Java FalseLiteral类代码示例

import org.eclipse.jdt.internal.compiler.ast.FalseLiteral; //导入依赖的package包/类
private MethodDeclaration generateCleanMethod(List<BuilderFieldData> builderFields, EclipseNode builderType, ASTNode source) {
	List<Statement> statements = new ArrayList<Statement>();
	
	for (BuilderFieldData bfd : builderFields) {
		if (bfd.singularData != null && bfd.singularData.getSingularizer() != null) {
			bfd.singularData.getSingularizer().appendCleaningCode(bfd.singularData, builderType, statements);
		}
	}
	
	FieldReference thisUnclean = new FieldReference(CLEAN_FIELD_NAME, 0);
	thisUnclean.receiver = new ThisReference(0, 0);
	statements.add(new Assignment(thisUnclean, new FalseLiteral(0, 0), 0));
	MethodDeclaration decl = new MethodDeclaration(((CompilationUnitDeclaration) builderType.top().get()).compilationResult);
	decl.selector = CLEAN_METHOD_NAME;
	decl.modifiers = ClassFileConstants.AccPrivate;
	decl.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
	decl.returnType = TypeReference.baseTypeReference(TypeIds.T_void, 0);
	decl.statements = statements.toArray(new Statement[0]);
	decl.traverse(new SetGeneratedByVisitor(source), (ClassScope) null);
	return decl;
}
 

import org.eclipse.jdt.internal.compiler.ast.FalseLiteral; //导入依赖的package包/类
public IfStatement generateCompareFloatOrDouble(Expression thisRef, Expression otherRef, char[] floatOrDouble, ASTNode source) {
	int pS = source.sourceStart, pE = source.sourceEnd;
	/* if (Float.compare(fieldName, other.fieldName) != 0) return false */
	MessageSend floatCompare = new MessageSend();
	floatCompare.sourceStart = pS; floatCompare.sourceEnd = pE;
	setGeneratedBy(floatCompare, source);
	floatCompare.receiver = generateQualifiedNameRef(source, TypeConstants.JAVA, TypeConstants.LANG, floatOrDouble);
	floatCompare.selector = "compare".toCharArray();
	floatCompare.arguments = new Expression[] {thisRef, otherRef};
	IntLiteral int0 = makeIntLiteral("0".toCharArray(), source);
	EqualExpression ifFloatCompareIsNot0 = new EqualExpression(floatCompare, int0, OperatorIds.NOT_EQUAL);
	ifFloatCompareIsNot0.sourceStart = pS; ifFloatCompareIsNot0.sourceEnd = pE;
	setGeneratedBy(ifFloatCompareIsNot0, source);
	FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
	setGeneratedBy(falseLiteral, source);
	ReturnStatement returnFalse = new ReturnStatement(falseLiteral, pS, pE);
	setGeneratedBy(returnFalse, source);
	IfStatement ifStatement = new IfStatement(ifFloatCompareIsNot0, returnFalse, pS, pE);
	setGeneratedBy(ifStatement, source);
	return ifStatement;
}
 

import org.eclipse.jdt.internal.compiler.ast.FalseLiteral; //导入依赖的package包/类
private IfStatement generateCompareFloatOrDouble(Expression thisRef, Expression otherRef, char[] floatOrDouble, ASTNode source) {
	int pS = source.sourceStart, pE = source.sourceEnd;
	/* if (Float.compare(fieldName, other.fieldName) != 0) return false */
	MessageSend floatCompare = new MessageSend();
	floatCompare.sourceStart = pS; floatCompare.sourceEnd = pE;
	setGeneratedBy(floatCompare, source);
	floatCompare.receiver = generateQualifiedNameRef(source, TypeConstants.JAVA, TypeConstants.LANG, floatOrDouble);
	floatCompare.selector = "compare".toCharArray();
	floatCompare.arguments = new Expression[] {thisRef, otherRef};
	IntLiteral int0 = makeIntLiteral("0".toCharArray(), source);
	EqualExpression ifFloatCompareIsNot0 = new EqualExpression(floatCompare, int0, OperatorIds.NOT_EQUAL);
	ifFloatCompareIsNot0.sourceStart = pS; ifFloatCompareIsNot0.sourceEnd = pE;
	setGeneratedBy(ifFloatCompareIsNot0, source);
	FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
	setGeneratedBy(falseLiteral, source);
	ReturnStatement returnFalse = new ReturnStatement(falseLiteral, pS, pE);
	setGeneratedBy(returnFalse, source);
	IfStatement ifStatement = new IfStatement(ifFloatCompareIsNot0, returnFalse, pS, pE);
	setGeneratedBy(ifStatement, source);
	return ifStatement;
}
 

