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java.lang.Objectpolyglot.ext.jl.ast.Node_c
polyglot.ext.jl.ast.Term_c
polyglot.ext.jl.ast.Expr_c
polyglot.ext.jl.ast.Conditional_c
public class Conditional_c
A Conditional is a representation of a Java ternary
expression. That is, (cond ? consequent : alternative).
| Field Summary | |
|---|---|
protected Expr |
alternative
|
protected Expr |
cond
|
protected Expr |
consequent
|
| Fields inherited from class polyglot.ext.jl.ast.Expr_c |
|---|
type |
| 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 | |
|---|---|
Conditional_c(Position pos,
Expr cond,
Expr consequent,
Expr alternative)
|
|
| Method Summary | |
|---|---|
java.util.List |
acceptCFG(CFGBuilder v,
java.util.List succs)
Visit this term in evaluation order. |
Expr |
alternative()
Get the alternative of the expression. |
Conditional |
alternative(Expr alternative)
Set the alternative of the expression. |
Type |
childExpectedType(Expr child,
AscriptionVisitor av)
Get the expected type of a child expression of this. |
Expr |
cond()
Get the conditional of the expression. |
Conditional |
cond(Expr cond)
Set the conditional of the expression. |
Expr |
consequent()
Get the consequent of the expression. |
Conditional |
consequent(Expr consequent)
Set the consequent of the expression. |
java.lang.Object |
constantValue()
Returns the constant value of the expression, if any. |
Term |
entry()
Return the first (sub)term performed when evaluating this term. |
boolean |
isConstant()
Return whether the expression evaluates to a constant. |
Precedence |
precedence()
Get the precedence of the expression. |
void |
prettyPrint(CodeWriter w,
PrettyPrinter tr)
Write the expression to an output file. |
protected Conditional_c |
reconstruct(Expr cond,
Expr consequent,
Expr alternative)
Reconstruct the expression. |
java.lang.String |
toString()
|
Node |
typeCheck(TypeChecker tc)
Type check the expression. |
Node |
visitChildren(NodeVisitor v)
Visit the children of the expression. |
| Methods inherited from class polyglot.ext.jl.ast.Expr_c |
|---|
booleanValue, buildTypes, byteValue, charValue, doubleValue, dump, floatValue, intValue, longValue, printSubExpr, printSubExpr, shortValue, stringValue, type, type |
| 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, buildTypesEnter, buildTypesOverride, copy, del, del, disambiguate, disambiguateEnter, disambiguateOverride, 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.Expr |
|---|
printSubExpr, printSubExpr, type |
| 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 |
| Methods inherited from interface polyglot.ast.Typed |
|---|
type |
| Methods inherited from interface polyglot.ast.Term |
|---|
exceptions, exceptions, reachable, reachable |
| Field Detail |
|---|
protected Expr cond
protected Expr consequent
protected Expr alternative
| Constructor Detail |
|---|
public Conditional_c(Position pos,
Expr cond,
Expr consequent,
Expr alternative)
| Method Detail |
|---|
public Precedence precedence()
precedence in interface Exprprecedence in class Expr_cpublic Expr cond()
cond in interface Conditionalpublic Conditional cond(Expr cond)
cond in interface Conditionalpublic Expr consequent()
consequent in interface Conditionalpublic Conditional consequent(Expr consequent)
consequent in interface Conditionalpublic Expr alternative()
alternative in interface Conditionalpublic Conditional alternative(Expr alternative)
alternative in interface Conditional
protected Conditional_c reconstruct(Expr cond,
Expr consequent,
Expr alternative)
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_cpublic boolean isConstant()
Expr
isConstant in interface ExprisConstant in class Expr_cpublic java.lang.Object constantValue()
Expr
constantValue in interface ExprconstantValue in class Expr_c
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