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https://github.com/ganelson/inform.git
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412 lines
18 KiB
OpenEdge ABL
412 lines
18 KiB
OpenEdge ABL
[Inter::Kind::] The Kind Construct.
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Defining the kind construct.
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@
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@e KIND_IST
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=
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void Inter::Kind::define(void) {
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inter_construct *IC = InterConstruct::create_construct(KIND_IST, I"kind");
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InterConstruct::specify_syntax(IC, I"kind IDENTIFIER TOKENS");
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InterConstruct::permit(IC, INSIDE_PLAIN_PACKAGE_ICUP);
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METHOD_ADD(IC, CONSTRUCT_READ_MTID, Inter::Kind::read);
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METHOD_ADD(IC, CONSTRUCT_TRANSPOSE_MTID, Inter::Kind::transpose);
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METHOD_ADD(IC, CONSTRUCT_VERIFY_MTID, Inter::Kind::verify);
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METHOD_ADD(IC, CONSTRUCT_WRITE_MTID, Inter::Kind::write);
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}
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@
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@d DEFN_KIND_IFLD 2
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@d DATA_TYPE_KIND_IFLD 3
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@d ENUM_RANGE_KIND_IFLD 4
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@d NO_INSTANCES_KIND_IFLD 5
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@d SUPER_KIND_IFLD 6
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@d PERM_LIST_KIND_IFLD 7
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@d PLIST_KIND_IFLD 8
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@d CONSTRUCTOR_KIND_IFLD 9
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@d OPERANDS_KIND_IFLD 10
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@d MIN_EXTENT_KIND_IFR 10
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@e BASE_ICON from 1
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@e LIST_ICON
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@e COLUMN_ICON
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@e FUNCTION_ICON
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@e RELATION_ICON
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@e RULE_ICON
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@e RULEBOOK_ICON
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@e STRUCT_ICON
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@e DESCRIPTION_ICON
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@d MAX_ICON_OPERANDS 128
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=
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void Inter::Kind::read(inter_construct *IC, inter_bookmark *IBM, inter_line_parse *ilp, inter_error_location *eloc, inter_error_message **E) {
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*E = InterConstruct::vet_level(IBM, KIND_IST, ilp->indent_level, eloc);
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if (*E) return;
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inter_symbol *symb = Inter::Textual::new_symbol(eloc, InterBookmark::scope(IBM), ilp->mr.exp[0], E);
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if (*E) return;
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match_results mr2 = Regexp::create_mr();
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inter_data_type *idt = NULL;
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int constructor = BASE_ICON;
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int arity = 0;
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inter_ti operands[MAX_ICON_OPERANDS];
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inter_symbol *super_kind = NULL;
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for (int i=0; i<MAX_ICON_OPERANDS; i++) operands[i] = 0;
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if (Regexp::match(&mr2, ilp->mr.exp[1], L"<= (%i+)")) {
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super_kind = Inter::Textual::find_symbol(InterBookmark::tree(IBM), eloc, InterBookmark::scope(IBM), mr2.exp[0], KIND_IST, E);
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if (*E) return;
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idt = Inter::Kind::data_type(super_kind);
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if (Inter::Types::is_enumerated(idt) == FALSE)
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{ *E = Inter::Errors::quoted(I"not a kind which can have subkinds", mr2.exp[0], eloc); return; }
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} else if (Regexp::match(&mr2, ilp->mr.exp[1], L"rulebook of (%i+)")) {
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idt = Inter::Textual::data_type(eloc, I"list", E);
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if (*E) return;
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constructor = RULEBOOK_ICON;
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inter_symbol *conts_kind = Inter::Textual::find_symbol(InterBookmark::tree(IBM), eloc, InterBookmark::scope(IBM), mr2.exp[0], KIND_IST, E);
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if (*E) return;
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operands[0] = InterSymbolsTable::id_from_symbol_at_bookmark(IBM, conts_kind); arity = 1;
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} else if (Regexp::match(&mr2, ilp->mr.exp[1], L"list of (%i+)")) {
