Encapsulate environment in ScriptFnDef.

This commit is contained in:
Stephen Chung
2020-10-13 09:38:14 +08:00
parent 0b4129fb98
commit 3c7805d514
5 changed files with 35 additions and 48 deletions

View File

@@ -288,7 +288,7 @@ impl Module {
/// If there is an existing function of the same name and number of arguments, it is replaced.
#[cfg(not(feature = "no_function"))]
#[inline]
pub(crate) fn set_script_fn(&mut self, fn_def: ScriptFnDef) -> u64 {
pub(crate) fn set_script_fn(&mut self, fn_def: Shared<ScriptFnDef>) -> u64 {
// None + function name + number of arguments.
let num_params = fn_def.params.len();
let hash_script = calc_fn_hash(empty(), &fn_def.name, num_params, empty());
@@ -1392,53 +1392,18 @@ impl Module {
module.modules.insert(alias.to_string(), m);
});
// Non-private functions defined become module functions
#[cfg(not(feature = "no_function"))]
{
let ast_lib: Shared<Module> = ast.lib().clone().into();
ast.iter_functions()
.filter(|(access, _, _, _)| access.is_public())
.for_each(|(_, name, num_params, func)| {
let ast_lib = ast_lib.clone();
module.set_raw_fn_as_scripted(
name,
num_params,
move |engine: &Engine, lib: &Module, args: &mut [&mut Dynamic]| {
let mut lib_merged;
let unified_lib = if lib.is_empty() {
// In the special case of the main script not defining any function
&ast_lib
} else {
lib_merged = lib.clone();
lib_merged.merge(&ast_lib);
&lib_merged
};
engine
.call_script_fn(
&mut Default::default(),
&mut Default::default(),
&mut Default::default(),
unified_lib,
&mut None,
&func.name,
func.as_ref(),
args,
0,
)
.map_err(|err| {
// Wrap the error in a module-error
EvalAltResult::ErrorInModule(
"".to_string(),
err,
Position::none(),
)
.into()
})
},
);
.filter(|(access, _, _, _)| !access.is_private())
.for_each(|(_, _, _, func)| {
// Encapsulate AST environment
let mut func = func.as_ref().clone();
func.lib = Some(ast_lib.clone());
module.set_script_fn(func.into());
});
}