* tests/actions.at (Printers and Destructors): Improve.
Avoid unsigned vs. signed issues.
* tests/calc.at: Don't exercise the scanner here, do it...
* tests/input.at (Torturing the Scanner): here.
+2002-06-30 Akim Demaille <akim@epita.fr>
+
+ Make the test suite pass with warnings checked.
+
+ * tests/actions.at (Printers and Destructors): Improve.
+ Avoid unsigned vs. signed issues.
+ * tests/calc.at: Don't exercise the scanner here, do it...
+ * tests/input.at (Torturing the Scanner): here.
+
+
2002-06-28 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
* data/glr.c: Correct typo in Emacs-mode directive. Slightly
%{
static int yylex (void);
static void yyerror (const char *msg);
-static void yyprint (FILE *out, int num, YYSTYPE val);
%}
can be reduced. */
'x', 'x', 'x', 'x', 'x', 'x', ';',
- /* Load the stack and provoke an error that cannot be caught be
- the grammar, and check that the stack is cleared. */
+ /* Load the stack and provoke an error that cannot be caught by
+ the grammar, to check that the stack is cleared. */
'x', 'x', ';',
'x', ';',
'y'
};
- static int counter = 0;
+ static unsigned int counter = 0;
if (counter < (sizeof(input) / sizeof (input[0])))
{
yylval.ival = counter;
- printf ("sending: '%c' (line %d)\n", input[counter], counter);
/* As in BASIC, line numbers go from 10 to 10. */
yylloc.first_line = 10 * counter;
- return input[counter++];
+ printf ("sending: '%c' (value = %d, line %d)\n",
+ input[counter], yylval.ival, yylloc.first_line);
+ return (int) input[counter++];
}
else
{
AT_CHECK([bison input.y --location -d -v -o input.c])
AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -o input], 0, [], [ignore])
AT_CHECK([./input], 1,
-[[sending: 'x' (line 0)
+[[sending: 'x' (value = 0, line 0)
thing(0): 'x'(0)
-sending: 'x' (line 1)
+sending: 'x' (value = 1, line 10)
thing(1): 'x'(1)
-sending: 'x' (line 2)
+sending: 'x' (value = 2, line 20)
thing(2): 'x'(2)
-sending: 'x' (line 3)
+sending: 'x' (value = 3, line 30)
30: parse error, unexpected 'x', expecting ';'
Freeing nterm thing (2 from 20)
Freeing nterm thing (1 from 10)
Freeing nterm thing (0 from 0)
Freeing token 'x' (3 from 30)
-sending: 'x' (line 4)
+sending: 'x' (value = 4, line 40)
Freeing token 'x' (4 from 40)
-sending: 'x' (line 5)
+sending: 'x' (value = 5, line 50)
Freeing token 'x' (5 from 50)
-sending: ';' (line 6)
+sending: ';' (value = 6, line 60)
line(-1): error ';'
-sending: 'x' (line 7)
+sending: 'x' (value = 7, line 70)
thing(7): 'x'(7)
-sending: 'x' (line 8)
+sending: 'x' (value = 8, line 80)
thing(8): 'x'(8)
-sending: ';' (line 9)
+sending: ';' (value = 9, line 90)
line(7): thing(7) thing(8) ';'
-sending: 'x' (line 10)
+sending: 'x' (value = 10, line 100)
thing(10): 'x'(10)
-sending: ';' (line 11)
+sending: ';' (value = 11, line 110)
line(10): thing(10) ';'
-sending: 'y' (line 12)
+sending: 'y' (value = 12, line 120)
120: parse error, unexpected $undefined., expecting $ or error or 'x'
sending: EOF
Freeing nterm line (10 from 100)
%}
-/* Exercise M4 quoting: '@:>@@:>@', 0. */
-
-/* Also exercise %union. */
+/* Exercise %union. */
%union
{
- value_t ival; /* A comment to exercise an old bug. */
+ value_t ival;
};
-/* Exercise post-prologue dependency to %union. */
-%{
-static void id (YYSTYPE *lval);
-
-/* Exercise quotes in declarations. */
-char quote[] = "@:>@@:>@,";
-%}
-
/* Bison Declarations */
%token CALC_EOF 0 "end of file"
%token <ival> NUM "number"
%type <ival> exp
-/* Exercise quotes in strings. */
-%token FAKE "fake @>:@@>:@,"
-
%nonassoc '=' /* comparison */
%left '-' '+'
%left '*' '/'
;
line:
- '\n'
-| exp '\n'
- {
- /* Exercise quotes in braces. */
- char tmp[] = "@>:@@:>@,";
- }
+ '\n' {}
+| exp '\n' {}
;
-/* Exercise M4 quoting: '@:>@@:>@', 1. */
exp:
NUM { $$ = $1; }
| exp '=' exp
/* The input. */
FILE *yyin;
-/* Exercise M4 quoting: '@:>@@:>@', 2. */
static void
yyerror (const char *s)
{
return res;
}
-void
-id (YYSTYPE* lval)
-{
-}
-
int
main (int argc, const char **argv)
