source: add tracking of exported symbols

Extend abstract source objects to maintain a list of exported symbols and
add functions to append and lookup exported names.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 25 insertions, 0 deletions

diff --git a/source.c b/source.c
index b8f2e91..902ad4c 100644
--- a/source.c
+++ b/source.c
@@ -196,3 +196,28 @@ uc_source_runpath_set(uc_source_t *source, const char *runpath)
 
 	source->runpath = xstrdup(runpath);
 }
+
+bool
+uc_source_export_add(uc_source_t *source, uc_value_t *name)
+{
+	ssize_t idx = uc_source_export_lookup(source, name);
+
+	if (idx > -1)
+		return false;
+
+	uc_vector_push(&source->exports, ucv_get(name));
+
+	return true;
+}
+
+ssize_t
+uc_source_export_lookup(uc_source_t *source, uc_value_t *name)
+{
+	size_t i;
+
+	for (i = 0; i < source->exports.count; i++)
+		if (ucv_is_equal(source->exports.entries[i], name))
+			return i;
+
+	return -1;
+}