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Fixes from Jim Meyering.

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This commit is contained in:
Akim Demaille
2002-09-30 08:40:51 +00:00
parent b778eff5f9
commit e88dbdbf44
1 changed files with 7 additions and 7 deletions
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@@ -16,25 +16,25 @@ Changes in version 1.49b, 2002-08-12:
* Output Directory * Output Directory
When not in Yacc compatibility mode, when the output file was not When not in Yacc compatibility mode, when the output file was not
specified, runnning `bison foo/bar.y' created `foo/bar.c'. It specified, running `bison foo/bar.y' created `foo/bar.c'. It
now creates `bar.c'. now creates `bar.c'.
* Undefined token * Undefined token
The undefined token was systematically mapped to 2 which prevented The undefined token was systematically mapped to 2 which prevented
the use of 2 from the user. This is no longer the case. the use of 2 by the user. This is no longer the case.
* Unknown token numbers * Unknown token numbers
If yylex returned a code out of range, yyparse could die. This is If yylex returned an out of range value, yyparse could die. This is
no longer the case. no longer the case.
* Error token * Error token
According to POSIX, the error token should be numbered as 256. According to POSIX, the error token must be 256.
Bison extends this requirement by making it a preference: *if* the Bison extends this requirement by making it a preference: *if* the
user specified that one of her tokens is numbered 256, then error user specified that one of her tokens is numbered 256, then error
will be mapped onto another number. will be mapped onto another number.
* Verbose error messages * Verbose error messages
They no longer report `..., expecting error or...' for state where They no longer report `..., expecting error or...' for states where
error recovery is possible. error recovery is possible.
* End token * End token
@@ -110,12 +110,12 @@ Changes in version 1.49b, 2002-08-12:
Croatian, thanks to Denis Lackovic. Croatian, thanks to Denis Lackovic.
* Incorrect token definitions * Incorrect token definitions
When fed with `%token 'a' "A"', Bison used to output `#define 'a' 65'. When given `%token 'a' "A"', Bison used to output `#define 'a' 65'.
* Token definitions as enums * Token definitions as enums
Tokens are output both as the traditional #define's, and, provided Tokens are output both as the traditional #define's, and, provided
the compiler supports ANSI C or is a C++ compiler, as enums. the compiler supports ANSI C or is a C++ compiler, as enums.
This helps debuggers producing symbols instead of values. This lets debuggers display names instead of integers.
* Reports * Reports
In addition to --verbose, bison supports --report=THINGS, which In addition to --verbose, bison supports --report=THINGS, which