Use bitset operations when possible, not loops over bits.

[bison.git] / tests / calc.at

diff --git a/tests/calc.at b/tests/calc.at
index 87053158817ca4d2956b2f5181c2a6148339ce32..f813c462949857c2118c3a6866e8a3b409aa9e67 100644 (file)
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -53,7 +53,6 @@ AT_DATA([calc.y],
 char *strcat(char *dest, const char *src);
 #endif
 #include <ctype.h>
 char *strcat(char *dest, const char *src);
 #endif
 #include <ctype.h>

-]$4[

 
 static int power (int base, int exponent);
 static void yyerror (const char *s);
 
 static int power (int base, int exponent);
 static void yyerror (const char *s);


@@ -64,8 +63,16 @@ static void yyungetc (int c);
 extern void perror (const char *s);
 %}
 
 extern void perror (const char *s);
 %}
 

-/* BISON Declarations */
-%token NUM
+/* Also exercise %union. */
+%union
+{
+  int ival; /* A comment to exercise an old bug. */
+};
+
+/* Bison Declarations */
+%token CALC_EOF 0 "end of file"
+%token <ival> NUM "number"
+%type  <ival> exp

 
 %nonassoc '=' /* comparison           */
 %left '-' '+'
 
 %nonassoc '=' /* comparison           */
 %left '-' '+'


@@ -73,16 +80,18 @@ extern void perror (const char *s);
 %left NEG     /* negation--unary minus */
 %right '^'    /* exponentiation        */
 
 %left NEG     /* negation--unary minus */
 %right '^'    /* exponentiation        */
 

+]$4[
+

 /* Grammar follows */
 %%
 input:
 /* Grammar follows */
 %%
 input:

-  /* empty string */
+  line

 | input line
 ;
 
 line:
   '\n'
 | input line
 ;
 
 line:
   '\n'

-| exp '\n'
+| exp '\n' {}

 ;
 
 exp:
 ;
 
 exp:


@@ -116,11 +125,16 @@ yyerror (const char *s)
   fprintf (stderr, "%s\n", s);
 }
 
   fprintf (stderr, "%s\n", s);
 }
 

+
+#if YYLSP_NEEDED
+static YYLTYPE last_yylloc;
+#endif

 static int
 yygetc (void)
 {
   int res = getc (yyin);
 #if YYLSP_NEEDED
 static int
 yygetc (void)
 {
   int res = getc (yyin);
 #if YYLSP_NEEDED

+  last_yylloc = yylloc;

   if (res == '\n')
     {
       yylloc.last_line++;
   if (res == '\n')
     {
       yylloc.last_line++;


@@ -138,7 +152,7 @@ yyungetc (int c)
 {
 #if YYLSP_NEEDED
   /* Wrong when C == `\n'. */
 {
 #if YYLSP_NEEDED
   /* Wrong when C == `\n'. */

-  yylloc.last_column--;
+  yylloc = last_yylloc;

 #endif
   ungetc (c, yyin);
 }
 #endif
   ungetc (c, yyin);
 }


@@ -198,13 +212,13 @@ yylex (void)
   if (c == '.' || isdigit (c))
     {
       yyungetc (c);
   if (c == '.' || isdigit (c))
     {
       yyungetc (c);

-      yylval = read_signed_integer ();
+      yylval.ival = read_signed_integer ();

       return NUM;
     }
 
   /* Return end-of-file.  */
   if (c == EOF)
       return NUM;
     }
 
   /* Return end-of-file.  */
   if (c == EOF)

-    return 0;
+    return CALC_EOF;

 
   /* Return single chars. */
   return c;
 
   /* Return single chars. */
   return c;


@@ -256,8 +270,8 @@ main (int argc, const char **argv)
 # Produce `calc.y'.
 m4_define([AT_DATA_CALC_Y],
 [_AT_DATA_CALC_Y($[1], $[2], $[3],
 # Produce `calc.y'.
 m4_define([AT_DATA_CALC_Y],
 [_AT_DATA_CALC_Y($[1], $[2], $[3],

-                 [m4_match([$1], [--yyerror-verbose],
-                           [[#define YYERROR_VERBOSE 1]])])])
+                 [m4_bmatch([$1], [--yyerror-verbose],
+                            [[%error-verbose]])])])

 
 
 
 
 
 


@@ -271,10 +285,10 @@ m4_define([_AT_CHECK_CALC],
 [AT_DATA([[input]],
 [[$2
 ]])
 [AT_DATA([[input]],
 [[$2
 ]])

-AT_CHECK([calc input], 0, [], [stderr])dnl
+AT_CHECK([./calc input], 0, [], [stderr])dnl

 AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0,
 AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0,

-         [m4_match([$1], [--debug],
-                   [$3], [0])
+         [m4_bmatch([$1], [--debug],
+                    [$3], [0])

 ])
 ])
 
 ])
 ])
 


@@ -284,6 +298,9 @@ AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0,
 # ------------------------------------------------------------
 # Run `calc' on INPUT, and expect a `parse error' message.
 #
 # ------------------------------------------------------------
 # Run `calc' on INPUT, and expect a `parse error' message.
 #

+# If INPUT starts with a slash, it is used as absolute input file name,
+# otherwise as contents.
+#

 # If BISON-OPTIONS contains `--location', then make sure the ERROR-LOCATION
 # is correctly output on stderr.
 #
 # If BISON-OPTIONS contains `--location', then make sure the ERROR-LOCATION
 # is correctly output on stderr.
 #