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idt = Inter::Textual::data_type(eloc, I"list", E);
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if (*E) return;
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constructor = LIST_ICON;
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inter_symbol *conts_kind = Inter::Textual::find_symbol(InterBookmark::tree(IBM), eloc, InterBookmark::scope(IBM), mr2.exp[0], KIND_IST, E);
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if (*E) return;
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operands[0] = InterSymbolsTable::id_from_symbol_at_bookmark(IBM, conts_kind); arity = 1;
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} else if (Regexp::match(&mr2, ilp->mr.exp[1], L"relation of (%i+) to (%i+)")) {
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idt = Inter::Textual::data_type(eloc, I"relation", E);
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if (*E) return;
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constructor = RELATION_ICON;
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inter_symbol *X_kind = Inter::Textual::find_symbol(InterBookmark::tree(IBM), eloc, InterBookmark::scope(IBM), mr2.exp[0], KIND_IST, E);
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if (*E) return;
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inter_symbol *Y_kind = Inter::Textual::find_symbol(InterBookmark::tree(IBM), eloc, InterBookmark::scope(IBM), mr2.exp[1], KIND_IST, E);
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if (*E) return;
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operands[0] = InterSymbolsTable::id_from_symbol_at_bookmark(IBM, X_kind);
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operands[1] = InterSymbolsTable::id_from_symbol_at_bookmark(IBM, Y_kind);
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arity = 2;
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} else if (Regexp::match(&mr2, ilp->mr.exp[1], L"column of (%i+)")) {
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idt = Inter::Textual::data_type(eloc, I"column", E);
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if (*E) return;
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constructor = COLUMN_ICON;
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inter_symbol *conts_kind = Inter::Textual::find_symbol(InterBookmark::tree(IBM), eloc, InterBookmark::scope(IBM), mr2.exp[0], KIND_IST, E);
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if (*E) return;
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operands[0] = InterSymbolsTable::id_from_symbol_at_bookmark(IBM, conts_kind); arity = 1;
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} else if (Regexp::match(&mr2, ilp->mr.exp[1], L"description of (%i+)")) {
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idt = Inter::Textual::data_type(eloc, I"description", E);
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if (*E) return;
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constructor = DESCRIPTION_ICON;
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inter_symbol *conts_kind = Inter::Textual::find_symbol(InterBookmark::tree(IBM), eloc, InterBookmark::scope(IBM), mr2.exp[0], KIND_IST, E);
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if (*E) return;
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operands[0] = InterSymbolsTable::id_from_symbol_at_bookmark(IBM, conts_kind); arity = 1;
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} else if ((Regexp::match(&mr2, ilp->mr.exp[1], L"(function) (%c+) -> (%i+)")) ||
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(Regexp::match(&mr2, ilp->mr.exp[1], L"(rule) (%c+) -> (%i+)"))) {
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idt = Inter::Textual::data_type(eloc, I"routine", E);
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if (*E) return;
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if (Str::eq(mr2.exp[0], I"function")) constructor = FUNCTION_ICON;
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else constructor = RULE_ICON;
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text_stream *from = mr2.exp[1];
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text_stream *to = mr2.exp[2];
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if (Str::eq(from, I"void")) {
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if (arity >= MAX_ICON_OPERANDS) { *E = Inter::Errors::plain(I"too many args", eloc); return; }
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operands[arity++] = 0;
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} else {
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match_results mr3 = Regexp::create_mr();
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while (Regexp::match(&mr3, from, L" *(%i+) *(%c*)")) {
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inter_symbol *arg_kind = Inter::Textual::find_symbol(InterBookmark::tree(IBM), eloc, InterBookmark::scope(IBM), mr3.exp[0], KIND_IST, E);
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if (*E) return;
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Str::copy(from, mr3.exp[1]);
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if (arity >= MAX_ICON_OPERANDS) { *E = Inter::Errors::plain(I"too many args", eloc); return; }
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operands[arity++] = InterSymbolsTable::id_from_symbol_at_bookmark(IBM, arg_kind);
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}
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}
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if (Str::eq(to, I"void")) {
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if (arity >= MAX_ICON_OPERANDS) { *E = Inter::Errors::plain(I"too many args", eloc); return; }
