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(SALIAS): New #define for adding aliases to %token.
(struct bucket): Added `alias' field.
This commit is contained in:
12
src/symtab.h
12
src/symtab.h
@@ -1,5 +1,5 @@
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/* Definitions for symtab.c and callers, part of bison,
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/* Definitions for symtab.c and callers, part of bison,
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Copyright (C) 1984, 1989 Free Software Foundation, Inc.
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Copyright (C) 1984, 1989, 1992 Free Software Foundation, Inc.
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This file is part of Bison, the GNU Compiler Compiler.
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This file is part of Bison, the GNU Compiler Compiler.
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@@ -24,9 +24,10 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* symbol classes */
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/* symbol classes */
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#define SUNKNOWN 0
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#define SUNKNOWN 0
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#define STOKEN 1
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#define STOKEN 1 /* terminal symbol */
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#define SNTERM 2
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#define SNTERM 2 /* non-terminal */
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#define SALIAS -9991 /* for symbol generated with an alias */
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typedef
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typedef
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struct bucket
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struct bucket
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@@ -39,6 +40,11 @@ typedef
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short prec;
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short prec;
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short assoc;
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short assoc;
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short user_token_number;
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short user_token_number;
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/* special value SALIAS in the identifier
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half of the identifier-symbol pair for an alias */
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struct bucket *alias;
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/* points to the other in the identifier-symbol
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pair for an alias */
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char class;
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char class;
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}
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}
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bucket;
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bucket;
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