import org.eclipse.jdt.internal.compiler.ast.FalseLiteral; //导入依赖的package包/类
private static Expression getDefaultExpr(TypeReference type, int s, int e) {
	char[] lastToken = type.getLastToken();
	if (Arrays.equals(TypeConstants.BOOLEAN, lastToken)) return new FalseLiteral(s, e);
	if (Arrays.equals(TypeConstants.CHAR, lastToken)) return new CharLiteral(new char[] {'\'', '\\', '0', '\''}, s, e);
	if (Arrays.equals(TypeConstants.BYTE, lastToken) || Arrays.equals(TypeConstants.SHORT, lastToken) ||
		Arrays.equals(TypeConstants.INT, lastToken)) return IntLiteral.buildIntLiteral(new char[] {'0'}, s, e);
	if (Arrays.equals(TypeConstants.LONG, lastToken)) return LongLiteral.buildLongLiteral(new char[] {'0',  'L'}, s, e);
	if (Arrays.equals(TypeConstants.FLOAT, lastToken)) return new FloatLiteral(new char[] {'0', 'F'}, s, e);
	if (Arrays.equals(TypeConstants.DOUBLE, lastToken)) return new DoubleLiteral(new char[] {'0', 'D'}, s, e);
	
	return new NullLiteral(s, e);
}
 

import org.eclipse.jdt.internal.compiler.ast.FalseLiteral; //导入依赖的package包/类
/**
 * @see org.eclipse.jdt.internal.compiler.ASTVisitor#visit(org.eclipse.jdt.internal.compiler.ast.FalseLiteral, org.eclipse.jdt.internal.compiler.lookup.BlockScope)
 */
public boolean visit(FalseLiteral falseLiteral, BlockScope scope) {

	final int numberOfParens = (falseLiteral.bits & ASTNode.ParenthesizedMASK) >> ASTNode.ParenthesizedSHIFT;
	if (numberOfParens > 0) {
		manageOpeningParenthesizedExpression(falseLiteral, numberOfParens);
	}
	this.scribe.printNextToken(TerminalTokens.TokenNamefalse);

	if (numberOfParens > 0) {
		manageClosingParenthesizedExpression(falseLiteral, numberOfParens);
	}
	return false;
}
 

import org.eclipse.jdt.internal.compiler.ast.FalseLiteral; //导入依赖的package包/类
private static final boolean toBoolean(Object expr, boolean defaultValue) {
	if (expr == null) return defaultValue;
	if (expr instanceof FalseLiteral) return false;
	if (expr instanceof TrueLiteral) return true;
	return ((Boolean) expr).booleanValue();
}
 

import org.eclipse.jdt.internal.compiler.ast.FalseLiteral; //导入依赖的package包/类
@Override public boolean visit(FalseLiteral node, BlockScope scope) {
	fixPositions(setGeneratedBy(node, source));
	return super.visit(node, scope);
}
 

import org.eclipse.jdt.internal.compiler.ast.FalseLiteral; //导入依赖的package包/类
public boolean visit(FalseLiteral falseLiteral, BlockScope scope) {
	addSmallFragment(falseLiteral);
	return false;
}
 

import org.eclipse.jdt.internal.compiler.ast.FalseLiteral; //导入依赖的package包/类
@Override
public void endVisit(FalseLiteral x, BlockScope scope) {
  push(JBooleanLiteral.FALSE);
}
 

import org.eclipse.jdt.internal.compiler.ast.FalseLiteral; //导入依赖的package包/类
@Override public boolean visit(FalseLiteral node, BlockScope scope) {
	setGeneratedBy(node, source);
	applyOffsetExpression(node);
	return super.visit(node, scope);
}