mirror of
https://github.com/ganelson/inform.git
synced 2024-07-05 16:44:21 +03:00
91 lines
2.9 KiB
OpenEdge ABL
91 lines
2.9 KiB
OpenEdge ABL
[Inter::Bookmarks::] Bookmarks.
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Write positions for inter code being generated.
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@ =
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typedef struct inter_reading_state {
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struct inter_repository *read_into;
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struct inter_package *current_package;
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int cp_indent;
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int latest_indent;
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struct inter_frame_list *in_frame_list;
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struct inter_frame_list_entry *pos;
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int pinned_to_end;
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} inter_reading_state;
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@ =
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inter_reading_state Inter::Bookmarks::new_IRS(inter_repository *I) {
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inter_reading_state IRS;
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IRS.read_into = I;
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IRS.current_package = NULL;
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IRS.cp_indent = 0;
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IRS.latest_indent = 0;
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IRS.in_frame_list = &(I->sequence);
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IRS.pos = IRS.in_frame_list->last_in_ifl;
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IRS.pinned_to_end = TRUE;
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return IRS;
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}
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inter_reading_state Inter::Bookmarks::snapshot(inter_reading_state *IRS) {
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inter_reading_state IRS2 = *IRS;
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if (IRS2.pos == NULL) internal_error("unanchored bookmark");
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IRS2.pinned_to_end = FALSE;
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return IRS2;
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}
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inter_reading_state Inter::Bookmarks::from_package(inter_package *pack) {
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inter_reading_state IRS = Inter::Bookmarks::new_IRS(pack->stored_in);
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IRS.pinned_to_end = FALSE;
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IRS.current_package = pack;
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IRS.cp_indent = Inter::Packages::baseline(pack);
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// This is too slow for more than occasional use
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for (inter_frame_list_entry *pos = IRS.in_frame_list->first_in_ifl; pos; pos = pos->next_in_ifl)
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if (pack == Inter::Packages::container(pos->listed_frame)) {
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IRS.pos = pos;
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return IRS;
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}
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LOG("Didn't nail it.");
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return IRS;
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}
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inter_reading_state Inter::Bookmarks::from_frame(inter_frame D) {
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inter_reading_state IRS = Inter::Bookmarks::new_IRS(D.repo_segment->owning_repo);
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IRS.pinned_to_end = FALSE;
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IRS.current_package = Inter::Packages::container(D);
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IRS.cp_indent = Inter::Packages::baseline(IRS.current_package);
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// This is too slow for more than occasional use
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for (inter_frame_list_entry *pos = IRS.in_frame_list->first_in_ifl; pos; pos = pos->next_in_ifl)
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if (pos->listed_frame.data == D.data) {
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IRS.pos = pos;
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return IRS;
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}
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LOG("Didn't nail it.");
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return IRS;
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}
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void Inter::Bookmarks::log(OUTPUT_STREAM, void *virs) {
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inter_reading_state *IRS = (inter_reading_state *) virs;
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if (IRS == NULL) WRITE("<null-bookmark>");
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else {
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LOG("<bookmark:");
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if (IRS->read_into) LOG("%d:", IRS->read_into->allocation_id);
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else LOG("--:");
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if (IRS->current_package == NULL) LOG("--");
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else LOG("$6", IRS->current_package);
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LOG("(%d)", IRS->cp_indent);
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int ix = 0;
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for (inter_frame_list_entry *e = IRS->in_frame_list->first_in_ifl; ((e) && (e != IRS->pos)); e = e->next_in_ifl) ix++;
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LOG(":list %08x, entry %08x = %d>", IRS->in_frame_list, IRS->pos, ix);
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}
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}
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inter_symbols_table *Inter::Bookmarks::scope(inter_reading_state *IRS) {
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if ((IRS) && (IRS->current_package)) return Inter::Packages::scope(IRS->current_package);
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return Inter::get_global_symbols(IRS->read_into);
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}
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inter_package *Inter::Bookmarks::package(inter_reading_state *IRS) {
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if ((IRS) && (IRS->current_package)) return IRS->current_package;
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return NULL;
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}
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