Actually handle the yytable zero value correctly this time.

[bison.git] / tests / input.at

diff --git a/tests/input.at b/tests/input.at
index daff2eca25d3d3bd7637c17e2cb742223fafdb4d..f91c0fb8070135347134f5ec1bc17f9e08a8e5c5 100644 (file)
--- a/tests/input.at
+++ b/tests/input.at
@@ -1,5 +1,5 @@
 # Checking the Bison scanner.                    -*- Autotest -*-
 # Checking the Bison scanner.                    -*- Autotest -*-

-# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
+# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009

 # Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify


@@ -610,6 +610,103 @@ AT_BISON_CHECK([-o input.c input.y])
 AT_CLEANUP
 
 
 AT_CLEANUP
 
 

+## -------------- ##
+## Symbol names.  ##
+## -------------- ##
+
+AT_SETUP([Symbols])
+
+AT_DATA_GRAMMAR([input.y],
+[[%token WITH-DASH
+%token WITHOUT_DASH "WITHOUT-DASH"
+%token WITH.PERIOD
+%token WITHOUT_PERIOD "WITHOUT.PERIOD"
+%code {
+  void yyerror (char const *);
+  int yylex (void);
+}
+%%
+start: with-dash without_dash with.period without_period;
+with-dash: WITH-DASH;
+without_dash: "WITHOUT-DASH";
+with.period: WITH.PERIOD;
+without_period: "WITHOUT.PERIOD";
+%%
+]])
+
+# POSIX Yacc accept periods, but not dashes.
+AT_BISON_CHECK([--yacc input.y], [1], [],
+[[input.y:9.8-16: POSIX Yacc forbids dashes in symbol names: WITH-DASH
+input.y:18.8-16: POSIX Yacc forbids dashes in symbol names: with-dash
+]])
+
+# So warn about them.
+AT_BISON_CHECK([-Wyacc input.y], [], [],
+[[input.y:9.8-16: warning: POSIX Yacc forbids dashes in symbol names: WITH-DASH
+input.y:18.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash
+]])
+
+# Dashes are fine for GNU Bison.
+AT_BISON_CHECK([-o input.c input.y])
+
+# Make sure we don't export silly token identifiers with periods or dashes.
+AT_COMPILE([input.o], [-c input.c])
+
+
+# Periods and dashes are genuine letters, they can start identifiers.
+# Digits cannot.
+AT_DATA_GRAMMAR([input.y],
+[[%token .GOOD
+         -GOOD
+         1NV4L1D
+%%
+start: .GOOD -GOOD
+]])
+AT_BISON_CHECK([-o input.c input.y], [1], [],
+[[input.y:11.10-16: invalid identifier: `1NV4L1D'
+]])
+
+AT_CLEANUP
+
+
+## ----------------- ##
+## Numbered tokens.  ##
+## ----------------- ##
+
+AT_SETUP([Numbered tokens])
+
+AT_DATA_GRAMMAR([redecl.y],
+[[%token DECIMAL_1     11259375
+         HEXADECIMAL_1 0xabcdef
+         HEXADECIMAL_2 0xFEDCBA
+         DECIMAL_2     16702650
+%%
+start: DECIMAL_1 HEXADECIMAL_2;
+]])
+
+AT_BISON_CHECK([redecl.y], [1], [],
+[[redecl.y:10.10-22: user token number 11259375 redeclaration for HEXADECIMAL_1
+redecl.y:9.8-16: previous declaration for DECIMAL_1
+redecl.y:12.10-18: user token number 16702650 redeclaration for DECIMAL_2
+redecl.y:11.10-22: previous declaration for HEXADECIMAL_2
+]])
+
+AT_DATA_GRAMMAR([too-large.y],
+[[%token TOO_LARGE_DEC 999999999999999999999
+         TOO_LARGE_HEX 0xFFFFFFFFFFFFFFFFFFF
+%%
+start: TOO_LARGE_DEC TOO_LARGE_HEX
+%%
+]])
+
+AT_BISON_CHECK([too-large.y], [1], [],
+[[too-large.y:9.22-42: integer out of range: `999999999999999999999'
+too-large.y:10.24-44: integer out of range: `0xFFFFFFFFFFFFFFFFFFF'
+]])
+
+AT_CLEANUP
+
+

