Package org.codehaus.groovy.classgen

Class AsmClassGenerator

java.lang.Object

org.codehaus.groovy.ast.CodeVisitorSupport

org.codehaus.groovy.ast.ClassCodeVisitorSupport

org.codehaus.groovy.classgen.ClassGenerator

org.codehaus.groovy.classgen.AsmClassGenerator

All Implemented Interfaces:

GroovyClassVisitor, GroovyCodeVisitor, ErrorCollecting

public class AsmClassGenerator
extends ClassGenerator

Generates Java class versions of Groovy classes using ASM.

Field Summary

Fields

Modifier and Type	Field	Description
static final boolean	ASM_DEBUG
static final boolean	CREATE_DEBUG_INFO
static final boolean	CREATE_LINE_NUMBER_INFO
static final MethodCallerMultiAdapter	getField
static final MethodCallerMultiAdapter	getGroovyObjectField
static final String	MINIMUM_BYTECODE_VERSION
static final MethodCallerMultiAdapter	setField
static final MethodCallerMultiAdapter	setGroovyObjectField
static final MethodCallerMultiAdapter	setProperty

Fields inherited from class org.codehaus.groovy.classgen.ClassGenerator

innerClasses

Constructor Summary

Constructors

Constructor	Description
AsmClassGenerator(SourceUnit source, GeneratorContext context, org.objectweb.asm.ClassVisitor classVisitor, String sourceFile)

Method Summary

Modifier and Type	Method	Description
boolean	addInnerClass(ClassNode innerClass)
static int	argumentSize(Expression arguments)
static boolean	containsSpreadExpression(Expression arguments)
protected void	createInterfaceSyntheticStaticFields()
protected void	createSyntheticStaticFields()
void	despreadList(List<Expression> expressions, boolean wrap)
WriterController	getController()
static FieldNode	getDeclaredFieldOfCurrentClassOrAccessibleFieldOfSuper(ClassNode accessingNode, ClassNode current, String fieldName, boolean skipCurrent)
SourceUnit	getSourceUnit()
static boolean	isFieldDirectlyAccessible(FieldNode field, ClassNode clazz)	Determines if the given class can directly access the given field (via GETFIELD, GETSTATIC, etc.
static boolean	isNullConstant(Expression expression)	Deprecated.
static boolean	isSuperExpression(Expression expression)	Deprecated.
static boolean	isThisExpression(Expression expression)	Deprecated.
static boolean	isValidFieldNodeForByteCodeAccess(FieldNode field, ClassNode accessingClass)	Deprecated. use isFieldDirectlyAccessible(FieldNode, ClassNode) instead.
void	loadInstanceField(FieldExpression expression)	RHS instance field.
void	loadStaticField(FieldExpression expression)
protected void	loadThisOrOwner()	Loads either this object or if we're inside a closure then load the top level owner
void	loadWrapper(Expression argument)
void	onLineNumber(ASTNode node, String message)
void	throwException(String message)
void	visitAnnotations(AnnotatedNode node)
void	visitArgumentlistExpression(ArgumentListExpression ale)
void	visitArrayExpression(ArrayExpression expression)
void	visitAssertStatement(AssertStatement statement)
void	visitAttributeExpression(AttributeExpression expression)
void	visitBinaryExpression(BinaryExpression expression)
void	visitBitwiseNegationExpression(BitwiseNegationExpression expression)
void	visitBlockStatement(BlockStatement statement)
void	visitBooleanExpression(BooleanExpression expression)
void	visitBreakStatement(BreakStatement statement)
void	visitBytecodeExpression(BytecodeExpression expression)
void	visitBytecodeSequence(BytecodeSequence bytecodeSequence)
void	visitCaseStatement(CaseStatement statement)
void	visitCastExpression(CastExpression castExpression)
void	visitCatchStatement(CatchStatement statement)
void	visitClass(ClassNode classNode)	Visit a ClassNode.
void	visitClassExpression(ClassExpression expression)
void	visitClosureExpression(ClosureExpression expression)
void	visitClosureListExpression(ClosureListExpression expression)
void	visitConstantExpression(ConstantExpression expression)	Generates byte code for constants.
void	visitConstructor(ConstructorNode node)	Visit a ConstructorNode.
void	visitConstructorCallExpression(ConstructorCallExpression call)
protected void	visitConstructorOrMethod(MethodNode node, boolean isConstructor)
void	visitContinueStatement(ContinueStatement statement)
void	visitDeclarationExpression(DeclarationExpression expression)
void	visitDoWhileLoop(DoWhileStatement statement)
void	visitExpressionStatement(ExpressionStatement statement)
void	visitField(FieldNode fieldNode)	Visit a FieldNode.
void	visitFieldExpression(FieldExpression expression)
void	visitForLoop(ForStatement statement)
void	visitGStringExpression(GStringExpression expression)
void	visitIfElse(IfStatement statement)
void	visitLambdaExpression(LambdaExpression expression)
void	visitListExpression(ListExpression expression)
void	visitMapEntryExpression(MapEntryExpression expression)
void	visitMapExpression(MapExpression expression)
void	visitMethod(MethodNode node)	Visit a MethodNode.
void	visitMethodCallExpression(MethodCallExpression call)
void	visitMethodPointerExpression(MethodPointerExpression expression)
void	visitMethodReferenceExpression(MethodReferenceExpression expression)
void	visitNotExpression(NotExpression expression)
void	visitPostfixExpression(PostfixExpression expression)
void	visitPrefixExpression(PrefixExpression expression)
void	visitProperty(PropertyNode statement)	Visit a PropertyNode.
void	visitPropertyExpression(PropertyExpression expression)
void	visitRangeExpression(RangeExpression expression)
void	visitReturnStatement(ReturnStatement statement)
void	visitSpreadExpression(SpreadExpression expression)
void	visitSpreadMapExpression(SpreadMapExpression expression)
protected void	visitStatement(Statement statement)
void	visitStaticMethodCallExpression(StaticMethodCallExpression call)
void	visitSwitch(SwitchStatement statement)
void	visitSynchronizedStatement(SynchronizedStatement statement)
void	visitTernaryExpression(TernaryExpression expression)
void	visitThrowStatement(ThrowStatement statement)
void	visitTryCatchFinally(TryCatchStatement statement)
void	visitTupleExpression(TupleExpression expression)
void	visitUnaryMinusExpression(UnaryMinusExpression expression)
void	visitUnaryPlusExpression(UnaryPlusExpression expression)
void	visitVariableExpression(VariableExpression expression)
void	visitWhileLoop(WhileStatement statement)

