/// <summary>Creates functions or procedure</summary>
public Function(QualifiedName name, IList<ParameterDescriptionEntry> inputs, IList<ParameterDescriptionEntry> outputs, IList<ParameterDescriptionEntry> inouts, ParameterDescriptionEntry returning, AccessModifier visibility = AccessModifier.Private)
{
QualifiedName = name;
Profile = new ParametersProfile();
Profile.InputParameters = inputs ?? new List<ParameterDescriptionEntry>();
Profile.OutputParameters = outputs ?? new List<ParameterDescriptionEntry>();
Profile.InoutParameters = inouts ?? new List<ParameterDescriptionEntry>();
Profile.ReturningParameter = returning;
Visibility = visibility;
}
private void CreateOrUpdateLinkageSection(Compiler.Nodes.FunctionDeclaration node, ParametersProfile profile)
{
var linkage = node.Get<Compiler.Nodes.LinkageSection>("linkage");
var parameters = profile.InputParameters.Count + profile.InoutParameters.Count + profile.OutputParameters.Count + (profile.ReturningParameter != null? 1:0);
IReadOnlyList<DataDefinition> data = new List<DataDefinition>().AsReadOnly();
if (linkage == null && parameters > 0) {
var datadiv = node.Get<Compiler.Nodes.DataDivision>("data-division");
if (datadiv == null) {
datadiv = new DataDivision();
children.Add(datadiv);
}
linkage = new LinkageSection();
datadiv.Add(linkage);
}
if (linkage != null) data = linkage.Children();
// TCRFUN_CODEGEN_PARAMETERS_ORDER
var generated = new List<string>();
foreach(var parameter in profile.InputParameters) {
if (!generated.Contains(parameter.Name) && !Contains(data, parameter.Name)) {
linkage.Add(CreateParameterEntry(parameter, node.SymbolTable));
generated.Add(parameter.Name);
}
}
foreach(var parameter in profile.InoutParameters) {
if (!generated.Contains(parameter.Name) && !Contains(data, parameter.Name)) {
linkage.Add(CreateParameterEntry(parameter, node.SymbolTable));
generated.Add(parameter.Name);
}
}
foreach(var parameter in profile.OutputParameters) {
if (!generated.Contains(parameter.Name) && !Contains(data, parameter.Name)) {
linkage.Add(CreateParameterEntry(parameter, node.SymbolTable));
generated.Add(parameter.Name);
}
}
if (profile.ReturningParameter != null) {
if (!generated.Contains(profile.ReturningParameter.Name) && !Contains(data, profile.ReturningParameter.Name)) {
linkage.Add(CreateParameterEntry(profile.ReturningParameter, node.SymbolTable));
generated.Add(profile.ReturningParameter.Name);
}
}
}
public virtual bool Visit(ParametersProfile parametersProfile)
{
return(true);
}
/// <summary>TCRFUN_DECLARATION_NO_DUPLICATE_NAME</summary>
/// <param name="node">LINKAGE SECTION node</param>
/// <param name="profile">Parameters for original function</param>
private void CheckNoLinkageItemIsAParameter(LinkageSection node, ParametersProfile profile)
{
if (node == null) return; // no LINKAGE SECTION
var linkage = new List<DataDefinition>();
AddEntries(linkage, node);
foreach(var description in linkage) {
var used = Validate(profile.ReturningParameter, description.Name);
if (used != null) { AddErrorAlreadyParameter(description, description.QualifiedName); continue; }
used = GetParameter(profile.InputParameters, description.Name);
if (used != null) { AddErrorAlreadyParameter(description, description.QualifiedName); continue; }
used = GetParameter(profile.OutputParameters, description.Name);
if (used != null) { AddErrorAlreadyParameter(description, description.QualifiedName); continue; }
used = GetParameter(profile.InoutParameters, description.Name);
if (used != null) { AddErrorAlreadyParameter(description, description.QualifiedName); continue; }
}
}