@@ -294,25 +311,26 @@ AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0,
 # If BISON-OPTIONS contains `--debug', then NUM-STDERR-LINES is the number
 # of expected lines on stderr.
 m4_define([_AT_CHECK_CALC_ERROR],
 # If BISON-OPTIONS contains `--debug', then NUM-STDERR-LINES is the number
 # of expected lines on stderr.
 m4_define([_AT_CHECK_CALC_ERROR],

-[AT_DATA([[input]],
+[m4_bmatch([$2], [^/],
+           [AT_CHECK([./calc $2], 0, [], [stderr])],
+           [AT_DATA([[input]],

 [[$2
 ]])
 [[$2
 ]])

-
-AT_CHECK([calc input], 0, [], [stderr])
+AT_CHECK([./calc input], 0, [], [stderr])])

 
 
 AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0,
 
 
 AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0,

-         [m4_match([$1], [--debug],
-                   [$3], [1])
+         [m4_bmatch([$1], [--debug],
+                    [$3], [1])

 ])
 
 egrep -v '^((Start|Enter|Read|Reduc|Shift)ing|state|Error:) ' stderr >at-stderr
 mv at-stderr stderr
 
 AT_CHECK([cat stderr], 0,
 ])
 
 egrep -v '^((Start|Enter|Read|Reduc|Shift)ing|state|Error:) ' stderr >at-stderr
 mv at-stderr stderr
 
 AT_CHECK([cat stderr], 0,

-[m4_match([$1], [--location], [$4: ])[]dnl
+[m4_bmatch([$1], [--location], [$4: ])[]dnl

 parse error[]dnl
 parse error[]dnl

-m4_match([$1], [--yyerror-verbose], [, $5])[]dnl
+m4_bmatch([$1], [--yyerror-verbose], [, $5])[]dnl

 
 ])
 
 
 ])
 


@@ -330,9 +348,10 @@ AT_SETUP([Calculator $1])
 AT_DATA_CALC_Y([$1])
 
 # Specify the output files to avoid problems on different file systems.
 AT_DATA_CALC_Y([$1])
 
 # Specify the output files to avoid problems on different file systems.

-AT_CHECK([bison calc.y -o calc.c m4_patsubst([$1], [--yyerror-verbose])],
+AT_CHECK([bison calc.y -o calc.c m4_bpatsubst([$1], [--yyerror-verbose])],

          [0], [], [])
          [0], [], [])

-AT_CHECK([$CC $CFLAGS $CPPFLAGS calc.c -o calc], 0, [], [])
+
+AT_CHECK([$CC $CFLAGS $CPPFLAGS calc.c -o calc], 0, [], [ignore])

 
 # Test the priorities.
 _AT_CHECK_CALC([$1],
 
 # Test the priorities.
 _AT_CHECK_CALC([$1],


@@ -348,29 +367,35 @@ _AT_CHECK_CALC([$1],
 1 - (2 - 3) = 2
 
 2^2^3 = 256
 1 - (2 - 3) = 2
 
 2^2^3 = 256

-(2^2)^3 = 64], [491])
+(2^2)^3 = 64], [486])

 
 # Some parse errors.
 
 # Some parse errors.

-_AT_CHECK_CALC_ERROR([$1], [+1], [8],
-                     [1.0:1.1],
-                     [unexpected `'+''])
-_AT_CHECK_CALC_ERROR([$1], [1//2], [17],
+_AT_CHECK_CALC_ERROR([$1], [0 0], [10],
+                     [1.2:1.3],
+                     [unexpected "number"])
+_AT_CHECK_CALC_ERROR([$1], [1//2], [13],

                      [1.2:1.3],
                      [1.2:1.3],

-                     [unexpected `'/'', expecting `NUM' or `'-'' or `'(''])
-_AT_CHECK_CALC_ERROR([$1], [error], [8],
+                     [unexpected '/', expecting "number" or '-' or '('])
+_AT_CHECK_CALC_ERROR([$1], [error], [4],

                      [1.0:1.1],
                      [1.0:1.1],

-                     [unexpected `$undefined.'])
-_AT_CHECK_CALC_ERROR([$1], [1 = 2 = 3], [23],
+                     [unexpected $undefined., expecting "number" or '-' or '\n' or '('])
+_AT_CHECK_CALC_ERROR([$1], [1 = 2 = 3], [19],

                      [1.6:1.7],
                      [1.6:1.7],

-                     [unexpected `'=''])
+                     [unexpected '='])

 _AT_CHECK_CALC_ERROR([$1],
                      [
 +1],
 _AT_CHECK_CALC_ERROR([$1],
                      [
 +1],

-                     [16],
+                     [13],

                      [2.0:2.1],
                      [2.0:2.1],

-                     [unexpected `'+''])
+                     [unexpected '+'])
+# Exercise error messages with EOF: work on an empty file.
+_AT_CHECK_CALC_ERROR([$1],
+                     [/dev/null],
+                     [4],
+                     [1.0:1.1],
+                     [unexpected "end of file", expecting "number" or '-' or '\n' or '('])

 
 

-AT_CLEANUP(calc calc.c calc.h calc.output)
+AT_CLEANUP

 ])# AT_CHECK_CALC
 
 
 ])# AT_CHECK_CALC