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* node.h, parse.y (new_args_gen), compile.c (iseq_set_arguments): use struct rb_args_info instead of NODEs. This is a preparation for keyword argument (see [ruby-core:40290]).

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* node.c (dump_node), gc.c (gc_mark_children, obj_free): bookkeeping.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34134 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
mame 2011-12-26 14:19:58 +00:00
parent 90b1afa310
commit afb10c62c2
6 changed files with 82 additions and 101 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
Mon Dec 26 21:03:18 2011 Yusuke Endoh <mame@tsg.ne.jp>
* node.h, parse.y (new_args_gen), compile.c (iseq_set_arguments): use
struct rb_args_info instead of NODEs.
This is a preparation for keyword argument (see [ruby-core:40290]).
* node.c (dump_node), gc.c (gc_mark_children, obj_free): bookkeeping.
Mon Dec 26 20:59:51 2011 Yusuke Endoh <mame@tsg.ne.jp>
* node.h, parse.y (lambda, f_larglist): remove NEW_LAMBDA hack.

56
compile.c
View file

@ -1068,52 +1068,34 @@ iseq_set_arguments(rb_iseq_t *iseq, LINK_ANCHOR *optargs, NODE *node_args)
debugs("iseq_set_arguments: %s\n", node_args ? "" : "0");
if (node_args) {
NODE *node_aux = node_args->nd_next;
NODE *node_opt = node_args->nd_opt;
struct rb_args_info *args = node_args->nd_ainfo;
ID rest_id = 0;
int last_comma = 0;
ID block_id = 0;
NODE *node_init = 0;
if (nd_type(node_args) != NODE_ARGS) {
rb_bug("iseq_set_arguments: NODE_ARGS is expected, but %s",
ruby_node_name(nd_type(node_args)));
}
/*
* new argument information:
* NODE_ARGS [m: int, o: NODE_OPT_ARG, ->]
* NODE_ARGS_AUX [r: ID, b: ID, ->]
* NODE_ARGS_AUX [Pst: id, Plen: int, init: NODE*]
* optarg information:
* NODE_OPT_ARGS [idx, expr, next ->]
* init arg:
* NODE_AND(m_init, p_init)
* if "r" is 1, it's means "{|x,|}" type block parameter.
*/
iseq->argc = (int)node_args->nd_frml;
iseq->argc = (int)args->pre_args_num;
debugs(" - argc: %d\n", iseq->argc);
if (node_aux) {
rest_id = node_aux->nd_rest;
if (rest_id == 1) {
last_comma = 1;
rest_id = 0;
}
block_id = (ID)node_aux->nd_body;
node_aux = node_aux->nd_next;
rest_id = args->rest_arg;
if (rest_id == 1) {
last_comma = 1;
rest_id = 0;
}
block_id = args->block_arg;
if (node_aux) {
ID post_start_id = node_aux->nd_pid;
iseq->arg_post_start = get_dyna_var_idx_at_raw(iseq, post_start_id);
iseq->arg_post_len = (int)node_aux->nd_plen;
node_init = node_aux->nd_next;
}
if (args->first_post_arg) {
iseq->arg_post_start = get_dyna_var_idx_at_raw(iseq, args->first_post_arg);
iseq->arg_post_len = args->post_args_num;
}
if (node_opt) {
NODE *node = node_opt;
if (args->opt_args) {
NODE *node = args->opt_args;
LABEL *label;
VALUE labels = rb_ary_tmp_new(1);
int i = 0, j;
@ -1145,13 +1127,11 @@ iseq_set_arguments(rb_iseq_t *iseq, LINK_ANCHOR *optargs, NODE *node_args)
iseq->arg_opts = 0;
}
if (node_init) {
if (node_init->nd_1st) { /* m_init */
COMPILE_POPED(optargs, "init arguments (m)", node_init->nd_1st);
}
if (node_init->nd_2nd) { /* p_init */
COMPILE_POPED(optargs, "init arguments (p)", node_init->nd_2nd);
}
if (args->pre_init) { /* m_init */
COMPILE_POPED(optargs, "init arguments (m)", args->pre_init);
}
if (args->post_init) { /* p_init */
COMPILE_POPED(optargs, "init arguments (p)", args->post_init);
}
if (rest_id) {

