diff --git a/ChangeLog b/ChangeLog index a940522549..fc8ae2c2a9 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,26 +1,3 @@ -Tue Aug 14 19:19:10 2012 Benoit Daloze - - update PP with recent Kernel#inspect change. Patch by Yusuke Endoh. - - * lib/pp.rb (class PP): do not call #to_s anymore, as #inspect no more does. - * test/test_pp.rb (class PPInspectTest): remove related assertion. - [ruby-core:43238][Feature #6130] - -Tue Aug 14 19:09:38 2012 Benoit Daloze - - Kernel#inspect: improve consistency and do not call #to_s. - - A class can now benefit from the nice default #inspect even if it - defines #to_s. Also, there is no more unexpected change in #inspect - result. Internal structures have been adapted so they don't rely - on the removed behavior (#inspect calling overridden #to_s). - - * object.c (rb_obj_inspect): Kernel#inspect: do not call #to_s. - * test/ruby/test_object.rb (test_inspect): add tests for Kernel#inspect. - * bignum.c, io.c, numeric.c, object.c, proc.c, vm.c (Init_*): - alias #inspect to #to_s where it was expected. - [ruby-core:43238][Feature #6130] - Tue Aug 14 16:25:46 2012 Shugo Maeda * test/erb/test_erb.rb (test_html_escape): add assertions for the diff --git a/bignum.c b/bignum.c index fc713a00cd..3394825ce8 100644 --- a/bignum.c +++ b/bignum.c @@ -3835,7 +3835,6 @@ Init_Bignum(void) rb_cBignum = rb_define_class("Bignum", rb_cInteger); rb_define_method(rb_cBignum, "to_s", rb_big_to_s, -1); - rb_define_alias(rb_cBignum, "inspect", "to_s"); rb_define_method(rb_cBignum, "coerce", rb_big_coerce, 1); rb_define_method(rb_cBignum, "-@", rb_big_uminus, 0); rb_define_method(rb_cBignum, "+", rb_big_plus, 1); diff --git a/io.c b/io.c index b1a38cc707..52eb49574b 100644 --- a/io.c +++ b/io.c @@ -11505,7 +11505,6 @@ Init_IO(void) rb_define_method(rb_cARGF, "initialize", argf_initialize, -2); rb_define_method(rb_cARGF, "initialize_copy", argf_initialize_copy, 1); rb_define_method(rb_cARGF, "to_s", argf_to_s, 0); - rb_define_alias(rb_cARGF, "inspect", "to_s"); rb_define_method(rb_cARGF, "argv", argf_argv, 0); rb_define_method(rb_cARGF, "fileno", argf_fileno, 0); diff --git a/lib/pp.rb b/lib/pp.rb index 6e0c797d2e..94269abe65 100644 --- a/lib/pp.rb +++ b/lib/pp.rb @@ -265,7 +265,8 @@ class PP < PrettyPrint module ObjectMixin # 1. specific pretty_print # 2. specific inspect - # 3. generic pretty_print + # 3. specific to_s + # 4. generic pretty_print # A default pretty printing method for general objects. # It calls #pretty_print_instance_variables to list instance variables. @@ -282,10 +283,18 @@ class PP < PrettyPrint inspect_method = method_method.call(:inspect) rescue NameError end + begin + to_s_method = method_method.call(:to_s) + rescue NameError + end if inspect_method && /\(Kernel\)#/ !~ inspect_method.inspect q.text self.inspect elsif !inspect_method && self.respond_to?(:inspect) q.text self.inspect + elsif to_s_method && /\(Kernel\)#/ !~ to_s_method.inspect + q.text self.to_s + elsif !to_s_method && self.respond_to?(:to_s) + q.text self.to_s else q.pp_object(self) end diff --git a/numeric.c b/numeric.c index 5ac5449238..73626e1c05 100644 --- a/numeric.c +++ b/numeric.c @@ -3660,7 +3660,6 @@ Init_Numeric(void) rb_cFixnum = rb_define_class("Fixnum", rb_cInteger); rb_define_method(rb_cFixnum, "to_s", fix_to_s, -1); - rb_define_alias(rb_cFixnum, "inspect", "to_s"); rb_define_method(rb_cFixnum, "-@", fix_uminus, 0); rb_define_method(rb_cFixnum, "+", fix_plus, 1); @@ -3721,7 +3720,6 @@ Init_Numeric(void) rb_define_const(rb_cFloat, "NAN", DBL2NUM(NAN)); rb_define_method(rb_cFloat, "to_s", flo_to_s, 0); - rb_define_alias(rb_cFloat, "inspect", "to_s"); rb_define_method(rb_cFloat, "coerce", flo_coerce, 1); rb_define_method(rb_cFloat, "-@", flo_uminus, 0); rb_define_method(rb_cFloat, "+", flo_plus, 1); diff --git a/object.c b/object.c index b7e1b58c81..1e005e53af 100644 --- a/object.c +++ b/object.c @@ -450,8 +450,11 @@ inspect_obj(VALUE obj, VALUE str, int recur) * obj.inspect -> string * * Returns a string containing a human-readable representation of obj. - * By default, show the class name and the list of the instance variables and - * their values (by calling #inspect on each of them). + * By default, if the obj has instance variables, show the class name + * and instance variable details which is the list of the name and the result + * of inspect method for each instance variable. + * Otherwise uses the to_s method to generate the string. + * If the to_s method is