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| 1 | +implement Throwable_L; | |
| 2 | + | |
| 3 | +# javal v1.2 generated file: edit with care | |
| 4 | + | |
| 5 | +include "jni.m"; | |
| 6 | + jni : JNI; | |
| 7 | + ClassModule, | |
| 8 | + JString, | |
| 9 | + JArray, | |
| 10 | + JArrayI, | |
| 11 | + JArrayC, | |
| 12 | + JArrayB, | |
| 13 | + JArrayS, | |
| 14 | + JArrayJ, | |
| 15 | + JArrayF, | |
| 16 | + JArrayD, | |
| 17 | + JArrayZ, | |
| 18 | + JArrayJObject, | |
| 19 | + JArrayJClass, | |
| 20 | + JArrayJString, | |
| 21 | + JClass, | |
| 22 | + JObject : import jni; | |
| 23 | + | |
| 24 | +#>> extra pre includes here | |
| 25 | + | |
| 26 | +#<< | |
| 27 | + | |
| 28 | +include "Throwable_L.m"; | |
| 29 | + | |
| 30 | +#>> extra post includes here | |
| 31 | + | |
| 32 | +#<< | |
| 33 | + | |
| 34 | +init( jni_p : JNI ) | |
| 35 | +{ | |
| 36 | + # save java native inteface mod instance | |
| 37 | + jni = jni_p; | |
| 38 | + #>>extra initialization here | |
| 39 | + #<< | |
| 40 | +} | |
| 41 | + | |
| 42 | +printStackTrace0_rObject_V( this : ref Throwable_obj, p0 : JObject) | |
| 43 | +{#>> | |
| 44 | + Value : import jni; | |
| 45 | + jldr := jni->jldr; | |
| 46 | + Object : import jldr; | |
| 47 | + | |
| 48 | + if ( this.backtrace != nil ) | |
| 49 | + { | |
| 50 | + args := array [1] of ref Value; | |
| 51 | + args[0] = ref Value.TObject( jni->NewStringObject( string this.backtrace ) ); | |
| 52 | + | |
| 53 | + (nil,nil):=jni->CallMethod( p0, "println", "(Ljava/lang/String;)V", args ); | |
| 54 | + # ignore any erros | |
| 55 | + } | |
| 56 | + | |
| 57 | +}#<< | |
| 58 | + | |
| 59 | +fillInStackTrace_rThrowable( this : ref Throwable_obj) : ref Throwable_obj | |
| 60 | +{#>> | |
| 61 | + # attempt to open the local "prog" device (i.e. '#p') | |
| 62 | + # and read the call stack into an array of bytes | |
| 63 | + pid := jni->sys->pctl(0,nil); | |
| 64 | + progfile := "#p/"+ (string pid) +"/stack"; | |
| 65 | + fd := jni->sys->open( progfile, Sys->OREAD ); | |
| 66 | + if ( fd != nil ) | |
| 67 | + { | |
| 68 | + # must spin a thread to read my own call-stack | |
| 69 | + result := chan of array of byte; # channel for thd results | |
| 70 | + spawn ReadCallStack( fd, result ); | |
| 71 | + this.backtrace = <- result; # wait for results | |
| 72 | + | |
| 73 | + } | |
| 74 | + else | |
| 75 | + this.backtrace = array of byte jni->sys->sprint("could not open %s:%r\n", progfile ); | |
| 76 | + | |
| 77 | + return( this ); | |
| 78 | +}#<< | |
| 79 | + | |
| 80 | +####### private functions | |
| 81 | + | |
| 82 | + | |
| 83 | +ReadCallStack( fd : ref Sys->FD, result : chan of array of byte ) | |
| 84 | +{ | |
| 85 | + buf := array[8000] of byte; #about 10 frames | |
| 86 | + n := jni->sys->read(fd, buf, len buf - 1); | |
| 87 | + fd = nil; | |
| 88 | + if(n < 0) | |
| 89 | + buf = array of byte jni->sys->sprint("could not read call-stack:%r\n"); | |
| 90 | + else | |
| 91 | + buf[n] = byte 0; | |
| 92 | + | |
| 93 | + result <- = buf[:n+1]; | |
| 94 | +} | |
| 95 | + | |
| @@ -0,0 +1,16 @@ | ||
| 1 | +# javal v1.2 generated file: edit with care | |
| 2 | + | |
| 3 | +Throwable_L : module | |
| 4 | +{ | |
| 5 | + Throwable_obj : adt | |
| 6 | + { | |
| 7 | + cl_mod : ClassModule; | |
| 8 | + backtrace : array of byte; | |
| 9 | + detailMessage : JString; | |
| 10 | + }; | |
| 11 | + | |
| 12 | + init : fn( jni_p : JNI ); | |
| 13 | + printStackTrace0_rObject_V : fn( this : ref Throwable_obj, p0 : JObject); | |
| 14 | + fillInStackTrace_rThrowable : fn( this : ref Throwable_obj) : ref Throwable_obj; | |
| 15 | + | |
| 16 | +}; | |