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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:
nobu 2005-07-11 14:50:42 +00:00
parent 499c4e6120
commit 27ca40e36a
4 changed files with 172 additions and 49 deletions

View file

@ -1,3 +1,11 @@
Mon Jul 11 23:50:17 2005 Nobuyoshi Nakada <nobu@ruby-lang.org>
* 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]
Mon Jul 11 08:31:29 2005 Nobuyoshi Nakada <nobu@ruby-lang.org>
* regparse.c (fetch_escaped_value): mask values following \c in
@ -1462,7 +1470,7 @@ Tue Apr 12 19:30:36 2005 Nobuyoshi Nakada <nobu@ruby-lang.org>
* lib/optparse.rb (OptionParser#make_switch, OptionParser#order!):
added non-option and end-of-args handler. [ruby-talk:136878]
(EXPERIMENTAL
[EXPERIMENTAL]
Tue Apr 12 15:33:09 2005 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>

21
eval.c
View file

@ -203,7 +203,6 @@ static void rb_f_END _((void));
static VALUE rb_f_block_given_p _((void));
static VALUE block_pass _((VALUE,NODE*));
static VALUE rb_cMethod;
static VALUE method_call _((int, VALUE*, VALUE));
static VALUE rb_cUnboundMethod;
static VALUE umethod_bind _((VALUE, VALUE));
static VALUE rb_mod_define_method _((int, VALUE*, VALUE));
@ -8524,8 +8523,8 @@ proc_invoke(proc, args, self, klass)
* from prog.rb:5
*/
static VALUE
proc_call(proc, args)
VALUE
rb_proc_call(proc, args)
VALUE proc, args; /* OK */
{
return proc_invoke(proc, args, Qundef, 0);
@ -9046,7 +9045,7 @@ method_unbind(obj)
* m.call #=> "Hello, @iv = Fred"
*/
static VALUE
VALUE
rb_obj_method(obj, vid)
VALUE obj;
VALUE vid;
@ -9126,8 +9125,8 @@ method_clone(self)
* m.call(20) #=> 32
*/
static VALUE
method_call(argc, argv, method)
VALUE
rb_method_call(argc, argv, method)
int argc;
VALUE *argv;
VALUE method;
@ -9454,7 +9453,7 @@ bmcall(args, method)
volatile VALUE a;
a = svalue_to_avalue(args);
return method_call(RARRAY(a)->len, RARRAY(a)->ptr, method);
return rb_method_call(RARRAY(a)->len, RARRAY(a)->ptr, method);
}
VALUE
@ -9654,9 +9653,9 @@ Init_Proc()
rb_define_method(rb_cProc, "clone", proc_clone, 0);
rb_define_method(rb_cProc, "dup", proc_dup, 0);
rb_define_method(rb_cProc, "call", proc_call, -2);
rb_define_method(rb_cProc, "call", rb_proc_call, -2);
rb_define_method(rb_cProc, "arity", proc_arity, 0);
rb_define_method(rb_cProc, "[]", proc_call, -2);
rb_define_method(rb_cProc, "[]", rb_proc_call, -2);
rb_define_method(rb_cProc, "==", proc_eq, 1);
rb_define_method(rb_cProc, "eql?", proc_eq, 1);
rb_define_method(rb_cProc, "hash", proc_hash, 0);
@ -9674,8 +9673,8 @@ Init_Proc()
rb_define_method(rb_cMethod, "eql?", method_eq, 1);
rb_define_method(rb_cMethod, "hash", method_hash, 0);
rb_define_method(rb_cMethod, "clone", method_clone, 0);
rb_define_method(rb_cMethod, "call", method_call, -1);
rb_define_method(rb_cMethod, "[]", method_call, -1);
rb_define_method(rb_cMethod, "call", rb_method_call, -1);
rb_define_method(rb_cMethod, "[]", rb_method_call, -1);
rb_define_method(rb_cMethod, "arity", method_arity_m, 0);
rb_define_method(rb_cMethod, "inspect", method_inspect, 0);
rb_define_method(rb_cMethod, "to_s", method_inspect, 0);

