edu.ucsb.cs56.pconrad.parsing

Class DefaultInterpreterInterface

java.lang.Object

edu.ucsb.cs56.pconrad.parsing.InterpreterInterface

edu.ucsb.cs56.pconrad.parsing.DefaultInterpreterInterface

public class DefaultInterpreterInterface
extends InterpreterInterface

Field Summary

Fields

Modifier and Type	Field and Description
static DefaultInterpreterInterface	DEFAULT

Constructor Summary

Constructors

Constructor and Description
DefaultInterpreterInterface()

Method Summary

Modifier and Type	Method and Description
int	evaluate(AST expression) Evaluate an abstract syntax tree representing an integer expression and return the final result
AST	parse(ArrayList<Token> tokens) Convert sequence of tokens into an abstract syntax tree
ArrayList<Token>	tokenize(String input) Convert input to an list of tokens

Methods inherited from class edu.ucsb.cs56.pconrad.parsing.InterpreterInterface

tokenizeAndParse, tokenizeParseAndEvaluate

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT

public static final DefaultInterpreterInterface DEFAULT

Constructor Detail

DefaultInterpreterInterface

public DefaultInterpreterInterface()

Method Detail

tokenize

public ArrayList<Token> tokenize(String input)
                          throws TokenizerException

Convert input to an list of tokens

Specified by:

tokenize in class InterpreterInterface

Parameters:

input - the string to be tokenized

Throws:

TokenizerException

parse

public AST parse(ArrayList<Token> tokens)
          throws ParserException

Convert sequence of tokens into an abstract syntax tree

Specified by:

parse in class InterpreterInterface

Parameters:

tokens - the string to be parsed

Throws:

ParserException

evaluate

public int evaluate(AST expression)
             throws EvaluatorException

Evaluate an abstract syntax tree representing an integer expression and return the final result

Specified by:

evaluate in class InterpreterInterface

Parameters:

expression - the abstract syntax tree to be evaluated

Throws:

EvaluatorException