jminusminus

Class JEmptyStatement

java.lang.Object

jminusminus.JAST

jminusminus.JStatement

jminusminus.JEmptyStatement

 class JEmptyStatement
extends JStatement

The (dummy) AST node for representing the empty statement. Nothing needs to be done during analysis or code generation. It simply represents empty statements that are denoted by the ";" in j--.

Field Summary

Fields inherited from class jminusminus.JAST

compilationUnit, line

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JEmptyStatement(int line) Construct an AST node for an empty statement.

Method Summary

Methods

Modifier and Type	Method and Description
JAST	analyze(Context context) Perform semantic analysis on this AST.
void	codegen(CLEmitter output) Perform code generation for this AST.
void	writeToStdOut(PrettyPrinter p) Write the information pertaining to this AST to STDOUT.

Methods inherited from class jminusminus.JAST

line, partialCodegen

Methods inherited from class java.lang.Object

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

Constructor Detail

JEmptyStatement

protected JEmptyStatement(int line)

Construct an AST node for an empty statement.

Parameters:

line - line in which the empty statement occurs in the source file.

Method Detail

analyze

public JAST analyze(Context context)

Description copied from class: JAST

Perform semantic analysis on this AST. In some instances a new returned AST reflects surgery.

Specified by:

analyze in class JAST

Parameters:

context - the environment (scope) in which code is analyzed.

Returns:

a (rarely modified) AST.

codegen

public void codegen(CLEmitter output)

Description copied from class: JAST

Perform code generation for this AST.

Specified by:

codegen in class JAST

Parameters:

output - the code emitter (basically an abstraction for producing the .class file).

writeToStdOut

public void writeToStdOut(PrettyPrinter p)

Description copied from class: JAST

Write the information pertaining to this AST to STDOUT.

Specified by:

writeToStdOut in class JAST

Parameters:

p - for pretty printing with indentation.