Example usage for org.eclipse.jdt.core.dom CompilationUnit setSourceRange

Introduction

In this page you can find the example usage for org.eclipse.jdt.core.dom CompilationUnit setSourceRange.

Prototype

public final void setSourceRange(int startPosition, int length) 

Source Link

Document

Sets the source range of the original source file where the source fragment corresponding to this node was found.

Usage

From source file:org.eclipse.jdt.core.dom.ASTConverter.java

License:Open Source License

public CompilationUnit convert(org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration unit,
        char[] source) {
    try {/*from  w  w w. j a  va  2s  .co m*/
        if (unit.compilationResult.recoveryScannerData != null) {
            RecoveryScanner recoveryScanner = new RecoveryScanner(this.scanner,
                    unit.compilationResult.recoveryScannerData.removeUnused());
            this.scanner = recoveryScanner;
            this.docParser.scanner = this.scanner;
        }
        this.compilationUnitSource = source;
        this.compilationUnitSourceLength = source.length;
        this.scanner.setSource(source, unit.compilationResult);
        // GROOVY start
        /* old {
        CompilationUnit compilationUnit = new CompilationUnit(this.ast);
         } new */
        CompilationUnit compilationUnit = unit.getSpecialDomCompilationUnit(this.ast);
        if (compilationUnit == null) {
            compilationUnit = new CompilationUnit(this.ast);
        }
        // GROOVY end
        compilationUnit.setStatementsRecoveryData(unit.compilationResult.recoveryScannerData);

        // Parse comments
        int[][] comments = unit.comments;
        if (comments != null) {
            buildCommentsTable(compilationUnit, comments);
        }

        // handle the package declaration immediately
        // There is no node corresponding to the package declaration
        if (this.resolveBindings) {
            recordNodes(compilationUnit, unit);
        }
        if (unit.currentPackage != null) {
            PackageDeclaration packageDeclaration = convertPackage(unit);
            compilationUnit.setPackage(packageDeclaration);
        }
        org.eclipse.jdt.internal.compiler.ast.ImportReference[] imports = unit.imports;
        if (imports != null) {
            int importLength = imports.length;
            for (int i = 0; i < importLength; i++) {
                compilationUnit.imports().add(convertImport(imports[i]));
            }
        }

        org.eclipse.jdt.internal.compiler.ast.TypeDeclaration[] types = unit.types;
        if (types != null) {
            int typesLength = types.length;
            for (int i = 0; i < typesLength; i++) {
                org.eclipse.jdt.internal.compiler.ast.TypeDeclaration declaration = types[i];
                if (CharOperation.equals(declaration.name, TypeConstants.PACKAGE_INFO_NAME)) {
                    continue;
                }
                ASTNode type = convert(declaration);
                if (type == null) {
                    compilationUnit.setFlags(compilationUnit.getFlags() | ASTNode.MALFORMED);
                } else {
                    compilationUnit.types().add(type);
                }
            }
        }
        compilationUnit.setSourceRange(unit.sourceStart, unit.sourceEnd - unit.sourceStart + 1);

        int problemLength = unit.compilationResult.problemCount;
        if (problemLength != 0) {
            CategorizedProblem[] resizedProblems = null;
            final CategorizedProblem[] problems = unit.compilationResult.getProblems();
            final int realProblemLength = problems.length;
            if (realProblemLength == problemLength) {
                resizedProblems = problems;
            } else {
                System.arraycopy(problems, 0, (resizedProblems = new CategorizedProblem[realProblemLength]), 0,
                        realProblemLength);
            }
            ASTSyntaxErrorPropagator syntaxErrorPropagator = new ASTSyntaxErrorPropagator(resizedProblems);
            compilationUnit.accept(syntaxErrorPropagator);
            ASTRecoveryPropagator recoveryPropagator = new ASTRecoveryPropagator(resizedProblems,
                    unit.compilationResult.recoveryScannerData);
            compilationUnit.accept(recoveryPropagator);
            compilationUnit.setProblems(resizedProblems);
        }
        if (this.resolveBindings) {
            lookupForScopes();
        }
        compilationUnit.initCommentMapper(this.scanner);
        return compilationUnit;
    } catch (IllegalArgumentException e) {
        StringBuffer message = new StringBuffer("Exception occurred during compilation unit conversion:"); //$NON-NLS-1$
        String lineDelimiter = Util.findLineSeparator(source);
        if (lineDelimiter == null)
            lineDelimiter = System.getProperty("line.separator");//$NON-NLS-1$
        message.append(lineDelimiter);
        message.append(
                "----------------------------------- SOURCE BEGIN -------------------------------------"); //$NON-NLS-1$
        message.append(lineDelimiter);
        message.append(source);
        message.append(lineDelimiter);
        message.append("----------------------------------- SOURCE END -------------------------------------"); //$NON-NLS-1$
        Util.log(e, message.toString());
        throw e;
    }
}

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