Merge branch 'maint'

[bison.git] / tests / input.at

diff --git a/tests/input.at b/tests/input.at
index 694adf3b3d1e68d8b88144aacc84ccb9e446a467..3d3cf98e07d0bd33656bea577271268dd112d9c9 100644 (file)
--- a/tests/input.at
+++ b/tests/input.at
@@ -200,29 +200,29 @@ start: ;
 ]])
 
 AT_BISON_CHECK([input.y], [1], [],
-[[input.y:1.13-29: redeclaration for default tagged %destructor
+[[input.y:1.13-29: %destructor redeclaration for <*>
 input.y:1.13-29: previous declaration
-input.y:2.10-24: redeclaration for default tagged %printer
+input.y:2.10-24: %printer redeclaration for <*>
 input.y:2.10-24: previous declaration
-input.y:4.13-29: redeclaration for default tagged %destructor
+input.y:4.13-29: %destructor redeclaration for <*>
 input.y:1.13-29: previous declaration
-input.y:5.10-24: redeclaration for default tagged %printer
+input.y:5.10-24: %printer redeclaration for <*>
 input.y:2.10-24: previous declaration
-input.y:7.13-29: redeclaration for default tagless %destructor
+input.y:7.13-29: %destructor redeclaration for <>
 input.y:7.13-29: previous declaration
-input.y:8.10-24: redeclaration for default tagless %printer
+input.y:8.10-24: %printer redeclaration for <>
 input.y:8.10-24: previous declaration
-input.y:10.13-29: redeclaration for default tagless %destructor
+input.y:10.13-29: %destructor redeclaration for <>
 input.y:7.13-29: previous declaration
-input.y:11.10-24: redeclaration for default tagless %printer
+input.y:11.10-24: %printer redeclaration for <>
 input.y:8.10-24: previous declaration
-input.y:17.13-29: redeclaration for default tagged %destructor
+input.y:17.13-29: %destructor redeclaration for <*>
 input.y:4.13-29: previous declaration
-input.y:18.10-24: redeclaration for default tagged %printer
+input.y:18.10-24: %printer redeclaration for <*>
 input.y:5.10-24: previous declaration
-input.y:20.13-29: redeclaration for default tagless %destructor
+input.y:20.13-29: %destructor redeclaration for <>
 input.y:10.13-29: previous declaration
-input.y:21.10-24: redeclaration for default tagless %printer
+input.y:21.10-24: %printer redeclaration for <>
 input.y:11.10-24: previous declaration
 ]])
 
@@ -329,8 +329,16 @@ AT_CLEANUP
 
 AT_SETUP([Useless printers or destructors])
 
-AT_DATA([[input.y]],
-[[%token <type1> token1
+# AT_TEST([INPUT], [STDERR])
+# --------------------------
+m4_pushdef([AT_TEST],
+[AT_DATA([[input.y]],
+[$1
+])
+AT_BISON_CHECK([input.y], [0], [], [$2
+])])
+
+AT_TEST([[%token <type1> token1
 %token <type2> token2
 %token <type3> token3
 %token <type4> token4
@@ -356,14 +364,26 @@ AT_DATA([[input.y]],
 %destructor {} <type7>
 
 %%
-exp: "a";
-]])
-
-AT_BISON_CHECK([input.y], [0], [],
+exp: "a";]],
 [[input.y:16.13-19: warning: useless %printer for type <type1> [-Wother]
-input.y:17.16-22: warning: useless %destructor for type <type2> [-Wother]
-]])
+input.y:17.16-22: warning: useless %destructor for type <type2> [-Wother]]])
+
+# If everybody is typed, <> is useless.
+AT_TEST([[%type <type> exp
+%token <type> a
+%printer {} <> <*>
+%%
+exp: a;]],
+[[input.y:3.13-14: warning: useless %printer for type <> [-Wother]]])
 
+# If nobody is typed, <*> is useless.
+AT_TEST([[%token a
+%printer {} <> <*>
+%%
+exp: a;]],
+[[input.y:2.16-18: warning: useless %printer for type <*> [-Wother]]])
+
+m4_popdef([AT_TEST])
 
 AT_CLEANUP
 
@@ -1471,3 +1491,102 @@ AT_TEST([%define api.prefix foo], [-p bar], [input.y:1.9-18])
 m4_popdef([AT_TEST])
 
 AT_CLEANUP
+
+
+## -------------- ##
+## Stray $ or @.  ##
+## -------------- ##
+
+AT_SETUP([[Stray $ or @]])
+
+# Give %printer and %destructor "<*> exp TOK" instead of "<*>" to
+# check that the warnings are reported once, not three times.
+
+AT_DATA_GRAMMAR([[input.y]],
+[[%type <TYPE> exp
+%token <TYPE> TOK TOK2
+%destructor     { $%; @%; } <*> exp TOK;
+%initial-action { $%; @%; };
+%printer        { $%; @%; } <*> exp TOK;
+%%
+exp: TOK        { $%; @%; $$ = $1; };
+]])
+
+AT_BISON_CHECK([[input.y]], 0, [],
+[[input.y:11.19: warning: stray '$' [-Wother]
+input.y:11.23: warning: stray '@' [-Wother]
+input.y:12.19: warning: stray '$' [-Wother]
+input.y:12.23: warning: stray '@' [-Wother]
+input.y:13.19: warning: stray '$' [-Wother]
+input.y:13.23: warning: stray '@' [-Wother]
+input.y:15.19: warning: stray '$' [-Wother]
+input.y:15.23: warning: stray '@' [-Wother]
+]])
+
+AT_CLEANUP
+
+
+
+## ---------------- ##
+## Code injection.  ##
+## ---------------- ##
+
+
+AT_SETUP([[Code injection]])
+
+m4_pattern_allow([^m4_errprintn$])
+
+# AT_TEST([MACRO])
+# ----------------
+# Try to have MACRO be run by bison.
+m4_pushdef([AT_TEST],
+[AT_DATA([[input.y]],
+[[%type <$1(DEAD %type)> exp
+%token <$1(DEAD %token)> a
+%token b
+%initial-action
+{
+  $$;
+  $<$1(DEAD %initial-action)>$
+};
+%printer
+{
+  $$
+  $<$1(DEAD %printer)>$
+} <> <*>;
+%lex-param
+{
+  $1(DEAD %lex-param)
+};
+%parse-param
+{
+  $1(DEAD %parse-param)
+};
+%%
+exp:
+  a a[name] b
+  {
+    $$;
+    $][1;
+    $<$1(DEAD action 1)>$
+    $<$1(DEAD action 2)>1
+    $<$1(DEAD action 3)>name
+    $<$1(DEAD action 4)>0
+    ;
+  };
+]])
+
+# FIXME: Provide a means to iterate over all the skeletons.
+AT_BISON_CHECK([[-d               input.y]])
+AT_BISON_CHECK([[-d -S glr.c      input.y]])
+AT_BISON_CHECK([[-d -S lalr1.cc   input.y]])
+AT_BISON_CHECK([[-d -S glr.cc     input.y]])
+AT_BISON_CHECK([[   -S lalr1.java input.y]])
+])
+
+AT_TEST([m4_errprintn])
+AT_TEST([@:>@m4_errprintn])
+
+m4_popdef([AT_TEST])
+
+AT_CLEANUP