Java Code Examples for org.codehaus.groovy.ast.FieldNode#getInitialValueExpression()
The following examples show how to use
org.codehaus.groovy.ast.FieldNode#getInitialValueExpression() .
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Example 1
| Source File: GeneralUtils.java From groovy with Apache License 2.0 | 6 votes |
|
public static Statement createConstructorStatementDefault(final FieldNode fNode) {
final String name = fNode.getName();
final ClassNode fType = fNode.getType();
final Expression fieldExpr = propX(varX("this"), name);
Expression initExpr = fNode.getInitialValueExpression();
Statement assignInit;
if (initExpr == null || (initExpr instanceof ConstantExpression && ((ConstantExpression) initExpr).isNullExpression())) {
if (ClassHelper.isPrimitiveType(fType)) {
assignInit = EmptyStatement.INSTANCE;
} else {
assignInit = assignS(fieldExpr, ConstantExpression.EMPTY_EXPRESSION);
}
} else {
assignInit = assignS(fieldExpr, initExpr);
}
fNode.setInitialValueExpression(null);
Expression value = findArg(name);
return ifElseS(equalsNullX(value), assignInit, assignS(fieldExpr, castX(fType, value)));
}
Example 2
| Source File: ImmutablePropertyHandler.java From groovy with Apache License 2.0 | 6 votes |
|
private static Statement createConstructorStatementDefault(FieldNode fNode, Parameter namedArgsMap, boolean shouldNullCheck) {
final ClassNode fType = fNode.getType();
final Expression fieldExpr = propX(varX("this"), fNode.getName());
Expression param = getParam(fNode, namedArgsMap != null);
Statement assignStmt = assignS(fieldExpr, castX(fType, param));
if (shouldNullCheck) {
assignStmt = ifElseS(equalsNullX(param), NullCheckASTTransformation.makeThrowStmt(fNode.getName()), assignStmt);
}
Expression initExpr = fNode.getInitialValueExpression();
Statement assignInit;
if (initExpr == null || (initExpr instanceof ConstantExpression && ((ConstantExpression) initExpr).isNullExpression())) {
if (ClassHelper.isPrimitiveType(fType)) {
assignInit = EmptyStatement.INSTANCE;
} else {
assignInit = shouldNullCheck ? NullCheckASTTransformation.makeThrowStmt(fNode.getName()) : assignNullS(fieldExpr);
}
} else {
assignInit = assignS(fieldExpr, initExpr);
}
return assignFieldWithDefault(namedArgsMap, fNode, assignStmt, assignInit);
}
Example 3
| Source File: ImmutablePropertyHandler.java From groovy with Apache License 2.0 | 6 votes |
|
private static Statement createConstructorStatementGuarded(FieldNode fNode, Parameter namedArgsMap, List<String> knownImmutables, List<String> knownImmutableClasses, boolean shouldNullCheck) {
final Expression fieldExpr = propX(varX("this"), fNode.getName());
Expression param = getParam(fNode, namedArgsMap != null);
Statement assignStmt = assignS(fieldExpr, createCheckImmutable(fNode, param, knownImmutables, knownImmutableClasses));
assignStmt = ifElseS(
equalsNullX(param),
shouldNullCheck ? NullCheckASTTransformation.makeThrowStmt(fNode.getName()) : assignNullS(fieldExpr),
assignStmt);
Expression initExpr = fNode.getInitialValueExpression();
final Statement assignInit;
if (initExpr == null || (initExpr instanceof ConstantExpression && ((ConstantExpression) initExpr).isNullExpression())) {
assignInit = shouldNullCheck ? NullCheckASTTransformation.makeThrowStmt(fNode.getName()) : assignNullS(fieldExpr);
} else {
assignInit = assignS(fieldExpr, createCheckImmutable(fNode, initExpr, knownImmutables, knownImmutableClasses));
}
return assignFieldWithDefault(namedArgsMap, fNode, assignStmt, assignInit);
}
Example 4
| Source File: ImmutablePropertyHandler.java From groovy with Apache License 2.0 | 6 votes |
