* THANKS: Add Paolo Bonzini and Bob Rossi.

[bison.git] / tests / input.at

diff --git a/tests/input.at b/tests/input.at
index db73f0f4453f6a0dd978633daef565e0f1d10751..f6eb33c4d6e4f628a4462639eb2da17c3675de4c 100644 (file)
--- a/tests/input.at
+++ b/tests/input.at
@@ -175,22 +175,26 @@ AT_CLEANUP
 AT_SETUP([Default %printer and %destructor redeclared])
 
 AT_DATA([[input.y]],
 AT_SETUP([Default %printer and %destructor redeclared])
 
 AT_DATA([[input.y]],

-[[%destructor { destroy ($$); }
-%printer { destroy ($$); }
+[[%destructor { destroy ($$); } %symbol-default %symbol-default
+%printer { destroy ($$); } %symbol-default %symbol-default

 
 

-%destructor { destroy ($$); }
-%printer { destroy ($$); }
+%destructor { destroy ($$); } %symbol-default
+%printer { destroy ($$); } %symbol-default

 
 %%
 
 start: ;
 
 
 %%
 
 start: ;
 

-%destructor { destroy ($$); };
-%printer { destroy ($$); };
+%destructor { destroy ($$); } %symbol-default;
+%printer { destroy ($$); } %symbol-default;

 ]])
 
 AT_CHECK([bison input.y], [1], [],
 ]])
 
 AT_CHECK([bison input.y], [1], [],

-[[input.y:4.13-29: redeclaration for default %destructor
+[[input.y:1.13-29: redeclaration for default %destructor
+input.y:1.13-29: previous declaration
+input.y:2.10-26: redeclaration for default %printer
+input.y:2.10-26: previous declaration
+input.y:4.13-29: redeclaration for default %destructor

 input.y:1.13-29: previous declaration
 input.y:5.10-26: redeclaration for default %printer
 input.y:2.10-26: previous declaration
 input.y:1.13-29: previous declaration
 input.y:5.10-26: redeclaration for default %printer
 input.y:2.10-26: previous declaration


@@ -203,6 +207,49 @@ input.y:5.10-26: previous declaration
 AT_CLEANUP
 
 
 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_CHECK([bison 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.  ##
 ## ---------------------------------------- ##
 ## ---------------------------------------- ##
 ## Unused values with default %destructor.  ##
 ## ---------------------------------------- ##


@@ -210,7 +257,7 @@ AT_CLEANUP
 AT_SETUP([Unused values with default %destructor])
 
 AT_DATA([[input.y]],
 AT_SETUP([Unused values with default %destructor])
 
 AT_DATA([[input.y]],

-[[%destructor { destroy ($$); }
+[[%destructor { destroy ($$); } %symbol-default

 
 %%
 
 
 %%
 


@@ -227,6 +274,31 @@ input.y:6.6-8: warning: unset value: $$
 AT_CLEANUP
 
 
 AT_CLEANUP
 
 

+## ----------------------------------------- ##
+## Unused values with per-type %destructor.  ##
+## ----------------------------------------- ##
+
+AT_SETUP([Unused values with per-type %destructor])
+
+AT_DATA([[input.y]],
+[[%destructor { destroy ($$); } <field1>
+%type <field1> start end
+
+%%
+
+start: end end { $1; } ;
+end: { }  ;
+]])
+
+AT_CHECK([bison input.y], [0], [],
+[[input.y:6.8-22: warning: unset value: $$
+input.y:6.8-22: warning: unused value: $2
+input.y:7.6-8: warning: unset value: $$
+]])
+
+AT_CLEANUP
+
+

 ## ---------------------- ##
 ## Incompatible Aliases.  ##
 ## ---------------------- ##
 ## ---------------------- ##
 ## Incompatible Aliases.  ##
 ## ---------------------- ##


@@ -387,11 +459,14 @@ value_as_yystype (value val)
 static int
 yylex (void)
 {
 static int
 yylex (void)
 {

-  static const char *input = "@<:@\1\2$@{@oline@__@&t@oline__\
+  static char const input[] = "@<:@\1\2$@{@oline@__@&t@oline__\

 #output "; /* "
   */
 #output "; /* "
   */

-  yylval = value_as_yystype (*input);
-  return *input++;
+  static size_t toknum;
+  if (! (toknum < sizeof input))
+    abort ();
+  yylval = value_as_yystype (input[toknum]);
+  return input[toknum++];

 }
 
 static void
 }
 
 static void


@@ -492,3 +567,69 @@ start: 'a';
 AT_CHECK([bison -o input.c input.y])
 
 AT_CLEANUP
 AT_CHECK([bison -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_CHECK([bison -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_CHECK([bison -o input.c input.y])
+
+AT_CLEANUP