void end_if_semantics (void)
{
int if_ir_idx;
int if_sh_idx;
int il_idx;
int ir_idx;
int lbl_idx;
int sh_idx;
opnd_type tmp_opnd;
TRACE (Func_Entry, "end_if_semantics", NULL);
/* Walk back through the IF construct to find the IF construct SH. */
/* If it's marked in error, bail. */
if_sh_idx = SH_PARENT_BLK_IDX(curr_stmt_sh_idx);
while (SH_STMT_TYPE(if_sh_idx) != If_Cstrct_Stmt) {
if (SH_STMT_TYPE(if_sh_idx) == Else_Stmt) {
if_sh_idx = IR_IDX_L(SH_IR_IDX(if_sh_idx));
}
else {
if_sh_idx = IL_IDX(IL_NEXT_LIST_IDX(IR_IDX_R(SH_IR_IDX(if_sh_idx))));
}
}
if (SH_ERR_FLG(if_sh_idx)) {
goto EXIT;
}
lbl_idx = IL_IDX(IL_NEXT_LIST_IDX(IR_IDX_R(SH_IR_IDX(if_sh_idx))));
AT_DEFINED(lbl_idx) = TRUE;
AT_DEF_LINE(lbl_idx) = stmt_start_line;
ATL_DEF_STMT_IDX(lbl_idx) = curr_stmt_sh_idx;
AT_REFERENCED(lbl_idx) = Referenced;
/* If the last clause of the IF construct is an ELSE IF, generate a */
/* CONTINUE statement to define its branch-around label. */
if (SH_STMT_TYPE(SH_PARENT_BLK_IDX(curr_stmt_sh_idx)) == Else_If_Stmt) {
gen_sh(Before, Continue_Stmt, stmt_start_line, stmt_start_col,
FALSE,
TRUE, /* Labeled. */
TRUE); /* Compiler-generated */
sh_idx = SH_PREV_IDX(curr_stmt_sh_idx);
NTR_IR_TBL(ir_idx);
SH_IR_IDX(sh_idx) = ir_idx;
IR_OPR(ir_idx) = Label_Opr;
IR_TYPE_IDX(ir_idx) = TYPELESS_DEFAULT_TYPE;
IR_LINE_NUM(ir_idx) = stmt_start_line;
IR_COL_NUM(ir_idx) = stmt_start_col;
IR_LINE_NUM_L(ir_idx) = stmt_start_line;
IR_COL_NUM_L(ir_idx) = stmt_start_col;
IR_FLD_L(ir_idx) = AT_Tbl_Idx;
lbl_idx =
IL_IDX(IR_IDX_R(SH_IR_IDX(SH_PARENT_BLK_IDX(curr_stmt_sh_idx))));
IR_IDX_L(ir_idx) = lbl_idx;
AT_DEFINED(lbl_idx) = TRUE;
AT_DEF_LINE(lbl_idx) = stmt_start_line;
ATL_DEF_STMT_IDX(lbl_idx) = sh_idx;
AT_REFERENCED(lbl_idx) = Referenced;
}
/* Generate a CONTINUE statement to define the "end IF" label. */
/* If there were no ELSE IF's and no ELSE, get the label from the first IL */
/* attached to the right operand of the If_Opr IR attached to the If_Cstrct*/
/* SH. Otherwise, get the label from the second IL. */
gen_sh(Before, Continue_Stmt, stmt_start_line, stmt_start_col,
FALSE,
TRUE, /* Labeled. */
TRUE); /* Compiler-generated */
sh_idx = SH_PREV_IDX(curr_stmt_sh_idx);
NTR_IR_TBL(ir_idx);
SH_IR_IDX(sh_idx) = ir_idx;
IR_OPR(ir_idx) = Label_Opr;
IR_TYPE_IDX(ir_idx) = TYPELESS_DEFAULT_TYPE;
IR_LINE_NUM(ir_idx) = stmt_start_line;
IR_COL_NUM(ir_idx) = stmt_start_col;
IR_LINE_NUM_L(ir_idx) = stmt_start_line;
IR_COL_NUM_L(ir_idx) = stmt_start_col;
IR_FLD_L(ir_idx) = AT_Tbl_Idx;
if_ir_idx = SH_IR_IDX(if_sh_idx);
if (SH_STMT_TYPE(SH_PARENT_BLK_IDX(curr_stmt_sh_idx)) == If_Cstrct_Stmt) {
lbl_idx = IL_IDX(IR_IDX_R(if_ir_idx));
}
else {
