void CgFrontRetnOptEnd( // COMPLETE BRACKETTING FOR RETURN OPT.
void )
{
if( FnRetnOpt() ) {
CgFrontCode( IC_RETNOPT_END );
}
}
unsigned StaticInitFuncBeg( // START INITIALIZATION OF STATIC IN FUNCTION
void )
{
CGLABEL init_label; // - label #
INIT_VAR *init_var;
CgFrontStatInit();
init_var = FunctionBodyGetInit( NULL );
if( init_var->var == NULL ) {
init_var->var = staticInitFuncVar();
} else {
init_var->mask <<= 1;
if( init_var->mask >= 0x100 ) {
++init_var->var->sym_type->u.a.array_size;
init_var->mask = 1;
}
}
if( CompFlags.bm_switch_used ) {
SYMBOL rtf;
rtf = RunTimeCallSymbol( RTF_STATIC_INIT );
CgFrontSymbol( rtf );
CgSetType( GetBasicType( TYP_SINT ) );
CgFrontCodePtr( IC_CALL_SETUP, rtf );
CgSetType( GetBasicType( TYP_SINT ) );
CgFrontCodeUint( IC_LEAF_CONST_INT, init_var->mask );
CgFrontCode( IC_CALL_PARM );
moduleInitVar( init_var->var, false );
CgFrontCode( IC_CALL_PARM );
CgFrontCode( IC_CALL_EXEC );
} else {
moduleInitVar( init_var->var, true );
CgFrontCodeUint( IC_OPR_UNARY, CO_FETCH );
CgFrontCodeUint( IC_LEAF_CONST_INT, init_var->mask );
CgFrontCodeUint( IC_OPR_BINARY, CO_AND );
}
CgFrontCodeUint( IC_LEAF_CONST_INT, 0 );
CgFrontCodeUint( IC_OPR_BINARY, CO_NE );
init_label = CgFrontLabelCs();
CgFrontGotoNear( IC_LABEL_CS, O_IF_TRUE, init_label );
if( !CompFlags.bm_switch_used ) {
moduleInitVar( init_var->var, true );
CgFrontCodeUint( IC_LEAF_CONST_INT, init_var->mask );
CgFrontCodeUint( IC_OPR_BINARY, CO_OR_EQUAL );
CgFrontCode( IC_EXPR_DONE );
}
return( init_label );
}
void CgFrontSwitchDefault( // DEFAULT STATEMENT IN SWITCH STATEMENT
SCOPE scope_sw, // - scope for switch jump
boolean deadcode, // - dead-code state
TOKEN_LOCN *posn ) // - source-file position
{
CGFILE_GEN *gen; // - generation data
gen = getGenData();
emitSourcePosn( gen, posn );
CgFrontCode( IC_SWITCH_DEFAULT );
LabelSwitchLabel( scope_sw, deadcode );
cgfront_debug( "default" );
}
void CgFrontFuncClose( // CLOSE A FUNCTION (AND ITS FILE)
SYMBOL func ) // - symbol for function
{
CgFrontCode( IC_FUNCTION_CLOSE );
if( FnRetnOpt() ) {
SYMBOL opt_sym = FnRetnOptSym();
if( opt_sym != NULL ) {
codeCGFILE->opt_retn = opt_sym;
switch( ObjModelFunctionReturn( func->sym_type ) ) {
case OMR_CLASS_REF :
codeCGFILE->s.opt_retn_ref = TRUE;
break;
case OMR_CLASS_VAL :
case OMR_SCALAR :
codeCGFILE->s.opt_retn_val = TRUE;
break;
}
}
}
CgioCloseOutputFile( codeCGFILE );
codeCGFILE = NULL;
}
CGFILE_INS CgFrontFuncOpen( // OPEN A FUNCTION (AND ITS FILE)
SYMBOL func, // - symbol for function
TOKEN_LOCN *posn ) // - source position
{
CGFILE_GEN *gen; // - generation data
DT_METHOD dtm; // - destruction method for function
CGFILE_INS reg; // - position to zap for function registration
codeCGFILE = CgioCreateFile( func );
if( posn != NULL ) {
codeCGFILE->defined = *posn;
}
gen = getGenData();
if( posn != NULL ) {
emitSourcePosn( gen, posn );
}
CgFrontCodePtr( IC_FUNCTION_OPEN, func );
CgFrontCodePtr( IC_FUNCTION_ARGS, GetCurrScope() );
dtm = CompInfo.dt_method_speced;
if( ! SymIsDtor( func ) ) {
switch( dtm ) {
case DTM_DIRECT_SMALL :
dtm = DTM_DIRECT;
break;
case DTM_TABLE_SMALL :
dtm = DTM_TABLE;
break;
}
}
CompInfo.dt_method = dtm;
CgFrontCodeUint( IC_FUNCTION_DTM, dtm );
CgFrontCode( IC_NO_OP ); // - may be zapped to IC_FUNCTION_STAB
reg = CgioLastWrite( codeCGFILE );
gen->emit_line_no.src_file = NULL;
if( posn != NULL ) {
emitSourcePosn( gen, posn );
}
return reg;
}
static PTREE addPtIc( // DECORATE TREE WITH PT_IC NODE
PTREE tree, // - tree
PTREE node ) // - IC node
{
PTREE *a_expr; // - expression for side-effect
if( tree == NULL ) {
CgFrontCodePtr( node->u.ic.opcode, node->u.ic.value.pvalue );
CgFrontCode( IC_EXPR_TRASH );
PTreeFree( node );
tree = NULL;
} else {
PTREE dup = tree;
if( NodeIsUnaryOp( tree, CO_EXPR_DONE ) ) {
a_expr = &dup->u.subtree[0];
} else {
a_expr = &dup;
}
*a_expr = NodeAddSideEffect( node, *a_expr );
tree = dup;
}
return tree;
}
void CgFrontSwitchBeg( // START A SWITCH STATEMENT
void )
{
CgFrontCode( IC_SWITCH_BEG );
}
