static void ParseTypeContinue(string[] tokens, ref int index, out CallingConvention callingConvention, out TypeDecl decl, out Action <TypeDecl> continuation, out string name)
{
callingConvention = CallingConvention.Default;
decl = null;
continuation = null;
name = null;
if (Parser.Token(tokens, ref index, "__cdecl"))
{
callingConvention = CallingConvention.CDecl;
}
else if (Parser.Token(tokens, ref index, "__clrcall"))
{
callingConvention = CallingConvention.ClrCall;
}
else if (Parser.Token(tokens, ref index, "__stdcall"))
{
callingConvention = CallingConvention.StdCall;
}
else if (Parser.Token(tokens, ref index, "__fastcall"))
{
callingConvention = CallingConvention.FastCall;
}
else if (Parser.Token(tokens, ref index, "__thiscall"))
{
callingConvention = CallingConvention.ThisCall;
}
else if (Parser.Token(tokens, ref index, "__vectorcall"))
{
callingConvention = CallingConvention.VectorCall;
}
TypeDecl beforeDecl = null;
Action <TypeDecl> beforeContinuation = null;
ParseTypeContinueBeforeName(tokens, ref index, out beforeDecl, out beforeContinuation, out name);
TypeDecl middleDecl = null;
Action <TypeDecl> middleContinuation = null;
if (name == null)
{
int middleIndex = index;
bool recursive = false;
if (Parser.Token(tokens, ref middleIndex, "("))
{
string token = null;
Parser.SkipUntil(tokens, ref middleIndex, out token, ",", ")");
if (token == ")")
{
recursive = tokens[middleIndex] == "(" || tokens[middleIndex] == "[";
}
}
if (recursive)
{
Parser.EnsureToken(tokens, ref index, "(");
var middleCallingConvention = CallingConvention.Default;
ParseTypeContinue(tokens, ref index, out middleCallingConvention, out middleDecl, out middleContinuation, out name);
Parser.EnsureToken(tokens, ref index, ")");
if (middleCallingConvention != CallingConvention.Default)
{
if (callingConvention == CallingConvention.Default)
{
callingConvention = middleCallingConvention;
}
else
{
throw new ArgumentException("Failed to parse.");
}
}
}
}
TypeDecl afterDecl = null;
Action <TypeDecl> afterContinuation = null;
ParseTypeContinueAfterName(tokens, ref index, ref callingConvention, out afterDecl, out afterContinuation);
decl = middleDecl;
continuation = middleContinuation;
if (afterDecl != null)
{
if (decl == null)
{
decl = afterDecl;
}
else
{
continuation(afterDecl);
}
continuation = afterContinuation;
}
if (beforeDecl != null)
{
if (decl == null)
{
decl = beforeDecl;
}
else
{
continuation(beforeDecl);
}
continuation = beforeContinuation;
}
}
internal static void ParseTypeContinueAfterName(string[] tokens, ref int index, ref CallingConvention callingConvention, out TypeDecl decl, out Action <TypeDecl> continuation)
{
decl = null;
continuation = null;
while (true)
{
if (Parser.Token(tokens, ref index, "["))
{
Parser.SkipUntil(tokens, ref index, "]");
var arrayDecl = new ArrayTypeDecl();
if (decl == null)
{
continuation = x => arrayDecl.Element = x;
}
else
{
arrayDecl.Element = decl;
}
decl = arrayDecl;
}
else if (Parser.Token(tokens, ref index, "("))
{
var funcDecl = new FunctionTypeDecl
{
Const = false,
CallingConvention = callingConvention,
Parameters = new List <VarDecl>(),
};
callingConvention = CallingConvention.Default;
if (decl == null)
{
continuation = x => funcDecl.ReturnType = x;
}
else
{
funcDecl.ReturnType = decl;
}
decl = funcDecl;
bool skipParameters = false;
if (Parser.Token(tokens, ref index, "void"))
{
if (Parser.Token(tokens, ref index, ")"))
{
skipParameters = true;
}
else
{
index--;
}
}
if (!skipParameters && !Parser.Token(tokens, ref index, ")"))
{
while (true)
{
string name = null;
var parameterType = EnsureType(tokens, ref index, out name);
