Drop parentheses around scalar values in "return".

1 files changed, 68 insertions, 68 deletions

diff --git a/crawl-ref/source/l_crawl.cc b/crawl-ref/source/l_crawl.cc
index 8c502b443e..1a276997f0 100644
--- a/crawl-ref/source/l_crawl.cc
+++ b/crawl-ref/source/l_crawl.cc
@@ -54,11 +54,11 @@ function mpr(message, channel) */
 static int crawl_mpr(lua_State *ls)
 {
     if (!crawl_state.io_inited)
-        return (0);
+        return 0;
 
     const char *message = luaL_checkstring(ls, 1);
     if (!message)
-        return (0);
+        return 0;
 
     int ch = MSGCH_PLAIN;
     if (lua_isnumber(ls, 2))
@@ -74,7 +74,7 @@ static int crawl_mpr(lua_State *ls)
         ch = MSGCH_PLAIN;
 
     mpr(message, static_cast<msg_channel_type>(ch));
-    return (0);
+    return 0;
 }
 
 /*
@@ -83,11 +83,11 @@ function formatted_mpr(message, channel) */
 static int crawl_formatted_mpr(lua_State *ls)
 {
     if (!crawl_state.io_inited)
-        return (0);
+        return 0;
 
     const char *message = luaL_checkstring(ls, 1);
     if (!message)
-        return (0);
+        return 0;
 
     int ch = MSGCH_PLAIN;
     if (lua_isnumber(ls, 2))
@@ -104,7 +104,7 @@ static int crawl_formatted_mpr(lua_State *ls)
 
     formatted_mpr(formatted_string::parse_string(message),
                   static_cast<msg_channel_type>(ch));
-    return (0);
+    return 0;
 }
 
 /*
@@ -114,7 +114,7 @@ LUAFN(crawl_stderr)
 {
     const char *text = luaL_checkstring(ls, 1);
     fprintf(stderr, "%s\n", text);
-    return (0);
+    return 0;
 }
 
 /*
@@ -127,7 +127,7 @@ LUAFN(crawl_dpr)
     if (crawl_state.io_inited)
         dprf("%s", text);
 #endif
-    return (0);
+    return 0;
 }
 
 /*
@@ -159,11 +159,11 @@ static int crawl_set_more_autoclear(lua_State *ls)
     if (lua_isnone(ls, 1))
     {
         luaL_argerror(ls, 1, "needs a boolean argument");
-        return (0);
+        return 0;
     }
     set_more_autoclear(lua_toboolean(ls, 1));
 
-    return (0);
+    return 0;
 }
 
 /*
@@ -174,11 +174,11 @@ static int crawl_enable_more(lua_State *ls)
     if (lua_isnone(ls, 1))
     {
         luaL_argerror(ls, 1, "needs a boolean argument");
-        return (0);
+        return 0;
     }
     crawl_state.show_more_prompt = lua_toboolean(ls, 1);
 
-    return (0);
+    return 0;
 }
 
 /*
@@ -196,7 +196,7 @@ static int crawl_c_input_line(lua_State *ls)
         lua_pushstring(ls, linebuf);
     else
         lua_pushnil(ls);
-    return (1);
+    return 1;
 }
 
 /*
@@ -243,7 +243,7 @@ static int crawl_yesno(lua_State *ls)
 
     lua_pushboolean(ls, yesno(prompt, safe, safeanswer, clear_after,
                               interrupt_delays, noprompt));
-    return (1);
+    return 1;
 }
 
 /*
@@ -266,7 +266,7 @@ static int crawl_yesnoquit(lua_State *ls)
 
     lua_pushnumber(ls, yesnoquit(prompt, safe, safeanswer, allow_all,
                                  clear_after));
-    return (1);
+    return 1;
 }
 
 static void crawl_sendkeys_proc(lua_State *ls, int argi)
@@ -308,7 +308,7 @@ static int crawl_sendkeys(lua_State *ls)
     int top = lua_gettop(ls);
     for (int i = 1; i <= top; ++i)
         crawl_sendkeys_proc(ls, i);
-    return (0);
+    return 0;
 }
 
