void CmdLnCtxSwitch( // RECORD SWITCH POSITION
char const * sw_ptr ) // - current switch location
{
CTX_CL* entry; // - new entry
entry = VstkTop( &cmdLnContexts );
entry->base.sw_ptr = (char *)sw_ptr;
}
void SymTransEmpty( // DEBUG: VERIFY SYMBOL TRANSLATIONS OVER
void )
{
DbgVerify( NULL == VstkTop( &stack_sym_trans )
, "SymTransEmpty -- stack not empty" );
DbgVerify( 0 == sym_trans_id
, "SymTransEmpty -- id != 0" );
}
void CgSwitchEnd // GENERATE CODE FOR END OF SWITCH STMT
( void )
{
SW_CTL *ctl; // - control for switch
ctl = VstkTop( &stack_switches );
CgLabel( ctl->label );
CGSelect( ctl->id, CgFetchTemp( ctl->temp, ctl->type ) );
BEFiniLabel( ctl->label );
VstkPop( &stack_switches );
CgLabelsPop( &stack_labs_sw, ctl->cases );
}
void SymTransFuncEnd( // COMPLETE FUNCTION TRANSLATION
FN_CTL* fctl ) // - function control
{
SYM_TRANS* top; // - top translation
sym_trans_id = fctl->sym_trans_id;
for( ; ; VstkPop( &stack_sym_trans ) ) {
top = VstkTop( &stack_sym_trans );
if( top == NULL ) break;
if( top->id < sym_trans_id ) break;
dump( "freed", top );
}
}
void *VstkBase( // GET BASE ELEMENT
VSTK_CTL *stack, // - stack to be based
int base ) // - the base index
{
void *cur; // - current element
-- base;
if( base >= VstkDimension( stack ) ) {
cur = VstkTop( stack );
} else {
cur = VstkIndex( stack, base );
}
return( cur );
}
static DUMP_INFO* dumpParentage( // DUMP PARENTAGE
DUMP_INFO* di ) // - dump information
{
char**daughter; // - daughter class
for( daughter = VstkTop( &di->stack ); ; ) {
daughter = VstkNext( &di->stack, daughter );
if( daughter == NULL ) break;
di = bufferInit( di );
di = bufferStr( di, "base of: " );
di = bufferStr( di, *daughter );
di = bufferWrite( di );
}
return di;
}
boolean CgExprPopGarbage( // POP EXPR STACK IF TOP EXPR IS GARBAGE
void )
{
CGEXPR* top; // - top of stack
boolean retn; // - TRUE ==> garbage was popped
top = VstkTop( &expressions );
if( top == NULL ) {
retn = TRUE;
} else if( top->garbage ) {
VstkPop( &expressions );
retn = TRUE;
} else {
retn = FALSE;
}
return retn;
}
void CmdLnCtxInfo( // PRINT CONTEXT INFO
void )
{
CTX_CL* entry; // - current entry
VBUF buf; // - buffer
VbufInit( &buf );
for( entry = VstkTop( &cmdLnContexts )
; entry != NULL
; entry = VstkNext( &cmdLnContexts, entry ) ) {
VbufRewind( &buf );
switch( entry->base.ctx_type ) {
case CTX_CLTYPE_ENV :
VbufConcChr( &buf, '@' );
VbufConcStr( &buf, entry->env.var );
break;
case CTX_CLTYPE_FC :
VbufConcStr( &buf, "batch file of commands, line " );
VbufConcDecimal( &buf, CompInfo.fc_file_line );
break;
case CTX_CLTYPE_PGM :
VbufConcStr( &buf, "command line" );
break;
case CTX_CLTYPE_FILE :
VbufConcStr( &buf, SrcFileFullName( entry->file.source ) );
break;
DbgDefault( "bad command-line context" );
}
if( entry->base.sw_ptr != NULL ) {
size_t size;
char const * not_used;
char const* old = CmdScanAddr();
