Class UTemplater

java.lang.Object

com.sun.source.util.SimpleTreeVisitor<Tree,Void>

com.google.errorprone.refaster.UTemplater

All Implemented Interfaces:

TreeVisitor<Tree,Void>

public class UTemplater
extends SimpleTreeVisitor<Tree,Void>

Converts a type-checked syntax tree to a portable UTree template.

Author:

lowasser@google.com (Louis Wasserman)

Field Summary

Fields

Modifier and Type	Field	Description
static final com.sun.tools.javac.util.Context.Key<Boolean>	REQUIRE_BLOCK_KEY	Context key to indicate that templates should be treated as BlockTemplates, regardless of their structure.

Fields inherited from class SimpleTreeVisitor

DEFAULT_VALUE

Constructor Summary

Constructors

Constructor	Description
UTemplater(Map<String, com.sun.tools.javac.code.Symbol.VarSymbol> freeVariables, com.sun.tools.javac.util.Context context)

Method Summary

Modifier and Type	Method	Description
static com.google.common.collect.ImmutableClassToInstanceMap<Annotation>	annotationMap(com.sun.tools.javac.code.Symbol symbol)
static Template<?>	createTemplate(com.sun.tools.javac.util.Context context, MethodTree decl)	Returns a template based on a method.
protected UTree<?>	defaultAction(Tree tree, Void v)
static com.google.common.collect.ImmutableMap<String, com.sun.tools.javac.code.Symbol.VarSymbol>	freeExpressionVariables(MethodTree templateMethodDecl)
UExpression	template(ExpressionTree tree)
UStatement	template(StatementTree tree)
Tree	template(Tree tree)
UType	template(com.sun.tools.javac.code.Type type)
UExpression	templateType(Tree tree)
com.google.errorprone.refaster.UAnnotatedType	visitAnnotatedType(AnnotatedTypeTree tree, Void v)
com.google.errorprone.refaster.UAnnotation	visitAnnotation(AnnotationTree tree, Void v)
com.google.errorprone.refaster.UArrayAccess	visitArrayAccess(ArrayAccessTree tree, Void v)
com.google.errorprone.refaster.UArrayTypeTree	visitArrayType(ArrayTypeTree tree, Void v)
com.google.errorprone.refaster.UAssert	visitAssert(AssertTree tree, Void v)
com.google.errorprone.refaster.UAssign	visitAssignment(AssignmentTree tree, Void v)
com.google.errorprone.refaster.UBinary	visitBinary(BinaryTree tree, Void v)
com.google.errorprone.refaster.UBlock	visitBlock(BlockTree tree, Void v)
com.google.errorprone.refaster.UBreak	visitBreak(BreakTree tree, Void v)
com.google.errorprone.refaster.UCatch	visitCatch(CatchTree tree, Void v)
com.google.errorprone.refaster.UClassDecl	visitClass(ClassTree tree, Void v)
com.google.errorprone.refaster.UAssignOp	visitCompoundAssignment(CompoundAssignmentTree tree, Void v)
UExpression	visitConditionalExpression(ConditionalExpressionTree tree, Void v)
com.google.errorprone.refaster.UContinue	visitContinue(ContinueTree tree, Void v)
com.google.errorprone.refaster.UDoWhileLoop	visitDoWhileLoop(DoWhileLoopTree tree, Void v)
com.google.errorprone.refaster.USkip	visitEmptyStatement(EmptyStatementTree tree, Void v)
com.google.errorprone.refaster.UEnhancedForLoop	visitEnhancedForLoop(EnhancedForLoopTree tree, Void v)
UStatement	visitExpressionStatement(ExpressionStatementTree tree, Void v)
com.google.errorprone.refaster.UForLoop	visitForLoop(ForLoopTree tree, Void v)
UExpression	visitIdentifier(IdentifierTree tree, Void v)
com.google.errorprone.refaster.UIf	visitIf(IfTree tree, Void v)
com.google.errorprone.refaster.UInstanceOf	visitInstanceOf(InstanceOfTree tree, Void v)
com.google.errorprone.refaster.UIntersectionType	visitIntersectionType(IntersectionTypeTree tree, Void v)
com.google.errorprone.refaster.ULabeledStatement	visitLabeledStatement(LabeledStatementTree tree, Void v)
com.google.errorprone.refaster.ULambda	visitLambdaExpression(LambdaExpressionTree tree, Void v)
ULiteral	visitLiteral(LiteralTree tree, Void v)
com.google.errorprone.refaster.UMemberReference	visitMemberReference(MemberReferenceTree tree, Void v)
UExpression	visitMemberSelect(MemberSelectTree tree, Void v)
com.google.errorprone.refaster.UMethodDecl	visitMethod(MethodTree decl, Void v)
UExpression	visitMethodInvocation(MethodInvocationTree tree, Void v)
com.google.errorprone.refaster.UModifiers	visitModifiers(ModifiersTree modifiers, Void v)
com.google.errorprone.refaster.UNewArray	visitNewArray(NewArrayTree tree, Void v)
com.google.errorprone.refaster.UNewClass	visitNewClass(NewClassTree tree, Void v)
com.google.errorprone.refaster.UTypeApply	visitParameterizedType(ParameterizedTypeTree tree, Void v)
com.google.errorprone.refaster.UParens	visitParenthesized(ParenthesizedTree tree, Void v)
com.google.errorprone.refaster.UPrimitiveTypeTree	visitPrimitiveType(PrimitiveTypeTree tree, Void v)
UStatement	visitReturn(ReturnTree tree, Void v)
com.google.errorprone.refaster.USynchronized	visitSynchronized(SynchronizedTree tree, Void v)
com.google.errorprone.refaster.UThrow	visitThrow(ThrowTree tree, Void v)
com.google.errorprone.refaster.UTry	visitTry(TryTree tree, Void v)
com.google.errorprone.refaster.UTypeCast	visitTypeCast(TypeCastTree tree, Void v)
com.google.errorprone.refaster.UTypeParameter	visitTypeParameter(TypeParameterTree tree, Void v)
com.google.errorprone.refaster.UUnary	visitUnary(UnaryTree tree, Void v)
com.google.errorprone.refaster.UUnionType	visitUnionType(UnionTypeTree tree, Void v)
UVariableDecl	visitVariable(VariableTree tree, Void v)
com.google.errorprone.refaster.UWhileLoop	visitWhileLoop(WhileLoopTree tree, Void v)
com.google.errorprone.refaster.UWildcard	visitWildcard(WildcardTree tree, Void v)