 /*
@@ -330,7 +330,7 @@ static int crawl_process_command(lua_State *ls)
     }
 
     lua_pushboolean(ls, will_process);
-    return (1);
+    return 1;
 }
 
 /*
@@ -343,13 +343,13 @@ static int crawl_process_keys(lua_State *ls)
     {
         luaL_error(ls, "Cannot currently process new keys (%s delay active)",
                    delay_name(current_delay));
-        return (0);
+        return 0;
     }
 
     if (you.turn_is_over)
     {
         luaL_error(ls, "Cannot currently process new keys (turn is over)");
-        return (0);
+        return 0;
     }
 
     const char* keys = luaL_checkstring(ls, 1);
@@ -357,7 +357,7 @@ static int crawl_process_keys(lua_State *ls)
     if (strlen(keys) == 0)
     {
         luaL_argerror(ls, 1, "Must have at least one key to process.");
-        return (0);
+        return 0;
     }
 
     command_type cmd = key_to_command(keys[0], KMC_DEFAULT);
@@ -365,7 +365,7 @@ static int crawl_process_keys(lua_State *ls)
     if (cmd == CMD_NO_CMD)
     {
         luaL_argerror(ls, 1, "First key is invalid command");
-        return (0);
+        return 0;
     }
 
     flush_input_buffer(FLUSH_BEFORE_COMMAND);
@@ -374,7 +374,7 @@ static int crawl_process_keys(lua_State *ls)
 
     process_command(cmd);
 
-    return (0);
+    return 0;
 }
 
 /*
@@ -385,9 +385,9 @@ static int crawl_playsound(lua_State *ls)
 {
     const char *sf = luaL_checkstring(ls, 1);
     if (!sf)
-        return (0);
+        return 0;
     play_sound(sf);
-    return (0);
+    return 0;
 }
 
 /*
@@ -398,9 +398,9 @@ static int crawl_runmacro(lua_State *ls)
 {
     const char *macroname = luaL_checkstring(ls, 1);
     if (!macroname)
-        return (0);
+        return 0;
     run_macro(macroname);
-    return (0);
+    return 0;
 }
 
 /*
@@ -410,7 +410,7 @@ function setopt(s) */
 static int crawl_setopt(lua_State *ls)
 {
     if (!lua_isstring(ls, 1))
-        return (0);
+        return 0;
 
     const char *s = lua_tostring(ls, 1);
     if (s)
@@ -419,7 +419,7 @@ static int crawl_setopt(lua_State *ls)
         read_options(s, true);
     }
 
-    return (0);
+    return 0;
 }
 
 /*
@@ -429,11 +429,11 @@ function read_options(filename) */
 static int crawl_read_options(lua_State *ls)
 {
     if (!lua_isstring(ls, 1))
-        return (0);
+        return 0;
 
     const char* filename = lua_tostring(ls, 1);
     Options.include(filename, true, true);
-    return (0);
+    return 0;
 }
 
 static int crawl_bindkey(lua_State *ls)
@@ -443,7 +443,7 @@ static int crawl_bindkey(lua_State *ls)
         s = lua_tostring(ls, 1);
 
     if (!s || !lua_isfunction(ls, 2) || lua_gettop(ls) != 2)
-        return (0);
+        return 0;
 
     lua_pushvalue(ls, 2);
     std::string name = clua.setuniqregistry();
@@ -453,20 +453,20 @@ static int crawl_bindkey(lua_State *ls)
         lua_settop(ls, 2);
     }
     macro_userfn(s, name.c_str());
-    return (0);
+    return 0;
 }
 
 static int crawl_msgch_num(lua_State *ls)
 {
     const char *s = luaL_checkstring(ls, 1);
     if (!s)
-        return (0);
+        return 0;
     int ch = str_to_channel(s);
     if (ch == -1)
-        return (0);
+        return 0;
 