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operands[arity++] = 0;
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} else {
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inter_symbol *res_kind = Inter::Textual::find_symbol(InterBookmark::tree(IBM), eloc, InterBookmark::scope(IBM), to, KIND_IST, E);
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if (*E) return;
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if (arity >= MAX_ICON_OPERANDS) { *E = Inter::Errors::plain(I"too many args", eloc); return; }
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operands[arity++] = InterSymbolsTable::id_from_symbol_at_bookmark(IBM, res_kind);
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}
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} else if (Regexp::match(&mr2, ilp->mr.exp[1], L"struct (%c+)")) {
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idt = Inter::Textual::data_type(eloc, I"struct", E);
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if (*E) return;
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constructor = STRUCT_ICON;
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text_stream *elements = mr2.exp[0];
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match_results mr3 = Regexp::create_mr();
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while (Regexp::match(&mr3, elements, L" *(%i+) *(%c*)")) {
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inter_symbol *arg_kind = Inter::Textual::find_symbol(InterBookmark::tree(IBM), eloc, InterBookmark::scope(IBM), mr3.exp[0], KIND_IST, E);
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if (*E) return;
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Str::copy(elements, mr3.exp[1]);
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if (arity >= MAX_ICON_OPERANDS) { *E = Inter::Errors::plain(I"too many args", eloc); return; }
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operands[arity++] = InterSymbolsTable::id_from_symbol_at_bookmark(IBM, arg_kind);
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}
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} else {
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idt = Inter::Textual::data_type(eloc, ilp->mr.exp[1], E);
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if (*E) return;
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}
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if (idt == NULL) internal_error("null IDT");
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*E = Inter::Kind::new(IBM, InterSymbolsTable::id_from_symbol_at_bookmark(IBM, symb), idt->type_ID,
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(super_kind)?(InterSymbolsTable::id_from_symbol_at_bookmark(IBM, super_kind)):0,
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constructor, arity, operands, (inter_ti) ilp->indent_level, eloc);
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}
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inter_error_message *Inter::Kind::new(inter_bookmark *IBM, inter_ti SID, inter_ti TID, inter_ti SUP,
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int constructor, int arity, inter_ti *operands, inter_ti level, inter_error_location *eloc) {
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inter_warehouse *warehouse = InterBookmark::warehouse(IBM);
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inter_ti L1 = InterWarehouse::create_node_list(warehouse, InterBookmark::package(IBM));
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inter_ti L2 = InterWarehouse::create_node_list(warehouse, InterBookmark::package(IBM));
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inter_tree_node *P = Inode::new_with_8_data_fields(IBM,
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KIND_IST, SID, TID, 0, 0, SUP, L1, L2,
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(inter_ti) constructor, eloc, level);
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if (arity > 0) {
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Inode::extend_instruction_by(P, (inter_ti) arity);
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for (int i=0; i<arity; i++) P->W.instruction[OPERANDS_KIND_IFLD+i] = operands[i];
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}
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inter_error_message *E = InterConstruct::verify_construct(InterBookmark::package(IBM), P); if (E) return E;
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NodePlacement::move_to_moving_bookmark(P, IBM);
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return NULL;
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}
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void Inter::Kind::transpose(inter_construct *IC, inter_tree_node *P, inter_ti *grid, inter_ti grid_extent, inter_error_message **E) {
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P->W.instruction[PERM_LIST_KIND_IFLD] = grid[P->W.instruction[PERM_LIST_KIND_IFLD]];
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P->W.instruction[PLIST_KIND_IFLD] = grid[P->W.instruction[PLIST_KIND_IFLD]];
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}
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void Inter::Kind::verify(inter_construct *IC, inter_tree_node *P, inter_package *owner, inter_error_message **E) {
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if (P->W.extent < MIN_EXTENT_KIND_IFR) { *E = Inode::error(P, I"extent wrong", NULL); return; }
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*E = Inter::Verify::defn(owner, P, DEFN_KIND_IFLD); if (*E) return;
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*E = Inter::Verify::data_type(P, DATA_TYPE_KIND_IFLD); if (*E) return;
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if (P->W.instruction[ENUM_RANGE_KIND_IFLD] != 0) {
