Merge remote-tracking branch 'origin/maint'

* origin/maint:
  doc: minor fixes
  doc: improve the index
  doc: introduce api.pure full, rearrange some examples
  yacc.c: support "%define api.pure full"
  local.at: improvements

Conflicts:
	NEWS
	data/yacc.c
	doc/bison.texi
	tests/calc.at
This commit is contained in:
Akim Demaille
2012-11-29 14:54:37 +01:00
6 changed files with 146 additions and 95 deletions

View File

@@ -152,10 +152,6 @@ m4_pushdef([AT_PURE_IF],
[m4_bmatch([$3], [%define *api\.pure\|%pure-parser],
[m4_bmatch([$3], [%define *api\.pure *"?false"?], [$2], [$1])],
[$2])])
m4_pushdef([AT_PURE_AND_LOC_IF],
[m4_bmatch([$3], [%locations], [AT_PURE_IF($@)], [$2])])
m4_pushdef([AT_GLR_OR_PARAM_IF],
[m4_bmatch([$3], [%glr-parser\|%parse-param], [$1], [$2])])
m4_pushdef([AT_NAME_PREFIX],
[m4_bmatch([$3], [\(%define api\.prefix\|%name-prefix\) ".*"],
[m4_bregexp([$3], [\(%define api\.prefix\|%name-prefix\) "\([^""]*\)"], [\2])],
@@ -171,14 +167,26 @@ m4_pushdef([AT_API_prefix],
[yy])])
m4_pushdef([AT_API_PREFIX],
[m4_toupper(AT_API_prefix)])
# yyerror receives the location if %location & %pure & (%glr or %parse-param).
# yyerror receives the location if %location, and if the parser is pure. For
# historical reasons, with the "yacc.c" skeleton, the location is not passed
# unless an additional "%parse-param" is present, or if the purity is defined
# as "full".
m4_pushdef([AT_YYERROR_ARG_LOC_IF],
[AT_GLR_OR_PARAM_IF([AT_PURE_AND_LOC_IF([$1], [$2])],
[AT_LOCATION_IF([AT_PURE_IF([m4_bmatch([$3],
m4_quote(m4_join([\|],
[%define api.pure "?full"?],
[%glr-parser],
[%parse-param],
[%skeleton "?glr.c"?])),
[$1], [$2])],
[$2])],
[$2])])
# yyerror always sees the locations (when activated), except if
# (yacc & pure & !param). FIXME: This is wrong. See the manual.
# yyerror always sees the locations (when activated) if the parser is impure.
# When the parser is pure, yyerror sees the location if it is received as an
# argument.
m4_pushdef([AT_YYERROR_SEES_LOC_IF],
[AT_LOCATION_IF([AT_YACC_IF([AT_PURE_IF([AT_PARAM_IF([$1], [$2])],
[AT_LOCATION_IF([AT_YACC_IF([AT_PURE_IF([AT_YYERROR_ARG_LOC_IF([$1], [$2])],
[$1])],
[$1])],
[$2])])
@@ -254,8 +262,6 @@ m4_popdef([AT_API_prefix])
m4_popdef([AT_TOKEN_PREFIX])
m4_popdef([AT_TOKEN_CTOR_IF])
m4_popdef([AT_NAME_PREFIX])
m4_popdef([AT_GLR_OR_PARAM_IF])
m4_popdef([AT_PURE_AND_LOC_IF])
m4_popdef([AT_LOCATION_TYPE_IF])
m4_popdef([AT_LOCATION_IF])
m4_popdef([AT_PARSE_PARAMS])
@@ -360,6 +366,7 @@ static
}]dnl
])
# AT_YYERROR_FORMALS
# AT_YYERROR_PROTOTYPE
# AT_YYERROR_DECLARE_EXTERN
# AT_YYERROR_DECLARE
@@ -368,7 +375,7 @@ static
# Must be called inside a AT_BISON_OPTION_PUSHDEFS/POPDEFS pair.
m4_define([AT_YYERROR_FORMALS],
[m4_case(AT_LANG,
[c], [AT_YYERROR_ARG_LOC_IF([AT_YYLTYPE *llocp, ])AT_PARSE_PARAMS [const char *msg]])[]dnl
[c], [AT_YYERROR_ARG_LOC_IF([AT_YYLTYPE const * const llocp, ])AT_PARSE_PARAMS [const char *msg]])[]dnl
])
m4_define([AT_YYERROR_PROTOTYPE],