 ## --------------------- ##
 ## Unclosed constructs.  ##
 ## --------------------- ##
 ## --------------------- ##
 ## Unclosed constructs.  ##
 ## --------------------- ##


@@ -792,7 +889,7 @@ AT_CLEANUP
 
 AT_SETUP([%define errors])
 
 
 AT_SETUP([%define errors])
 

-AT_DATA([input.y],
+AT_DATA([input-redefined.y],

 [[%define var "value1"
 %define var "value1"
  %define var "value2"
 [[%define var "value1"
 %define var "value1"
  %define var "value2"


@@ -802,42 +899,74 @@ AT_DATA([input.y],
 start: ;
 ]])
 
 start: ;
 ]])
 

-AT_BISON_CHECK([[input.y]], [0], [],
-[[input.y:2.9-11: warning: %define variable `var' redefined
-input.y:1.9-11: warning: previous definition
-input.y:3.10-12: warning: %define variable `var' redefined
-input.y:2.9-11: warning: previous definition
-input.y:1.9-11: warning: %define variable `var' is not used
-input.y:2.9-11: warning: %define variable `var' is not used
-input.y:3.10-12: warning: %define variable `var' is not used
-input.y:4.9-16: warning: %define variable `special1' is not used
-input.y:5.9-16: warning: %define variable `special2' is not used
+AT_BISON_CHECK([[input-redefined.y]], [[1]], [],
+[[input-redefined.y:2.9-11: %define variable `var' redefined
+input-redefined.y:1.9-11: previous definition
+input-redefined.y:3.10-12: %define variable `var' redefined
+input-redefined.y:2.9-11: previous definition
+]])
+
+AT_DATA([input-unused.y],
+[[%define var "value"
+%%
+start: ;
+]])
+
+AT_BISON_CHECK([[input-unused.y]], [[0]], [],
+[[input-unused.y:1.9-11: warning: %define variable `var' is not used

 ]])
 
 AT_CLEANUP
 
 
 ]])
 
 AT_CLEANUP
 
 

-## ------------------- ##
-## %define, --define.  ##
-## ------------------- ##
+## ----------------------------------- ##
+## %define, --define, --force-define.  ##
+## ----------------------------------- ##

 
 

-AT_SETUP([%define, --define])
+AT_SETUP([%define, --define, --force-define])
+
+AT_DATA([skel.c],
+[[m4@&t@_divert_push(0)@
+@output(b4_parser_file_name@)@
+[var-dd: ]b4_percent_define_get([[var-dd]])[
+var-ff: ]b4_percent_define_get([[var-ff]])[
+var-dfg: ]b4_percent_define_get([[var-dfg]])[
+var-fd: ]b4_percent_define_get([[var-fd]])
+m4@&t@_divert_pop(0)
+]])

 
 AT_DATA([input.y],
 
 AT_DATA([input.y],

-[[%define var "value1"
+[[%define var-dfg "gram"

 %%
 start: ;
 ]])
 
 %%
 start: ;
 ]])
 

-AT_BISON_CHECK([[input.y -DFOO -DFOO -Dvar=value]], [0], [],
-[[<command line>:4: warning: %define variable `FOO' redefined
-<command line>:3: warning: previous definition
-input.y:1.9-11: warning: %define variable `var' redefined
-<command line>:5: warning: previous definition
-<command line>:3: warning: %define variable `FOO' is not used
-<command line>:4: warning: %define variable `FOO' is not used
-<command line>:5: warning: %define variable `var' is not used
-input.y:1.9-11: warning: %define variable `var' is not used
+AT_BISON_CHECK([[-Dvar-dd=cmd-d1 -Dvar-dd=cmd-d2 \
+                 -Fvar-ff=cmd-f1 -Fvar-ff=cmd-f2 \
+                 -Dvar-dfg=cmd-d -Fvar-dfg=cmd-f \
+                 -Fvar-fd=cmd-f -Dvar-fd=cmd-d   \
+                 -Dunused-d -Funused-f           \
+                 --skeleton ./skel.c input.y]], [[0]], [],
+[[<command line>:10: warning: %define variable `unused-d' is not used
+<command line>:11: warning: %define variable `unused-f' is not used
+]])
+
+AT_CHECK([[cat input.tab.c]], [[0]],
+[[var-dd: cmd-d2
+var-ff: cmd-f2
+var-dfg: cmd-f
+var-fd: cmd-d
+]])
+
+AT_DATA([input-dg.y],
+[[%define var "gram"
+%%
+start: ;
+]])
+
+AT_BISON_CHECK([[-Dvar=cmd-d input-dg.y]], [[1]], [],
+[[input-dg.y:1.9-11: %define variable `var' redefined
+<command line>:2: previous definition

