public class For_c extends Loop_c implements For
for
statement. Contains a statement to be executed and an expression
to be tested indicating whether to reexecute the statement.Loop.Instance
Modifier and Type | Field and Description |
---|---|
protected java.util.List<ForInit> |
inits |
protected java.util.List<ForUpdate> |
iters |
exceptions, reachable
Constructor and Description |
---|
For_c(Position pos,
java.util.List<ForInit> inits,
Expr cond,
java.util.List<ForUpdate> iters,
Stmt body) |
For_c(Position pos,
java.util.List<ForInit> inits,
Expr cond,
java.util.List<ForUpdate> iters,
Stmt body,
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.
|
For |
body(Stmt body)
Set the loop body.
|
Type |
childExpectedType(Expr child,
AscriptionVisitor av)
Get the expected type of a child expression of
this . |
For |
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.
|
Context |
enterScope(Context c)
Push a new scope upon entering this node, and add any declarations to the
context that should be in scope when visiting children of this node.
|
Term |
firstChild()
Return the first direct subterm performed when evaluating this term.
|
java.util.List<ForInit> |
inits()
List of initialization statements.
|
For |
inits(java.util.List<ForInit> inits)
Set the list of initialization statements.
|
protected <N extends For_c> |
inits(N n,
java.util.List<ForInit> inits) |
java.util.List<ForUpdate> |
iters()
List of iterator expressions.
|
For |
iters(java.util.List<ForUpdate> iters)
Set the list of iterator expressions.
|
protected <N extends For_c> |
iters(N n,
java.util.List<ForUpdate> iters) |
void |
prettyPrint(CodeWriter w,
PrettyPrinter tr)
Pretty-print the AST using the given
CodeWriter . |
protected <N extends For_c> |
reconstruct(N n,
java.util.List<ForInit> inits,
Expr cond,
java.util.List<ForUpdate> iters,
Stmt body)
Reconstruct the statement.
|
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, 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, exceptionCheck, exceptionCheckEnter, extRewrite, extRewriteEnter, lang, prettyPrint, prettyPrint, prettyPrint, prettyPrint, throwTypes, translate, typeCheckEnter, typeCheckOverride, visitChild, visitList
protected java.util.List<ForInit> inits
protected java.util.List<ForUpdate> iters
public For_c(Position pos, java.util.List<ForInit> inits, Expr cond, java.util.List<ForUpdate> iters, Stmt body)
public java.util.List<ForInit> inits()
For
public For inits(java.util.List<ForInit> inits)
For
public java.util.List<ForUpdate> iters()
For
public For iters(java.util.List<ForUpdate> iters)
For
protected <N extends For_c> N reconstruct(N n, java.util.List<ForInit> inits, Expr cond, java.util.List<ForUpdate> iters, Stmt body)
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 Context enterScope(Context c)
Node_c
enterScope
in interface NodeOps
enterScope
in class Node_c
c
- the current Context
Context
to be used for visiting this node.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