Class LabeledStatement

java.lang.Object

simula.compiler.syntaxClass.SyntaxClass

simula.compiler.syntaxClass.statement.Statement

simula.compiler.syntaxClass.statement.LabeledStatement

public final class LabeledStatement
extends Statement

Labeled Statement.

Syntax:

  label-statement =  label : { label : } statement 

	    label = identifier
 

Link to GitHub: Source File.

Author:

Øystein Myhre Andersen

Field Summary

Fields

Modifier and Type	Field	Description
private ObjectList<LabelDeclaration>	labels	The list of labels.
private Statement	statement	The statement

Fields inherited from class SyntaxClass

CHECKED, lineNumber, OBJECT_SEQU

Constructor Summary

Constructors

Modifier	Constructor	Description
private	LabeledStatement()	Default constructor used by Attribute File I/O
(package private)	LabeledStatement(int line, ObjectList<LabelDeclaration> labels, Statement statement)	Create a new LabeledStatement.

Method Summary

Modifier and Type	Method	Description
void	buildByteCode(CodeBuilder codeBuilder)	Build Java ByteCode.
void	doChecking()	Perform semantic checking.
void	doJavaCoding()	Output Java code.
void	printTree(int indent, Object head)	Utility print syntax tree method.
static LabeledStatement	readObject(AttributeInputStream inpt)	Read and return a LabeledStatement object.
String	toString()
void	writeObject(AttributeOutputStream oupt)	Write a SyntaxClass object to a AttributeOutputStream.

Methods inherited from class Statement

expectStatement

Methods inherited from class SyntaxClass

ASSERT_SEMANTICS_CHECKED, doDeclarationCoding, edIndent, edTreeIndent, IS_SEMANTICS_CHECKED, print, SET_SEMANTICS_CHECKED, setLineNumber, toJavaCode

Methods inherited from class Object

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

Field Details

labels

private ObjectList<LabelDeclaration> labels

The list of labels.

statement

private Statement statement

The statement

Constructor Details

LabeledStatement

LabeledStatement(int line,
 ObjectList<LabelDeclaration> labels,
 Statement statement)

Create a new LabeledStatement.

Parameters:

line - the source line number

labels - the label identifiers

statement - the labeled statement

LabeledStatement

private LabeledStatement()

Default constructor used by Attribute File I/O

Method Details

doChecking

public void doChecking()

Description copied from class: SyntaxClass

Perform semantic checking.

This must be redefined in every subclass.

Overrides:

doChecking in class SyntaxClass

doJavaCoding

public void doJavaCoding()

Description copied from class: SyntaxClass

Output Java code.

Overrides:

doJavaCoding in class Statement

buildByteCode

public void buildByteCode(CodeBuilder codeBuilder)

Description copied from class: Statement

Build Java ByteCode.

Overrides:

buildByteCode in class Statement

Parameters:

codeBuilder - the codeBuilder to use.

printTree

public void printTree(int indent,
 Object head)

Description copied from class: SyntaxClass

Utility print syntax tree method.

Overrides:

printTree in class SyntaxClass

Parameters:

indent - number of spaces leading the lines

head - the head of the tree.

toString

public String toString()

Overrides:

toString in class Object

writeObject

public void writeObject(AttributeOutputStream oupt)
                 throws IOException

Description copied from class: SyntaxClass

Write a SyntaxClass object to a AttributeOutputStream.

Overrides:

writeObject in class SyntaxClass

Parameters:

oupt - the AttributeOutputStream to write to.

Throws:

IOException - if something went wrong.

readObject

public static LabeledStatement readObject(AttributeInputStream inpt)
                                   throws IOException

Read and return a LabeledStatement object.

Parameters:

inpt - the AttributeInputStream to read from

Returns:

the LabeledStatement object read from the stream.

Throws:

IOException - if something went wrong.