Package com.strobel.decompiler.ast

Examples of com.strobel.decompiler.ast.Variable

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            _result.remove();
        }

        @Override
        public Void visitIdentifierExpression(final IdentifierExpression node, final Void _) {
            final Variable variable = node.getUserData(Keys.VARIABLE);

            if (variable != null && variable.isParameter()) {
                final ParameterDefinition parameter = variable.getOriginalParameter();

                if (areMethodsEquivalent((MethodReference) parameter.getMethod(), context.getCurrentMethod())) {
                    final AstNode replacement = _argumentMappings.get(parameter);

                    if (replacement != null) {
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            final Expression left = node.getLeft();
            final Expression right = node.getRight();

            if (left instanceof MemberReferenceExpression) {
                if (right instanceof IdentifierExpression) {
                    final Variable variable = right.getUserData(Keys.VARIABLE);

                    if (variable == null || !variable.isParameter()) {
                        return null;
                    }

                    final MemberReferenceExpression memberReference = (MemberReferenceExpression) left;
                    final MemberReference member = memberReference.getUserData(Keys.MEMBER_REFERENCE);

                    if (member instanceof FieldReference &&
                        memberReference.getTarget() instanceof ThisReferenceExpression) {

                        final FieldDefinition resolvedField = ((FieldReference) member).resolve();

                        if (resolvedField != null && resolvedField.isSynthetic()) {
                            final ParameterDefinition parameter = variable.getOriginalParameter();
                            final int parameterIndex = parameter.getPosition();

                            if (parameterIndex >= 0 && parameterIndex < _originalArguments.size()) {
                                final Expression argument = _originalArguments.get(parameterIndex);

                                if (argument != null) {
                                    _nodesToRemove.add(argument);
                                }

                                if (argument instanceof ThisReferenceExpression) {
                                    //
                                    // Don't replace outer class references; they will be rewritten later.
                                    //
                                    markConstructorParameterForRemoval(node, parameter);
                                    return null;
                                }

                                _parametersToRemove.add(parameter);

                                final String fullName = member.getFullName();

                                if (!hasSideEffects(argument)) {
                                    _replacements.put(fullName, argument);
                                }
                                else {
                                    context.getForcedVisibleMembers().add(resolvedField);
                                    _initializers.put(fullName, argument);
                                }

                                if (node.getParent() instanceof ExpressionStatement) {
                                    _nodesToRemove.add(node.getParent());
                                }

                                markConstructorParameterForRemoval(node, parameter);
                            }
                        }
                        else if (_baseConstructorCalled &&
                                 resolvedField != null &&
                                 context.getCurrentMethod().isConstructor() &&
                                 (!context.getCurrentMethod().isSynthetic() ||
                                  context.getSettings().getShowSyntheticMembers())) {

                            final MemberReferenceExpression leftMemberReference = (MemberReferenceExpression) left;
                            final MemberReference leftMember = leftMemberReference.getUserData(Keys.MEMBER_REFERENCE);
                            final Variable rightVariable = right.getUserData(Keys.VARIABLE);

                            if (rightVariable.isParameter()) {
                                final ParameterDefinition parameter = variable.getOriginalParameter();
                                final int parameterIndex = parameter.getPosition();

                                if (parameterIndex >= 0 && parameterIndex < _originalArguments.size()) {
                                    final Expression argument = _originalArguments.get(parameterIndex);
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    @Override
    public boolean matches(final INode other, final Match match) {
        if (other instanceof IdentifierExpression) {
            final IdentifierExpression identifier = (IdentifierExpression) other;
            final Variable variable = identifier.getUserData(Keys.VARIABLE);

            if (variable != null &&
                variable.isParameter() &&
                variable.getOriginalParameter().getPosition() == _parameterPosition) {

                if (_groupName != null) {
                    match.add(_groupName, identifier);
                }
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    }

    private Object getCurrentLocalReference() {
        final AstNode node = nodeStack.peek();

        Variable variable = node.getUserData(Keys.VARIABLE);

        if (variable == null && node instanceof Identifier && node.getParent() != null) {
            variable = node.getParent().getUserData(Keys.VARIABLE);
        }

        if (variable != null) {
            if (variable.isParameter()) {
                return variable.getOriginalParameter();
            }
            return variable.getOriginalVariable();
        }

        return null;
    }
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        if (parameter != null) {
            return parameter;
        }

        if (node instanceof VariableInitializer || node instanceof CatchClause/* || node instanceof ForEachStatement*/) {
            Variable variable = node.getUserData(Keys.VARIABLE);

            if (variable == null && node.getParent() instanceof VariableDeclarationStatement) {
                variable = node.getParent().getUserData(Keys.VARIABLE);
            }

            if (variable != null) {
                if (variable.getOriginalParameter() != null) {
                    return variable.getOriginalParameter();
                }

                return variable.getOriginalVariable();
            }
        }

        if (node instanceof LabelStatement) {
            final LabelStatement label = (LabelStatement) node;
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                if (declaration == null) {
                    return null;
                }

                final Variable underlyingVariable = declaration.getUserData(Keys.VARIABLE);

                if (underlyingVariable == null || underlyingVariable.isParameter()) {
                    return null;
                }

                if (variableType == null) {
                    variableType = underlyingVariable.getType();
                }
                else if (!variableType.equals(underlyingVariable.getType())) {
                    variableType = underlyingVariable.getType();
                    firstInlinableInitializer = null;
                }

