Index: bison/src/bison/2.4.1/bison-2.4.1-src/tests/input.at |
=================================================================== |
--- bison/src/bison/2.4.1/bison-2.4.1-src/tests/input.at (revision 0) |
+++ bison/src/bison/2.4.1/bison-2.4.1-src/tests/input.at (revision 0) |
@@ -0,0 +1,942 @@ |
+# Checking the Bison scanner. -*- Autotest -*- |
+# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 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 |
+# the Free Software Foundation, either version 3 of the License, or |
+# (at your option) any later version. |
+# |
+# This program is distributed in the hope that it will be useful, |
+# but WITHOUT ANY WARRANTY; without even the implied warranty of |
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
+# GNU General Public License for more details. |
+# |
+# You should have received a copy of the GNU General Public License |
+# along with this program. If not, see <http://www.gnu.org/licenses/>. |
+ |
+AT_BANNER([[Input Processing.]]) |
+ |
+# Mostly test that we are robust to mistakes. |
+ |
+ |
+## ------------ ## |
+## Invalid $n. ## |
+## ------------ ## |
+ |
+AT_SETUP([Invalid $n and @n]) |
+ |
+AT_DATA([input.y], |
+[[%% |
+exp: { $$ = $1 ; }; |
+exp: { @$ = @1 ; }; |
+]]) |
+ |
+AT_BISON_CHECK([input.y], [1], [], |
+[[input.y:2.13-14: integer out of range: `$1' |
+input.y:3.13-14: integer out of range: `@1' |
+]]) |
+ |
+AT_CLEANUP |
+ |
+ |
+## -------------- ## |
+## Type Clashes. ## |
+## -------------- ## |
+ |
+AT_SETUP([Type Clashes]) |
+ |
+AT_DATA([input.y], |
+[[%union { int bar; } |
+%token foo |
+%type <bar> exp |
+%% |
+exp: foo { $$; } foo { $2; } foo |
+ | foo |
+ | /* Empty. */ |
+ ; |
+]]) |
+ |
+AT_BISON_CHECK([input.y], [1], [], |
+[[input.y:5.12-13: $$ for the midrule at $2 of `exp' has no declared type |
+input.y:5.24-25: $2 of `exp' has no declared type |
+input.y:5.6-32: warning: type clash on default action: <bar> != <> |
+input.y:6.6-8: warning: type clash on default action: <bar> != <> |
+input.y:7.5: warning: empty rule for typed nonterminal, and no action |
+]]) |
+ |
+AT_CLEANUP |
+ |
+ |
+# _AT_UNUSED_VALUES_DECLARATIONS() |
+# -------------------------------------------- |
+# Generate the token, type, and destructor |
+# declarations for the unused values tests. |
+ |
+m4_define([_AT_UNUSED_VALUES_DECLARATIONS], |
+[[[%token <integer> INT; |
+%type <integer> a b c d e f g h i j k l; |
+%destructor { destroy ($$); } INT a b c d e f g h i j k l;]]]) |
+ |
+ |
+# AT_CHECK_UNUSED_VALUES(DECLARATIONS_AFTER, CHECK_MIDRULE_VALUES) |
+# ------------------------------------------------------------------ |
+# Generate a grammar to test unused values, |
+# compile it, run it. If DECLARATIONS_AFTER |
+# is set, then the token, type, and destructor |
+# declarations are generated after the rules |
+# rather than before. If CHECK_MIDRULE_VALUES |
+# is set, then --warnings=midrule-values is |
+# set. |
+ |
+m4_define([AT_CHECK_UNUSED_VALUES], |
+[AT_DATA([input.y], |
+m4_ifval($1, [ |
+ |
+ |
+], [_AT_UNUSED_VALUES_DECLARATIONS |
+])[[%% |
+start: |
+ 'a' a { $]2[ } | 'b' b { $]2[ } | 'c' c { $]2[ } | 'd' d { $]2[ } | 'e' e { $]2[ } |
