A D H L M N P R S T

A

add() - Method in interface pldi3.Rp

pop the top two elements, add them and push the result

D

divide() - Method in interface pldi3.Rp

pop the top two elements, divide the former second from top by the former top and push the result

H

have(int) - Method in interface pldi3.Lexical

The function returns true if the current symbol is one of the lexical tokens indicated by the integer parameter.

have(String) - Method in interface pldi3.Lexical

The function returns true if the current symbol is the same as the string.

L

Lexical - interface pldi3.Lexical.

Abstract interface to a lexical analyser for use in recursive descent parsers.

load(int) - Method in interface pldi3.Rp

Push the numbered register onto the stack

M

max() - Method in interface pldi3.Rp

replace the top two elements by their maximum

min() - Method in interface pldi3.Rp

replace the top two stack elements by their minimum

multiply() - Method in interface pldi3.Rp

pop the top two elements, multiply them and push the result

mustbe(int) - Method in interface pldi3.Lexical

This throws an exception if the current symbol is not the token.

mustbe(String) - Method in interface pldi3.Lexical

Equivalent to mustbe(tokenise(token))

N

nextSymbol() - Method in interface pldi3.Lexical

Advance to the next symbol

P

parse() - Method in interface pldi3.SyntaxAnalyser

Returns true if the input matches the grammar

pldi3 - package pldi3

popf() - Method in interface pldi3.Rp

Pop the stack as a float

popi() - Method in interface pldi3.Rp

Pop the stack as an integer

push(float) - Method in interface pldi3.Rp

Push a float onto the stack

push(int) - Method in interface pldi3.Rp

Push an integer onto the stack

R

Rp - interface pldi3.Rp.

Simple reverse polish interpreter.

S

setLexicalAnalyser(Lexical) - Method in interface pldi3.SyntaxAnalyser

Set l to be the lexical analyser used in the parser

sqrt() - Method in interface pldi3.Rp

replace the top of stack by its square root

store(int) - Method in interface pldi3.Rp

Pop the stack and store the result in the numbered register

subtract() - Method in interface pldi3.Rp

pop the top two elements, subtract the former top from the former second from top and push the result

SyntaxAnalyser - interface pldi3.SyntaxAnalyser.

T

tokenise(String) - Method in interface pldi3.Lexical

Convert a string to the equivalent integer token

A D H L M N P R S T