|
private Statement createConstructorStatementCollection(FieldNode fNode, Parameter namedArgsMap, boolean shouldNullCheck) {
final Expression fieldExpr = propX(varX("this"), fNode.getName());
ClassNode fieldType = fieldExpr.getType();
Expression param = getParam(fNode, namedArgsMap != null);
Statement assignStmt = ifElseS(
isInstanceOfX(param, CLONEABLE_TYPE),
assignS(fieldExpr, cloneCollectionExpr(cloneArrayOrCloneableExpr(param, fieldType), fieldType)),
assignS(fieldExpr, cloneCollectionExpr(param, fieldType)));
assignStmt = ifElseS(
equalsNullX(param),
shouldNullCheck ? NullCheckASTTransformation.makeThrowStmt(fNode.getName()) : assignNullS(fieldExpr),
assignStmt);
Expression initExpr = fNode.getInitialValueExpression();
final Statement assignInit;
if (initExpr == null || (initExpr instanceof ConstantExpression && ((ConstantExpression) initExpr).isNullExpression())) {
assignInit = shouldNullCheck ? NullCheckASTTransformation.makeThrowStmt(fNode.getName()) : assignNullS(fieldExpr);
} else {
assignInit = assignS(fieldExpr, cloneCollectionExpr(initExpr, fieldType));
}
return assignFieldWithDefault(namedArgsMap, fNode, assignStmt, assignInit);
}
Example 5
| Source File: ImmutablePropertyHandler.java From groovy with Apache License 2.0 | 6 votes |
|
private static Statement createConstructorStatementArrayOrCloneable(FieldNode fNode, Parameter namedArgsMap, boolean shouldNullCheck) {
final Expression fieldExpr = propX(varX("this"), fNode.getName());
final ClassNode fieldType = fNode.getType();
final Expression param = getParam(fNode, namedArgsMap != null);
Statement assignStmt = assignS(fieldExpr, cloneArrayOrCloneableExpr(param, fieldType));
assignStmt = ifElseS(
equalsNullX(param),
shouldNullCheck ? NullCheckASTTransformation.makeThrowStmt(fNode.getName()) : assignNullS(fieldExpr),
assignStmt);
final Statement assignInit;
final Expression initExpr = fNode.getInitialValueExpression();
if (initExpr == null || (initExpr instanceof ConstantExpression && ((ConstantExpression) initExpr).isNullExpression())) {
assignInit = shouldNullCheck ? NullCheckASTTransformation.makeThrowStmt(fNode.getName()) : assignNullS(fieldExpr);
} else {
assignInit = assignS(fieldExpr, cloneArrayOrCloneableExpr(initExpr, fieldType));
}
return assignFieldWithDefault(namedArgsMap, fNode, assignStmt, assignInit);
}
Example 6
| Source File: ImmutablePropertyHandler.java From groovy with Apache License 2.0 | 6 votes |
|
private static Statement createConstructorStatementDate(FieldNode fNode, Parameter namedArgsMap, boolean shouldNullCheck) {
final Expression fieldExpr = propX(varX("this"), fNode.getName());
final Expression param = getParam(fNode, namedArgsMap != null);
Statement assignStmt = assignS(fieldExpr, cloneDateExpr(param));
assignStmt = ifElseS(
equalsNullX(param),
shouldNullCheck ? NullCheckASTTransformation.makeThrowStmt(fNode.getName()) : assignNullS(fieldExpr),
assignStmt);
final Statement assignInit;
Expression initExpr = fNode.getInitialValueExpression();
if (initExpr == null || (initExpr instanceof ConstantExpression && ((ConstantExpression) initExpr).isNullExpression())) {
assignInit = shouldNullCheck ? NullCheckASTTransformation.makeThrowStmt(fNode.getName()) : assignNullS(fieldExpr);
} else {
assignInit = assignS(fieldExpr, cloneDateExpr(initExpr));
}
return assignFieldWithDefault(namedArgsMap, fNode, assignStmt, assignInit);
}
Example 7
| Source File: LegacyHashMapPropertyHandler.java From groovy with Apache License 2.0 | 6 votes |
|
private Statement createLegacyConstructorStatementMapSpecial(FieldNode fNode) {
