com.asakusafw.operator.util

Class ElementHelper

java.lang.Object

com.asakusafw.operator.util.ElementHelper

public final class ElementHelper
extends Object

Common helper methods about elements.

Method Summary

Modifier and Type	Method and Description
static List<Expression>	toArguments(CompileEnvironment environment, OperatorElement element, ImportBuilder imports) Creates arguments about operator element.
static List<Statement>	toNodeConstructorStatements(CompileEnvironment environment, OperatorElement element, Expression builderExpression, ImportBuilder imports) Creates operator node constructor statements.
static Annotation	toOperatorFactoryAnnotation(CompileEnvironment environment, OperatorClass element, ImportBuilder imports) Returns annotation for the operator factory classes.
static Annotation	toOperatorInfoAnnotation(CompileEnvironment environment, OperatorElement element, ImportBuilder imports) Returns annotation for the operator factory methods.
static Type	toParameterizedType(CompileEnvironment environment, List<? extends TypeParameterElement> typeParameters, Type rawNodeType, ImportBuilder imports) Creates a parameterized about operator element.
static List<FormalParameterDeclaration>	toParameters(CompileEnvironment environment, OperatorElement element, ImportBuilder imports) Creates type parameter declarations about operator element.
static List<TypeParameterDeclaration>	toTypeParameters(CompileEnvironment environment, List<? extends TypeParameterElement> typeParameters, ImportBuilder imports) Creates type parameters about operator element.
static boolean	validate(CompileEnvironment environment, ExecutableElement element, OperatorDescription description) Validates OperatorDescription and raises errors when it is not valid.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

validate

public static boolean validate(CompileEnvironment environment,
                               ExecutableElement element,
                               OperatorDescription description)

Validates OperatorDescription and raises errors when it is not valid.

Parameters:

environment - current environment

element - target element

description - target description

Returns:

true if is valid, otherwise false

Throws:

IllegalArgumentException - if some parameters were null

toTypeParameters

public static List<TypeParameterDeclaration> toTypeParameters(CompileEnvironment environment,
                                                              List<? extends TypeParameterElement> typeParameters,
                                                              ImportBuilder imports)

Creates type parameters about operator element.

Parameters:

environment - current environment

typeParameters - target type parameter elements

imports - import builder

Returns:

generated syntax model

Throws:

IllegalArgumentException - if some parameters were null

toParameterizedType

public static Type toParameterizedType(CompileEnvironment environment,
                                       List<? extends TypeParameterElement> typeParameters,
                                       Type rawNodeType,
                                       ImportBuilder imports)

Creates a parameterized about operator element.

Parameters:

environment - current environment

typeParameters - target type parameter elements

rawNodeType - parameterization target

imports - import builder

Returns:

generated syntax model

Throws:

IllegalArgumentException - if some parameters were null

toParameters

public static List<FormalParameterDeclaration> toParameters(CompileEnvironment environment,
                                                            OperatorElement element,
                                                            ImportBuilder imports)

Creates type parameter declarations about operator element.

Parameters:

environment - current environment

element - target operator element

imports - import builder

Returns:

generated syntax model

Throws:

IllegalArgumentException - if some parameters were null

toArguments

public static List<Expression> toArguments(CompileEnvironment environment,
                                           OperatorElement element,
                                           ImportBuilder imports)

Creates arguments about operator element.

Parameters:

environment - current environment

element - target operator element

imports - import builder

Returns:

generated syntax model

Throws:

IllegalArgumentException - if some parameters were null

toNodeConstructorStatements

public static List<Statement> toNodeConstructorStatements(CompileEnvironment environment,
                                                          OperatorElement element,
                                                          Expression builderExpression,
                                                          ImportBuilder imports)

Creates operator node constructor statements.

Parameters:

environment - current environment

element - target operator element

builderExpression - the FlowElementBuilder instance expression

imports - import builder

Returns:

generated syntax model

toOperatorFactoryAnnotation

public static Annotation toOperatorFactoryAnnotation(CompileEnvironment environment,
                                                     OperatorClass element,
                                                     ImportBuilder imports)

Returns annotation for the operator factory classes.

Parameters:

environment - current environment

element - target operator class

imports - import builder

Returns:

generated syntax model

toOperatorInfoAnnotation

public static Annotation toOperatorInfoAnnotation(CompileEnvironment environment,
                                                  OperatorElement element,
                                                  ImportBuilder imports)

Returns annotation for the operator factory methods.

Parameters:

environment - current environment

element - target operator element

imports - import builder

Returns:

generated syntax model