X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/82c035a8238ea0f6a7cdb8d937ba97534ab620dd..427c0dda0c9fb207d8abdd92e3f77f91af9b682d:/tests/calc.at

diff --git a/tests/calc.at b/tests/calc.at
index 90241b35..8875f9cd 100644
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -1,5 +1,5 @@
 # Checking the output filenames.                         -*- Autotest -*-
-# Copyright 2000, 2001 Free Software Foundation, Inc.
+# Copyright (C) 2000, 2001, 2002 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
@@ -61,12 +61,16 @@ static int yygetc (void);
 static void yyungetc (int c);
 
 extern void perror (const char *s);
+
+/* Exercise pre-prologue dependency to %union.  */
+typedef int value_t;
+
 %}
 
-/* Also exercise %union. */
+/* Exercise %union. */
 %union
 {
-  int ival; /* A comment to exercise an old bug. */
+  value_t ival;
 };
 
 /* Bison Declarations */
@@ -90,8 +94,8 @@ input:
 ;
 
 line:
-  '\n'
-| exp '\n' {}
+  '\n'      {}
+| exp '\n'  {}
 ;
 
 exp:
@@ -99,7 +103,7 @@ exp:
 | exp '=' exp
   {
      if ($1 != $3)
-       printf ("calc: error: %d != %d\n", $1, $3);
+       fprintf (stderr, "calc: error: %d != %d\n", $1, $3);
      $$ = $1 == $3;
   }
 | exp '+' exp        { $$ = $1 + $3;        }
@@ -109,6 +113,7 @@ exp:
 | '-' exp  %prec NEG { $$ = -$2;            }
 | exp '^' exp        { $$ = power ($1, $3); }
 | '(' exp ')'        { $$ = $2;             }
+| '(' error ')'      { $$ = 0;              }
 ;
 %%
 /* The input. */
@@ -118,7 +123,7 @@ static void
 yyerror (const char *s)
 {
 #if YYLSP_NEEDED
-  fprintf (stderr, "%d.%d:%d.%d: ",
+  fprintf (stderr, "%d.%d-%d.%d: ",
 	   yylloc.first_line, yylloc.first_column,
 	   yylloc.last_line, yylloc.last_column);
 #endif
@@ -138,7 +143,7 @@ yygetc (void)
   if (res == '\n')
     {
       yylloc.last_line++;
-      yylloc.last_column = 0;
+      yylloc.last_column = 1;
     }
   else
     yylloc.last_column++;
@@ -255,7 +260,7 @@ main (int argc, const char **argv)
   yydebug = 1;
 #endif
 #if YYLSP_NEEDED
-  yylloc.last_column = 0;
+  yylloc.last_column = 1;
   yylloc.last_line = 1;
 #endif
   yyparse ();
@@ -285,7 +290,7 @@ m4_define([_AT_CHECK_CALC],
 [AT_DATA([[input]],
 [[$2
 ]])
-AT_CHECK([calc input], 0, [], [stderr])dnl
+AT_PARSER_CHECK([./calc input], 0, [], [stderr])dnl
 AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0,
          [m4_bmatch([$1], [--debug],
                     [$3], [0])
@@ -312,28 +317,44 @@ AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0,
 # of expected lines on stderr.
 m4_define([_AT_CHECK_CALC_ERROR],
 [m4_bmatch([$2], [^/],
-           [AT_CHECK([calc $2], 0, [], [stderr])],
+           [AT_PARSER_CHECK([./calc $2], 0, [], [stderr])],
            [AT_DATA([[input]],
 [[$2
 ]])
-AT_CHECK([calc input], 0, [], [stderr])])
-
-
-AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0,
-         [m4_bmatch([$1], [--debug],
-                    [$3], [1])
-])
-
-egrep -v '^((Start|Enter|Read|Reduc|Shift)ing|state|Error:) ' stderr >at-stderr
+AT_PARSER_CHECK([./calc input], 0, [], [stderr])])
+
+m4_bmatch([$1], [--debug],
+[AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0, [$3
+])])
+
+# Normalize the observed and expected error messages, depending upon the
+# options.
+# 1. Remove the traces from observed.
+sed '/^Starting/d
+/^Entering/d
+/^Reading/d
+/^Reducing/d
+/^Shifting/d
+/^state/d
+/^Error:/d
+/^Next/d
+/^Discarding/d
+/^yydestructor:/d' stderr >at-stderr
 mv at-stderr stderr
-
-AT_CHECK([cat stderr], 0,
-[m4_bmatch([$1], [--location], [$4: ])[]dnl
-parse error[]dnl
-m4_bmatch([$1], [--yyerror-verbose], [, $5])[]dnl
-
+# 2. Create the reference error message.
+AT_DATA([[expout]],
+[$4
 ])
-
+# 3. If locations are not used, remove them.
+m4_bmatch([$1], [--location], [],
+[[sed 's/^[-0-9.]*: //' expout >at-expout
+mv at-expout expout]])
+# 4. If error-verbose is not used, strip the`, unexpected....' part.
+m4_bmatch([$1], [--yyerror-verbose], [],
+[[sed 's/parse error, .*$/parse error/' expout >at-expout
+mv at-expout expout]])
+# 5. Check
+AT_CHECK([cat stderr], 0, [expout])
 ])
 
