edu.ucsb.cs56.pconrad.parsing.syntax

Interface ASTFactory

All Known Implementing Classes:

DefaultASTFactory

public interface ASTFactory

Decouples token constructors and underlying class hierarchy from how AST nodes behave. Only used in the test suites for the parser and the evaluator. Uses the Factory method design pattern.

Method Summary

Modifier and Type	Method and Description
AST	makeDivNode(AST left, AST right)
AST	makeLiteral(int value)
AST	makeMinusNode(AST left, AST right)
AST	makePlusNode(AST left, AST right)
AST	makeTimesNode(AST left, AST right)
AST	makeUnaryMinusNode(AST inner)

Method Detail

makeLiteral

AST makeLiteral(int value)

makePlusNode

AST makePlusNode(AST left,
                 AST right)

makeMinusNode

AST makeMinusNode(AST left,
                  AST right)

makeTimesNode

AST makeTimesNode(AST left,
                  AST right)

makeDivNode

AST makeDivNode(AST left,
                AST right)

makeUnaryMinusNode

AST makeUnaryMinusNode(AST inner)