diff --git a/compiler/jvm/dbgjasm.pas b/compiler/jvm/dbgjasm.pas index 2b76bbc1ca..40c971ad74 100644 --- a/compiler/jvm/dbgjasm.pas +++ b/compiler/jvm/dbgjasm.pas @@ -38,9 +38,10 @@ interface TDebugInfoJasmin=class(TDebugInfo) protected fcurrprocstart, + fcurrprocafterstart, fcurrprocend: tasmsymbol; - procedure appendsym_localsym(list: TAsmList; sym: tabstractnormalvarsym); + procedure appendsym_localsym(list: TAsmList; sym: tabstractnormalvarsym; startlab: tasmsymbol); procedure appendsym_paravar(list:TAsmList;sym:tparavarsym);override; procedure appendsym_localvar(list:TAsmList;sym:tlocalvarsym);override; @@ -65,7 +66,7 @@ implementation TDebugInfoJasmin ****************************************************************************} - procedure TDebugInfoJasmin.appendsym_localsym(list: TAsmList; sym: tabstractnormalvarsym); + procedure TDebugInfoJasmin.appendsym_localsym(list: TAsmList; sym: tabstractnormalvarsym; startlab: tasmsymbol); var jvar: tai_jvar; proc: tprocdef; @@ -75,20 +76,20 @@ implementation if not(sym.localloc.loc in [LOC_REFERENCE,LOC_CREFERENCE]) then exit; proc:=tprocdef(sym.owner.defowner); - jvar:=tai_jvar.create(sym.localloc.reference.offset,jvmmangledbasename(sym,true),fcurrprocstart,fcurrprocend); + jvar:=tai_jvar.create(sym.localloc.reference.offset,jvmmangledbasename(sym,true),startlab,fcurrprocend); tcpuprocdef(proc).exprasmlist.InsertAfter(jvar,proc.procstarttai); end; procedure TDebugInfoJasmin.appendsym_paravar(list: TAsmList; sym: tparavarsym); begin - appendsym_localsym(list,sym); + appendsym_localsym(list,sym,fcurrprocstart); end; procedure TDebugInfoJasmin.appendsym_localvar(list: TAsmList; sym: tlocalvarsym); begin - appendsym_localsym(list,sym); + appendsym_localsym(list,sym,fcurrprocafterstart); end; @@ -100,7 +101,11 @@ implementation procedure TDebugInfoJasmin.appendprocdef(list: TAsmList; def: tprocdef); var procstartlabel, - procendlabel : tasmlabel; + procendlabel, + afterprocstartlabel : tasmlabel; + hp, + afterproccodestart : tai; + instrcount : longint; begin { insert debug information for local variables and parameters, but only for routines implemented in the Pascal code } @@ -113,6 +118,33 @@ implementation tcpuprocdef(def).exprasmlist.insertbefore(tai_label.create(procendlabel),def.procendtai); fcurrprocstart:=procstartlabel; + { set the start label for local variables after the first instruction, + because javac's code completion support assumes that all info at + bytecode position 0 is for parameters } + instrcount:=0; + afterproccodestart:=def.procstarttai; + while assigned(afterproccodestart.next) do + begin + afterproccodestart:=tai(afterproccodestart.next); + if (afterproccodestart.typ=ait_instruction) then + break; + end; + { must be followed by at least one more instruction } + hp:=tai(afterproccodestart.next); + while assigned(hp) do + begin + if hp.typ=ait_instruction then + break; + hp:=tai(hp.next); + end; + if assigned(hp) then + begin + current_asmdata.getlabel(afterprocstartlabel,alt_dbgtype); + tcpuprocdef(def).exprasmlist.insertafter(tai_label.create(afterprocstartlabel),afterproccodestart); + fcurrprocafterstart:=afterprocstartlabel; + end + else + fcurrprocafterstart:=procstartlabel; fcurrprocend:=procendlabel; write_symtable_parasyms(list,def.paras);