static unsigned MechGet( unsigned select, unsigned parm )
{
unsigned result;
DIPHDL( cue, ch );
sym_list *sym;
address addr;
unsigned old;
char *save_scan;
char *mod_name;
unsigned mod_len;
unsigned mod_spec_token;
result = FALSE;
switch( select ) {
case 0: /* init */
memset( &CurrGet, 0, sizeof( CurrGet ) );
CurrGet.li.mod = NO_MOD;
if( _IsOn( SW_CASE_SENSITIVE ) ) {
CurrGet.li.case_sensitive = TRUE;
} else {
CurrGet.li.case_sensitive = FALSE;
}
break;
case 1: /* fini */
switch( CurrGet.kind ) {
case GET_NAME:
PushName( &CurrGet.li );
break;
case GET_OPERATOR:
CurrGet.li.type = ST_OPERATOR;
PushName( &CurrGet.li );
break;
case GET_LNUM:
switch( FindACue( ch ) ) {
case SR_EXACT:
break;
case SR_CLOSEST:
if( ClosestLineOk ) break;
default:
Error( ERR_NONE, LIT( ERR_NO_CODE ), CurrGet.li.name.len );
}
PushAddr( CueAddr( ch ) );
break;
}
break;
case 2: /* mod curr */
case 3: /* mod name lookup */
//NYI: temporary gunk
CurrGet.multi_module = TRUE;
CurrGet.li.mod = NO_MOD;
save_scan = ScanPos();
ReScan( "@" );
mod_spec_token = CurrToken;
ReScan( save_scan );
if( CurrToken == T_NAME ) {
mod_name = NamePos();
mod_len = NameLen();
Scan();
} else {
mod_name = NULL;
mod_len = 0;
}
if( CurrToken == mod_spec_token ) {
if( select == 2 ) {
CurrGet.li.mod = ImagePrimary()->dip_handle;
if( CurrGet.li.mod == NO_MOD ) {
CurrGet.li.mod = ILL_MOD; /* cause lookup to fail */
}
} else {
CurrGet.li.mod = LookupImageName( CurrGet.li.name.start,
CurrGet.li.name.len );
if( CurrGet.li.mod == NO_MOD ) {
#define ANY_IMAGE_NAME "_anyimage"
#define ANY_IMAGE_NAME_LEN (sizeof(ANY_IMAGE_NAME)-1)
if( CurrGet.li.name.len != ANY_IMAGE_NAME_LEN
|| memicmp( CurrGet.li.name.start, ANY_IMAGE_NAME, ANY_IMAGE_NAME_LEN ) != 0 ) {
Error( ERR_NONE, LIT( ERR_NO_IMAGE ), CurrGet.li.name.start,
CurrGet.li.name.len );
} else {
CurrGet.any_image = TRUE;
}
}
}
CurrGet.li.name.start = mod_name;
CurrGet.li.name.len = mod_len;
Scan();
} else {
ReScan( save_scan );
}
if( CurrGet.li.name.start != NULL ) {
CurrGet.li.mod = LookupModName( CurrGet.li.mod,
CurrGet.li.name.start, CurrGet.li.name.len );
if( CurrGet.li.mod == NO_MOD ) {
Error( ERR_NONE, LIT( ERR_NO_MODULE ), CurrGet.li.name.start,
CurrGet.li.name.len );
}
CurrGet.multi_module = FALSE;
} else if( !CurrGet.any_image && CurrGet.li.mod == NO_MOD ) {
CurrGet.li.mod = CodeAddrMod;
CurrGet.multi_module = FALSE;
}
break;
case 4: /* file scope */
CurrGet.li.file_scope = TRUE;
break;
case 5: /* given scope */
CurrGet.li.file_scope = FALSE;
break;
case 6: /* scope lookup */
CurrGet.li.scope.start = CurrGet.li.name.start;
CurrGet.li.scope.len = CurrGet.li.name.len;
break;
case 7: /* get name >>bool */
if( CurrToken == T_NAME ) {
CurrGet.kind = GET_NAME;
CurrGet.li.name.start = NamePos();
CurrGet.li.name.len = NameLen();
Scan();
result = TRUE;
}
break;
case 8: /* get operator name */
CurrGet.kind = GET_OPERATOR;
CurrGet.li.name.start = NamePos();
CurrGet.li.name.len = NameLen();
Scan();
break;
case 9: /* get line number >>bool */
if( CurrToken == T_LEFT_BRACE ) {
size_t len;
/* Get a specfic file name for the module */
ScanQuote( &CurrGet.li.source.start, &len );
