gnu.expr
Class Special

java.lang.Object
  |
  +--gnu.expr.Special

public class Special

extends java.lang.Object

implements Printable, Compilable

A class of special one-of-a-kind builtin values.

Field Summary

static Special	dfault
static Special	eof
static Special	key
static Special	optional
static Special	rest
static ClassType	thisType

Method Summary

void	emit(Literal literal, Compilation comp) Emit code (in comp.method) to initialize a Literal for this value.
int	hashCode()
Literal	makeLiteral(Compilation comp) Generates a (new) Literal for this for a given Compilation.
void	print(java.io.PrintWriter ps)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

optional

public static Special optional

rest

public static Special rest

key

public static Special key

eof

public static Special eof

dfault

public static Special dfault

thisType

public static ClassType thisType

Method Detail

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public final java.lang.String toString()

Overrides:

toString in class java.lang.Object

print

public void print(java.io.PrintWriter ps)

Specified by:

print in interface Printable

makeLiteral

public Literal makeLiteral(Compilation comp)

Description copied from interface: Compilable

Generates a (new) Literal for this for a given Compilation. If this has sub-objects, calls Compilation.findLiteral on its components.

Specified by:

makeLiteral in interface Compilable

emit

public void emit(Literal literal,
                 Compilation comp)

Description copied from interface: Compilable

Emit code (in comp.method) to initialize a Literal for this value. Generates code to make the Literal at least ALLOACTED. Also makes it INITIALIZED, unless ALLOCATING is set (in which one of our callers will make it INITIALIZED). Never called if already ALLOCATED.

Specified by:

emit in interface Compilable