18
gc.c
View file

@ -1720,7 +1720,6 @@ gc_mark_children(rb_objspace_t *objspace, VALUE ptr, int lev)
case NODE_CALL:
case NODE_DEFS:
case NODE_OP_ASGN1:
case NODE_ARGS:
gc_mark(objspace, (VALUE)obj->as.node.u1.node, lev);
/* fall through */
case NODE_SUPER: /* 3 */
@ -1788,6 +1787,18 @@ gc_mark_children(rb_objspace_t *objspace, VALUE ptr, int lev)
ptr = (VALUE)obj->as.node.u2.node;
goto again;
case NODE_ARGS: /* custom */
{
struct rb_args_info *args = obj->as.node.u3.args;
if (args) {
if (args->pre_init) gc_mark(objspace, (VALUE)args->pre_init, lev);
if (args->post_init) gc_mark(objspace, (VALUE)args->post_init, lev);
if (args->opt_args) gc_mark(objspace, (VALUE)args->opt_args, lev);
}
}
ptr = (VALUE)obj->as.node.u2.node;
goto again;
case NODE_ZARRAY: /* - */
case NODE_ZSUPER:
case NODE_VCALL:
@ -2381,6 +2392,11 @@ obj_free(rb_objspace_t *objspace, VALUE obj)
xfree(RANY(obj)->as.node.u1.tbl);
}
break;
case NODE_ARGS:
if (RANY(obj)->as.node.u3.args) {
xfree(RANY(obj)->as.node.u3.args);
}
break;
case NODE_ALLOCA:
xfree(RANY(obj)->as.node.u1.node);
break;

53
node.c
View file

@ -837,55 +837,18 @@ dump_node(VALUE buf, VALUE indent, int comment, NODE *node)
F_NODE(nd_2nd, "post arguments");
break;
case NODE_ARGS_AUX:
ANN("method parameters (cont'd)");
F_CUSTOM1(nd_rest, "rest argument", {
if (node->nd_rest == 1) A("nil (with last comma)");
else A_ID(node->nd_rest);
});
F_CUSTOM1(nd_body, "block argument", { A_ID((ID)node->nd_body); });
LAST_NODE;
F_CUSTOM2(nd_next, "aux info 2", {
node = node->nd_next;
next_indent = "| ";
if (!node) {
D_NULL_NODE;
}
else {
D_NODE_HEADER(node);
ANN("method parameters (cont'd)");
F_ID(nd_pid, "first post argument");
F_LONG(nd_plen, "post argument length");
LAST_NODE;
F_CUSTOM2(nd_next, "aux info 3", {
node = node->nd_next;
next_indent = "| ";
if (!node) {
D_NULL_NODE;
}
else {
D_NODE_HEADER(node);
ANN("method parameters (cont'd)");
ANN("\"init arguments (m)\" evaluates multiple assignments before rest argument");
ANN("\"init arguments (p)\" evaluates multiple assignments after rest argument");
ANN("example: def foo((m1, m2), *r, (p1, p2))");
F_NODE(nd_1st, "init arguments (m)");
LAST_NODE;
F_NODE(nd_2nd, "init arguments (p)");
}
});
}
});
break;
case NODE_ARGS:
ANN("method parameters");
ANN("format: def method_name(.., [nd_opt=some], *[nd_rest], [nd_pid], .., &[nd_body])");
ANN("example: def foo(a, b, opt1=1, opt2=2, *rest, y, z, &blk); end");
F_LONG(nd_frml, "argc");
F_NODE(nd_next, "aux info 1");
LAST_NODE;
F_NODE(nd_opt, "optional arguments");
F_LONG(nd_ainfo->pre_args_num, "count of mandatory (pre-)arguments");
F_NODE(nd_ainfo->pre_init, "initialization of (pre-)arguments");
F_LONG(nd_ainfo->post_args_num, "count of mandatory post-arguments");
F_NODE(nd_ainfo->post_init, "initialization of post-arguments");
F_ID(nd_ainfo->first_post_arg, "first post argument");
F_ID(nd_ainfo->rest_arg, "rest argument");
F_ID(nd_ainfo->block_arg, "block argument");
F_NODE(nd_ainfo->opt_args, "optional arguments");
break;
case NODE_SCOPE:

