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, org.objectweb.asm.Opcodes

public class AsmClassGenerator
extends ClassGenerator

Generates Java class versions of Groovy classes using ASM.

Version:

$Revision: 18252 $

Author:

James Strachan, Bing Ran, Jochen Theodorou, Alex Popescu, Alex Tkachman

Field Summary

static boolean	ASM_DEBUG
static boolean	CREATE_DEBUG_INFO
static boolean	CREATE_LINE_NUMBER_INFO

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

asmJDKVersion, classLoader, innerClasses

Fields inherited from interface org.objectweb.asm.Opcodes

AALOAD, AASTORE, ACC_ABSTRACT, ACC_ANNOTATION, ACC_BRIDGE, ACC_DEPRECATED, ACC_ENUM, ACC_FINAL, ACC_INTERFACE, ACC_NATIVE, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_VARARGS, ACC_VOLATILE, ACONST_NULL, ALOAD, ANEWARRAY, ARETURN, ARRAYLENGTH, ASTORE, ATHROW, BALOAD, BASTORE, BIPUSH, CALOAD, CASTORE, CHECKCAST, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DLOAD, DMUL, DNEG, DOUBLE, DREM, DRETURN, DSTORE, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F_APPEND, F_CHOP, F_FULL, F_NEW, F_SAME, F_SAME1, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FLOAD, FLOAT, FMUL, FNEG, FREM, FRETURN, FSTORE, FSUB, GETFIELD, GETSTATIC, GOTO, I2B, I2C, I2D, I2F, I2L, I2S, IADD, IALOAD, IAND, IASTORE, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, IDIV, IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, IINC, ILOAD, IMUL, INEG, INSTANCEOF, INTEGER, INVOKEDYNAMIC, INVOKEDYNAMIC_OWNER, INVOKEINTERFACE, INVOKESPECIAL, INVOKESTATIC, INVOKEVIRTUAL, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISUB, IUSHR, IXOR, JSR, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDIV, LLOAD, LMUL, LNEG, LONG, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, NEW, NEWARRAY, NOP, NULL, POP, POP2, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, SWAP, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, TABLESWITCH, TOP, UNINITIALIZED_THIS, V1_1, V1_2, V1_3, V1_4, V1_5, V1_6, V1_7