overridden, uses it. * User defined classes should override this method to make better * representation of obj. When overriding this method, it should * return a string whose encoding is compatible with the default external @@ -476,21 +479,35 @@ inspect_obj(VALUE obj, VALUE str, int recur) * "baz" * end * end - * Baz.new.inspect #=> "#" + * Baz.new.inspect #=> "baz" */ static VALUE rb_obj_inspect(VALUE obj) { - if (rb_ivar_count(obj) > 0) { - VALUE str; - const char *c = rb_obj_classname(obj); + if (RB_TYPE_P(obj, T_OBJECT) && rb_obj_basic_to_s_p(obj)) { + int has_ivar = 0; + VALUE *ptr = ROBJECT_IVPTR(obj); + long len = ROBJECT_NUMIV(obj); + long i; - str = rb_sprintf("-<%s:%p", c, (void*)obj); - return rb_exec_recursive(inspect_obj, obj, str); - } else { + for (i = 0; i < len; i++) { + if (ptr[i] != Qundef) { + has_ivar = 1; + break; + } + } + + if (has_ivar) { + VALUE str; + const char *c = rb_obj_classname(obj); + + str = rb_sprintf("-<%s:%p", c, (void*)obj); + return rb_exec_recursive(inspect_obj, obj, str); + } return rb_any_to_s(obj); } + return rb_funcall(obj, rb_intern("to_s"), 0, 0); } static VALUE @@ -2934,7 +2951,6 @@ Init_Object(void) rb_define_method(rb_cModule, ">=", rb_mod_ge, 1); rb_define_method(rb_cModule, "initialize_copy", rb_mod_init_copy, 1); /* in class.c */ rb_define_method(rb_cModule, "to_s", rb_mod_to_s, 0); - rb_define_alias(rb_cModule, "inspect", "to_s"); rb_define_method(rb_cModule, "included_modules", rb_mod_included_modules, 0); /* in class.c */ rb_define_method(rb_cModule, "include?", rb_mod_include_p, 1); /* in class.c */ rb_define_method(rb_cModule, "name", rb_mod_name, 0); /* in variable.c */ @@ -2987,7 +3003,6 @@ Init_Object(void) rb_cTrueClass = rb_define_class("TrueClass", rb_cObject); rb_define_method(rb_cTrueClass, "to_s", true_to_s, 0); - rb_define_alias(rb_cTrueClass, "inspect", "to_s"); rb_define_method(rb_cTrueClass, "&", true_and, 1); rb_define_method(rb_cTrueClass, "|", true_or, 1); rb_define_method(rb_cTrueClass, "^", true_xor, 1); @@ -3000,7 +3015,6 @@ Init_Object(void) rb_cFalseClass = rb_define_class("FalseClass", rb_cObject); rb_define_method(rb_cFalseClass, "to_s", false_to_s, 0); - rb_define_alias(rb_cFalseClass, "inspect", "to_s"); rb_define_method(rb_cFalseClass, "&", false_and, 1); rb_define_method(rb_cFalseClass, "|", false_or, 1); rb_define_method(rb_cFalseClass, "^", false_xor, 1); diff --git a/proc.c b/proc.c index 9ed6dbb2e7..6ccb888bd7 100644 --- a/proc.c +++ b/proc.c @@ -2217,7 +2217,6 @@ Init_Proc(void) rb_define_method(rb_cProc, "eql?", proc_eq, 1); rb_define_method(rb_cProc, "hash", proc_hash, 0); rb_define_method(rb_cProc, "to_s", proc_to_s, 0); - rb_define_alias(rb_cProc, "inspect", "to_s"); rb_define_method(rb_cProc, "lambda?", rb_proc_lambda_p, 0); rb_define_method(rb_cProc, "binding", proc_binding, 0); rb_define_method(rb_cProc, "curry", proc_curry, -1); diff --git a/test/ruby/test_object.rb b/test/ruby/test_object.rb index 61482f7c1a..70dcd04201 100644 --- a/test/ruby/test_object.rb +++ b/test/ruby/test_object.rb @@ -690,31 +690,6 @@ class TestObject < Test::Unit::TestCase assert_equal(true, s.tainted?) end - def test_inspect - x = Object.new - assert_match(/\A#\z/, x.inspect) - - x.instance_variable_set(:@ivar, :value) - assert_match(/\A#\z/, x.inspect) - - x = Object.new - x.instance_variable_set(:@recur, x) - assert_match(/\A#>\z/, x.inspect) - - x = Object.new - x.instance_variable_set(:@foo, "value") - x.instance_variable_set(:@bar, 42) - assert_match(/\A#\z/, x.inspect) - - # #inspect does not call #to_s anymore - feature6130 = '[ruby-core:43238]' - x = Object.new - def x.to_s - "to_s" - end - assert_match(/\A#\z/, x.inspect, feature6130) - end - def test_exec_recursive Thread.current[:__recursive_key__] = nil a = [[]] diff --git a/test/test_pp.rb b/test/test_pp.rb index acd3e835b9..fe65287d88 100644 --- a/test/test_pp.rb +++ b/test/test_pp.rb @@ -118,6 +118,7 @@ class PPInspectTest < Test::Unit::TestCase def a.to_s() "aaa" end result = PP.pp(a, '') assert_equal("#{a.inspect}\n", result) + assert_equal("aaa\n", result) end end diff --git a/vm.c b/vm.c index 80dd512ae1..30d0f8a7bd 100644 --- a/vm.c +++ b/vm.c @@ -2229,7 +2229,6 @@ Init_top_self(void) vm->top_self = rb_obj_alloc(rb_cObject); rb_define_singleton_method(rb_vm_top_self(), "to_s", main_to_s, 0); - rb_define_alias(rb_singleton_class(rb_vm_top_self()), "inspect", "to_s"); /* initialize mark object array */ vm->mark_object_ary = rb_ary_tmp_new(1);