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567 lines
24 KiB
OpenEdge ABL
567 lines
24 KiB
OpenEdge ABL
[Inter::Constant::] The Constant Construct.
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Defining the constant construct.
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@
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@e CONSTANT_IST
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=
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void Inter::Constant::define(void) {
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inter_construct *IC = Inter::Defn::create_construct(
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CONSTANT_IST,
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L"constant (%C+) (%i+) = (%c+)",
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I"constant", I"constants");
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METHOD_ADD(IC, CONSTRUCT_READ_MTID, Inter::Constant::read);
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METHOD_ADD(IC, CONSTRUCT_TRANSPOSE_MTID, Inter::Constant::transpose);
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METHOD_ADD(IC, CONSTRUCT_VERIFY_MTID, Inter::Constant::verify);
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METHOD_ADD(IC, CONSTRUCT_WRITE_MTID, Inter::Constant::write);
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}
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@
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@d DEFN_CONST_IFLD 2
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@d KIND_CONST_IFLD 3
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@d FORMAT_CONST_IFLD 4
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@d DATA_CONST_IFLD 5
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@d CONSTANT_DIRECT 0
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@d CONSTANT_INDIRECT_LIST 1
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@d CONSTANT_SUM_LIST 2
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@d CONSTANT_PRODUCT_LIST 3
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@d CONSTANT_DIFFERENCE_LIST 4
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@d CONSTANT_QUOTIENT_LIST 5
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@d CONSTANT_INDIRECT_TEXT 6
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@d CONSTANT_ROUTINE 7
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@d CONSTANT_STRUCT 8
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=
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void Inter::Constant::read(inter_construct *IC, inter_bookmark *IBM, inter_line_parse *ilp, inter_error_location *eloc, inter_error_message **E) {
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*E = Inter::Defn::vet_level(IBM, CONSTANT_IST, ilp->indent_level, eloc);
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if (*E) return;
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inter_symbol *con_name = Inter::Textual::new_symbol(eloc, InterBookmark::scope(IBM), ilp->mr.exp[0], E);
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if (*E) return;
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Inter::Annotations::copy_set_to_symbol(&(ilp->set), con_name);
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inter_symbol *con_kind = Inter::Textual::find_symbol(InterBookmark::tree(IBM), eloc, InterBookmark::scope(IBM), ilp->mr.exp[1], KIND_IST, E);
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if (*E) return;
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text_stream *S = ilp->mr.exp[2];
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inter_data_type *idt = Inter::Kind::data_type(con_kind);
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match_results mr2 = Regexp::create_mr();
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inter_ti op = 0;
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if (Regexp::match(&mr2, S, L"sum{ (%c*) }")) op = CONSTANT_SUM_LIST;
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else if (Regexp::match(&mr2, S, L"product{ (%c*) }")) op = CONSTANT_PRODUCT_LIST;
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else if (Regexp::match(&mr2, S, L"difference{ (%c*) }")) op = CONSTANT_DIFFERENCE_LIST;
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else if (Regexp::match(&mr2, S, L"quotient{ (%c*) }")) op = CONSTANT_QUOTIENT_LIST;
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if (op != 0) {
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inter_tree_node *P =
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Inode::new_with_3_data_fields(IBM, CONSTANT_IST, InterSymbolsTable::id_from_symbol_at_bookmark(IBM, con_name), InterSymbolsTable::id_from_symbol_at_bookmark(IBM, con_kind), op, eloc, (inter_ti) ilp->indent_level);
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*E = Inter::Defn::verify_construct(InterBookmark::package(IBM), P);
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if (*E) return;