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -868,14 +997,82 @@ AT_CLEANUP
 
 AT_SETUP([[%define enum variables]])
 
 
 AT_SETUP([[%define enum variables]])
 

+# Front-end.
+AT_DATA([[input.y]],
+[[%define lr.default-reductions "bogus"
+%%
+start: ;
+]])
+AT_BISON_CHECK([[input.y]], [[1]], [[]],
+[[input.y:1.9-29: invalid value for %define variable `lr.default-reductions': `bogus'
+input.y:1.9-29: accepted value: `all'
+input.y:1.9-29: accepted value: `consistent'
+input.y:1.9-29: accepted value: `accepting'
+]])
+
+# Back-end.
+AT_DATA([[input.y]],
+[[%define api.push-pull "neither"
+%%
+start: ;
+]])
+AT_BISON_CHECK([[input.y]], [1], [],
+[[input.y:1.9-21: invalid value for %define variable `api.push-pull': `neither'
+input.y:1.9-21: accepted value: `pull'
+input.y:1.9-21: accepted value: `push'
+input.y:1.9-21: accepted value: `both'
+]])
+
+AT_CLEANUP
+
+## -------------------------------- ##
+## %define backward compatibility.  ##
+## -------------------------------- ##
+
+AT_SETUP([[%define backward compatibility]])
+
+# The error messages tell us whether underscores in these variables are
+# being converted to dashes.
+

 AT_DATA([[input.y]],
 [[%define api.push_pull "neither"
 %%
 start: ;
 ]])
 AT_DATA([[input.y]],
 [[%define api.push_pull "neither"
 %%
 start: ;
 ]])

+AT_BISON_CHECK([[input.y]], [1], [],
+[[input.y:1.9-21: invalid value for %define variable `api.push-pull': `neither'
+input.y:1.9-21: accepted value: `pull'
+input.y:1.9-21: accepted value: `push'
+input.y:1.9-21: accepted value: `both'
+]])
+
+AT_DATA([[input.y]],
+[[%define lr.keep_unreachable_states "maybe"
+%%
+start: ;
+]])
+AT_BISON_CHECK([[input.y]], [1], [],
+[[input.y:1.9-34: invalid value for %define Boolean variable `lr.keep-unreachable-states'
+]])

 
 

+AT_DATA([[input.y]],
+[[%define namespace "foo"
+%define api.namespace "foo"
+%%
+start: ;
+]])

 AT_BISON_CHECK([[input.y]], [1], [],
 AT_BISON_CHECK([[input.y]], [1], [],

-[[input.y:1.9-21: invalid value for %define variable `api.push_pull': `neither'
+[[input.y:2.9-21: %define variable `api.namespace' redefined
+input.y:1.9-17: previous definition
+]])
+
+AT_DATA([[input.y]],
+[[%define foo_bar "baz"
+%%
+start: ;
+]])
+AT_BISON_CHECK([[input.y]], [0], [],
+[[input.y:1.9-15: warning: %define variable `foo_bar' is not used

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -927,14 +1124,14 @@ m4_define([AT_CHECK_NAMESPACE_ERROR],
 AT_DATA([[input.y]],
 [[%language "C++"
 %defines
 AT_DATA([[input.y]],
 [[%language "C++"
 %defines

-%define namespace "]$1["
+%define api.namespace "]$1["

 %%
 start: ;
 ]])
 
 AT_BISON_CHECK([[input.y]], [1], [],
 [m4_foreach([b4_arg], m4_dquote(m4_shift($@)),
 %%
 start: ;
 ]])
 
 AT_BISON_CHECK([[input.y]], [1], [],
 [m4_foreach([b4_arg], m4_dquote(m4_shift($@)),

-[[input.y:3.9-17: ]b4_arg[
+[[input.y:3.9-21: ]b4_arg[

 ]])])
 ])
 
 ]])])
 ])
 


@@ -961,3 +1158,108 @@ AT_CHECK_NAMESPACE_ERROR([[::]],
                          [[namespace reference has a trailing "::"]])
 
