| 878ddf1f |
1 | /*\r |
| 2 | * hash.h -- define hash table entries, sizes, hash function...\r |
| 3 | *\r |
| 4 | * SOFTWARE RIGHTS\r |
| 5 | *\r |
| 6 | * We reserve no LEGAL rights to the Purdue Compiler Construction Tool\r |
| 7 | * Set (PCCTS) -- PCCTS is in the public domain. An individual or\r |
| 8 | * company may do whatever they wish with source code distributed with\r |
| 9 | * PCCTS or the code generated by PCCTS, including the incorporation of\r |
| 10 | * PCCTS, or its output, into commerical software.\r |
| 11 | *\r |
| 12 | * We encourage users to develop software with PCCTS. However, we do ask\r |
| 13 | * that credit is given to us for developing PCCTS. By "credit",\r |
| 14 | * we mean that if you incorporate our source code into one of your\r |
| 15 | * programs (commercial product, research project, or otherwise) that you\r |
| 16 | * acknowledge this fact somewhere in the documentation, research report,\r |
| 17 | * etc... If you like PCCTS and have developed a nice tool with the\r |
| 18 | * output, please mention that you developed it using PCCTS. In\r |
| 19 | * addition, we ask that this header remain intact in our source code.\r |
| 20 | * As long as these guidelines are kept, we expect to continue enhancing\r |
| 21 | * this system and expect to make other tools available as they are\r |
| 22 | * completed.\r |
| 23 | *\r |
| 24 | * ANTLR 1.33\r |
| 25 | * Terence Parr\r |
| 26 | * Parr Research Corporation\r |
| 27 | * with Purdue University and AHPCRC, University of Minnesota\r |
| 28 | * 1989-2001\r |
| 29 | */\r |
| 30 | \r |
| 31 | /* H a s h T a b l e S t u f f */\r |
| 32 | \r |
| 33 | #ifndef HashTableSize\r |
| 34 | #define HashTableSize 553\r |
| 35 | #endif\r |
| 36 | \r |
| 37 | #ifndef StrTableSize\r |
| 38 | #ifdef PC32\r |
| 39 | #define StrTableSize 1000000\r |
| 40 | #endif\r |
| 41 | #endif\r |
| 42 | \r |
| 43 | #ifndef StrTableSize\r |
| 44 | #ifdef PC\r |
| 45 | #define StrTableSize 655200\r |
| 46 | #endif\r |
| 47 | #endif\r |
| 48 | \r |
| 49 | #ifndef StrTableSize\r |
| 50 | #define StrTableSize 1000000\r |
| 51 | #endif\r |
| 52 | \r |
| 53 | typedef struct _entry { /* Minimum hash table entry -- superclass */\r |
| 54 | char *str;\r |
| 55 | struct _entry *next;\r |
| 56 | } Entry;\r |
| 57 | \r |
| 58 | /* Hash 's' using 'size', place into h (s is modified) */\r |
| 59 | #define Hash(s,h,size) \\r |
| 60 | {while ( *s != '\0' ) h = (h<<1) + *s++; \\r |
| 61 | h %= size;}\r |
| 62 | \r |
| 63 | #ifdef __USE_PROTOS\r |
| 64 | Entry *hash_get(Entry **, char *),\r |
| 65 | **newHashTable(void),\r |
| 66 | *hash_add(Entry **, char *, Entry *);\r |
| 67 | \r |
| 68 | void killHashTable(Entry **);\r |
| 69 | \r |
| 70 | #else\r |
| 71 | Entry *hash_get(), **newHashTable(), *hash_add();\r |
| 72 | void killHashTable(); /* MR9 23-Sep-97 */\r |
| 73 | #endif\r |
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