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Some code and documentation improvements.

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* data/c.m4 (b4_table_value_equals): New macro to capture
some repeated code.
* data/glr.c (yyis_pact_ninf): Use it here.
(yyis_table_ninf): Likewise.
(yyreportSyntaxError): Improve internal comments.
* data/yacc.c (yyis_pact_ninf): New macro copied from glr.c.
Use it everywhere possible.
(yyis_table_ninf): Likewise.
(yysyntax_error): Improve internal comments.
* data/lalr1.cc (yysyntax_error_): Likewise.
* data/lalr1.java (yysyntax_error): Likewise.
* src/tables.h: Improve comments about yypact, yytable, etc.
This commit is contained in:
Joel E. Denny
2009-08-25 01:12:37 -04:00
parent e6c849d82a
commit 8741288212
7 changed files with 56 additions and 15 deletions
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data/lalr1.java
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@@ -735,7 +735,8 @@ m4_popdef([b4_at_dollar])])dnl
StringBuffer res;
/* Start YYX at -YYN if negative to avoid negative indexes in
YYCHECK. */
YYCHECK. In other words, skip the first -YYN actions for this
state because they are default actions. */
int yyxbegin = yyn < 0 ? -yyn : 0;
/* Stay within bounds of both yycheck and yytname. */