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expose public traceback function.

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This commit is contained in:
James Roseborough
2009-04-09 18:49:10 +00:00
parent f42bbd1ff7
commit f66c456934
1 changed files with 9 additions and 4 deletions
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13
src/core/org/luaj/lib/DebugLib.java
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@@ -398,8 +398,14 @@ public class DebugLib extends LFunction {
int level = vm.optint(2,1); int level = vm.optint(2,1);
if ( ! vm.isnoneornil(1) ) if ( ! vm.isnoneornil(1) )
message = vm.checkstring(1)+"\n"; message = vm.checkstring(1)+"\n";
StackInfo[] s = getstackinfo(threadVm, level, 10); String tb = DebugLib.traceback(threadVm, level, message);
StringBuffer sb = new StringBuffer("stack traceback:"); vm.pushstring(tb);
return 1;
}
public static String traceback(LuaState vm, int level, String message) {
StackInfo[] s = getstackinfo(vm, level, 10);
StringBuffer sb = new StringBuffer(message!=null? "stack traceback:": message);
for ( int i=0; i<s.length; i++ ) { for ( int i=0; i<s.length; i++ ) {
StackInfo si = s[i]; StackInfo si = s[i];
if ( si != null ) { if ( si != null ) {
@@ -409,8 +415,7 @@ public class DebugLib extends LFunction {
sb.append( si.tracename() ); sb.append( si.tracename() );
} }
} }
vm.pushstring(message+sb); return message+sb;
return 1;
} }
// ======================================================= // =======================================================