private TypeBase ResolveTypeRef(TypeRef typeRef)
{
TypeBase resolvedType = PrimaryType.Unknown;
var name = typeRef.TypeName;
if (!m_types.Contains(name.Content))
{
m_errorManager.AddError(c_SE_TypeNameMissing, name.Span, name.Content);
}
else
{
typeRef.Type = m_types[name.Content];
resolvedType = typeRef.Type;
}
return(resolvedType);
}
public object GetResult(int index, CompilationErrorManager errorManager)
{
CodeContract.RequiresArgumentInRange(index >= 0 && index < m_acceptedHeads.Count, "index", "index is out of range");
var head = m_acceptedHeads[index];
if (head.Errors != null && errorManager != null)
{
//aggregate errors
foreach (var error in head.Errors)
{
int errorId = error.ErrorId ?? m_errorDef.OtherErrorId;
errorManager.AddError(errorId, error.ErrorPosition, error.ErrorArgument);
}
}
return(head.TopStackValue);
}
public object GetResult(int index, CompilationErrorManager errorManager)
{
CodeContract.RequiresArgumentInRange(index >= 0 && index < m_acceptedHeads.Count, "index", "index is out of range");
var head = m_acceptedHeads[index];
if (head.Errors != null && errorManager != null)
{
//aggregate errors
foreach (var error in head.Errors)
{
int errorId = error.ErrorId ?? m_errorDef.OtherErrorId;
errorManager.AddError(errorId, error.ErrorPosition, error.ErrorArgument);
}
}
return head.TopStackValue;
}
public override AstNode VisitClassDecl(ClassDecl ast)
{
var name = ast.Name.Value;
if (m_types.Contains(name))
{
m_errorManager.AddError(c_SE_TypeNameDuplicates, ast.Name.Span, name);
return(ast);
}
var classType = new CodeClassType()
{
Name = name
};
m_types.Add(classType);
ast.Type = classType;
return(ast);
}
private VariableInfo ResolveVariable(LexemeValue identifier)
{
//step1, check local parameter & variable definitions
if (m_currentMethodParameters.Contains(identifier.Content))
{
return(m_currentMethodParameters[identifier.Content]);
}
else if (m_currentMethodVariables.Contains(identifier.Content))
{
return(m_currentMethodVariables[identifier.Content]);
}
//step2, if not static method, check fields
if (!m_currentMethod.IsStatic)
{
return(ResolveField(m_currentType, identifier));
}
m_errorManager.AddError(c_SE_VariableDeclMissing, identifier.Span, identifier.Content);
return(null);
}