fmrisc.ProgramExplorer.Semantics

Class ReferencedVars

java.lang.Object

fmrisc.ProgramExplorer.Syntax.ASTVisitorBase

fmrisc.ProgramExplorer.Semantics.ReferencedVars

All Implemented Interfaces:

ASTVisitor

public final class ReferencedVars
extends ASTVisitorBase

Compute the program variables referenced by an expression.

Constructor Summary

Constructors

Constructor and Description
ReferencedVars()

Method Summary

Modifier and Type	Method and Description
void	add(AST tree) Add references from the denoted tree.
static java.util.Collection<VariableSymbol>	compute(AST tree) Compute referenced variables
java.util.Collection<VariableSymbol>	getResult() Get the result of the computation.
void	visit(ProgramVariableBase var) Process variable.

Methods inherited from class fmrisc.ProgramExplorer.Syntax.ASTVisitorBase

visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReferencedVars

public ReferencedVars()

Method Detail

compute

public static java.util.Collection<VariableSymbol> compute(AST tree)

Compute referenced variables

Parameters:

tree - the expression.

Returns:

a collection of the symbols of the variables referenced by tree.

add

public void add(AST tree)

Add references from the denoted tree.

Parameters:

tree - the tree.

getResult

public java.util.Collection<VariableSymbol> getResult()

Get the result of the computation.

Returns:

the result.

visit

public void visit(ProgramVariableBase var)

Process variable.

Specified by:

visit in interface ASTVisitor

Overrides:

visit in class ASTVisitorBase

Parameters:

var - a program variable.