doc: merge HACKING and README-hacking.

[bison.git] / tests / push.at

diff --git a/tests/push.at b/tests/push.at
index 4f128b26d9791283bf479dcf401fa0af0a534581..70c1fdce2062a1793376ac3b2c8af37eaa6cb19c 100644 (file)
--- a/tests/push.at
+++ b/tests/push.at
@@ -33,7 +33,7 @@ AT_DATA_GRAMMAR([[input.y]],
   void yyerror (char const *msg);
 %}
 
-%pure-parser %push-parser
+%define api.pure %define api.push_pull "push"
 
 %%
 
@@ -71,8 +71,98 @@ main (void)
 }
 ]])
 
-AT_CHECK([[bison -o input.c input.y]])
+AT_BISON_CHECK([[-o input.c input.y]])
 AT_COMPILE([[input]])
 AT_PARSER_CHECK([[./input]])
 
 AT_CLEANUP
+
+## ----------------------------------------- ##
+## Push Parsing: Multiple impure instances.  ##
+## ----------------------------------------- ##
+
+AT_SETUP([[Push Parsing: Multiple impure instances]])
+
+m4_pushdef([AT_MULTIPLE_IMPURE_INSTANCES_CHECK], [
+AT_DATA_GRAMMAR([[input.y]],
+[[
+%{
+  #include <assert.h>
+  #include <stdio.h>
+  void yyerror (char const *msg);
+  int yylex (void);
+%}
+
+%define api.push_pull "]$1["
+
+%%
+
+start: ;
+
+%%
+
+void
+yyerror (char const *msg)
+{
+  fprintf (stderr, "%s\n", msg);
+}
+
+int
+yylex (void)
+{
+  return 0;
+}
+
+int
+main (void)
+{
+  yypstate *ps;
+  int i;
+
+  for (i = 0; i < 2; ++i)
+    {
+      ps = yypstate_new ();
+      assert (ps);
+      assert (yypstate_new () == NULL);
+      ]m4_if([$1], [[both]], [[assert (yyparse () == 2)]])[;
+      yychar = 0;
+      assert (yypush_parse (ps) == 0);
+      assert (yypstate_new () == NULL);
+      ]m4_if([$1], [[both]], [[assert (yyparse () == 2)]])[;
+      yypstate_delete (ps);
+    }
+
+  return 0;
+}
+]])
+
+AT_BISON_CHECK([[-o input.c input.y]])
+AT_COMPILE([[input]])
+AT_PARSER_CHECK([[./input]])
+])
+
+AT_MULTIPLE_IMPURE_INSTANCES_CHECK([[both]])
+AT_MULTIPLE_IMPURE_INSTANCES_CHECK([[push]])
+
+m4_popdef([AT_MULTIPLE_IMPURE_INSTANCES_CHECK])
+
+AT_CLEANUP
+
+## ------------------------------------- ##
+## Push Parsing: Unsupported Skeletons.  ##
+## ------------------------------------- ##
+
+AT_SETUP([[Push Parsing: Unsupported Skeletons]])
+
+AT_DATA([[input.y]],
+[[%glr-parser
+%define api.push_pull "push"
+%%
+start: ;
+]])
+
+AT_BISON_CHECK([[input.y]], [0], [],
+[[input.y:2.9-21: warning: %define variable `api.push_pull' is not used
+]])
+
+AT_CLEANUP