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text_stream *conts = mr2.exp[0];
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match_results mr3 = Regexp::create_mr();
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while (Regexp::match(&mr3, conts, L"(%c*?), (%c+)")) {
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if (Inter::Constant::append(ilp->line, eloc, IBM, con_kind, P, mr3.exp[0], E) == FALSE)
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return;
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Str::copy(conts, mr3.exp[1]);
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}
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if (Regexp::match(&mr3, conts, L" *(%c*?) *")) {
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if (Inter::Constant::append(ilp->line, eloc, IBM, con_kind, P, mr3.exp[0], E) == FALSE)
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return;
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}
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NodePlacement::move_to_moving_bookmark(P, IBM);
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return;
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}
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if ((idt) && ((idt->type_ID == LIST_IDT) || (idt->type_ID == COLUMN_IDT))) {
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inter_symbol *conts_kind = Inter::Kind::operand_symbol(con_kind, 0);
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if (conts_kind) {
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match_results mr2 = Regexp::create_mr();
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inter_ti form = 0;
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if (Regexp::match(&mr2, S, L"{ (%c*) }")) form = CONSTANT_INDIRECT_LIST;
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else if (Regexp::match(&mr2, S, L"sum{ (%c*) }")) form = CONSTANT_SUM_LIST;
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else if (Regexp::match(&mr2, S, L"product{ (%c*) }")) form = CONSTANT_PRODUCT_LIST;
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else if (Regexp::match(&mr2, S, L"difference{ (%c*) }")) form = CONSTANT_DIFFERENCE_LIST;
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else if (Regexp::match(&mr2, S, L"quotient{ (%c*) }")) form = CONSTANT_QUOTIENT_LIST;
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if (form != 0) {
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inter_tree_node *P =
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Inode::new_with_3_data_fields(IBM, CONSTANT_IST, InterSymbolsTable::id_from_symbol_at_bookmark(IBM, con_name), InterSymbolsTable::id_from_symbol_at_bookmark(IBM, con_kind), form, eloc, (inter_ti) ilp->indent_level);
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*E = Inter::Defn::verify_construct(InterBookmark::package(IBM), P);
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if (*E) return;
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text_stream *conts = mr2.exp[0];
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match_results mr3 = Regexp::create_mr();
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while (Regexp::match(&mr3, conts, L"(%c*?), (%c+)")) {
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if (Inter::Constant::append(ilp->line, eloc, IBM, conts_kind, P, mr3.exp[0], E) == FALSE)
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return;
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Str::copy(conts, mr3.exp[1]);
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}
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if (Regexp::match(&mr3, conts, L" *(%c*?) *")) {
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if (Inter::Constant::append(ilp->line, eloc, IBM, conts_kind, P, mr3.exp[0], E) == FALSE)
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return;
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}
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NodePlacement::move_to_moving_bookmark(P, IBM);
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return;
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}
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}
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}
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if ((idt) && (idt->type_ID == STRUCT_IDT)) {
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match_results mr2 = Regexp::create_mr();
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if (Regexp::match(&mr2, S, L"{ (%c*) }")) {
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inter_tree_node *P =
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Inode::new_with_3_data_fields(IBM, CONSTANT_IST, InterSymbolsTable::id_from_symbol_at_bookmark(IBM, con_name), InterSymbolsTable::id_from_symbol_at_bookmark(IBM, con_kind), CONSTANT_STRUCT, eloc, (inter_ti) ilp->indent_level);
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int arity = Inter::Kind::arity(con_kind);