     lua_pushnumber(ls, ch);
-    return (1);
+    return 1;
 }
 
 static int crawl_msgch_name(lua_State *ls)
@@ -474,21 +474,21 @@ static int crawl_msgch_name(lua_State *ls)
     int num = luaL_checkint(ls, 1);
     std::string name = channel_to_str(num);
     lua_pushstring(ls, name.c_str());
-    return (1);
+    return 1;
 }
 
 static int crawl_take_note(lua_State *ls)
 {
     const char* msg = luaL_checkstring(ls, 1);
     take_note(Note(NOTE_MESSAGE, 0, 0, msg));
-    return (0);
+    return 0;
 }
 
 static int crawl_messages(lua_State *ls)
 {
     const int count = luaL_checkint(ls, 1);
     lua_pushstring(ls, get_last_messages(count).c_str());
-    return (1);
+    return 1;
 }
 
 #define REGEX_METATABLE "crawl.regex"
@@ -498,7 +498,7 @@ static int crawl_regex(lua_State *ls)
 {
     const char *s = luaL_checkstring(ls, 1);
     if (!s)
-        return (0);
+        return 0;
 
 
     text_pattern **tpudata =
@@ -506,9 +506,9 @@ static int crawl_regex(lua_State *ls)
     if (tpudata)
     {
         *tpudata = new text_pattern(s);
-        return (1);
+        return 1;
     }
-    return (0);
+    return 0;
 }
 
 static int crawl_regex_find(lua_State *ls)
@@ -516,14 +516,14 @@ static int crawl_regex_find(lua_State *ls)
     text_pattern **pattern =
             clua_get_userdata< text_pattern* >(ls, REGEX_METATABLE);
     if (!pattern)
-        return (0);
+        return 0;
 
     const char *text = luaL_checkstring(ls, -1);
     if (!text)
-        return (0);
+        return 0;
 
     lua_pushboolean(ls, (*pattern)->matches(text));
-    return (1);
+    return 1;
 }
 
 static const luaL_reg crawl_regex_ops[] =
@@ -536,7 +536,7 @@ static int crawl_message_filter(lua_State *ls)
 {
     const char *pattern = luaL_checkstring(ls, 1);
     if (!pattern)
-        return (0);
+        return 0;
 
     int num = lua_isnumber(ls, 2)? luaL_checkint(ls, 2) : -1;
     message_filter **mf =
@@ -544,9 +544,9 @@ static int crawl_message_filter(lua_State *ls)
     if (mf)
     {
         *mf = new message_filter(num, pattern);
-        return (1);
+        return 1;
     }
-    return (0);
+    return 0;
 }
 
 static int crawl_messf_matches(lua_State *ls)
@@ -554,7 +554,7 @@ static int crawl_messf_matches(lua_State *ls)
     message_filter **mf =
             clua_get_userdata< message_filter* >(ls, MESSF_METATABLE);
     if (!mf)
-        return (0);
+        return 0;
 
     const char *pattern = luaL_checkstring(ls, 2);
     int ch = luaL_checkint(ls, 3);
@@ -562,9 +562,9 @@ static int crawl_messf_matches(lua_State *ls)
     {
         bool filt = (*mf)->is_filtered(ch, pattern);
         lua_pushboolean(ls, filt);
-        return (1);
+        return 1;
     }
-    return (0);
+    return 0;
 }
 
 static const luaL_reg crawl_messf_ops[] =
@@ -577,11 +577,11 @@ static int crawl_trim(lua_State *ls)
 {
     const char *s = luaL_checkstring(ls, 1);
     if (!s)
-        return (0);
+        return 0;
     std::string text = s;
     trim_string(text);
     lua_pushstring(ls, text.c_str());
-    return (1);
+    return 1;
 }
 
 static int crawl_split(lua_State *ls)
@@ -589,7 +589,7 @@ static int crawl_split(lua_State *ls)
     const char *s = luaL_checkstring(ls, 1),
                *token = luaL_checkstring(ls, 2);
     if (!s || !token)
-        return (0);
+        return 0;
 
     std::vector<std::string> segs = split_string(token, s);
     lua_newtable(ls);
@@ -598,7 +598,7 @@ static int crawl_split(lua_State *ls)
         lua_pushstring(ls, segs[i].c_str());
         lua_rawseti(ls, -2, i + 1);
     }
-    return (1);
+    return 1;
 }
 
 static int _crawl_grammar(lua_State *ls)
@@ -621,7 +621,7 @@ static int crawl_article_a(lua_State *ls)
 
     lua_pushstring(ls, article_a(s, lowercase).c_str());
 
