Example usage for org.eclipse.jdt.core.dom Expression toString

Introduction

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

Prototype

@Override
public final String toString() 

Source Link

Document

Returns a string representation of this node suitable for debugging purposes only.

Usage

From source file:changetypes.ASTVisitorAtomicChange.java

License:Open Source License

public boolean visit(IfStatement node) {
    Statement thenStmt = node.getThenStatement();
    Statement elseStmt = node.getElseStatement();
    Expression condExpr = node.getExpression();

    String thenStr = thenStmt.toString().replace('\n', ' ');
    String elseStr = "";
    if (elseStmt != null) {
        elseStr = elseStmt.toString().replace('\n', ' ');
    }//from w  w  w  .ja v  a  2 s. com
    if (this.mtbStack.isEmpty()) {
        return true;
    }
    IMethodBinding mtb = (IMethodBinding) this.mtbStack.peek();
    String methodStr = getQualifiedName(mtb);
    String condStr = condExpr.toString();

    condStr = edit_str(condStr);
    thenStr = edit_str(thenStr);
    elseStr = edit_str(elseStr);
    try {
        this.facts.add(Fact.makeConditionalFact(condStr, thenStr, elseStr, methodStr));
    } catch (Exception e) {
        System.err.println("Cannot resolve conditional \"" + condExpr.toString() + "\"");
        System.out.println("ifStmt: " + thenStr);
        System.out.println("elseStmt: " + elseStr);
        System.err.println(e.getMessage());
    }
    return true;
}

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From source file:changetypes.ASTVisitorAtomicChange.java

License:Open Source License

public boolean visit(CastExpression node) {
    if (this.mtbStack.isEmpty()) {
        return true;
    }//from  w  w w. j a v  a2s. co  m
    Expression expression = node.getExpression();
    ITypeBinding type = node.getType().resolveBinding();
    IMethodBinding mtb = (IMethodBinding) this.mtbStack.peek();
    String exprStr = expression.toString();
    String typeStr = getQualifiedName(type);
    String methodStr = getQualifiedName(mtb);

    exprStr = edit_str(exprStr);

    this.facts.add(Fact.makeCastFact(exprStr, typeStr, methodStr));

    return true;
}

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From source file:com.crispico.flower.mp.codesync.code.java.adapter.JavaAbstractAstNodeModelAdapter.java

License:Open Source License

protected String getStringFromExpression(Expression expression) {
    if (expression == null) {
        return null;
    }/*from ww  w .  j a  va 2 s  . c o  m*/
    return expression.toString();
}

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From source file:com.crispico.flower.mp.metamodel.codesyncjava.algorithm.reverse.ReverseJavaField.java

License:Open Source License

@Override
protected Object getFeatureValueFromAST(EStructuralFeature feature, FieldDeclaration astElement) {
    if (astElement == null)
        throw new IllegalArgumentException("astElement is null");
    String typeName = JavaSyncUtils.getReturnTypeAsString(astElement);
    ReversePackage_JavaTypes reversePackage_JavaTypes = parentReverse.parentReverse.parentReverse;

    switch (feature.getFeatureID()) {
    case UMLPackage.TYPED_ELEMENT__TYPE:
        return SyncUtils.getTypeOrCreateInUnknownTypes(typeName,
                new JavaTypeCreation(JavaTypeCreation.CLASS_OR_INTERFACE), reversePackage_JavaTypes,
                currentElement);/*from   w ww  .  j  a v a 2s  .com*/
    case UMLPackage.PROPERTY__DEFAULT_VALUE:
        Expression initializer = ((VariableDeclarationFragment) astElement.fragments().get(0)).getInitializer();
        LiteralString defaultVal = null;
        if (initializer != null) {
            defaultVal = CodeSyncFactory.eINSTANCE.createSyncLiteralString();
            defaultVal.setValue(initializer.toString());
        }
        return defaultVal;
    default:
        return super.getFeatureValueFromAST(feature, astElement);
    }
}

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From source file:com.dnw.depmap.ast.MethodInvocationVisitor.java