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int counter = 0;
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text_stream *conts = mr2.exp[0];
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match_results mr3 = Regexp::create_mr();
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while (Regexp::match(&mr3, conts, L"(%c*?), (%c+)")) {
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inter_symbol *conts_kind = Inter::Kind::operand_symbol(con_kind, counter++);
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if (Inter::Constant::append(ilp->line, eloc, IBM, conts_kind, P, mr3.exp[0], E) == FALSE)
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return;
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Str::copy(conts, mr3.exp[1]);
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}
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if (Regexp::match(&mr3, conts, L" *(%c*?) *")) {
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inter_symbol *conts_kind = Inter::Kind::operand_symbol(con_kind, counter++);
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if (Inter::Constant::append(ilp->line, eloc, IBM, conts_kind, P, mr3.exp[0], E) == FALSE)
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return;
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}
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if (counter != arity)
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{ *E = Inter::Errors::quoted(I"wrong size", S, eloc); return; }
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*E = Inter::Defn::verify_construct(InterBookmark::package(IBM), P); if (*E) return;
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NodePlacement::move_to_moving_bookmark(P, IBM);
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return;
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}
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}
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if ((idt) && (idt->type_ID == TABLE_IDT)) {
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match_results mr2 = Regexp::create_mr();
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if (Regexp::match(&mr2, S, L"{ (%c*) }")) {
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inter_tree_node *P =
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Inode::new_with_3_data_fields(IBM, CONSTANT_IST, InterSymbolsTable::id_from_symbol_at_bookmark(IBM, con_name), InterSymbolsTable::id_from_symbol_at_bookmark(IBM, con_kind), CONSTANT_INDIRECT_LIST, eloc, (inter_ti) ilp->indent_level);
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*E = Inter::Defn::verify_construct(InterBookmark::package(IBM), P);
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if (*E) return;
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text_stream *conts = mr2.exp[0];
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match_results mr3 = Regexp::create_mr();
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while (Regexp::match(&mr3, conts, L"(%c*?), (%c+)")) {
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if (Inter::Constant::append(ilp->line, eloc, IBM, NULL, P, mr3.exp[0], E) == FALSE)
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return;
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Str::copy(conts, mr3.exp[1]);
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}
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if (Regexp::match(&mr3, conts, L" *(%c*?) *")) {
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if (Inter::Constant::append(ilp->line, eloc, IBM, NULL, P, mr3.exp[0], E) == FALSE)
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return;
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}
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NodePlacement::move_to_moving_bookmark(P, IBM);
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return;
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}
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}
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if ((idt) && (idt->type_ID == TEXT_IDT)) {
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if ((Str::begins_with_wide_string(S, L"\"")) && (Str::ends_with_wide_string(S, L"\""))) {
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TEMPORARY_TEXT(parsed_text)
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*E = Inter::Constant::parse_text(parsed_text, S, 1, Str::len(S)-2, eloc);
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inter_ti ID = 0;
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if (*E == NULL) {
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ID = InterWarehouse::create_text(InterBookmark::warehouse(IBM), InterBookmark::package(IBM));
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Str::copy(InterWarehouse::get_text(InterBookmark::warehouse(IBM), ID), parsed_text);
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}