Methods inherited from class org.codehaus.groovy.classgen.ClassGenerator

getInnerClasses

Methods inherited from class org.codehaus.groovy.ast.ClassCodeVisitorSupport

addError, visitAnnotation, visitAnnotations, visitClassCodeContainer, visitImports, visitObjectInitializerStatements, visitPackage

Methods inherited from class org.codehaus.groovy.ast.CodeVisitorSupport

afterSwitchConditionExpressionVisited, visitEmptyStatement, visitShortTernaryExpression

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.codehaus.groovy.ast.GroovyCodeVisitor

visit, visit, visitEmptyExpression, visitListOfExpressions

Field Details

setField

public static final MethodCallerMultiAdapter setField

getField

public static final MethodCallerMultiAdapter getField

setGroovyObjectField

public static final MethodCallerMultiAdapter setGroovyObjectField

getGroovyObjectField

public static final MethodCallerMultiAdapter getGroovyObjectField

setProperty

public static final MethodCallerMultiAdapter setProperty

CREATE_DEBUG_INFO

public static final boolean CREATE_DEBUG_INFO

See Also:

• Constant Field Values

CREATE_LINE_NUMBER_INFO

public static final boolean CREATE_LINE_NUMBER_INFO

See Also:

• Constant Field Values

ASM_DEBUG

public static final boolean ASM_DEBUG

See Also:

• Constant Field Values

MINIMUM_BYTECODE_VERSION

public static final String MINIMUM_BYTECODE_VERSION

See Also:

• Constant Field Values

Constructor Details

AsmClassGenerator

public AsmClassGenerator(SourceUnit source,
 GeneratorContext context,
 org.objectweb.asm.ClassVisitor classVisitor,
 String sourceFile)

Method Details

getSourceUnit

public SourceUnit getSourceUnit()

Overrides:

getSourceUnit in class ClassGenerator

getController

public WriterController getController()

visitClass

public void visitClass(ClassNode classNode)

Description copied from interface: GroovyClassVisitor

Visit a ClassNode.

