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85 lines
3.1 KiB
OpenEdge ABL
85 lines
3.1 KiB
OpenEdge ABL
[SynopticUseOptions::] Use Options.
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To compile the main/synoptic/use_options submodule.
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@ As this is called, //Synoptic Utilities// has already formed a list |use_option_nodes|
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of packages of type |_use_option|.
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=
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void SynopticUseOptions::compile(inter_tree *I, pipeline_step *step, tree_inventory *inv) {
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if (TreeLists::len(inv->use_option_nodes) > 0) {
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TreeLists::sort(inv->use_option_nodes, Synoptic::module_order);
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for (int i=0; i<TreeLists::len(inv->use_option_nodes); i++) {
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inter_package *pack = Inter::Package::defined_by_frame(inv->use_option_nodes->list[i].node);
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inter_tree_node *D = Synoptic::get_definition(pack, I"use_option_id");
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D->W.data[DATA_CONST_IFLD+1] = (inter_ti) i;
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}
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}
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@<Define NO_USE_OPTIONS@>;
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@<Define TESTUSEOPTION function@>;
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@<Define PRINT_USE_OPTION function@>;
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}
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@<Define NO_USE_OPTIONS@> =
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inter_name *iname = HierarchyLocations::find(I, NO_USE_OPTIONS_HL);
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Produce::numeric_constant(I, iname, K_value, (inter_ti) (TreeLists::len(inv->use_option_nodes)));
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@ A relatively late addition to the design of use options was to make them
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values at runtime, of the kind "use option". We need to provide two functions:
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one to test whether a given use option is currently set, one to print the
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name of a given use option.
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@<Define TESTUSEOPTION function@> =
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inter_name *iname = HierarchyLocations::find(I, TESTUSEOPTION_HL);
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Synoptic::begin_function(I, iname);
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inter_symbol *UO_s = Synoptic::local(I, I"UO", NULL);
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for (int i=0; i<TreeLists::len(inv->use_option_nodes); i++) {
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inter_package *pack = Inter::Package::defined_by_frame(inv->use_option_nodes->list[i].node);
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inter_ti set = Metadata::read_numeric(pack, I"^active");
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if (set) {
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Produce::inv_primitive(I, IF_BIP);
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Produce::down(I);
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Produce::inv_primitive(I, EQ_BIP);
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Produce::down(I);
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Produce::val_symbol(I, K_value, UO_s);
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Produce::val(I, K_value, LITERAL_IVAL, (inter_ti) i);
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Produce::up(I);
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Produce::code(I);
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Produce::down(I);
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Produce::rtrue(I);
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Produce::up(I);
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Produce::up(I);
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}
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}
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Produce::rfalse(I);
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Synoptic::end_function(I, step, iname);
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@<Define PRINT_USE_OPTION function@> =
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inter_name *iname = HierarchyLocations::find(I, PRINT_USE_OPTION_HL);
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Synoptic::begin_function(I, iname);
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inter_symbol *UO_s = Synoptic::local(I, I"UO", NULL);
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Produce::inv_primitive(I, SWITCH_BIP);
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Produce::down(I);
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Produce::val_symbol(I, K_value, UO_s);
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Produce::code(I);
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Produce::down(I);
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for (int i=0; i<TreeLists::len(inv->use_option_nodes); i++) {
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inter_package *pack = Inter::Package::defined_by_frame(inv->use_option_nodes->list[i].node);
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text_stream *printed_name = Metadata::read_textual(pack, I"^printed_name");
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Produce::inv_primitive(I, CASE_BIP);
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Produce::down(I);
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Produce::val(I, K_value, LITERAL_IVAL, (inter_ti) i);
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Produce::code(I);
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Produce::down(I);
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Produce::inv_primitive(I, PRINT_BIP);
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Produce::down(I);
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Produce::val_text(I, printed_name);
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Produce::up(I);
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Produce::up(I);
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Produce::up(I);
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}
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Produce::up(I);
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Produce::up(I);
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Synoptic::end_function(I, step, iname);
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