funcDecl.Parameters.Add(new VarDecl
{
Static = false,
Name = name,
Type = parameterType,
});
if (Parser.Token(tokens, ref index, "="))
{
Parser.SkipUntilInTemplate(tokens, ref index, ",", ")", ";");
index--;
}
if (Parser.Token(tokens, ref index, ")"))
{
break;
}
Parser.EnsureToken(tokens, ref index, ",");
}
}
while (true)
{
if (Parser.Token(tokens, ref index, "const"))
{
funcDecl.Const = true;
}
else if (Parser.Token(tokens, ref index, "override"))
{
}
else
{
break;
}
}
}
else
{
break;
}
}
}
static bool ParseMiniType(string[] tokens, ref int index, out TypeDecl decl)
{
decl = null;
if (Parser.Token(tokens, ref index, "const"))
{
decl = new DecorateTypeDecl
{
Decoration = Decoration.Const,
Element = EnsureMiniType(tokens, ref index),
};
return(true);
}
else if (Parser.Token(tokens, ref index, "volatile"))
{
decl = new DecorateTypeDecl
{
Decoration = Decoration.Volatile,
Element = EnsureMiniType(tokens, ref index),
};
return(true);
}
else if (Parser.Token(tokens, ref index, "signed"))
{
decl = new DecorateTypeDecl
{
Decoration = Decoration.Signed,
Element = EnsureMiniType(tokens, ref index),
};
return(true);
}
else if (Parser.Token(tokens, ref index, "unsigned"))
{
decl = new DecorateTypeDecl
{
Decoration = Decoration.Unsigned,
Element = EnsureMiniType(tokens, ref index),
};
return(true);
}
else if (Parser.Token(tokens, ref index, "decltype"))
{
Parser.EnsureToken(tokens, ref index, "(");
int oldIndex = index;
Parser.SkipUntil(tokens, ref index, ")");
decl = new DeclTypeDecl
{
Expression = tokens
.Skip(oldIndex)
.Take(index - 1 - oldIndex)
.Aggregate((a, b) => a + " " + b),
};
return(true);
}
else if (Parser.Token(tokens, ref index, "false") || Parser.Token(tokens, ref index, "true"))
{
decl = new ConstantTypeDecl
{
Value = tokens[index - 1],
};
return(true);
}
else
{
if (index < tokens.Length)
{
int value = 0;
if (int.TryParse(tokens[index], out value))
{
index++;
decl = new ConstantTypeDecl
{
Value = tokens[index - 1],
};
return(true);
}
}
string token = null;
Parser.Token(tokens, ref index, "typename");
if (Parser.Id(tokens, ref index, out token))
{
decl = new RefTypeDecl
{
Name = token,
};
if (token != "operator")
{
while (true)
{
if (Parser.Token(tokens, ref index, "<"))
{
var genericDecl = new GenericTypeDecl
{
Element = decl,
TypeArguments = new List <TypeDecl>(),
};
decl = genericDecl;
if (!Parser.Token(tokens, ref index, ">"))
{
while (true)
{
genericDecl.TypeArguments.Add(EnsureTypeWithoutName(tokens, ref index));
if (Parser.Token(tokens, ref index, ">"))
{
break;
}
else
{
Parser.EnsureToken(tokens, ref index, ",");
}
}
}
}
else if (Parser.Token(tokens, ref index, ":"))
{
Parser.EnsureToken(tokens, ref index, ":");
Parser.Token(tokens, ref index, "template");
if (Parser.Id(tokens, ref index, out token))
{
decl = new SubTypeDecl
{
Parent = decl,
Name = token,
};
}
else
{
index -= 2;
break;
}
}
else
{
break;
}
}
}
return(true);
}
else
{
return(false);
}
}
}
static void ParseTypeContinueBeforeName(string[] tokens, ref int index, out TypeDecl decl, out Action <TypeDecl> continuation, out string name)
{
decl = null;
continuation = null;
name = null;
while (true)
{
Decoration?decoration = null;
if (Parser.Token(tokens, ref index, "const"))
{
decoration = Decoration.Const;
}
else if (Parser.Token(tokens, ref index, "volatile"))
{
decoration = Decoration.Volatile;
}
else if (Parser.Token(tokens, ref index, "*"))
{
decoration = Decoration.Pointer;
}
else if (Parser.Token(tokens, ref index, "&"))
{
decoration = Decoration.LeftRef;
}
else if (Parser.Token(tokens, ref index, "&&"))
{
decoration = Decoration.RightRef;
}
else if (Parser.Token(tokens, ref index, "."))
