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* eval.c, intern.h (rb_proc_call, rb_obj_method, rb_method_call):
export. * ext/enumerator/enumerator.c (enumerator_with_index): [EXPERIMENTAL] added a new method Enumerator#with_index. [ruby-talk:147728] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8750 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
parent
499c4e6120
commit
27ca40e36a
4 changed files with 172 additions and 49 deletions
10
ChangeLog
10
ChangeLog
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@ -1,3 +1,11 @@
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Mon Jul 11 23:50:17 2005 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* eval.c, intern.h (rb_proc_call, rb_obj_method, rb_method_call):
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export.
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* ext/enumerator/enumerator.c (enumerator_with_index): [EXPERIMENTAL]
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added a new method Enumerator#with_index. [ruby-talk:147728]
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Mon Jul 11 08:31:29 2005 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* regparse.c (fetch_escaped_value): mask values following \c in
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@ -1462,7 +1470,7 @@ Tue Apr 12 19:30:36 2005 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* lib/optparse.rb (OptionParser#make_switch, OptionParser#order!):
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added non-option and end-of-args handler. [ruby-talk:136878]
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(EXPERIMENTAL
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[EXPERIMENTAL]
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Tue Apr 12 15:33:09 2005 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>
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21
eval.c
21
eval.c
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@ -203,7 +203,6 @@ static void rb_f_END _((void));
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static VALUE rb_f_block_given_p _((void));
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static VALUE block_pass _((VALUE,NODE*));
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static VALUE rb_cMethod;
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static VALUE method_call _((int, VALUE*, VALUE));
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static VALUE rb_cUnboundMethod;
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static VALUE umethod_bind _((VALUE, VALUE));
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static VALUE rb_mod_define_method _((int, VALUE*, VALUE));
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@ -8524,8 +8523,8 @@ proc_invoke(proc, args, self, klass)
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* from prog.rb:5
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*/
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static VALUE
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proc_call(proc, args)
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VALUE
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rb_proc_call(proc, args)
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VALUE proc, args; /* OK */
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{
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return proc_invoke(proc, args, Qundef, 0);
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@ -9046,7 +9045,7 @@ method_unbind(obj)
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* m.call #=> "Hello, @iv = Fred"
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*/
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static VALUE
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VALUE
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rb_obj_method(obj, vid)
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VALUE obj;
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VALUE vid;
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@ -9126,8 +9125,8 @@ method_clone(self)
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* m.call(20) #=> 32
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*/
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static VALUE
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method_call(argc, argv, method)
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VALUE
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rb_method_call(argc, argv, method)
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int argc;
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VALUE *argv;
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VALUE method;
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@ -9454,7 +9453,7 @@ bmcall(args, method)
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volatile VALUE a;
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a = svalue_to_avalue(args);
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return method_call(RARRAY(a)->len, RARRAY(a)->ptr, method);
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return rb_method_call(RARRAY(a)->len, RARRAY(a)->ptr, method);
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}
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VALUE
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@ -9654,9 +9653,9 @@ Init_Proc()
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rb_define_method(rb_cProc, "clone", proc_clone, 0);
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rb_define_method(rb_cProc, "dup", proc_dup, 0);
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rb_define_method(rb_cProc, "call", proc_call, -2);
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rb_define_method(rb_cProc, "call", rb_proc_call, -2);
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rb_define_method(rb_cProc, "arity", proc_arity, 0);
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rb_define_method(rb_cProc, "[]", proc_call, -2);
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rb_define_method(rb_cProc, "[]", rb_proc_call, -2);
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rb_define_method(rb_cProc, "==", proc_eq, 1);
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rb_define_method(rb_cProc, "eql?", proc_eq, 1);
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rb_define_method(rb_cProc, "hash", proc_hash, 0);
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@ -9674,8 +9673,8 @@ Init_Proc()
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rb_define_method(rb_cMethod, "eql?", method_eq, 1);
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rb_define_method(rb_cMethod, "hash", method_hash, 0);
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rb_define_method(rb_cMethod, "clone", method_clone, 0);
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rb_define_method(rb_cMethod, "call", method_call, -1);
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rb_define_method(rb_cMethod, "[]", method_call, -1);
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rb_define_method(rb_cMethod, "call", rb_method_call, -1);
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rb_define_method(rb_cMethod, "[]", rb_method_call, -1);
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rb_define_method(rb_cMethod, "arity", method_arity_m, 0);
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rb_define_method(rb_cMethod, "inspect", method_inspect, 0);
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rb_define_method(rb_cMethod, "to_s", method_inspect, 0);
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@ -17,7 +17,74 @@
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static VALUE rb_cEnumerator;
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static ID sym_each, sym_each_with_index, sym_each_slice, sym_each_cons;
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static ID id_new, id_enum_obj, id_enum_method, id_enum_args;
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static VALUE
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proc_call(proc, args)
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VALUE proc, args;
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{
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if (TYPE(args) != T_ARRAY) {
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args = rb_values_new(1, args);
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}
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return rb_proc_call(proc, args);
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}
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static VALUE
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method_call(method, args)
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VALUE method, args;
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{
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int argc = 0;
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VALUE *argv = 0;
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if (args) {
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argc = RARRAY(args)->len;
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argv = RARRAY(args)->ptr;
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}
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return rb_method_call(argc, argv, method);
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}
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struct enumerator {
