local.at: improvements

* tests/local.at (AT_YYERROR_FORMALS): Make llocp const.
(AT_PURE_AND_LOC_IF, AT_GLR_OR_PARAM_IF): Remove, expand...
(AT_YYERROR_ARG_LOC_IF): Here, and use m4_join for readability.
This commit is contained in:
Theophile Ranquet
2012-11-23 16:23:27 +00:00
parent c6bf97ccb4
commit dbb998364f

View File

@@ -151,10 +151,6 @@ 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])],
@@ -165,17 +161,28 @@ 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])],
[$2])])
# yyerror always sees the locations (when activated), except if
# (yacc & pure & !param). FIXME: This is wrong. See the manual.
[AT_LOCATION_IF([AT_PURE_IF([m4_bmatch([$3],
m4_quote(m4_join([\|],
[%glr-parser],
[%parse-param],
[%skeleton "?glr.c"?])),
[$1], [$2])],
[$2])],
[$2])])
# 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])],
[$1])],
[$1])],
[$2])])
[AT_LOCATION_IF([AT_YACC_IF([AT_PURE_IF([AT_YYERROR_ARG_LOC_IF([$1], [$2])],
[$1])],
[$1])],
[$2])])
# The interface is pure: either because %define api.pure, or because we
# are using the C++ parsers.
@@ -244,8 +251,6 @@ m4_popdef([AT_YYERROR_ARG_LOC_IF])
m4_popdef([AT_API_PREFIX])
m4_popdef([AT_API_prefix])
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])
@@ -358,7 +363,7 @@ 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],