public class Case_c extends Stmt_c implements Case
Case
is a representation of a Java case
statement. It can only be contained in a Switch
.Term.Instance
Modifier and Type | Field and Description |
---|---|
protected Expr |
expr |
protected long |
value |
exceptions, reachable
Constructor and Description |
---|
Case_c(Position pos,
Expr expr) |
Case_c(Position pos,
Expr expr,
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.
|
Node |
checkConstants(ConstantChecker cc)
Check if the node is a compile-time constant.
|
Type |
childExpectedType(Expr child,
AscriptionVisitor av)
Get the expected type of a child expression of
this . |
Node |
copy(NodeFactory nf)
Produce a copy of this node using the given NodeFactory.
|
Expr |
expr()
Get the case label.
|
Case |
expr(Expr expr)
Set the case label.
|
protected <N extends Case_c> |
expr(N n,
Expr expr) |
Term |
firstChild()
Return the first direct subterm performed when evaluating this term.
|
boolean |
isDefault()
Returns true iff this is the default case.
|
void |
prettyPrint(CodeWriter w,
PrettyPrinter tr)
Pretty-print the AST using the given
CodeWriter . |
protected <N extends Case_c> |
reconstruct(N n,
Expr expr)
Reconstruct the statement.
|
java.lang.String |
toString() |
Node |
typeCheck(TypeChecker tc)
Type check the AST.
|
long |
value()
Returns the value of the case label.
|
Case |
value(long value)
Set the value of the case label.
|
protected <N extends Case_c> |
value(N n,
long value) |
Node |
visitChildren(NodeVisitor v)
Visit the children of the node.
|
exceptionCheck, exceptions, exceptions, exceptions, extRewrite, listChild, reachable, reachable, reachable
addDecls, buildTypes, buildTypesEnter, 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, 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
protected Expr expr
protected long value
public boolean isDefault()
Case
public Expr expr()
Case
default
case.public Case expr(Expr expr)
Case
public long value()
Case
public Case value(long value)
Case
protected <N extends Case_c> N value(N n, long value)
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 Node checkConstants(ConstantChecker cc) 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.checkConstants
in interface NodeOps
checkConstants
in class Node_c
cc
- The constant 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