void ProcFlip( void )
{
const char *old;
uint_16 wait;
wait = 0;
if( !ScanEOC() ) {
old = ScanPos();
switch( ScanCmd( "ON\0OFf\0" ) ) {
case 0:
ReqEOC();
_SwitchOn( SW_FLIP );
return;
case 1:
ReqEOC();
_SwitchOff( SW_FLIP );
return;
default:
ReScan( old );
wait = (uint_16)ReqExpr();
ReqEOC();
break;
}
}
Flip( wait );
}
void ProcFlip( void )
{
char *old;
unsigned wait;
unsigned cmd;
wait = 0;
if( !ScanEOC() ) {
old = ScanPos();
cmd = ScanCmd( OnOffNameTab );
switch( cmd ) {
case 1:
ReqEOC();
_SwitchOn( SW_FLIP );
return;
case 2:
ReqEOC();
_SwitchOff( SW_FLIP );
return;
default:
ReScan( old );
wait = ReqExpr();
ReqEOC();
break;
}
}
Flip( wait );
}
void ProcACmd( void )
{
int cmd;
ChkBreak();
CmdStart = ScanPos();
switch( CurrToken ) {
case T_CMD_SEPARATOR:
Scan();
break;
case T_DIV:
Scan();
ProcDo();
break;
case T_LT:
Scan();
ProcInvoke();
break;
case T_GT:
Scan();
ProcLog();
break;
case T_QUESTION:
Scan();
ProcPrint();
break;
case T_MUL:
Scan();
ProcRemark();
break;
case T_EXCLAMATION:
Scan();
ProcSystem();
break;
case T_TILDE:
Scan();
ProcThread();
break;
default:
cmd = ScanCmd( CmdNameTab );
if( cmd < 0 ) {
if( _IsOn( SW_IMPLICIT ) ) {
ProcInvoke();
} else {
ProcNil();
}
} else {
(*CmdJmpTab[ cmd ])();
}
break;
}
ScanSavePtr = 0; /* clean up previous ScanSave locations */
}
void ProcAssign( void )
{
char *startpos;
if( !AdvMachState( ACTION_ASSIGNMENT ) ) {
FlushEOC();
return;
}
startpos = ScanPos();
NormalExpr();
PopEntry();
ReqEOC();
RecordCommand( startpos, CMD_ASSIGN );
}
void ProcModify( void )
{
const char *startpos;
mad_type_handle mth;
mad_type_kind tk;
if( !AdvMachState( ACTION_MODIFY_MEMORY ) ) {
FlushEOC();
return;
}
startpos = ScanPos();
if( CurrToken != T_DIV ) {
MemMod( GetMADTypeHandleDefaultAt( NilAddr, MTK_BASIC ), MAS_MEMORY );
} else {
Scan();
mth = ScanType( MAS_ALL | MTK_ALL, &tk );
if( mth == MAD_NIL_TYPE_HANDLE ) {
Error( ERR_LOC, LIT_ENG( ERR_BAD_OPTION ), GetCmdName( CMD_MODIFY ) );
}
MemMod( mth, tk );
}
RecordCommand( startpos, CMD_MODIFY );
}
static unsigned MechMisc( unsigned select, unsigned parm )
{
long value;
unsigned result = 0;
mad_type_info mti;
switch( select ) {
case 0:
ExprAddrDepth += parm;
result = ExprAddrDepth;
break;
case 1:
if( _IsOn( SW_EXPR_IS_CALL ) && ExprAddrDepth == 0 ) {
result = TRUE;
} else {
result = FALSE;
}
break;
case 2:
SkipCount += parm;
break;
case 3:
result = SkipCount;
break;
case 4:
//never called
break;
case 5:
if( ScanSavePtr >= MAX_SCANSAVE_PTRS )
Error( ERR_INTERNAL, LIT( ERR_TOO_MANY_SCANSAVE ) );
CurrScan[ScanSavePtr++] = ScanPos();
break;
case 6:
if( ScanSavePtr <= 0 ) Error( ERR_INTERNAL, LIT( ERR_TOO_MANY_SCANRESTORE ) );
ReScan( CurrScan[--ScanSavePtr] );
break;
case 7:
if( ScanSavePtr <= 0 ) Error( ERR_INTERNAL, LIT( ERR_TOO_MANY_SCANRESTORE ) );
--ScanSavePtr;
break;
case 8:
if( parm ) { /* start scan string */
scan_string = TRUE;
ReScan( ScanPos() );
} else { /* end scan string */
scan_string = FALSE;
ReScan( ScanPos() );
}
break;