 AT_CLEANUP
                          [[namespace reference has a trailing "::"]])
 
 AT_CLEANUP

+
+## ------------------------ ##
+## Bad character literals.  ##
+## ------------------------ ##
+
+# Bison used to accept character literals that were empty or contained
+# too many characters.
+
+# FIXME: $ECHO_N and $ECHO_C are not very portable according to the
+# Autoconf manual.  Switch to AS_ECHO_N when Autoconf 2.64 is released?
+# Even better, AT_DATA or some variant of AT_DATA may eventually permit
+# a trailing newline.  See the threads starting at
+# <http://lists.gnu.org/archive/html/bison-patches/2009-07/msg00019.html>.
+
+AT_SETUP([[Bad character literals]])
+
+AT_DATA([empty.y],
+[[%%
+start: '';
+start: '
+]])
+echo $ECHO_N "start: '$ECHO_C" >> empty.y
+
+AT_BISON_CHECK([empty.y], [1], [],
+[[empty.y:2.8-9: warning: empty character literal
+empty.y:3.8-4.0: warning: empty character literal
+empty.y:3.8-4.0: missing `'' at end of line
+empty.y:4.8: warning: empty character literal
+empty.y:4.8: missing `'' at end of file
+]])
+
+AT_DATA([two.y],
+[[%%
+start: 'ab';
+start: 'ab
+]])
+echo $ECHO_N "start: 'ab$ECHO_C" >> two.y
+
+AT_BISON_CHECK([two.y], [1], [],
+[[two.y:2.8-11: warning: extra characters in character literal
+two.y:3.8-4.0: warning: extra characters in character literal
+two.y:3.8-4.0: missing `'' at end of line
+two.y:4.8-10: warning: extra characters in character literal
+two.y:4.8-10: missing `'' at end of file
+]])
+
+AT_DATA([three.y],
+[[%%
+start: 'abc';
+start: 'abc
+]])
+echo $ECHO_N "start: 'abc$ECHO_C" >> three.y
+
+AT_BISON_CHECK([three.y], [1], [],
+[[three.y:2.8-12: warning: extra characters in character literal
+three.y:3.8-4.0: warning: extra characters in character literal
+three.y:3.8-4.0: missing `'' at end of line
+three.y:4.8-11: warning: extra characters in character literal
+three.y:4.8-11: missing `'' at end of file
+]])
+
+AT_CLEANUP
+
+## ------------------------- ##
+## Bad escapes in literals.  ##
+## ------------------------- ##
+
+AT_SETUP([[Bad escapes in literals]])
+
+AT_DATA([input.y],
+[[%%
+start: '\777' '\0' '\xfff' '\x0'
+       '\uffff' '\u0000' '\Uffffffff' '\U00000000'
+       '\ ' '\A';
+]])
+echo 'start: "\T\F\0\1" ;' | tr 'TF01' '\011\014\0\1' >> input.y
+
+AT_BISON_CHECK([input.y], [1], [],
+[[input.y:2.9-12: invalid number after \-escape: 777
+input.y:2.8-13: warning: empty character literal
+input.y:2.16-17: invalid number after \-escape: 0
+input.y:2.15-18: warning: empty character literal
+input.y:2.21-25: invalid number after \-escape: xfff
+input.y:2.20-26: warning: empty character literal
+input.y:2.29-31: invalid number after \-escape: x0
+input.y:2.28-32: warning: empty character literal
+input.y:3.9-14: invalid number after \-escape: uffff
+input.y:3.8-15: warning: empty character literal
+input.y:3.18-23: invalid number after \-escape: u0000
+input.y:3.17-24: warning: empty character literal
+input.y:3.27-36: invalid number after \-escape: Uffffffff
+input.y:3.26-37: warning: empty character literal
+input.y:3.40-49: invalid number after \-escape: U00000000
+input.y:3.39-50: warning: empty character literal
+input.y:4.9-10: invalid character after \-escape: ` '
+input.y:4.8-11: warning: empty character literal
+input.y:4.14-15: invalid character after \-escape: A
+input.y:4.13-16: warning: empty character literal
+input.y:5.9-16: invalid character after \-escape: \t
+input.y:5.17: invalid character after \-escape: \f
+input.y:5.18: invalid character after \-escape: \0
+input.y:5.19: invalid character after \-escape: \001
+]])
+
+AT_CLEANUP