Specified by:

visitClass in interface GroovyClassVisitor

Overrides:

visitClass in class ClassCodeVisitorSupport

visitConstructorOrMethod

protected void visitConstructorOrMethod(MethodNode node,
 boolean isConstructor)

Overrides:

visitConstructorOrMethod in class ClassCodeVisitorSupport

visitConstructor

public void visitConstructor(ConstructorNode node)

Description copied from interface: GroovyClassVisitor

Visit a ConstructorNode.

Specified by:

visitConstructor in interface GroovyClassVisitor

Overrides:

visitConstructor in class ClassCodeVisitorSupport

visitMethod

public void visitMethod(MethodNode node)

Description copied from interface: GroovyClassVisitor

Visit a MethodNode.

Specified by:

visitMethod in interface GroovyClassVisitor

Overrides:

visitMethod in class ClassCodeVisitorSupport

visitField

public void visitField(FieldNode fieldNode)

Description copied from interface: GroovyClassVisitor

Visit a FieldNode.

Specified by:

visitField in interface GroovyClassVisitor

Overrides:

visitField in class ClassCodeVisitorSupport

visitProperty

public void visitProperty(PropertyNode statement)

Description copied from interface: GroovyClassVisitor

Visit a PropertyNode.

Specified by:

visitProperty in interface GroovyClassVisitor

Overrides:

visitProperty in class ClassCodeVisitorSupport

visitStatement

protected void visitStatement(Statement statement)

Overrides:

visitStatement in class ClassCodeVisitorSupport

visitBlockStatement

public void visitBlockStatement(BlockStatement statement)

Specified by:

visitBlockStatement in interface GroovyCodeVisitor

Overrides:

visitBlockStatement in class ClassCodeVisitorSupport

visitForLoop

public void visitForLoop(ForStatement statement)

Specified by:

visitForLoop in interface GroovyCodeVisitor

Overrides:

visitForLoop in class ClassCodeVisitorSupport

visitWhileLoop

public void visitWhileLoop(WhileStatement statement)

Specified by:

visitWhileLoop in interface GroovyCodeVisitor

Overrides:

visitWhileLoop in class ClassCodeVisitorSupport

visitDoWhileLoop

public void visitDoWhileLoop(DoWhileStatement statement)

Specified by:

visitDoWhileLoop in interface GroovyCodeVisitor

Overrides:

visitDoWhileLoop in class ClassCodeVisitorSupport

visitIfElse

public void visitIfElse(IfStatement statement)

Specified by:

visitIfElse in interface GroovyCodeVisitor

Overrides:

visitIfElse in class ClassCodeVisitorSupport

visitAssertStatement

public void visitAssertStatement(AssertStatement statement)

Specified by:

visitAssertStatement in interface GroovyCodeVisitor

Overrides:

visitAssertStatement in class ClassCodeVisitorSupport

visitTryCatchFinally

public void visitTryCatchFinally(TryCatchStatement statement)

Specified by:

visitTryCatchFinally in interface GroovyCodeVisitor

Overrides:

visitTryCatchFinally in class ClassCodeVisitorSupport

visitCatchStatement

public void visitCatchStatement(CatchStatement statement)

Specified by:

visitCatchStatement in interface GroovyCodeVisitor

Overrides:

visitCatchStatement in class ClassCodeVisitorSupport

visitSwitch

public void visitSwitch(SwitchStatement statement)

Specified by:

visitSwitch in interface GroovyCodeVisitor

Overrides:

visitSwitch in class ClassCodeVisitorSupport

visitCaseStatement

public void visitCaseStatement(CaseStatement statement)