case 9:
ReScan( ScanPos() + (int)parm );
break;
case 10:
AddChar();
break;
case 11:
AddCEscapeChar();
break;
case 12:
AddActualChar( '\0' );
break;
case 13:
ScanCCharNum = parm;
break;
case 14:
if( NestedCallLevel == MAX_NESTED_CALL - 1 ) {
Error( ERR_NONE, LIT( ERR_TOO_MANY_CALLS ) );
} else {
PgmStackUsage[ ++NestedCallLevel ] = 0;
}
break;
case 15:
RValue( ExprSP );
ConvertTo( ExprSP, TK_INTEGER, TM_SIGNED, 4 );
value = U32FetchTrunc( ExprSP->v.uint ) - 1;
PopEntry();
if( ExprSP->info.kind == TK_STRING ) {
if( value < 0 || value >= ExprSP->info.size ) {
Error( ERR_NONE, LIT( ERR_BAD_SUBSTRING_INDEX ) );
}
LocationAdd( &ExprSP->v.string.loc, value*8 );
ExprSP->info.size -= value;
ExprSP->v.string.ss_offset = value;
} else {
Error( ERR_NONE, LIT( ERR_ILL_TYPE ) );
}
break;
case 16:
RValue( ExprSP );
ConvertTo( ExprSP, TK_INTEGER, TM_SIGNED, 4 );
value = U32FetchTrunc( ExprSP->v.sint ) - 1;
PopEntry();
if( ExprSP->info.kind == TK_STRING ) {
value -= ExprSP->v.string.ss_offset;
if( value < 0 || value >= ExprSP->info.size ) {
Error( ERR_NONE, LIT( ERR_BAD_SUBSTRING_INDEX ) );
}
ExprSP->info.size = value;
} else {
Error( ERR_NONE, LIT( ERR_ILL_TYPE ) );
}
break;
case 17:
EvalSubstring = parm;
if( parm ) ExprSP->v.string.ss_offset = 0;
break;
case 18:
result = EvalSubstring;
break;
case 19:
FreePgmStack( TRUE );
break;
case 20:
switch( parm ) { // nyi - begin temp
case SSL_CASE_SENSITIVE:
_SwitchOn( SW_CASE_SENSITIVE );
break;
case SSL_SIDE_EFFECT:
_SwitchOn( SW_SIDE_EFFECT );
break;
//case SSL_32_BIT:
// _SwitchOn( SW_32_BIT );
// break;
}
break;
case 21:
switch( parm ) {
case SSL_CASE_SENSITIVE:
_SwitchOff( SW_CASE_SENSITIVE );
break;
case SSL_SIDE_EFFECT:
_SwitchOff( SW_SIDE_EFFECT );
break;
//case SSL_32_BIT:
// _SwitchOff( SW_32_BIT );
// break;
}
break;
case 22:
switch( parm ) {
case SSL_CASE_SENSITIVE:
result = _IsOn( SW_CASE_SENSITIVE );
break;
case SSL_SIDE_EFFECT:
result = _IsOn( SW_SIDE_EFFECT );
break;
case SSL_32_BIT:
GetMADTypeDefault( MTK_INTEGER, &mti );
result = (mti.b.bits >= 32);
break;
}
break;
case 23: // nyi - end temp
MarkArrayOrder( parm );
break;
case 24:
StartSubscript();
break;
case 25:
AddSubscript();
break;
case 26:
EndSubscript();
break;
}
return( result );
}
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 Spectrometer::currentScanPosition(qreal position)
{
emit ScanPos(position);
}
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();
}
void ProcCall( void )
{
mad_string ctype;
int parm;
const char *results;
address start;
const char *old;
location_list ll;
dig_type_info ti;
dig_type_info *pti;
char *p;
const mad_reg_info **parm_reg;
if( CurrToken == T_DIV ) {
Scan();
ctype = ScanCall();
if( ctype == MAD_MSTR_NIL ) {
Error( ERR_LOC, LIT_ENG( ERR_BAD_CALL_TYPE ) );
}
} else {
ctype = DefCallType;
}
CallExpr( &start );
if( _IsOff( SW_HAVE_SET_CALL ) ) {
FiniCall();
p = TxtBuff;
*p++ = '(';
parm_reg = MADCallParmRegList( ctype, start );
for( parm = 0; parm_reg[parm] != NULL; ++parm ) {
