1 /****************************************************************************\ 2 Copyright (c) 2002, NVIDIA Corporation. 3 4 NVIDIA Corporation("NVIDIA") supplies this software to you in 5 consideration of your agreement to the following terms, and your use, 6 installation, modification or redistribution of this NVIDIA software 7 constitutes acceptance of these terms. If you do not agree with these 8 terms, please do not use, install, modify or redistribute this NVIDIA 9 software. 10 11 In consideration of your agreement to abide by the following terms, and 12 subject to these terms, NVIDIA grants you a personal, non-exclusive 13 license, under NVIDIA's copyrights in this original NVIDIA software (the 14 "NVIDIA Software"), to use, reproduce, modify and redistribute the 15 NVIDIA Software, with or without modifications, in source and/or binary 16 forms; provided that if you redistribute the NVIDIA Software, you must 17 retain the copyright notice of NVIDIA, this notice and the following 18 text and disclaimers in all such redistributions of the NVIDIA Software. 19 Neither the name, trademarks, service marks nor logos of NVIDIA 20 Corporation may be used to endorse or promote products derived from the 21 NVIDIA Software without specific prior written permission from NVIDIA. 22 Except as expressly stated in this notice, no other rights or licenses 23 express or implied, are granted by NVIDIA herein, including but not 24 limited to any patent rights that may be infringed by your derivative 25 works or by other works in which the NVIDIA Software may be 26 incorporated. No hardware is licensed hereunder. 27 28 THE NVIDIA SOFTWARE IS BEING PROVIDED ON AN "AS IS" BASIS, WITHOUT 29 WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, 30 INCLUDING WITHOUT LIMITATION, WARRANTIES OR CONDITIONS OF TITLE, 31 NON-INFRINGEMENT, MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR 32 ITS USE AND OPERATION EITHER ALONE OR IN COMBINATION WITH OTHER 33 PRODUCTS. 34 35 IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY SPECIAL, INDIRECT, 36 INCIDENTAL, EXEMPLARY, CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 37 TO, LOST PROFITS; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 38 USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) OR ARISING IN ANY WAY 39 OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE 40 NVIDIA SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, 41 TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF 42 NVIDIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 43 \****************************************************************************/ 44 // 45 // symbols.h 46 // 47 48 #if !defined(__SYMBOLS_H) 49 #define __SYMBOLS_H 1 50 51 #include "compiler/preprocessor/memory.h" 52 53 typedef enum symbolkind { 54 MACRO_S 55 } symbolkind; 56 57 // Typedefs for things defined here in "symbols.h": 58 59 typedef struct Scope_Rec Scope; 60 typedef struct Symbol_Rec Symbol; 61 62 typedef struct SymbolList_Rec { 63 struct SymbolList_Rec *next; 64 Symbol *symb; 65 } SymbolList; 66 67 struct Scope_Rec { 68 Scope *next, *prev; // doubly-linked list of all scopes 69 Scope *parent; 70 Scope *funScope; // Points to base scope of enclosing function 71 MemoryPool *pool; // pool used for allocation in this scope 72 Symbol *symbols; 73 74 int level; // 0 = super globals, 1 = globals, etc. 75 76 // Only used at global scope (level 1): 77 SymbolList *programs; // List of programs for this compilation. 78 }; 79 80 81 // Symbol table is a simple binary tree. 82 83 #include "compiler/preprocessor/cpp.h" // to get MacroSymbol def 84 85 struct Symbol_Rec { 86 Symbol *left, *right; 87 Symbol *next; 88 int name; // Name atom 89 SourceLoc loc; 90 symbolkind kind; 91 union { 92 MacroSymbol mac; 93 } details; 94 }; 95 96 extern Scope *CurrentScope; 97 extern Scope *GlobalScope; 98 extern Scope *ScopeList; 99 100 Scope *NewScopeInPool(MemoryPool *); 101 #define NewScope() NewScopeInPool(CurrentScope->pool) 102 void PushScope(Scope *fScope); 103 Scope *PopScope(void); 104 Symbol *NewSymbol(SourceLoc *loc, Scope *fScope, int name, symbolkind kind); 105 Symbol *AddSymbol(SourceLoc *loc, Scope *fScope, int atom, symbolkind kind); 106 Symbol *LookUpLocalSymbol(Scope *fScope, int atom); 107 Symbol *LookUpSymbol(Scope *fScope, int atom); 108 void CPPErrorToInfoLog(char *); 109 110 111 #endif // !defined(__SYMBOLS_H) 112 113
