void ProcIf( void )
{
const char *start;
size_t len;
const char *true_start;
size_t true_len;
unsigned_64 res;
cmd_list *cmd;
bool have_true;
true_len = 0;
have_true = false;
for( ;; ) {
if( have_true ) {
ChkExpr();
U64Clear( res );
} else {
res = ReqU64Expr();
}
if( !ScanQuote( &start, &len ) ) {
Error( ERR_LOC, LIT_ENG( ERR_WANT_COMMAND_LIST ) );
}
if( U64Test( &res ) != 0 ) {
true_start = start;
true_len = len;
have_true = true;
}
if( ScanCmd( ElseifTab ) < 0 ) {
break;
}
}
ScanCmd( ElseTab ); /* optional else */
if( ScanQuote( &start, &len ) && !have_true ) {
true_start = start;
true_len = len;
}
ReqEOC();
if( true_len != 0 ) {
cmd = AllocCmdList( true_start, true_len );
PushCmdList( cmd );
CopyInpFlags();
FreeCmdList( cmd );
}
}
bool ScanItem( bool blank_delim, char **start, unsigned *len )
{
if( ScanEOC() ) {
*start = NULL;
*len = 0;
return( FALSE );
}
if( ScanQuote( start, len ) ) return( TRUE );
*start = TokenStart;
for( ;; ) {
if( blank_delim && isspace( *ScanPtr ) ) break;
if( *ScanPtr == ';' ) break;
if( *ScanPtr == NULLCHAR ) break;
++ScanPtr;
}
*len = ScanPtr - TokenStart;
Scan();
return( TRUE );
}
void ProcWhile( void )
{
char *start;
unsigned len;
unsigned_64 res;
cmd_list *cmd;
res = ReqU64Expr();
if( !ScanQuote( &start, &len ) || len == 0 ) {
Error( ERR_LOC, LIT( ERR_WANT_COMMAND_LIST ) );
}
ReqEOC();
if( U64Test( &res ) != 0 ) {
cmd = AllocCmdList( start, len );
ReScan( CmdStart );
PushCmdList( cmd );
CopyInpFlags();
FreeCmdList( cmd );
}
}
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 );
}
static brkp *SetPoint( memory_expr def_seg, mad_type_handle th )
{
brkp *bp;
const char *start;
size_t len;
address loc;
cmd_list *cmds;
char *condition;
long countdown;
bool resume;
bool active;
int index;
mad_type_info mti;
unsigned old;
bool unmapped;
bool mapaddress;
bool symaddress;
char *image_name;
char *mod_name;
char *sym_name;
long cue_diff;
long addr_diff;
int cmd;
resume = false;
index = 0;
active = true;
unmapped = false;
mapaddress = false;
symaddress = false;
while( CurrToken == T_DIV ) {
Scan();
cmd = ScanCmd( PointNameTab );
if( cmd < 0 )
break;
switch( cmd ) {
case B_RESUME:
resume = true;
break;
case B_UNRESUME:
resume = false;
break;
case B_ACTIVATE:
active = true;
break;
case B_DEACTIVATE:
active = false;
break;
case B_UNMAPPED:
unmapped = true;
break;
case B_MAPADDRESS:
mapaddress = true;
ScanItem( true, &start, &len );
image_name = DupStrLen( start, len );
loc.mach.segment = ReqLongExpr();
loc.mach.offset = ReqLongExpr();
ReqComma();
break;
case B_SYMADDRESS:
symaddress = true;
ScanItem( true, &start, &len );
image_name = DupStrLen( start, len );
ScanItem( true, &start, &len );
mod_name = DupStrLen( start, len );
ScanItem( true, &start, &len );
sym_name = DupStrLen( start, len );
cue_diff = ReqLongExpr();
addr_diff = ReqLongExpr();
loc = NilAddr;
ReqComma();
break;
case B_INDEX:
old = NewCurrRadix( 10 );
index = ReqExpr();
NewCurrRadix( old );
ReqComma();
break;
/* fall thru */
default:
Error( ERR_LOC, LIT_ENG( ERR_BAD_OPTION ), GetCmdName( CMD_BREAK ) );
break;
}
}
if( !unmapped ) {
ReqMemAddr( def_seg, &loc );
}
for( bp = BrkList; bp != NULL; bp = bp->next ) {
if( AddrComp( bp->loc.addr, loc ) == 0 ) {
Error( ERR_NONE, LIT_ENG( ERR_POINT_EXISTS ) );
}
}
cmds = NULL;
condition = NULL;
countdown = 0;
if( ScanQuote( &start, &len ) ) {
if( len != 0 )
cmds = AllocCmdList( start, len );
if( ScanQuote( &start, &len ) ) {
if( len != 0 )
condition = DupStrLen( start, len );
if( !ScanEOC() ) {
countdown = ReqExpr();
}
}
}
ReqEOC();
if( !IS_BP_EXECUTE( th ) ) {
MADTypeInfo( th, &mti );
switch( mti.b.bits / BITS_PER_BYTE ) {
case 1:
case 2:
case 4:
break;
case 8:
if( Is8ByteBreakpointsSupported() )
break;
default:
Error( ERR_NONE, LIT_ENG( ERR_NOT_WATCH_SIZE ) );
break;
}
}
bp = AddPoint( loc, th, unmapped );
if( bp == NULL )
return( NULL );
bp->status.b.unmapped = unmapped;
if( mapaddress ) {
bp->loc.image_name = image_name;
}
if( symaddress ) {
bp->image_name = image_name;
bp->mod_name = mod_name;
bp->sym_name = sym_name;
bp->cue_diff = cue_diff;
bp->addr_diff = addr_diff;
}
bp->cmds = cmds;
if( cmds != NULL )
bp->status.b.use_cmds = true;
bp->condition = condition;
if( condition != NULL )
bp->status.b.use_condition = true;
SetBPCountDown( bp, countdown );
bp->status.b.resume = resume;
bp->status.b.active = active;
if( index != 0 )
bp->index = index;
RecordBreakEvent( bp, B_SET );
return( bp );
}