+| 'f' f { $]2[ } | 'g' g { $]2[ } | 'h' h { $]2[ } | 'i' i { $]2[ } | 'j' j { $]2[ } |
+| 'k' k { $]2[ } | 'l' l { $]2[ } |
+; |
+ |
+a: INT | INT { } INT { } INT { }; |
+b: INT | /* empty */; |
+c: INT | INT { $]1[ } INT { $<integer>2 } INT { $<integer>4 }; |
+d: INT | INT { } INT { $]1[ } INT { $<integer>2 }; |
+e: INT | INT { } INT { } INT { $]1[ }; |
+f: INT | INT { } INT { } INT { $]$[ = $]1[ + $]3[ + $]5[; }; |
+g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { }; |
+h: INT | INT { $<integer>$; } INT { $<integer>$ = $<integer>2; } INT { }; |
+i: INT | INT INT { } { $]$[ = $]1[ + $]2[; }; |
+j: INT | INT INT { $<integer>$ = 1; } { $]$[ = $]1[ + $]2[; }; |
+k: INT | INT INT { $<integer>$; } { $<integer>$ = $<integer>3; } { }; |
+l: INT | INT { $<integer>$ = $<integer>1; } INT { $<integer>$ = $<integer>2 + $<integer>3; } INT { $<integer>$ = $<integer>4 + $<integer>5; };]]m4_ifval($1, [ |
+_AT_UNUSED_VALUES_DECLARATIONS]) |
+) |
+ |
+AT_BISON_CHECK(m4_ifval($2, [ --warnings=midrule-values ])[ input.y], [0], [], |
+[[input.y:11.10-32: warning: unset value: $]$[ |
+input.y:11.10-32: warning: unused value: $]1[ |
+input.y:11.10-32: warning: unused value: $]3[ |
+input.y:11.10-32: warning: unused value: $]5[ |
+input.y:12.9: warning: empty rule for typed nonterminal, and no action |
+]]m4_ifval($2, [[[input.y:13.14-19: warning: unset value: $$ |
+input.y:13.25-39: warning: unset value: $$ |
+]]])[[input.y:13.10-59: warning: unset value: $]$[ |
+input.y:13.10-59: warning: unused value: $]3[ |
+input.y:13.10-59: warning: unused value: $]5[ |
+]]m4_ifval($2, [[[input.y:14.14-16: warning: unset value: $$ |
+]]])[[input.y:14.10-47: warning: unset value: $]$[ |
+input.y:14.10-47: warning: unused value: $]3[ |
+input.y:14.10-47: warning: unused value: $]5[ |
+input.y:15.10-36: warning: unset value: $]$[ |
+input.y:15.10-36: warning: unused value: $]3[ |
+input.y:15.10-36: warning: unused value: $]5[ |
+input.y:17.10-58: warning: unset value: $]$[ |
+input.y:17.10-58: warning: unused value: $]1[ |
+]]m4_ifval($2, [[[input.y:17.10-58: warning: unused value: $]2[ |
+]]])[[input.y:17.10-58: warning: unused value: $]3[ |
+]]m4_ifval($2, [[[input.y:17.10-58: warning: unused value: $]4[ |
+]]])[[input.y:17.10-58: warning: unused value: $]5[ |
+input.y:18.10-72: warning: unset value: $]$[ |
+input.y:18.10-72: warning: unused value: $]1[ |
+input.y:18.10-72: warning: unused value: $]3[ |
+]]m4_ifval($2, [[[input.y:18.10-72: warning: unused value: $]4[ |
+]]])[[input.y:18.10-72: warning: unused value: $]5[ |
+]]m4_ifval($2, [[[input.y:20.10-55: warning: unused value: $]3[ |
+]]])[[input.y:21.10-68: warning: unset value: $]$[ |
+input.y:21.10-68: warning: unused value: $]1[ |
+input.y:21.10-68: warning: unused value: $]2[ |
+]]m4_ifval($2, [[[input.y:21.10-68: warning: unused value: $]4[ |
+]]]))]) |
+ |
+ |
+## --------------- ## |
+## Unused values. ## |
+## --------------- ## |
+ |
+AT_SETUP([Unused values]) |
+AT_CHECK_UNUSED_VALUES |
+AT_CHECK_UNUSED_VALUES(, [1]) |
+AT_CLEANUP |
+ |
+ |
+## ------------------------------------------ ## |
+## Unused values before symbol declarations. ## |
+## ------------------------------------------ ## |
+ |