final Expression fieldExpr = varX(fNode);
final ClassNode fieldType = fieldExpr.getType();
final Expression initExpr = fNode.getInitialValueExpression();
final Statement assignInit;
if (initExpr == null || (initExpr instanceof ConstantExpression && ((ConstantExpression) initExpr).isNullExpression())) {
assignInit = assignS(fieldExpr, ConstantExpression.EMPTY_EXPRESSION);
} else {
assignInit = assignS(fieldExpr, cloneCollectionExpr(initExpr, fieldType));
}
Expression namedArgs = findArg(fNode.getName());
Expression baseArgs = varX("args");
Statement assignStmt = ifElseS(
equalsNullX(namedArgs),
ifElseS(
isTrueX(callX(baseArgs, "containsKey", constX(fNode.getName()))),
assignS(fieldExpr, namedArgs),
assignS(fieldExpr, cloneCollectionExpr(baseArgs, fieldType))),
ifElseS(
isOneX(callX(baseArgs, "size")),
assignS(fieldExpr, cloneCollectionExpr(namedArgs, fieldType)),
assignS(fieldExpr, cloneCollectionExpr(baseArgs, fieldType)))
);
return ifElseS(equalsNullX(baseArgs), assignInit, assignStmt);
}
Example 8
| Source File: ExpressionUtils.java From groovy with Apache License 2.0 | 5 votes |
|
private static Expression findConstant(final FieldNode fn) {
if (fn != null && !fn.isEnum() && fn.isStatic() && fn.isFinal()
&& fn.getInitialValueExpression() instanceof ConstantExpression) {
return fn.getInitialValueExpression();
}
return null;
}
Example 9
| Source File: LazyASTTransformation.java From groovy with Apache License 2.0 | 5 votes |
|
private static Expression getInitExpr(ErrorCollecting xform, FieldNode fieldNode) {
Expression initExpr = fieldNode.getInitialValueExpression();
fieldNode.setInitialValueExpression(null);
if (initExpr == null || initExpr instanceof EmptyExpression) {
if (fieldNode.getType().isAbstract()) {
xform.addError("You cannot lazily initialize '" + fieldNode.getName() + "' from the abstract class '" +
fieldNode.getType().getName() + "'", fieldNode);
}
initExpr = ctorX(fieldNode.getType());
}
return initExpr;
}
Example 10
| Source File: AsmClassGenerator.java From groovy with Apache License 2.0 | 5 votes |
|
@Override
public void visitField(final FieldNode fieldNode) {
onLineNumber(fieldNode, "visitField: " + fieldNode.getName());
ClassNode t = fieldNode.getType();
String signature = BytecodeHelper.getGenericsBounds(t);
Expression initialValueExpression = fieldNode.getInitialValueExpression();
ConstantExpression cexp = initialValueExpression instanceof ConstantExpression? (ConstantExpression) initialValueExpression :null;
if (cexp!=null) {
cexp = Verifier.transformToPrimitiveConstantIfPossible(cexp);
}
Object value = cexp != null && ClassHelper.isStaticConstantInitializerType(cexp.getType())
&& cexp.getType().equals(t) && fieldNode.isStatic() && fieldNode.isFinal()
? cexp.getValue() : null; // GROOVY-5150
if (value != null) {
// byte, char and short require an extra cast
if (ClassHelper.byte_TYPE.equals(t) || ClassHelper.short_TYPE.equals(t)) {
value = ((Number) value).intValue();
} else if (ClassHelper.char_TYPE.equals(t)) {
value = Integer.valueOf((Character)value);
}
}
FieldVisitor fv = classVisitor.visitField(
fieldNode.getModifiers(),
fieldNode.getName(),
BytecodeHelper.getTypeDescription(t),
signature,
value);
visitAnnotations(fieldNode, fv);
fv.visitEnd();
}
Example 11
| Source File: Verifier.java From groovy with Apache License 2.0 | 4 votes |
|
protected void addFieldInitialization(List list, List staticList, FieldNode fieldNode,
boolean isEnumClassNode, List initStmtsAfterEnumValuesInit, Set explicitStaticPropsInEnum) {
Expression expression = fieldNode.getInitialExpression();
if (expression != null) {