Methods inherited from class SimpleTreeVisitor

visit, visit, visitAnyPattern, visitBindingPattern, visitCase, visitCompilationUnit, visitConstantCaseLabel, visitDeconstructionPattern, visitDefaultCaseLabel, visitErroneous, visitExports, visitImport, visitModule, visitOpens, visitOther, visitPackage, visitPatternCaseLabel, visitProvides, visitRequires, visitSwitch, visitSwitchExpression, visitUses, visitYield

Methods inherited from class Object

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

Field Details

REQUIRE_BLOCK_KEY

public static final com.sun.tools.javac.util.Context.Key<Boolean> REQUIRE_BLOCK_KEY

Context key to indicate that templates should be treated as BlockTemplates, regardless of their structure.

Constructor Details

UTemplater

public UTemplater(Map<String, com.sun.tools.javac.code.Symbol.VarSymbol> freeVariables,
 com.sun.tools.javac.util.Context context)

Method Details

createTemplate

public static Template<?> createTemplate(com.sun.tools.javac.util.Context context,
 MethodTree decl)

Returns a template based on a method. One-line methods starting with a return statement are guessed to be expression templates, and all other methods are guessed to be block templates.

freeExpressionVariables

public static com.google.common.collect.ImmutableMap<String, com.sun.tools.javac.code.Symbol.VarSymbol> freeExpressionVariables(MethodTree templateMethodDecl)

template

public Tree template(Tree tree)

visitMethod

public com.google.errorprone.refaster.UMethodDecl visitMethod(MethodTree decl,
 Void v)

Specified by:

visitMethod in interface TreeVisitor<Tree,Void>

Overrides:

visitMethod in class SimpleTreeVisitor<Tree,Void>

visitModifiers

public com.google.errorprone.refaster.UModifiers visitModifiers(ModifiersTree modifiers,
 Void v)

Specified by:

visitModifiers in interface TreeVisitor<Tree,Void>

Overrides:

visitModifiers in class SimpleTreeVisitor<Tree,Void>

template

public UExpression template(ExpressionTree tree)

templateType

public UExpression templateType(Tree tree)

visitInstanceOf

public com.google.errorprone.refaster.UInstanceOf visitInstanceOf(InstanceOfTree tree,
 Void v)

