Examples with MethodNode org.codehaus.groovy.ast.MethodNode used on opensource projects

Example 26 with MethodNode

use of org.codehaus.groovy.ast.MethodNode in project grails-core by grails.

the class ASTValidationErrorsHelper method addGetErrorsMethod.

protected void addGetErrorsMethod(final ClassNode paramTypeClassNode) {
    final ASTNode getErrorsMethod = paramTypeClassNode.getMethod(GET_ERRORS_METHOD_NAME, GrailsArtefactClassInjector.ZERO_PARAMETERS);
    if (getErrorsMethod == null) {
        final BlockStatement getErrorsMethodCode = new BlockStatement();
        final Expression initErrorsMethodCallExpression = new MethodCallExpression(new VariableExpression("this"), INIT_ERRORS_METHOD_NAME, EMPTY_TUPLE);
        getErrorsMethodCode.addStatement(new ExpressionStatement(initErrorsMethodCallExpression));
        final Statement returnStatement = new ReturnStatement(ERRORS_EXPRESSION);
        getErrorsMethodCode.addStatement(returnStatement);
        paramTypeClassNode.addMethod(new MethodNode(GET_ERRORS_METHOD_NAME, Modifier.PUBLIC, ERRORS_CLASS_NODE, GrailsArtefactClassInjector.ZERO_PARAMETERS, GrailsArtefactClassInjector.EMPTY_CLASS_ARRAY, getErrorsMethodCode));
    }
}

Example 27 with MethodNode

use of org.codehaus.groovy.ast.MethodNode in project grails-core by grails.

the class ASTValidationErrorsHelper method addClearErrorsMethod.

protected void addClearErrorsMethod(final ClassNode paramTypeClassNode) {
    final ASTNode clearErrorsMethod = paramTypeClassNode.getMethod(CLEAR_ERRORS_METHOD_NAME, GrailsArtefactClassInjector.ZERO_PARAMETERS);
    if (clearErrorsMethod == null) {
        final BlockStatement clearErrorsMethodCode = new BlockStatement();
        Expression nullOutErrorsFieldExpression = new BinaryExpression(ERRORS_EXPRESSION, EQUALS_SYMBOL, NULL_EXPRESSION);
        clearErrorsMethodCode.addStatement(new ExpressionStatement(nullOutErrorsFieldExpression));
        paramTypeClassNode.addMethod(new MethodNode(CLEAR_ERRORS_METHOD_NAME, Modifier.PUBLIC, ClassHelper.VOID_TYPE, GrailsArtefactClassInjector.ZERO_PARAMETERS, GrailsArtefactClassInjector.EMPTY_CLASS_ARRAY, clearErrorsMethodCode));
    }
}

Example 28 with MethodNode

use of org.codehaus.groovy.ast.MethodNode in project grails-core by grails.

the class ASTValidationErrorsHelper method addHasErrorsMethod.

protected void addHasErrorsMethod(final ClassNode paramTypeClassNode) {
    final ASTNode getErrorsMethod = paramTypeClassNode.getMethod(HAS_ERRORS_METHOD_NAME, GrailsArtefactClassInjector.ZERO_PARAMETERS);
    if (getErrorsMethod == null) {
        final BlockStatement hasErrorsMethodCode = new BlockStatement();
        final Expression initErrorsMethodCallExpression = new MethodCallExpression(new VariableExpression("this"), INIT_ERRORS_METHOD_NAME, EMPTY_TUPLE);
        hasErrorsMethodCode.addStatement(new ExpressionStatement(initErrorsMethodCallExpression));
        final Statement returnStatement = new ReturnStatement(new BooleanExpression(new MethodCallExpression(ERRORS_EXPRESSION, HAS_ERRORS_METHOD_NAME, EMPTY_TUPLE)));
        hasErrorsMethodCode.addStatement(returnStatement);
        paramTypeClassNode.addMethod(new MethodNode(HAS_ERRORS_METHOD_NAME, Modifier.PUBLIC, new ClassNode(Boolean.class), GrailsArtefactClassInjector.ZERO_PARAMETERS, GrailsArtefactClassInjector.EMPTY_CLASS_ARRAY, hasErrorsMethodCode));
    }
}

