public class Do_c extends Loop_c implements Do
do
statement.
It contains a statement to be executed and an expression to be tested
indicating whether to reexecute the statement.Loop.Instance
exceptions, reachable
Constructor and Description |
---|
Do_c(Position pos,
Stmt body,
Expr cond) |
Do_c(Position pos,
Stmt body,
Expr cond,
Ext ext) |
Modifier and Type | Method and Description |
---|---|
<T> java.util.List<T> |
acceptCFG(CFGBuilder<?> v,
java.util.List<T> succs)
Visit this term in evaluation order, calling v.edge() for each successor
in succs, if data flows on that edge.
|
Do |
body(Stmt body)
Set the loop body.
|
Type |
childExpectedType(Expr child,
AscriptionVisitor av)
Get the expected type of a child expression of
this . |
Do |
cond(Expr cond)
Set the loop condition.
|
Term |
continueTarget()
Target of a continue statement in the loop body.
|
Node |
copy(NodeFactory nf)
Produce a copy of this node using the given NodeFactory.
|
Term |
firstChild()
Return the first direct subterm performed when evaluating this term.
|
void |
prettyPrint(CodeWriter w,
PrettyPrinter tr)
Pretty-print the AST using the given
CodeWriter . |
java.lang.String |
toString() |
Node |
typeCheck(TypeChecker tc)
Type check the AST.
|
Node |
visitChildren(NodeVisitor v)
Visit the children of the node.
|
body, body, cond, cond, condIsConstant, condIsConstantFalse, condIsConstantTrue, reconstruct
exceptionCheck, exceptions, exceptions, exceptions, extRewrite, listChild, reachable, reachable, reachable
addDecls, buildTypes, buildTypesEnter, checkConstants, copy, copy, copyIfNeeded, del, del, disambiguate, disambiguateEnter, disambiguateOverride, dump, dump, dump, dump, dump, enterChildScope, enterScope, error, error, error, exceptionCheckEnter, ext, ext, ext, ext, extRewriteEnter, isDisambiguated, isTypeChecked, lang, position, position, position, prettyPrint, prettyPrint, prettyPrint, prettyPrint, print, printBlock, printSubStmt, throwTypes, translate, typeCheckEnter, typeCheckOverride, visit, visitChild, visitEdge, visitList
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
exceptions, exceptions, reachable, reachable
del, del, dump, error, error, ext, ext, ext, ext, isDisambiguated, isTypeChecked, position, position, visit, visitEdge
addDecls, buildTypes, buildTypesEnter, checkConstants, copy, disambiguate, disambiguateEnter, disambiguateOverride, dump, dump, dump, dump, enterChildScope, enterScope, exceptionCheck, exceptionCheckEnter, extRewrite, extRewriteEnter, lang, prettyPrint, prettyPrint, prettyPrint, prettyPrint, throwTypes, translate, typeCheckEnter, typeCheckOverride, visitChild, visitList
public Node visitChildren(NodeVisitor v)
NodeOps
visitChildren
in interface NodeOps
visitChildren
in class Node_c
v
- The visitor that will traverse/rewrite the AST.this
.public Node typeCheck(TypeChecker tc) throws SemanticException
NodeOps
leave()
method of the
visitor. The method should perform work that should be done
after visiting the children of the node. The method may return
this
or a new copy of the node which will be
installed as a child of the node's parent.typeCheck
in interface NodeOps
typeCheck
in class Node_c
tc
- The type checking visitor.SemanticException
public Type childExpectedType(Expr child, AscriptionVisitor av)
NodeOps
this
.
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 NodeOps
childExpectedType
in class Node_c
child
- A child expression of this node.av
- An ascription visitor.child
.public void prettyPrint(CodeWriter w, PrettyPrinter tr)
Node_c
CodeWriter
.prettyPrint
in interface NodeOps
prettyPrint
in class Node_c
w
- The code writer to which to write.tr
- The pretty printer. This is not a visitor.public Term firstChild()
TermOps
firstChild
in interface TermOps
firstChild
in class Term_c
public <T> java.util.List<T> acceptCFG(CFGBuilder<?> v, java.util.List<T> succs)
TermOps
public Term continueTarget()
LoopOps
continueTarget
in interface LoopOps