+AT_SETUP([Unused values before symbol declarations]) |
+AT_CHECK_UNUSED_VALUES([1]) |
+AT_CHECK_UNUSED_VALUES([1], [1]) |
+AT_CLEANUP |
+ |
+ |
+## --------------------------------------------- ## |
+## Default %printer and %destructor redeclared. ## |
+## --------------------------------------------- ## |
+ |
+AT_SETUP([Default %printer and %destructor redeclared]) |
+ |
+AT_DATA([[input.y]], |
+[[%destructor { destroy ($$); } <*> <*> |
+%printer { destroy ($$); } <*> <*> |
+ |
+%destructor { destroy ($$); } <*> |
+%printer { destroy ($$); } <*> |
+ |
+%destructor { destroy ($$); } <> <> |
+%printer { destroy ($$); } <> <> |
+ |
+%destructor { destroy ($$); } <> |
+%printer { destroy ($$); } <> |
+ |
+%% |
+ |
+start: ; |
+ |
+%destructor { destroy ($$); } <*>; |
+%printer { destroy ($$); } <*>; |
+ |
+%destructor { destroy ($$); } <>; |
+%printer { destroy ($$); } <>; |
+]]) |
+ |
+AT_BISON_CHECK([input.y], [1], [], |
+[[input.y:1.13-29: redeclaration for default tagged %destructor |
+input.y:1.13-29: previous declaration |
+input.y:2.10-26: redeclaration for default tagged %printer |
+input.y:2.10-26: previous declaration |
+input.y:4.13-29: redeclaration for default tagged %destructor |
+input.y:1.13-29: previous declaration |
+input.y:5.10-26: redeclaration for default tagged %printer |
+input.y:2.10-26: previous declaration |
+input.y:7.13-29: redeclaration for default tagless %destructor |
+input.y:7.13-29: previous declaration |
+input.y:8.10-26: redeclaration for default tagless %printer |
+input.y:8.10-26: previous declaration |
+input.y:10.13-29: redeclaration for default tagless %destructor |
+input.y:7.13-29: previous declaration |
+input.y:11.10-26: redeclaration for default tagless %printer |
+input.y:8.10-26: previous declaration |
+input.y:17.13-29: redeclaration for default tagged %destructor |
+input.y:4.13-29: previous declaration |
+input.y:18.10-26: redeclaration for default tagged %printer |
+input.y:5.10-26: previous declaration |
+input.y:20.13-29: redeclaration for default tagless %destructor |
+input.y:10.13-29: previous declaration |
+input.y:21.10-26: redeclaration for default tagless %printer |
+input.y:11.10-26: previous declaration |
+]]) |
+ |
+AT_CLEANUP |
+ |
+ |
+## ---------------------------------------------- ## |
+## Per-type %printer and %destructor redeclared. ## |
+## ---------------------------------------------- ## |
+ |
+AT_SETUP([Per-type %printer and %destructor redeclared]) |
+ |
+AT_DATA([[input.y]], |
+[[%destructor { destroy ($$); } <field1> <field2> |
+%printer { destroy ($$); } <field1> <field2> |
+ |
+%destructor { destroy ($$); } <field1> <field1> |
+%printer { destroy ($$); } <field2> <field2> |
+ |
+%% |
+ |
+start: ; |
+ |
+%destructor { destroy ($$); } <field2> <field1>; |
+%printer { destroy ($$); } <field2> <field1>; |
+]]) |
+ |
+AT_BISON_CHECK([input.y], [1], [], |
+[[input.y:4.13-29: %destructor redeclaration for <field1> |
+input.y:1.13-29: previous declaration |
+input.y:4.13-29: %destructor redeclaration for <field1> |
+input.y:4.13-29: previous declaration |
+input.y:5.10-26: %printer redeclaration for <field2> |
+input.y:2.10-26: previous declaration |
+input.y:5.10-26: %printer redeclaration for <field2> |
