Module Simula

Package simula.compiler.syntaxClass.statement

Class ProgramModule

java.lang.Object

simula.compiler.syntaxClass.SyntaxClass

simula.compiler.syntaxClass.statement.Statement

simula.compiler.syntaxClass.statement.ProgramModule

public final class ProgramModule
extends Statement

Simula Program Module.

Link to GitHub: Source File.

 
 Simula Standard: Chapter 6 Program Modules

      SIMULA-source-module
         = [ external-head ] ( program | procedure-declaration | class-declaration )
         
         external-head = external-declaration ; { external-declaration ; }
         
            external-declaration = external-procedure-declaration | external-class-declaration
            
                        program = [ block-prefix ] block | [ block-prefix ] compound-statement
 
                                block-prefix = class-identifier [ ( actual-parameter-part ) ]

                        procedure-declaration
                             = [ type ] PROCEDURE procedure-identifier procedure-head procedure-body

 

Author:

SIMULA Standards Group, Øystein Myhre Andersen

Field Summary

Fields

Modifier and Type	Field	Description
final Declaration	module	The module declaration.
private final VariableExpression	sysin	The Variable SYSIN.
private final VariableExpression	sysout	The Variable SYSOUT.

Fields inherited from class simula.compiler.syntaxClass.SyntaxClass

lineNumber

Constructor Summary

Constructors

Constructor	Description
ProgramModule()	Create a new ProgramModule.

Method Summary

Modifier and Type	Method	Description
void	doChecking()	Perform semantic checking.
void	doJavaCoding()	Output Java code.
String	getIdentifier()	Returns the module identifier.
String	getRelativeAttributeFileName()	Returns the relative file name.
boolean	isExecutable()	Returns true if this program module is executable.
void	print(int indent)	Utility print method.
void	printTree(int indent)	Utility print syntax tree method.
String	toString()

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

expectStatement

Methods inherited from class simula.compiler.syntaxClass.SyntaxClass

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

Methods inherited from class java.lang.Object

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

Field Details

sysin

private final VariableExpression sysin

The Variable SYSIN.

sysout

private final VariableExpression sysout

The Variable SYSOUT.

module

public final Declaration module

The module declaration.

Constructor Details

ProgramModule

public ProgramModule()

Create a new ProgramModule.

Method Details

getIdentifier

public String getIdentifier()

Returns the module identifier.

Returns:

the module identifier

getRelativeAttributeFileName

public String getRelativeAttributeFileName()

Returns the relative file name.

Returns:

the relative file name

isExecutable

public boolean isExecutable()

Returns true if this program module is executable.

Returns:

true if this program module is executable

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

print

public void print(int indent)

Description copied from class: SyntaxClass

Utility print method.

Overrides:

print in class SyntaxClass

Parameters:

indent - number of spaces leading the line

printTree

public void printTree(int indent)

Description copied from class: SyntaxClass

Utility print syntax tree method.

Overrides:

printTree in class SyntaxClass

Parameters:

indent - number of spaces leading the lines

toString

public String toString()

Overrides:

toString in class Object