Specified by:

visitCaseStatement in interface GroovyCodeVisitor

Overrides:

visitCaseStatement in class ClassCodeVisitorSupport

visitBreakStatement

public void visitBreakStatement(BreakStatement statement)

Specified by:

visitBreakStatement in interface GroovyCodeVisitor

Overrides:

visitBreakStatement in class ClassCodeVisitorSupport

visitContinueStatement

public void visitContinueStatement(ContinueStatement statement)

Specified by:

visitContinueStatement in interface GroovyCodeVisitor

Overrides:

visitContinueStatement in class ClassCodeVisitorSupport

visitSynchronizedStatement

public void visitSynchronizedStatement(SynchronizedStatement statement)

Specified by:

visitSynchronizedStatement in interface GroovyCodeVisitor

Overrides:

visitSynchronizedStatement in class ClassCodeVisitorSupport

visitThrowStatement

public void visitThrowStatement(ThrowStatement statement)

Specified by:

visitThrowStatement in interface GroovyCodeVisitor

Overrides:

visitThrowStatement in class ClassCodeVisitorSupport

visitReturnStatement

public void visitReturnStatement(ReturnStatement statement)

Specified by:

visitReturnStatement in interface GroovyCodeVisitor

Overrides:

visitReturnStatement in class ClassCodeVisitorSupport

visitExpressionStatement

public void visitExpressionStatement(ExpressionStatement statement)

Specified by:

visitExpressionStatement in interface GroovyCodeVisitor

Overrides:

visitExpressionStatement in class ClassCodeVisitorSupport

visitTernaryExpression

public void visitTernaryExpression(TernaryExpression expression)

Specified by:

visitTernaryExpression in interface GroovyCodeVisitor

Overrides:

visitTernaryExpression in class CodeVisitorSupport

visitDeclarationExpression

public void visitDeclarationExpression(DeclarationExpression expression)

Specified by:

visitDeclarationExpression in interface GroovyCodeVisitor

Overrides:

visitDeclarationExpression in class ClassCodeVisitorSupport

visitBinaryExpression

public void visitBinaryExpression(BinaryExpression expression)

Specified by:

visitBinaryExpression in interface GroovyCodeVisitor

Overrides:

visitBinaryExpression in class CodeVisitorSupport

visitPostfixExpression

public void visitPostfixExpression(PostfixExpression expression)

Specified by:

visitPostfixExpression in interface GroovyCodeVisitor

Overrides:

visitPostfixExpression in class CodeVisitorSupport

visitPrefixExpression

public void visitPrefixExpression(PrefixExpression expression)

Specified by:

visitPrefixExpression in interface GroovyCodeVisitor

Overrides:

visitPrefixExpression in class CodeVisitorSupport

visitClosureExpression

public void visitClosureExpression(ClosureExpression expression)

Specified by:

visitClosureExpression in interface GroovyCodeVisitor

Overrides:

visitClosureExpression in class CodeVisitorSupport

visitLambdaExpression

public void visitLambdaExpression(LambdaExpression expression)

Specified by:

visitLambdaExpression in interface GroovyCodeVisitor

Overrides:

visitLambdaExpression in class CodeVisitorSupport

loadThisOrOwner

protected void loadThisOrOwner()

Loads either this object or if we're inside a closure then load the top level owner

visitConstantExpression

public void visitConstantExpression(ConstantExpression expression)

Generates byte code for constants.

Specified by:

visitConstantExpression in interface GroovyCodeVisitor

Overrides:

visitConstantExpression in class CodeVisitorSupport

See Also:

• Class field types

visitSpreadExpression

public void visitSpreadExpression(SpreadExpression expression)

Specified by:

visitSpreadExpression in interface GroovyCodeVisitor

Overrides:

visitSpreadExpression in class CodeVisitorSupport

visitSpreadMapExpression

public void visitSpreadMapExpression(SpreadMapExpression expression)

Specified by:

visitSpreadMapExpression in interface GroovyCodeVisitor

Overrides:

visitSpreadMapExpression in class CodeVisitorSupport

visitMethodPointerExpression

public void visitMethodPointerExpression(MethodPointerExpression expression)