CmdScanInit( entry->base.sw_ptr );
CmdScanChar();
size = CmdScanOption( ¬_used ) + 1;
CmdScanInit( old );
VbufConcStr( &buf, ", switch: " );
for( old = entry->base.sw_ptr; size > 0; ++old, --size ) {
VbufConcChr( &buf, *old );
}
}
InfMsgPtr( INF_SWITCH, VbufString( &buf ) );
}
VbufFree( &buf );
}
void* SymTrans( // TRANSLATE SYMBOL/SCOPE
void *src ) // - source value
{
SYM_TRANS *tr; // - translation element (current)
unsigned bound; // - bounding id
bound = FnCtlTop()->sym_trans_id;
for( tr = VstkTop( &stack_sym_trans )
; tr != NULL && bound <= tr->id
; tr = VstkNext( &stack_sym_trans, tr ) ) {
if( src == tr->src ) {
src = tr->tgt;
dump( "used", tr );
break;
}
}
return( src );
}
static void reportOnType // SET UP TYPE REFERENCE
( SRCFILE curr // - current source file
, TYPE type // - a type
, SYMBOL sym ) // - symbol for type
{
if( NULL != sym && ( SF2_TOKEN_LOCN & sym->flag2 ) ) {
SRCFILE refed = sym->locn->tl.src_file;
if( curr != refed ) {
REPO_STAT* repo = reposStat( curr );
TYPE* last;
for( last = VstkTop( &repo->typeset ); ; last = VstkNext( &repo->typeset, last ) ) {
if( NULL == last ) {
*(TYPE*)VstkPush( &repo->typeset ) = type;
break;
}
if( type == *last ) break;
}
}
}
}
void CallIndirectVirtual( // MARK INDIRECT CALL AS VIRTUAL
SYMBOL vfunc, // - the virtual function
boolean is_virtual, // - TRUE ==> an actual virtual call
target_offset_t adj_this, // - adjustment for "this"
target_offset_t adj_retn ) // - adjustment for return
{
CALL_STK* cstk; // - top of call stack
SYMBOL virt_fun; // - dummy symbol for virtual call
vfunc = vfunc;
if( is_virtual ) {
virt_fun = ind_call_stack;
virt_fun->id = SC_VIRTUAL_FUNCTION;
virt_fun->u.virt_fun = vfunc;
} else {
cstk = VstkTop( &stack_calls );
DbgVerify( cstk != NULL, "CallIndirectVirtual -- no call stack" );
cstk->adj_this = adj_this;
cstk->adj_retn = adj_retn;
}
}
static REPO_STAT* reposStat // GET REPOSITORY STATISTICS FOR SRCFILE
( SRCFILE sf ) // - the source file
{
REPO_STAT** last; // - addr[ REPO_STAT ]
REPO_STAT* retn; // - REPO_STAT for source file
for( last = VstkTop( &srcFiles ); ; last = VstkNext( &srcFiles, last ) ) {
if( NULL == last ) {
retn = CarveAlloc( carve_sf );
*(REPO_STAT**)VstkPush( &srcFiles ) = retn;
VstkOpen( &retn->refset, sizeof( SYMBOL ), 32 );
VstkOpen( &retn->typeset, sizeof( TYPE ), 32 );
retn->srcfile = sf;
retn->defns = 0;
break;
}
retn = *last;
if( sf == retn->srcfile ) break;
}
return retn;
}
void ExtraRptSymUsage( // REPORT SYMBOL USAGE FROM PRIMARY SOURCE
SYMBOL sym )
{
extraRptTypeUsage( sym->sym_type );
if( isReposSym( sym ) ) {
SRCFILE current = SrcFileCurrent();
SRCFILE refed = sym->locn->tl.src_file;
if( current != refed ) {
REPO_STAT* repo = reposStat( current );
SYMBOL* last;
for( last = VstkTop( &repo->refset )
;
; last = VstkNext( &repo->refset, last ) ) {
if( NULL == last ) {
*(SYMBOL*)VstkPush( &repo->refset ) = sym;
break;
}