Specified by:

visitInstanceOf in interface TreeVisitor<Tree,Void>

Overrides:

visitInstanceOf in class SimpleTreeVisitor<Tree,Void>

visitPrimitiveType

public com.google.errorprone.refaster.UPrimitiveTypeTree visitPrimitiveType(PrimitiveTypeTree tree,
 Void v)

Specified by:

visitPrimitiveType in interface TreeVisitor<Tree,Void>

Overrides:

visitPrimitiveType in class SimpleTreeVisitor<Tree,Void>

visitLiteral

public ULiteral visitLiteral(LiteralTree tree,
 Void v)

Specified by:

visitLiteral in interface TreeVisitor<Tree,Void>

Overrides:

visitLiteral in class SimpleTreeVisitor<Tree,Void>

visitParenthesized

public com.google.errorprone.refaster.UParens visitParenthesized(ParenthesizedTree tree,
 Void v)

Specified by:

visitParenthesized in interface TreeVisitor<Tree,Void>

Overrides:

visitParenthesized in class SimpleTreeVisitor<Tree,Void>

visitAssignment

public com.google.errorprone.refaster.UAssign visitAssignment(AssignmentTree tree,
 Void v)

Specified by:

visitAssignment in interface TreeVisitor<Tree,Void>

Overrides:

visitAssignment in class SimpleTreeVisitor<Tree,Void>

visitArrayAccess

public com.google.errorprone.refaster.UArrayAccess visitArrayAccess(ArrayAccessTree tree,
 Void v)

Specified by:

visitArrayAccess in interface TreeVisitor<Tree,Void>

Overrides:

visitArrayAccess in class SimpleTreeVisitor<Tree,Void>

visitAnnotation

public com.google.errorprone.refaster.UAnnotation visitAnnotation(AnnotationTree tree,
 Void v)

Specified by:

visitAnnotation in interface TreeVisitor<Tree,Void>

Overrides:

visitAnnotation in class SimpleTreeVisitor<Tree,Void>

visitAnnotatedType

public com.google.errorprone.refaster.UAnnotatedType visitAnnotatedType(AnnotatedTypeTree tree,
 Void v)

Specified by:

visitAnnotatedType in interface TreeVisitor<Tree,Void>

Overrides:

visitAnnotatedType in class SimpleTreeVisitor<Tree,Void>

visitMemberSelect

public UExpression visitMemberSelect(MemberSelectTree tree,
 Void v)

Specified by:

visitMemberSelect in interface TreeVisitor<Tree,Void>

Overrides:

visitMemberSelect in class SimpleTreeVisitor<Tree,Void>

visitMethodInvocation

public UExpression visitMethodInvocation(MethodInvocationTree tree,
 Void v)

Specified by:

visitMethodInvocation in interface TreeVisitor<Tree,Void>

Overrides:

visitMethodInvocation in class SimpleTreeVisitor<Tree,Void>

visitBinary

public com.google.errorprone.refaster.UBinary visitBinary(BinaryTree tree,
 Void v)

Specified by:

visitBinary in interface TreeVisitor<Tree,Void>

Overrides:

visitBinary in class SimpleTreeVisitor<Tree,Void>

visitCompoundAssignment

public com.google.errorprone.refaster.UAssignOp visitCompoundAssignment(CompoundAssignmentTree tree,
 Void v)

Specified by:

visitCompoundAssignment in interface TreeVisitor<Tree,Void>

Overrides:

visitCompoundAssignment in class SimpleTreeVisitor<Tree,Void>

visitUnary

public com.google.errorprone.refaster.UUnary visitUnary(UnaryTree tree,
 Void v)

Specified by:

visitUnary in interface TreeVisitor<Tree,Void>

Overrides:

visitUnary in class SimpleTreeVisitor<Tree,Void>

visitConditionalExpression

public UExpression visitConditionalExpression(ConditionalExpressionTree tree,
 Void v)

Specified by:

visitConditionalExpression in interface TreeVisitor<Tree,Void>

Overrides:

visitConditionalExpression in class SimpleTreeVisitor<Tree,Void>

visitNewArray

public com.google.errorprone.refaster.UNewArray visitNewArray(NewArrayTree tree,
 Void v)

Specified by:

visitNewArray in interface TreeVisitor<Tree,Void>

Overrides:

visitNewArray in class SimpleTreeVisitor<Tree,Void>

visitNewClass

public com.google.errorprone.refaster.UNewClass visitNewClass(NewClassTree tree,
 Void v)

Specified by:

visitNewClass in interface TreeVisitor<Tree,Void>

Overrides:

visitNewClass in class SimpleTreeVisitor<Tree,Void>

visitClass

public com.google.errorprone.refaster.UClassDecl visitClass(ClassTree tree,
 Void v)