View file

@ -17,7 +17,74 @@
static VALUE rb_cEnumerator;
static ID sym_each, sym_each_with_index, sym_each_slice, sym_each_cons;
static ID id_new, id_enum_obj, id_enum_method, id_enum_args;
static VALUE
proc_call(proc, args)
VALUE proc, args;
{
if (TYPE(args) != T_ARRAY) {
args = rb_values_new(1, args);
}
return rb_proc_call(proc, args);
}
static VALUE
method_call(method, args)
VALUE method, args;
{
int argc = 0;
VALUE *argv = 0;
if (args) {
argc = RARRAY(args)->len;
argv = RARRAY(args)->ptr;
}
return rb_method_call(argc, argv, method);
}
struct enumerator {
VALUE method;
VALUE proc;
VALUE args;
VALUE (*iter)_((VALUE, struct enumerator *));
};
static void enumerator_mark _((void *));
static void
enumerator_mark(p)
void *p;
{
struct enumerator *ptr = p;
rb_gc_mark(ptr->method);
rb_gc_mark(ptr->proc);
rb_gc_mark(ptr->args);
}
static struct enumerator *
enumerator_ptr(obj)
VALUE obj;
{
struct enumerator *ptr;
Data_Get_Struct(obj, struct enumerator, ptr);
if (RDATA(obj)->dmark != enumerator_mark) {
rb_raise(rb_eTypeError,
"wrong argument type %s (expected Enumerable::Enumerator)",
rb_obj_classname(obj));
}
if (!ptr) {
rb_raise(rb_eArgError, "uninitialized enumerator");
}
return ptr;
}
static VALUE enumerator_iter_i _((VALUE, struct enumerator *));
static VALUE
enumerator_iter_i(i, e)
VALUE i;
struct enumerator *e;
{
return rb_yield(proc_call(e->proc, i));
}
static VALUE
obj_to_enum(obj, enum_args)
@ -25,29 +92,34 @@ obj_to_enum(obj, enum_args)
{
rb_ary_unshift(enum_args, obj);
return rb_apply(rb_cEnumerator, id_new, enum_args);
return rb_class_new_instance(RARRAY(enum_args)->len,
RARRAY(enum_args)->ptr,
rb_cEnumerator);
}
static VALUE
enumerator_enum_with_index(obj)
VALUE obj;
{
return rb_funcall(rb_cEnumerator, id_new, 2, obj, sym_each_with_index);
VALUE args[2];
args[0] = obj;
args[1] = sym_each_with_index;
return rb_class_new_instance(2, args, rb_cEnumerator);
}
static VALUE
each_slice_i(val, memo)
VALUE val;
NODE *memo;
VALUE *memo;
{
VALUE ary = memo->u1.value;
long size = memo->u3.cnt;
VALUE ary = memo[0];
long size = (long)memo[1];
rb_ary_push(ary, val);
if (RARRAY(ary)->len == size) {
rb_yield(ary);
memo->u1.value = rb_ary_new2(size);
memo[0] = rb_ary_new2(size);
}
return Qnil;
@ -58,16 +130,16 @@ enum_each_slice(obj, n)
VALUE obj, n;
{
long size = NUM2LONG(n);
NODE *memo;
VALUE ary;
VALUE args[2], ary;
if (size <= 0) rb_raise(rb_eArgError, "invalid slice size");
memo = rb_node_newnode(NODE_MEMO, rb_ary_new2(size), 0, size);
args[0] = rb_ary_new2(size);
args[1] = (VALUE)size;
rb_iterate(rb_each, obj, each_slice_i, (VALUE)memo);
rb_iterate(rb_each, obj, each_slice_i, (VALUE)args);
ary = memo->u1.value;
ary = args[0];
if (RARRAY(ary)->len > 0) rb_yield(ary);
return Qnil;
@ -77,16 +149,20 @@ static VALUE
enumerator_enum_slice(obj, n)
VALUE obj, n;
{
return rb_funcall(rb_cEnumerator, id_new, 3, obj, sym_each_slice, n);
VALUE args[2];
args[0] = obj;
args[1] = sym_each_slice;
args[2] = n;
return rb_class_new_instance(3, args, rb_cEnumerator);
}
static VALUE
each_cons_i(val, memo)
VALUE val;
NODE *memo;
VALUE *memo;
{
VALUE ary = memo->u1.value;
long size = memo->u3.cnt;
VALUE ary = memo[0];
long size = (long)memo[1];
if (RARRAY(ary)->len == size) {
rb_ary_shift(ary);
@ -103,12 +179,13 @@ enum_each_cons(obj, n)
VALUE obj, n;
{
long size = NUM2LONG(n);
NODE *memo;
VALUE args[2];
if (size <= 0) rb_raise(rb_eArgError, "invalid size");
memo = rb_node_newnode(NODE_MEMO, rb_ary_new2(size), 0, size);
args[0] = rb_ary_new2(size);
args[1] = (VALUE)size;
rb_iterate(rb_each, obj, each_cons_i, (VALUE)memo);
