--- /dev/null
+/**\r
+ * \file\r
+ * Defines the basic structures of an ANTLR3 bitset. this is a C version of the \r
+ * cut down Bitset class provided with the java version of antlr 3.\r
+ * \r
+ * \r
+ */\r
+#ifndef _ANTLR3_BITSET_H\r
+#define _ANTLR3_BITSET_H\r
+\r
+// [The "BSD licence"]\r
+// Copyright (c) 2005-2009 Jim Idle, Temporal Wave LLC\r
+// http://www.temporal-wave.com\r
+// http://www.linkedin.com/in/jimidle\r
+//\r
+// All rights reserved.\r
+//\r
+// Redistribution and use in source and binary forms, with or without\r
+// modification, are permitted provided that the following conditions\r
+// are met:\r
+// 1. Redistributions of source code must retain the above copyright\r
+// notice, this list of conditions and the following disclaimer.\r
+// 2. Redistributions in binary form must reproduce the above copyright\r
+// notice, this list of conditions and the following disclaimer in the\r
+// documentation and/or other materials provided with the distribution.\r
+// 3. The name of the author may not be used to endorse or promote products\r
+// derived from this software without specific prior written permission.\r
+//\r
+// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\r
+// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES\r
+// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\r
+// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,\r
+// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\r
+// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF\r
+// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
+\r
+#include <antlr3defs.h>\r
+#include <antlr3collections.h>\r
+\r
+/** How many bits in the elements\r
+ */\r
+#define ANTLR3_BITSET_BITS 64\r
+\r
+/** How many bits in a nible of bits\r
+ */\r
+#define ANTLR3_BITSET_NIBBLE 4\r
+\r
+/** log2 of ANTLR3_BITSET_BITS 2^ANTLR3_BITSET_LOG_BITS = ANTLR3_BITSET_BITS\r
+ */\r
+#define ANTLR3_BITSET_LOG_BITS 6\r
+\r
+/** We will often need to do a mod operator (i mod nbits).\r
+ * For powers of two, this mod operation is the\r
+ * same as:\r
+ * - (i & (nbits-1)). \r
+ *\r
+ * Since mod is relatively slow, we use an easily\r
+ * precomputed mod mask to do the mod instead.\r
+ */\r
+#define ANTLR3_BITSET_MOD_MASK ANTLR3_BITSET_BITS - 1\r
+\r
+#ifdef __cplusplus\r
+extern "C" {\r
+#endif\r
+\r
+typedef struct ANTLR3_BITSET_LIST_struct\r
+{\r
+ /// Pointer to the allocated array of bits for this bit set, which\r
+ /// is an array of 64 bit elements (of the architecture). If we find a \r
+ /// machine/C compiler that does not know anything about 64 bit values\r
+ /// then it should be easy enough to produce a 32 bit (or less) version\r
+ /// of the bitset code. Note that the pointer here may be static if laid down\r
+ /// by the code generation, and it must be copied if it is to be manipulated\r
+ /// to perform followset calculations.\r
+ ///\r
+ pANTLR3_BITWORD bits;\r
+\r
+ /// Length of the current bit set in ANTLR3_UINT64 units.\r
+ ///\r
+ ANTLR3_UINT32 length;\r
+}\r
+ ANTLR3_BITSET_LIST;\r
+\r
+typedef struct ANTLR3_BITSET_struct\r
+{\r
+ /// The actual bits themselves\r
+ ///\r
+ ANTLR3_BITSET_LIST blist;\r
+\r
+ pANTLR3_BITSET (*clone) (struct ANTLR3_BITSET_struct * inSet);\r
+ pANTLR3_BITSET (*bor) (struct ANTLR3_BITSET_struct * bitset1, struct ANTLR3_BITSET_struct * bitset2);\r
+ void (*borInPlace) (struct ANTLR3_BITSET_struct * bitset, struct ANTLR3_BITSET_struct * bitset2);\r
+ ANTLR3_UINT32 (*size) (struct ANTLR3_BITSET_struct * bitset);\r
+ void (*add) (struct ANTLR3_BITSET_struct * bitset, ANTLR3_INT32 bit);\r
+ void (*grow) (struct ANTLR3_BITSET_struct * bitset, ANTLR3_INT32 newSize);\r
+ ANTLR3_BOOLEAN (*equals) (struct ANTLR3_BITSET_struct * bitset1, struct ANTLR3_BITSET_struct * bitset2);\r
+ ANTLR3_BOOLEAN (*isMember) (struct ANTLR3_BITSET_struct * bitset, ANTLR3_UINT32 bit);\r
+ ANTLR3_UINT32 (*numBits) (struct ANTLR3_BITSET_struct * bitset);\r
+ void (*remove) (struct ANTLR3_BITSET_struct * bitset, ANTLR3_UINT32 bit);\r
+ ANTLR3_BOOLEAN (*isNilNode) (struct ANTLR3_BITSET_struct * bitset);\r
+ pANTLR3_INT32 (*toIntList) (struct ANTLR3_BITSET_struct * bitset);\r
+\r
+ void (*free) (struct ANTLR3_BITSET_struct * bitset);\r
+\r
+\r
+}\r
+ ANTLR3_BITSET;\r
+\r
+#ifdef __cplusplus\r
+}\r
+#endif\r
+\r
+\r
+\r
+#endif\r
+\r
Code Review / simantics / platform.git / blobdiff