lbl_idx = IL_IDX(IL_NEXT_LIST_IDX(IR_IDX_R(if_ir_idx)));
}
IR_IDX_L(ir_idx) = lbl_idx;
AT_DEFINED(lbl_idx) = TRUE;
AT_DEF_LINE(lbl_idx) = stmt_start_line;
ATL_DEF_STMT_IDX(lbl_idx) = sh_idx;
AT_REFERENCED(lbl_idx) = Referenced;
/* Walk back through the IF construct and transfer the branch around label */
/* for each ELSE IF and for the IF itself to the right operand of each */
/* Br_True IR (replacing the IL list). The IL_OPND is copied to a temp */
/* first because sometimes assignments get a little funky using these */
/* macros if the target is also being used to access the source. */
/* LRR: If we're gettting tight on space, could also delete the IL nodes. */
if_sh_idx = SH_PARENT_BLK_IDX(curr_stmt_sh_idx);
while (SH_STMT_TYPE(if_sh_idx) != If_Cstrct_Stmt) {
if (SH_STMT_TYPE(if_sh_idx) == Else_Stmt) {
sh_idx = if_sh_idx;
if_sh_idx = IR_IDX_L(SH_IR_IDX(if_sh_idx));
SH_IR_IDX(sh_idx) = NULL_IDX;
}
else {
il_idx = IL_NEXT_LIST_IDX(IR_IDX_R(SH_IR_IDX(if_sh_idx)));
COPY_OPND(tmp_opnd, IL_OPND(IR_IDX_R(SH_IR_IDX(if_sh_idx))));
COPY_OPND(IR_OPND_R(SH_IR_IDX(if_sh_idx)), tmp_opnd);
if_sh_idx = IL_IDX(il_idx);
}
}
COPY_OPND(tmp_opnd, IL_OPND(IR_IDX_R(if_ir_idx)));
COPY_OPND(IR_OPND_R(if_ir_idx), tmp_opnd);
EXIT:
TRACE (Func_Exit, "end_if_semantics", NULL);
return;
} /* end_if_semantics */
void gen_default_init_code(int attr_idx)
{
expr_arg_type expr_desc;
operator_type operator;
opnd_type opnd;
TRACE (Func_Entry, "gen_default_init_code", NULL);
if (AT_DCL_ERR(attr_idx)) {
goto EXIT;
}
if (SB_RUNTIME_INIT(ATD_STOR_BLK_IDX(attr_idx))) {
/* The var is on the stack, or is automatic, a darg or a func */
/* result. Generate runtime code for the initialization. */
operator = Asg_Opr;
}
else if (ATD_IN_COMMON(attr_idx)) {
operator = Init_Opr;
# if 0
# if defined(_TARGET_OS_SOLARIS) || (defined(_TARGET_OS_IRIX) || defined(_TARGET_OS_LINUX) || defined(_TARGET_OS_DARWIN))
func = gen_common_dv_init;
# else
func = gen_static_dv_whole_def;
# endif
# endif
}
else {
operator = Init_Opr;
}
if (!ATD_IM_A_DOPE(attr_idx) &&
TYP_TYPE(ATD_TYPE_IDX(attr_idx)) == Structure &&
ATT_DEFAULT_INITIALIZED(TYP_IDX(ATD_TYPE_IDX(attr_idx))) &&
!AT_DCL_ERR(TYP_IDX(ATD_TYPE_IDX(attr_idx)))) {
OPND_FLD(opnd) = AT_Tbl_Idx;
OPND_IDX(opnd) = attr_idx;
OPND_LINE_NUM(opnd) = AT_DEF_LINE(attr_idx);
OPND_COL_NUM(opnd) = AT_DEF_COLUMN(attr_idx);
# if defined(_F_MINUS_MINUS)
if (ATD_ARRAY_IDX(attr_idx) || ATD_PE_ARRAY_IDX(attr_idx)) {
# else
if (ATD_ARRAY_IDX(attr_idx)) {
# endif
gen_whole_subscript(&opnd, &expr_desc);
}
process_all_initialized_cpnts(&opnd,
TYP_IDX(ATD_TYPE_IDX(attr_idx)),
operator);
}
EXIT:
TRACE (Func_Exit, "gen_default_init_code", NULL);
return;
} /* gen_default_init_code */