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inter_symbol *the_kind = InterSymbolsTable::symbol_from_ID(InterPackage::scope(owner), P->W.instruction[DEFN_KIND_IFLD]);
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if ((the_kind == NULL) ||
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(Inter::Types::is_enumerated(Inter::Types::find_by_ID(P->W.instruction[DATA_TYPE_KIND_IFLD])) == FALSE))
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{ *E = Inode::error(P, I"spurious extent in non-enumeration", NULL); return; }
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}
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if (P->W.instruction[SUPER_KIND_IFLD] != 0) {
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*E = Inter::Verify::symbol(owner, P, P->W.instruction[SUPER_KIND_IFLD], KIND_IST); if (*E) return;
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inter_symbol *super_kind = InterSymbolsTable::symbol_from_ID(InterPackage::scope(owner), P->W.instruction[SUPER_KIND_IFLD]);
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if (Inter::Types::is_enumerated(Inter::Kind::data_type(super_kind)) == FALSE)
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{ *E = Inode::error(P, I"subkind of nonenumerated kind", NULL); return; }
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}
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int arity = P->W.extent - MIN_EXTENT_KIND_IFR;
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switch (P->W.instruction[CONSTRUCTOR_KIND_IFLD]) {
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case BASE_ICON: if (arity != 0) { *E = Inode::error(P, I"spurious kc operand", NULL); return; }
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break;
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case LIST_ICON:
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case RULEBOOK_ICON:
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if (arity != 1) { *E = Inode::error(P, I"wrong list arity", NULL); return; }
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if (P->W.instruction[OPERANDS_KIND_IFLD] == 0) { *E = Inode::error(P, I"no listed kind", NULL); return; }
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*E = Inter::Verify::symbol(owner, P, P->W.instruction[OPERANDS_KIND_IFLD], KIND_IST); if (*E) return;
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break;
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case COLUMN_ICON: if (arity != 1) { *E = Inode::error(P, I"wrong col arity", NULL); return; }
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if (P->W.instruction[OPERANDS_KIND_IFLD] == 0) { *E = Inode::error(P, I"no listed kind", NULL); return; }
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*E = Inter::Verify::symbol(owner, P, P->W.instruction[OPERANDS_KIND_IFLD], KIND_IST); if (*E) return;
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break;
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case DESCRIPTION_ICON: if (arity != 1) { *E = Inode::error(P, I"wrong desc arity", NULL); return; }
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if (P->W.instruction[OPERANDS_KIND_IFLD] == 0) { *E = Inode::error(P, I"no listed kind", NULL); return; }
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*E = Inter::Verify::symbol(owner, P, P->W.instruction[OPERANDS_KIND_IFLD], KIND_IST); if (*E) return;
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break;
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case RELATION_ICON: if (arity != 2) { *E = Inode::error(P, I"wrong relation arity", NULL); return; }
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if (P->W.instruction[OPERANDS_KIND_IFLD] == 0) { *E = Inode::error(P, I"no listed kind", NULL); return; }
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*E = Inter::Verify::symbol(owner, P, P->W.instruction[OPERANDS_KIND_IFLD], KIND_IST); if (*E) return;
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if (P->W.instruction[OPERANDS_KIND_IFLD+1] == 0) { *E = Inode::error(P, I"no listed kind", NULL); return; }
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*E = Inter::Verify::symbol(owner, P, P->W.instruction[OPERANDS_KIND_IFLD+1], KIND_IST); if (*E) return;
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break;
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case FUNCTION_ICON:
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case RULE_ICON:
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if (arity < 2) { *E = Inode::error(P, I"function arity too low", NULL); return; }
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for (int i=0; i<arity; i++) {
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if (P->W.instruction[OPERANDS_KIND_IFLD + i] == 0) {
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if (!(((i == 0) && (arity == 2)) || (i == arity - 1)))
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{ *E = Inode::error(P, I"no listed kind", NULL); return; }
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} else {
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*E = Inter::Verify::symbol(owner, P, P->W.instruction[OPERANDS_KIND_IFLD + i], KIND_IST);
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if (*E) return;
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}
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}
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break;
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case STRUCT_ICON:
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if (arity == 0) { *E = Inode::error(P, I"struct arity too low", NULL); return; }
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for (int i=0; i<arity; i++) {