+input.y:5.10-26: previous declaration |
+input.y:11.13-29: %destructor redeclaration for <field1> |
+input.y:4.13-29: previous declaration |
+input.y:11.13-29: %destructor redeclaration for <field2> |
+input.y:1.13-29: previous declaration |
+input.y:12.10-26: %printer redeclaration for <field1> |
+input.y:2.10-26: previous declaration |
+input.y:12.10-26: %printer redeclaration for <field2> |
+input.y:5.10-26: previous declaration |
+]]) |
+ |
+AT_CLEANUP |
+ |
+ |
+## ---------------------------------------- ## |
+## Unused values with default %destructor. ## |
+## ---------------------------------------- ## |
+ |
+AT_SETUP([Unused values with default %destructor]) |
+ |
+AT_DATA([[input.y]], |
+[[%destructor { destroy ($$); } <> |
+%type <tag> tagged |
+ |
+%% |
+ |
+start: end end tagged tagged { $<tag>1; $3; } ; |
+end: { } ; |
+tagged: { } ; |
+]]) |
+ |
+AT_BISON_CHECK([input.y], [0], [], |
+[[input.y:6.8-45: warning: unset value: $$ |
+input.y:6.8-45: warning: unused value: $2 |
+input.y:7.6-8: warning: unset value: $$ |
+]]) |
+ |
+AT_DATA([[input.y]], |
+[[%destructor { destroy ($$); } <*> |
+%type <tag> tagged |
+ |
+%% |
+ |
+start: end end tagged tagged { $<tag>1; $3; } ; |
+end: { } ; |
+tagged: { } ; |
+]]) |
+ |
+AT_BISON_CHECK([input.y], [0], [], |
+[[input.y:6.8-45: warning: unused value: $4 |
+input.y:8.9-11: warning: unset value: $$ |
+]]) |
+ |
+AT_CLEANUP |
+ |
+ |
+## ----------------------------------------- ## |
+## Unused values with per-type %destructor. ## |
+## ----------------------------------------- ## |
+ |
+AT_SETUP([Unused values with per-type %destructor]) |
+ |
+AT_DATA([[input.y]], |
+[[%destructor { destroy ($$); } <field1> |
+%type <field1> start end |
+ |
+%% |
+ |
+start: end end { $1; } ; |
+end: { } ; |
+]]) |
+ |
+AT_BISON_CHECK([input.y], [0], [], |
+[[input.y:6.8-22: warning: unset value: $$ |
+input.y:6.8-22: warning: unused value: $2 |
+input.y:7.6-8: warning: unset value: $$ |
+]]) |
+ |
+AT_CLEANUP |
+ |
+ |
+## ---------------------- ## |
+## Incompatible Aliases. ## |
+## ---------------------- ## |
+ |
+AT_SETUP([Incompatible Aliases]) |
+ |
+AT_DATA([input.y], |
+[[%token foo "foo" |
+ |
+%type <bar> foo |
+%printer {bar} foo |
+%destructor {bar} foo |
+%left foo |
+ |
+%type <baz> "foo" |
+%printer {baz} "foo" |
+%destructor {baz} "foo" |
+%left "foo" |
+ |
+%% |
+exp: foo; |
+]]) |
+ |
+AT_BISON_CHECK([input.y], [1], [], |
+[[input.y:8.7-11: %type redeclaration for foo |
+input.y:3.7-11: previous declaration |
+input.y:10.13-17: %destructor redeclaration for foo |
+input.y:5.13-17: previous declaration |
+input.y:9.10-14: %printer redeclaration for foo |
+input.y:4.10-14: previous declaration |
+input.y:11.1-5: %left redeclaration for foo |
+input.y:6.1-5: previous declaration |
+]]) |
+ |
+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], []) |
+AT_BISON_CHECK([input.y], [1], [], |
+[[input.y:1.1: syntax error, unexpected end of file |
+]]) |
+ |
+ |
+AT_DATA([input.y], |
+[{} |
+]) |
+AT_BISON_CHECK([input.y], [1], [], |
+[[input.y:1.1-2: syntax error, unexpected {...} |
+]]) |
+ |
+ |
+AT_DATA_GRAMMAR([input.y], |
+[[%{ |