{
Parser.EnsureToken(tokens, ref index, ".");
Parser.EnsureToken(tokens, ref index, ".");
var vaDecl = new VariadicArgumentTypeDecl
{
};
if (decl == null)
{
continuation = x => vaDecl.Element = x;
}
else
{
vaDecl.Element = decl;
}
decl = vaDecl;
}
else
{
TypeDecl classType = null;
if (ParseMiniType(tokens, ref index, out classType))
{
if (Parser.Token(tokens, ref index, ":"))
{
Parser.EnsureToken(tokens, ref index, ":");
var classMemberTypeDecl = new ClassMemberTypeDecl
{
ClassType = classType,
};
if (decl == null)
{
continuation = x => classMemberTypeDecl.Element = x;
}
else
{
classMemberTypeDecl.Element = decl;
}
decl = classMemberTypeDecl;
}
else
{
var subType = classType as SubTypeDecl;
var refType = classType as RefTypeDecl;
if (subType != null)
{
name = subType.Name;
var classMemberTypeDecl = new ClassMemberTypeDecl
{
ClassType = subType.Parent,
};
if (decl == null)
{
continuation = x => classMemberTypeDecl.Element = x;
}
else
{
classMemberTypeDecl.Element = decl;
}
decl = classMemberTypeDecl;
}
else if (refType != null)
{
name = refType.Name;
}
else
{
throw new ArgumentException("Failed to parse.");
}
if (name == "operator")
{
if (tokens[index + 1] == "(")
{
name += " " + tokens[index];
index += 1;
}
else if (tokens[index + 2] == "(")
{
name += " " + tokens[index] + tokens[index + 1];
index += 2;
}
else
{
throw new ArgumentException("Failed to parse.");
}
}
break;
}
}
else
{
break;
}
}
if (decoration != null)
{
var decorateDecl = new DecorateTypeDecl
{
Decoration = decoration.Value,
};
if (decl == null)
{
continuation = x => decorateDecl.Element = x;
}
else
{
decorateDecl.Element = decl;
}
decl = decorateDecl;
}
}
}
static SymbolDecl[] ParseSymbol(string[] tokens, ref int index)
{
while (index < tokens.Length && tokens[index].Length >= 3 && tokens[index].StartsWith("///"))
{
index++;
}
if (Parser.Token(tokens, ref index, "public") || Parser.Token(tokens, ref index, "protected") || Parser.Token(tokens, ref index, "private"))
{
index--;
return(null);
}
TemplateDecl templateDecl = null;
if (Parser.Token(tokens, ref index, "template"))
{
templateDecl = new TemplateDecl
{
TypeParameters = new List <string>(),
Specialization = new List <TypeDecl>(),
};
Parser.EnsureToken(tokens, ref index, "<");
if (!Parser.Token(tokens, ref index, ">"))
{
while (true)
{
string token = null;
Parser.SkipUntilInTemplate(tokens, ref index, out token, ",", ">", "=");
index -= 2;
templateDecl.TypeParameters.Add(Parser.EnsureId(tokens, ref index));
index++;
if (token == "=")
{
Parser.SkipUntilInTemplate(tokens, ref index, out token, ",", ">");
}
if (token == ">")
{
break;
}
}
}
}
if (Parser.Token(tokens, ref index, "friend"))
{
int oldIndex = index - 1;
string token = null;
Parser.SkipUntil(tokens, ref index, out token, ";", "{");
if (token == ";")
{
return(null);
}
else
{
index = oldIndex;
tokens[index] = "static";
}
}
if (Parser.Token(tokens, ref index, "namespace"))
{
if (templateDecl != null)
{
throw new ArgumentException("Failed to parse.");
}
var decl = new NamespaceDecl();
decl.Name = Parser.EnsureId(tokens, ref index);
Parser.EnsureToken(tokens, ref index, "{");
ParseSymbols(tokens, ref index, decl);
Parser.EnsureToken(tokens, ref index, "}");
return(new SymbolDecl[] { decl });
}
else if (Parser.Token(tokens, ref index, "using"))
{
if (Parser.Token(tokens, ref index, "namespace"))
{
if (templateDecl != null)
{
throw new ArgumentException("Failed to parse.");
