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node.c: flatten NODE_BLOCK [ci skip]

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* node.c (dump_node): flatten statements in NODE_BLOCK.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56348 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-10-05 06:43:34 +00:00
parent 82dd08285f
commit e3e17eb975
2 changed files with 23 additions and 4 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Wed Oct 5 15:43:32 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
* node.c (dump_node): flatten statements in NODE_BLOCK.
Wed Oct 5 14:27:36 2016 Byron Bowerman <me@bm5k.com>
* range.c: Add docs for max/min behavior with exclusive range.

23
node.c
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@ -16,6 +16,8 @@
#define AR(str) rb_str_concat(buf, (str))
#define A_INDENT add_indent(buf, indent)
#define D_INDENT rb_str_cat2(indent, next_indent)
#define D_DEDENT rb_str_resize(indent, RSTRING_LEN(indent) - 4)
#define A_ID(id) add_id(buf, (id))
#define A_INT(val) rb_str_catf(buf, "%d", (val))
#define A_LONG(val) rb_str_catf(buf, "%ld", (val))
@ -32,9 +34,9 @@
#define COMPOUND_FIELD(len, name, block) \
do { \
D_FIELD_HEADER((len), (name), "\n"); \
rb_str_cat2(indent, next_indent); \
D_INDENT; \
block; \
rb_str_resize(indent, RSTRING_LEN(indent) - 4); \
D_DEDENT; \
} while (0)
#define COMPOUND_FIELD1(name, ann, block) \
@ -154,6 +156,7 @@ static void
dump_node(VALUE buf, VALUE indent, int comment, NODE *node)
{
int field_flag;
int i;
const char *next_indent = default_indent;
if (!node) {
@ -166,9 +169,21 @@ dump_node(VALUE buf, VALUE indent, int comment, NODE *node)
switch (nd_type(node)) {
case NODE_BLOCK:
ANN("statement sequence");
ANN("format: [nd_head]; [nd_next]");
ANN("format: [nd_head]; ...; [nd_next]");
ANN("example: foo; bar");
F_NODE(nd_head, "current statement");
i = 0;
do {
A_INDENT;
rb_str_catf(buf, "+- nd_head (%s%d):\n",
comment ? "statement #" : "", ++i);
if (!node->nd_next) LAST_NODE;
D_INDENT;
dump_node(buf, indent, comment, node->nd_head);
D_DEDENT;
} while (node->nd_next &&
nd_type(node->nd_next) == NODE_BLOCK &&
(node = node->nd_next, 1));
if (!node->nd_next) break;
LAST_NODE;
F_NODE(nd_next, "next block");
break;