# Checking the output filenames. -*- Autotest -*-
# Copyright (C) 2000-2002, 2005-2015 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
AT_BANNER([[Output file names.]])
# AT_CHECK_FILES(EXPECTED-FILES, [IGNORED-FILES])
# -----------------------------------------------
# Check that the current directory contains FILE... (sorted).
m4_define([AT_CHECK_FILES],
[AT_CHECK([[find . -type f |
$PERL -ne '
s,\./,,; chomp;
push @file, $_ unless m{^($2|testsuite.log)$};
END { print join (" ", sort @file), "\n" }']],
[], [$1
])])
# AT_CHECK_OUTPUT(INPUT-FILE, [DIRECTIVES], [FLAGS], EXPECTED-FILES, [STATUS],
# [ADDITIONAL-TESTS], [PRE-TESTS])
# -----------------------------------------------------------------------------
m4_define([AT_CHECK_OUTPUT],
[AT_SETUP([[Output files: ]$2 $3])[
]$7[
for file in ]$1 $4[; do
case $file in
*/*) mkdir -p `echo "$file" | sed 's,/[^/]*,,'`;;
esac
done
]AT_DATA([$1],
[$2[
%%
foo: %empty {};
]])[
]AT_BISON_CHECK([$3 $1], [$5], [], [ignore])[
# Ignore the files non-generated files
]AT_CHECK_FILES([$4], [$1])[
]$6[
]AT_CLEANUP[
]])
AT_CHECK_OUTPUT([foo.y], [], [-dv],
[foo.output foo.tab.c foo.tab.h])
# Some versions of Valgrind (at least valgrind-3.6.0.SVN-Debian) report
# "fgrep: write error: Bad file descriptor" when stdout is closed, so we
# skip this test group during maintainer-check-valgrind.
AT_CHECK_OUTPUT([foo.y], [], [-dv >&-],
[foo.output foo.tab.c foo.tab.h],
[], [],
[AT_CHECK([[case "$PREBISON" in *valgrind*) exit 77;; esac]])])
AT_CHECK_OUTPUT([foo.y], [], [-dv -o foo.c],
[foo.c foo.h foo.output])
AT_CHECK_OUTPUT([foo.y], [], [-dv -o foo.tab.c],
[foo.output foo.tab.c foo.tab.h])
AT_CHECK_OUTPUT([foo.y], [], [-dv -g --xml -y],
[y.dot y.output y.tab.c y.tab.h y.xml])
# With '-o y.tab.c', we expect 'y.output' etc. (for compatility with Yacc).
AT_CHECK_OUTPUT([foo.y], [], [-dv -g --xml -o y.tab.c],
[y.dot y.output y.tab.c y.tab.h y.xml])
AT_CHECK_OUTPUT([foo.y], [], [-dv -b bar],
[bar.output bar.tab.c bar.tab.h])
AT_CHECK_OUTPUT([foo.y], [], [-dv -g -o foo.c],
[foo.c foo.dot foo.h foo.output])
AT_CHECK_OUTPUT([foo.y], [%defines %verbose], [],
[foo.output foo.tab.c foo.tab.h])
AT_CHECK_OUTPUT([foo.y], [%defines %verbose %yacc],[],
[y.output y.tab.c y.tab.h])
AT_CHECK_OUTPUT([foo.yy], [%defines %verbose %yacc],[],
[y.output y.tab.c y.tab.h])
# Exercise %output and %file-prefix including deprecated '='
AT_CHECK_OUTPUT([foo.y], [%file-prefix "bar" %defines %verbose], [],
[bar.output bar.tab.c bar.tab.h])
AT_CHECK_OUTPUT([foo.y], [%output "bar.c" %defines %verbose %yacc],[],
[bar.c bar.h bar.output])
AT_CHECK_OUTPUT([foo.y],
[%file-prefix "baz" %output "bar.c" %defines %verbose %yacc],
[],
[bar.c bar.h bar.output])
