ParseTreeFreeVariableRenamer

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ptolemy.data.expr
Class ParseTreeFreeVariableRenamer

java.lang.Object
  ptolemy.data.expr.AbstractParseTreeVisitor
      ptolemy.data.expr.ParseTreeFreeVariableRenamer

All Implemented Interfaces:: ParseTreeVisitor

public class ParseTreeFreeVariableRenamer
extends AbstractParseTreeVisitor
extends AbstractParseTreeVisitor

This class visits parse trees and renames the free variables that match a specified variable. Use this class prior to changing the name of a variable to update references to the variable.

Since:

Ptolemy II 5.2

Version:

$Id: ParseTreeFreeVariableRenamer.java 57040 2010-01-27 20:52:32Z cxh $

Author:

Edward A. Lee

See Also:

ASTPtRootNode

Accepted Rating:

Red (cxh)

Proposed Rating:

Yellow (eal)

Field Summary
`protected Variable`	`_dependentVariable` The variable to which the parse tree belongs.
`protected java.util.Set`	`_formalParameters` Formal parameters within a function definition.
`protected java.lang.String`	`_name` The new name.
`protected ParserScope`	`_scope` The scope.
`protected Variable`	`_variableToRename` The variable to be renamed.

Constructor Summary
`ParseTreeFreeVariableRenamer()`

Method Summary
`protected java.util.Collection`	`_intersection(java.util.Collection collection1, java.util.Collection collection2)` Return the intersection of two collections.
`protected void`	`_visitAllChildren(ASTPtRootNode node)` Loop through all of the children of this node, visiting each one of them, which will cause their token value to be determined.
`protected void`	`_visitChild(ASTPtRootNode node, int i)` Visit the child with the given index of the given node.
`void`	`renameVariables(ASTPtRootNode node, Variable dependentVariable, Variable variableToRename, java.lang.String name)` Rename the variables, if any, in the dependentVariable that refer to the specified variableToRename.
`void`	`visitArrayConstructNode(ASTPtArrayConstructNode node)`
`void`	`visitBitwiseNode(ASTPtBitwiseNode node)`
`void`	`visitFunctionalIfNode(ASTPtFunctionalIfNode node)`
`void`	`visitFunctionApplicationNode(ASTPtFunctionApplicationNode node)`
`void`	`visitFunctionDefinitionNode(ASTPtFunctionDefinitionNode node)`
`void`	`visitLeafNode(ASTPtLeafNode node)`
`void`	`visitLogicalNode(ASTPtLogicalNode node)`
`void`	`visitMatrixConstructNode(ASTPtMatrixConstructNode node)`
`void`	`visitMethodCallNode(ASTPtMethodCallNode node)`
`void`	`visitPowerNode(ASTPtPowerNode node)`
`void`	`visitProductNode(ASTPtProductNode node)`
`void`	`visitRecordConstructNode(ASTPtRecordConstructNode node)`
`void`	`visitRelationalNode(ASTPtRelationalNode node)`
`void`	`visitShiftNode(ASTPtShiftNode node)`
`void`	`visitSumNode(ASTPtSumNode node)`
`void`	`visitUnaryNode(ASTPtUnaryNode node)`

Methods inherited from class ptolemy.data.expr.AbstractParseTreeVisitor
`_unsupportedVisitException, visitAssignmentNode, visitUnionConstructNode`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

_dependentVariable

protected Variable _dependentVariable

The variable to which the parse tree belongs.

_formalParameters

protected java.util.Set _formalParameters

Formal parameters within a function definition.

_name

protected java.lang.String _name

The new name.

_scope

protected ParserScope _scope

The scope.

_variableToRename

protected Variable _variableToRename

The variable to be renamed.

Constructor Detail