Don't allow an undeclared string literal, but allow a string literal to

[bison.git] / tests / sets.at

diff --git a/tests/sets.at b/tests/sets.at
index 2c447cd232b7d0eedf940ea4fe89b8e78ec73e4d..941d0cc257a42d7c0f30e2d705995019e1905c63 100644 (file)
--- a/tests/sets.at
+++ b/tests/sets.at
@@ -1,5 +1,5 @@
 # Exercising Bison Grammar Sets.                      -*- Autotest -*-
-# Copyright 2001, 2002 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2002, 2005 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
@@ -13,8 +13,9 @@
 
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
 
 # AT_EXTRACT_SETS(INPUT, OUTPUT)
 # ------------------------------
@@ -25,28 +26,28 @@ m4_define([AT_EXTRACT_SETS],
 [AT_DATA([extract.sed],
 [[#n
 /^NULLABLE$/ {
-   :nullable
+   :null
    p
    n
-   /^[         ]*$/! b nullable
+   /^[  ]*$/ !b null
 }
 /^FIRSTS$/ {
    :firsts
    p
    n
-   /^[         ]*$/! b firsts
+   /^[  ]*$/ !b firsts
 }
 /^FDERIVES$/ {
-   :fderives
+   :fderiv
    p
    n
-   /^[         ]*$/! b fderives
+   /^[  ]*$/ !b fderiv
 }
 /^DERIVES$/ {
-   :derives
+   :deriv
    p
    n
-   /^[         ]*$/! b derives
+   /^[  ]*$/ !b deriv
 }
 ]])
 AT_CHECK([sed -f extract.sed $1], 0, [stdout])
@@ -77,32 +78,32 @@ AT_DATA([[input.y]],
 e: 'e' | /* Nothing */;
 ]])
 
-AT_CHECK([[bison --trace input.y]], [], [], [stderr])
+AT_CHECK([[bison --trace=sets input.y]], [], [], [stderr])
 AT_EXTRACT_SETS([stderr], [sets])
 AT_CHECK([[cat sets]], [],
 [[DERIVES
-       $axiom derives
-               1: e $ (rule 0)
+       $accept derives
+                 0  e $end
        e derives
-               2: 'e' (rule 1)
-               3: (rule 2)
+                 1  'e'
+                 2  /* empty */
 NULLABLE
-       $axiom: no
+       $accept: no
        e: yes
 FIRSTS
-       $axiom firsts
-               4 ($axiom)
-               5 (e)
+       $accept firsts
+               $accept
+               e
        e firsts
-               5 (e)
+               e
 FDERIVES
-       $axiom derives
-               0: e $
-               1: 'e'
-               2:
+       $accept derives
+                 0  e $end
+                 1  'e'
+                 2  /* empty */
        e derives
-               1: 'e'
-               2:
+                 1  'e'
+                 2  /* empty */
 ]])
 
 AT_CLEANUP
@@ -161,24 +162,24 @@ g: h;
 h: 'h';
 ]])
 
-AT_CHECK([[bison --trace input.y]], [], [], [stderr])
+AT_CHECK([[bison --trace=sets input.y]], [], [], [stderr])
 
-AT_CHECK([[sed -n 's/[  ]*$//;/^TC: Output BEGIN/,/^TC: Output END/p' stderr]], [],
-[[TC: Output BEGIN
+AT_CHECK([[sed -n 's/[  ]*$//;/^RTC: Firsts Output BEGIN/,/^RTC: Firsts Output END/p' stderr]], [],
+[[RTC: Firsts Output BEGIN
 
    012345678
   .---------.
- 0| 11111111|
- 1|  1111111|
- 2|   111111|
- 3|    11111|
- 4|     1111|
- 5|      111|
- 6|       11|
- 7|        1|
- 8|         |
+ 0|111111111|
+ 1| 11111111|
+ 2|  1111111|
+ 3|   111111|
+ 4|    11111|
+ 5|     1111|
+ 6|      111|
+ 7|       11|
+ 8|        1|
   `---------'
-TC: Output END
+RTC: Firsts Output END
 ]])
 