Constructor Summary

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

Method Summary

protected boolean	addInnerClass(ClassNode innerClass)
protected static int	argumentSize(Expression arguments)
protected boolean	argumentsUseStack(Expression arguments)
protected static boolean	containsSpreadExpression(Expression arguments)
protected ClassNode	createClosureClass(ClosureExpression expression)
protected void	createInterfaceSyntheticStaticFields()
protected Expression	createReturnLHSExpression(Expression expression) For assignment expressions, return a safe expression for the LHS we can use to return the value
protected Expression	createReusableExpression(Expression expression)
protected void	createSyntheticStaticFields()
protected void	doConvertAndCast(ClassNode type)
protected void	doConvertAndCast(ClassNode type, boolean coerce)
protected void	doConvertAndCast(ClassNode type, Expression expression, boolean ignoreAutoboxing, boolean forceCast, boolean coerce) Casts to the given type unless it can be determined that the cast is unnecessary
protected boolean	emptyArguments(Expression arguments)
protected void	evaluateBinaryExpression(String method, BinaryExpression expression)
protected void	evaluateBinaryExpressionWithAssignment(String method, BinaryExpression expression)
protected void	evaluateCompareTo(BinaryExpression expression)
protected void	evaluateEqual(BinaryExpression expression, boolean defineVariable)
protected void	evaluateExpression(Expression expression)
protected void	evaluateInstanceof(BinaryExpression expression)
protected void	evaluateLogicalAndExpression(BinaryExpression expression)
protected void	evaluateLogicalOrExpression(BinaryExpression expression)
protected void	evaluatePostfixMethod(String method, Expression expression)
protected void	evaluatePrefixMethod(String method, Expression expression)
protected int	getBytecodeVersion()
protected Parameter[]	getClosureSharedVariables(ClosureExpression ce)
protected CompileUnit	getCompileUnit()
protected ClassNode	getExpressionType(Expression expression)
protected ClassNode	getLHSType(Expression leftExpression) Deduces the type name required for some casting
static String	getMopMethodName(MethodNode method, boolean useThis) creates a MOP method name from a method
protected ClassNode	getOutermostClass()
protected SourceUnit	getSourceUnit()
protected boolean	isComparisonExpression(Expression expression)
protected boolean	isFieldOrVariable(String name)
protected boolean	isGroovyObject(Expression objectExpression)
protected boolean	isInClosure()
protected boolean	isInClosureConstructor()
protected boolean	isInScriptBody()
static boolean	isMopMethod(String methodName) method to determine if a method is a MOP method.
protected boolean	isNotExplicitThisInClosure(boolean implicitThis)
protected boolean	isPopRequired(Expression expression)
protected boolean	isStaticMethod()
protected boolean	isValidTypeForCast(ClassNode type)
void	loadInstanceField(FieldExpression fldExp) RHS instance field. should move most of the code in the BytecodeHelper
void	loadStaticField(FieldExpression fldExp)
protected void	loadThisOrOwner() Loads either this object or if we're inside a closure then load the top level owner
protected void	onLineNumber(ASTNode statement, String message)
protected void	processClassVariable(String name)
protected void	processFieldAccess(String name, FieldNode field, int steps)
protected void	processStackVariable(Variable variable, boolean useReferenceDirectly)
void	storeStaticField(FieldExpression expression)
void	storeThisInstanceField(FieldExpression expression)
static boolean	usesSuper(MethodCallExpression call)
static boolean	usesSuper(PropertyExpression pe)
protected void	visitAndAutoboxBoolean(Expression expression)
void	visitAnnotations(AnnotatedNode node) Note: ignore it.
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 block)
void	visitBooleanExpression(BooleanExpression expression) return a primitive boolean value of the BooleanExpresion.
void	visitBreakStatement(BreakStatement statement)
void	visitBytecodeExpression(BytecodeExpression cle)
void	visitBytecodeSequence(BytecodeSequence bytecodeSequence)
void	visitCaseStatement(CaseStatement statement)
void	visitCaseStatement(CaseStatement statement, int switchVariableIndex, org.objectweb.asm.Label thisLabel, org.objectweb.asm.Label nextLabel)
void	visitCastExpression(CastExpression castExpression)
void	visitClass(ClassNode classNode)
void	visitClassExpression(ClassExpression expression) load class object on stack
void	visitClosureExpression(ClosureExpression expression)
void	visitClosureListExpression(ClosureListExpression expression)
void	visitConstantExpression(ConstantExpression expression) Generate byte code for constants
void	visitConstructor(ConstructorNode node)
void	visitConstructorCallExpression(ConstructorCallExpression call)
protected void	visitConstructorOrMethod(MethodNode node, boolean isConstructor)
void	visitContinueStatement(ContinueStatement statement)
void	visitDeclarationExpression(DeclarationExpression expression)
void	visitDoWhileLoop(DoWhileStatement loop)
void	visitExpressionStatement(ExpressionStatement statement)
void	visitField(FieldNode fieldNode)
void	visitFieldExpression(FieldExpression expression)
void	visitForLoop(ForStatement loop)
void	visitGenericType(GenericsType genericsType)
void	visitGStringExpression(GStringExpression expression)
void	visitIfElse(IfStatement ifElse)
void	visitListExpression(ListExpression expression)
void	visitMapEntryExpression(MapEntryExpression expression)
void	visitMapExpression(MapExpression expression)
void	visitMethod(MethodNode node)
void	visitMethodCallExpression(MethodCallExpression call)
void	visitMethodPointerExpression(MethodPointerExpression expression)
void	visitNotExpression(NotExpression expression)
protected void	visitOuterFieldExpression(FieldExpression expression, ClassNode outerClassNode, int steps, boolean first)
void	visitPostfixExpression(PostfixExpression expression)
void	visitPrefixExpression(PrefixExpression expression)
void	visitProperty(PropertyNode statement)
void	visitPropertyExpression(PropertyExpression expression)
void	visitRangeExpression(RangeExpression expression)
void	visitRegexExpression(RegexExpression 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) Visits a bare (unqualified) variable expression.
void	visitWhileLoop(WhileStatement loop)

