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Fix bug in namespace searching.

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This commit is contained in:
Stephen Chung 2022-08-09 21:35:45 +08:00
parent 8408c190dc
commit ac93a0bbbc
2 changed files with 30 additions and 3 deletions
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5
CHANGELOG.md
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@ -13,6 +13,7 @@ Bug fixes
* Fixes concatenation of BLOB's and strings, where the BLOB's should be interpreted as UTF-8 encoded strings.
* Capturing an unknown variable in a closure no longer panics.
* Fixes panic in interpolated strings with constant expressions.
* Using `call_fn_raw` on a function without evaluating the AST no longer panics on namespace-qualified function calls due to `import` statements not run.
New features
------------
@ -38,6 +39,10 @@ New features
* Crate-level functions `rhai::eval`, `rhai::run`, `rhai::eval_file`, `rhai::run_file` are added as convenient wrappers.
### CustomType trait and TypeBuilder
* A new volatile API, `Engine::build_type`, enables registration of the entire API of a custom type in one go, provided that the custom type implements the `CustomType` trait (which uses `TypeBuilder` to register the API functions).
Enhancements
------------

26
src/parser.rs
View File

@ -72,6 +72,9 @@ pub struct ParseState<'e> {
/// Encapsulates a local stack with imported [module][crate::Module] names.
#[cfg(not(feature = "no_module"))]
pub imports: StaticVec<Identifier>,
/// List of globally-imported [module][crate::Module] names.
#[cfg(not(feature = "no_module"))]
pub global_imports: StaticVec<Identifier>,
/// Maximum levels of expression nesting (0 for unlimited).
#[cfg(not(feature = "unchecked"))]
pub max_expr_depth: usize,
@ -91,7 +94,8 @@ impl fmt::Debug for ParseState<'_> {
f.field("external_vars", &self.external_vars)
.field("allow_capture", &self.allow_capture);
#[cfg(not(feature = "no_module"))]
f.field("imports", &self.imports);
f.field("imports", &self.imports)
.field("global_imports", &self.global_imports);
#[cfg(not(feature = "unchecked"))]
f.field("max_expr_depth", &self.max_expr_depth);
f.finish()
@ -117,6 +121,8 @@ impl<'e> ParseState<'e> {
block_stack_len: 0,
#[cfg(not(feature = "no_module"))]
imports: StaticVec::new_const(),
#[cfg(not(feature = "no_module"))]
global_imports: StaticVec::new_const(),
#[cfg(not(feature = "unchecked"))]
max_expr_depth: engine.max_expr_depth(),
}
@ -557,6 +563,7 @@ impl Engine {
if settings.options.contains(LangOptions::STRICT_VAR)
&& index.is_none()
&& !is_global
&& !state.global_imports.iter().any(|m| m == root)
&& !self.global_sub_modules.contains_key(root)
{
return Err(
@ -624,6 +631,7 @@ impl Engine {
if settings.options.contains(LangOptions::STRICT_VAR)
&& index.is_none()
&& !is_global
&& !state.global_imports.iter().any(|m| m == root)
&& !self.global_sub_modules.contains_key(root)
{
return Err(PERR::ModuleUndefined(root.to_string())
@ -1351,7 +1359,10 @@ impl Engine {
ParseState::new(self, state.scope, state.tokenizer_control.clone());
#[cfg(not(feature = "no_module"))]
{
new_state.imports.clone_from(&state.imports);
new_state.global_imports.clone_from(&state.global_imports);
}
#[cfg(not(feature = "unchecked"))]
{
@ -1789,6 +1800,7 @@ impl Engine {
if settings.options.contains(LangOptions::STRICT_VAR)
&& index.is_none()
&& !is_global
&& !state.global_imports.iter().any(|m| m == root)
&& !self.global_sub_modules.contains_key(root)
{
return Err(
@ -3204,7 +3216,17 @@ impl Engine {
ParseState::new(self, state.scope, state.tokenizer_control.clone());
#[cfg(not(feature = "no_module"))]
new_state.imports.clone_from(&state.imports);
{
// Do not allow storing an index to a globally-imported module
// just in case the function is separated from this `AST`.
//
// Keep them in `global_imports` instead so that strict variables
// mode will not complain.
new_state.global_imports.clone_from(&state.global_imports);
new_state
.global_imports
.extend(state.imports.iter().cloned());
}
#[cfg(not(feature = "unchecked"))]
{