Backport some v3.0 syntax extensions.

Documentation in #1475. Backport discussion in #1476.
Thanks to Appla, slashOwO, Sergey Kaplun, CppCXY.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/lj_errmsg.h b/src/lj_errmsg.h
index daf7fb6bf..ad8581c99 100644
--- a/src/lj_errmsg.h
+++ b/src/lj_errmsg.h
@@ -140,9 +140,13 @@ ERRDEF(XDOTS,	"cannot use " LUA_QL("...") " outside a vararg function")
 ERRDEF(XSYNTAX, "syntax error")
 ERRDEF(XFOR,    LUA_QL("=") " or " LUA_QL("in") " expected")
 ERRDEF(XBREAK,  "no loop to break")
+ERRDEF(XCONT,   "no loop to continue")
 ERRDEF(XLUNDEF, "undefined label " LUA_QS)
 ERRDEF(XLDUP,   "duplicate label " LUA_QS)
 ERRDEF(XGSCOPE, "<goto %s> jumps into the scope of local " LUA_QS)
+ERRDEF(XCSCOPE, "<continue> jumps into the scope of local " LUA_QS)
+ERRDEF(XCONSTA, "attempt to assign to const variable " LUA_QS)
+ERRDEF(XCONSTR, "attempt to re-declare const variable " LUA_QS)
 
 /* Bytecode reader errors. */
 ERRDEF(BCFMT,   "cannot load incompatible bytecode")