Specified by:

visitClass in interface TreeVisitor<Tree,Void>

Overrides:

visitClass in class SimpleTreeVisitor<Tree,Void>

visitArrayType

public com.google.errorprone.refaster.UArrayTypeTree visitArrayType(ArrayTypeTree tree,
 Void v)

Specified by:

visitArrayType in interface TreeVisitor<Tree,Void>

Overrides:

visitArrayType in class SimpleTreeVisitor<Tree,Void>

visitParameterizedType

public com.google.errorprone.refaster.UTypeApply visitParameterizedType(ParameterizedTypeTree tree,
 Void v)

Specified by:

visitParameterizedType in interface TreeVisitor<Tree,Void>

Overrides:

visitParameterizedType in class SimpleTreeVisitor<Tree,Void>

visitUnionType

public com.google.errorprone.refaster.UUnionType visitUnionType(UnionTypeTree tree,
 Void v)

Specified by:

visitUnionType in interface TreeVisitor<Tree,Void>

Overrides:

visitUnionType in class SimpleTreeVisitor<Tree,Void>

visitWildcard

public com.google.errorprone.refaster.UWildcard visitWildcard(WildcardTree tree,
 Void v)

Specified by:

visitWildcard in interface TreeVisitor<Tree,Void>

Overrides:

visitWildcard in class SimpleTreeVisitor<Tree,Void>

visitIntersectionType

public com.google.errorprone.refaster.UIntersectionType visitIntersectionType(IntersectionTypeTree tree,
 Void v)

Specified by:

visitIntersectionType in interface TreeVisitor<Tree,Void>

Overrides:

visitIntersectionType in class SimpleTreeVisitor<Tree,Void>

visitTypeParameter

public com.google.errorprone.refaster.UTypeParameter visitTypeParameter(TypeParameterTree tree,
 Void v)

Specified by:

visitTypeParameter in interface TreeVisitor<Tree,Void>

Overrides:

visitTypeParameter in class SimpleTreeVisitor<Tree,Void>

visitTypeCast

public com.google.errorprone.refaster.UTypeCast visitTypeCast(TypeCastTree tree,
 Void v)

Specified by:

visitTypeCast in interface TreeVisitor<Tree,Void>

Overrides:

visitTypeCast in class SimpleTreeVisitor<Tree,Void>

visitLambdaExpression

public com.google.errorprone.refaster.ULambda visitLambdaExpression(LambdaExpressionTree tree,
 Void v)

Specified by:

visitLambdaExpression in interface TreeVisitor<Tree,Void>

Overrides:

visitLambdaExpression in class SimpleTreeVisitor<Tree,Void>

visitMemberReference

public com.google.errorprone.refaster.UMemberReference visitMemberReference(MemberReferenceTree tree,
 Void v)

Specified by:

visitMemberReference in interface TreeVisitor<Tree,Void>

Overrides:

visitMemberReference in class SimpleTreeVisitor<Tree,Void>

visitIdentifier

public UExpression visitIdentifier(IdentifierTree tree,
 Void v)

Specified by:

visitIdentifier in interface TreeVisitor<Tree,Void>

Overrides:

visitIdentifier in class SimpleTreeVisitor<Tree,Void>

template

public UStatement template(StatementTree tree)

visitTry

public com.google.errorprone.refaster.UTry visitTry(TryTree tree,
 Void v)

Specified by:

visitTry in interface TreeVisitor<Tree,Void>

Overrides:

visitTry in class SimpleTreeVisitor<Tree,Void>

visitCatch

public com.google.errorprone.refaster.UCatch visitCatch(CatchTree tree,
 Void v)

Specified by:

visitCatch in interface TreeVisitor<Tree,Void>

Overrides:

visitCatch in class SimpleTreeVisitor<Tree,Void>

visitExpressionStatement

public UStatement visitExpressionStatement(ExpressionStatementTree tree,
 Void v)

Specified by:

visitExpressionStatement in interface TreeVisitor<Tree,Void>

Overrides:

visitExpressionStatement in class SimpleTreeVisitor<Tree,Void>

visitReturn

public UStatement visitReturn(ReturnTree tree,
 Void v)

Specified by:

visitReturn in interface TreeVisitor<Tree,Void>

Overrides:

visitReturn in class SimpleTreeVisitor<Tree,Void>

visitWhileLoop

public com.google.errorprone.refaster.UWhileLoop visitWhileLoop(WhileLoopTree tree,
 Void v)