if( sym == *last ) break;
}
}
}
}
static void dumpPTreeNode( // DUMP A PARSE TREE NODE
PTREE node ) // - node in parse tree
{
static char buffer[128]; // - debugging buffer
char *node_name; // - name of node
VSTK_CTL ctl; // - VSTK control information (nodes)
VSTK_CTL dup; // - VSTK control information (duplicates)
int dup_out; // - last duplicate printed
VstkOpen( &ctl, sizeof( PTREE ), 32 );
VstkOpen( &dup, sizeof( PTREE ), 8 );
dup_out = -1;
for( ; ; ) {
switch( node->op ) {
case PT_ERROR :
printf( "PT_ERROR" F_BADDR
" ***** ERROR TREE *****" F_EOL
, node
);
break;
case PT_INT_CONSTANT :
node_name = "PT_INT_CONSTANT";
printf( F_NAME F_BADDR
" flags" F_HEX_4
" type" F_PTR
, node_name
, node
, node->flags
, node->type
);
if( NULL == Integral64Type( node->type ) ) {
printf( " integer" F_HEX_4
, node->u.int_constant
);
} else {
printf( " integer-64" F_S64
, VAL64( node->u.int64_constant )
);
}
dumpNodeType( node );
dumpLocation( &node->locn );
dumpPtreeFlags( node );
break;
case PT_FLOATING_CONSTANT : {
char buffer[256];
BFCnvFS( node->u.floating_constant, buffer, 256 );
printf( "PT_FLOATING_CONSTANT" F_BADDR
" flags" F_HEX_4
" float" F_CPP_FLOAT
, node
, node->flags
, buffer
);
dumpNodeType( node );
dumpLocation( &node->locn );
dumpPtreeFlags( node );
}
break;
case PT_STRING_CONSTANT :
stvcpy( buffer, node->u.string->string, node->u.string->len );
printf( "PT_STRING_CONSTANT" F_BADDR
" flags" F_HEX_4
" string" F_STRING
, node
, node->flags
, buffer
);
dumpNodeType( node );
dumpLocation( &node->locn );
dumpPtreeFlags( node );
break;
case PT_ID :
printf( "PT_ID" F_BADDR
" flags" F_HEX_4
" cgop" F_STRING F_NL
" id" F_PTR
"=" F_STRING
" id_cgop" F_STRING
" u.id.scope" F_PTR
, node
, node->flags
, DbgOperator( node->cgop )
, node->u.id.name
, NameStr( node->u.id.name )
, DbgOperator( node->id_cgop )
, node->u.id.scope
);
dumpNodeType( node );
dumpLocation( &node->locn );
dumpPtreeFlags( node );
break;
case PT_TYPE :
printf( "PT_TYPE" F_BADDR
" cgop" F_STRING
" flags" F_HEX_4
" next" F_PTR
" scope" F_PTR
, node
, DbgOperator( node->cgop )
, node->flags
, node->u.type.next
, node->u.type.scope
);
dumpNodeType( node );
dumpLocation( &node->locn );
dumpPtreeFlags( node );
break;
case PT_SYMBOL :
if( node->cgop == CO_NAME_THIS ) {
printf( "PT_SYMBOL" F_BADDR
" flags" F_HEX_4
" this "
, node
, node->flags
);
dumpNodeType( node );
dumpLocation( &node->locn );
dumpPtreeFlags( node );
} else if( node->cgop == CO_NAME_CDTOR_EXTRA ) {
printf( "PT_SYMBOL" F_BADDR
" flags" F_HEX_4
" cdtor_extra_parm "
, node
, node->flags
);
dumpNodeType( node );
dumpLocation( &node->locn );
dumpPtreeFlags( node );
} else {
printf( "PT_SYMBOL" F_BADDR
" flags" F_HEX_4
" cgop" F_STRING F_NL
" symbol" F_PTR
" result" F_PTR
, node
, node->flags
, DbgOperator( node->cgop )
, node->u.symcg.symbol
, node->u.symcg.result
);
dumpNodeType( node );