}
var decl = new UsingNamespaceDecl();
decl.Path = new List <string>();
decl.Path.Add(Parser.EnsureId(tokens, ref index));
while (!Parser.Token(tokens, ref index, ";"))
{
Parser.EnsureToken(tokens, ref index, ":");
Parser.EnsureToken(tokens, ref index, ":");
decl.Path.Add(Parser.EnsureId(tokens, ref index));
}
return(new SymbolDecl[] { decl });
}
else
{
string name = null;
if (Parser.Id(tokens, ref index, out name))
{
if (templateDecl != null)
{
if (Parser.Token(tokens, ref index, "<"))
{
while (true)
{
templateDecl.Specialization.Add(TypeDecl.EnsureTypeWithoutName(tokens, ref index));
if (Parser.Token(tokens, ref index, ">"))
{
break;
}
Parser.EnsureToken(tokens, ref index, ",");
}
}
}
if (Parser.Token(tokens, ref index, "="))
{
SymbolDecl decl = new TypedefDecl
{
Name = name,
Type = TypeDecl.EnsureTypeWithoutName(tokens, ref index),
};
Parser.EnsureToken(tokens, ref index, ";");
if (templateDecl != null)
{
templateDecl.Element = decl;
decl = templateDecl;
}
return(new SymbolDecl[] { decl });
}
}
if (templateDecl != null)
{
throw new ArgumentException("Failed to parse.");
}
Parser.SkipUntil(tokens, ref index, ";");
}
}
else if (Parser.Token(tokens, ref index, "typedef"))
{
if (templateDecl != null)
{
throw new ArgumentException("Failed to parse.");
}
string name = null;
var type = TypeDecl.EnsureTypeWithName(tokens, ref index, out name);
Parser.EnsureToken(tokens, ref index, ";");
var decl = new TypedefDecl();
decl.Name = name;
decl.Type = type;
return(new SymbolDecl[] { decl });
}
else if (Parser.Token(tokens, ref index, "enum"))
{
if (templateDecl != null)
{
throw new ArgumentException("Failed to parse.");
}
Parser.Token(tokens, ref index, "class");
string name = Parser.EnsureId(tokens, ref index);
if (Parser.Token(tokens, ref index, ":"))
{
TypeDecl.EnsureTypeWithoutName(tokens, ref index);
}
if (!Parser.Token(tokens, ref index, ";"))
{
Parser.EnsureToken(tokens, ref index, "{");
var decl = new EnumDecl
{
Name = name,
Children = new List <SymbolDecl>(),
};
while (true)
{
if (Parser.Token(tokens, ref index, "}"))
{
break;
}
while (index < tokens.Length && tokens[index].Length >= 3 && tokens[index].StartsWith("///"))
{
index++;
}
decl.Children.Add(new EnumItemDecl
{
Name = Parser.EnsureId(tokens, ref index),
});
string token = null;
Parser.SkipUntil(tokens, ref index, out token, ",", "}");
if (token == "}")
{
break;
}
}
if (Parser.Id(tokens, ref index, out name))
{
var varDecl = new VarDecl
{
Static = false,
Name = name,
Type = new RefTypeDecl
{
Name = decl.Name,
},
};
Parser.EnsureToken(tokens, ref index, ";");
return(new SymbolDecl[] { decl, varDecl });
}
else
{
Parser.EnsureToken(tokens, ref index, ";");
return(new SymbolDecl[] { decl });
}
}
}
else if (Parser.Token(tokens, ref index, "struct") || Parser.Token(tokens, ref index, "class") || Parser.Token(tokens, ref index, "union"))
{
if (Parser.Token(tokens, ref index, "{"))
{
if (tokens[index - 2] == "class")
{
throw new ArgumentException("Failed to parse.");
}
var decl = new GroupedFieldDecl
{
Grouping = tokens[index - 2] == "struct" ? Grouping.Struct : Grouping.Union,
};
ParseSymbols(tokens, ref index, decl);
Parser.EnsureToken(tokens, ref index, "}");
Parser.EnsureToken(tokens, ref index, ";");
return(new SymbolDecl[] { decl });
}
else
{
string name = Parser.EnsureId(tokens, ref index);
if (!Parser.Token(tokens, ref index, ";"))
{
var classDecl = new ClassDecl
