Class ConnectionWhenPart

java.lang.Object

simula.compiler.syntaxClass.SyntaxClass

simula.compiler.syntaxClass.statement.ConnectionDoPart

simula.compiler.syntaxClass.statement.ConnectionWhenPart

public final class ConnectionWhenPart
extends ConnectionDoPart

Utility class to hold a when-part.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) ClassDeclaration	classDeclaration	The class declaration correspondig to the class identifier.
(package private) String	classIdentifier	The WHEN class-identifier
(package private) boolean	impossibleWhenPart	Indicator to signal an impossible when-part.

Fields inherited from class simula.compiler.syntaxClass.statement.ConnectionDoPart

connectionBlock, connectionStatement

Fields inherited from class simula.compiler.syntaxClass.SyntaxClass

CHECKED, lineNumber, OBJECT_SEQU

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ConnectionWhenPart()	Default constructor used by Attribute File I/O
	ConnectionWhenPart(ConnectionStatement connectionStatement, String classIdentifier, ConnectionBlock connectionBlock, Statement statement)	Create a new when-part.

Method Summary

Modifier and Type	Method	Description
void	buildByteCode(CodeBuilder codeBuilder)	Build Java ClassFile ByteCode.
void	doChecking()	Perform semantic checking.
void	doCoding(boolean first)	Perform Java coding.
static ConnectionDoPart	readObject(AttributeInputStream inpt)	Read and return a ConnectionDoPart object.
String	toString()
void	writeObject(AttributeOutputStream oupt)	Write a SyntaxClass object to a AttributeOutputStream.

Methods inherited from class simula.compiler.syntaxClass.statement.ConnectionDoPart

printTree

Methods inherited from class simula.compiler.syntaxClass.SyntaxClass

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

Methods inherited from class java.lang.Object

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

Field Details

classIdentifier

String classIdentifier

The WHEN class-identifier

classDeclaration

ClassDeclaration classDeclaration

The class declaration correspondig to the class identifier. Set during checking.

impossibleWhenPart

boolean impossibleWhenPart

Indicator to signal an impossible when-part. Set during checking if object-expression is not compatible with the WHEN class.

Constructor Details

ConnectionWhenPart

public ConnectionWhenPart(ConnectionStatement connectionStatement,
 String classIdentifier,
 ConnectionBlock connectionBlock,
 Statement statement)

Create a new when-part.

Parameters:

connectionStatement - the connectionStatement

classIdentifier - the WHEN class-identifier

connectionBlock - The associated connection block

statement - the statement after DO

ConnectionWhenPart

private ConnectionWhenPart()

Default constructor used by Attribute File I/O

Method Details

doChecking

public void doChecking()

Description copied from class: ConnectionDoPart

Perform semantic checking.

Overrides:

doChecking in class ConnectionDoPart

doCoding

public void doCoding(boolean first)

Description copied from class: ConnectionDoPart

Perform Java coding.

Overrides:

doCoding in class ConnectionDoPart

Parameters:

first - true if coding the first when-part

buildByteCode

public void buildByteCode(CodeBuilder codeBuilder)

Description copied from class: SyntaxClass

Build Java ClassFile ByteCode.

Overrides:

buildByteCode in class ConnectionDoPart

Parameters:

codeBuilder - the codeBuilder to use.

toString

public String toString()

Overrides:

toString in class ConnectionDoPart

writeObject

public void writeObject(AttributeOutputStream oupt)
                 throws IOException

Description copied from class: SyntaxClass

Write a SyntaxClass object to a AttributeOutputStream.

Overrides:

writeObject in class ConnectionDoPart

Parameters:

oupt - the AttributeOutputStream to write to.

Throws:

IOException - if something went wrong.

readObject

public static ConnectionDoPart readObject(AttributeInputStream inpt)
                                   throws IOException

Read and return a ConnectionDoPart object.

Parameters:

inpt - the AttributeInputStream to read from

Returns:

the ConnectionDoPart object read from the stream.

Throws:

IOException - if something went wrong.