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DISCARD_TEXT(parsed_text)
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if (*E) return;
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*E = Inter::Constant::new_textual(IBM, InterSymbolsTable::id_from_symbol_at_bookmark(IBM, con_name), InterSymbolsTable::id_from_symbol_at_bookmark(IBM, con_kind), ID, (inter_ti) ilp->indent_level, eloc);
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return;
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}
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}
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if ((idt) && (idt->type_ID == ROUTINE_IDT)) {
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inter_package *block = InterPackage::from_name(InterBookmark::package(IBM), S);
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if (block == NULL) {
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*E = Inter::Errors::quoted(I"no such code block", S, eloc); return;
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}
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*E = Inter::Constant::new_function(IBM, InterSymbolsTable::id_from_symbol_at_bookmark(IBM, con_name), InterSymbolsTable::id_from_symbol_at_bookmark(IBM, con_kind), block, (inter_ti) ilp->indent_level, eloc);
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return;
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}
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inter_ti con_val1 = 0;
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inter_ti con_val2 = 0;
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if (Str::eq(S, I"0")) { con_val1 = LITERAL_IVAL; con_val2 = 0; }
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else {
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*E = Inter::Types::read(ilp->line, eloc, InterBookmark::tree(IBM), InterBookmark::package(IBM), con_kind, S, &con_val1, &con_val2, InterBookmark::scope(IBM));
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if (*E) return;
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}
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*E = Inter::Constant::new_numerical(IBM, InterSymbolsTable::id_from_symbol_at_bookmark(IBM, con_name), InterSymbolsTable::id_from_symbol_at_bookmark(IBM, con_kind), con_val1, con_val2, (inter_ti) ilp->indent_level, eloc);
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}
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inter_error_message *Inter::Constant::parse_text(text_stream *parsed_text, text_stream *S, int from, int to, inter_error_location *eloc) {
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inter_error_message *E = NULL;
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int literal_mode = FALSE;
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LOOP_THROUGH_TEXT(pos, S) {
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if ((pos.index < from) || (pos.index > to)) continue;
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int c = (int) Str::get(pos);
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if (literal_mode == FALSE) {
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if (c == '\\') { literal_mode = TRUE; continue; }
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} else {
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switch (c) {
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case '\\': break;
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case '"': break;
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case 't': c = 9; break;
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case 'n': c = 10; break;
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default: E = Inter::Errors::plain(I"no such backslash escape", eloc); break;
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}
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}
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if (Inter::Constant::char_acceptable(c) == FALSE) E = Inter::Errors::quoted(I"bad character in text", S, eloc);
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PUT_TO(parsed_text, c);
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literal_mode = FALSE;
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}
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if (E) Str::clear(parsed_text);
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return E;
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}
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void Inter::Constant::write_text(OUTPUT_STREAM, text_stream *S) {
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LOOP_THROUGH_TEXT(P, S) {
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wchar_t c = Str::get(P);
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if (c == 9) { WRITE("\\t"); continue; }
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if (c == 10) { WRITE("\\n"); continue; }
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if (c == '"') { WRITE("\\\""); continue; }