# Check priorities of extension control.
AT_CHECK_OUTPUT([foo.yy], [%defines %verbose], [],
[foo.output foo.tab.cc foo.tab.hh])
AT_CHECK_OUTPUT([foo.yy], [%defines %verbose ], [-o foo.c],
[foo.c foo.h foo.output])
AT_CHECK_OUTPUT([foo.yy], [],
[--defines=foo.hpp -o foo.c++],
[foo.c++ foo.hpp])
AT_CHECK_OUTPUT([foo.yy], [%defines "foo.hpp"],
[-o foo.c++],
[foo.c++ foo.hpp])
AT_CHECK_OUTPUT([foo.yy], [],
[-o foo.c++ --graph=foo.gph],
[foo.c++ foo.gph])
# Do not generate code when there are early errors (even warnings as
# errors).
AT_CHECK_OUTPUT([foo.y], [%type <foo> useless],
[--defines --graph --xml --report=all -Wall -Werror],
[foo.dot foo.output foo.xml],
[1])
# Do not generate code when there are late errors (even warnings as
# errors).
AT_CHECK_OUTPUT([foo.y], [%define useless],
[--defines --graph --xml --report=all -Wall -Werror],
[foo.dot foo.output foo.xml],
[1])
## ------------ ##
## C++ output. ##
## ------------ ##
m4_define([AT_CHECK_NO_SUBDIR_PART],
[# Also make sure that the includes do not refer to the subdirectory.
AT_CHECK([grep 'include .subdir/' $1.cc], 1, [])
AT_CHECK([grep 'include .subdir/' $1.hh], 1, [])
])
AT_CHECK_OUTPUT([foo.yy], [%skeleton "lalr1.cc" %verbose], [],
[foo.output foo.tab.cc])
AT_CHECK_OUTPUT([foo.yy], [%skeleton "lalr1.cc" %defines %verbose], [],
[foo.output foo.tab.cc foo.tab.hh stack.hh])
AT_CHECK_OUTPUT([foo.yy], [%skeleton "lalr1.cc" %verbose %locations], [],
[foo.output foo.tab.cc])
AT_CHECK_OUTPUT([foo.yy], [%skeleton "lalr1.cc" %defines %verbose %locations], [],
[foo.output foo.tab.cc foo.tab.hh location.hh position.hh stack.hh])
AT_CHECK_OUTPUT([subdir/foo.yy], [%skeleton "lalr1.cc" %defines %verbose], [],
[foo.output foo.tab.cc foo.tab.hh stack.hh],
[], [AT_CHECK_NO_SUBDIR_PART([foo.tab])])
AT_CHECK_OUTPUT([subdir/foo.yy], [%skeleton "lalr1.cc" %defines %verbose %locations],
[-o subdir/foo.cc],
[subdir/foo.cc subdir/foo.hh subdir/foo.output subdir/location.hh subdir/position.hh subdir/stack.hh],
[], [AT_CHECK_NO_SUBDIR_PART([subdir/foo])])
AT_CHECK_OUTPUT([gram_dir/foo.yy],
[%skeleton "lalr1.cc" %defines %verbose %file-prefix "output_dir/foo"],
[],
[output_dir/foo.output output_dir/foo.tab.cc output_dir/foo.tab.hh output_dir/stack.hh])
AT_CHECK_OUTPUT([gram_dir/foo.yy],
[%skeleton "lalr1.cc" %defines %locations %verbose %file-prefix "output_dir/foo"],
[],
[output_dir/foo.output output_dir/foo.tab.cc output_dir/foo.tab.hh output_dir/location.hh output_dir/position.hh output_dir/stack.hh])
# AT_CHECK_CONFLICTING_OUTPUT(INPUT-FILE, DIRECTIVES, FLAGS, STDERR,
# [EXIT-STATUS])
# ------------------------------------------------------------------
m4_define([AT_CHECK_CONFLICTING_OUTPUT],
[AT_SETUP([Conflicting output files: $2 $3])
case "$1" in
*/*) mkdir `echo "$1" | sed 's,/.*,,'`;;
esac
AT_DATA([$1],
[[$2
%%
foo: {};
]])
[cp ]$1[ expout]