+/* This is seen in GCC: a %{ and %} in middle of a comment. */ |
+const char *foo = "So %{ and %} can be here too."; |
+ |
+#if 0 |
+/* These examples test Bison while not stressing C compilers too much. |
+ Many C compilers mishandle backslash-newlines, so this part of the |
+ test is inside "#if 0". The comment and string are written so that |
+ the "#endif" will be seen regardless of the C compiler bugs that we |
+ know about, namely: |
+ |
+ HP C (as of late 2002) mishandles *\[newline]\[newline]/ within a |
+ comment. |
+ |
+ The Apple Darwin compiler (as of late 2002) mishandles |
+ \\[newline]' within a character constant. |
+ |
+ */ |
+ |
+/\ |
+* A comment with backslash-newlines in it. %} *\ |
+\ |
+/ |
+/* { Close the above comment, if the C compiler mishandled it. */ |
+ |
+char str[] = "\\ |
+" A string with backslash-newlines in it %{ %} \\ |
+\ |
+""; |
+ |
+char apostrophe = '\''; |
+#endif |
+ |
+#include <stdio.h> |
+#include <stdlib.h> |
+%} |
+/* %{ and %} can be here too. */ |
+ |
+%{ |
+/* Exercise pre-prologue dependency to %union. */ |
+typedef int value; |
+%} |
+ |
+/* Exercise M4 quoting: '@:>@@:>@', 0. */ |
+ |
+/* Also exercise %union. */ |
+%union |
+{ |
+ value ival; /* A comment to exercise an old bug. */ |
+}; |
+ |
+ |
+/* Exercise post-prologue dependency to %union. */ |
+%{ |
+static YYSTYPE value_as_yystype (value val); |
+ |
+/* Exercise quotes in declarations. */ |
+char quote[] = "@:>@@:>@,"; |
+%} |
+ |
+%{ |
+static void yyerror (const char *s); |
+static int yylex (void); |
+%} |
+ |
+%type <ival> '@<:@' |
+ |
+/* Exercise quotes in strings. */ |
+%token FAKE "fake @<:@@:>@ \a\b\f\n\r\t\v\"\'\?\\\u005B\U0000005c ??!??'??(??)??-??/??<??=??> \x1\1" |
+ |
+%% |
+/* Exercise M4 quoting: '@:>@@:>@', @<:@, 1. */ |
+exp: '@<:@' '\1' two '$' '@' '{' oline output.or.oline.opt |
+ { |
+ /* Exercise quotes in braces. */ |
+ char tmp[] = "@<:@%c@:>@,\n"; |
+ printf (tmp, $1); |
+ } |
+; |
+ |
+two: '\x000000000000000000000000000000000000000000000000000000000000000000002'; |
+oline: '@' 'o' 'l' 'i' 'n' 'e' '@' '_' '_' 'o' 'l' 'i' 'n' 'e' '_' '_'; |
+output.or.oline.opt: ;|oline;;|output;;; |
+output: '#' 'o' 'u' 't' 'p' 'u' 't' ' '; |
+%% |
+/* Exercise M4 quoting: '@:>@@:>@', @<:@, 2. */ |
+ |
+static YYSTYPE |
+value_as_yystype (value val) |
+{ |
+ YYSTYPE res; |
+ res.ival = val; |
+ return res; |
+} |
+ |
+static int |
+yylex (void) |
+{ |
+ static char const input[] = "@<:@\1\2$@{@oline@__@&t@oline__\ |
+#output "; /* " |
+ */ |
+ static size_t toknum; |
+ if (! (toknum < sizeof input)) |
+ abort (); |
+ yylval = value_as_yystype (input[toknum]); |
+ return input[toknum++]; |
+} |
+ |
+static void |
+yyerror (const char *msg) |
+{ |
+ fprintf (stderr, "%s\n", msg); |
+} |
+]]) |
+ |
+# Pacify Emacs'font-lock-mode: " |
+ |
+AT_DATA([main.c], |
+[[typedef int value; |
+#include "input.h" |
+ |
+int yyparse (void); |
+ |
+int |
+main (void) |
+{ |
+ return yyparse (); |
+} |
+]]) |
+ |
+AT_BISON_CHECK([-d -v -o input.c input.y]) |
+AT_COMPILE([input.o], [-c input.c]) |
+AT_COMPILE([main.o], [-c main.c]) |
+AT_COMPILE([input], [input.o main.o]) |
+AT_PARSER_CHECK([./input], 0, |
+[[[@<:@], |
+]]) |
+ |
+AT_CLEANUP |
+ |
