/**
* Clarifies array dimensions if this defines implicitly sized array by initializer. Does nothing
* otherwise.
*/
private GLSLType clarifyArrayType(GLSLType baseType) {
if (!(baseType instanceof GLSLArrayType)) return baseType; // No need to clarify non-array types
final GLSLArrayType myArrayType = (GLSLArrayType) baseType;
final int[] myDimensions = myArrayType.getDimensions();
{ // Try clarifying using initializer list
GLSLInitializer rawInitializer = getInitializer();
if (rawInitializer != null && rawInitializer instanceof GLSLInitializerList) {
// Clarify using initializer list
GLSLInitializerList initializerList = (GLSLInitializerList) rawInitializer;
for (int i = 0; i < myDimensions.length; i++) {
GLSLInitializer[] initializers = initializerList.getInitializers();
if (myDimensions[i] == GLSLArrayType.UNDEFINED_SIZE_DIMENSION) {
// Can clarify that!
myDimensions[i] = initializers.length;
}
if (initializers.length >= 1 && initializers[0] instanceof GLSLInitializerList) {
initializerList = (GLSLInitializerList) initializers[0];
} else {
// Can't clarify any more
break;
}
}
return baseType; // Dimensions are changed in place, so no need to create new instance
}
}
{ // Try clarifying using expression
GLSLExpression rawExpression = getInitializerExpression();
if (rawExpression != null) {
GLSLType type = rawExpression.getType();
if (type instanceof GLSLArrayType) {
GLSLArrayType arrayType = (GLSLArrayType) type;
// Great, it is being correctly initialized, try to copy as many missing dimensions as we
// can
final int[] dimensions = arrayType.getDimensions();
for (int i = 0; i < myDimensions.length && i < dimensions.length; i++) {
if (myDimensions[i] == GLSLArrayType.UNDEFINED_SIZE_DIMENSION) {
// Copy that
myDimensions[i] = dimensions[i];
}
}
return baseType; // Dimensions are changed in place, so no need to create new instance
} // else - not even valid initializer
}
}
return baseType; // Could not clarify
}
@Override
public void annotate(GLSLVariableDeclaration expr, AnnotationHolder holder) {
for (final GLSLDeclarator declarator : expr.getDeclarators()) {
final GLSLType variableType = declarator.getType();
final GLSLExpression initializer = declarator.getInitializerExpression();
if (variableType.isValidType() && initializer != null) {
final GLSLType assignedType = initializer.getType();
if (!assignedType.isValidType()) continue;
if (GLSLTypeCompatibilityLevel.getCompatibilityLevel(assignedType, variableType)
== GLSLTypeCompatibilityLevel.INCOMPATIBLE) {
holder.createErrorAnnotation(
initializer,
"Can't assign '"
+ assignedType.getTypename()
+ "' to '"
+ variableType.getTypename()
+ "'");
}
}
}
}