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

getClassLoader, getInnerClasses

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

addError, visitCatchStatement, visitClassCodeContainer, visitImports, visitPackage

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

visitEmptyStatement, visitListOfExpressions, visitShortTernaryExpression

Methods inherited from class java.lang.Object

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

Field Detail

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

Constructor Detail

AsmClassGenerator

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

Method Detail

getSourceUnit

protected SourceUnit getSourceUnit()

Overrides:

getSourceUnit in class ClassGenerator

visitClass

public void visitClass(ClassNode classNode)

Specified by:

visitClass in interface GroovyClassVisitor

Overrides:

visitClass in class ClassCodeVisitorSupport

visitGenericType

public void visitGenericType(GenericsType genericsType)

getMopMethodName

public static String getMopMethodName(MethodNode method,
                                      boolean useThis)

creates a MOP method name from a method

Parameters:

method - the method to be called by the mop method

useThis - if true, then it is a call on "this", "super" else

Returns:

the mop method name

isMopMethod

public static boolean isMopMethod(String methodName)

method to determine if a method is a MOP method. This is done by the method name. If the name starts with "this$" or "super$", then it is a MOP method

Parameters:

methodName - name of the method to test

Returns:

true if the method is a MOP method

visitConstructorOrMethod

protected void visitConstructorOrMethod(MethodNode node,
                                        boolean isConstructor)

Overrides:

visitConstructorOrMethod in class ClassCodeVisitorSupport

visitConstructor

public void visitConstructor(ConstructorNode node)

Specified by:

visitConstructor in interface GroovyClassVisitor

Overrides:

visitConstructor in class ClassCodeVisitorSupport

visitMethod

public void visitMethod(MethodNode node)

Specified by:

visitMethod in interface GroovyClassVisitor

Overrides:

visitMethod in class ClassCodeVisitorSupport

visitField

public void visitField(FieldNode fieldNode)

Specified by:

visitField in interface GroovyClassVisitor

Overrides:

visitField in class ClassCodeVisitorSupport

visitProperty

public void visitProperty(PropertyNode statement)

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 block)

Specified by:

visitBlockStatement in interface GroovyCodeVisitor

Overrides:

visitBlockStatement in class ClassCodeVisitorSupport

visitForLoop

public void visitForLoop(ForStatement loop)

Specified by:

visitForLoop in interface GroovyCodeVisitor

Overrides:

visitForLoop in class ClassCodeVisitorSupport

visitWhileLoop

public void visitWhileLoop(WhileStatement loop)

Specified by:

visitWhileLoop in interface GroovyCodeVisitor

Overrides:

visitWhileLoop in class ClassCodeVisitorSupport

visitDoWhileLoop

public void visitDoWhileLoop(DoWhileStatement loop)

Specified by:

visitDoWhileLoop in interface GroovyCodeVisitor

Overrides:

visitDoWhileLoop in class ClassCodeVisitorSupport

visitIfElse

public void visitIfElse(IfStatement ifElse)

Specified by:

visitIfElse in interface GroovyCodeVisitor

Overrides:

visitIfElse in class ClassCodeVisitorSupport

visitTernaryExpression

public void visitTernaryExpression(TernaryExpression expression)

