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Add MIR_get_global_item #383

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Add MIR_get_global_item #383

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f55f0ae
Add MIR_get_global_item
iacore Nov 30, 2023
b7442cb
Add MIR_get_module_item
iacore Nov 30, 2023
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60 changes: 36 additions & 24 deletions mir.c
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Original file line number Diff line number Diff line change
Expand Up @@ -505,22 +505,26 @@ static void push_data (MIR_context_t ctx, uint8_t *els, size_t size) {
for (size_t i = 0; i < size; i++) VARR_PUSH (uint8_t, temp_data, els[i]);
}

const char *MIR_item_name (MIR_context_t ctx, MIR_item_t item) {
static const char** item_name_ptr (MIR_item_t item) {
mir_assert (item != NULL);
switch (item->item_type) {
case MIR_func_item: return item->u.func->name;
case MIR_proto_item: return item->u.proto->name;
case MIR_import_item: return item->u.import_id;
case MIR_export_item: return item->u.export_id;
case MIR_forward_item: return item->u.forward_id;
case MIR_bss_item: return item->u.bss->name;
case MIR_data_item: return item->u.data->name;
case MIR_ref_data_item: return item->u.ref_data->name;
case MIR_expr_data_item: return item->u.expr_data->name;
default: mir_assert (FALSE); return NULL;
case MIR_func_item: return &item->u.func->name;
case MIR_proto_item: return &item->u.proto->name;
case MIR_import_item: return &item->u.import_id;
case MIR_export_item: return &item->u.export_id;
case MIR_forward_item: return &item->u.forward_id;
case MIR_bss_item: return &item->u.bss->name;
case MIR_data_item: return &item->u.data->name;
case MIR_ref_data_item: return &item->u.ref_data->name;
case MIR_expr_data_item: return &item->u.expr_data->name;
default: mir_assert (FALSE);
}
}

const char *MIR_item_name (MIR_context_t ctx, MIR_item_t item) {
return *item_name_ptr(item);
}

MIR_func_t MIR_get_item_func (MIR_context_t ctx, MIR_item_t item) {
mir_assert (item != NULL);
if (item->item_type == MIR_func_item) {
Expand Down Expand Up @@ -1579,6 +1583,26 @@ static MIR_item_t load_bss_data_section (MIR_context_t ctx, MIR_item_t item, int
return last_item;
}

extern MIR_item_t MIR_get_module_item (MIR_context_t ctx, MIR_module_t module, const char *name) {
mir_assert (module != NULL);
for (MIR_item_t item = DLIST_HEAD (MIR_item_t, module->items); item != NULL;
item = DLIST_NEXT (MIR_item_t, item)) {
if (strcmp (MIR_item_name (ctx, item), name) == 0) {
return item;
}
}
return NULL;
}

MIR_item_t MIR_get_global_item (MIR_context_t ctx, const char *name) {
for (MIR_module_t module = DLIST_HEAD (MIR_module_t, *MIR_get_module_list (ctx)); module != NULL;
module = DLIST_NEXT (MIR_module_t, module)) {
MIR_item_t ret = MIR_get_module_item(ctx, module, name);
if (ret != NULL) return ret;
}
return NULL;
}

void MIR_load_module (MIR_context_t ctx, MIR_module_t m) {
mir_assert (m != NULL);
for (MIR_item_t item = DLIST_HEAD (MIR_item_t, m->items); item != NULL;
Expand Down Expand Up @@ -2392,19 +2416,7 @@ void _MIR_restore_func_insns (MIR_context_t ctx, MIR_item_t func_item) {
}

static void set_item_name (MIR_item_t item, const char *name) {
mir_assert (item != NULL);
switch (item->item_type) {
case MIR_func_item: item->u.func->name = name; break;
case MIR_proto_item: item->u.proto->name = name; break;
case MIR_import_item: item->u.import_id = name; break;
case MIR_export_item: item->u.export_id = name; break;
case MIR_forward_item: item->u.forward_id = name; break;
case MIR_bss_item: item->u.bss->name = name; break;
case MIR_data_item: item->u.data->name = name; break;
case MIR_ref_data_item: item->u.ref_data->name = name; break;
case MIR_expr_data_item: item->u.expr_data->name = name; break;
default: mir_assert (FALSE);
}
*item_name_ptr(item) = name;
}

static void change_var_names (MIR_context_t new_ctx, VARR (MIR_var_t) * vars) {
Expand Down
1 change: 1 addition & 0 deletions mir.h
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Original file line number Diff line number Diff line change
Expand Up @@ -586,6 +586,7 @@ extern void MIR_scan_string (MIR_context_t ctx, const char *str);
#endif

extern MIR_item_t MIR_get_global_item (MIR_context_t ctx, const char *name);
extern MIR_item_t MIR_get_module_item (MIR_context_t ctx, MIR_module_t module, const char *name);
extern void MIR_load_module (MIR_context_t ctx, MIR_module_t m);
extern void MIR_load_external (MIR_context_t ctx, const char *name, void *addr);
extern void MIR_link (MIR_context_t ctx, void (*set_interface) (MIR_context_t ctx, MIR_item_t item),
Expand Down