private static boolean spreadable(Parameter param, List<Parameter> list) {
Parameter lastParam = list.get(list.size() - 1);
if (param == lastParam && param.getModel() instanceof Value) {
Type type = param.getType();
Unit unit = param.getDeclaration().getUnit();
return type != null && unit.isIterableParameterType(type);
} else {
return false;
}
}
private Referenceable resolveNative(
Referenceable referenceable, Declaration dec, Backends backends) {
Unit unit = dec.getUnit();
Scope containerToSearchHeaderIn = null;
if (unit instanceof CeylonBinaryUnit) {
CeylonBinaryUnit binaryUnit = (CeylonBinaryUnit) unit;
ExternalPhasedUnit phasedUnit = binaryUnit.getPhasedUnit();
if (phasedUnit != null) {
ExternalSourceFile sourceFile = phasedUnit.getUnit();
if (sourceFile != null) {
String sourceRelativePath =
toJavaString(
binaryUnit
.getCeylonModule()
.toSourceUnitRelativePath(toCeylonString(unit.getRelativePath())));
if (sourceRelativePath != null && sourceRelativePath.endsWith(".ceylon")) {
for (Declaration sourceDecl : sourceFile.getDeclarations()) {
if (sourceDecl.equals(dec)) {
containerToSearchHeaderIn = sourceDecl.getContainer();
break;
}
}
} else {
for (Declaration sourceDecl : sourceFile.getDeclarations()) {
if (sourceDecl.getQualifiedNameString().equals(dec.getQualifiedNameString())) {
containerToSearchHeaderIn = sourceDecl.getContainer();
break;
}
}
}
}
}
} else {
containerToSearchHeaderIn = dec.getContainer();
}
if (containerToSearchHeaderIn != null) {
Declaration headerDeclaration = getNativeHeader(containerToSearchHeaderIn, dec.getName());
if (headerDeclaration == null || !headerDeclaration.isNative()) return null;
if (backends.header()) {
referenceable = headerDeclaration;
} else {
if (headerDeclaration != null) {
referenceable = getNativeDeclaration(headerDeclaration, supportedBackends());
}
}
}
return referenceable;
}
public static String[] getAssignableLiterals(Type type, Unit unit) {
TypeDeclaration dtd = unit.getDefiniteType(type).getDeclaration();
if (dtd instanceof Class) {
if (dtd.isInteger()) {
return new String[] {"0", "1", "2"};
}
if (dtd.isByte()) {
return new String[] {"0.byte", "1.byte"};
} else if (dtd.isFloat()) {
return new String[] {"0.0", "1.0", "2.0"};
} else if (dtd.isString()) {
return new String[] {"\"\"", "\"\"\"\"\"\""};
} else if (dtd.isCharacter()) {
return new String[] {"' '", "'\\n'", "'\\t'"};
} else {
return new String[0];
}
} else if (dtd instanceof Interface) {
if (dtd.isIterable()) {
return new String[] {"{}"};
} else if (dtd.isSequential() || dtd.isEmpty()) {
return new String[] {"[]"};
} else {
return new String[0];
}
} else {
return new String[0];
}
}
static Tree.CompilationUnit getRootNode(PhasedUnit unit) {
IEditorPart ce = getCurrentEditor();
if (ce instanceof CeylonEditor) {
CeylonEditor editor = (CeylonEditor) ce;
CeylonParseController cpc = editor.getParseController();
if (cpc != null) {
Tree.CompilationUnit rn = cpc.getTypecheckedRootNode();
if (rn != null) {
Unit u = rn.getUnit();
if (u.equals(unit.getUnit())) {
return rn;
}
}
}
}
return unit.getCompilationUnit();
}
static String anonFunctionHeader(Type requiredType, Unit unit) {
StringBuilder text = new StringBuilder();
text.append("(");
boolean first = true;
char c = 'a';
List<Type> argTypes = unit.getCallableArgumentTypes(requiredType);
for (Type paramType : argTypes) {
if (first) {
first = false;
} else {
text.append(", ");
}
text.append(paramType.asSourceCodeString(unit)).append(" ").append(c++);
}
text.append(")");
return text.toString();
}
static String defaultValue(Unit unit, Type t) {
if (isTypeUnknown(t)) {
return "nothing";
}
if (unit.isOptionalType(t)) {
return "null";
}
if (t.isTypeAlias() || t.isClassOrInterface() && t.getDeclaration().isAlias()) {
return defaultValue(unit, t.getExtendedType());
}
if (t.isClass()) {
TypeDeclaration c = t.getDeclaration();
if (c.equals(unit.getBooleanDeclaration())) {
return "false";
} else if (c.equals(unit.getIntegerDeclaration())) {
return "0";
} else if (c.equals(unit.getFloatDeclaration())) {
return "0.0";
} else if (c.equals(unit.getStringDeclaration())) {
return "\"\"";
} else if (c.equals(unit.getByteDeclaration())) {
return "0.byte";
} else if (c.equals(unit.getTupleDeclaration())) {
final int minimumLength = unit.getTupleMinimumLength(t);
final List<Type> tupleTypes = unit.getTupleElementTypes(t);
final StringBuilder sb = new StringBuilder();
for (int i = 0; i < minimumLength; i++) {
sb.append(sb.length() == 0 ? "[" : ", ");
Type currentType = tupleTypes.get(i);
if (unit.isSequentialType(currentType)) {
currentType = unit.getSequentialElementType(currentType);
}
sb.append(defaultValue(unit, currentType));
}
sb.append(']');
return sb.toString();
} else if (unit.isSequentialType(t)) {
final StringBuilder sb = new StringBuilder();
sb.append('[');
if (!unit.getEmptyType().isSubtypeOf(t)) {
sb.append(defaultValue(unit, unit.getSequentialElementType(t)));
}
sb.append(']');
return sb.toString();
} else if (unit.isIterableType(t)) {
final StringBuilder sb = new StringBuilder();
sb.append('{');
if (!unit.getEmptyType().isSubtypeOf(t)) {
sb.append(defaultValue(unit, unit.getIteratedType(t)));
}
sb.append('}');
return sb.toString();
} else {
return "nothing";
}
} else {
return "nothing";
}
}