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1# Bison Parser Headers. -*- Autotest -*-
2# Copyright (C) 2001, 2002, 2006 Free Software Foundation, Inc.
3
4# This program is free software: you can redistribute it and/or modify
5# it under the terms of the GNU General Public License as published by
6# the Free Software Foundation, either version 3 of the License, or
7# (at your option) any later version.
8#
9# This program is distributed in the hope that it will be useful,
10# but WITHOUT ANY WARRANTY; without even the implied warranty of
11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12# GNU General Public License for more details.
13#
14# You should have received a copy of the GNU General Public License
15# along with this program. If not, see <http://www.gnu.org/licenses/>.
16
17AT_BANNER([[Parser Headers.]])
18
19
20## ---------------------- ##
21## %union and --defines. ##
22## ---------------------- ##
23
24
25AT_SETUP([%union and --defines])
26
27AT_DATA([input.y],
28[%union
29{
30 int integer;
31 char *string ;
32}
33%%
34exp: {};
35])
36
37AT_CHECK([bison --defines input.y])
38
39AT_CLEANUP
40
41
42
43## --------------------- ##
44## Invalid CPP headers. ##
45## --------------------- ##
46
47# AT_TEST_CPP_GUARD_H([INPUT-FILE-BASE)
48# -------------------------------------
49m4_define([AT_TEST_CPP_GUARD_H],
50[AT_SETUP([Invalid CPP guards: $1])
51
52# Possibly create inner directories.
53dirname=`AS_DIRNAME([$1])`
54AS_MKDIR_P([$dirname])
55
56AT_DATA_GRAMMAR([$1.y],
57[%{
58#include <$1.h>
59void yyerror (const char *);
60int yylex (void);
61%}
62%%
63dummy:;
64%%
65#include <$1.h>
66])
67
68AT_CHECK([bison --defines=$1.h --output=y.tab.c $1.y])
69
70AT_COMPILE([y.tab.o], [-I. -c y.tab.c])
71
72AT_CLEANUP
73])
74
75AT_TEST_CPP_GUARD_H([input/input])
76AT_TEST_CPP_GUARD_H([9foo])
77
78
79
80## ---------------- ##
81## export YYLTYPE. ##
82## ---------------- ##
83
84
85AT_SETUP([export YYLTYPE])
86
87AT_DATA_GRAMMAR([input.y],
88[%locations
89
90%name-prefix "my_"
91%{
92#include <stdio.h>
93#include <stdlib.h>
94
95static int
96my_lex (void)
97{
98 return EOF;
99}
100
101static void
102my_error (const char *msg)
103{
104 fprintf (stderr, "%s\n", msg);
105}
106
107%}
108%%
109exp:;
110])
111
112AT_CHECK([bison --defines -o input.c input.y])
113
114# YYLTYPE should be defined, and MY_LLOC declared.
115AT_DATA([caller.c],
116[[#include "input.h"
117YYLTYPE *my_llocp = &my_lloc;
118
119int my_parse (void);
120
121int
122main (void)
123{
124 return my_parse ();
125}
126]])
127
128# Link and execute, just to make sure everything is fine (and in
129# particular, that MY_LLOC is indeed defined somewhere).
130AT_COMPILE([caller.o], [-c caller.c])
131AT_COMPILE([input.o], [-c input.c])
132AT_COMPILE([caller], [caller.o input.o])
133AT_PARSER_CHECK([./caller])
134
135AT_CLEANUP