{
ClassType =
tokens[index - 2] == "struct" ? ClassType.Struct :
tokens[index - 2] == "class" ? ClassType.Class :
ClassType.Union,
BaseTypes = new List <BaseTypeDecl>(),
Name = name,
};
if (templateDecl != null)
{
if (Parser.Token(tokens, ref index, "<"))
{
if (!Parser.Token(tokens, ref index, ">"))
{
while (true)
{
int oldIndex = index;
try
{
templateDecl.Specialization.Add(TypeDecl.EnsureTypeWithoutName(tokens, ref index));
}
catch (ArgumentException)
{
index = oldIndex;
Parser.SkipUntilInTemplate(tokens, ref index, ",", ">");
index--;
templateDecl.Specialization.Add(new ConstantTypeDecl
{
Value = tokens
.Skip(oldIndex)
.Take(index - oldIndex)
.Aggregate((a, b) => a + " " + b),
});
}
if (Parser.Token(tokens, ref index, ">"))
{
break;
}
Parser.EnsureToken(tokens, ref index, ",");
}
}
}
}
Parser.Token(tokens, ref index, "abstract");
if (Parser.Token(tokens, ref index, ":"))
{
while (true)
{
Access access = classDecl.ClassType == ClassType.Class ? Access.Private : Access.Public;
Parser.Token(tokens, ref index, "virtual");
if (Parser.Token(tokens, ref index, "private"))
{
access = Access.Private;
}
else if (Parser.Token(tokens, ref index, "protected"))
{
access = Access.Protected;
}
else if (Parser.Token(tokens, ref index, "public"))
{
access = Access.Public;
}
Parser.Token(tokens, ref index, "virtual");
classDecl.BaseTypes.Add(new BaseTypeDecl
{
Access = access,
Type = TypeDecl.EnsureTypeWithoutName(tokens, ref index),
});
if (!Parser.Token(tokens, ref index, ","))
{
break;
}
}
}
Parser.EnsureToken(tokens, ref index, "{");
while (true)
{
if (Parser.Token(tokens, ref index, "}"))
{
break;
}
Access access = classDecl.ClassType == ClassType.Class ? Access.Private : Access.Public;
if (Parser.Token(tokens, ref index, "private"))
{
access = Access.Private;
Parser.EnsureToken(tokens, ref index, ":");
}
else if (Parser.Token(tokens, ref index, "protected"))
{
access = Access.Protected;
Parser.EnsureToken(tokens, ref index, ":");
}
else if (Parser.Token(tokens, ref index, "public"))
{
access = Access.Public;
Parser.EnsureToken(tokens, ref index, ":");
}
ParseSymbols(tokens, ref index, classDecl, access);
}
SymbolDecl decl = classDecl;
if (templateDecl != null)
{
templateDecl.Element = decl;
decl = templateDecl;
}
if (Parser.Id(tokens, ref index, out name))
{
var varDecl = new VarDecl
{
Static = false,
Name = name,
Type = new RefTypeDecl
{
Name = classDecl.Name,
},
};
Parser.EnsureToken(tokens, ref index, ";");
return(new SymbolDecl[] { decl, varDecl });
}
else
{
Parser.EnsureToken(tokens, ref index, ";");
return(new SymbolDecl[] { decl });
}
}
}
}
else if (!Parser.Token(tokens, ref index, ";"))
{
Function function = Function.Function;
{
int oldIndex = index;
string name = null;
if (Parser.Id(tokens, ref index, out name))
{
if (Parser.Token(tokens, ref index, "("))
{
Parser.SkipUntil(tokens, ref index, ")");
if (Parser.Token(tokens, ref index, ";") || Parser.Token(tokens, ref index, "=") || Parser.Token(tokens, ref index, ":") || Parser.Token(tokens, ref index, "{"))
{
function = Function.Constructor;
}
}
index = oldIndex;
}
else if (Parser.Token(tokens, ref index, "~"))
{
function = Function.Destructor;
}
}
if (function == Function.Function)
{
Virtual virtualFunction = Virtual.Normal;
Parser.Token(tokens, ref index, "extern");
Parser.Token(tokens, ref index, "mutable");
if (Parser.Token(tokens, ref index, "virtual"))
{
virtualFunction = Virtual.Virtual;
