public void CompileProduction(GrammarSymbol production)
{
Debug.Assert(production.Kind == SymbolKind.Production);
GrammarSymbol decl = production[0];
Debug.Assert(decl.Kind == SymbolKind.ProductionDecl);
if (decl.FirstToken != production.FirstToken)
{
// Honestly I don't know why "fragment" productions are even
// in the grammar if they're not supposed to be produced; but this is what
// the original MSR code did and we need to parse their grammar files.
Debug.Assert(production.FirstToken.GetText() == "fragment");
return;
}
string productionName = decl.GetLogicalText();
if (s_basicBuiltinTypes.Any(type => type.G4DeclaredName == productionName))
{
// Builtins don't matter in the grammar.
return;
}
GrammarSymbol productionIs = production[1];
switch (productionIs.Kind)
{
case SymbolKind.String:
this.CompileEnumValueType(decl, productionIs.FirstToken);
break;
case SymbolKind.Identifier:
case SymbolKind.ZeroOrMoreQuantifier:
case SymbolKind.OneOrMoreQuantifier:
case SymbolKind.ZeroOrOneQuantifier:
this.CompileStandardType(decl, ImmutableArray.Create(productionIs));
break;
case SymbolKind.Group:
this.CompileStandardType(decl, productionIs.Children);
break;
case SymbolKind.Alternation:
if (productionIs.Children.All(child => child.Kind == SymbolKind.String))
{
this.CompileEnumValueType(decl, productionIs.Children);
break;
}
else if (productionIs.Children.All(child => child.Kind == SymbolKind.Identifier))
{
this.CompileBaseType(decl, productionIs.Children);
break;
}
goto default;
default:
throw new G4ParseFailureException(production.GetLocation(), Strings.UnrecognizedDataModel, productionName);
}
}
private static GrammarSymbol GetDeclaringIdentifierSymbol(GrammarSymbol currentSymbol, string productionName)
{
GrammarSymbol declSymbol;
switch (currentSymbol.Kind)
{
case SymbolKind.ZeroOrOneQuantifier:
case SymbolKind.ZeroOrMoreQuantifier:
case SymbolKind.OneOrMoreQuantifier:
declSymbol = currentSymbol[0];
break;
case SymbolKind.Identifier:
declSymbol = currentSymbol;
break;
default:
declSymbol = GrammarSymbol.Empty;
break;
}
if (declSymbol.Kind != SymbolKind.Identifier)
{
throw new G4ParseFailureException(currentSymbol.GetLocation(), Strings.UnrecognizedDataModel, productionName);
}
return(declSymbol);
}
private void CompileStandardType(GrammarSymbol decl, ImmutableArray <GrammarSymbol> groupList)
{
var result = new DataModelLeafTypeBuilder(decl);
int idx = 0;
while (idx < groupList.Length)
{
List <string> staticStrings = GetStringValuesAfter(groupList, idx);
foreach (string staticString in staticStrings)
{
result.ToStringEntries.Add(new ToStringEntry(staticString, null));
}
idx += staticStrings.Count;
if (idx >= groupList.Length)
{
break;
}
GrammarSymbol currentSymbol = groupList[idx];
GrammarSymbol memberDeclSymbol = GetDeclaringIdentifierSymbol(currentSymbol, result.G4DeclaredName);
GrammarSymbol lookAheadSymbol = GetSymbolOrEmpty(groupList, idx + 1);
// Check for patterns:
if (MatchesDelimitedCollectionPattern(currentSymbol, memberDeclSymbol, lookAheadSymbol))
{
// x ('delimiter' x)*
string delimeter = lookAheadSymbol[0][0].GetLogicalText();
result.AddMember(memberDeclSymbol, 1, currentSymbol.Kind == SymbolKind.Identifier, delimeter);
idx += 2;
continue;
}
int rank;
bool required;
switch (currentSymbol.Kind)
{
case SymbolKind.Identifier:
// x
rank = 0;
required = true;
break;
case SymbolKind.ZeroOrOneQuantifier:
// x?
rank = 0;
required = false;
break;
case SymbolKind.ZeroOrMoreQuantifier:
// x*
rank = 1;
required = false;
break;
case SymbolKind.OneOrMoreQuantifier:
// x+
rank = 1;
required = true;
break;
default:
throw new G4ParseFailureException(currentSymbol.GetLocation(), Strings.UnrecognizedDataModel, result.G4DeclaredName);
}
++idx;
result.AddMember(memberDeclSymbol, rank, required);
}
this.AddCompiledType(result);
}
internal void AddMember(GrammarSymbol declSymbol, int rank, bool required, string delimeter = null)
{
string declaredName = declSymbol.GetLogicalText();
string annotationName = declSymbol.Annotations.GetAnnotationValue("name");
string pattern = declSymbol.Annotations.GetAnnotationValue("pattern");
string minimum = declSymbol.Annotations.GetAnnotationValue("minimum");
string minItems = declSymbol.Annotations.GetAnnotationValue("minItems");
string uniqueItems = declSymbol.Annotations.GetAnnotationValue("uniqueItems");
string defaultValue = declSymbol.Annotations.GetAnnotationValue("default");
string cSharpName = annotationName ?? LinguisticTransformer.ToCSharpName(declaredName);
string serializedName = declSymbol.Annotations.GetAnnotationValue("serializedName");
if (serializedName == null)
{
serializedName = LinguisticTransformer.ToJsonName(cSharpName);
}
if (serializedName == null)
{
serializedName = LinguisticTransformer.ToJsonName(declaredName);
}
string argumentName = declSymbol.Annotations.GetAnnotationValue("argumentName");
if (argumentName == null)
{
if (annotationName == null)
{
argumentName = LinguisticTransformer.ToArgumentName(declaredName);
}
else
{
argumentName = LinguisticTransformer.ToArgumentName(annotationName);
}
}
foreach (DataModelMember existingMember in this.Members)
{
if (existingMember.CSharpName == cSharpName)
{
throw new G4ParseFailureException(declSymbol.GetLocation(), Strings.DuplicateCSharpMemberName, cSharpName);
}
if (existingMember.SerializedName == serializedName)
{
throw new G4ParseFailureException(declSymbol.GetLocation(), Strings.DuplicateJsonMemberName, serializedName);
}
if (existingMember.ArgumentName == argumentName)
{
throw new G4ParseFailureException(declSymbol.GetLocation(), Strings.DuplicateArgumentName, argumentName);
}
}
DataModelMember newMember = new DataModelMember(
declaredName,
cSharpName,
serializedName,
declSymbol.Annotations.GetAnnotationValue("summary"),
argumentName,
pattern,
minimum,
minItems,
uniqueItems,
defaultValue,
rank,
required
);
this.Members.Add(newMember);
this.ToStringEntries.Add(new ToStringEntry(delimeter, newMember));
}