[PATCH v2 1/6] widl: Print full namespace name on error.

[Rémi Bernon]

Not really necessary as the errors are usually more cryptic, but nice
to have when it fails there.

Signed-off-by: Rémi Bernon 
---

v2: Tweak style in a few locations.

tools/widl/parser.y    | 10 ++++++++--
 tools/widl/widltypes.h |  1 +
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/tools/widl/parser.y b/tools/widl/parser.y
index 3ef8d89ba1c..98bd8949f13 100644
--- a/tools/widl/parser.y
+++ b/tools/widl/parser.y
@@ -118,7 +118,7 @@ static statement_list_t *append_statements(statement_list_t *, statement_list_t
 static attr_list_t *append_attribs(attr_list_t *, attr_list_t *);

static struct namespace global_namespace = {
-    NULL, NULL, LIST_INIT(global_namespace.entry), LIST_INIT(global_namespace.children)
+    NULL, NULL, NULL, LIST_INIT(global_namespace.entry), LIST_INIT(global_namespace.children)
 };

static struct namespace *current_namespace = &global_namespace;
@@ -1833,6 +1833,12 @@ static void push_namespace(const char *name)
   if(!namespace) {
     namespace = xmalloc(sizeof(*namespace));
     namespace->name = xstrdup(name);
+    if (!current_namespace->full_name) namespace->full_name = xstrdup(name);
+    else
+    {
+        namespace->full_name = xmalloc(strlen(current_namespace->full_name) + strlen(name) + 1);
+        sprintf(namespace->full_name, "%s.%s", current_namespace->full_name, name);
+    }
     namespace->parent = current_namespace;
     list_add_tail(&current_namespace->children, &namespace->entry);
     list_init(&namespace->children);
@@ -1961,7 +1967,7 @@ static type_t *find_type_or_error(const char *name, int t)
 {
   type_t *type = find_type(name, NULL, t);
   if (!type) {
-    error_loc("type '%s' not found\n", name);
+    error_loc("type '%s' not found in %s\n", name, current_namespace->full_name);
     return NULL;
   }
   return type;
diff --git a/tools/widl/widltypes.h b/tools/widl/widltypes.h
index 085a0ff55f5..1634f9bd50b 100644
--- a/tools/widl/widltypes.h
+++ b/tools/widl/widltypes.h
@@ -409,6 +409,7 @@ struct alias_details

struct namespace {
     const char *name;
+    char *full_name;
     struct namespace *parent;
     struct list entry;
     struct list children;