                if (!(declaration.getParent() instanceof BlockStatement)) {
                    return null;
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        while (current != null) {
            while (current.getPreviousSibling() != null) {
                current = current.getPreviousSibling();
                if (current instanceof VariableDeclarationStatement) {
                    final VariableDeclarationStatement variableDeclaration = (VariableDeclarationStatement) current;
                    final Variable variable = variableDeclaration.getUserData(Keys.VARIABLE);

                    if (variable != null && StringUtilities.equals(variable.getName(), identifier)) {
                        return variableDeclaration;
                    }

                    if (variableDeclaration.getVariables().size() == 1 &&
                        StringUtilities.equals(variableDeclaration.getVariables().firstOrNullObject().getName(), identifier)) {
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        return true;
    }

    @Override
    public Void visitIdentifierExpression(final IdentifierExpression node, final Void data) {
        final Variable variable = node.getUserData(Keys.VARIABLE);

        if (variable != null &&
            variable.isParameter() &&
            _parametersToRemove.contains(variable.getOriginalParameter())) {

            final TypeReference parameterType = variable.getOriginalParameter().getParameterType();

            if (!MetadataResolver.areEquivalent(context.getCurrentType(), parameterType) &&
                isContextWithinTypeInstance(parameterType)) {

                final TypeDefinition resolvedType = parameterType.resolve();
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            final Expression left = node.getLeft();
            final Expression right = node.getRight();

            if (left instanceof MemberReferenceExpression) {
                if (right instanceof IdentifierExpression) {
                    final Variable variable = right.getUserData(Keys.VARIABLE);

                    if (variable == null || !variable.isParameter()) {
                        return null;
                    }

                    final MemberReferenceExpression memberReference = (MemberReferenceExpression) left;
                    final MemberReference member = memberReference.getUserData(Keys.MEMBER_REFERENCE);

                    if (member instanceof FieldReference &&
                        memberReference.getTarget() instanceof ThisReferenceExpression) {

                        final FieldDefinition resolvedField = ((FieldReference) member).resolve();

                        if (resolvedField != null &&
                            resolvedField.isSynthetic() &&
                            MetadataResolver.areEquivalent(resolvedField.getFieldType(), currentType.getDeclaringType())) {

                            final ParameterDefinition parameter = variable.getOriginalParameter();

                            _parametersToRemove.add(parameter);

                            final ConstructorDeclaration constructorDeclaration = (ConstructorDeclaration) firstOrDefault(
                                node.getAncestorsAndSelf(),
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    @SuppressWarnings("ConstantConditions")
    public void run(final AstNode node) {
        run(node, null);

        for (final VariableToDeclare v : variablesToDeclare) {
            final Variable variable = v.getVariable();
            final AssignmentExpression replacedAssignment = v.getReplacedAssignment();

            if (replacedAssignment == null) {
                final BlockStatement block = (BlockStatement) v.getInsertionPoint().getParent();
                final AnalysisResult analysisResult = analyze(v, block);
                final VariableDeclarationStatement declaration = new VariableDeclarationStatement(v.getType().clone(), v.getName());

                if (variable != null) {
                    declaration.getVariables().firstOrNullObject().putUserData(Keys.VARIABLE, variable);
                }

                if (analysisResult.isSingleAssignment) {
                    declaration.addModifier(Modifier.FINAL);
                }
                else if (analysisResult.needsInitializer && variable != null) {
                    declaration.getVariables().firstOrNullObject().setInitializer(
                        AstBuilder.makeDefaultValue(variable.getType())
                    );
                }

                Statement insertionPoint = v.getInsertionPoint();

                while (insertionPoint.getPreviousSibling() instanceof LabelStatement) {
                    insertionPoint = (Statement) insertionPoint.getPreviousSibling();
                }

                block.getStatements().insertBefore(insertionPoint, declaration);
            }
        }

        //
        // Do all the insertions before the replacements.  This is necessary because a replacement
        // might remove our reference point from the AST.
        //

        for (final VariableToDeclare v : variablesToDeclare) {
            final Variable variable = v.getVariable();
            final AssignmentExpression replacedAssignment = v.getReplacedAssignment();

            if (replacedAssignment != null) {
                final VariableInitializer initializer = new VariableInitializer(v.getName());
                final Expression right = replacedAssignment.getRight();
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Related Classes of com.strobel.decompiler.ast.Variable

  • com.strobel.assembler.metadata.ParameterDefinition
  • com.strobel.assembler.metadata.VariableDefinition
  • com.strobel.decompiler.DecompilerHelpers
  • com.strobel.decompiler.languages.java.analysis.Correlator
  • com.strobel.decompiler.languages.java.ast.InliningHelper$InliningVisitor
  • com.strobel.decompiler.languages.java.ast.JavaNameResolver$FindDeclarationVisitor
  • com.strobel.decompiler.languages.java.ast.JavaResolver$ResolveVisitor
  • com.strobel.decompiler.languages.java.ast.LocalClassHelper$ClosureRewriterPhaseOneVisitor
  • com.strobel.decompiler.languages.java.ast.LocalClassHelper$PhaseOneVisitor
  • com.strobel.decompiler.languages.java.ast.transforms.ConvertLoopsTransform
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