ptolemy.cg.kernel.generic.program.procedural.java

Class JavaParseTreeCodeGenerator

java.lang.Object

ptolemy.data.expr.AbstractParseTreeVisitor

ptolemy.cg.kernel.generic.program.procedural.ProceduralParseTreeCodeGenerator

ptolemy.cg.kernel.generic.program.procedural.java.JavaParseTreeCodeGenerator

All Implemented Interfaces:

ParseTreeCodeGenerator, ParseTreeVisitor

public class JavaParseTreeCodeGenerator
extends ProceduralParseTreeCodeGenerator

Evaluate a parse tree given a reference to its root node and generate Java code. It implements a visitor that visits the parse tree in depth-first order, evaluating each node and storing the result as a token in the node. Two exceptions are logic nodes and the ternary if node (the ? : construct), which do not necessarily evaluate all children nodes.

This class has the following limitations:

• It is a copy of ParseTreeEvaluator from data/expr and thus has lots of code for evaluating expressions, which we don't need
• It is not properly converting types: We need to add logic to convert types.
• The .tcl test has known failures involving nulls.
• It does not evaluate constants.

Since:

Ptolemy II 10.0

Version:

$Id$

Author:

Christopher Brooks

See Also:

ASTPtRootNode

Pt.AcceptedRating:

Red

Pt.ProposedRating:

Red

Field Summary

Fields inherited from class ptolemy.cg.kernel.generic.program.procedural.ProceduralParseTreeCodeGenerator

_childCode, _depth, _evaluatedChildToken, _functionMap, _generator, _initializeCode, _preinitializeCode, _scope, _sharedCode, _trace, _typeInference, _wrapupCode

Constructor Summary

Constructors

Constructor and Description
JavaParseTreeCodeGenerator(ProgramCodeGenerator generator) Create a JavaParseTreeCodeGenerator that is used by the given code generator to generate code for expressions.

Method Summary

Methods inherited from class ptolemy.cg.kernel.generic.program.procedural.ProceduralParseTreeCodeGenerator

_assert, _codeGenType, _evaluateAllChildren, _evaluateArrayIndex, _evaluateChild, _powCall, _specializeArgument, _specializeReturnValue, _trace, _traceEnter, _traceLeave, escapeForTargetLanguage, evaluateParseTree, evaluateParseTree, generateFireCode, generateInitializeCode, generatePreinitializeCode, generateSharedCode, generateWrapupCode, traceParseTreeEvaluation, visitArrayConstructNode, visitBitwiseNode, visitFunctionalIfNode, visitFunctionApplicationNode, visitFunctionDefinitionNode, visitLeafNode, visitLogicalNode, visitMatrixConstructNode, visitMethodCallNode, visitPowerNode, visitProductNode, visitRecordConstructNode, visitRelationalNode, visitShiftNode, visitSumNode, visitUnaryNode

Methods inherited from class ptolemy.data.expr.AbstractParseTreeVisitor

_unsupportedVisitException, _visitAllChildren, _visitChild, visitAssignmentNode, visitUnionConstructNode

Methods inherited from class java.lang.Object

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

Constructor Detail

JavaParseTreeCodeGenerator

public JavaParseTreeCodeGenerator(ProgramCodeGenerator generator)

Create a JavaParseTreeCodeGenerator that is used by the given code generator to generate code for expressions.

Parameters:

generator - The given code generator.