public MethodSupport(
ScopeLookup scope, ASTMethod node, Set<? extends Modifier> modifiers, LpcType returnType) {
_node = node;
ASTIdentifier identifier = ASTUtil.getChild(ASTIdentifier.class, _node);
Token token = identifier.jjtGetFirstToken();
_name = token.image;
_body = ASTUtil.getChild(ASTStatementBlock.class, node);
_scope = scope;
_modifiers = modifiers;
_returnType = returnType;
_namer = new MethodNamer(true, false);
_argumentDefinitions = buildArgumentDefinitions();
}
public static List<? extends ArgumentDefinition> buildArgumentDefinitions(
ASTParameterDeclarations parameters, ScopeLookup scope) {
List<ArgumentDefinition> args =
new ArrayList<ArgumentDefinition>(parameters.jjtGetNumChildren());
for (TokenNode child : ASTUtil.children(parameters)) {
assert child instanceof ASTParameterDeclaration;
args.add(buildArgumentDefinition((ASTParameterDeclaration) child, scope));
}
return args;
}
private static ArgumentDefinition buildArgumentDefinition(
ASTParameterDeclaration node, ScopeLookup scope) {
ASTFullType fullType = ASTUtil.getChild(ASTFullType.class, node);
ASTIdentifier identifier = ASTUtil.getChild(ASTIdentifier.class, node);
boolean ref = ASTUtil.hasChildType(ASTRef.class, node);
boolean expander = ASTUtil.hasChildType(ASTElementExpander.class, node);
String name = ASTUtil.getImage(identifier);
LpcType type = new TypeSupport(scope, fullType).getType();
if (expander && !type.isArray()) {
throw new CompileException(
node,
"Attempt to use expander (vargargs) '...' on argument '"
+ name
+ "' without declaring it as an array");
}
return new ArgumentSpec(
name,
type,
expander,
ref ? ArgumentSemantics.EXPLICIT_REFERENCE : ArgumentSemantics.BY_VALUE);
}
public String getIdentifierName() {
return ASTUtil.getImage(this);
}
private List<? extends ArgumentDefinition> buildArgumentDefinitions() {
ASTParameterDeclarations parameters = ASTUtil.getChild(ASTParameterDeclarations.class, _node);
return buildArgumentDefinitions(parameters, _scope);
}