# Because an output file name conflict is still a warning, Bison exits
# with status 0, so AT_BISON_CHECK does not realize that there may be no
# output file against which to check the XML. AT_BISON_CHECK_NO_XML
# avoids that problem.
AT_BISON_CHECK_NO_XML([$3 $1], $5, [], [$4])
AT_CHECK([[cat $1]], [[0]], [expout])
AT_CLEANUP
])
AT_CHECK_CONFLICTING_OUTPUT([foo.y],
[], [--graph="foo.tab.c"],
[[foo.y: warning: conflicting outputs to file 'foo.tab.c' [-Wother]
]])
AT_CHECK_CONFLICTING_OUTPUT([foo.y],
[%defines "foo.output"], [-v],
[[foo.y: warning: conflicting outputs to file 'foo.output' [-Wother]
]])
AT_CHECK_CONFLICTING_OUTPUT([foo.y],
[%skeleton "lalr1.cc" %defines %locations], [--graph="location.hh"],
[[foo.y: warning: conflicting outputs to file 'location.hh' [-Wother]
]])
AT_CHECK_CONFLICTING_OUTPUT([foo.y], [], [-o foo.y],
[[foo.y: error: refusing to overwrite the input file 'foo.y'
]], 1)
# AT_CHECK_OUTPUT_FILE_NAME(FILE-NAME-PREFIX, [ADDITIONAL-TESTS])
# ---------------------------------------------------------------
m4_define([AT_CHECK_OUTPUT_FILE_NAME],
[AT_SETUP([Output file name: $1])
AT_BISON_OPTION_PUSHDEFS
# Skip if platform doesn't support file name. For example, Cygwin
# doesn't support file names containing ":" or "\".
AT_CHECK([[touch "]AS_ESCAPE([$1[.tmp]])[" || exit 77]])
AT_DATA_GRAMMAR([glr.y],
[[%glr-parser
%code {
]AT_YYERROR_DECLARE_EXTERN[
]AT_YYLEX_DECLARE_EXTERN[
}
%%
start: {};
]])
AT_BISON_CHECK([-o "AS_ESCAPE([$1.c])" --defines="AS_ESCAPE([$1.h])" glr.y])
AT_CHECK([ls "AS_ESCAPE([$1.c])" "AS_ESCAPE([$1.h])"], [], [ignore])
AT_COMPILE([glr.o], [-c "AS_ESCAPE([$1.c])"])
$2
AT_DATA_GRAMMAR([cxx.y],
[[%skeleton "lalr1.cc"
%code { int yylex (yy::parser::semantic_type*); }
%%
start: {};
]])
AT_BISON_CHECK([-o "AS_ESCAPE([$1.cc])" --defines="AS_ESCAPE([$1.hh])" cxx.y])
AT_CHECK([ls "AS_ESCAPE([$1.cc])" "AS_ESCAPE([$1.hh])"], [], [ignore])
AT_COMPILE_CXX([cxx.o], [-c "AS_ESCAPE([$1.cc])"])
$2
AT_BISON_OPTION_POPDEFS
AT_CLEANUP
])
# Notice that the header file name here cannot contain
# '"' since FILENAME in '#include "FILENAME"' cannot.
AT_CHECK_OUTPUT_FILE_NAME([[`~!@#$%^&*()-=_+{}[]|\:;<>, .']])
dnl Work around a bug in m4_expand that broke AT_SETUP in autoconf 2.62,
dnl by using the definition from 2.63.
m4_version_prereq([2.63], [],
[m4_define([m4_expand], [_$0(-=<{($1)}>=-)])
m4_define([_m4_expand],
[m4_changequote([-=<{(], [)}>=-])$1m4_changequote([, ])])])
AT_CHECK_OUTPUT_FILE_NAME([[(]])
AT_CHECK_OUTPUT_FILE_NAME([[)]])
AT_CHECK_OUTPUT_FILE_NAME([[@%:@]])
AT_CHECK_OUTPUT_FILE_NAME([[@@]])
AT_CHECK_OUTPUT_FILE_NAME([[@{]])
AT_CHECK_OUTPUT_FILE_NAME([[@}]])
AT_CHECK_OUTPUT_FILE_NAME([[@<:@]])
AT_CHECK_OUTPUT_FILE_NAME([[@:>@]])