/******************************************************************************\
|* *|
|* Description: *|
|* recursively go through all components of a structure to look for *|
|* default initialization. Then call the supplied routine func for *|
|* processing. *|
|* *|
|* Input parameters: *|
|* left_opnd - current base of sub-object reference. *|
|* type_idx - defined type attr. *|
|* operator - Whether to use Init_Opr or Asg_Opr. *|
|* *|
|* Output parameters: *|
|* NONE *|
|* *|
|* Returns: *|
|* NOTHING *|
|* *|
\******************************************************************************/
static void process_all_initialized_cpnts(opnd_type *left_opnd,
int type_idx,
operator_type operator)
{
int attr_idx;
expr_arg_type expr_desc;
opnd_type expr_opnd;
int init_idx;
int ir_idx;
int list_idx;
opnd_type opnd;
int sn_idx;
TRACE (Func_Entry, "process_all_initialized_cpnts", NULL);
sn_idx = ATT_FIRST_CPNT_IDX(type_idx);
while (sn_idx != NULL_IDX) {
attr_idx = SN_ATTR_IDX(sn_idx); /* A component */
if (ATD_CPNT_INIT_IDX(attr_idx) != NULL_IDX) {
NTR_IR_TBL(ir_idx);
IR_OPR(ir_idx) = Struct_Opr;
IR_TYPE_IDX(ir_idx) = ATD_TYPE_IDX(attr_idx);
IR_LINE_NUM(ir_idx) = AT_DEF_LINE(attr_idx);
IR_COL_NUM(ir_idx) = AT_DEF_COLUMN(attr_idx);
COPY_OPND(IR_OPND_L(ir_idx), (*left_opnd));
IR_FLD_R(ir_idx) = AT_Tbl_Idx;
IR_IDX_R(ir_idx) = attr_idx;
IR_LINE_NUM_R(ir_idx) = AT_DEF_LINE(attr_idx);
IR_COL_NUM_R(ir_idx) = AT_DEF_COLUMN(attr_idx);
if (IR_FLD_L(ir_idx) == IR_Tbl_Idx) {
IR_RANK(ir_idx) = IR_RANK(IR_IDX_L(ir_idx));
}
NTR_IR_TBL(init_idx);
IR_OPR(init_idx) = operator;
IR_LINE_NUM(init_idx) = AT_DEF_LINE(attr_idx);
IR_COL_NUM(init_idx) = AT_DEF_COLUMN(attr_idx);
IR_TYPE_IDX(init_idx) = TYPELESS_DEFAULT_TYPE;
IR_FLD_L(init_idx) = IR_Tbl_Idx;
IR_IDX_L(init_idx) = ir_idx;
IR_LINE_NUM_L(init_idx)= AT_DEF_LINE(attr_idx);
IR_COL_NUM_L(init_idx) = AT_DEF_COLUMN(attr_idx);
if (operator == Asg_Opr) {
if (ATD_FLD(attr_idx) == IR_Tbl_Idx) {
/* This should be an Init_Opr */
if (IR_OPR(ATD_CPNT_INIT_IDX(attr_idx)) != Init_Opr) {
PRINTMSG(AT_DEF_LINE(attr_idx), 626, Internal,
AT_DEF_COLUMN(attr_idx),
"An Init Opr",
"process_all_initialized_cpnts");
}
COPY_OPND(IR_OPND_R(init_idx),
IL_OPND(IR_IDX_R(ATD_CPNT_INIT_IDX(attr_idx))));
}
else {
IR_IDX_R(init_idx) = ATD_CPNT_INIT_IDX(attr_idx);
IR_FLD_R(init_idx) = (fld_type) ATD_FLD(attr_idx);
IR_LINE_NUM_R(init_idx) = AT_DEF_LINE(attr_idx);
IR_COL_NUM_R(init_idx) = AT_DEF_COLUMN(attr_idx);
}
if (ATD_ARRAY_IDX(attr_idx) != NULL_IDX ||
TYP_TYPE(ATD_TYPE_IDX(attr_idx)) == Character) {
xref_state = CIF_No_Usage_Rec;
expr_desc.rank = 0;
OPND_FLD(expr_opnd) = IR_Tbl_Idx;
OPND_IDX(expr_opnd) = ir_idx;;
