MacroInfo.h revision cf29e0716bb3ecbbc15b74cd648367d6b075fdf0
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- MacroInfo.h - Information about #defined identifiers ---*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the MacroInfo interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_MACROINFO_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_MACROINFO_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17d217773f106856a11879ec79dc468efefaf2ee75Chris Lattner#include "clang/Lex/Token.h" 18f46f68b5587b6933a92260220567ea7c36924a80Chris Lattner#include "llvm/ADT/SmallVector.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 209dc62f044a6ba21f503bd56607d94b32704e7945Chris Lattner#include <cassert> 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Preprocessor; 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MacroInfo - Each identifier that is #define'd has an instance of this class 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// associated with it, used to implement macro expansion. 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MacroInfo { 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // State set when the macro is defined. 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Location - This is the place the macro is defined. 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Location; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Arguments - The list of arguments for a function-like macro. This can be 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// empty, for, e.g. "#define X()". In a C99-style variadic macro, this 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// includes the __VA_ARGS__ identifier on the list. 3725c9648909193d380a4e135d2e3d25394ba12922Chris Lattner IdentifierInfo **ArgumentList; 3825c9648909193d380a4e135d2e3d25394ba12922Chris Lattner unsigned NumArguments; 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ReplacementTokens - This is the list of tokens that the macro is defined 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// to. 42d217773f106856a11879ec79dc468efefaf2ee75Chris Lattner llvm::SmallVector<Token, 8> ReplacementTokens; 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// IsFunctionLike - True if this macro is a function-like macro, false if it 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// is an object-like macro. 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsFunctionLike : 1; 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// IsC99Varargs - True if this macro is of the form "#define X(...)" or 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// "#define X(Y,Z,...)". The __VA_ARGS__ token should be replaced with the 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// contents of "..." in an invocation. 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsC99Varargs : 1; 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// IsGNUVarargs - True if this macro is of the form "#define X(a...)". The 5412fe558612303cb2188c321a77a21f7df23b6ae8Chris Lattner /// "a" identifier in the replacement list will be replaced with all arguments 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the macro starting with the specified one. 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsGNUVarargs : 1; 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// IsBuiltinMacro - True if this is a builtin macro, such as __LINE__, and if 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// it has not yet been redefined or undefined. 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsBuiltinMacro : 1; 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // State that changes as the macro is used. 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// IsDisabled - True if we have started an expansion of this macro already. 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// This disbles recursive expansion, which would be quite bad for things like 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// #define A A. 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsDisabled : 1; 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// IsUsed - True if this macro is either defined in the main file and has 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// been used, or if it is not defined in the main file. This is used to 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// emit -Wunused-macros diagnostics. 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsUsed : 1; 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7625c9648909193d380a4e135d2e3d25394ba12922Chris Lattner ~MacroInfo() { 770301b3ff132a4d986c092d161cb77d74b04cd2a6Chris Lattner assert(ArgumentList == 0 && "Didn't call destroy before dtor!"); 780301b3ff132a4d986c092d161cb77d74b04cd2a6Chris Lattner } 790301b3ff132a4d986c092d161cb77d74b04cd2a6Chris Lattner 80cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattnerpublic: 81cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner MacroInfo(SourceLocation DefLoc); 82cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner 83cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner /// FreeArgumentList - Free the argument list of the macro, restoring it to a 84cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner /// state where it can be reused for other devious purposes. 85cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner void FreeArgumentList() { 8625c9648909193d380a4e135d2e3d25394ba12922Chris Lattner delete[] ArgumentList; 870301b3ff132a4d986c092d161cb77d74b04cd2a6Chris Lattner ArgumentList = 0; 88cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner NumArguments = 0; 89cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner } 90cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner 91cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner /// Destroy - destroy this MacroInfo object. 92cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner void Destroy() { 93cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner FreeArgumentList(); 94cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner this->~MacroInfo(); 9525c9648909193d380a4e135d2e3d25394ba12922Chris Lattner } 9625c9648909193d380a4e135d2e3d25394ba12922Chris Lattner 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getDefinitionLoc - Return the location that the macro was defined at. 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getDefinitionLoc() const { return Location; } 1005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIdenticalTo - Return true if the specified macro definition is equal to 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this macro in spelling, arguments, and whitespace. This is used to emit 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// duplicate definition warnings. This implements the rules in C99 6.10.3. 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIdenticalTo(const MacroInfo &Other, Preprocessor &PP) const; 1055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// setIsBuiltinMacro - Set or clear the isBuiltinMacro flag. 1075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIsBuiltinMacro(bool Val = true) { 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IsBuiltinMacro = Val; 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// setIsUsed - Set the value of the IsUsed flag. 