Merge branch 'master' into v2.1

src/host/genminilua.lua

@@ -327,6 +327,12 @@ local function rename_tokens2(src)
   return gsub(src, "ZY([%w_]+)", "union %1")
 end
 
+local function fix_bugs_and_warnings(src)
+ src = gsub(src, "(luaD_checkstack%(L,p%->maxstacksize)%)", "%1+p->numparams)")
+ src = gsub(src, "if%(sep==%-1%)(return'%[';)\nelse (luaX_lexerror%b();)", "if (sep!=-1)%2\n%1")
+ return gsub(src, "(default:{\nNode%*n=mainposition)", "/*fallthrough*/\n%1")
+end
+
 local function func_gather(src)
   local nodes, list = {}, {}
   local pos, len = 1, #src
@@ -425,5 +431,6 @@ src = rename_tokens1(src)
 src = func_collect(src)
 src = rename_tokens2(src)
 src = restore_strings(src)
+src = fix_bugs_and_warnings(src)
 src = merge_header(src, license)
 io.write(src)

src/host/minilua.c

@@ -1639,6 +1639,7 @@ lua_number2int(k,n);
 if(luai_numeq(cast_num(k),nvalue(key)))
 return luaH_getnum(t,k);
 }
+/*fallthrough*/
 default:{
 Node*n=mainposition(t,key);
 do{
@@ -2905,8 +2906,8 @@ if(sep>=0){
 read_long_string(ls,seminfo,sep);
 return TK_STRING;
 }
-else if(sep==-1)return'[';
-else luaX_lexerror(ls,"invalid long string delimiter",TK_STRING);
+else if (sep!=-1)luaX_lexerror(ls,"invalid long string delimiter",TK_STRING);
+return'[';
 }
 case'=':{
 next(ls);