
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    1. POHow can I use the java Eclipse Abstract Syntax Tree in a project outside Eclipse? (ie not an eclipse plugin)
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    1. COThat is so old you can't get it to work anymore
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