polyglot.ext.jl.ast
Class ArrayAccess_c

java.lang.Object
  polyglot.ext.jl.ast.Node_c
      polyglot.ext.jl.ast.Term_c
          polyglot.ext.jl.ast.Expr_c
              polyglot.ext.jl.ast.ArrayAccess_c

All Implemented Interfaces:

java.lang.Cloneable, ArrayAccess, Expr, JL, Node, NodeOps, Prefix, Receiver, Term, Typed, Variable, Copy

public class ArrayAccess_c
extends Expr_c
implements ArrayAccess

An ArrayAccess is an immutable representation of an access of an array member.

Field Summary

protected Expr	array
protected Expr	index

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

ArrayAccess_c(Position pos, Expr array, Expr index)

Method Summary

java.util.List	acceptCFG(CFGBuilder v, java.util.List succs) Visit this term in evaluation order.
Expr	array() Get the array of the expression.
ArrayAccess	array(Expr array) Set the array of the expression.
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.
Flags	flags() Return the access flags of the variable.
Expr	index() Get the index of the expression.
ArrayAccess	index(Expr index) Set the index of the expression.
Precedence	precedence() Get the precedence of the expression.
void	prettyPrint(CodeWriter w, PrettyPrinter tr) Write the expression to an output file.
protected ArrayAccess_c	reconstruct(Expr array, Expr index) Reconstruct the expression.
java.util.List	throwTypes(TypeSystem ts) List of Types of exceptions that might get thrown.
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, constantValue, doubleValue, dump, floatValue, intValue, isConstant, 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, 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

constantValue, isConstant, 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, 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

array

protected Expr array

index

protected Expr index

Constructor Detail

ArrayAccess_c

public ArrayAccess_c(Position pos,
                     Expr array,
                     Expr index)

Method Detail

precedence

public Precedence precedence()

Get the precedence of the expression.

Specified by:

precedence in interface Expr

Overrides:

precedence in class Expr_c

array

public Expr array()

Get the array of the expression.

Specified by:

array in interface ArrayAccess

array

public ArrayAccess array(Expr array)

Set the array of the expression.

Specified by:

array in interface ArrayAccess

index

public Expr index()

Get the index of the expression.

Specified by:

index in interface ArrayAccess

index

public ArrayAccess index(Expr index)

Set the index of the expression.

Specified by:

index in interface ArrayAccess

flags

public Flags flags()

Return the access flags of the variable.

Specified by:

flags in interface Variable

reconstruct

protected ArrayAccess_c reconstruct(Expr array,
                                    Expr index)

Reconstruct the expression.

visitChildren

public Node visitChildren(NodeVisitor v)

Visit the children of the expression.

Specified by:

visitChildren in interface NodeOps

Overrides:

visitChildren in class Node_c

Parameters:

v - The visitor that will traverse/rewrite the AST.

Returns:

A new AST if a change was made, or this.

typeCheck

public Node typeCheck(TypeChecker tc)
               throws SemanticException

Type check the expression.

Specified by:

typeCheck in interface NodeOps

Overrides:

typeCheck in class Node_c

Parameters:

tc - The type checking visitor.

Throws:

SemanticException

childExpectedType

public Type childExpectedType(Expr child,
                              AscriptionVisitor av)

Description copied from interface: Node

Get the expected type of a child expression of 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.

Specified by:

childExpectedType in interface Node

Overrides:

childExpectedType in class Node_c

Parameters:

child - A child expression of this node.

av - An ascription visitor.

Returns:

The expected type of child.

toString

public java.lang.String toString()

Overrides:

toString in class Node_c

prettyPrint

public void prettyPrint(CodeWriter w,
                        PrettyPrinter tr)

Write the expression to an output file.

Specified by:

prettyPrint in interface NodeOps

Overrides:

prettyPrint in class Node_c

Parameters:

w - The code writer to which to write.

tr - The pretty printer. This is not a visitor.

entry

public Term entry()

Description copied from class: Term_c

Return the first (sub)term performed when evaluating this term.

Specified by:

entry in interface Term

Specified by:

entry in class Term_c

acceptCFG

public java.util.List acceptCFG(CFGBuilder v,
                                java.util.List succs)

Description copied from class: Term_c

Visit this term in evaluation order.

Specified by:

acceptCFG in interface Term

Specified by:

acceptCFG in class Term_c

throwTypes

public java.util.List throwTypes(TypeSystem ts)

Description copied from interface: NodeOps

List of Types of exceptions that might get thrown. The result is not necessarily correct until after type checking.

Specified by:

throwTypes in interface NodeOps

Overrides:

throwTypes in class Node_c