final FieldExpression fe = new FieldExpression(fieldNode);
if (fieldNode.getType().equals(ClassHelper.REFERENCE_TYPE) && ((fieldNode.getModifiers() & ACC_SYNTHETIC) != 0)) {
fe.setUseReferenceDirectly(true);
}
ExpressionStatement statement =
new ExpressionStatement(
new BinaryExpression(
fe,
Token.newSymbol(Types.EQUAL, fieldNode.getLineNumber(), fieldNode.getColumnNumber()),
expression));
if (fieldNode.isStatic()) {
// GROOVY-3311: pre-defined constants added by groovy compiler for numbers/characters should be
// initialized first so that code dependent on it does not see their values as empty
Expression initialValueExpression = fieldNode.getInitialValueExpression();
Expression transformed = transformInlineConstants(initialValueExpression, fieldNode.getType());
if (transformed instanceof ConstantExpression) {
ConstantExpression cexp = (ConstantExpression) transformed;
cexp = transformToPrimitiveConstantIfPossible(cexp);
if (fieldNode.isFinal() && ClassHelper.isStaticConstantInitializerType(cexp.getType()) && cexp.getType().equals(fieldNode.getType())) {
fieldNode.setInitialValueExpression(transformed);
return; // GROOVY-5150: primitive type constants will be initialized directly
}
staticList.add(0, statement);
} else {
staticList.add(statement);
}
fieldNode.setInitialValueExpression(null); // to avoid double initialization in case of several constructors
/*
* If it is a statement for an explicitly declared static field inside an enum, store its
* reference. For enums, they need to be handled differently as such init statements should
* come after the enum values have been initialized inside <clinit> block. GROOVY-3161.
*/
if (isEnumClassNode && explicitStaticPropsInEnum.contains(fieldNode.getName())) {
initStmtsAfterEnumValuesInit.add(statement);
}
} else {
list.add(statement);
}
}
}
Example 12
| Source File: JavaStubGenerator.java From groovy with Apache License 2.0 | 4 votes |
|
private void printField(PrintWriter out, FieldNode fieldNode, boolean isInterface) {
if ((fieldNode.getModifiers() & Opcodes.ACC_PRIVATE) != 0) return;
printAnnotations(out, fieldNode);
if (!isInterface) {
printModifiers(out, fieldNode.getModifiers());
}
ClassNode type = fieldNode.getType();
printType(out, type);
out.print(" ");
out.print(fieldNode.getName());
if (isInterface || (fieldNode.getModifiers() & Opcodes.ACC_FINAL) != 0) {
out.print(" = ");
Expression valueExpr = fieldNode.getInitialValueExpression();
if (valueExpr instanceof ConstantExpression) {
valueExpr = Verifier.transformToPrimitiveConstantIfPossible((ConstantExpression) valueExpr);
}
if (valueExpr instanceof ConstantExpression
&& fieldNode.isStatic() && fieldNode.isFinal()
&& ClassHelper.isStaticConstantInitializerType(valueExpr.getType())
&& valueExpr.getType().equals(fieldNode.getType())) {
// GROOVY-5150 : Initialize value with a dummy constant so that Java cross compiles correctly
if (ClassHelper.STRING_TYPE.equals(valueExpr.getType())) {
out.print(formatString(valueExpr.getText()));
} else if (ClassHelper.char_TYPE.equals(valueExpr.getType())) {
out.print("'"+valueExpr.getText()+"'");
} else {
ClassNode constantType = valueExpr.getType();
out.print('(');
printType(out, type);
out.print(") ");
out.print(valueExpr.getText());
if (ClassHelper.Long_TYPE.equals(ClassHelper.getWrapper(constantType))) out.print('L');
}
} else if (ClassHelper.isPrimitiveType(type)) {
String val = type == ClassHelper.boolean_TYPE ? "false" : "0";
out.print("new " + ClassHelper.getWrapper(type) + "((" + type + ")" + val + ")");
} else {
out.print("null");
}
}
out.println(";");
}
