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 );
}
// This is kluge because of the lack of a code-generation interface to
// signal a virtual function reference.
//
// This is accomplished by putting out a fake virtual call in dead-code.
//
void VfnReference( // EMIT VIRTUAL FUNCTION REFERENCE
SYMBOL vfun ) // - a virtual function
{
CGLABEL around; // - label for jump around
PTREE fake; // - fake call expression
around = CgFrontLabelCs();
CgFrontGotoNear( IC_LABEL_CS, O_GOTO, around );
fake = NodeAssignTemporary( MakePointerTo( vfun->sym_type )
, NodeMakeCallee( vfun ) );
fake = NodeRvalue( fake );
fake = NodeUnaryCopy( CO_CALL_SETUP_IND, fake );
fake = VfnDecorateCall( fake, vfun );
fake = NodeBinary( CO_CALL_EXEC_IND, fake, NULL );
fake->type = SymFuncReturnType( vfun );
fake->flags |= PTF_MEANINGFUL | PTF_SIDE_EFF;
fake = NodeDone( fake );
IcEmitExpr( fake );
CgFrontLabdefCs( around );
CgFrontLabfreeCs( 1 );
}