+ |
+## ---------------------- ## |
+## Typed symbol aliases. ## |
+## ---------------------- ## |
+ |
+AT_SETUP([Typed symbol aliases]) |
+ |
+# Bison 2.0 broke typed symbol aliases - ensure they work. |
+ |
+AT_DATA_GRAMMAR([input.y], |
+[[%union |
+{ |
+ int val; |
+}; |
+%token <val> MY_TOKEN "MY TOKEN" |
+%type <val> exp |
+%% |
+exp: "MY TOKEN"; |
+%% |
+]]) |
+ |
+AT_BISON_CHECK([-o input.c input.y]) |
+ |
+AT_CLEANUP |
+ |
+ |
+## --------- ## |
+## Require. ## |
+## --------- ## |
+ |
+m4_define([AT_CHECK_REQUIRE], |
+[AT_SETUP([Require $1]) |
+AT_DATA_GRAMMAR([input.y], |
+[[%require "$1"; |
+%% |
+empty_file:; |
+]]) |
+AT_BISON_CHECK([-o input.c input.y], $2, [], ignore) |
+AT_CLEANUP |
+]) |
+ |
+AT_CHECK_REQUIRE(1.0, 0) |
+AT_CHECK_REQUIRE(AT_PACKAGE_VERSION, 0) |
+## FIXME: Some day augment this version number. |
+AT_CHECK_REQUIRE(100.0, 63) |
+ |
+ |
+## ------------------------------------- ## |
+## String aliases for character tokens. ## |
+## ------------------------------------- ## |
+ |
+AT_SETUP([String aliases for character tokens]) |
+ |
+# Bison once thought a character token and its alias were different symbols |
+# with the same user token number. |
+ |
+AT_DATA_GRAMMAR([input.y], |
+[[%token 'a' "a" |
+%% |
+start: 'a'; |
+%% |
+]]) |
+ |
+AT_BISON_CHECK([-o input.c input.y]) |
+ |
+AT_CLEANUP |
+ |
+ |
+## --------------------- ## |
+## Unclosed constructs. ## |
+## --------------------- ## |
+ |
+AT_SETUP([Unclosed constructs]) |
+ |
+# Bison's scan-gram.l once forgot to STRING_FINISH some unclosed constructs, so |
+# they were prepended to whatever it STRING_GROW'ed next. It also threw them |
+# away rather than returning them to the parser. The effect was confusing |
+# subsequent error messages. |
+ |
+AT_DATA([input.y], |
+[[%token A "a |
+%token B "b" |
+%token AB "ab" // Used to complain that "ab" was already used. |
+%token C '1 |
+%token TWO "2" |
+%token TICK_TWELVE "'12" // Used to complain that "'12" was already used. |
+ |
+%% |
+ |
+start: ; |
+ |
+// Used to report a syntax error because it didn't see any kind of symbol |
+// identifier. |
+%type <f> 'a |
+; |
+%type <f> "a |
+; |
+// Used to report a syntax error because it didn't see braced code. |
+%destructor { free ($$) |
+]]) |
+ |
+AT_BISON_CHECK([-o input.c input.y], 1, [], |
+[[input.y:1.10-2.0: missing `"' at end of line |
+input.y:4.10-5.0: missing `'' at end of line |
+input.y:14.11-15.0: missing `'' at end of line |
+input.y:16.11-17.0: missing `"' at end of line |
+input.y:19.13-20.0: missing `}' at end of file |
+input.y:20.1: syntax error, unexpected end of file |
+]]) |
+ |
+AT_CLEANUP |
+ |
+ |
+## ------------------------- ## |
+## %start after first rule. ## |
+## ------------------------- ## |
+ |
+AT_SETUP([%start after first rule]) |
+ |
+# Bison once complained that a %start after the first rule was a redeclaration |
+# of the start symbol. |
+ |
+AT_DATA([input.y], |
+[[%% |
+false_start: ; |
+start: false_start ; |
+%start start; |
+]]) |
+ |
+AT_BISON_CHECK([-o input.c input.y]) |
+ |
+AT_CLEANUP |
+ |
+ |
+## --------------------- ## |
+## %prec takes a token. ## |
+## --------------------- ## |
+ |
