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loading and unloading of languages in the C runtime and in the Python bindings

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kr.angelov
2013-12-10 15:00:52 +00:00
parent 8121124d72
commit 0ece8f19ab
11 changed files with 303 additions and 68 deletions
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16
src/runtime/c/pgf/linearizer.c
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@@ -618,8 +618,17 @@ pgf_cnc_tree_enum_next(GuEnum* self, void* to, GuPool* pool)
}
PgfCncTreeEnum*
pgf_lzr_concretize(PgfConcr* concr, PgfExpr expr, GuPool* pool)
pgf_lzr_concretize(PgfConcr* concr, PgfExpr expr, GuExn* err, GuPool* pool)
{
if (concr->fun_indices == NULL ||
concr->coerce_idx == NULL) {
GuExnData* err_data = gu_raise(err, PgfExn);
if (err_data) {
err_data->data = "The concrete syntax is not loaded";
return NULL;
}
}
PgfLzn* lzn = gu_new(PgfLzn, pool);
lzn->concr = concr;
lzn->expr = expr;
@@ -947,7 +956,10 @@ pgf_linearize(PgfConcr* concr, PgfExpr expr, GuOut* out, GuExn* err)
GuPool* tmp_pool = gu_local_pool();
GuEnum* cts =
pgf_lzr_concretize(concr, expr, tmp_pool);
pgf_lzr_concretize(concr, expr, err, tmp_pool);
if (!gu_ok(err))
return;
PgfCncTree ctree = gu_next(cts, PgfCncTree, tmp_pool);
if (!gu_variant_is_null(ctree)) {
ctree = pgf_lzr_wrap_linref(ctree, tmp_pool);