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIsUsed(bool Val) { 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IsUsed = Val; 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11825c9648909193d380a4e135d2e3d25394ba12922Chris Lattner /// setArgumentList - Set the specified list of identifiers as the argument 11925c9648909193d380a4e135d2e3d25394ba12922Chris Lattner /// list for this macro. 120cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner void setArgumentList(IdentifierInfo* const *List, unsigned NumArgs) { 121cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner assert(ArgumentList == 0 && NumArguments == 0 && 122cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner "Argument list already set!"); 12325c9648909193d380a4e135d2e3d25394ba12922Chris Lattner if (NumArgs == 0) return; 124cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner 12525c9648909193d380a4e135d2e3d25394ba12922Chris Lattner NumArguments = NumArgs; 12625c9648909193d380a4e135d2e3d25394ba12922Chris Lattner ArgumentList = new IdentifierInfo*[NumArgs]; 127cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner for (unsigned i = 0; i != NumArgs; ++i) 128cf29e0716bb3ecbbc15b74cd648367d6b075fdf0Chris Lattner ArgumentList[i] = List[i]; 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13125c9648909193d380a4e135d2e3d25394ba12922Chris Lattner /// Arguments - The list of arguments for a function-like macro. This can be 13225c9648909193d380a4e135d2e3d25394ba12922Chris Lattner /// empty, for, e.g. "#define X()". 13325c9648909193d380a4e135d2e3d25394ba12922Chris Lattner typedef IdentifierInfo* const *arg_iterator; 134f73903a1ded46748e1dfda151f5d037b7b3d31f9Chris Lattner bool arg_empty() const { return NumArguments == 0; } 13525c9648909193d380a4e135d2e3d25394ba12922Chris Lattner arg_iterator arg_begin() const { return ArgumentList; } 13625c9648909193d380a4e135d2e3d25394ba12922Chris Lattner arg_iterator arg_end() const { return ArgumentList+NumArguments; } 13725c9648909193d380a4e135d2e3d25394ba12922Chris Lattner unsigned getNumArgs() const { return NumArguments; } 13825c9648909193d380a4e135d2e3d25394ba12922Chris Lattner 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArgumentNum - Return the argument number of the specified identifier, 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// or -1 if the identifier is not a formal argument identifier. 14125c9648909193d380a4e135d2e3d25394ba12922Chris Lattner int getArgumentNum(IdentifierInfo *Arg) const { 14225c9648909193d380a4e135d2e3d25394ba12922Chris Lattner for (arg_iterator I = arg_begin(), E = arg_end(); I != E; ++I) 14325c9648909193d380a4e135d2e3d25394ba12922Chris Lattner if (*I == Arg) return I-arg_begin(); 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return -1; 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Function/Object-likeness. Keep track of whether this macro has formal 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// parameters. 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIsFunctionLike() { IsFunctionLike = true; } 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFunctionLike() const { return IsFunctionLike; } 1515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isObjectLike() const { return !IsFunctionLike; } 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Varargs querying methods. This can only be set for function-like macros. 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIsC99Varargs() { IsC99Varargs = true; } 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIsGNUVarargs() { IsGNUVarargs = true; } 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isC99Varargs() const { return IsC99Varargs; } 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isGNUVarargs() const { return IsGNUVarargs; } 1585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isVariadic() const { return IsC99Varargs | IsGNUVarargs; } 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isBuiltinMacro - Return true if this macro is a builtin macro, such as 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// __LINE__, which requires processing before expansion. 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBuiltinMacro() const { return IsBuiltinMacro; } 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUsed - Return false if this macro is defined in the main file and has 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// not yet been used. 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUsed() const { return IsUsed; } 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumTokens - Return the number of tokens that this macro expands to. 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumTokens() const { 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return ReplacementTokens.size(); 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 174d217773f106856a11879ec79dc468efefaf2ee75Chris Lattner const Token &getReplacementToken(unsigned Tok) const { 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Tok < ReplacementTokens.size() && "Invalid token #"); 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return ReplacementTokens[Tok]; 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 179d217773f106856a11879ec79dc468efefaf2ee75Chris Lattner typedef llvm::SmallVector<Token, 8>::const_iterator tokens_iterator; 180c215bd659d8266a1d6b66ce231a63405a4c61dafChris Lattner tokens_iterator tokens_begin() const { return ReplacementTokens.begin(); } 181c215bd659d8266a1d6b66ce231a63405a4c61dafChris Lattner tokens_iterator tokens_end() const { return ReplacementTokens.end(); } 182f73903a1ded46748e1dfda151f5d037b7b3d31f9Chris Lattner bool tokens_empty() const { return ReplacementTokens.empty(); } 183c215bd659d8266a1d6b66ce231a63405a4c61dafChris Lattner 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// AddTokenToBody - Add the specified token to the replacement text for the 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// macro. 186d217773f106856a11879ec79dc468efefaf2ee75Chris Lattner void AddTokenToBody(const Token &Tok) { 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ReplacementTokens.push_back(Tok); 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isEnabled - Return true if this macro is enabled: in other words, that we 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// are not currently in an expansion of this macro. 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEnabled() const { return !IsDisabled; } 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EnableMacro() { 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(IsDisabled && "Cannot enable an already-enabled macro!"); 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IsDisabled = false; 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void DisableMacro() { 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!IsDisabled && "Cannot disable an already-disabled macro!"); 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IsDisabled = true; 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 208