m4_version_prereq([2.58])
+## ------------- ##
+## Basic tests. ##
+## ------------- ##
+
+# AT_MATCHES_CHECK(FILE, PERL-REGEXP, COUNT)
+# ------------------------------------------
+# Expect COUNT matches of the PERL-REGEXP in FILE. The file is
+# taken in "slurp" mode, i.e., one can match end-of-lines.
+m4_define([AT_MATCHES_CHECK],
+[AT_CHECK([perl -0777 -ne '
+my $count = 0;
+s{$2}{ ++$count; "" }gem;
+printf "$count\n";' $1], [0], [$3
+])])
+
+
## ------------------------------- ##
## Macros decoding Bison options. ##
## ------------------------------- ##
# --------------------------------------------------
# This macro works around the impossibility to define macros
# inside macros, because issuing `[$1]' is not possible in M4 :(.
-# This sucks hard, GNU M4 should really provide M5 like $$1.
+# This sucks hard, GNU M4 should really provide M5-like $$1.
m4_define([_AT_BISON_OPTION_PUSHDEFS],
[m4_if([$1$2], $[1]$[2], [],
[m4_fatal([$0: Invalid arguments: $@])])dnl
+m4_pushdef([AT_DEFINES_IF],
+[m4_bmatch([$3], [%defines], [$1], [$2])])
m4_pushdef([AT_SKEL_CC_IF],
[m4_bmatch([$3], [%language "[Cc]\+\+"\|%skeleton "[a-z0-9]+\.cc"], [$1], [$2])])
m4_pushdef([AT_GLR_IF],
[m4_bmatch([$3], [%name-prefix ".*"],
[m4_bregexp([$3], [name-prefix "\([^"]*\)"], [\1])],
[yy])])
+m4_pushdef([AT_TOKEN_PREFIX],
+[m4_bmatch([$3], [%define token.prefix ".*"],
+ [m4_bregexp([$3], [%define token.prefix "\(.*\)"], [\1])])])
# yyerror receives the location if %location & %pure & (%glr or %parse-param).
m4_pushdef([AT_YYERROR_ARG_LOC_IF],
[AT_GLR_OR_PARAM_IF([AT_PURE_AND_LOC_IF([$1], [$2])],
m4_pushdef([AT_LEX_PRE_ARGS],
[AT_LEX_ARGS, ])
],
-[m4_pushdef([AT_LOC], [(yylloc)])
- m4_pushdef([AT_VAL], [(yylval)])
+[m4_pushdef([AT_LOC], [[(]AT_NAME_PREFIX[lloc)]])
+ m4_pushdef([AT_VAL], [[(]AT_NAME_PREFIX[lval)]])
m4_pushdef([AT_LEX_FORMALS], [void])
m4_pushdef([AT_LEX_ARGS], [])
m4_pushdef([AT_USE_LEX_ARGS], [])
m4_pushdef([AT_LEX_PRE_FORMALS], [])
m4_pushdef([AT_LEX_PRE_ARGS], [])
])
+AT_GLR_IF([AT_KEYWORDS([glr])])
])# _AT_BISON_OPTION_PUSHDEFS
m4_popdef([AT_SKEL_CC_IF])
m4_popdef([AT_GLR_CC_IF])
m4_popdef([AT_LALR1_CC_IF])
+m4_popdef([AT_DEFINES_IF])
])# AT_BISON_OPTION_POPDEFS
## Generating Grammar Files. ##
## -------------------------- ##
-
-# AT_DATA_GRAMMAR_PROLOGUE
+# AT_DATA_SOURCE_PROLOGUE
# ------------------------
-# The prologue that should be included in any grammar which parser is
+# The prologue that should be included in any source code that is
# meant to be compiled.
-m4_define([AT_DATA_GRAMMAR_PROLOGUE],
-[[%{
-#include <config.h>
+m4_define([AT_DATA_SOURCE_PROLOGUE],
+[[#include <config.h>
/* We don't need perfect functions for these tests. */
#undef malloc
#undef memcmp
#undef realloc
-%}]
-])
+]])
+
+# AT_DATA_GRAMMAR_PROLOGUE
+# ------------------------
+# The prologue that should be included in any grammar which parser is
+# meant to be compiled.
+m4_define([AT_DATA_GRAMMAR_PROLOGUE],
+[[%code top {
+]AT_DATA_SOURCE_PROLOGUE[]dnl
+[}
+]])
+# AT_DATA_SOURCE(NAME, CONTENT)
+# -----------------------------
+# Generate the file NAME, which CONTENT is preceded by
+# AT_DATA_SOURCE_PROLOGUE.
+m4_define([AT_DATA_SOURCE],
+[AT_DATA([$1],
+[AT_DATA_SOURCE_PROLOGUE
+$2])
+])
# AT_DATA_GRAMMAR(NAME, CONTENT)
# ------------------------------
0, [ignore], [ignore])])
-# AT_FULL_COMPILE(OUTPUT)
-# -----------------------
+# AT_FULL_COMPILE(OUTPUT, [OTHER])
+# --------------------------------
# Compile OUTPUT.y to OUTPUT.c or OUTPUT.cc, and compile it to OUTPUT.
+# If OTHER is specified, compile OUTPUT-OTHER.c or OUTPUT-OTHER.cc to OUTPUT
+# along with it.
# Relies on AT_SKEL_CC_IF.
m4_define([AT_FULL_COMPILE],
[AT_SKEL_CC_IF(
[AT_BISON_CHECK([-o $1.cc $1.y])
- AT_COMPILE_CXX([$1])],
+ AT_COMPILE_CXX([$1]m4_ifval($2, [, [$1.cc $1-$2.cc]]))],
[AT_BISON_CHECK([-o $1.c $1.y])
- AT_COMPILE([$1])])
+ AT_COMPILE([$1]m4_ifval($2, [, [$1.c $1-$2.c]]))])
])