License:Open Source License

/**
 * Makes the string representation of all arguments passed by this method invocation.
 * /*from  w w  w .j  av a  2  s.  c om*/
 * @author manbaum
 * @since Oct 10, 2014
 * @param list a list of <code>Expression</code>.
 * @return a string list contains all arguments passed by this method invocation.
 */
private List<Object> args(List<?> list) {
    int n = list.size();
    List<Object> r = new ArrayList<Object>(n);
    for (int i = 0; i < n; i++) {
        Expression e = (Expression) list.get(i);
        r.add(e.toString());
    }
    return r;
}

---

From source file:com.google.devtools.j2cpp.gen.CppStatementGenerator.java

License:Open Source License

/**
 * Prints a multi-dimensional array that is defined using array sizes,
 * rather than an initializer.  For example, "new int[2][3][4]".
 *//*  w ww .  ja v a 2 s . c o  m*/
private void printMultiDimArray(ITypeBinding elementType, List<Expression> dimensions) {
    if (dimensions.size() == 1) {
        printSingleDimArray(elementType, dimensions.get(0), false);
    } else {
        buffer.append("[IOSObjectArray arrayWithObjects:(id[]){ ");
        Expression dimension = dimensions.get(0);
        int dim;
        // An array dimension may either be a number literal, constant, or expression.
        if (dimension instanceof NumberLiteral) {
            dim = Integer.parseInt(dimension.toString());
        } else {
            IVariableBinding var = Types.getVariableBinding(dimension);
            if (var != null) {
                Number constant = (Number) var.getConstantValue();
                dim = constant != null ? constant.intValue() : 1;
            } else {
                dim = 1;
            }
        }
        List<Expression> subDimensions = dimensions.subList(1, dimensions.size());
        for (int i = 0; i < dim; i++) {
            printMultiDimArray(elementType, subDimensions);
            if (i + 1 < dim) {
                buffer.append(',');
            }
            buffer.append(' ');
        }
        buffer.append("} count:");
        dimension.accept(this);
        buffer.append(" type:[IOSClass classWithClass:[");
        buffer.append(
                subDimensions.size() > 1 ? "IOSObjectArray" : Types.resolveArrayType(elementType).toString());
        buffer.append(" class]]]");
    }
}

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From source file:com.google.devtools.j2cpp.gen.CppStatementGenerator.java

License:Open Source License

/**
 * Converts a string concatenation expression into a NSString format string and a
 * list of arguments for it, containing all the non-literal expressions.  If the
 * expression is all literals, then a string concatenation is printed.  If not,
 * then a NSString stringWithFormat: message is output.
 *//*from  w  w w  .j  a  v  a  2  s .co  m*/
@SuppressWarnings("fallthrough")
private void printStringConcatenation(Expression leftOperand, Expression rightOperand,
        List<Expression> extendedOperands, boolean needRetainRhs) {
    // Copy all operands into a single list.
    List<Expression> operands = Lists.newArrayList(leftOperand, rightOperand);
    operands.addAll(extendedOperands);

    String format = "@\"";
    List<Expression> args = Lists.newArrayList();
    for (Expression operand : operands) {
        if (operand instanceof BooleanLiteral || operand instanceof CharacterLiteral
                || operand instanceof NullLiteral) {
            format += operand.toString();
        } else if (operand instanceof StringLiteral) {
            StringLiteral literal = (StringLiteral) operand;
            if (isValidCppString(literal)) {
                String s = (((StringLiteral) operand).getEscapedValue());
                s = s.substring(1, s.length() - 1); // remove surrounding double-quotes
                s = UnicodeUtils.escapeUnicodeSequences(s);
                format += s.replace("%", "%%"); // escape % character
            } else {
                // Convert to NSString invocation when printing args.
                format += "%@";
                args.add(operand);
            }
        } else if (operand instanceof NumberLiteral) {
            format += ((NumberLiteral) operand).getToken();
        } else {
            args.add(operand);