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if (c == '\\') { WRITE("\\\\"); continue; }
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PUT(c);
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}
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}
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inter_error_message *Inter::Constant::new_numerical(inter_bookmark *IBM, inter_ti SID, inter_ti KID, inter_ti val1, inter_ti val2, inter_ti level, inter_error_location *eloc) {
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inter_tree_node *P = Inode::new_with_5_data_fields(IBM,
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CONSTANT_IST, SID, KID, CONSTANT_DIRECT, val1, val2, eloc, level);
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inter_error_message *E = Inter::Defn::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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inter_error_message *Inter::Constant::new_textual(inter_bookmark *IBM, inter_ti SID, inter_ti KID, inter_ti TID, inter_ti level, inter_error_location *eloc) {
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inter_tree_node *P = Inode::new_with_4_data_fields(IBM,
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CONSTANT_IST, SID, KID, CONSTANT_INDIRECT_TEXT, TID, eloc, level);
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inter_error_message *E = Inter::Defn::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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inter_error_message *Inter::Constant::new_function(inter_bookmark *IBM, inter_ti SID, inter_ti KID, inter_package *block, inter_ti level, inter_error_location *eloc) {
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inter_ti BID = block->resource_ID;
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inter_tree_node *P = Inode::new_with_4_data_fields(IBM,
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CONSTANT_IST, SID, KID, CONSTANT_ROUTINE, BID, eloc, level);
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inter_error_message *E = Inter::Defn::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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inter_error_message *Inter::Constant::new_list(inter_bookmark *IBM, inter_ti SID, inter_ti KID,
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int no_pairs, inter_ti *v1_pile, inter_ti *v2_pile, inter_ti level, inter_error_location *eloc) {
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inter_tree_node *AP = Inode::new_with_3_data_fields(IBM, CONSTANT_IST, SID, KID, CONSTANT_INDIRECT_LIST, eloc, level);
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int pos = AP->W.extent;
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Inode::extend_instruction_by(AP, (inter_ti) (2*no_pairs));
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for (int i=0; i<no_pairs; i++) {
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AP->W.instruction[pos++] = v1_pile[i];
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AP->W.instruction[pos++] = v2_pile[i];
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}
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inter_error_message *E = Inter::Defn::verify_construct(InterBookmark::package(IBM), AP); if (E) return E;
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NodePlacement::move_to_moving_bookmark(AP, IBM);
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return NULL;
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}
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int Inter::Constant::append(text_stream *line, inter_error_location *eloc, inter_bookmark *IBM, inter_symbol *conts_kind, inter_tree_node *P, text_stream *S, inter_error_message **E) {
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*E = NULL;
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inter_ti con_val1 = 0;
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inter_ti con_val2 = 0;
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if (conts_kind == NULL) {
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inter_symbol *tc = Inter::Textual::find_symbol(InterBookmark::tree(IBM), eloc, InterBookmark::scope(IBM), S, CONSTANT_IST, E);
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if (*E) return FALSE;
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if (Inter::Kind::constructor(Inter::Constant::kind_of(tc)) == COLUMN_ICON) {
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InterSymbol::to_data(InterBookmark::tree(IBM), InterBookmark::package(IBM), tc, &con_val1, &con_val2);
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} else {
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*E = Inter::Errors::quoted(I"not a table column constant", S, eloc);
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return FALSE;
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}
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} else {