Specified by:

visitWhileLoop in interface TreeVisitor<Tree,Void>

Overrides:

visitWhileLoop in class SimpleTreeVisitor<Tree,Void>

visitVariable

public UVariableDecl visitVariable(VariableTree tree,
 Void v)

Specified by:

visitVariable in interface TreeVisitor<Tree,Void>

Overrides:

visitVariable in class SimpleTreeVisitor<Tree,Void>

visitEmptyStatement

public com.google.errorprone.refaster.USkip visitEmptyStatement(EmptyStatementTree tree,
 Void v)

Specified by:

visitEmptyStatement in interface TreeVisitor<Tree,Void>

Overrides:

visitEmptyStatement in class SimpleTreeVisitor<Tree,Void>

visitForLoop

public com.google.errorprone.refaster.UForLoop visitForLoop(ForLoopTree tree,
 Void v)

Specified by:

visitForLoop in interface TreeVisitor<Tree,Void>

Overrides:

visitForLoop in class SimpleTreeVisitor<Tree,Void>

visitLabeledStatement

public com.google.errorprone.refaster.ULabeledStatement visitLabeledStatement(LabeledStatementTree tree,
 Void v)

Specified by:

visitLabeledStatement in interface TreeVisitor<Tree,Void>

Overrides:

visitLabeledStatement in class SimpleTreeVisitor<Tree,Void>

visitBreak

public com.google.errorprone.refaster.UBreak visitBreak(BreakTree tree,
 Void v)

Specified by:

visitBreak in interface TreeVisitor<Tree,Void>

Overrides:

visitBreak in class SimpleTreeVisitor<Tree,Void>

visitContinue

public com.google.errorprone.refaster.UContinue visitContinue(ContinueTree tree,
 Void v)

Specified by:

visitContinue in interface TreeVisitor<Tree,Void>

Overrides:

visitContinue in class SimpleTreeVisitor<Tree,Void>

visitBlock

public com.google.errorprone.refaster.UBlock visitBlock(BlockTree tree,
 Void v)

Specified by:

visitBlock in interface TreeVisitor<Tree,Void>

Overrides:

visitBlock in class SimpleTreeVisitor<Tree,Void>

visitThrow

public com.google.errorprone.refaster.UThrow visitThrow(ThrowTree tree,
 Void v)

Specified by:

visitThrow in interface TreeVisitor<Tree,Void>

Overrides:

visitThrow in class SimpleTreeVisitor<Tree,Void>

visitDoWhileLoop

public com.google.errorprone.refaster.UDoWhileLoop visitDoWhileLoop(DoWhileLoopTree tree,
 Void v)

Specified by:

visitDoWhileLoop in interface TreeVisitor<Tree,Void>

Overrides:

visitDoWhileLoop in class SimpleTreeVisitor<Tree,Void>

visitEnhancedForLoop

public com.google.errorprone.refaster.UEnhancedForLoop visitEnhancedForLoop(EnhancedForLoopTree tree,
 Void v)

Specified by:

visitEnhancedForLoop in interface TreeVisitor<Tree,Void>

Overrides:

visitEnhancedForLoop in class SimpleTreeVisitor<Tree,Void>

visitSynchronized

public com.google.errorprone.refaster.USynchronized visitSynchronized(SynchronizedTree tree,
 Void v)

Specified by:

visitSynchronized in interface TreeVisitor<Tree,Void>

Overrides:

visitSynchronized in class SimpleTreeVisitor<Tree,Void>

visitIf

public com.google.errorprone.refaster.UIf visitIf(IfTree tree,
 Void v)

Specified by:

visitIf in interface TreeVisitor<Tree,Void>

Overrides:

visitIf in class SimpleTreeVisitor<Tree,Void>

visitAssert

public com.google.errorprone.refaster.UAssert visitAssert(AssertTree tree,
 Void v)

Specified by:

visitAssert in interface TreeVisitor<Tree,Void>

Overrides:

visitAssert in class SimpleTreeVisitor<Tree,Void>

defaultAction

protected UTree<?> defaultAction(Tree tree,
 Void v)

Overrides:

defaultAction in class SimpleTreeVisitor<Tree,Void>

template

public UType template(com.sun.tools.javac.code.Type type)

annotationMap

public static com.google.common.collect.ImmutableClassToInstanceMap<Annotation> annotationMap(com.sun.tools.javac.code.Symbol symbol)