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Improve error handling, introduce lua stack trace processing.

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This commit is contained in:
James Roseborough
2007-09-18 22:55:22 +00:00
parent a55504639e
commit 32e1fedba5
7 changed files with 155 additions and 76 deletions
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10
src/main/java/lua/Builtin.java
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@@ -6,6 +6,7 @@ package lua;
import java.io.OutputStream;
import java.io.PrintStream;
import lua.value.LBoolean;
import lua.value.LFunction;
import lua.value.LNil;
import lua.value.LTable;
@@ -71,8 +72,13 @@ final class Builtin extends LFunction {
vm.setResult( vm.getArg(0).luaGetType() );
break;
case PCALL:
// TODO: implement pcall
vm.setResult( LNil.NIL );
if ( 0 != vm.lua_pcall( vm.getArgCount()-1, Lua.LUA_MULTRET ) ) {
LValue v = vm.getArg(0);
vm.setResult( LBoolean.FALSE );
vm.push( v );
} else {
vm.setResult( LBoolean.TRUE );
}
break;
default:
luaUnsupportedOperation();