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*E = Inter::Types::read(line, eloc, InterBookmark::tree(IBM), InterBookmark::package(IBM), conts_kind, S, &con_val1, &con_val2, InterBookmark::scope(IBM));
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if (*E) return FALSE;
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}
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Inode::extend_instruction_by(P, 2);
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P->W.instruction[P->W.extent-2] = con_val1;
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P->W.instruction[P->W.extent-1] = con_val2;
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return TRUE;
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}
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void Inter::Constant::transpose(inter_construct *IC, inter_tree_node *P, inter_ti *grid, inter_ti grid_extent, inter_error_message **E) {
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if (P->W.instruction[FORMAT_CONST_IFLD] == CONSTANT_ROUTINE)
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P->W.instruction[DATA_CONST_IFLD] = grid[P->W.instruction[DATA_CONST_IFLD]];
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switch (P->W.instruction[FORMAT_CONST_IFLD]) {
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case CONSTANT_DIRECT:
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P->W.instruction[DATA_CONST_IFLD+1] = Inter::Types::transpose_value(P->W.instruction[DATA_CONST_IFLD], P->W.instruction[DATA_CONST_IFLD+1], grid, grid_extent, E);
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break;
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case CONSTANT_INDIRECT_TEXT:
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P->W.instruction[DATA_CONST_IFLD] = grid[P->W.instruction[DATA_CONST_IFLD]];
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break;
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case CONSTANT_SUM_LIST:
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case CONSTANT_PRODUCT_LIST:
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case CONSTANT_DIFFERENCE_LIST:
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case CONSTANT_QUOTIENT_LIST:
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case CONSTANT_INDIRECT_LIST:
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case CONSTANT_STRUCT:
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for (int i=DATA_CONST_IFLD; i<P->W.extent; i=i+2) {
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P->W.instruction[i+1] = Inter::Types::transpose_value(P->W.instruction[i], P->W.instruction[i+1], grid, grid_extent, E);
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}
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break;
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}
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}
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void Inter::Constant::verify(inter_construct *IC, inter_tree_node *P, inter_package *owner, inter_error_message **E) {
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*E = Inter::Verify::defn(owner, P, DEFN_CONST_IFLD); if (*E) return;
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*E = Inter::Verify::symbol(owner, P, P->W.instruction[KIND_CONST_IFLD], KIND_IST); if (*E) return;
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inter_symbol *con_kind = InterSymbolsTable::symbol_from_ID(InterPackage::scope(owner), P->W.instruction[KIND_CONST_IFLD]);
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switch (P->W.instruction[FORMAT_CONST_IFLD]) {
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case CONSTANT_DIRECT:
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if (P->W.extent != DATA_CONST_IFLD + 2) { *E = Inode::error(P, I"extent wrong", NULL); return; }
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*E = Inter::Verify::value(owner, P, DATA_CONST_IFLD, con_kind); if (*E) return;
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break;
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case CONSTANT_SUM_LIST:
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case CONSTANT_PRODUCT_LIST:
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case CONSTANT_DIFFERENCE_LIST:
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case CONSTANT_QUOTIENT_LIST:
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if ((P->W.extent % 2) != 1) { *E = Inode::error(P, I"extent wrong", NULL); return; }
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for (int i=DATA_CONST_IFLD; i<P->W.extent; i=i+2) {
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*E = Inter::Verify::value(owner, P, i, con_kind); if (*E) return;
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}
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break;
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case CONSTANT_INDIRECT_LIST: {
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if ((P->W.extent % 2) != 1) { *E = Inode::error(P, I"extent wrong", NULL); return; }
