AT_BISON_OPTION_POPDEFS
AT_BISON_CHECK([-v -o input.c input.y], 0, [],
-[[input.y:6.8-14: warning: symbol "<=" used more than once as a literal string
+[[input.y:6.8-14: warning: symbol "<=" used more than once as a literal string [-Wother]
]])
AT_CLEANUP
]])
AT_BISON_CHECK([input.y], [1], [],
-[[input.y:2.1: invalid character: '?'
-input.y:3.14: invalid character: '}'
-input.y:4.1: invalid character: '%'
-input.y:4.2: invalid character: '&'
-input.y:5.1-17: invalid directive: '%a-does-not-exist'
-input.y:6.1: invalid character: '%'
-input.y:6.2: invalid character: '-'
-input.y:7.1-8.0: missing '%}' at end of file
-input.y:7.1-8.0: syntax error, unexpected %{...%}
+[[input.y:2.1: error: invalid character: '?'
+input.y:3.14: error: invalid character: '}'
+input.y:4.1: error: invalid character: '%'
+input.y:4.2: error: invalid character: '&'
+input.y:5.1-17: error: invalid directive: '%a-does-not-exist'
+input.y:6.1: error: invalid character: '%'
+input.y:6.2: error: invalid character: '-'
+input.y:7.1-8.0: error: missing '%}' at end of file
+input.y:7.1-8.0: error: syntax error, unexpected %{...%}
]])
AT_CLEANUP
]])
AT_BISON_CHECK([input.y], [1], [],
-[[input.y:3.1-15: syntax error, unexpected %initial-action, expecting {...}
+[[input.y:3.1-15: error: syntax error, unexpected %initial-action, expecting {...}
]])
AT_CLEANUP
exp: "a" "\\\'\?\"\a\b\f\n\r\t\v\001\201\x001\x000081??!";
%%
]AT_YYERROR_DEFINE[
-
-int
-yylex (void)
-{
- static int called;
- if (called++)
- abort ();
- return SPECIAL;
-}
+]AT_YYLEX_DEFINE([{ SPECIAL }])[
int
main (void)
# C-string literal. Also notice that unnecessary escaping, such as "\?", from
# the user specification is eliminated.
AT_BISON_CHECK([-o input.c input.y], [[0]], [[]],
-[[input.y:22.8-14: warning: symbol SPECIAL redeclared
-input.y:22.8-63: warning: symbol "\\'?\"\a\b\f\n\r\t\v\001\201\001\201??!" used more than once as a literal string
+[[input.y:22.8-14: warning: symbol SPECIAL redeclared [-Wother]
+input.y:22.8-63: warning: symbol "\\'?\"\a\b\f\n\r\t\v\001\201\001\201??!" used more than once as a literal string [-Wother]
]])
AT_COMPILE([input])
# so that possible bound checking compilers could check all the skeletons.
m4_define([_AT_DATA_DANCER_Y],
[AT_DATA_GRAMMAR([dancer.y],
-[%{
-static int yylex (AT_LALR1_CC_IF([int *], [void]));
-AT_LALR1_CC_IF([#include <cstdlib>],
-[#include <stdlib.h>
-#include <stdio.h>
-]AT_YYERROR_DECLARE[])
-%}
+[[%code provides
+{
+ ]AT_YYERROR_DECLARE[
+ ]AT_YYLEX_DECLARE[
+}
$1
%token ARROW INVALID NUMBER STRING DATA
%defines
| INVALID
;
%%
-AT_YYERROR_DEFINE[
+]AT_YYERROR_DEFINE[
+]AT_YYLEX_DEFINE([":"])[
]AT_LALR1_CC_IF(
[int
yyparse ()
#endif
return parser.parse ();
}
-])
-
-#include <assert.h>
-static int
-yylex (AT_LALR1_CC_IF([int *lval], [void]))
-[{
- static int const tokens[] =
- {
- ':', -1
- };
- static size_t toknum;
- ]AT_LALR1_CC_IF([*lval = 0; /* Pacify GCC. */])[
- assert (toknum < sizeof tokens / sizeof *tokens);
- return tokens[toknum++];
-}]
+])[
int
main (void)
{
return yyparse ();
}
-])
+]])
])# _AT_DATA_DANCER_Y
[AT_SETUP([Dancer $1])
AT_BISON_OPTION_PUSHDEFS([$1])
_AT_DATA_DANCER_Y([$1])
-AT_BISON_CHECK([-o dancer.c dancer.y])
AT_FULL_COMPILE([dancer])
AT_PARSER_CHECK([./dancer], 1, [],
[syntax error, unexpected ':'
[AT_SETUP([Expecting two tokens $1])
AT_BISON_OPTION_PUSHDEFS([$1])
_AT_DATA_EXPECT2_Y([$1])
-AT_BISON_CHECK([-o expect2.c expect2.y])
AT_FULL_COMPILE([expect2])
AT_PARSER_CHECK([./expect2], 1, [],
