From ea3e9b627babc16e4295e0456a440548e039c8f6 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 21 May 2016 14:01:23 +0000
Subject: Revert r50102

This reverts "* include/ruby/ruby.h (rb_scan_args): don't use ALWAYS_INLINE with"
This rb_scan_args macro is GCCism.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55104 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 include/ruby/ruby.h | 139 +---------------------------------------------------
 1 file changed, 1 insertion(+), 138 deletions(-)

(limited to 'include')

diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index c7d700445e..e09d4a739b 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -1767,6 +1767,7 @@ VALUE rb_funcallv_public(VALUE, ID, int, const VALUE*);
 #define rb_funcall3 rb_funcallv_public
 VALUE rb_funcall_passing_block(VALUE, ID, int, const VALUE*);
 VALUE rb_funcall_with_block(VALUE, ID, int, const VALUE*, VALUE);
+int rb_scan_args(int, const VALUE*, const char*, ...);
 VALUE rb_call_super(int, const VALUE*);
 VALUE rb_current_receiver(void);
 int rb_get_kwargs(VALUE keyword_hash, const ID *table, int required, int optional, VALUE *);
@@ -2149,144 +2150,6 @@ unsigned long ruby_strtoul(const char *str, char **endptr, int base);
 PRINTF_ARGS(int ruby_snprintf(char *str, size_t n, char const *fmt, ...), 3, 4);
 int ruby_vsnprintf(char *str, size_t n, char const *fmt, va_list ap);
 
-#define RB_NARG0(_0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,_11,_12,_13,_14,_15,_16,_17,_18,_19,...) _19
-#define RB_NARG(...) RB_NARG0(__VA_ARGS__,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)
-#define rb_scan_args(argc,argvp,fmt,...) \
-    rb_scan_args0(argc,argv,fmt,RB_NARG(__VA_ARGS__),(VALUE*[]){__VA_ARGS__})
-ALWAYS_INLINE(static int
-rb_scan_args0(int argc, const VALUE *argv, const char *fmt, int varc, VALUE *vars[]));
-static inline int
-rb_scan_args0(int argc, const VALUE *argv, const char *fmt, int varc, VALUE *vars[])
-{
-    int i;
-    const char *p = fmt;
-    VALUE *var;
-    int f_var = 0, f_hash = 0, f_block = 0;
-    int n_lead = 0, n_opt = 0, n_trail = 0, n_mand;
-    int argi = 0, vari = 0;
-    VALUE hash = Qnil;
-
-    if (ISDIGIT(*p)) {
-	n_lead = *p - '0';
-	p++;
-	if (ISDIGIT(*p)) {
-	    n_opt = *p - '0';
-	    p++;
-	    if (ISDIGIT(*p)) {
-		n_trail = *p - '0';
-		p++;
-		goto block_arg;
-	    }
-	}
-    }
-    if (*p == '*') {
-	f_var = 1;
-	p++;
-	if (ISDIGIT(*p)) {
-	    n_trail = *p - '0';
-	    p++;
-	}
-    }
-  block_arg:
-    if (*p == ':') {
-	f_hash = 1;
-	p++;
-    }
-    if (*p == '&') {
-	f_block = 1;
-	p++;
-    }
-    if (*p != '\0') {
-	rb_fatal("bad scan arg format: %s", fmt);
-    }
-    n_mand = n_lead + n_trail;
-
-    if (argc < n_mand)
-	goto argc_error;
-
-    /* capture an option hash - phase 1: pop */
-    if (f_hash && n_mand < argc) {
-	VALUE last = argv[argc - 1];
-
-	if (NIL_P(last)) {
-	    /* nil is taken as an empty option hash only if it is not
-	       ambiguous; i.e. '*' is not specified and arguments are
-	       given more than sufficient */
-	    if (!f_var && n_mand + n_opt < argc)
-		argc--;
-	}
-	else {
-	    hash = rb_check_hash_type(last);
-	    if (!NIL_P(hash)) {
-		VALUE opts = rb_extract_keywords(&hash);
-		if (!hash) argc--;
-		hash = opts ? opts : Qnil;
-	    }
-	}
-    }
-    /* capture leading mandatory arguments */
-    for (i = n_lead; i-- > 0; ) {
-	var = vars[vari++];
-	if (var) *var = argv[argi];
-	argi++;
-    }
-    /* capture optional arguments */
-    for (i = n_opt; i-- > 0; ) {
-	var = vars[vari++];
-	if (argi < argc - n_trail) {
-	    if (var) *var = argv[argi];
-	    argi++;
-	}
-	else {
-	    if (var) *var = Qnil;
-	}
-    }
-    /* capture variable length arguments */
-    if (f_var) {
-	int n_var = argc - argi - n_trail;
-
-	var = vars[vari++];
-	if (0 < n_var) {
-	    if (var) *var = rb_ary_new4(n_var, &argv[argi]);
-	    argi += n_var;
-	}
-	else {
-	    if (var) *var = rb_ary_new();
-	}
-    }
-    /* capture trailing mandatory arguments */
-    for (i = n_trail; i-- > 0; ) {
-	var = vars[vari++];
-	if (var) *var = argv[argi];
-	argi++;
-    }
-    /* capture an option hash - phase 2: assignment */
-    if (f_hash) {
-	var = vars[vari++];
-	if (var) *var = hash;
-    }
-    /* capture iterator block */
-    if (f_block) {
-	var = vars[vari++];
-	if (rb_block_given_p()) {
-	    *var = rb_block_proc();
-	}
-	else {
-	    *var = Qnil;
-	}
-    }
-
-    if (argi < argc) {
-      argc_error:
-	rb_error_arity(argc, n_mand, f_var ? UNLIMITED_ARGUMENTS : n_mand + n_opt);
-    }
-    if (vari != varc) {
-	rb_raise(rb_eRuntimeError, "variable argument length doesn't match* %d %d", vari, varc);
-    }
-
-    return argc;
-}
-
 #ifndef RUBY_DONT_SUBST
 #include "ruby/subst.h"
 #endif
-- 
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