# AT_TEST(SETUP-NAME, GRAMMAR, DOT-BODY)
# --------------------------------------
# Check that the DOT graph for GRAMMAR is DOT-BODY.
m4_pushdef([AT_TEST],
[AT_SETUP([$1])
AT_KEYWORDS([[graph]])
AT_DATA([[input.y]], [$2])
AT_BISON_CHECK([[-rall --graph input.y]], [0], [[]], [[ignore]])
AT_CHECK([[grep -v // input.dot]], [0],
[[
digraph "input.y"
{
node [fontname = courier, shape = box, colorscheme = paired6]
edge [fontname = courier]
]$3[}
]])
AT_CLEANUP
])
## ------------------------ ##
## Graph with no conflicts. ##
## ------------------------ ##
AT_TEST([Graph with no conflicts],
[[%%
exp: a '?' b;
a: ;
b: 'b';
]],
[[
0 [label="State 0\n\l 0 $accept: . exp $end\l 1 exp: . a '?' b\l 2 a: . %empty\l"]
0 -> 1 [style=dashed label="exp"]
0 -> 2 [style=dashed label="a"]
0 -> "0R2" [style=solid]
"0R2" [label="R2", fillcolor=3, shape=diamond, style=filled]
1 [label="State 1\n\l 0 $accept: exp . $end\l"]
1 -> 3 [style=solid label="$end"]
2 [label="State 2\n\l 1 exp: a . '?' b\l"]
2 -> 4 [style=solid label="'?'"]
3 [label="State 3\n\l 0 $accept: exp $end .\l"]
3 -> "3R0" [style=solid]
"3R0" [label="Acc", fillcolor=1, shape=diamond, style=filled]
4 [label="State 4\n\l 1 exp: a '?' . b\l 3 b: . 'b'\l"]
4 -> 5 [style=solid label="'b'"]
4 -> 6 [style=dashed label="b"]
5 [label="State 5\n\l 3 b: 'b' .\l"]
5 -> "5R3" [style=solid]
"5R3" [label="R3", fillcolor=3, shape=diamond, style=filled]
6 [label="State 6\n\l 1 exp: a '?' b .\l"]
6 -> "6R1" [style=solid]
"6R1" [label="R1", fillcolor=3, shape=diamond, style=filled]
]])
## ------------------------ ##
## Graph with unsolved S/R. ##
## ------------------------ ##
AT_TEST([Graph with unsolved S/R],
[[%%
start:
'a'
| empty_a 'a'
| 'b'
| empty_b 'b'
| 'c'
| empty_c 'c'
;
empty_a: %prec 'a';
empty_b: %prec 'b';
empty_c: %prec 'c';
]],
[[
0 [label="State 0\n\l 0 $accept: . start $end\l 1 start: . 'a'\l 2 | . empty_a 'a'\l 3 | . 'b'\l 4 | . empty_b 'b'\l 5 | . 'c'\l 6 | . empty_c 'c'\l 7 empty_a: . %empty ['a']\l 8 empty_b: . %empty ['b']\l 9 empty_c: . %empty ['c']\l"]
0 -> 1 [style=solid label="'a'"]
0 -> 2 [style=solid label="'b'"]
0 -> 3 [style=solid label="'c'"]
0 -> 4 [style=dashed label="start"]
0 -> 5 [style=dashed label="empty_a"]
0 -> 6 [style=dashed label="empty_b"]
0 -> 7 [style=dashed label="empty_c"]
0 -> "0R7d" [label="['a']", style=solid]
"0R7d" [label="R7", fillcolor=5, shape=diamond, style=filled]
0 -> "0R8d" [label="['b']", style=solid]
"0R8d" [label="R8", fillcolor=5, shape=diamond, style=filled]
0 -> "0R9d" [label="['c']", style=solid]
"0R9d" [label="R9", fillcolor=5, shape=diamond, style=filled]
1 [label="State 1\n\l 1 start: 'a' .\l"]
1 -> "1R1" [style=solid]
"1R1" [label="R1", fillcolor=3, shape=diamond, style=filled]
2 [label="State 2\n\l 3 start: 'b' .\l"]
