Example usage for org.eclipse.jdt.core.dom.rewrite ASTRewrite setTargetSourceRangeComputer

Introduction

In this page you can find the example usage for org.eclipse.jdt.core.dom.rewrite ASTRewrite setTargetSourceRangeComputer.

Prototype

public final void setTargetSourceRangeComputer(TargetSourceRangeComputer computer) 

Source Link

Document

Sets a custom target source range computer for this AST rewriter.

Usage

From source file:org.eclipse.emf.codegen.merge.java.facade.ast.ASTFacadeHelper.java

License:Open Source License

@Override
public ASTJCompilationUnit createCompilationUnit(String name, String contents) {
    // set source
    char[] contentAsCharArray = contents.toCharArray();
    ASTParser astParser = createASTParser();
    astParser.setSource(contentAsCharArray);

    // parse/*from w  w w  .j  a  va2  s.  c  om*/
    CompilationUnit astCompilationUnit = (CompilationUnit) astParser.createAST(null);

    Diagnostic diagnostic = analyzeCompilationUnit(astCompilationUnit, contents);
    if (diagnostic != Diagnostic.OK_INSTANCE) {
        StringBuilder message = new StringBuilder(diagnostic.getMessage());
        for (Diagnostic childDiagnostic : diagnostic.getChildren()) {
            message.append("\n\t").append(childDiagnostic.getMessage());
        }
        message.append(contents);
        CodeGenPlugin.INSTANCE.log(message.toString());

        if (diagnostic.getSeverity() == Diagnostic.ERROR) {
            throw new WrappedException(new DiagnosticException(diagnostic));
        }
    }

    // create rewriter to record changes
    ASTRewrite rewriter = ASTRewrite.create(astCompilationUnit.getAST());

    // keep comments between nodes when removing or moving nodes
    rewriter.setTargetSourceRangeComputer(new CommentAwareSourceRangeComputer(astCompilationUnit, contents));

    // set properties
    astCompilationUnit.setProperty(ASTJCompilationUnit.NAME_PROPERTY, name);

    // create JNode and set properties
    ASTJCompilationUnit compilationUnit = (ASTJCompilationUnit) convertToNode(astCompilationUnit);
    compilationUnit.setOriginalContents(contentAsCharArray);
    compilationUnit.setRewriter(rewriter);

    return compilationUnit;
}

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