 
@@ -351,7 +372,7 @@ AT_DATA_CALC_Y([$1])
 AT_CHECK([bison calc.y -o calc.c m4_bpatsubst([$1], [--yyerror-verbose])],
          [0], [], [])
 
-AT_CHECK([$CC $CFLAGS $CPPFLAGS calc.c -o calc], 0, [], [ignore])
+AT_COMPILE([calc])
 
 # Test the priorities.
 _AT_CHECK_CALC([$1],
@@ -370,30 +391,35 @@ _AT_CHECK_CALC([$1],
 (2^2)^3 = 64], [486])
 
 # Some parse errors.
-_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],
-                     [unexpected '/', expecting "number" or '-' or '('])
+_AT_CHECK_CALC_ERROR([$1], [0 0], [11],
+                     [1.3-1.4: parse error, unexpected "number"])
+_AT_CHECK_CALC_ERROR([$1], [1//2], [15],
+                     [1.3-1.4: parse error, unexpected '/', expecting "number" or '-' or '('])
 _AT_CHECK_CALC_ERROR([$1], [error], [4],
-                     [1.0:1.1],
-                     [unexpected $undefined., expecting "number" or '-' or '\n' or '('])
-_AT_CHECK_CALC_ERROR([$1], [1 = 2 = 3], [19],
-                     [1.6:1.7],
-                     [unexpected '='])
+                     [1.1-1.2: parse error, unexpected $undefined, expecting "number" or '-' or '\n' or '('])
+_AT_CHECK_CALC_ERROR([$1], [1 = 2 = 3], [22],
+                     [1.7-1.8: parse error, unexpected '='])
 _AT_CHECK_CALC_ERROR([$1],
                      [
 +1],
-                     [13],
-                     [2.0:2.1],
-                     [unexpected '+'])
+                     [14],
+                     [2.1-2.2: parse error, 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_CHECK_CALC_ERROR([$1], [/dev/null], [4],
+                     [1.1-1.2: parse error, unexpected "end of file", expecting "number" or '-' or '\n' or '('])
+
+# Exercise the error token: without it, we die at the first error,
+# hence be sure i. to have several errors, ii. to test the action
+# associated to `error'.
+_AT_CHECK_CALC_ERROR([$1], [(1 ++ 2) + (0 0) = 1], [82],
+[1.5-1.6: parse error, unexpected '+', expecting "number" or '-' or '('
+1.15-1.16: parse error, unexpected "number"
+calc: error: 0 != 1])
+
+# Add a studid example demonstrating that Bison can further improve the
+# error message.  FIXME: Fix this ridiculous message.
+_AT_CHECK_CALC_ERROR([$1], [()], [21],
+[1.2-1.3: parse error, unexpected ')', expecting "number" or '-' or '('])
 
 AT_CLEANUP
 ])# AT_CHECK_CALC