17
node.h
View file

@ -253,6 +253,7 @@ typedef struct RNode {
ID id;
long state;
struct rb_global_entry *entry;
struct rb_args_info *args;
long cnt;
VALUE value;
} u3;
@ -321,6 +322,7 @@ typedef struct RNode {
#define nd_recv u1.node
#define nd_mid u2.id
#define nd_args u3.node
#define nd_ainfo u3.args
#define nd_noex u3.id
#define nd_defn u3.node
@ -415,7 +417,6 @@ typedef struct RNode {
#define NEW_VCALL(m) NEW_NODE(NODE_VCALL,0,m,0)
#define NEW_SUPER(a) NEW_NODE(NODE_SUPER,0,0,a)
#define NEW_ZSUPER() NEW_NODE(NODE_ZSUPER,0,0,0)
#define NEW_ARGS(m,o) NEW_NODE(NODE_ARGS,o,m,0)
#define NEW_ARGS_AUX(r,b) NEW_NODE(NODE_ARGS_AUX,r,b,0)
#define NEW_OPT_ARG(i,v) NEW_NODE(NODE_OPT_ARG,i,v,0)
#define NEW_POSTARG(i,v) NEW_NODE(NODE_POSTARG,i,v,0)
@ -483,6 +484,20 @@ VALUE rb_gvar_set(struct rb_global_entry *, VALUE);
VALUE rb_gvar_defined(struct rb_global_entry *);
const struct kwtable *rb_reserved_word(const char *, unsigned int);
struct rb_args_info {
long pre_args_num; /* count of mandatory pre-arguments */
NODE *pre_init;
long post_args_num; /* count of mandatory post-arguments */
NODE *post_init;
ID first_post_arg;
ID rest_arg;
ID block_arg;
NODE *opt_args;
};
struct parser_params;
void *rb_parser_malloc(struct parser_params *, size_t);
void *rb_parser_realloc(struct parser_params *, void *, size_t);

31
parse.y
View file

@ -9121,25 +9121,24 @@ static NODE*
new_args_gen(struct parser_params *parser, NODE *m, NODE *o, ID r, NODE *p, ID b)
{
int saved_line = ruby_sourceline;
NODE *node;
NODE *i1, *i2 = 0;
struct rb_args_info *args;
node = NEW_ARGS(m ? m->nd_plen : 0, o);
i1 = m ? m->nd_next : 0;
node->nd_next = NEW_ARGS_AUX(r, b);
args = ALLOC(struct rb_args_info);
args->pre_args_num = m ? m->nd_plen : 0;
args->pre_init = m ? m->nd_next : 0;
args->post_args_num = p ? p->nd_plen : 0;
args->post_init = p ? p->nd_next : 0;
args->first_post_arg = p ? p->nd_pid : 0;
args->rest_arg = r;
args->block_arg = b;
args->opt_args = o;
if (p) {
i2 = p->nd_next;
node->nd_next->nd_next = NEW_ARGS_AUX(p->nd_pid, p->nd_plen);
}
else if (i1) {
node->nd_next->nd_next = NEW_ARGS_AUX(0, 0);
}
if (i1 || i2) {
node->nd_next->nd_next->nd_next = NEW_NODE(NODE_AND, i1, i2, 0);
}
ruby_sourceline = saved_line;
return node;
return NEW_NODE(NODE_ARGS, 0, 0, args);
}
#endif /* !RIPPER */