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inter_data_type *idt = Inter::Kind::data_type(con_kind);
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if ((idt) && ((idt->type_ID == LIST_IDT) || (idt->type_ID == COLUMN_IDT))) {
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inter_symbol *conts_kind = Inter::Kind::operand_symbol(con_kind, 0);
|
|
if (Inter::Kind::is(conts_kind) == FALSE) { *E = Inode::error(P, I"not a kind", (conts_kind)?(conts_kind->symbol_name):NULL); return; }
|
|
for (int i=DATA_CONST_IFLD; i<P->W.extent; i=i+2) {
|
|
*E = Inter::Verify::value(owner, P, i, conts_kind); if (*E) return;
|
|
}
|
|
} else if ((idt) && (idt->type_ID == TABLE_IDT)) {
|
|
for (int i=DATA_CONST_IFLD; i<P->W.extent; i=i+2) {
|
|
inter_ti V1 = P->W.instruction[i];
|
|
inter_ti V2 = P->W.instruction[i+1];
|
|
inter_symbol *K = Inter::Types::value_to_constant_symbol_kind(InterPackage::scope(owner), V1, V2);
|
|
if (Inter::Kind::constructor(K) != COLUMN_ICON) { *E = Inode::error(P, I"not a table column constant", NULL); return; }
|
|
}
|
|
} else {
|
|
{ *E = Inode::error(P, I"not a list", con_kind->symbol_name); return; }
|
|
}
|
|
break;
|
|
}
|
|
case CONSTANT_STRUCT: {
|
|
if ((P->W.extent % 2) != 1) { *E = Inode::error(P, I"extent odd", NULL); return; }
|
|
inter_data_type *idt = Inter::Kind::data_type(con_kind);
|
|
if ((idt) && (idt->type_ID == STRUCT_IDT)) {
|
|
int arity = Inter::Kind::arity(con_kind);
|
|
int given = (P->W.extent - DATA_CONST_IFLD)/2;
|
|
if (arity != given) { *E = Inode::error(P, I"extent not same size as struct definition", NULL); return; }
|
|
for (int i=DATA_CONST_IFLD, counter = 0; i<P->W.extent; i=i+2) {
|
|
inter_symbol *conts_kind = Inter::Kind::operand_symbol(con_kind, counter++);
|
|
if (Inter::Kind::is(conts_kind) == FALSE) { *E = Inode::error(P, I"not a kind", (conts_kind)?(conts_kind->symbol_name):NULL); return; }
|
|
*E = Inter::Verify::value(owner, P, i, conts_kind); if (*E) return;
|
|
}
|
|
} else {
|
|
{ *E = Inode::error(P, I"not a struct", NULL); return; }
|
|
}
|
|
break;
|
|
}
|
|
case CONSTANT_INDIRECT_TEXT:
|
|
if (P->W.extent != DATA_CONST_IFLD + 1) { *E = Inode::error(P, I"extent wrong", NULL); return; }
|
|
inter_ti ID = P->W.instruction[DATA_CONST_IFLD];
|
|
text_stream *S = Inode::ID_to_text(P, ID);
|
|
if (S == NULL) { *E = Inode::error(P, I"no text in comment", NULL); return; }
|
|
LOOP_THROUGH_TEXT(pos, S)
|
|
if (Inter::Constant::char_acceptable(Str::get(pos)) == FALSE)
|
|
{ *E = Inode::error(P, I"bad character in text", NULL); return; }
|
|
break;
|
|
case CONSTANT_ROUTINE:
|
|
if (P->W.extent != DATA_CONST_IFLD + 1) { *E = Inode::error(P, I"extent wrong", NULL); return; }
|
|
break;
|
|
}
|
|
}
|
|
|
|
void Inter::Constant::write(inter_construct *IC, OUTPUT_STREAM, inter_tree_node *P, inter_error_message **E) {
|
|
inter_symbol *con_name = InterSymbolsTable::symbol_from_ID_at_node(P, DEFN_CONST_IFLD);
|
|
inter_symbol *con_kind = InterSymbolsTable::symbol_from_ID_at_node(P, KIND_CONST_IFLD);
|
|
int hex = FALSE;
|
|
if (Inter::Annotations::find(&(con_name->ann_set), HEX_IANN)) hex = TRUE;
|
|
if ((con_name) && (con_kind)) {
|
|
WRITE("constant %S %S = ", con_name->symbol_name, con_kind->symbol_name);
|
|
switch (P->W.instruction[FORMAT_CONST_IFLD]) {
|
|
case CONSTANT_DIRECT:
|
|
Inter::Types::write(OUT, P, con_kind,
|
|
P->W.instruction[DATA_CONST_IFLD], P->W.instruction[DATA_CONST_IFLD+1], InterPackage::scope_of(P), hex);
|
|
break;
|
|
case CONSTANT_SUM_LIST:
|
|
case CONSTANT_PRODUCT_LIST:
|
|
case CONSTANT_DIFFERENCE_LIST:
|
|
case CONSTANT_QUOTIENT_LIST:
|
|
case CONSTANT_INDIRECT_LIST: {
|
|
if (P->W.instruction[FORMAT_CONST_IFLD] == CONSTANT_SUM_LIST) WRITE("sum");
|
|
if (P->W.instruction[FORMAT_CONST_IFLD] == CONSTANT_PRODUCT_LIST) WRITE("product");
|
|
if (P->W.instruction[FORMAT_CONST_IFLD] == CONSTANT_DIFFERENCE_LIST) WRITE("difference");
|
|
if (P->W.instruction[FORMAT_CONST_IFLD] == CONSTANT_QUOTIENT_LIST) WRITE("quotient");
|
|
inter_symbol *conts_kind = Inter::Kind::operand_symbol(con_kind, 0);
|
|
WRITE("{");
|
|
for (int i=DATA_CONST_IFLD; i<P->W.extent; i=i+2) {
|
|
if (i > DATA_CONST_IFLD) WRITE(",");
|
|
WRITE(" ");
|
|
Inter::Types::write(OUT, P, conts_kind, P->W.instruction[i], P->W.instruction[i+1], InterPackage::scope_of(P), hex);
|
|
}
|
|
WRITE(" }");
|
|
break;
|
|
}
|
|
case CONSTANT_STRUCT: {
|
|
WRITE("{");
|
|
for (int i=DATA_CONST_IFLD, counter = 0; i<P->W.extent; i=i+2) {
|
|
if (i > DATA_CONST_IFLD) WRITE(",");
|
|
WRITE(" ");
|
|
inter_symbol *conts_kind = Inter::Kind::operand_symbol(con_kind, counter++);
|
|
Inter::Types::write(OUT, P, conts_kind, P->W.instruction[i], P->W.instruction[i+1], InterPackage::scope_of(P), hex);
|
|
}
|
|
WRITE(" }");
|
|
break;
|
|
}
|
|
case CONSTANT_INDIRECT_TEXT:
|
|
WRITE("\"");
|
|
inter_ti ID = P->W.instruction[DATA_CONST_IFLD];
|
|
text_stream *S = Inode::ID_to_text(P, ID);
|
|
Inter::Constant::write_text(OUT, S);
|
|
WRITE("\"");
|
|