            // Append format specifier.
            ITypeBinding operandType = Types.getTypeBinding(operand);
            if (operandType.isPrimitive()) {
                String type = operandType.getBinaryName();
                assert type.length() == 1;
                switch (type.charAt(0)) {
                case 'B': // byte
                case 'I': // int
                case 'S': // short
                    format += "%d";
                    break;
                case 'J': // long
                    format += "%qi";
                    break;
                case 'D': // double
                case 'F': // float
                    format += "%f";
                    break;
                case 'C': // char
                    format += "%c";
                    break;
                case 'Z': // boolean
                    format += "%@";
                    break;
                default:
                    throw new AssertionError("unknown primitive type: " + type);
                }
            } else {
                format += "%@";
            }
        }
    }
    format += '"';

    if (args.isEmpty()) {
        buffer.append(format.replace("%%", "%")); // unescape % character
        return;
    }

    if (needRetainRhs) {
        buffer.append("[[NSString alloc] initWithFormat:");
    } else {
        buffer.append("[NSString stringWithFormat:");
    }
    buffer.append(format);
    buffer.append(", ");
    for (Iterator<Expression> iter = args.iterator(); iter.hasNext();) {
        Expression arg = iter.next();
        if (Types.getTypeBinding(arg).isEqualTo(arg.getAST().resolveWellKnownType("boolean"))) {
            buffer.append("[JavaLangBoolean toStringWithBOOL:");
            arg.accept(this);
            buffer.append(']');
        } else if (arg instanceof StringLiteral) {
            // Strings with all valid C99 characters were previously converted,
            // so this literal needs to be defined with a char array.
            buffer.append(buildStringFromChars(((StringLiteral) arg).getLiteralValue()));
        } else {
            arg.accept(this);
        }
        if (iter.hasNext()) {
            buffer.append(", ");
        }
    }
    buffer.append(']');
}

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From source file:com.google.gdt.eclipse.designer.gxt.model.widgets.UntypedEventsRootProcessor.java

License:Open Source License

/**
 * @return the {@link MethodInvocation} of <code>addListener()</code> for given event. May be
 *         <code>null</code>.
 *///from   www. j a  v  a2 s  . c  om
private MethodInvocation getInvocation(ComponentInfo component, EventDescription description) {
    List<MethodInvocation> invocations = component.getMethodInvocations(ADD_LISTENER_SIGNATURE);
    for (MethodInvocation invocation : invocations) {
        Expression nameExpression = DomGenerics.arguments(invocation).get(0);
        if (nameExpression.toString().endsWith(description.getName())) {
            return invocation;
        }
    }
    return null;
}

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From source file:com.google.gdt.eclipse.designer.model.widgets.menu.MenuItemInfo.java

License:Open Source License

private static boolean isNullCommandExpression(Expression commandExpression) {
    return commandExpression.toString().endsWith("null");
}

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From source file:com.ibm.wala.cast.java.translator.jdt.JDTJava2CAstTranslator.java

License:Open Source License

private CAstNode visit(ArrayInitializer n, WalkContext context) {
    ITypeBinding type = n.resolveTypeBinding();
    assert type != null : "Could not determine type of ArrayInitializer";
    TypeReference newTypeRef = fIdentityMapper.getTypeRef(type);
    CAstNode[] eltNodes = new CAstNode[n.expressions().size() + 1];
    int idx = 0;/*from  w  w  w.j  a  v  a2 s .c o m*/

    eltNodes[idx++] = makeNode(context, fFactory, n, CAstNode.NEW, fFactory.makeConstant(newTypeRef),
            fFactory.makeConstant(n.expressions().size()));
    for (Iterator iter = n.expressions().iterator(); iter.hasNext(); idx++) {
        Expression element = (Expression) iter.next();
        eltNodes[idx] = visitNode(element, context);
        if (eltNodes[idx] == null)
            assert eltNodes[idx] != null : element.toString();
    }

    return makeNode(context, fFactory, n, CAstNode.ARRAY_LITERAL, eltNodes);
}

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