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Unified Diff: bison/src/bison/2.4.1/bison-2.4.1-src/src/lalr.h

Issue 10807020: Add native Windows binary for bison. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/
Patch Set: Created 8 years, 5 months ago
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Index: bison/src/bison/2.4.1/bison-2.4.1-src/src/lalr.h
===================================================================
--- bison/src/bison/2.4.1/bison-2.4.1-src/src/lalr.h (revision 0)
+++ bison/src/bison/2.4.1/bison-2.4.1-src/src/lalr.h (revision 0)
@@ -0,0 +1,83 @@
+/* Compute lookahead criteria for bison,
+
+ Copyright (C) 1984, 1986, 1989, 2000, 2002, 2004, 2006, 2007 Free Software
+ Foundation, Inc.
+
+ This file is part of Bison, the GNU Compiler Compiler.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef LALR_H_
+# define LALR_H_
+
+# include <bitset.h>
+# include <bitsetv.h>
+
+/* Import the definition of RULE_T. */
+# include "gram.h"
+
+/* Import the definition of CORE, TRANSITIONS and REDUCTIONS. */
+# include "state.h"
+
+
+/** Build the LALR(1) automaton.
+
+ Compute how to make the finite state machine deterministic; find
+ which rules need lookahead in each state, and which lookahead
+ tokens they accept.
+
+ Builds:
+ - #goto_map
+ - #from_state
+ - #to_state
+*/
+void lalr (void);
+
+/**
+ * Update state numbers recorded in #goto_map, #from_state, and #to_state such
+ * that:
+ * - \c nstates_old is the old number of states.
+ * - Where \c i is the old state number, <tt>old_to_new[i]</tt> is either:
+ * - \c nstates_old if state \c i is removed because it is unreachable.
+ * Thus, remove all goto entries involving this state.
+ * - The new state number.
+ */
+void lalr_update_state_numbers (state_number old_to_new[],
+ state_number nstates_old);
+
+
+/** Release the information related to lookahead tokens.
+
+ Can be performed once the action tables are computed. */
+void lalr_free (void);
+
+
+typedef size_t goto_number;
+# define GOTO_NUMBER_MAXIMUM ((goto_number) -1)
+
+/** Index into #from_state and #to_state.
+
+ All the transitions that accept a particular variable are grouped
+ together and GOTO_MAP[I - NTOKENS] is the index in FROM_STATE and
+ TO_STATE of the first of them. */
+extern goto_number *goto_map;
+
+/** State number which a transition leads from. */
+extern state_number *from_state;
+
+/** State number it leads to. */
+extern state_number *to_state;
+
+
+#endif /* !LALR_H_ */
Property changes on: bison\src\bison\2.4.1\bison-2.4.1-src\src\lalr.h
___________________________________________________________________
Added: svn:eol-style
+ LF
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