Specified by:

visitTernaryExpression in interface GroovyCodeVisitor

Overrides:

visitTernaryExpression in class CodeVisitorSupport

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

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

visitCaseStatement

public void visitCaseStatement(CaseStatement statement,
                               int switchVariableIndex,
                               org.objectweb.asm.Label thisLabel,
                               org.objectweb.asm.Label nextLabel)

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

doConvertAndCast

protected void doConvertAndCast(ClassNode type,
                                Expression expression,
                                boolean ignoreAutoboxing,
                                boolean forceCast,
                                boolean coerce)

Casts to the given type unless it can be determined that the cast is unnecessary

evaluateExpression

protected void evaluateExpression(Expression expression)

Parameters:

expression -

visitExpressionStatement

public void visitExpressionStatement(ExpressionStatement statement)

Specified by:

visitExpressionStatement in interface GroovyCodeVisitor

Overrides:

visitExpressionStatement in class ClassCodeVisitorSupport

visitDeclarationExpression

public void visitDeclarationExpression(DeclarationExpression expression)

Specified by:

visitDeclarationExpression in interface GroovyCodeVisitor

Overrides:

visitDeclarationExpression in class CodeVisitorSupport

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

loadThisOrOwner

protected void loadThisOrOwner()

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

visitRegexExpression

public void visitRegexExpression(RegexExpression expression)

Specified by:

visitRegexExpression in interface GroovyCodeVisitor

Overrides:

visitRegexExpression in class CodeVisitorSupport

visitConstantExpression

public void visitConstantExpression(ConstantExpression expression)

Generate 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

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)

return a primitive boolean value of the BooleanExpresion.

Specified by:

visitBooleanExpression in interface GroovyCodeVisitor

Overrides:

visitBooleanExpression in class CodeVisitorSupport

Parameters:

expression -

visitMethodCallExpression

public void visitMethodCallExpression(MethodCallExpression call)

Specified by:

visitMethodCallExpression in interface GroovyCodeVisitor

Overrides:

visitMethodCallExpression in class CodeVisitorSupport

emptyArguments

protected boolean emptyArguments(Expression arguments)

containsSpreadExpression

protected static boolean containsSpreadExpression(Expression arguments)

argumentSize

protected static int argumentSize(Expression arguments)

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

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

isGroovyObject

protected boolean isGroovyObject(Expression objectExpression)

visitFieldExpression

public void visitFieldExpression(FieldExpression expression)

Specified by:

visitFieldExpression in interface GroovyCodeVisitor

Overrides:

visitFieldExpression in class CodeVisitorSupport

loadStaticField

public void loadStaticField(FieldExpression fldExp)

Parameters:

fldExp -

loadInstanceField

public void loadInstanceField(FieldExpression fldExp)

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

Parameters:

fldExp -

storeThisInstanceField

public void storeThisInstanceField(FieldExpression expression)

storeStaticField

public void storeStaticField(FieldExpression expression)

visitOuterFieldExpression

protected void visitOuterFieldExpression(FieldExpression expression,
                                         ClassNode outerClassNode,
                                         int steps,
                                         boolean first)

visitVariableExpression

public void visitVariableExpression(VariableExpression expression)

Visits a bare (unqualified) variable expression.

Specified by:

visitVariableExpression in interface GroovyCodeVisitor

Overrides:

visitVariableExpression in class ClassCodeVisitorSupport

processStackVariable

protected void processStackVariable(Variable variable,
                                    boolean useReferenceDirectly)

processClassVariable

protected void processClassVariable(String name)

processFieldAccess

protected void processFieldAccess(String name,
                                  FieldNode field,
                                  int steps)

isInScriptBody

protected boolean isInScriptBody()

Returns:

true if we are in a script body, where all variables declared are no longer local variables but are properties

isPopRequired

protected boolean isPopRequired(Expression expression)

Returns:

true if this expression will have left a value on the stack that must be popped

createInterfaceSyntheticStaticFields

protected void createInterfaceSyntheticStaticFields()

createSyntheticStaticFields

protected void createSyntheticStaticFields()

visitClassExpression

public void visitClassExpression(ClassExpression expression)

load class object on stack

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

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)

Note: ignore it. Annotation generation needs the current visitor.

