edu.jmu.decaf

Class DecafAnalysis

java.lang.Object

edu.jmu.decaf.DefaultASTVisitor

edu.jmu.decaf.StaticAnalysis

edu.jmu.decaf.DecafAnalysis

All Implemented Interfaces:

ASTVisitor

Direct Known Subclasses:

MyDecafAnalysis

public abstract class DecafAnalysis
extends StaticAnalysis

Static analysis; perform type checking.

Constructor Summary

Constructors

Constructor and Description
DecafAnalysis()

Method Summary

Modifier and Type	Method and Description
static Symbol	lookupSymbol(ASTNode node, String name) Retrieves symbol information for a given symbol name.

Methods inherited from class edu.jmu.decaf.StaticAnalysis

addError, addError, getErrors, getErrorString, resetErrors

Methods inherited from class edu.jmu.decaf.DefaultASTVisitor

defaultInVisit, defaultPostVisit, defaultPreVisit, inVisit, postVisit, postVisit, postVisit, postVisit, postVisit, postVisit, postVisit, postVisit, postVisit, postVisit, postVisit, postVisit, postVisit, postVisit, postVisit, postVisit, preVisit, preVisit, preVisit, preVisit, preVisit, preVisit, preVisit, preVisit, preVisit, preVisit, preVisit, preVisit, preVisit, preVisit, preVisit, preVisit

Methods inherited from class java.lang.Object

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

Constructor Detail

DecafAnalysis

public DecafAnalysis()

Method Detail

lookupSymbol

public static Symbol lookupSymbol(ASTNode node,
                                  String name)

Retrieves symbol information for a given symbol name. Searches for symbol tables up the parent tree if there is no table at the given node. Adds a static analysis error and returns null if the symbol cannot be found.

Parameters:

node - ASTNode to search

name - Decaf symbol name

Returns:

Symbol information