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This commit is contained in:
Richard M. Stallman
1995-10-15 20:02:41 +00:00
parent 28683c5444
commit 9f69021105
1 changed files with 7 additions and 2 deletions
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9
src/gram.h
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@@ -1,5 +1,5 @@
/* Data definitions for internal representation of bison's input,
Copyright (C) 1984, 1986, 1989 Free Software Foundation, Inc.
Copyright (C) 1984, 1986, 1989, 1992 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
@@ -23,6 +23,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
ntokens is the number of tokens, and nvars is the number of variables
(nonterminals). nsyms is the total number, ntokens + nvars.
(the true number of token values assigned is ntokens
reduced by one for each alias declaration)
Each symbol (either token or variable) receives a symbol number.
Numbers 0 to ntokens-1 are for tokens, and ntokens to nsyms-1 are for
variables. Symbol number zero is the end-of-input token. This token
@@ -99,7 +102,9 @@ extern int start_symbol;
indexed by a token number as returned by the user's yylex routine,
it yields the internal token number used by the parser and throughout bison.
If translations is zero, the translation table is not used because
the two kinds of token numbers are the same. */
the two kinds of token numbers are the same.
(It is noted in reader.c that "Nowadays translations is always set to 1...")
*/
extern short *token_translations;
extern int translations;