org.codehaus.groovy.transform.stc
Class StaticTypeCheckingVisitor

java.lang.Object
  org.codehaus.groovy.ast.CodeVisitorSupport
      org.codehaus.groovy.ast.ClassCodeVisitorSupport
          org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor

All Implemented Interfaces:

GroovyClassVisitor, GroovyCodeVisitor

public class StaticTypeCheckingVisitor
extends ClassCodeVisitorSupport

The main class code visitor responsible for static type checking. It will perform various inspections like checking assignment types, type inference, ... Eventually, class nodes may be annotated with inferred type information.

Author:

Cedric Champeau, Jochen Theodorou

Constructor Summary

StaticTypeCheckingVisitor(SourceUnit source, ClassNode cn)

Method Summary

protected void	addStaticTypeError(String msg, ASTNode expr)
protected SourceUnit	getSourceUnit()
void	performSecondPass()
void	setMethodsToBeVisited(Set<MethodNode> methodsToBeVisited)
void	visitAttributeExpression(AttributeExpression expression)
void	visitBinaryExpression(BinaryExpression expression)
void	visitBitwiseNegationExpression(BitwiseNegationExpression expression)
void	visitCastExpression(CastExpression expression)
void	visitClass(ClassNode node) Visit a ClassNode.
void	visitClosureExpression(ClosureExpression expression)
void	visitConstructorCallExpression(ConstructorCallExpression call)
protected void	visitConstructorOrMethod(MethodNode node, boolean isConstructor)
void	visitForLoop(ForStatement forLoop)
void	visitIfElse(IfStatement ifElse)
void	visitMethod(MethodNode node) Visit a MethodNode.
void	visitMethodCallExpression(MethodCallExpression call)
void	visitPropertyExpression(PropertyExpression pexp)
void	visitReturnStatement(ReturnStatement statement)
void	visitTernaryExpression(TernaryExpression expression)
void	visitUnaryMinusExpression(UnaryMinusExpression expression)
void	visitUnaryPlusExpression(UnaryPlusExpression expression)
void	visitVariableExpression(VariableExpression vexp)
void	visitWhileLoop(WhileStatement loop)

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

addError, visitAnnotations, visitAssertStatement, visitBlockStatement, visitBreakStatement, visitCaseStatement, visitCatchStatement, visitClassCodeContainer, visitConstructor, visitContinueStatement, visitDeclarationExpression, visitDoWhileLoop, visitExpressionStatement, visitField, visitImports, visitObjectInitializerStatements, visitPackage, visitProperty, visitStatement, visitSwitch, visitSynchronizedStatement, visitThrowStatement, visitTryCatchFinally

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

visitArgumentlistExpression, visitArrayExpression, visitBooleanExpression, visitBytecodeExpression, visitClassExpression, visitClosureListExpression, visitConstantExpression, visitEmptyStatement, visitFieldExpression, visitGStringExpression, visitListExpression, visitListOfExpressions, visitMapEntryExpression, visitMapExpression, visitMethodPointerExpression, visitNotExpression, visitPostfixExpression, visitPrefixExpression, visitRangeExpression, visitShortTernaryExpression, visitSpreadExpression, visitSpreadMapExpression, visitStaticMethodCallExpression, visitTupleExpression

Methods inherited from class java.lang.Object

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

Constructor Detail

StaticTypeCheckingVisitor

public StaticTypeCheckingVisitor(SourceUnit source,
                                 ClassNode cn)

Method Detail

getSourceUnit

protected SourceUnit getSourceUnit()

Specified by:

getSourceUnit in class ClassCodeVisitorSupport

visitClass

public void visitClass(ClassNode node)

Description copied from interface: GroovyClassVisitor

Visit a ClassNode.

Specified by:

visitClass in interface GroovyClassVisitor

Overrides:

visitClass in class ClassCodeVisitorSupport

visitVariableExpression

public void visitVariableExpression(VariableExpression vexp)

Specified by:

visitVariableExpression in interface GroovyCodeVisitor

Overrides:

visitVariableExpression in class CodeVisitorSupport

visitPropertyExpression

public void visitPropertyExpression(PropertyExpression pexp)

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

visitBinaryExpression

public void visitBinaryExpression(BinaryExpression expression)

Specified by:

visitBinaryExpression in interface GroovyCodeVisitor

Overrides:

visitBinaryExpression in class CodeVisitorSupport

visitForLoop

public void visitForLoop(ForStatement forLoop)

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

visitBitwiseNegationExpression

public void visitBitwiseNegationExpression(BitwiseNegationExpression expression)

Specified by:

visitBitwiseNegationExpression in interface GroovyCodeVisitor

Overrides:

visitBitwiseNegationExpression in class CodeVisitorSupport

visitUnaryPlusExpression

public void visitUnaryPlusExpression(UnaryPlusExpression expression)

Specified by:

visitUnaryPlusExpression in interface GroovyCodeVisitor

Overrides:

visitUnaryPlusExpression in class CodeVisitorSupport

visitUnaryMinusExpression

public void visitUnaryMinusExpression(UnaryMinusExpression expression)

Specified by:

visitUnaryMinusExpression in interface GroovyCodeVisitor

Overrides:

visitUnaryMinusExpression in class CodeVisitorSupport

visitConstructorOrMethod

protected void visitConstructorOrMethod(MethodNode node,
                                        boolean isConstructor)

Overrides:

visitConstructorOrMethod in class ClassCodeVisitorSupport

visitReturnStatement

public void visitReturnStatement(ReturnStatement statement)

Specified by:

visitReturnStatement in interface GroovyCodeVisitor

Overrides:

visitReturnStatement in class ClassCodeVisitorSupport

visitConstructorCallExpression

public void visitConstructorCallExpression(ConstructorCallExpression call)

Specified by:

visitConstructorCallExpression in interface GroovyCodeVisitor

Overrides:

visitConstructorCallExpression in class CodeVisitorSupport

visitClosureExpression

public void visitClosureExpression(ClosureExpression expression)

Specified by:

visitClosureExpression in interface GroovyCodeVisitor

Overrides:

visitClosureExpression in class CodeVisitorSupport

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

visitMethodCallExpression

public void visitMethodCallExpression(MethodCallExpression call)

Specified by:

visitMethodCallExpression in interface GroovyCodeVisitor

Overrides:

visitMethodCallExpression in class CodeVisitorSupport

visitIfElse

public void visitIfElse(IfStatement ifElse)

Specified by:

visitIfElse in interface GroovyCodeVisitor

Overrides:

visitIfElse in class ClassCodeVisitorSupport

visitCastExpression

public void visitCastExpression(CastExpression expression)

Specified by:

visitCastExpression in interface GroovyCodeVisitor

Overrides:

visitCastExpression in class CodeVisitorSupport

visitTernaryExpression

public void visitTernaryExpression(TernaryExpression expression)

Specified by:

visitTernaryExpression in interface GroovyCodeVisitor

Overrides:

visitTernaryExpression in class CodeVisitorSupport

addStaticTypeError

protected void addStaticTypeError(String msg,
                                  ASTNode expr)

setMethodsToBeVisited

public void setMethodsToBeVisited(Set<MethodNode> methodsToBeVisited)

performSecondPass

public void performSecondPass()