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*E = Inter::Verify::symbol(owner, P, P->W.instruction[OPERANDS_KIND_IFLD + i], KIND_IST);
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if (*E) return;
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}
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break;
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default: { *E = Inode::error(P, I"unknown constructor", NULL); return; }
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}
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}
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inter_ti Inter::Kind::permissions_list(inter_symbol *kind_symbol) {
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if (kind_symbol == NULL) return 0;
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inter_tree_node *D = InterSymbol::definition(kind_symbol);
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if (D == NULL) return 0;
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return D->W.instruction[PERM_LIST_KIND_IFLD];
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}
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inter_ti Inter::Kind::properties_list(inter_symbol *inst_name) {
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if (inst_name == NULL) return 0;
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inter_tree_node *D = InterSymbol::definition(inst_name);
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if (D == NULL) return 0;
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return D->W.instruction[PLIST_KIND_IFLD];
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}
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void Inter::Kind::write(inter_construct *IC, OUTPUT_STREAM, inter_tree_node *P, inter_error_message **E) {
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inter_symbol *symb = InterSymbolsTable::symbol_from_ID_at_node(P, DEFN_KIND_IFLD);
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inter_data_type *idt = Inter::Types::find_by_ID(P->W.instruction[DATA_TYPE_KIND_IFLD]);
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if ((symb) && (idt)) {
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WRITE("kind %S ", symb->symbol_name);
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if (P->W.instruction[SUPER_KIND_IFLD]) {
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inter_symbol *super = InterSymbolsTable::symbol_from_ID_at_node(P, SUPER_KIND_IFLD);
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WRITE("<= %S", super->symbol_name);
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} else {
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switch (P->W.instruction[CONSTRUCTOR_KIND_IFLD]) {
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case BASE_ICON: WRITE("%S", idt->reserved_word); break;
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case LIST_ICON: {
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inter_symbol *conts_kind = InterSymbolsTable::symbol_from_ID_at_node(P, OPERANDS_KIND_IFLD);
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WRITE("list of %S", conts_kind->symbol_name);
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break;
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}
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case RULEBOOK_ICON: {
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inter_symbol *conts_kind = InterSymbolsTable::symbol_from_ID_at_node(P, OPERANDS_KIND_IFLD);
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WRITE("rulebook of %S", conts_kind->symbol_name);
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break;
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}
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case COLUMN_ICON: {
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inter_symbol *conts_kind = InterSymbolsTable::symbol_from_ID_at_node(P, OPERANDS_KIND_IFLD);
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WRITE("column of %S", conts_kind->symbol_name);
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break;
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}
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case DESCRIPTION_ICON: {
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inter_symbol *conts_kind = InterSymbolsTable::symbol_from_ID_at_node(P, OPERANDS_KIND_IFLD);
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WRITE("description of %S", conts_kind->symbol_name);
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break;
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}
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case RELATION_ICON: {
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inter_symbol *X_kind = InterSymbolsTable::symbol_from_ID_at_node(P, OPERANDS_KIND_IFLD);
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inter_symbol *Y_kind = InterSymbolsTable::symbol_from_ID_at_node(P, OPERANDS_KIND_IFLD+1);
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WRITE("relation of %S to %S", X_kind->symbol_name, Y_kind->symbol_name);
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break;
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}
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case FUNCTION_ICON:
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case RULE_ICON: {
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if (P->W.instruction[CONSTRUCTOR_KIND_IFLD] == FUNCTION_ICON)
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WRITE("function");
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else
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WRITE("rule");
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int arity = P->W.extent - MIN_EXTENT_KIND_IFR;
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for (int i=0; i<arity; i++) {
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WRITE(" ");