+AT_SETUP([%prec takes a token]) |
+ |
+# Bison once allowed %prec sym where sym was a nonterminal. |
+ |
+AT_DATA([input.y], |
+[[%% |
+start: PREC %prec PREC ; |
+PREC: ; |
+]]) |
+ |
+AT_BISON_CHECK([input.y], [1], [], |
+[[input.y:3.1-4: rule given for PREC, which is a token |
+]]) |
+ |
+AT_CLEANUP |
+ |
+ |
+## -------------------------------- ## |
+## Reject unused %code qualifiers. ## |
+## -------------------------------- ## |
+ |
+AT_SETUP([Reject unused %code qualifiers]) |
+ |
+AT_DATA([input-c.y], |
+[[%code q {} |
+%code bad {} |
+%code bad {} |
+%code format {} |
+%% |
+start: ; |
+]]) |
+AT_BISON_CHECK([[input-c.y]], [0], [], |
+[[input-c.y:1.7: warning: %code qualifier `q' is not used |
+input-c.y:2.7-9: warning: %code qualifier `bad' is not used |
+input-c.y:3.7-9: warning: %code qualifier `bad' is not used |
+input-c.y:4.7-12: warning: %code qualifier `format' is not used |
+]]) |
+ |
+AT_DATA([input-c-glr.y], |
+[[%code q {} |
+%code bad {} |
+ %code bad {} |
+%% |
+start: ; |
+]]) |
+AT_BISON_CHECK([[input-c-glr.y]], [0], [], |
+[[input-c-glr.y:1.7: warning: %code qualifier `q' is not used |
+input-c-glr.y:2.7-9: warning: %code qualifier `bad' is not used |
+input-c-glr.y:3.8-10: warning: %code qualifier `bad' is not used |
+]]) |
+ |
+AT_DATA([input-c++.y], |
+[[%code q {} |
+%code bad {} |
+ %code q {} |
+%% |
+start: ; |
+]]) |
+AT_BISON_CHECK([[input-c++.y]], [0], [], |
+[[input-c++.y:1.7: warning: %code qualifier `q' is not used |
+input-c++.y:2.7-9: warning: %code qualifier `bad' is not used |
+input-c++.y:3.8: warning: %code qualifier `q' is not used |
+]]) |
+ |
+AT_DATA([input-c++-glr.y], |
+[[%code bad {} |
+%code q {} |
+%code q {} |
+%% |
+start: ; |
+]]) |
+AT_BISON_CHECK([[input-c++-glr.y]], [0], [], |
+[[input-c++-glr.y:1.7-9: warning: %code qualifier `bad' is not used |
+input-c++-glr.y:2.7: warning: %code qualifier `q' is not used |
+input-c++-glr.y:3.7: warning: %code qualifier `q' is not used |
+]]) |
+ |
+AT_DATA([special-char-@@.y], |
+[[%code bad {} |
+%code q {} |
+%code q {} |
+%% |
+start: ; |
+]]) |
+AT_BISON_CHECK([[special-char-@@.y]], [0], [], |
+[[special-char-@@.y:1.7-9: warning: %code qualifier `bad' is not used |
+special-char-@@.y:2.7: warning: %code qualifier `q' is not used |
+special-char-@@.y:3.7: warning: %code qualifier `q' is not used |
+]]) |
+ |
+AT_DATA([special-char-@:>@.y], |
+[[%code bad {} |
+%code q {} |
+%code q {} |
+%% |
+start: ; |
+]]) |
+AT_BISON_CHECK([[special-char-@:>@.y]], [0], [], |
+[[special-char-@:>@.y:1.7-9: warning: %code qualifier `bad' is not used |
+special-char-@:>@.y:2.7: warning: %code qualifier `q' is not used |
+special-char-@:>@.y:3.7: warning: %code qualifier `q' is not used |
+]]) |
+ |
+AT_CLEANUP |
+ |
+ |
+## ---------------- ## |
+## %define errors. ## |
+## ---------------- ## |
+ |
+AT_SETUP([%define errors]) |
+ |
+AT_DATA([input.y], |
+[[%define var "value1" |
+%define var "value1" |
+ %define var "value2" |
+%define special1 "@:>@" |
+%define special2 "@<:@" |
+%% |
+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_CLEANUP |
+ |
+## --------------------------- ## |
+## %define Boolean variables. ## |
+## --------------------------- ## |
+ |
