kjuulh/rhai
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Fix bug.

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This commit is contained in:
Stephen Chung
2022-11-27 17:21:07 +08:00
parent c311758b5c
commit 4ab306607d
4 changed files with 22 additions and 20 deletions
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32
src/eval/expr.rs
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@@ -62,25 +62,22 @@ impl Engine {
}
Expr::Variable(v, None, ..) => match &**v {
// Normal variable access
#[cfg(not(feature = "no_module"))]
(_, ns, ..) if ns.is_empty() => {
self.search_scope_only(global, caches, scope, this_ptr, expr)
}
#[cfg(feature = "no_module")]
(_, (), ..) => self.search_scope_only(global, caches, scope, this_ptr, expr),
// Qualified variable access
#[cfg(not(feature = "no_module"))]
(_, namespace, hash_var, var_name) => {
(_, ns, hash_var, var_name) => {
// foo:bar::baz::VARIABLE
if let Some(module) = self.search_imports(global, namespace) {
if let Some(module) = self.search_imports(global, ns) {
return module.get_qualified_var(*hash_var).map_or_else(
|| {
let sep = crate::tokenizer::Token::DoubleColon.literal_syntax();
Err(ERR::ErrorVariableNotFound(
format!("{namespace}{sep}{var_name}"),
namespace.position(),
format!("{ns}{sep}{var_name}"),
ns.position(),
)
.into())
},
@@ -94,7 +91,7 @@ impl Engine {
// global::VARIABLE
#[cfg(not(feature = "no_function"))]
if namespace.len() == 1 && namespace.root() == crate::engine::KEYWORD_GLOBAL {
if ns.len() == 1 && ns.root() == crate::engine::KEYWORD_GLOBAL {
if let Some(ref constants) = global.constants {
if let Some(value) =
crate::func::locked_write(constants).get_mut(var_name.as_str())
@@ -109,17 +106,17 @@ impl Engine {
let sep = crate::tokenizer::Token::DoubleColon.literal_syntax();
return Err(ERR::ErrorVariableNotFound(
format!("{namespace}{sep}{var_name}"),
namespace.position(),
format!("{ns}{sep}{var_name}"),
ns.position(),
)
.into());
}
Err(
ERR::ErrorModuleNotFound(namespace.to_string(), namespace.position())
.into(),
)
Err(ERR::ErrorModuleNotFound(ns.to_string(), ns.position()).into())
}
#[cfg(feature = "no_module")]
_ => unreachable!("Invalid expression {:?}", expr),
},
_ => unreachable!("Expr::Variable expected but gets {:?}", expr),
}
@@ -142,14 +139,18 @@ impl Engine {
let index = match expr {
// Check if the variable is `this`
Expr::Variable(v, None, ..) if v.0.is_none() && v.3 == KEYWORD_THIS => {
Expr::Variable(v, None, ..)
if v.0.is_none() && v.1.is_empty() && v.3 == KEYWORD_THIS =>
{
return if this_ptr.is_null() {
Err(ERR::ErrorUnboundThis(expr.position()).into())
} else {
Ok(this_ptr.into())
};
}
_ if global.always_search_scope => 0,
Expr::Variable(_, Some(i), ..) => i.get() as usize,
// Scripted function with the same name
#[cfg(not(feature = "no_function"))]
@@ -165,6 +166,7 @@ impl Engine {
return Ok(val.into());
}
Expr::Variable(v, None, ..) => v.0.map_or(0, NonZeroUsize::get),
_ => unreachable!("Expr::Variable expected but gets {:?}", expr),
};