dumpLocation( &node->locn );
dumpPtreeFlags( node );
DumpSymbol( node->u.symcg.symbol );
}
break;
case PT_UNARY :
printf( "PT_UNARY" F_BADDR
F_POINTS F_ADDR
" flags" F_HEX_4
" cgop" F_STRING
, node
, node->u.subtree[0]
, node->flags
, DbgOperator( node->cgop )
);
dumpNodeType( node );
dumpLocation( &node->locn );
dumpPtreeFlags( node );
PUSH_NODE( ctl, node->u.subtree[0] );
break;
case PT_BINARY :
printf( "PT_BINARY" F_BADDR
F_POINTS F_ADDR
"," F_ADDR
" flags" F_HEX_4
" cgop" F_STRING
, node
, node->u.subtree[0]
, node->u.subtree[1]
, node->flags
, DbgOperator( node->cgop )
);
dumpNodeType( node );
dumpLocation( &node->locn );
dumpPtreeFlags( node );
PUSH_NODE( ctl, node->u.subtree[1] );
PUSH_NODE( ctl, node->u.subtree[0] );
break;
case PT_DUP_EXPR :
{ PTREE *duped; // - duplicated expression
printf( "PT_DUP_EXPR" F_BADDR
F_POINTS F_ADDR
" flags" F_HEX_4
" node" F_ADDR
, node
, node->u.dup.subtree[0]
, node->flags
, node->u.dup.node
);
dumpNodeType( node );
dumpLocation( &node->locn );
dumpPtreeFlags( node );
if( node->u.subtree[0] != NULL ) {
for( duped = VstkTop( &dup )
;
; duped = VstkNext( &dup, duped ) ) {
if( duped == NULL ) {
PUSH_NODE( dup, node->u.subtree[0] );
} else if( *duped == node->u.subtree[0] ) {
break;
}
}
}
} break;
case PT_IC :
printf( "PT_IC" F_BADDR
" " F_NAME
" value" F_ADDR
, node
, DbgIcOpcode( node->u.ic.opcode )
, node->u.ic.value.pvalue
);
dumpNodeType( node );
dumpLocation( &node->locn );
dumpPtreeFlags( node );
break;
default :
printf( "***INVALID***" F_BADDR
" flags" F_HEX_4
" op" F_HEX_1
, node
, node->flags
, node->op
);
dumpNodeType( node );
dumpLocation( &node->locn );
dumpPtreeFlags( node );
break;
}
{
PTREE *next; // - addr[next node]
next = VstkPop( &ctl );
if( next != NULL ) {
node = *next;
} else {
++dup_out;
if( dup_out > VstkDimension( &dup ) ) break;
next = VstkIndex( &dup, dup_out );
printf( "--------------- duplicate ------------\n" );
node = *next;
}
}
}
VstkClose( &ctl );
VstkClose( &dup );
}
SYMBOL CallStackTopFunction( // GET FUNCTION FOR TOP OF CALL STACK
void )
{
return ((CALL_STK*)VstkTop( &stack_calls ))->func;
}
call_handle CallStackTopHandle( // GET HANDLE FOR TOP OF CALL STACK
void )
{
return ((CALL_STK*)VstkTop( &stack_calls ))->handle;
}
boolean CallStackTopInlined( // TEST IF TOP OF CALL STACK IS INLINED
void )
{
return NULL != ((CALL_STK*)VstkTop( &stack_calls ))->func;
}
target_offset_t CallStackRetnType( // GET RETURN TYPE FOR CALL
void )
{
return ((CALL_STK*)VstkTop( &stack_calls ))->retn_type;
}
target_offset_t CallStackRetnAdj( // GET RETURN ADJUSTMENT FOR VIRTUAL CALL
void )
{
return ((CALL_STK*)VstkTop( &stack_calls ))->adj_retn;
}
target_offset_t CallStackThisAdj( // GET "THIS" ADJUSTMENT FOR VIRTUAL CALL
void )
{
return ((CALL_STK*)VstkTop( &stack_calls ))->adj_this;
}
static SW_CTL *switch_ctl( // GET CURRENT SW_CTL
void )
{
return VstkTop( &stack_switches );
}