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Diffstat (limited to 'Source/Pccts/antlr/hash.h')
-rw-r--r-- | Source/Pccts/antlr/hash.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/Source/Pccts/antlr/hash.h b/Source/Pccts/antlr/hash.h new file mode 100644 index 0000000..3969c40 --- /dev/null +++ b/Source/Pccts/antlr/hash.h @@ -0,0 +1,73 @@ +/*
+ * hash.h -- define hash table entries, sizes, hash function...
+ *
+ * SOFTWARE RIGHTS
+ *
+ * We reserve no LEGAL rights to the Purdue Compiler Construction Tool
+ * Set (PCCTS) -- PCCTS is in the public domain. An individual or
+ * company may do whatever they wish with source code distributed with
+ * PCCTS or the code generated by PCCTS, including the incorporation of
+ * PCCTS, or its output, into commerical software.
+ *
+ * We encourage users to develop software with PCCTS. However, we do ask
+ * that credit is given to us for developing PCCTS. By "credit",
+ * we mean that if you incorporate our source code into one of your
+ * programs (commercial product, research project, or otherwise) that you
+ * acknowledge this fact somewhere in the documentation, research report,
+ * etc... If you like PCCTS and have developed a nice tool with the
+ * output, please mention that you developed it using PCCTS. In
+ * addition, we ask that this header remain intact in our source code.
+ * As long as these guidelines are kept, we expect to continue enhancing
+ * this system and expect to make other tools available as they are
+ * completed.
+ *
+ * ANTLR 1.33
+ * Terence Parr
+ * Parr Research Corporation
+ * with Purdue University and AHPCRC, University of Minnesota
+ * 1989-2001
+ */
+
+ /* H a s h T a b l e S t u f f */
+
+#ifndef HashTableSize
+#define HashTableSize 553
+#endif
+
+#ifndef StrTableSize
+#ifdef PC32
+#define StrTableSize 1000000
+#endif
+#endif
+
+#ifndef StrTableSize
+#ifdef PC
+#define StrTableSize 655200
+#endif
+#endif
+
+#ifndef StrTableSize
+#define StrTableSize 1000000
+#endif
+
+typedef struct _entry { /* Minimum hash table entry -- superclass */
+ char *str;
+ struct _entry *next;
+ } Entry;
+
+/* Hash 's' using 'size', place into h (s is modified) */
+#define Hash(s,h,size) \
+ {while ( *s != '\0' ) h = (h<<1) + *s++; \
+ h %= size;}
+
+#ifdef __USE_PROTOS
+Entry *hash_get(Entry **, char *),
+ **newHashTable(void),
+ *hash_add(Entry **, char *, Entry *);
+
+void killHashTable(Entry **);
+
+#else
+Entry *hash_get(), **newHashTable(), *hash_add();
+void killHashTable(); /* MR9 23-Sep-97 */
+#endif
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