--- esb.py-	2016-09-12 00:00:00.000000000 +0900
+++ esb.py	2016-09-12 01:00:00.000000000 +0900
@@ -285,7 +285,7 @@ def es_split(s):
 		'br_e' : [ ')', ']', '}' ],
 		'op' : ops_flat,
 		'type' : [ 'int', 'char', 'void' ],
-		'kwd' : [ 'return', 'if', 'else', 'while', 'for' ],
+		'kwd' : [ 'return', 'if', 'else', 'while', 'for', 'break', 'continue' ],
 		'spc' : [ ' ', '\t', '\n' ],
 		'etc' : [ ';' ],
 	}
@@ -333,6 +333,19 @@ def get_call_inf(info):
 def get_env(info):
 	return get_call_inf(info).get('env')
 
+def get_flags(info):
+	return get_call_inf(info).get('flags')
+
+def loop_add(info, add):
+	get_call_inf(info)['loop'] += add
+
+def was_flags(info, f):
+	flags = get_flags(info)
+	ret = f in flags
+	if ret:
+		flags.remove(f)
+	return ret
+
 def do_set(e, val, info):
 	(k, v) = e[:2]
 	if k == 'name':
@@ -440,18 +453,32 @@ def do_kwd(v, expr, info):
 			do_expr( expr[4], info )
 		return None
 	if v == 'while':
+		loop_add(info, 1)
 		while do_expr( expr[2], info ):
 			do_expr( expr[3], info )
+			if was_flags(info, 'break'):
+				break
+			was_flags(info, 'continue')
+		loop_add(info, -1)
 		return None
 	if v == 'for':
 		args = expr[2][2]
 		is_omit = lambda lst, i: len(lst) <= i or lst[i] == [ 'etc', ';' ]
 		f = lambda lst, i: lst[:i] + [ [ 'num', '1' ] ] + lst[i:] if is_omit(lst, i) else lst
 		args = reduce( f, [ 0, 2, 4 ], args )[::2]
+
+		loop_add(info, 1)
 		do_expr( args[0], info )
 		while do_expr( args[1], info ):
 			do_expr( expr[3], info )
+			if was_flags(info, 'break'):
+				break
+			was_flags(info, 'continue')
 			do_expr( args[2], info )
+		loop_add(info, -1)
+		return None
+	if v in [ 'break', 'continue' ]:
+		get_call_inf(info).get('flags').append(v)
 		return None
 
 	warn_no_sup('do_kwd', 'v', v)
@@ -503,6 +530,9 @@ def do_blk(blk, info):
 		do_expr(expr, info)
 		if 'ret' in call_inf:
 			return
+		flags = get_flags(info)
+		if 'break' in flags or 'continue' in flags:
+			return
 
 def get_sys_func(name):
 	try:
@@ -532,7 +562,7 @@ def do_fcall(name, args, info):
 	env = dict( zip(names, args) )
 	
 	call_stk = info.get('call_stk')
-	call_stk.append( { 'name' : name, 'env' : env } )
+	call_stk.append( { 'name' : name, 'env' : env, 'flags' : [], 'loop' : 0 } )
 	do_blk(body, info)
 	call_inf = call_stk.pop()
 	return call_inf.get('ret', None)