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java.lang.Object avrora.syntax.Item
The Item
class represents either an assembler directive, an instruction, or a sequence of
initialized data with a source program.
Nested Class Summary | |
static class |
Item.InitializedData
The InitializedData item represents a section of programmer-declared initialized data
within the program. |
static class |
Item.Instruction
The Instruction item in a source program represents an instruction that must be simplified
and added to the program. |
static class |
Item.Label
The Label item represents a labelled location in the program that is given a name. |
static class |
Item.NamedConstant
The NamedConstant item in a source program represents a directive that assigns a
computable value to a name. |
static class |
Item.RegisterAlias
The RegisterAlias item in a source program represents a directive that adds an alias for a
register. |
static class |
Item.UninitializedData
The UnitializedData item represents a declared section of data that is not given a value
(a reservation of space). |
Field Summary | |
protected int |
byteAddress
|
protected Module |
module
|
protected Module.Seg |
segment
|
Method Summary | |
int |
itemSize()
|
abstract void |
simplify()
The simplify() method reduces any computable constants to values, resolves register
aliases, and creates instruction instances within this item, depending on exactly which type of item it
is. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
protected final Module module
protected final Module.Seg segment
protected final int byteAddress
Method Detail |
public abstract void simplify()
simplify()
method reduces any computable constants to values, resolves register
aliases, and creates instruction instances within this item, depending on exactly which type of item it
is.
public int itemSize()
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