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id_lookup_walker.h
Go to the documentation of this file.00001 // $Id: id_lookup_walker.h,v 1.8 2003/09/26 15:40:15 toktb Exp $ 00002 // ---------------------------------------------------------------------- 00003 // 00004 // C-Breeze 00005 // C Compiler Framework 00006 // 00007 // Copyright (c) 2000 University of Texas at Austin 00008 // 00009 // Samuel Z. Guyer 00010 // Daniel A. Jimenez 00011 // Calvin Lin 00012 // 00013 // Permission is hereby granted, free of charge, to any person 00014 // obtaining a copy of this software and associated documentation 00015 // files (the "Software"), to deal in the Software without 00016 // restriction, including without limitation the rights to use, copy, 00017 // modify, merge, publish, distribute, sublicense, and/or sell copies 00018 // of the Software, and to permit persons to whom the Software is 00019 // furnished to do so, subject to the following conditions: 00020 // 00021 // The above copyright notice and this permission notice shall be 00022 // included in all copies or substantial portions of the Software. 00023 // 00024 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00025 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00026 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00027 // NONINFRINGEMENT. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT 00028 // AUSTIN BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 00029 // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 00030 // OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00031 // THE SOFTWARE. 00032 // 00033 // We acknowledge the C-to-C Translator from MIT Laboratory for 00034 // Computer Science for inspiring parts of the C-Breeze design. 00035 // 00036 // ---------------------------------------------------------------------- 00037 00038 #ifndef CBZ_ID_LOOKUP_WALKER_H 00039 #define CBZ_ID_LOOKUP_WALKER_H 00040 00041 #include "scope_walker.h" 00042 00046 class id_lookup_walker : public scope_walker 00047 { 00048 public: 00049 00050 // -- Use this interface to access the walker.. 00051 00052 static void fixup(unitNode * u, bool verb); 00053 00054 // -- This interface also returns the walker.. 00055 00056 static id_lookup_walker * fixup_and_return(unitNode * u, bool verb); 00057 00058 private: 00059 00060 bool _verbose; 00061 00062 bool _enum_in_scope; 00063 int _su_in_scope; 00064 00065 void conflict(const Coord & c, const string & msg); 00066 00067 public: 00068 00069 id_lookup_walker(unitNode * u, bool verb); 00070 00071 // -- Put declarations into the symbol table 00072 00073 virtual void at_proc(procNode * the_proc, Order ord); 00074 virtual void at_decl(declNode * the_decl, Order ord); 00075 virtual void at_enum(enumNode * the_enum, Order ord); 00076 virtual void at_sue(sueNode * the_sue, Order ord); 00077 00078 // -- Lookup identifiers in the symbol table 00079 00080 virtual void at_call(callNode * the_call, Order ord); 00081 virtual void at_tdef(tdefNode * the_tdef, Order ord); 00082 virtual void at_id(idNode * the_id, Order ord); 00083 virtual void at_binary(binaryNode * the_binary, Order ord); 00084 }; 00085 00086 00087 #endif // CBZ_ID_LOOKUP_WALKER_H