Package gw.internal.gosu.parser.statements

Class IfStatement

java.lang.Object

gw.internal.gosu.parser.ParsedElement

gw.internal.gosu.parser.Statement

gw.internal.gosu.parser.statements.IfStatement

All Implemented Interfaces:

IParsedElement, IStatement, IIfStatement

public final class IfStatement
extends Statement
implements IIfStatement

Represents an if-statement as specified in the Gosu grammar:

 if-statement
   if ( <expression> ) <statement> [ else <statement> ] [ unless ( <expression> ) ]
 

See Also:

IGosuParser

Field Summary

Fields

Modifier and Type	Field	Description
protected Statement	_elseStatement
protected Expression	_expression
protected Statement	_statement

Fields inherited from class gw.internal.gosu.parser.Statement

VOID_RETURN_VALUE

Fields inherited from class gw.internal.gosu.parser.ParsedElement

_tokens, UNDEF_FILE, UNDEF_FUNCTION, UNDEF_MODULE

Constructor Summary

Constructors

Constructor	Description
IfStatement()

Method Summary

Modifier and Type	Method	Description
Object	execute()
Statement	getElseStatement()
Expression	getExpression()
protected ITerminalStatement	getLeastSignificantTerminalStatement_internal(boolean[] bAbsolute)
Statement	getStatement()
boolean	hasElseStatement()
void	setElseStatement(Statement elseStatement)
void	setExpression(Expression expression)
void	setStatement(Statement statement)
String	toString()	Subclasses should return a String representing the parsed statement.

Methods inherited from class gw.internal.gosu.parser.Statement

execute, getExcludedReturnTypeElements, getLeastSignificant, getLeastSignificantTerminalStatement, getReturnType, hasContent, isNoOp, setParent

Methods inherited from class gw.internal.gosu.parser.ParsedElement

addExceptionsFrom, addParseException, addParseException, addParseException, addParseExceptions, addParseIssues, addParseWarning, addParseWarning, addParseWarnings, addToken, adjustColumn, adjustLineNum, assignTokens, clearParseExceptions, clearParseTreeInformation, clearParseWarnings, compactParseTree, findAncestorParsedElementByType, findDeclaringStatement, findLineNumberOfDeclaration, findRootParsedElement, getAnnotations, getColumn, getContainedParsedElementsByType, getContainedParsedElementsByTypes, getContainedParsedElementsByTypesWithIgnoreSet, getEnclosingFeatureInfo, getFunctionName, getGosuClass, getGosuProgram, getImmediateParseIssue, getImmediateParseIssues, getLineNum, getLocation, getModule, getParent, getParseExceptions, getParseIssues, getParseWarnings, getQualifyingEnclosingTypeInfo, getTokens, hasImmediateParseIssue, hasImmediateParseWarning, hasImmediateParseWarnings, hasParseException, hasParseExceptions, hasParseIssue, hasParseIssues, hasParseWarning, hasParseWarnings, initEmptyParseTree, initLocation, isCompileTimeConstant, isSuppressed, isSuppressed, isSynthetic, makeDoubleValue, makeFloatValue, makeInteger, makeLong, removeParseException, removeParseWarning, removeParseWarningRecursively, setGosuProgram, setLineNum, setLocation, setSynthetic, shouldClearParseInfo, visit

Methods inherited from class java.lang.Object

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

Methods inherited from interface gw.lang.parser.IParsedElement

addExceptionsFrom, addParseException, addParseException, addParseWarning, addParseWarning, clearParseExceptions, clearParseTreeInformation, clearParseWarnings, findAncestorParsedElementByType, findDeclaringStatement, findRootParsedElement, getColumn, getContainedParsedElementsByType, getContainedParsedElementsByTypes, getContainedParsedElementsByTypesWithIgnoreSet, getFunctionName, getGosuClass, getGosuProgram, getImmediateParseIssue, getImmediateParseIssues, getLineNum, getLocation, getModule, getParent, getParseExceptions, getParseIssues, getParseWarnings, getReturnType, getTokens, hasImmediateParseIssue, hasImmediateParseWarnings, hasParseException, hasParseExceptions, hasParseIssue, hasParseIssues, hasParseWarning, hasParseWarnings, isCompileTimeConstant, isSuppressed, isSynthetic, setLocation, setParent, visit

Methods inherited from interface gw.lang.parser.IStatement

execute, getLeastSignificantTerminalStatement, hasContent

Field Detail

_expression

protected Expression _expression

_statement

protected Statement _statement

_elseStatement

protected Statement _elseStatement

Constructor Detail

IfStatement

public IfStatement()

Method Detail

getExpression

public Expression getExpression()

Specified by:

getExpression in interface IIfStatement

Returns:

The conditional expression.

setExpression

public void setExpression(Expression expression)

Parameters:

expression - The conditional expression.

getStatement

public Statement getStatement()

Specified by:

getStatement in interface IIfStatement

Returns:

The statement to execute if the conditional expression evaluates to true.

setStatement

public void setStatement(Statement statement)

Parameters:

statement - The statement to execute if the conditional expression evaluates to true.

getElseStatement

public Statement getElseStatement()

Specified by:

getElseStatement in interface IIfStatement

Returns:

The else statement to execute if the conditional expression evaluates to false.

hasElseStatement

public boolean hasElseStatement()

Specified by:

hasElseStatement in interface IIfStatement

Returns:

true if this if statement has an else statement.

setElseStatement

public void setElseStatement(Statement elseStatement)

Parameters:

elseStatement - The else statement to execute if the conditional expression evaluates to false.

execute

public Object execute()

Specified by:

execute in interface IStatement

Overrides:

execute in class Statement

getLeastSignificantTerminalStatement_internal

protected ITerminalStatement getLeastSignificantTerminalStatement_internal(boolean[] bAbsolute)

Specified by:

getLeastSignificantTerminalStatement_internal in class Statement

toString

public String toString()

Description copied from class: Statement

Subclasses should return a String representing the parsed statement.

Specified by:

toString in class Statement