break;
|
|
case CONSTANT_ROUTINE: {
|
|
inter_package *block = Inode::ID_to_package(P, P->W.instruction[DATA_CONST_IFLD]);
|
|
WRITE("%S", InterPackage::name(block));
|
|
break;
|
|
}
|
|
}
|
|
InterSymbol::write_annotations(OUT, P, con_name);
|
|
} else {
|
|
*E = Inode::error(P, I"constant can't be written", NULL);
|
|
return;
|
|
}
|
|
}
|
|
|
|
inter_symbol *Inter::Constant::kind_of(inter_symbol *con_symbol) {
|
|
if (con_symbol == NULL) return NULL;
|
|
inter_tree_node *D = InterSymbol::definition(con_symbol);
|
|
if (D == NULL) return NULL;
|
|
if (D->W.instruction[ID_IFLD] != CONSTANT_IST) return NULL;
|
|
return InterSymbolsTable::symbol_from_ID_at_node(D, KIND_CONST_IFLD);
|
|
}
|
|
|
|
inter_package *Inter::Constant::code_block(inter_symbol *con_symbol) {
|
|
if (con_symbol == NULL) return NULL;
|
|
inter_tree_node *D = InterSymbol::definition(con_symbol);
|
|
if (D == NULL) return NULL;
|
|
if (D->W.instruction[ID_IFLD] != CONSTANT_IST) return NULL;
|
|
if (D->W.instruction[FORMAT_CONST_IFLD] != CONSTANT_ROUTINE) return NULL;
|
|
return Inode::ID_to_package(D, D->W.instruction[DATA_CONST_IFLD]);
|
|
}
|
|
|
|
int Inter::Constant::is_routine(inter_symbol *con_symbol) {
|
|
if (con_symbol == NULL) return FALSE;
|
|
inter_tree_node *D = InterSymbol::definition(con_symbol);
|
|
if (D == NULL) return FALSE;
|
|
if (D->W.instruction[ID_IFLD] != CONSTANT_IST) return FALSE;
|
|
if (D->W.instruction[FORMAT_CONST_IFLD] != CONSTANT_ROUTINE) return FALSE;
|
|
return TRUE;
|
|
}
|
|
|
|
inter_symbols_table *Inter::Constant::local_symbols(inter_symbol *con_symbol) {
|
|
return InterPackage::scope(Inter::Constant::code_block(con_symbol));
|
|
}
|
|
|
|
int Inter::Constant::char_acceptable(int c) {
|
|
if ((c < 0x20) && (c != 0x09) && (c != 0x0a)) return FALSE;
|
|
return TRUE;
|
|
}
|
|
|
|
int Inter::Constant::constant_depth(inter_symbol *con) {
|
|
LOG_INDENT;
|
|
int d = Inter::Constant::constant_depth_r(con);
|
|
LOGIF(CONSTANT_DEPTH_CALCULATION, "%S has depth %d\n", con->symbol_name, d);
|
|
LOG_OUTDENT;
|
|
return d;
|
|
}
|
|
int Inter::Constant::constant_depth_r(inter_symbol *con) {
|
|
if (con == NULL) return 1;
|
|
inter_tree_node *D = InterSymbol::definition(con);
|
|
if (D->W.instruction[ID_IFLD] != CONSTANT_IST) return 1;
|
|
if (D->W.instruction[FORMAT_CONST_IFLD] == CONSTANT_DIRECT) {
|
|
inter_ti val1 = D->W.instruction[DATA_CONST_IFLD];
|
|
inter_ti val2 = D->W.instruction[DATA_CONST_IFLD + 1];
|
|
if (val1 == ALIAS_IVAL) {
|
|
inter_symbol *alias =
|
|
InterSymbolsTable::symbol_from_data_pair(
|
|
val1, val2, InterPackage::scope(D->package));
|
|
return Inter::Constant::constant_depth(alias) + 1;
|
|
}
|
|
return 1;
|
|
}
|
|
if ((D->W.instruction[FORMAT_CONST_IFLD] == CONSTANT_SUM_LIST) ||
|
|
(D->W.instruction[FORMAT_CONST_IFLD] == CONSTANT_PRODUCT_LIST) ||
|
|
(D->W.instruction[FORMAT_CONST_IFLD] == CONSTANT_DIFFERENCE_LIST) ||
|
|
(D->W.instruction[FORMAT_CONST_IFLD] == CONSTANT_QUOTIENT_LIST)) {
|
|
int total = 0;
|
|
for (int i=DATA_CONST_IFLD; i<D->W.extent; i=i+2) {
|
|
inter_ti val1 = D->W.instruction[i];
|
|
inter_ti val2 = D->W.instruction[i + 1];
|
|
if (val1 == ALIAS_IVAL) {
|
|
inter_symbol *alias =
|
|
InterSymbolsTable::symbol_from_data_pair(
|
|
val1, val2, InterPackage::scope(D->package));
|
|
total += Inter::Constant::constant_depth(alias);
|
|
} else total++;
|
|
}
|
|
return 1 + total;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
inter_ti Inter::Constant::evaluate(inter_symbols_table *T, inter_ti val1, inter_ti val2) {
|
|
if (val1 == LITERAL_IVAL) return val2;
|
|
if (InterSymbol::is_stored_in_data(val1, val2)) {
|
|
inter_symbol *aliased = InterSymbolsTable::symbol_from_data_pair(val1, val2, T);
|
|
if (aliased == NULL) internal_error("bad aliased symbol");
|
|
inter_tree_node *D = aliased->definition;
|
|
if (D == NULL) internal_error("undefined symbol");
|
|
switch (D->W.instruction[FORMAT_CONST_IFLD]) {
|
|
case CONSTANT_DIRECT: {
|
|
inter_ti dval1 = D->W.instruction[DATA_CONST_IFLD];
|
|
inter_ti dval2 = D->W.instruction[DATA_CONST_IFLD + 1];
|
|
inter_ti e = Inter::Constant::evaluate(InterPackage::scope_of(D), dval1, dval2);
|
|
return e;
|
|
}
|
|
case CONSTANT_SUM_LIST:
|
|
case CONSTANT_PRODUCT_LIST:
|
|
case CONSTANT_DIFFERENCE_LIST:
|
|
case CONSTANT_QUOTIENT_LIST: {
|
|
inter_ti result = 0;
|
|
for (int i=DATA_CONST_IFLD; i<D->W.extent; i=i+2) {
|
|
inter_ti extra = Inter::Constant::evaluate(InterPackage::scope_of(D), D->W.instruction[i], D->W.instruction[i+1]);
|
|
if (i == DATA_CONST_IFLD) result = extra;
|
|
else {
|
|
if (D->W.instruction[FORMAT_CONST_IFLD] == CONSTANT_SUM_LIST) result = result + extra;
|
|
if (D->W.instruction[FORMAT_CONST_IFLD] == CONSTANT_PRODUCT_LIST) result = result * extra;
|
|
if (D->W.instruction[FORMAT_CONST_IFLD] == CONSTANT_DIFFERENCE_LIST) result = result - extra;
|
|
if (D->W.instruction[FORMAT_CONST_IFLD] == CONSTANT_QUOTIENT_LIST) result = result / extra;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|