2 -> "2R3" [style=solid]
"2R3" [label="R3", fillcolor=3, shape=diamond, style=filled]
3 [label="State 3\n\l 5 start: 'c' .\l"]
3 -> "3R5" [style=solid]
"3R5" [label="R5", fillcolor=3, shape=diamond, style=filled]
4 [label="State 4\n\l 0 $accept: start . $end\l"]
4 -> 8 [style=solid label="$end"]
5 [label="State 5\n\l 2 start: empty_a . 'a'\l"]
5 -> 9 [style=solid label="'a'"]
6 [label="State 6\n\l 4 start: empty_b . 'b'\l"]
6 -> 10 [style=solid label="'b'"]
7 [label="State 7\n\l 6 start: empty_c . 'c'\l"]
7 -> 11 [style=solid label="'c'"]
8 [label="State 8\n\l 0 $accept: start $end .\l"]
8 -> "8R0" [style=solid]
"8R0" [label="Acc", fillcolor=1, shape=diamond, style=filled]
9 [label="State 9\n\l 2 start: empty_a 'a' .\l"]
9 -> "9R2" [style=solid]
"9R2" [label="R2", fillcolor=3, shape=diamond, style=filled]
10 [label="State 10\n\l 4 start: empty_b 'b' .\l"]
10 -> "10R4" [style=solid]
"10R4" [label="R4", fillcolor=3, shape=diamond, style=filled]
11 [label="State 11\n\l 6 start: empty_c 'c' .\l"]
11 -> "11R6" [style=solid]
"11R6" [label="R6", fillcolor=3, shape=diamond, style=filled]
]])
## ---------------------- ##
## Graph with solved S/R. ##
## ---------------------- ##
AT_TEST([Graph with solved S/R],
[[%left 'a'
%right 'b'
%right 'c'
%%
start:
'a'
| empty_a 'a'
| 'b'
| empty_b 'b'
| 'c'
| empty_c 'c'
;
empty_a: %prec 'a';
empty_b: %prec 'b';
empty_c: %prec 'c';
]],
[[
0 [label="State 0\n\l 0 $accept: . start $end\l 1 start: . 'a'\l 2 | . empty_a 'a'\l 3 | . 'b'\l 4 | . empty_b 'b'\l 5 | . 'c'\l 6 | . empty_c 'c'\l 7 empty_a: . %empty ['a']\l 8 empty_b: . %empty []\l 9 empty_c: . %empty []\l"]
0 -> 1 [style=solid label="'b'"]
0 -> 2 [style=solid label="'c'"]
0 -> 3 [style=dashed label="start"]
0 -> 4 [style=dashed label="empty_a"]
0 -> 5 [style=dashed label="empty_b"]
0 -> 6 [style=dashed label="empty_c"]
0 -> "0R7" [style=solid]
"0R7" [label="R7", fillcolor=3, shape=diamond, style=filled]
1 [label="State 1\n\l 3 start: 'b' .\l"]
1 -> "1R3" [style=solid]
"1R3" [label="R3", fillcolor=3, shape=diamond, style=filled]
2 [label="State 2\n\l 5 start: 'c' .\l"]
2 -> "2R5" [style=solid]
"2R5" [label="R5", fillcolor=3, shape=diamond, style=filled]
3 [label="State 3\n\l 0 $accept: start . $end\l"]
3 -> 7 [style=solid label="$end"]
4 [label="State 4\n\l 2 start: empty_a . 'a'\l"]
4 -> 8 [style=solid label="'a'"]
5 [label="State 5\n\l 4 start: empty_b . 'b'\l"]
5 -> 9 [style=solid label="'b'"]
6 [label="State 6\n\l 6 start: empty_c . 'c'\l"]
6 -> 10 [style=solid label="'c'"]
7 [label="State 7\n\l 0 $accept: start $end .\l"]
7 -> "7R0" [style=solid]
"7R0" [label="Acc", fillcolor=1, shape=diamond, style=filled]
8 [label="State 8\n\l 2 start: empty_a 'a' .\l"]
8 -> "8R2" [style=solid]