+AT_SETUP([[%define Boolean variables]]) |
+ |
+AT_DATA([Input.y], |
+[[%language "Java" |
+%define public "maybe" |
+%define parser_class_name "Input" |
+%% |
+start: ; |
+]]) |
+ |
+AT_BISON_CHECK([[Input.y]], [1], [], |
+[[Input.y:2.9-14: invalid value for %define Boolean variable `public' |
+]]) |
+ |
+AT_CLEANUP |
+ |
+## ------------------------ ## |
+## %define enum variables. ## |
+## ------------------------ ## |
+ |
+AT_SETUP([[%define enum variables]]) |
+ |
+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' |
+]]) |
+ |
+AT_CLEANUP |
+ |
+## ------------------------- ## |
+## Unused %define api.pure. ## |
+## ------------------------- ## |
+ |
+AT_SETUP([[Unused %define api.pure]]) |
+ |
+# AT_CHECK_API_PURE(DECLS, VALUE) |
+# ------------------------------- |
+# Make sure Bison reports that `%define api.pure VALUE' is unused when DECLS |
+# are specified. |
+m4_define([AT_CHECK_API_PURE], |
+[ |
+AT_DATA([[input.y]], |
+[[%define api.pure ]$2[ |
+]$1[ |
+%% |
+start: ; |
+]]) |
+ |
+AT_BISON_CHECK([[input.y]], [0], [], |
+[[input.y:1.9-16: warning: %define variable `api.pure' is not used |
+]]) |
+]) |
+ |
+AT_CHECK_API_PURE([[%language "c++" %defines]], [[]]) |
+AT_CHECK_API_PURE([[%language "c++" %defines]], [["false"]]) |
+AT_CHECK_API_PURE([[%language "c++" %defines %glr-parser]], [[""]]) |
+AT_CHECK_API_PURE([[%language "c++" %defines %glr-parser]], [["false"]]) |
+AT_CHECK_API_PURE([[%language "java"]], [["true"]]) |
+AT_CHECK_API_PURE([[%language "java"]], [["false"]]) |
+ |
+AT_CLEANUP |
+ |
+## -------------------------------- ## |
+## C++ namespace reference errors. ## |
+## -------------------------------- ## |
+ |
+AT_SETUP([[C++ namespace reference errors]]) |
+ |
+# AT_CHECK_NAMESPACE_ERROR(NAMESPACE-DECL, ERROR, [ERROR], ...) |
+# ------------------------------------------------------------- |
+# Make sure Bison reports all ERROR's for %define namespace "NAMESPACE-DECL". |
+m4_define([AT_CHECK_NAMESPACE_ERROR], |
+[ |
+AT_DATA([[input.y]], |
+[[%language "C++" |
+%defines |
+%define namespace "]$1[" |
+%% |
+start: ; |
+]]) |
+ |
+AT_BISON_CHECK([[input.y]], [1], [], |
+[m4_foreach([b4_arg], m4_dquote(m4_shift($@)), |
+[[input.y:3.9-17: ]b4_arg[ |
+]])]) |
+]) |
+ |
+AT_CHECK_NAMESPACE_ERROR([[]], |
+ [[namespace reference is empty]]) |
+AT_CHECK_NAMESPACE_ERROR([[ ]], |
+ [[namespace reference is empty]]) |
+AT_CHECK_NAMESPACE_ERROR([[foo::::bar]], |
+ [[namespace reference has consecutive "::"]]) |
+AT_CHECK_NAMESPACE_ERROR([[foo:: ::bar]], |
+ [[namespace reference has consecutive "::"]]) |
+AT_CHECK_NAMESPACE_ERROR([[::::bar]], |
+ [[namespace reference has consecutive "::"]]) |
+AT_CHECK_NAMESPACE_ERROR([[:: ::bar]], |
+ [[namespace reference has consecutive "::"]]) |
+AT_CHECK_NAMESPACE_ERROR([[foo::bar:: ::]], |
+ [[namespace reference has consecutive "::"]], |
+ [[namespace reference has a trailing "::"]]) |
+AT_CHECK_NAMESPACE_ERROR([[foo::bar::]], |
+ [[namespace reference has a trailing "::"]]) |
+AT_CHECK_NAMESPACE_ERROR([[foo::bar:: ]], |
+ [[namespace reference has a trailing "::"]]) |
+AT_CHECK_NAMESPACE_ERROR([[::]], |
+ [[namespace reference has a trailing "::"]]) |
+ |
+AT_CLEANUP |