Specified by:

visitMethodPointerExpression in interface GroovyCodeVisitor

Overrides:

visitMethodPointerExpression in class CodeVisitorSupport

visitMethodReferenceExpression

public void visitMethodReferenceExpression(MethodReferenceExpression expression)

Specified by:

visitMethodReferenceExpression in interface GroovyCodeVisitor

Overrides:

visitMethodReferenceExpression in class CodeVisitorSupport

visitUnaryMinusExpression

public void visitUnaryMinusExpression(UnaryMinusExpression expression)

Specified by:

visitUnaryMinusExpression in interface GroovyCodeVisitor

Overrides:

visitUnaryMinusExpression in class CodeVisitorSupport

visitUnaryPlusExpression

public void visitUnaryPlusExpression(UnaryPlusExpression expression)

Specified by:

visitUnaryPlusExpression in interface GroovyCodeVisitor

Overrides:

visitUnaryPlusExpression in class CodeVisitorSupport

visitBitwiseNegationExpression

public void visitBitwiseNegationExpression(BitwiseNegationExpression expression)

Specified by:

visitBitwiseNegationExpression in interface GroovyCodeVisitor

Overrides:

visitBitwiseNegationExpression in class CodeVisitorSupport

visitCastExpression

public void visitCastExpression(CastExpression castExpression)

Specified by:

visitCastExpression in interface GroovyCodeVisitor

Overrides:

visitCastExpression in class CodeVisitorSupport

visitNotExpression

public void visitNotExpression(NotExpression expression)

Specified by:

visitNotExpression in interface GroovyCodeVisitor

Overrides:

visitNotExpression in class CodeVisitorSupport

visitBooleanExpression

public void visitBooleanExpression(BooleanExpression expression)

Specified by:

visitBooleanExpression in interface GroovyCodeVisitor

Overrides:

visitBooleanExpression in class CodeVisitorSupport

visitMethodCallExpression

public void visitMethodCallExpression(MethodCallExpression call)

Specified by:

visitMethodCallExpression in interface GroovyCodeVisitor

Overrides:

visitMethodCallExpression in class CodeVisitorSupport

visitStaticMethodCallExpression

public void visitStaticMethodCallExpression(StaticMethodCallExpression call)

Specified by:

visitStaticMethodCallExpression in interface GroovyCodeVisitor

Overrides:

visitStaticMethodCallExpression in class CodeVisitorSupport

visitConstructorCallExpression

public void visitConstructorCallExpression(ConstructorCallExpression call)

Specified by:

visitConstructorCallExpression in interface GroovyCodeVisitor

Overrides:

visitConstructorCallExpression in class CodeVisitorSupport

isValidFieldNodeForByteCodeAccess

@Deprecated
public static boolean isValidFieldNodeForByteCodeAccess(FieldNode field,
 ClassNode accessingClass)

Deprecated.

use isFieldDirectlyAccessible(FieldNode, ClassNode) instead.

isFieldDirectlyAccessible

public static boolean isFieldDirectlyAccessible(FieldNode field,
 ClassNode clazz)

Determines if the given class can directly access the given field (via GETFIELD, GETSTATIC, etc. bytecode instructions).

getDeclaredFieldOfCurrentClassOrAccessibleFieldOfSuper

public static FieldNode getDeclaredFieldOfCurrentClassOrAccessibleFieldOfSuper(ClassNode accessingNode,
 ClassNode current,
 String fieldName,
 boolean skipCurrent)

visitPropertyExpression

public void visitPropertyExpression(PropertyExpression expression)

Specified by:

visitPropertyExpression in interface GroovyCodeVisitor

Overrides:

visitPropertyExpression in class CodeVisitorSupport

visitAttributeExpression

public void visitAttributeExpression(AttributeExpression expression)

Specified by:

visitAttributeExpression in interface GroovyCodeVisitor

Overrides:

visitAttributeExpression in class CodeVisitorSupport

visitFieldExpression

public void visitFieldExpression(FieldExpression expression)

Specified by:

visitFieldExpression in interface GroovyCodeVisitor

Overrides:

visitFieldExpression in class CodeVisitorSupport

loadStaticField

public void loadStaticField(FieldExpression expression)

loadInstanceField

public void loadInstanceField(FieldExpression expression)