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if (i == arity - 1) WRITE("-> ");
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if (P->W.instruction[OPERANDS_KIND_IFLD + i] == 0) {
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WRITE("void");
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} else {
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inter_symbol *K = InterSymbolsTable::symbol_from_ID_at_node(P, OPERANDS_KIND_IFLD + i);
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WRITE("%S", K->symbol_name);
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}
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}
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break;
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}
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case STRUCT_ICON: {
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WRITE("struct");
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int arity = P->W.extent - MIN_EXTENT_KIND_IFR;
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for (int i=0; i<arity; i++) {
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inter_symbol *K = InterSymbolsTable::symbol_from_ID_at_node(P, OPERANDS_KIND_IFLD + i);
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WRITE(" %S", K->symbol_name);
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}
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break;
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}
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default: { *E = Inode::error(P, I"cannot write kind", NULL); return; }
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break;
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}
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}
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} else { *E = Inode::error(P, I"cannot write kind", NULL); return; }
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SymbolAnnotation::write_annotations(OUT, P, symb);
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}
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void Inter::Kind::new_instance(inter_symbol *kind_symbol, inter_symbol *inst_name) {
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if (kind_symbol == NULL) return;
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inter_tree_node *D = InterSymbol::definition(kind_symbol);
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if (D == NULL) return;
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D->W.instruction[NO_INSTANCES_KIND_IFLD]++;
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inter_symbol *S = Inter::Kind::super(kind_symbol);
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|
if (S) Inter::Kind::new_instance(S, inst_name);
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|
}
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|
|
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int Inter::Kind::instance_count(inter_symbol *kind_symbol) {
|
|
if (kind_symbol == NULL) return 0;
|
|
inter_tree_node *D = InterSymbol::definition(kind_symbol);
|
|
if (D == NULL) return 0;
|
|
return (int) D->W.instruction[NO_INSTANCES_KIND_IFLD];
|
|
}
|
|
|
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int Inter::Kind::constructor(inter_symbol *kind_symbol) {
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|
if (kind_symbol == NULL) return 0;
|
|
inter_tree_node *D = InterSymbol::definition(kind_symbol);
|
|
if (D == NULL) return 0;
|
|
return (int) D->W.instruction[CONSTRUCTOR_KIND_IFLD];
|
|
}
|
|
|
|
int Inter::Kind::arity(inter_symbol *kind_symbol) {
|
|
if (kind_symbol == NULL) return 0;
|
|
inter_tree_node *D = InterSymbol::definition(kind_symbol);
|
|
if (D == NULL) return 0;
|
|
return D->W.extent - MIN_EXTENT_KIND_IFR;
|
|
}
|
|
|
|
inter_symbol *Inter::Kind::operand_symbol(inter_symbol *kind_symbol, int i) {
|
|
if (kind_symbol == NULL) return NULL;
|
|
inter_tree_node *D = InterSymbol::definition(kind_symbol);
|
|
if (D == NULL) return NULL;
|
|
if (i >= D->W.extent - MIN_EXTENT_KIND_IFR) return NULL;
|
|
inter_ti CID = D->W.instruction[OPERANDS_KIND_IFLD + i];
|
|
inter_symbols_table *T = InterPackage::scope_of(D);
|
|
return InterSymbolsTable::symbol_from_ID(T, CID);
|
|
}
|
|
|
|
inter_data_type *Inter::Kind::data_type(inter_symbol *kind_symbol) {
|
|
if (kind_symbol == NULL) return NULL;
|
|
inter_tree_node *D = InterSymbol::definition(kind_symbol);
|
|
if (D == NULL) return NULL;
|
|
return Inter::Types::find_by_ID(D->W.instruction[DATA_TYPE_KIND_IFLD]);
|
|
}
|
|
|
|
inter_ti Inter::Kind::next_enumerated_value(inter_symbol *kind_symbol) {
|
|
if (kind_symbol == NULL) return 0;
|
|
inter_tree_node *D = InterSymbol::definition(kind_symbol);
|
|
if (D == NULL) return 0;
|
|
return ++(D->W.instruction[ENUM_RANGE_KIND_IFLD]);
|
|
}
|
|
|
|
inter_symbol *Inter::Kind::super(inter_symbol *kind_symbol) {
|
|
if (kind_symbol == NULL) return NULL;
|
|
inter_tree_node *D = InterSymbol::definition(kind_symbol);
|
|
if (D == NULL) return NULL;
|
|
return InterSymbolsTable::symbol_from_ID_at_node(D, SUPER_KIND_IFLD);
|
|
}
|
|
|
|
int Inter::Kind::is(inter_symbol *kind_symbol) {
|
|
if (kind_symbol == NULL) return FALSE;
|
|
inter_tree_node *D = InterSymbol::definition(kind_symbol);
|
|
if (D == NULL) return FALSE;
|
|
if (D->W.instruction[ID_IFLD] == KIND_IST) return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
int Inter::Kind::is_a(inter_symbol *K1, inter_symbol *K2) {
|
|
inter_data_type *idt1 = Inter::Kind::data_type(K1);
|
|
inter_data_type *idt2 = Inter::Kind::data_type(K2);
|
|
if ((idt1 == unchecked_idt) || (idt2 == unchecked_idt)) return TRUE;
|
|
while (K1) {
|
|
if (K1 == K2) return TRUE;
|
|
K1 = Inter::Kind::super(K1);
|
|
}
|
|
return FALSE;
|
|
}
|