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51 lines
1.6 KiB
OpenEdge ABL
51 lines
1.6 KiB
OpenEdge ABL
[CodeGen::Uniqueness::] Uniqueness.
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To make sure certain symbol names translate into globally unique target symbols.
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@h Pipeline stage.
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=
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void CodeGen::Uniqueness::create_pipeline_stage(void) {
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CodeGen::Stage::new(I"make-identifiers-unique", CodeGen::Uniqueness::run_pipeline_stage, NO_STAGE_ARG, FALSE);
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}
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int CodeGen::Uniqueness::run_pipeline_stage(pipeline_step *step) {
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dictionary *D = Dictionaries::new(INITIAL_INTER_SYMBOLS_ID_RANGE, FALSE);
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InterTree::traverse(step->repository, CodeGen::Uniqueness::visitor, D, NULL, 0);
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return TRUE;
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}
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typedef struct uniqueness_count {
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int count;
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CLASS_DEFINITION
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} uniqueness_count;
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void CodeGen::Uniqueness::visitor(inter_tree *I, inter_tree_node *P, void *state) {
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dictionary *D = (dictionary *) state;
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if (P->W.data[ID_IFLD] == PACKAGE_IST) {
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inter_package *Q = Inter::Package::defined_by_frame(P);
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inter_symbols_table *ST = Inter::Packages::scope(Q);
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for (int i=0; i<ST->size; i++) {
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inter_symbol *S = ST->symbol_array[i];
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if ((S) && (S->equated_to == NULL) && (Inter::Symbols::get_flag(S, MAKE_NAME_UNIQUE))) {
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text_stream *N = S->symbol_name;
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uniqueness_count *U = NULL;
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if (Dictionaries::find(D, N)) {
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U = (uniqueness_count *) Dictionaries::read_value(D, N);
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} else {
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U = CREATE(uniqueness_count);
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U->count = 0;
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Dictionaries::create(D, N);
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Dictionaries::write_value(D, N, (void *) U);
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}
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U->count++;
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TEMPORARY_TEXT(T)
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WRITE_TO(T, "%S_U%d", N, U->count);
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Inter::Symbols::set_translate(S, T);
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DISCARD_TEXT(T)
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Inter::Symbols::clear_flag(S, MAKE_NAME_UNIQUE);
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}
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}
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}
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}
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