 AT_CLEANUP
@@ -195,6 +196,7 @@ AT_DATA([input.y],
 [[%nonassoc '<' '>'
 %left '+' '-'
 %right '^' '='
+%token EXP "exp"
 %%
 exp:
    exp '<' exp
@@ -207,47 +209,95 @@ exp:
  ;
 ]])
 
-AT_CHECK([[bison --trace input.y]], [], [], [stderr])
+AT_CHECK([[bison --trace=sets input.y]], [], [], [stderr])
 AT_EXTRACT_SETS([stderr], [sets])
 AT_CHECK([[cat sets]], [],
 [[DERIVES
-       $axiom derives
-               1: exp $ (rule 0)
+       $accept derives
+                 0  exp $end
        exp derives
-               2: exp '<' exp (rule 1)
-               3: exp '>' exp (rule 2)
-               4: exp '+' exp (rule 3)
-               5: exp '-' exp (rule 4)
-               6: exp '^' exp (rule 5)
-               7: exp '=' exp (rule 6)
-               8: "exp" (rule 7)
+                 1  exp '<' exp
+                 2  exp '>' exp
+                 3  exp '+' exp
+                 4  exp '-' exp
+                 5  exp '^' exp
+                 6  exp '=' exp
+                 7  "exp"
 NULLABLE
-       $axiom: no
+       $accept: no
        exp: no
 FIRSTS
-       $axiom firsts
-               10 ($axiom)
-               11 (exp)
+       $accept firsts
+               $accept
+               exp
        exp firsts
-               11 (exp)
+               exp
 FDERIVES
-       $axiom derives
-               0: exp $
-               1: exp '<' exp
-               2: exp '>' exp
-               3: exp '+' exp
-               4: exp '-' exp
-               5: exp '^' exp
-               6: exp '=' exp
-               7: "exp"
+       $accept derives
+                 0  exp $end
+                 1  exp '<' exp
+                 2  exp '>' exp
+                 3  exp '+' exp
+                 4  exp '-' exp
+                 5  exp '^' exp
+                 6  exp '=' exp
+                 7  "exp"
        exp derives
-               1: exp '<' exp
-               2: exp '>' exp
-               3: exp '+' exp
-               4: exp '-' exp
-               5: exp '^' exp
-               6: exp '=' exp
-               7: "exp"
+                 1  exp '<' exp
+                 2  exp '>' exp
+                 3  exp '+' exp
+                 4  exp '-' exp
+                 5  exp '^' exp
+                 6  exp '=' exp
+                 7  "exp"
+]])
+
+AT_CLEANUP
+
+
+
+
+## -------- ##
+## Accept.  ##
+## -------- ##
+
+# In some weird cases Bison could compute an incorrect final state
+# number.  This happens only if the $end token is used in the user
+# grammar, which is a very suspicious accidental feature introduced as
+# a side effect of allowing the user to name $end using `%token END 0
+# "end of file"'.
+
+AT_SETUP([Accept])
+
+AT_DATA([input.y],
+[[%token END 0
+%%
+input:
+  'a'
+| '(' input ')'
+| '(' error END
+;
 ]])
 
+AT_CHECK([[bison -v -o input.c input.y]])
+
+# Get the final state in the parser.
+AT_CHECK([[sed -n 's/.*define YYFINAL *\([0-9][0-9]*\)/final state \1/p' input.c]],
+         0, [stdout])
+mv stdout expout
+
+# Get the final state in the report, from the "accept" action..
+AT_CHECK([sed -n '
+           /^state \(.*\)/{
+            s//final state \1/
+            x
+          }
+          / accept/{
+            x
+            p
+            q
+          }
+       ' input.output],
+       0, [expout])
+
 AT_CLEANUP