Package jminusminus

Class JLiteralNull

java.lang.Object

jminusminus.JAST

jminusminus.JStatement

jminusminus.JExpression

jminusminus.JLiteralNull

class JLiteralNull
extends JExpression

The AST node for the null literal.

Field Summary

Fields inherited from class jminusminus.JExpression

isStatementExpression, type

Fields inherited from class jminusminus.JAST

compilationUnit, line

Constructor Summary

Constructors

Constructor	Description
JLiteralNull(int line)	Constructs an AST node for the null literal given its line number.

Method Summary

Modifier and Type	Method	Description
JExpression	analyze(Context context)	Analyzes and returns a JExpression.
void	codegen(CLEmitter output)	Performs code generation for this AST.
void	toJSON(JSONElement json)	Stores information about this AST in JSON format.

Methods inherited from class jminusminus.JExpression

codegen, isStatementExpression, type

Methods inherited from class jminusminus.JAST

line, partialCodegen, unescape

Methods inherited from class java.lang.Object

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

Constructor Details

JLiteralNull

public JLiteralNull(int line)

Constructs an AST node for the null literal given its line number.

Parameters:

line - line in which the literal occurs in the source file.

Method Details

analyze

public JExpression analyze(Context context)

Analyzes and returns a JExpression.

Specified by:

analyze in class JExpression

Parameters:

context - context in which names are resolved.

Returns:

the analyzed (and possibly rewritten) AST subtree.

codegen

public void codegen(CLEmitter output)

Performs code generation for this AST.

Specified by:

codegen in class JAST

Parameters:

output - the code emitter.

toJSON

public void toJSON(JSONElement json)

Stores information about this AST in JSON format.

Overrides:

toJSON in class JAST

Parameters:

json - the JSON emitter.