}
else if (Parser.Token(tokens, ref index, "static"))
{
virtualFunction = Virtual.Static;
}
Parser.Token(tokens, ref index, "inline");
Parser.Token(tokens, ref index, "__forceinline");
if (Parser.Token(tokens, ref index, "operator"))
{
TypeDecl returnType = null;
{
int oldIndex = index;
Parser.SkipUntilInTemplate(tokens, ref index, "(");
int modify = --index;
tokens[modify] = "$";
index = oldIndex;
returnType = TypeDecl.EnsureTypeWithoutName(tokens, ref index);
if (index != modify)
{
throw new ArgumentException("Failed to parse.");
}
tokens[modify] = "(";
}
var decl = new FuncDecl
{
Virtual = global::Parser.Virtual.Normal,
Name = "operator",
Function = function,
};
TypeDecl functionType = null;
Action <TypeDecl> continuation = null;
CallingConvention callingConvention = CallingConvention.Default;
TypeDecl.ParseTypeContinueAfterName(tokens, ref index, ref callingConvention, out functionType, out continuation);
continuation(returnType);
decl.Type = functionType;
if (!Parser.Token(tokens, ref index, ";"))
{
Parser.EnsureToken(tokens, ref index, "{");
Parser.SkipUntil(tokens, ref index, "}");
}
if (templateDecl != null)
{
templateDecl.Element = decl;
return(new SymbolDecl[] { templateDecl });
}
else
{
return(new SymbolDecl[] { decl });
}
}
else
{
string name = null;
TypeDecl type = null;
if (TypeDecl.ParseType(tokens, ref index, out type, out name))
{
if (name == null)
{
throw new ArgumentException("Failed to parse.");
}
if (type is FunctionTypeDecl)
{
if (Parser.Token(tokens, ref index, "="))
{
if (Parser.Token(tokens, ref index, "0"))
{
virtualFunction = Virtual.Abstract;
}
else
{
Parser.EnsureToken(tokens, ref index, "default", "delete");
}
}
var decl = new FuncDecl
{
Virtual = virtualFunction,
Name = name,
Type = type,
Function = Function.Function,
};
if (!Parser.Token(tokens, ref index, ";"))
{
Parser.EnsureToken(tokens, ref index, "{");
Parser.SkipUntil(tokens, ref index, "}");
}
if (templateDecl != null)
{
templateDecl.Element = decl;
return(new SymbolDecl[] { templateDecl });
}
else
{
return(new SymbolDecl[] { decl });
}
}
else
{
if (virtualFunction != Virtual.Normal && virtualFunction != Virtual.Static)
{
throw new ArgumentException("Failed to parse.");
}
if (Parser.Token(tokens, ref index, "="))
{
Parser.SkipUntil(tokens, ref index, ";");
}
else
{
Parser.EnsureToken(tokens, ref index, ";");
}
var decl = new VarDecl
{
Static = virtualFunction == Virtual.Static,
Name = name,
Type = type,
};
return(new SymbolDecl[] { decl });
}
}
}
}
else
{
var decl = new FuncDecl
{
Virtual = global::Parser.Virtual.Normal,
Name = (function == Function.Constructor ? "" : "~") + Parser.EnsureId(tokens, ref index),
Function = function,
};
TypeDecl functionType = null;
Action <TypeDecl> continuation = null;
CallingConvention callingConvention = CallingConvention.Default;
TypeDecl.ParseTypeContinueAfterName(tokens, ref index, ref callingConvention, out functionType, out continuation);
continuation(new RefTypeDecl
{
Name = "void"
});
decl.Type = functionType;
if (Parser.Token(tokens, ref index, "="))
{
Parser.EnsureToken(tokens, ref index, "default", "delete");
}
if (!Parser.Token(tokens, ref index, ";"))
{
if (Parser.Token(tokens, ref index, ":"))
{
Parser.SkipUntil(tokens, ref index, "{");
}
else
{
Parser.EnsureToken(tokens, ref index, "{");
}
Parser.SkipUntil(tokens, ref index, "}");
}
return(new SymbolDecl[] { decl });
}
}
return(null);
}