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BaseLib: fix handling of __tostring

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This commit is contained in:
gamax92
2019-08-11 12:05:48 +02:00
committed by asie
parent 2bccb4670e
commit 626664a0fe
1 changed files with 5 additions and 2 deletions
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7
src/core/org/luaj/vm2/lib/BaseLib.java
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@@ -350,8 +350,11 @@ public class BaseLib extends TwoArgFunction implements ResourceFinder {
static final class tostring extends LibFunction { static final class tostring extends LibFunction {
public LuaValue call(LuaValue arg) { public LuaValue call(LuaValue arg) {
LuaValue h = arg.metatag(TOSTRING); LuaValue h = arg.metatag(TOSTRING);
if ( ! h.isnil() ) if ( ! h.isnil() ) {
return h.call(arg); LuaValue v = h.call(arg);
LuaValue vs = v.tostring();
return !vs.isnil() ? vs : v;
}
LuaValue v = arg.tostring(); LuaValue v = arg.tostring();
if ( ! v.isnil() ) if ( ! v.isnil() )
return v; return v;