{
# Mostly test that we are robust to mistakes.
-## ----------------------- ##
-## Torturing the Scanner. ##
-## ----------------------- ##
-
-AT_SETUP([Torturing the Scanner])
-
-AT_DATA([input.y],
-[[%{
-/* This is seen in GCC: a %{ and %} in middle of a comment. */
-const char *foo = "So %{ and %} can be here.";
-%}
-/* %{ and %} can be here too. */
-
-%%
-exp: 'a';
-]])
-
-AT_CHECK([bison input.y])
-
-AT_CLEANUP
-
-
-
-
## ------------ ##
## Invalid $n. ##
## ------------ ##
]])
AT_CLEANUP
+
+
+
+## ----------------------- ##
+## Torturing the Scanner. ##
+## ----------------------- ##
+
+# Be sure to compile and run, so that the C compiler checks what
+# we do.
+
+AT_SETUP([Torturing the Scanner])
+
+AT_DATA([input.y],
+[[%{
+/* This is seen in GCC: a %{ and %} in middle of a comment. */
+const char *foo = "So %{ and %} can be here too.";
+
+#include <stdio.h>
+%}
+/* %{ and %} can be here too. */
+
+%{
+/* Exercise pre-prologue dependency to %union. */
+typedef int value_t;
+%}
+
+/* Exercise M4 quoting: '@:>@@:>@', 0. */
+
+/* Also exercise %union. */
+%union
+{
+ value_t ival; /* A comment to exercise an old bug. */
+};
+
+
+/* Exercise post-prologue dependency to %union. */
+%{
+static YYSTYPE value_t_as_yystype (value_t val);
+
+/* Exercise quotes in declarations. */
+char quote[] = "@:>@@:>@,";
+%}
+
+%{
+static void yyerror (const char *s);
+static int yylex (void);
+%}
+
+%type <ival> '1'
+
+/* Exercise quotes in strings. */
+%token FAKE "fake @<:@@:>@,"
+
+%%
+/* Exercise M4 quoting: '@:>@@:>@', 1. */
+exp: '1'
+ {
+ /* Exercise quotes in braces. */
+ char tmp[] = "@<:@%c@:>@,\n";
+ printf (tmp, $1);
+ }
+;
+%%
+/* Exercise M4 quoting: '@:>@@:>@', 2. */
+
+static YYSTYPE
+value_t_as_yystype (value_t val)
+{
+ YYSTYPE res;
+ res.ival = val;
+ return res;
+}
+
+static int
+yylex (void)
+{
+ static const char *input = "1";
+ yylval = value_t_as_yystype (*input);
+ return *input++;
+}
+
+static void
+yyerror (const char *msg)
+{
+ fprintf (stderr, "%s\n", msg);
+}
+]])
+
+AT_DATA([main.c],
+[[typedef int value_t;
+#include "input.h"
+
+int yyparse (void);
+
+int
+main (void)
+{
+ return yyparse ();
+}
+]])
+
+AT_CHECK([bison input.y -d -v -o input.c])
+AT_CHECK([$CC $CFLAGS $CPPFLAGS main.c input.c -o input], 0, [], [ignore])
+AT_CHECK([./input], 0,
+[[[1],
+]])
+
+AT_CLEANUP