"8R2" [label="R2", fillcolor=3, shape=diamond, style=filled]
9 [label="State 9\n\l 4 start: empty_b 'b' .\l"]
9 -> "9R4" [style=solid]
"9R4" [label="R4", fillcolor=3, shape=diamond, style=filled]
10 [label="State 10\n\l 6 start: empty_c 'c' .\l"]
10 -> "10R6" [style=solid]
"10R6" [label="R6", fillcolor=3, shape=diamond, style=filled]
]])
## ---------------- ##
## Graph with R/R. ##
## ---------------- ##
AT_TEST([Graph with R/R],
[[%%
exp: a | b;
a: ;
b: ;
]],
[[
0 [label="State 0\n\l 0 $accept: . exp $end\l 1 exp: . a\l 2 | . b\l 3 a: . %empty [$end]\l 4 b: . %empty [$end]\l"]
0 -> 1 [style=dashed label="exp"]
0 -> 2 [style=dashed label="a"]
0 -> 3 [style=dashed label="b"]
0 -> "0R3" [style=solid]
"0R3" [label="R3", fillcolor=3, shape=diamond, style=filled]
0 -> "0R4d" [label="[$end]", style=solid]
"0R4d" [label="R4", fillcolor=5, shape=diamond, style=filled]
1 [label="State 1\n\l 0 $accept: exp . $end\l"]
1 -> 4 [style=solid label="$end"]
2 [label="State 2\n\l 1 exp: a .\l"]
2 -> "2R1" [style=solid]
"2R1" [label="R1", fillcolor=3, shape=diamond, style=filled]
3 [label="State 3\n\l 2 exp: b .\l"]
3 -> "3R2" [style=solid]
"3R2" [label="R2", fillcolor=3, shape=diamond, style=filled]
4 [label="State 4\n\l 0 $accept: exp $end .\l"]
4 -> "4R0" [style=solid]
"4R0" [label="Acc", fillcolor=1, shape=diamond, style=filled]
]])
## ---------------------------------------- ##
## Graph with reductions with multiple LAT. ##
## ---------------------------------------- ##
AT_TEST([Graph with reductions with multiple LAT],
[[%%
exp: a ';' | a ';' | a '.' | b '?' | b '!' | c '?' | c ';';
a: ;
b: ;
c: ;
]],
[[
0 [label="State 0\n\l 0 $accept: . exp $end\l 1 exp: . a ';'\l 2 | . a ';'\l 3 | . a '.'\l 4 | . b '?'\l 5 | . b '!'\l 6 | . c '?'\l 7 | . c ';'\l 8 a: . %empty [';', '.']\l 9 b: . %empty ['?', '!']\l 10 c: . %empty [';', '?']\l"]
0 -> 1 [style=dashed label="exp"]
0 -> 2 [style=dashed label="a"]
0 -> 3 [style=dashed label="b"]
0 -> 4 [style=dashed label="c"]
0 -> "0R8" [style=solid]
"0R8" [label="R8", fillcolor=3, shape=diamond, style=filled]
0 -> "0R9" [label="['?', '!']", style=solid]
"0R9" [label="R9", fillcolor=3, shape=diamond, style=filled]
0 -> "0R10d" [label="[';', '?']", style=solid]
"0R10d" [label="R10", fillcolor=5, shape=diamond, style=filled]
1 [label="State 1\n\l 0 $accept: exp . $end\l"]
1 -> 5 [style=solid label="$end"]
2 [label="State 2\n\l 1 exp: a . ';'\l 2 | a . ';'\l 3 | a . '.'\l"]
2 -> 6 [style=solid label="';'"]
2 -> 7 [style=solid label="'.'"]
3 [label="State 3\n\l 4 exp: b . '?'\l 5 | b . '!'\l"]
3 -> 8 [style=solid label="'?'"]
3 -> 9 [style=solid label="'!'"]
4 [label="State 4\n\l 6 exp: c . '?'\l 7 | c . ';'\l"]
4 -> 10 [style=solid label="';'"]
4 -> 11 [style=solid label="'?'"]