RHS instance field. should move most of the code in the BytecodeHelper

visitVariableExpression

public void visitVariableExpression(VariableExpression expression)

Specified by:

visitVariableExpression in interface GroovyCodeVisitor

Overrides:

visitVariableExpression in class CodeVisitorSupport

createInterfaceSyntheticStaticFields

protected void createInterfaceSyntheticStaticFields()

createSyntheticStaticFields

protected void createSyntheticStaticFields()

visitClassExpression

public void visitClassExpression(ClassExpression expression)

Specified by:

visitClassExpression in interface GroovyCodeVisitor

Overrides:

visitClassExpression in class CodeVisitorSupport

visitRangeExpression

public void visitRangeExpression(RangeExpression expression)

Specified by:

visitRangeExpression in interface GroovyCodeVisitor

Overrides:

visitRangeExpression in class CodeVisitorSupport

visitMapEntryExpression

public void visitMapEntryExpression(MapEntryExpression expression)

Specified by:

visitMapEntryExpression in interface GroovyCodeVisitor

Overrides:

visitMapEntryExpression in class CodeVisitorSupport

visitMapExpression

public void visitMapExpression(MapExpression expression)

Specified by:

visitMapExpression in interface GroovyCodeVisitor

Overrides:

visitMapExpression in class CodeVisitorSupport

visitArgumentlistExpression

public void visitArgumentlistExpression(ArgumentListExpression ale)

Specified by:

visitArgumentlistExpression in interface GroovyCodeVisitor

Overrides:

visitArgumentlistExpression in class CodeVisitorSupport

visitTupleExpression

public void visitTupleExpression(TupleExpression expression)

Specified by:

visitTupleExpression in interface GroovyCodeVisitor

Overrides:

visitTupleExpression in class CodeVisitorSupport

visitArrayExpression

public void visitArrayExpression(ArrayExpression expression)

Specified by:

visitArrayExpression in interface GroovyCodeVisitor

Overrides:

visitArrayExpression in class CodeVisitorSupport

visitClosureListExpression

public void visitClosureListExpression(ClosureListExpression expression)

Specified by:

visitClosureListExpression in interface GroovyCodeVisitor

Overrides:

visitClosureListExpression in class CodeVisitorSupport

visitBytecodeExpression

public void visitBytecodeExpression(BytecodeExpression expression)

Specified by:

visitBytecodeExpression in interface GroovyCodeVisitor

Overrides:

visitBytecodeExpression in class CodeVisitorSupport

visitBytecodeSequence

public void visitBytecodeSequence(BytecodeSequence bytecodeSequence)

Overrides:

visitBytecodeSequence in class ClassGenerator

visitListExpression

public void visitListExpression(ListExpression expression)

Specified by:

visitListExpression in interface GroovyCodeVisitor

Overrides:

visitListExpression in class CodeVisitorSupport

visitGStringExpression

public void visitGStringExpression(GStringExpression expression)

Specified by:

visitGStringExpression in interface GroovyCodeVisitor

Overrides:

visitGStringExpression in class CodeVisitorSupport

visitAnnotations

public void visitAnnotations(AnnotatedNode node)

Overrides:

visitAnnotations in class ClassCodeVisitorSupport

addInnerClass

public boolean addInnerClass(ClassNode innerClass)

argumentSize

public static int argumentSize(Expression arguments)

containsSpreadExpression

public static boolean containsSpreadExpression(Expression arguments)

despreadList

public void despreadList(List<Expression> expressions,
 boolean wrap)

isThisExpression

@Deprecated
public static boolean isThisExpression(Expression expression)

Deprecated.

isSuperExpression

@Deprecated
public static boolean isSuperExpression(Expression expression)

Deprecated.

isNullConstant

@Deprecated
public static boolean isNullConstant(Expression expression)

Deprecated.

loadWrapper

public void loadWrapper(Expression argument)

onLineNumber

public void onLineNumber(ASTNode node,
 String message)

throwException

public void throwException(String message)