if( parm > 0 ) {
*p++ = ',';
}
p = StrCopy( parm_reg[parm]->name, p );
}
*p++ = ')';
StrCopy( MADCallReturnReg( ctype, start )->name, p );
old = ReScan( TxtBuff );
DoCallSet();
ReScan( old );
}
parm = 0;
results = DefReturn;
if( CurrToken == T_LEFT_PAREN ) {
Scan();
if( CurrToken != T_RIGHT_PAREN ) {
for( ; ; ) {
pti = &ti;
if( CurrToken == T_DIV ) {
Scan();
if( CurrToken == T_DIV ) {
Scan();
/* on stack */
LocationCreate( &ll, LT_INTERNAL, NULL );
pti = NULL;
} else {
GetLocation( &ll, pti );
}
} else {
if( DefParms[parm] == NULL ) {
/* on stack */
LocationCreate( &ll, LT_INTERNAL, NULL );
pti = NULL;
} else {
old = ReScan( DefParms[parm] );
GetLocation( &ll, pti );
ReScan( old );
}
}
PushLocation( &ll, pti );
NormalExpr();
SwapStack( 1 );
++parm;
if( CurrToken != T_COMMA )
break;
Scan();
}
}
Recog( T_RIGHT_PAREN );
results = ScanPos();
if( CurrToken == T_DIV ) {
Scan();
} else if( ScanEOC() ) {
results = DefReturn;
} else {
/* syntax check */
ChkPrintList();
}
}
ReqEOC();
FreezeRegs();
if( PerformExplicitCall( start, ctype, parm ) && results != NULL ) {
old = ReScan( results );
if( Spawn( CallResults ) == 0 ) {
ReScan( old );
}
}
UnFreezeRegs();
FreePgmStack( false );
}
static void DoCallSet( void )
{
mad_string ctype;
int parm;
int i;
const char *start;
struct {
union {
const char *arg;
char *start;
} u;
unsigned len;
} new_parms[MAX_PARMS];
location_list ll;
dig_type_info ti;
if( CurrToken == T_DIV ) {
Scan();
ctype = ScanCall();
if( ctype == MAD_MSTR_NIL ) {
Error( ERR_LOC, LIT_ENG( ERR_BAD_CALL_TYPE ) );
}
} else {
ctype = DefCallType;
}
if( CurrToken == T_LEFT_PAREN ) {
parm = 0;
Scan();
if( CurrToken != T_RIGHT_PAREN ) {
for( ;; ) {
if( parm >= MAX_PARMS )
Error( ERR_LOC, LIT_ENG( ERR_TOO_MANY_PARMS ) );
new_parms[parm].u.arg = ScanPos();
GetLocation( &ll, &ti );
new_parms[parm].len = ScanPos() - new_parms[parm].u.arg;
++parm;
if( CurrToken != T_COMMA )
break;
Scan();
}
}
Recog( T_RIGHT_PAREN );
} else {
parm = -1;
}
start = ScanPos();
if( CurrToken == T_DIV ) {
Scan();
} else if( ScanEOC() ) {
start = NULL;
} else {
/* syntax check */
ChkPrintList();
}
ReqEOC();
if( start != NULL ) {
char *new_return;
i = ScanPos() - start;
new_return = DbgMustAlloc( i + 1 );
memcpy( new_return, start, i );
new_return[i] = NULLCHAR;
_Free( DefReturn );
DefReturn = new_return;
}
if( parm >= 0 ) {
for( i = 0; i < parm; ++i ) {
char *new_arg;
_Alloc( new_arg, new_parms[i].len + 1 );
if( new_arg == NULL ) {
parm = i;
for( i = 0; i < parm; ++i ) {
_Free( new_parms[i].u.start );
}
parm = 0;
Error( ERR_NONE, LIT_ENG( ERR_NO_MEMORY_FOR_EXPR ) );
break;
} else {
memcpy( new_arg, new_parms[i].u.arg, new_parms[i].len );
new_arg[new_parms[i].len] = NULLCHAR;
new_parms[i].u.start = new_arg;
}
}
FreeParms();
for( i = 0; i < parm; ++i ) {
DefParms[i] = new_parms[i].u.start;
}
}
DefCallType = ctype;
}
OVL_EXTERN void ProcNil( void )
{
if( ScanLen() == 0 ) Scan();
Error( ERR_NONE, LIT_ENG( ERR_BAD_COMMAND ), ScanPos(), ScanLen() );
}