-    return (1);
+    return 1;
 }
 
 LUARET1(crawl_game_started, boolean, crawl_state.need_save)
@@ -647,7 +647,7 @@ static int crawl_is_tiles(lua_State *ls)
 {
     lua_pushboolean(ls, is_tiles());
 
-    return (1);
+    return 1;
 }
 
 static int crawl_is_webtiles(lua_State *ls)
@@ -658,7 +658,7 @@ static int crawl_is_webtiles(lua_State *ls)
     lua_pushboolean(ls, false);
 #endif
 
-    return (1);
+    return 1;
 }
 
 static int crawl_get_command(lua_State *ls)
@@ -666,7 +666,7 @@ static int crawl_get_command(lua_State *ls)
     if (lua_gettop(ls) == 0)
     {
         lua_pushnil(ls);
-        return (1);
+        return 1;
     }
 
     const command_type cmd = name_to_command(luaL_checkstring(ls, 1));
@@ -676,7 +676,7 @@ static int crawl_get_command(lua_State *ls)
         cmd_name = "<<";
 
     lua_pushstring(ls, cmd_name.c_str());
-    return (1);
+    return 1;
 }
 
 LUAWRAP(crawl_endgame, screen_end_game(luaL_checkstring(ls, 1)))
@@ -786,7 +786,7 @@ static int crawl_call_dlua(lua_State *ls)
 
     const char* code = luaL_checkstring(ls, 1);
     if (!code)
-        return (0);
+        return 0;
 
     luaL_loadbuffer(dlua, code, strlen(code), "call_dlua");
     int status = lua_pcall(dlua, 0, LUA_MULTRET, 0);
@@ -916,13 +916,13 @@ LUAFN(_crawl_milestone)
     mark_milestone(luaL_checkstring(ls, 1),
                    luaL_checkstring(ls, 2),
                    lua_toboolean(ls, 3));
-    return (0);
+    return 0;
 }
 
 LUAFN(_crawl_redraw_view)
 {
     viewwindow();
-    return (0);
+    return 0;
 }
 
 LUAFN(_crawl_redraw_stats)
@@ -939,7 +939,7 @@ LUAFN(_crawl_redraw_stats)
     you.redraw_status_flags = 0xFFFFFFFF;
 
     print_stats();
-    return (0);
+    return 0;
 }
 
 
@@ -954,7 +954,7 @@ LUAFN(_crawl_millis)
                                     strerror(error)).c_str());
 
     lua_pushnumber(ls, tv.tv_sec * 1000 + tv.tv_usec / 1000);
-    return (1);
+    return 1;
 }
 #endif
 
@@ -984,7 +984,7 @@ LUARET1(crawl_make_name, string, _crawl_make_name(ls).c_str())
 static int _crawl_god_speaks(lua_State *ls)
 {
     if (!crawl_state.io_inited)
-        return (0);
+        return 0;
 
     const char *god_name = luaL_checkstring(ls, 1);
     if (!god_name)
@@ -1002,10 +1002,10 @@ static int _crawl_god_speaks(lua_State *ls)
 
     const char *message = luaL_checkstring(ls, 2);
     if (!message)
-        return (0);
+        return 0;
 
     god_speaks(god, message);
-    return (0);
+    return 0;
 }
 
 LUAFN(_crawl_set_max_runes)
@@ -1015,7 +1015,7 @@ LUAFN(_crawl_set_max_runes)
         luaL_error(ls, make_stringf("Bad number of max runes: %d", max_runes).c_str());
     else
         you.obtainable_runes = max_runes;
-    return (0);
+    return 0;
 }
 
 LUAWRAP(_crawl_mark_game_won, crawl_state.mark_last_game_won())