Overrides:

visitAnnotations in class ClassCodeVisitorSupport

addInnerClass

protected boolean addInnerClass(ClassNode innerClass)

createClosureClass

protected ClassNode createClosureClass(ClosureExpression expression)

getClosureSharedVariables

protected Parameter[] getClosureSharedVariables(ClosureExpression ce)

getOutermostClass

protected ClassNode getOutermostClass()

doConvertAndCast

protected void doConvertAndCast(ClassNode type)

doConvertAndCast

protected void doConvertAndCast(ClassNode type,
                                boolean coerce)

evaluateLogicalOrExpression

protected void evaluateLogicalOrExpression(BinaryExpression expression)

evaluateLogicalAndExpression

protected void evaluateLogicalAndExpression(BinaryExpression expression)

evaluateBinaryExpression

protected void evaluateBinaryExpression(String method,
                                        BinaryExpression expression)

evaluateCompareTo

protected void evaluateCompareTo(BinaryExpression expression)

evaluateBinaryExpressionWithAssignment

protected void evaluateBinaryExpressionWithAssignment(String method,
                                                      BinaryExpression expression)

evaluateEqual

protected void evaluateEqual(BinaryExpression expression,
                             boolean defineVariable)

getLHSType

protected ClassNode getLHSType(Expression leftExpression)

Deduces the type name required for some casting

Returns:

the type of the given (LHS) expression or null if it is java.lang.Object or it cannot be deduced

isValidTypeForCast

protected boolean isValidTypeForCast(ClassNode type)

visitBytecodeExpression

public void visitBytecodeExpression(BytecodeExpression cle)

Specified by:

visitBytecodeExpression in interface GroovyCodeVisitor

Overrides:

visitBytecodeExpression in class CodeVisitorSupport

visitAndAutoboxBoolean

protected void visitAndAutoboxBoolean(Expression expression)

evaluatePrefixMethod

protected void evaluatePrefixMethod(String method,
                                    Expression expression)

evaluatePostfixMethod

protected void evaluatePostfixMethod(String method,
                                     Expression expression)

evaluateInstanceof

protected void evaluateInstanceof(BinaryExpression expression)

argumentsUseStack

protected boolean argumentsUseStack(Expression arguments)

Returns:

true if the given argument expression requires the stack, in which case the arguments are evaluated first, stored in the variable stack and then reloaded to make a method call

createReturnLHSExpression

protected Expression createReturnLHSExpression(Expression expression)

For assignment expressions, return a safe expression for the LHS we can use to return the value

createReusableExpression

protected Expression createReusableExpression(Expression expression)

isComparisonExpression

protected boolean isComparisonExpression(Expression expression)

onLineNumber

protected void onLineNumber(ASTNode statement,
                            String message)

isFieldOrVariable

protected boolean isFieldOrVariable(String name)

Returns:

true if the given name is a local variable or a field

getExpressionType

protected ClassNode getExpressionType(Expression expression)

Returns:

if the type of the expression can be determined at compile time then this method returns the type - otherwise null

isInClosureConstructor

protected boolean isInClosureConstructor()

isInClosure

protected boolean isInClosure()

isNotExplicitThisInClosure

protected boolean isNotExplicitThisInClosure(boolean implicitThis)

isStaticMethod

protected boolean isStaticMethod()

getCompileUnit

protected CompileUnit getCompileUnit()

usesSuper

public static boolean usesSuper(MethodCallExpression call)

usesSuper

public static boolean usesSuper(PropertyExpression pe)

getBytecodeVersion

protected int getBytecodeVersion()