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VALUE method;
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VALUE proc;
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VALUE args;
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VALUE (*iter)_((VALUE, struct enumerator *));
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};
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static void enumerator_mark _((void *));
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static void
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enumerator_mark(p)
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void *p;
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{
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struct enumerator *ptr = p;
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rb_gc_mark(ptr->method);
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rb_gc_mark(ptr->proc);
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rb_gc_mark(ptr->args);
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}
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static struct enumerator *
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enumerator_ptr(obj)
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VALUE obj;
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{
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struct enumerator *ptr;
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Data_Get_Struct(obj, struct enumerator, ptr);
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if (RDATA(obj)->dmark != enumerator_mark) {
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rb_raise(rb_eTypeError,
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"wrong argument type %s (expected Enumerable::Enumerator)",
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rb_obj_classname(obj));
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}
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if (!ptr) {
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rb_raise(rb_eArgError, "uninitialized enumerator");
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}
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return ptr;
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}
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static VALUE enumerator_iter_i _((VALUE, struct enumerator *));
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static VALUE
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enumerator_iter_i(i, e)
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VALUE i;
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struct enumerator *e;
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{
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return rb_yield(proc_call(e->proc, i));
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}
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static VALUE
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obj_to_enum(obj, enum_args)
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@ -25,29 +92,34 @@ obj_to_enum(obj, enum_args)
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{
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rb_ary_unshift(enum_args, obj);
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return rb_apply(rb_cEnumerator, id_new, enum_args);
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return rb_class_new_instance(RARRAY(enum_args)->len,
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RARRAY(enum_args)->ptr,
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rb_cEnumerator);
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}
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static VALUE
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enumerator_enum_with_index(obj)
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VALUE obj;
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{
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return rb_funcall(rb_cEnumerator, id_new, 2, obj, sym_each_with_index);
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VALUE args[2];
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args[0] = obj;
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args[1] = sym_each_with_index;
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return rb_class_new_instance(2, args, rb_cEnumerator);
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}
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static VALUE
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each_slice_i(val, memo)
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VALUE val;
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NODE *memo;
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VALUE *memo;
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{
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VALUE ary = memo->u1.value;
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long size = memo->u3.cnt;
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VALUE ary = memo[0];
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long size = (long)memo[1];
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rb_ary_push(ary, val);
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if (RARRAY(ary)->len == size) {
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rb_yield(ary);
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memo->u1.value = rb_ary_new2(size);
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memo[0] = rb_ary_new2(size);
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}
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return Qnil;
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@ -58,16 +130,16 @@ enum_each_slice(obj, n)
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VALUE obj, n;
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{
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long size = NUM2LONG(n);
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NODE *memo;
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VALUE ary;
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VALUE args[2], ary;
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if (size <= 0) rb_raise(rb_eArgError, "invalid slice size");
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memo = rb_node_newnode(NODE_MEMO, rb_ary_new2(size), 0, size);
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args[0] = rb_ary_new2(size);
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args[1] = (VALUE)size;
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rb_iterate(rb_each, obj, each_slice_i, (VALUE)memo);
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rb_iterate(rb_each, obj, each_slice_i, (VALUE)args);
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ary = memo->u1.value;
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ary = args[0];
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if (RARRAY(ary)->len > 0) rb_yield(ary);
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return Qnil;
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enumerator_enum_slice(obj, n)
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VALUE obj, n;
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{
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return rb_funcall(rb_cEnumerator, id_new, 3, obj, sym_each_slice, n);
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VALUE args[2];
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args[0] = obj;
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args[1] = sym_each_slice;
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args[2] = n;
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return rb_class_new_instance(3, args, rb_cEnumerator);
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}
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static VALUE
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each_cons_i(val, memo)
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VALUE val;
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NODE *memo;
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VALUE *memo;
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{
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VALUE ary = memo->u1.value;
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long size = memo->u3.cnt;
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VALUE ary = memo[0];
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long size = (long)memo[1];
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if (RARRAY(ary)->len == size) {
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rb_ary_shift(ary);
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VALUE obj, n;
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{
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long size = NUM2LONG(n);
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NODE *memo;
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VALUE args[2];
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if (size <= 0) rb_raise(rb_eArgError, "invalid size");
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memo = rb_node_newnode(NODE_MEMO, rb_ary_new2(size), 0, size);
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args[0] = rb_ary_new2(size);
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args[1] = (VALUE)size;
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rb_iterate(rb_each, obj, each_cons_i, (VALUE)memo);