Example 29 with MethodNode

use of org.codehaus.groovy.ast.MethodNode in project grails-core by grails.

the class ASTValidationErrorsHelper method addInitErrorsMethod.

protected void addInitErrorsMethod(final ClassNode paramTypeClassNode) {
    final ASTNode initErrorsMethod = paramTypeClassNode.getMethod(INIT_ERRORS_METHOD_NAME, GrailsArtefactClassInjector.ZERO_PARAMETERS);
    if (initErrorsMethod == null) {
        final BlockStatement initErrorsMethodCode = new BlockStatement();
        final BinaryExpression errorsIsNullExpression = new BinaryExpression(ERRORS_EXPRESSION, Token.newSymbol(Types.COMPARE_EQUAL, 0, 0), NULL_EXPRESSION);
        Expression beanPropertyBindingResultConstructorArgs = new ArgumentListExpression(new VariableExpression("this"), new ConstantExpression(paramTypeClassNode.getName()));
        final Statement newEvaluatorExpression = new ExpressionStatement(new BinaryExpression(ERRORS_EXPRESSION, EQUALS_SYMBOL, new ConstructorCallExpression(new ClassNode(ValidationErrors.class), beanPropertyBindingResultConstructorArgs)));
        final Statement initErrorsIfNullStatement = new IfStatement(new BooleanExpression(errorsIsNullExpression), newEvaluatorExpression, new ExpressionStatement(new EmptyExpression()));
        initErrorsMethodCode.addStatement(initErrorsIfNullStatement);
        paramTypeClassNode.addMethod(new MethodNode(INIT_ERRORS_METHOD_NAME, Modifier.PRIVATE, ClassHelper.VOID_TYPE, GrailsArtefactClassInjector.ZERO_PARAMETERS, GrailsArtefactClassInjector.EMPTY_CLASS_ARRAY, initErrorsMethodCode));
    }
}

Example 30 with MethodNode

use of org.codehaus.groovy.ast.MethodNode in project groovy-core by groovy.

the class VetoableASTTransformation method needsVetoableChangeSupport.

/**
     * Snoops through the declaring class and all parents looking for a field
     * of type VetoableChangeSupport.  Remembers the field and returns false
     * if found otherwise returns true to indicate that such support should
     * be added.
     *
     * @param declaringClass the class to search
     * @return true if vetoable change support should be added
     */
protected boolean needsVetoableChangeSupport(ClassNode declaringClass, SourceUnit sourceUnit) {
    boolean foundAdd = false, foundRemove = false, foundFire = false;
    ClassNode consideredClass = declaringClass;
    while (consideredClass != null) {
        for (MethodNode method : consideredClass.getMethods()) {
            // just check length, MOP will match it up
            foundAdd = foundAdd || method.getName().equals("addVetoableChangeListener") && method.getParameters().length == 1;
            foundRemove = foundRemove || method.getName().equals("removeVetoableChangeListener") && method.getParameters().length == 1;
            foundFire = foundFire || method.getName().equals("fireVetoableChange") && method.getParameters().length == 3;
            if (foundAdd && foundRemove && foundFire) {
                return false;
            }
        }
        consideredClass = consideredClass.getSuperClass();
    }
    // check if a super class has @Vetoable annotations
    consideredClass = declaringClass.getSuperClass();
    while (consideredClass != null) {
        if (hasVetoableAnnotation(consideredClass))
            return false;
        for (FieldNode field : consideredClass.getFields()) {
            if (hasVetoableAnnotation(field))
                return false;
        }
        consideredClass = consideredClass.getSuperClass();
    }
    if (foundAdd || foundRemove || foundFire) {
        sourceUnit.getErrorCollector().addErrorAndContinue(new SimpleMessage("@Vetoable cannot be processed on " + declaringClass.getName() + " because some but not all of addVetoableChangeListener, removeVetoableChange, and fireVetoableChange were declared in the current or super classes.", sourceUnit));
        return false;
    }
    return true;
}