static void Dao_AboutVars( DaoNamespace *ns, DaoValue *par[], int N, DString *str )
{
int i;
DString_Clear( str );
for( i=0; i<N; i++ ){
Dao_AboutVar( ns, par[i], str );
if( i+1<N ) DString_AppendMBS( str, " " );
}
}
static void Dao_AboutVars( DaoProcess *proc, DaoValue *par[], int N, DString *str )
{
DaoVmCode *vmc = proc->activeCode;
DaoType **types = proc->activeTypes + vmc->a + 1;
int i;
DString_Clear( str );
if( vmc->code == DVM_MCALL ) types += 1;
for( i=0; i<N; i++ ){
Dao_AboutVar( proc, types[i], par[i], str );
if( i+1<N ) DString_AppendChars( str, " " );
}
}
void STD_Debug( DaoProcess *proc, DaoValue *p[], int N )
{
DaoUserHandler *handler = proc->vmSpace->userHandler;
DaoRoutine *routine = proc->activeRoutine;
DaoStream *stream = proc->vmSpace->stdioStream;
DString *input;
DArray *tokens;
DMap *cycData;
char *chs, *cmd;
int i;
if( ! (proc->vmSpace->options & DAO_OPTION_DEBUG ) ) return;
input = DString_New(1);
if( N > 0 && DaoValue_CastCstruct( p[0], dao_type_stream ) ){
stream = (DaoStream*)p[0];
p ++;
N --;
}
if( N > 0 ){
Dao_AboutVars( proc->activeNamespace, p, N, input );
DaoStream_WriteString( stream, input );
DaoStream_WriteMBS( stream, "\n" );
DString_Delete( input );
return;
}
if( handler && handler->StdlibDebug ){
handler->StdlibDebug( handler, proc );
return;
}
tokens = DArray_New(D_STRING);
cycData = DMap_New(0,0);
while(1){
if( proc->vmSpace->ReadLine ){
chs = proc->vmSpace->ReadLine( "(debug) " );
if( chs ){
DString_SetMBS( input, chs );
DString_Trim( input );
if( input->size && proc->vmSpace->AddHistory )
proc->vmSpace->AddHistory( chs );
dao_free( chs );
}
}else{
DaoStream_WriteMBS( stream, "(debug) " );
DaoStream_ReadLine( stream, input );
}
if( input->size == 0 ) continue;
SplitByWhiteSpaces( input->mbs, tokens );
if( tokens->size == 0 ) continue;
cmd = tokens->items.pString[0]->mbs;
if( strcmp( cmd, "q" ) == 0 || strcmp( cmd, "quit" ) == 0 ){
break;
}else if( strcmp( cmd, "k" ) == 0 || strcmp( cmd, "kill" ) == 0 ){
proc->status = DAO_PROCESS_ABORTED;
break;
}else if( strcmp( cmd, "a" ) == 0 || strcmp( cmd, "about" ) == 0 ){
if( tokens->size > 1 ){
ushort_t reg = (ushort_t)strtod( tokens->items.pString[1]->mbs, 0 );
DaoType *tp = proc->activeTypes[ reg ];
DString_Clear( input );
Dao_AboutVar( proc->activeNamespace, proc->activeValues[reg], input );
DaoStream_WriteMBS( stream, "type: " );
if( tp )
DaoStream_WriteString( stream, tp->name );
else
DaoStream_WriteMBS( stream, "?" );
DaoStream_WriteMBS( stream, ", value: " );
DaoStream_WriteString( stream, input );
DaoStream_WriteMBS( stream, "\n" );
}
}else if( strcmp( cmd, "g" ) == 0 || strcmp( cmd, "goto" ) == 0 ){
if( tokens->size > 1 ){
int n = atoi( tokens->items.pString[1]->mbs );
int entry = proc->activeCode - proc->activeRoutine->body->vmCodes->data.codes;
if( n < 0 ) n = entry - n;
if( n >= routine->body->vmCodes->size ) n = routine->body->vmCodes->size -1;
proc->topFrame->entry = n;
proc->status = DAO_PROCESS_STACKED;
return;
}
}else if( strcmp( cmd, "h" ) == 0 || strcmp( cmd, "help" ) == 0 ){
DaoStream_WriteMBS( stream, help );
}else if( strcmp( cmd, "l" ) == 0 || strcmp( cmd, "list" ) == 0 ){
DString *mbs = DString_New(1);
int entry = proc->activeCode - proc->activeRoutine->body->vmCodes->data.codes;
int start = entry - 10;
int end = entry;
if( tokens->size >1 ){
int dn = atoi( tokens->items.pString[1]->mbs );
if( dn < 0 ){
start = entry + dn;
}else if( dn > 0 ){
start = entry;
end = entry + dn;
}
}
if( start < 0 ) start = 0;
if( end >= routine->body->vmCodes->size ) end = routine->body->vmCodes->size - 1;
DaoStream_WriteString( stream, routine->routName );
DaoStream_WriteMBS( stream, "(): " );
if( routine->routType ) DaoStream_WriteString( stream, routine->routType->name );
DaoStream_WriteMBS( stream, "\n" );
DaoStream_WriteMBS( stream, daoRoutineCodeHeader );
DaoStream_WriteMBS( stream, sep );
for( i=start; i<=end; i++ ){
DaoRoutine_FormatCode( routine, i, *routine->body->annotCodes->items.pVmc[i], mbs );
DaoStream_WriteString( stream, mbs );
}
DString_Delete( mbs );
}else if( strcmp( cmd, "p" ) == 0 || strcmp( cmd, "print" ) == 0 ){
if( tokens->size > 1 ){
ushort_t reg = (ushort_t)atoi( tokens->items.pString[1]->mbs );
DaoValue_Print( proc->activeValues[reg], proc, stream, cycData );
DaoStream_WriteMBS( stream, "\n" );
}
}else if( strcmp( cmd, "t" ) == 0 || strcmp( cmd, "trace" ) == 0 ){
int depth = 1;
if( tokens->size >1 ) depth = atoi( tokens->items.pString[1]->mbs );
DaoProcess_Trace( proc, depth );
}else{
DaoStream_WriteMBS( stream, "Unknown debugging command.\n" );
}
}
DString_Delete( input );
DArray_Delete( tokens );
}