rb_iterate(rb_each, obj, each_cons_i, (VALUE)args);
return Qnil;
}
@ -117,7 +194,21 @@ static VALUE
enumerator_enum_cons(obj, n)
VALUE obj, n;
{
return rb_funcall(rb_cEnumerator, id_new, 3, obj, sym_each_cons, n);
VALUE args[2];
args[0] = obj;
args[1] = sym_each_cons;
args[2] = n;
return rb_class_new_instance(3, args, rb_cEnumerator);
}
static VALUE enumerator_allocate _((VALUE));
static VALUE
enumerator_allocate(klass)
VALUE klass;
{
struct enumerator *ptr;
return Data_Make_Struct(rb_cEnumerator, struct enumerator,
enumerator_mark, -1, ptr);
}
static VALUE
@ -127,40 +218,65 @@ enumerator_initialize(argc, argv, obj)
VALUE obj;
{
VALUE enum_obj, enum_method, enum_args;
struct enumerator *ptr = enumerator_ptr(obj);
rb_scan_args(argc, argv, "11*", &enum_obj, &enum_method, &enum_args);
if (enum_method == Qnil)
enum_method = sym_each;
rb_ivar_set(obj, id_enum_obj, enum_obj);
rb_ivar_set(obj, id_enum_method, enum_method);
rb_ivar_set(obj, id_enum_args, enum_args);
ptr->method = rb_obj_method(enum_obj, enum_method);
if (rb_block_given_p()) {
ptr->proc = rb_block_proc();
ptr->iter = enumerator_iter_i;
}
else {
ptr->iter = (VALUE (*) _((VALUE, struct enumerator *)))rb_yield;
}
ptr->args = enum_args;
return Qnil;
return obj;
}
static VALUE enumerator_iter _((VALUE));
static VALUE
enumerator_iter(memo)
NODE *memo;
VALUE memo;
{
return rb_apply(memo->u1.value, memo->u2.id, memo->u3.value);
struct enumerator *e = (struct enumerator *)memo;
return method_call(e->method, e->args);
}
static VALUE
enumerator_each(obj)
VALUE obj;
{
VALUE val;
struct enumerator *e = enumerator_ptr(obj);
obj = (VALUE)rb_node_newnode(NODE_MEMO,
rb_ivar_get(obj, id_enum_obj),
rb_to_id(rb_ivar_get(obj, id_enum_method)),
rb_ivar_get(obj, id_enum_args));
val = rb_iterate((VALUE (*)_((VALUE)))enumerator_iter, obj, rb_yield, 0);
return rb_iterate(enumerator_iter, (VALUE)e, e->iter, (VALUE)e);
}
static VALUE
enumerator_with_index_i(val, memo)
VALUE val, *memo;
{
val = rb_yield_values(2, val, INT2FIX(*memo));
++*memo;
return val;
}
static VALUE
enumerator_with_index(obj)
VALUE obj;
{
struct enumerator *e = enumerator_ptr(obj);
VALUE memo = 0;
return rb_iterate(enumerator_iter, (VALUE)e,
enumerator_with_index_i, (VALUE)&memo);
}
void
Init_enumerator()
{
@ -180,16 +296,13 @@ Init_enumerator()
rb_cEnumerator = rb_define_class_under(rb_mEnumerable, "Enumerator", rb_cObject);
rb_include_module(rb_cEnumerator, rb_mEnumerable);
rb_define_alloc_func(rb_cEnumerator, enumerator_allocate);
rb_define_method(rb_cEnumerator, "initialize", enumerator_initialize, -1);
rb_define_method(rb_cEnumerator, "each", enumerator_each, 0);
rb_define_method(rb_cEnumerator, "with_index", enumerator_with_index, 0);
sym_each = ID2SYM(rb_intern("each"));
sym_each_with_index = ID2SYM(rb_intern("each_with_index"));
sym_each_slice = ID2SYM(rb_intern("each_slice"));
sym_each_cons = ID2SYM(rb_intern("each_cons"));
id_new = rb_intern("new");
id_enum_obj = rb_intern("enum_obj");
id_enum_method = rb_intern("enum_method");
id_enum_args = rb_intern("enum_args");
}

View file

@ -222,7 +222,10 @@ VALUE rb_class_new_instance _((int, VALUE*, VALUE));
VALUE rb_block_proc _((void));
VALUE rb_f_lambda _((void));
VALUE rb_proc_new _((VALUE (*)(ANYARGS/* VALUE yieldarg[, VALUE procarg] */), VALUE));
VALUE rb_proc_call _((VALUE, VALUE));
int rb_proc_arity _((VALUE));
VALUE rb_obj_method _((VALUE, VALUE));
VALUE rb_method_call _((int, VALUE*, VALUE));
int rb_mod_method_arity _((VALUE, ID));
int rb_obj_method_arity _((VALUE, ID));
VALUE rb_protect _((VALUE (*)(VALUE), VALUE, int*));