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-rw-r--r--lib/xixanta/src/object.rs33
1 files changed, 19 insertions, 14 deletions
diff --git a/lib/xixanta/src/object.rs b/lib/xixanta/src/object.rs
index ad02747..a92f9fb 100644
--- a/lib/xixanta/src/object.rs
+++ b/lib/xixanta/src/object.rs
@@ -339,20 +339,25 @@ impl Context {
}
/// Change the current context to the given one identified by `name`,
- /// disregarding any check. This is to be used when switching a context to
- /// set a very specific value for that context. You should call
- /// `force_context_pop` immediately.
- pub fn force_context_switch(&mut self, name: &String) {
- self.stack.push(name.to_owned());
- }
-
- /// Remove the last context being used if any. In contrast with
- /// `context_pop`, this one does not error out, but does nothing in case we
- /// are in the global context. This is to be used in conjunction with
- /// `force_context_switch`.
- pub fn force_context_pop(&mut self) {
- if !self.stack.is_empty() {
- self.stack.truncate(self.stack.len() - 1);
+ /// disregarding any check. This is a destructive operation and will clear
+ /// out any previous context. Hence, only call this when you are sure that
+ /// there's no reliance on a specific context in the future.
+ pub fn force_context_switch(&mut self, name: &str) {
+ let mut ax = String::with_capacity(name.len());
+
+ // Clear the context stack as we will set it manually.
+ self.stack.truncate(0);
+
+ // Forcing a context switch is not as simple as pushing the given name,
+ // but we have to make sure that the whole scope hierarchy is laid out
+ // so the code that fetches variables continues to work (e.g. if
+ // "A::B::C", then the stack must look like ["A", "A::B", "A::B::C"]).
+ for n in name.split("::") {
+ if !ax.is_empty() {
+ ax += "::";
+ }
+ ax += n;
+ self.stack.push(ax.clone());
}
}