5 [label="State 5\n\l 0 $accept: exp $end .\l"]
5 -> "5R0" [style=solid]
"5R0" [label="Acc", fillcolor=1, shape=diamond, style=filled]
6 [label="State 6\n\l 1 exp: a ';' . [$end]\l 2 | a ';' . [$end]\l"]
6 -> "6R1" [style=solid]
"6R1" [label="R1", fillcolor=3, shape=diamond, style=filled]
6 -> "6R2d" [label="[$end]", style=solid]
"6R2d" [label="R2", fillcolor=5, shape=diamond, style=filled]
7 [label="State 7\n\l 3 exp: a '.' .\l"]
7 -> "7R3" [style=solid]
"7R3" [label="R3", fillcolor=3, shape=diamond, style=filled]
8 [label="State 8\n\l 4 exp: b '?' .\l"]
8 -> "8R4" [style=solid]
"8R4" [label="R4", fillcolor=3, shape=diamond, style=filled]
9 [label="State 9\n\l 5 exp: b '!' .\l"]
9 -> "9R5" [style=solid]
"9R5" [label="R5", fillcolor=3, shape=diamond, style=filled]
10 [label="State 10\n\l 7 exp: c ';' .\l"]
10 -> "10R7" [style=solid]
"10R7" [label="R7", fillcolor=3, shape=diamond, style=filled]
11 [label="State 11\n\l 6 exp: c '?' .\l"]
11 -> "11R6" [style=solid]
"11R6" [label="R6", fillcolor=3, shape=diamond, style=filled]
]])
## ------------------------------------------------------ ##
## Graph with a reduction rule both enabled and disabled. ##
## ------------------------------------------------------ ##
AT_TEST([Graph with a reduction rule both enabled and disabled],
[[%%
exp: ifexp | opexp | imm;
ifexp: "if" exp "then" exp elseexp;
elseexp: "else" exp | ;
opexp: exp '+' exp;
imm: '0';
]],
[[
0 [label="State 0\n\l 0 $accept: . exp $end\l 1 exp: . ifexp\l 2 | . opexp\l 3 | . imm\l 4 ifexp: . \"if\" exp \"then\" exp elseexp\l 7 opexp: . exp '+' exp\l 8 imm: . '0'\l"]
0 -> 1 [style=solid label="\"if\""]
0 -> 2 [style=solid label="'0'"]
0 -> 3 [style=dashed label="exp"]
0 -> 4 [style=dashed label="ifexp"]
0 -> 5 [style=dashed label="opexp"]
0 -> 6 [style=dashed label="imm"]
1 [label="State 1\n\l 1 exp: . ifexp\l 2 | . opexp\l 3 | . imm\l 4 ifexp: . \"if\" exp \"then\" exp elseexp\l 4 | \"if\" . exp \"then\" exp elseexp\l 7 opexp: . exp '+' exp\l 8 imm: . '0'\l"]
1 -> 1 [style=solid label="\"if\""]
1 -> 2 [style=solid label="'0'"]
1 -> 7 [style=dashed label="exp"]
1 -> 4 [style=dashed label="ifexp"]
1 -> 5 [style=dashed label="opexp"]
1 -> 6 [style=dashed label="imm"]
2 [label="State 2\n\l 8 imm: '0' .\l"]
2 -> "2R8" [style=solid]
"2R8" [label="R8", fillcolor=3, shape=diamond, style=filled]
3 [label="State 3\n\l 0 $accept: exp . $end\l 7 opexp: exp . '+' exp\l"]
3 -> 8 [style=solid label="$end"]
3 -> 9 [style=solid label="'+'"]
4 [label="State 4\n\l 1 exp: ifexp .\l"]
4 -> "4R1" [style=solid]
"4R1" [label="R1", fillcolor=3, shape=diamond, style=filled]
5 [label="State 5\n\l 2 exp: opexp .\l"]
5 -> "5R2" [style=solid]
"5R2" [label="R2", fillcolor=3, shape=diamond, style=filled]
6 [label="State 6\n\l 3 exp: imm .\l"]
6 -> "6R3" [style=solid]
"6R3" [label="R3", fillcolor=3, shape=diamond, style=filled]