CurrGet.li.source.len = len;
}
if( CurrToken == T_INT_NUM ) {
unsigned_64 tmp;
result = TRUE;
CurrGet.kind = GET_LNUM;
old = SetCurrRadix( 10 );
tmp = IntNumVal();
CurrGet.li.name.len = U32FetchTrunc( tmp );
Scan();
SetCurrRadix( old );
}
break;
case 10: /* GetDtorName >>bool */
if( CurrToken == T_NAME ) {
CurrGet.kind = GET_NAME;
CurrGet.li.name.start = NamePos();
CurrGet.li.name.len = NameLen();
CurrGet.li.type = ST_DESTRUCTOR;
addr = Context.execution;
sym = LookupSymList( SS_SCOPED, &addr, FALSE, &CurrGet.li );
if( sym != NULL ) {
PurgeSymHandles();
Scan();
result = TRUE;
} else {
CurrGet.li.type = ST_NONE;
}
}
break;
case 11: /* GetSetNameType(symbol_type) */
CurrGet.li.type = parm;
break;
case 12: /* GetQueryName >>bool */
CurrGet.kind = GET_NAME;
addr = Context.execution;
sym = LookupSymList( SS_SCOPED, &addr, FALSE, &CurrGet.li );
if( sym != NULL ) {
PurgeSymHandles();
result = TRUE;
} else {
CurrGet.li.type = ST_NONE;
}
break;
case 13: /* GetAddScope */
if( CurrGet.li.scope.len == 0 ) {
CurrGet.li.scope = CurrGet.li.name;
} else {
CurrGet.li.scope.len = (CurrGet.li.name.start-CurrGet.li.scope.start)
+ CurrGet.li.name.len;
}
break;
}
return( result );
}
void Error( dbg_err_flags flg, char *fmt, ... )
{
char buff[TXT_LEN];
va_list args;
char *ptr;
invokes *inv;
input_stack *inp;
char *where;
bool cmderror;
va_start( args, fmt );
ptr = buff;
if( flg & ERR_INTERNAL ) {
ptr = StrCopy( LIT_ENG( Internal_Error ), ptr );
}
ptr = FmtStr( ptr, fmt, args );
ptr = StrCopy( ".", ptr );
if( flg & ERR_LOC ) {
ptr = StrCopy( "\n ", ptr );
switch( CurrToken ) {
case T_CMD_SEPARATOR:
ptr = StrCopy( LIT_ENG( ERR_NEAR_END_OF_COMMAND ), ptr );
break;
case T_LINE_SEPARATOR:
ptr = StrCopy( LIT_ENG( ERR_NEAR_END_OF_LINE ), ptr );
break;
default:
if( ScanLen() == 0 ) Scan();
ptr = Format( ptr, LIT_ENG( ERR_NEAR_TOKEN ), ScanPos(), ScanLen() );
break;
}
}
SetProgStartHook( TRUE );
UnFreezeRegs();
ScanExpr( NULL );
ExprPurge();
PurgeSymHandles(); /* must be done after ExprPurge */
DIPCancel();
ScanSavePtr = 0; /* clean up previous ScanSave locations */
if( _IsOff( SW_ERROR_PRESERVES_RADIX ) ) {
RestoreRadix();
}
_SwitchOff( SW_CALL_FATAL );
if( _IsOn( SW_ERROR_STARTUP ) ) {
StartupErr( buff );
}
if( _IsOn( SW_ERR_IN_TXTBUFF ) ) {
PurgeInpStack();
StrCopy( buff, TxtBuff );
DUIArrowCursor();
Suicide();
}
if( (flg & ERR_SILENT) == 0 ) {
where = LIT_ENG( ERR_EXECUTING_AT );
for( inp = InpStack; inp != NULL; inp = inp->link ) {
if( inp->type & INP_CMD_FILE ) {
inv = inp->handle;
ptr = StrCopy( "\n ", ptr );
ptr = Format( ptr, where, inv->line, inv->name );
where = LIT_ENG( ERR_CALLED_FROM );
}
}
DUIFlushKeys();
DUIWndDebug();
RingBell();
DUIErrorBox( buff );
}
cmderror = FALSE;
for( inp = InpStack; inp != NULL; inp = inp->link ) {
if( inp->type & INP_BREAK_POINT ) {
BrkCmdError();
}
if( inp->type & INP_CAPTURED ) {
CaptureError();
}
if( inp->type & INP_DLG_CMD ) {
cmderror = TRUE;
}
}
PurgeInpStack();
if( cmderror && fmt != LIT_ENG( ERR_DBG_INTERRUPT ) ) {
DlgCmd();
ProcInput();
}
if( _IsOn( SW_ERROR_RETURNS ) ) return;
DUIArrowCursor();
Suicide();
}