[syntax error, unexpected '+', expecting A or B
%printer { fprintf (yyoutput, "PRINTER"); } 'a';
%%
-
]AT_YYERROR_DEFINE[
-static int
-yylex (void)
-{
- return 'a';
-}
+]AT_YYLEX_DEFINE(["a"])[
int
main (void)
%%
]AT_YYERROR_DEFINE[
-int
-yylex (void)
-{
- static int const input[] = { 1, 2, 3, 0 };
- static int const *inputp = input;
- return *inputp++;
-}
+]AT_YYLEX_DEFINE([{ 1, 2, 3, 0 }])[
int
main (void)
AT_BISON_OPTION_POPDEFS
AT_BISON_CHECK([[-o input.c input.y]], [[0]],,
-[[input.y:23.5-19: warning: rule useless in parser due to conflicts: start: start
-input.y:27.5-19: warning: rule useless in parser due to conflicts: sr_conflict: TK2 "tok alias"
+[[input.y:23.5-19: warning: rule useless in parser due to conflicts: start: start [-Wother]
+input.y:27.5-19: warning: rule useless in parser due to conflicts: sr_conflict: TK2 "tok alias" [-Wother]
]])
AT_COMPILE([[input]])
AT_PARSER_CHECK([[./input]])
/* Induce two syntax error messages (which requires full error
recovery by shifting 3 tokens) in order to detect any loss of the
reallocated buffer. */
-]AT_YYLEX_DEFINE([abc])[
+]AT_YYLEX_DEFINE(["abc"])[
int
main (void)
{
]AT_YYERROR_DEFINE[
/* Induce two syntax error messages (which requires full error
recovery by shifting 3 tokens). */
-]AT_YYLEX_DEFINE([abc])[
+]AT_YYLEX_DEFINE(["abc"])[
int
main (void)
{
AT_BISON_CHECK([[-Dparse.lac=full -Dparse.lac.es-capacity-initial=1 \
-Dparse.lac.memory-trace=full \
-t -o input.c input.y]], [[0]], [],
-[[input.y: conflicts: 21 shift/reduce
+[[input.y: warning: 21 shift/reduce conflicts [-Wconflicts-sr]
]])
AT_COMPILE([[input]])
AT_PARSER_CHECK([[./input > stdout.txt 2> stderr.txt]], [[1]])
%%
]AT_YYERROR_DEFINE[
-]AT_YYLEX_DEFINE([$1])[
+]AT_YYLEX_DEFINE(["$1"])[
int
main (void)
{
AT_BISON_CHECK([[-Dparse.lac=full -Dparse.lac.es-capacity-initial=1 \
-t -o input.c input.y]], [[0]], [],
-[[input.y: conflicts: 8 shift/reduce
+[[input.y: warning: 8 shift/reduce conflicts [-Wconflicts-sr]
]])
AT_COMPILE([[input]])
AT_BISON_OPTION_POPDEFS
m4_popdef([AT_LAC_CHECK])
AT_CLEANUP
+
+
+## ---------------------- ##
+## Lex and parse params. ##
+## ---------------------- ##
+
+# AT_TEST(SKELETON)
+# -----------------
+# Check that the identifier of the params is properly fetched
+# even when there are trailing blanks.
+
+m4_pushdef([AT_TEST],
+[AT_SETUP([[Lex and parse params: $1]])
+
+AT_BISON_OPTION_PUSHDEFS([%locations %skeleton $1])
+
+## FIXME: Improve parsing of parse-param and use the generated
+## yyerror.
+AT_DATA_GRAMMAR([input.y],
+[[%defines
+%locations
+%skeleton $1
+%union { int ival; }
+%parse-param { int x }
+// Spaces, tabs, and new lines.
+%parse-param { @&t@
+ int y @&t@
+ @&t@
+ @&t@
+}
+
+%{
+#include <stdio.h>
+#include <stdlib.h>
+
+]AT_SKEL_CC_IF([], [[
+static
+void
+yyerror (int x, int y, const char *msg)
+{
+ fprintf (stderr, "x: %d, y: %d, %s\n", x, y, msg);
+}]])[
+
+ ]AT_YYLEX_DECLARE[
+%}
+
+%%
+exp: 'a' { fprintf (stdout, "x: %d, y: %d\n", x, y); };
+%%
+]AT_YYLEX_DEFINE(["a"])[
+
+]AT_SKEL_CC_IF(
+[AT_YYERROR_DEFINE
+
+int
+yyparse (int x, int y)
+{
+ yy::parser parser(x, y);
+ return parser.parse ();
+}
+])[
+
+int
+main (void)
+{
+ return !!yyparse(1, 2);
+}
+]])
+
+AT_FULL_COMPILE([input])
+AT_CHECK([./input], 0, [[x: 1, y: 2
+]])
+AT_BISON_OPTION_POPDEFS
+
+AT_CLEANUP
+])
+
+## FIXME: test Java, and iterate over skeletons.
+AT_TEST("yacc.c")
+AT_TEST("glr.c")
+AT_TEST("lalr1.cc")
+AT_TEST("glr.cc")
+
+m4_popdef([AT_TEST])