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rb_iterate(rb_each, obj, each_cons_i, (VALUE)args);
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return Qnil;
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}
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enumerator_enum_cons(obj, n)
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VALUE obj, n;
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{
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return rb_funcall(rb_cEnumerator, id_new, 3, obj, sym_each_cons, n);
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VALUE args[2];
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args[0] = obj;
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args[1] = sym_each_cons;
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args[2] = n;
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return rb_class_new_instance(3, args, rb_cEnumerator);
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}
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static VALUE enumerator_allocate _((VALUE));
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static VALUE
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enumerator_allocate(klass)
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VALUE klass;
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{
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struct enumerator *ptr;
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return Data_Make_Struct(rb_cEnumerator, struct enumerator,
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enumerator_mark, -1, ptr);
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}
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static VALUE
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VALUE obj;
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{
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VALUE enum_obj, enum_method, enum_args;
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struct enumerator *ptr = enumerator_ptr(obj);
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rb_scan_args(argc, argv, "11*", &enum_obj, &enum_method, &enum_args);
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if (enum_method == Qnil)
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enum_method = sym_each;
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rb_ivar_set(obj, id_enum_obj, enum_obj);
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rb_ivar_set(obj, id_enum_method, enum_method);
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rb_ivar_set(obj, id_enum_args, enum_args);
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ptr->method = rb_obj_method(enum_obj, enum_method);
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if (rb_block_given_p()) {
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ptr->proc = rb_block_proc();
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ptr->iter = enumerator_iter_i;
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}
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else {
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ptr->iter = (VALUE (*) _((VALUE, struct enumerator *)))rb_yield;
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}
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ptr->args = enum_args;
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return Qnil;
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return obj;
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}
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static VALUE enumerator_iter _((VALUE));
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static VALUE
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enumerator_iter(memo)
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NODE *memo;
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VALUE memo;
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{
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return rb_apply(memo->u1.value, memo->u2.id, memo->u3.value);
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struct enumerator *e = (struct enumerator *)memo;
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return method_call(e->method, e->args);
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}
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static VALUE
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enumerator_each(obj)
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VALUE obj;
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{
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VALUE val;
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struct enumerator *e = enumerator_ptr(obj);
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obj = (VALUE)rb_node_newnode(NODE_MEMO,
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rb_ivar_get(obj, id_enum_obj),
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rb_to_id(rb_ivar_get(obj, id_enum_method)),
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rb_ivar_get(obj, id_enum_args));
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val = rb_iterate((VALUE (*)_((VALUE)))enumerator_iter, obj, rb_yield, 0);
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return rb_iterate(enumerator_iter, (VALUE)e, e->iter, (VALUE)e);
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}
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static VALUE
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enumerator_with_index_i(val, memo)
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VALUE val, *memo;
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{
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val = rb_yield_values(2, val, INT2FIX(*memo));
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++*memo;
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return val;
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}
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static VALUE
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enumerator_with_index(obj)
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VALUE obj;
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{
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struct enumerator *e = enumerator_ptr(obj);
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VALUE memo = 0;
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return rb_iterate(enumerator_iter, (VALUE)e,
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enumerator_with_index_i, (VALUE)&memo);
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}
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void
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Init_enumerator()
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{
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rb_cEnumerator = rb_define_class_under(rb_mEnumerable, "Enumerator", rb_cObject);
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rb_include_module(rb_cEnumerator, rb_mEnumerable);
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rb_define_alloc_func(rb_cEnumerator, enumerator_allocate);
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rb_define_method(rb_cEnumerator, "initialize", enumerator_initialize, -1);
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rb_define_method(rb_cEnumerator, "each", enumerator_each, 0);
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rb_define_method(rb_cEnumerator, "with_index", enumerator_with_index, 0);
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sym_each = ID2SYM(rb_intern("each"));
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sym_each_with_index = ID2SYM(rb_intern("each_with_index"));
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sym_each_slice = ID2SYM(rb_intern("each_slice"));
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sym_each_cons = ID2SYM(rb_intern("each_cons"));
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id_new = rb_intern("new");
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id_enum_obj = rb_intern("enum_obj");
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id_enum_method = rb_intern("enum_method");
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id_enum_args = rb_intern("enum_args");
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}
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3
intern.h
3
intern.h
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@ -222,7 +222,10 @@ VALUE rb_class_new_instance _((int, VALUE*, VALUE));
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VALUE rb_block_proc _((void));
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VALUE rb_f_lambda _((void));
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VALUE rb_proc_new _((VALUE (*)(ANYARGS/* VALUE yieldarg[, VALUE procarg] */), VALUE));
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VALUE rb_proc_call _((VALUE, VALUE));
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int rb_proc_arity _((VALUE));
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VALUE rb_obj_method _((VALUE, VALUE));
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VALUE rb_method_call _((int, VALUE*, VALUE));
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int rb_mod_method_arity _((VALUE, ID));
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int rb_obj_method_arity _((VALUE, ID));
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VALUE rb_protect _((VALUE (*)(VALUE), VALUE, int*));
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