if (expr_semantics(&expr_opnd, &expr_desc)) {
COPY_OPND(IR_OPND_L(init_idx), expr_opnd);
}
}
gen_sh(After,
Assignment_Stmt,
AT_DEF_LINE(attr_idx),
AT_DEF_COLUMN(attr_idx),
FALSE,
FALSE,
TRUE);
}
else { /* Init_Opr */
if (ATD_FLD(attr_idx) == IR_Tbl_Idx) {
/* This should be an Init_Opr */
if (IR_OPR(ATD_CPNT_INIT_IDX(attr_idx)) != Init_Opr) {
PRINTMSG(AT_DEF_LINE(attr_idx), 626, Internal,
AT_DEF_COLUMN(attr_idx),
"An Init Opr",
"process_all_initialized_cpnts");
}
IR_FLD_R(init_idx) = IL_Tbl_Idx;
IR_IDX_R(init_idx) = IR_IDX_R(ATD_CPNT_INIT_IDX(attr_idx));
IR_LIST_CNT_R(init_idx) = 3;
}
else {
NTR_IR_LIST_TBL(list_idx);
IR_FLD_R(init_idx) = IL_Tbl_Idx;
IR_IDX_R(init_idx) = list_idx;
IR_LIST_CNT_R(init_idx) = 3;
IL_IDX(list_idx) = ATD_CPNT_INIT_IDX(attr_idx);
IL_FLD(list_idx) = (fld_type) ATD_FLD(attr_idx);
IL_LINE_NUM(list_idx) = AT_DEF_LINE(attr_idx);
IL_COL_NUM(list_idx) = AT_DEF_COLUMN(attr_idx);
NTR_IR_LIST_TBL(IL_NEXT_LIST_IDX(list_idx));
IL_PREV_LIST_IDX(IL_NEXT_LIST_IDX(list_idx)) = list_idx;
list_idx = IL_NEXT_LIST_IDX(list_idx);
IL_FLD(list_idx) = CN_Tbl_Idx;
IL_IDX(list_idx) = CN_INTEGER_ONE_IDX;
IL_LINE_NUM(list_idx) = AT_DEF_LINE(attr_idx);
IL_COL_NUM(list_idx) = AT_DEF_COLUMN(attr_idx);
NTR_IR_LIST_TBL(IL_NEXT_LIST_IDX(list_idx));
IL_PREV_LIST_IDX(IL_NEXT_LIST_IDX(list_idx)) = list_idx;
list_idx = IL_NEXT_LIST_IDX(list_idx);
IL_FLD(list_idx) = CN_Tbl_Idx;
IL_IDX(list_idx) = CN_INTEGER_ZERO_IDX;
IL_LINE_NUM(list_idx) = AT_DEF_LINE(attr_idx);
IL_COL_NUM(list_idx) = AT_DEF_COLUMN(attr_idx);
}
gen_sh(After,
Type_Init_Stmt,
AT_DEF_LINE(attr_idx),
AT_DEF_COLUMN(attr_idx),
FALSE,
FALSE,
TRUE);
}
SH_P2_SKIP_ME(curr_stmt_sh_idx) = TRUE;
SH_IR_IDX(curr_stmt_sh_idx) = init_idx;
}
else if (TYP_TYPE(ATD_TYPE_IDX(attr_idx)) == Structure &&
ATT_DEFAULT_INITIALIZED(TYP_IDX(ATD_TYPE_IDX(attr_idx)))) {
NTR_IR_TBL(ir_idx);
IR_OPR(ir_idx) = Struct_Opr;
IR_TYPE_IDX(ir_idx) = ATD_TYPE_IDX(attr_idx);
IR_LINE_NUM(ir_idx) = AT_DEF_LINE(attr_idx);
IR_COL_NUM(ir_idx) = AT_DEF_COLUMN(attr_idx);
COPY_OPND(IR_OPND_L(ir_idx), (*left_opnd));
IR_FLD_R(ir_idx) = AT_Tbl_Idx;
IR_IDX_R(ir_idx) = attr_idx;
IR_LINE_NUM_R(ir_idx) = AT_DEF_LINE(attr_idx);
IR_COL_NUM_R(ir_idx) = AT_DEF_COLUMN(attr_idx);
OPND_FLD(opnd) = IR_Tbl_Idx;
OPND_IDX(opnd) = ir_idx;
if (IR_FLD_L(ir_idx) == IR_Tbl_Idx) {
IR_RANK(ir_idx) = IR_RANK(IR_IDX_L(ir_idx));
}
if (ATD_ARRAY_IDX(attr_idx) != NULL_IDX) {
gen_whole_subscript(&opnd, &expr_desc);
}
process_all_initialized_cpnts(&opnd,
TYP_IDX(ATD_TYPE_IDX(attr_idx)),
operator);
}
sn_idx = SN_SIBLING_LINK(sn_idx);
}
TRACE (Func_Exit, "process_all_initialized_cpnts", NULL);
return;
} /* process_all_initialized_cpnts */