7 [label="State 7\n\l 4 ifexp: \"if\" exp . \"then\" exp elseexp\l 7 opexp: exp . '+' exp\l"]
7 -> 10 [style=solid label="\"then\""]
7 -> 9 [style=solid label="'+'"]
8 [label="State 8\n\l 0 $accept: exp $end .\l"]
8 -> "8R0" [style=solid]
"8R0" [label="Acc", fillcolor=1, shape=diamond, style=filled]
9 [label="State 9\n\l 1 exp: . ifexp\l 2 | . opexp\l 3 | . imm\l 4 ifexp: . \"if\" exp \"then\" exp elseexp\l 7 opexp: . exp '+' exp\l 7 | exp '+' . exp\l 8 imm: . '0'\l"]
9 -> 1 [style=solid label="\"if\""]
9 -> 2 [style=solid label="'0'"]
9 -> 11 [style=dashed label="exp"]
9 -> 4 [style=dashed label="ifexp"]
9 -> 5 [style=dashed label="opexp"]
9 -> 6 [style=dashed label="imm"]
10 [label="State 10\n\l 1 exp: . ifexp\l 2 | . opexp\l 3 | . imm\l 4 ifexp: . \"if\" exp \"then\" exp elseexp\l 4 | \"if\" exp \"then\" . exp elseexp\l 7 opexp: . exp '+' exp\l 8 imm: . '0'\l"]
10 -> 1 [style=solid label="\"if\""]
10 -> 2 [style=solid label="'0'"]
10 -> 12 [style=dashed label="exp"]
10 -> 4 [style=dashed label="ifexp"]
10 -> 5 [style=dashed label="opexp"]
10 -> 6 [style=dashed label="imm"]
11 [label="State 11\n\l 7 opexp: exp . '+' exp\l 7 | exp '+' exp . [$end, \"then\", \"else\", '+']\l"]
11 -> 9 [style=solid label="'+'"]
11 -> "11R7d" [label="['+']", style=solid]
"11R7d" [label="R7", fillcolor=5, shape=diamond, style=filled]
11 -> "11R7" [style=solid]
"11R7" [label="R7", fillcolor=3, shape=diamond, style=filled]
12 [label="State 12\n\l 4 ifexp: \"if\" exp \"then\" exp . elseexp\l 5 elseexp: . \"else\" exp\l 6 | . %empty [$end, \"then\", \"else\", '+']\l 7 opexp: exp . '+' exp\l"]
12 -> 13 [style=solid label="\"else\""]
12 -> 9 [style=solid label="'+'"]
12 -> 14 [style=dashed label="elseexp"]
12 -> "12R6d" [label="[\"else\", '+']", style=solid]
"12R6d" [label="R6", fillcolor=5, shape=diamond, style=filled]
12 -> "12R6" [style=solid]
"12R6" [label="R6", fillcolor=3, shape=diamond, style=filled]
13 [label="State 13\n\l 1 exp: . ifexp\l 2 | . opexp\l 3 | . imm\l 4 ifexp: . \"if\" exp \"then\" exp elseexp\l 5 elseexp: \"else\" . exp\l 7 opexp: . exp '+' exp\l 8 imm: . '0'\l"]
13 -> 1 [style=solid label="\"if\""]
13 -> 2 [style=solid label="'0'"]
13 -> 15 [style=dashed label="exp"]
13 -> 4 [style=dashed label="ifexp"]
13 -> 5 [style=dashed label="opexp"]
13 -> 6 [style=dashed label="imm"]
14 [label="State 14\n\l 4 ifexp: \"if\" exp \"then\" exp elseexp .\l"]
14 -> "14R4" [style=solid]
"14R4" [label="R4", fillcolor=3, shape=diamond, style=filled]
15 [label="State 15\n\l 5 elseexp: \"else\" exp . [$end, \"then\", \"else\", '+']\l 7 opexp: exp . '+' exp\l"]
15 -> 9 [style=solid label="'+'"]
15 -> "15R5d" [label="['+']", style=solid]
"15R5d" [label="R5", fillcolor=5, shape=diamond, style=filled]
15 -> "15R5" [style=solid]
"15R5" [label="R5", fillcolor=3, shape=diamond, style=filled]
]])
m4_popdef([AT_TEST])