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java.lang.Objectpolyglot.ext.jl.ast.Node_c
polyglot.ext.jl.ast.Term_c
polyglot.ext.jl.ast.Stmt_c
polyglot.ext.jl.ast.Return_c
public class Return_c
A Return represents a return statement in Java.
It may or may not return a value. If not expr() should return
null.
| Field Summary | |
|---|---|
protected Expr |
expr
|
| Fields inherited from class polyglot.ext.jl.ast.Term_c |
|---|
exceptions, reachable |
| Fields inherited from class polyglot.ext.jl.ast.Node_c |
|---|
del, ext, position |
| Constructor Summary | |
|---|---|
Return_c(Position pos,
Expr expr)
|
|
| Method Summary | |
|---|---|
java.util.List |
acceptCFG(CFGBuilder v,
java.util.List succs)
Visit this term in evaluation order. |
Type |
childExpectedType(Expr child,
AscriptionVisitor av)
Get the expected type of a child expression of this. |
Term |
entry()
Return the first (sub)term performed when evaluating this term. |
Expr |
expr()
Get the expression to return, or null. |
Return |
expr(Expr expr)
Set the expression to return, or null. |
void |
prettyPrint(CodeWriter w,
PrettyPrinter tr)
Write the statement to an output file. |
protected Return_c |
reconstruct(Expr expr)
Reconstruct the statement. |
java.lang.String |
toString()
|
Node |
typeCheck(TypeChecker tc)
Type check the statement. |
Node |
visitChildren(NodeVisitor v)
Visit the children of the statement. |
| Methods inherited from class polyglot.ext.jl.ast.Term_c |
|---|
exceptionCheck, exceptions, exceptions, listEntry, reachable, reachable |
| Methods inherited from class polyglot.ext.jl.ast.Node_c |
|---|
addDecls, addMembers, addMembersEnter, addMembersOverride, buildTypes, buildTypesEnter, buildTypesOverride, copy, del, del, disambiguate, disambiguateEnter, disambiguateOverride, dump, enterScope, enterScope, exceptionCheckEnter, exceptionCheckOverride, ext, ext, ext, ext, init, node, position, position, print, printBlock, printSubStmt, throwTypes, translate, typeCheckEnter, typeCheckOverride, visit, visitChild, visitEdge, visitList |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Methods inherited from interface polyglot.ast.Term |
|---|
exceptions, exceptions, reachable, reachable |
| Methods inherited from interface polyglot.ast.Node |
|---|
del, del, dump, ext, ext, ext, ext, position, position, visit, visitChild, visitEdge, visitList |
| Methods inherited from interface polyglot.ast.JL |
|---|
init, node |
| Methods inherited from interface polyglot.ast.NodeOps |
|---|
addDecls, addMembers, addMembersEnter, buildTypes, buildTypesEnter, disambiguate, disambiguateEnter, enterScope, enterScope, exceptionCheck, exceptionCheckEnter, throwTypes, translate, typeCheckEnter |
| Methods inherited from interface polyglot.util.Copy |
|---|
copy |
| Field Detail |
|---|
protected Expr expr
| Constructor Detail |
|---|
public Return_c(Position pos,
Expr expr)
| Method Detail |
|---|
public Expr expr()
expr in interface Returnpublic Return expr(Expr expr)
expr in interface Returnprotected Return_c reconstruct(Expr expr)
public Node visitChildren(NodeVisitor v)
visitChildren in interface NodeOpsvisitChildren in class Node_cv - The visitor that will traverse/rewrite the AST.
this.
public Node typeCheck(TypeChecker tc)
throws SemanticException
typeCheck in interface NodeOpstypeCheck in class Node_ctc - The type checking visitor.
SemanticException
public Type childExpectedType(Expr child,
AscriptionVisitor av)
Nodethis.
The expected type is determined by the context in that the child occurs
(e.g., for x = e, the expected type of e is
the declared type of x.
The expected type should impose the least constraints on the child's
type that are allowed by the parent node.
childExpectedType in interface NodechildExpectedType in class Node_cchild - A child expression of this node.av - An ascription visitor.
child.public java.lang.String toString()
toString in class Node_c
public void prettyPrint(CodeWriter w,
PrettyPrinter tr)
prettyPrint in interface NodeOpsprettyPrint in class Node_cw - The code writer to which to write.tr - The pretty printer. This is not a visitor.public Term entry()
Term_c
entry in interface Termentry in class Term_c
public java.util.List acceptCFG(CFGBuilder v,
java.util.List succs)
Term_c
acceptCFG in interface TermacceptCFG in class Term_c
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