Examples with Expression org.codehaus.groovy.ast.expr.Expression used on opensource projects

Example 36 with Expression

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

the class ArtefactTypeAstTransformation method resolveArtefactType.

protected String resolveArtefactType(SourceUnit sourceUnit, AnnotationNode annotationNode, ClassNode classNode) {
    Expression value = annotationNode.getMember("value");
    if (value != null) {
        if (value instanceof ConstantExpression) {
            ConstantExpression ce = (ConstantExpression) value;
            return ce.getText();
        }
        if (value instanceof PropertyExpression) {
            PropertyExpression pe = (PropertyExpression) value;
            Expression objectExpression = pe.getObjectExpression();
            if (objectExpression instanceof ClassExpression) {
                ClassExpression ce = (ClassExpression) objectExpression;
                try {
                    Field field = ce.getType().getTypeClass().getDeclaredField(pe.getPropertyAsString());
                    return (String) field.get(null);
                } catch (Exception e) {
                }
            }
        }
    }
    throw new RuntimeException("Class [" + classNode.getName() + "] contains an invalid @Artefact annotation. No artefact found for value specified.");
}

Example 37 with Expression

use of org.codehaus.groovy.ast.expr.Expression 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 38 with Expression

use of org.codehaus.groovy.ast.expr.Expression 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 39 with Expression

use of org.codehaus.groovy.ast.expr.Expression 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 40 with Expression

use of org.codehaus.groovy.ast.expr.Expression 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));
    }
}