Package org.codehaus.groovy.transform.sc.transformers

Class StaticCompilationTransformer

java.lang.Object

org.codehaus.groovy.ast.CodeVisitorSupport

org.codehaus.groovy.ast.ClassCodeVisitorSupport

org.codehaus.groovy.ast.ClassCodeExpressionTransformer

org.codehaus.groovy.transform.sc.transformers.StaticCompilationTransformer

All Implemented Interfaces:

ExpressionTransformer, GroovyClassVisitor, GroovyCodeVisitor, ErrorCollecting

public class StaticCompilationTransformer
extends ClassCodeExpressionTransformer

Some expressions use symbols as aliases to method calls (<<, +=, ...). In static compilation, if such a method call is found, we transform the original binary expression into a method call expression so that the call gets statically compiled.

Field Summary

Fields

Modifier and Type	Field	Description
protected static final ClassNode	BYTECODE_ADAPTER_CLASS
protected static final Map<Integer,MethodNode>	BYTECODE_BINARY_ADAPTERS

Constructor Summary

Constructors

Constructor	Description
StaticCompilationTransformer(SourceUnit unit, StaticTypeCheckingVisitor visitor)

Method Summary

Modifier and Type	Method	Description
ClassNode	getClassNode()
protected SourceUnit	getSourceUnit()	Provides access to the SourceUnit for error reporting during visitation.
StaticTypesTypeChooser	getTypeChooser()
Expression	transform(Expression expr)	NOTE: This method does not visit Expressions within Closures, for performance and historical reasons.
void	visitClass(ClassNode node)	Visits a ClassNode, processing its annotations, package, imports, contents, and object initializers.
void	visitClassCodeContainer(Statement code)	Visits a code statement container, traversing it if present.
protected void	visitConstructorOrMethod(MethodNode node, boolean isConstructor)	Visits a constructor or method node (implementation detail for both visit methods).
void	visitField(FieldNode node)	Visits a FieldNode, processing its annotations and initial value expression if present.

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

setSourcePosition, visitAnnotation, visitAssertStatement, visitCaseStatement, visitClosureExpression, visitDoWhileLoop, visitExpressionStatement, visitForLoop, visitIfElse, visitProperty, visitReturnStatement, visitSwitch, visitSynchronizedStatement, visitThrowStatement, visitWhileLoop

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

addError, visitAnnotations, visitAnnotations, visitBlockStatement, visitBreakStatement, visitCatchStatement, visitConstructor, visitContinueStatement, visitDeclarationExpression, visitImports, visitMethod, visitObjectInitializerStatements, visitPackage, visitStatement, visitStatementAnnotations, visitTryCatchFinally

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

afterSwitchCaseStatementsVisited, afterSwitchConditionExpressionVisited, visitArgumentlistExpression, visitArrayExpression, visitAttributeExpression, visitBinaryExpression, visitBitwiseNegationExpression, visitBooleanExpression, visitBytecodeExpression, visitCastExpression, visitClassExpression, visitClosureListExpression, visitConstantExpression, visitConstructorCallExpression, visitEmptyStatement, visitFieldExpression, visitGStringExpression, visitLambdaExpression, visitListExpression, visitMapEntryExpression, visitMapExpression, visitMethodCallExpression, visitMethodPointerExpression, visitMethodReferenceExpression, visitNotExpression, visitPostfixExpression, visitPrefixExpression, visitPropertyExpression, visitRangeExpression, visitShortTernaryExpression, visitSpreadExpression, visitSpreadMapExpression, visitStaticMethodCallExpression, visitTernaryExpression, visitTupleExpression, visitUnaryMinusExpression, visitUnaryPlusExpression, visitVariableExpression

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

BYTECODE_ADAPTER_CLASS

protected static final ClassNode BYTECODE_ADAPTER_CLASS

BYTECODE_BINARY_ADAPTERS

protected static final Map<Integer,MethodNode> BYTECODE_BINARY_ADAPTERS

Constructor Details

StaticCompilationTransformer

public StaticCompilationTransformer(SourceUnit unit,
 StaticTypeCheckingVisitor visitor)

Method Details

getSourceUnit

protected SourceUnit getSourceUnit()

Description copied from class: ClassCodeVisitorSupport

Provides access to the SourceUnit for error reporting during visitation. Implementations must override this method.

Specified by:

getSourceUnit in class ClassCodeVisitorSupport

Returns:

the source unit for this visitor

getTypeChooser

public StaticTypesTypeChooser getTypeChooser()

getClassNode

public ClassNode getClassNode()

visitClassCodeContainer

public void visitClassCodeContainer(Statement code)

Description copied from class: ClassCodeVisitorSupport

Visits a code statement container, traversing it if present.

Overrides:

visitClassCodeContainer in class ClassCodeVisitorSupport

Parameters:

code - the statement to visit, may be null

transform

public Expression transform(Expression expr)

Description copied from class: ClassCodeExpressionTransformer

NOTE: This method does not visit Expressions within Closures, for performance and historical reasons. If you want those Expressions to be visited, you can do this:

 
 public class YourTransformer extends ClassCodeExpressionTransformer {
   ...

   @Override
   public Expression transform(final Expression expr) {
     if (expr instanceof ClosureExpression) {
       expr.visit(this);

       return expr;
     }
     // ...
   }
 }
 

Specified by:

transform in interface ExpressionTransformer

Overrides:

transform in class ClassCodeExpressionTransformer

Parameters:

expr - the expression to transform, may be null

Returns:

the transformed expression, may be the same instance, a new instance, or null

visitClass

public void visitClass(ClassNode node)

Description copied from class: ClassCodeVisitorSupport

Visits a ClassNode, processing its annotations, package, imports, contents, and object initializers.

Specified by:

visitClass in interface GroovyClassVisitor

Overrides:

visitClass in class ClassCodeVisitorSupport

Parameters:

node - the class node to visit

visitField

public void visitField(FieldNode node)

Description copied from class: ClassCodeVisitorSupport

Visits a FieldNode, processing its annotations and initial value expression if present.

Specified by:

visitField in interface GroovyClassVisitor

Overrides:

visitField in class ClassCodeExpressionTransformer

Parameters:

node - the field node to visit

visitConstructorOrMethod

protected void visitConstructorOrMethod(MethodNode node,
 boolean isConstructor)

Description copied from class: ClassCodeVisitorSupport

Visits a constructor or method node (implementation detail for both visit methods). Processes the node's annotations, all parameter annotations, and code block.

Overrides:

visitConstructorOrMethod in class ClassCodeExpressionTransformer

Parameters:

node - the method or constructor node

isConstructor - true if node is a constructor, false if it is a method