kjuulh/rhai
1
0
Fork 0
Code Issues 1 Pull Requests 1 Packages Projects Releases Wiki Activity

Move lib into global.

Browse Source
This commit is contained in:
Stephen Chung 2022-11-10 11:49:10 +08:00
parent 3800a6d9f5
commit 3a028f2642
19 changed files with 353 additions and 500 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
src/api/call_fn.rs
View File

@ -3,9 +3,10 @@
use crate::eval::{Caches, GlobalRuntimeState};
use crate::types::dynamic::Variant;
use crate::types::RestoreOnDrop;
use crate::{
reify, Dynamic, Engine, FuncArgs, Position, RhaiResult, RhaiResultOf, Scope, SharedModule,
StaticVec, AST, ERR,
reify, Dynamic, Engine, FuncArgs, Position, RhaiResult, RhaiResultOf, Scope, StaticVec, AST,
ERR,
};
use std::any::{type_name, TypeId};
#[cfg(feature = "no_std")]
@ -248,31 +249,30 @@ impl Engine {
arg_values: &mut [Dynamic],
) -> RhaiResult {
let statements = ast.statements();
let lib = &[AsRef::<SharedModule>::as_ref(ast).clone()];
let orig_lib_len = global.lib.len();
#[cfg(not(feature = "no_function"))]
if !ast.functions().is_empty() {
global.lib.push(ast.functions().clone());
}
let mut no_this_ptr = Dynamic::NULL;
let this_ptr = this_ptr.unwrap_or(&mut no_this_ptr);
let orig_scope_len = scope.len();
#[cfg(not(feature = "no_module"))]
let orig_embedded_module_resolver = std::mem::replace(
&mut global.embedded_module_resolver,
ast.resolver().cloned(),
);
#[cfg(not(feature = "no_module"))]
let global = &mut *crate::types::RestoreOnDrop::lock(global, move |g| {
g.embedded_module_resolver = orig_embedded_module_resolver
});
let result = if eval_ast && !statements.is_empty() {
let r = self.eval_global_statements(global, caches, lib, scope, statements);
let orig_scope_len = scope.len();
let scope = &mut *RestoreOnDrop::lock_if(rewind_scope, scope, move |s| {
s.rewind(orig_scope_len);
});
if rewind_scope {
scope.rewind(orig_scope_len);
}
r
self.eval_global_statements(global, caches, scope, statements)
} else {
Ok(Dynamic::UNIT)
}
@ -287,7 +287,6 @@ impl Engine {
self.call_script_fn(
global,
caches,
lib,
scope,
this_ptr,
fn_def,
@ -298,15 +297,21 @@ impl Engine {
} else {
Err(ERR::ErrorFunctionNotFound(name.into(), Position::NONE).into())
}
})?;
});
#[cfg(feature = "debugging")]
if self.debugger.is_some() {
global.debugger.status = crate::eval::DebuggerStatus::Terminate;
let node = &crate::ast::Stmt::Noop(Position::NONE);
self.run_debugger(global, caches, lib, scope, this_ptr, node)?;
self.run_debugger(global, caches, scope, this_ptr, node)?;
}
Ok(result)
#[cfg(not(feature = "no_module"))]
{
global.embedded_module_resolver = orig_embedded_module_resolver;
}
global.lib.truncate(orig_lib_len);
result
}
}

58
src/api/eval.rs
View File

@ -6,9 +6,9 @@ use crate::types::dynamic::Variant;
use crate::{
Dynamic, Engine, OptimizationLevel, Position, RhaiResult, RhaiResultOf, Scope, AST, ERR,
};
use std::any::type_name;
#[cfg(feature = "no_std")]
use std::prelude::v1::*;
use std::{any::type_name, mem};
impl Engine {
/// Evaluate a string as a script, returning the result value or an error.
@ -190,19 +190,6 @@ impl Engine {
let result = self.eval_ast_with_scope_raw(global, caches, scope, ast)?;
#[cfg(feature = "debugging")]
if self.debugger.is_some() {
global.debugger.status = crate::eval::DebuggerStatus::Terminate;
let lib = &[
#[cfg(not(feature = "no_function"))]
AsRef::<crate::SharedModule>::as_ref(ast).clone(),
];
let mut this = Dynamic::NULL;
let node = &crate::ast::Stmt::Noop(Position::NONE);
self.run_debugger(global, caches, lib, scope, &mut this, node)?;
}
let typ = self.map_type_name(result.type_name());
result.try_cast::<T>().ok_or_else(|| {
@ -216,21 +203,22 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
scope: &mut Scope,
ast: &'a AST,
) -> RhaiResult {
global.source = ast.source_raw().cloned();
let orig_source = mem::replace(&mut global.source, ast.source_raw().cloned());
let orig_lib_len = global.lib.len();
#[cfg(not(feature = "no_function"))]
if !ast.functions().is_empty() {
global.lib.push(ast.functions().clone());
}
#[cfg(not(feature = "no_module"))]
let orig_embedded_module_resolver = std::mem::replace(
let orig_embedded_module_resolver = mem::replace(
&mut global.embedded_module_resolver,
ast.resolver().cloned(),
);
#[cfg(not(feature = "no_module"))]
let global = &mut *crate::types::RestoreOnDrop::lock(global, move |g| {
g.embedded_module_resolver = orig_embedded_module_resolver
});
let statements = ast.statements();
@ -238,12 +226,26 @@ impl Engine {
return Ok(Dynamic::UNIT);
}
let lib = &[
#[cfg(not(feature = "no_function"))]
AsRef::<crate::SharedModule>::as_ref(ast).clone(),
];
let result = self.eval_global_statements(global, caches, scope, statements);
self.eval_global_statements(global, caches, lib, scope, statements)
#[cfg(feature = "debugging")]
if self.debugger.is_some() {
global.debugger.status = crate::eval::DebuggerStatus::Terminate;
let mut this = Dynamic::NULL;
let node = &crate::ast::Stmt::Noop(Position::NONE);
self.run_debugger(global, caches, scope, &mut this, node)?;
}
#[cfg(not(feature = "no_module"))]
{
global.embedded_module_resolver = orig_embedded_module_resolver;
}
global.lib.truncate(orig_lib_len);
global.source = orig_source;
result
}
/// _(internals)_ Evaluate a list of statements with no `this` pointer.
/// Exported under the `internals` feature only.
@ -259,12 +261,10 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[crate::SharedModule],
scope: &mut Scope,
statements: &[crate::ast::Stmt],
) -> RhaiResult {
self.eval_global_statements(global, caches, lib, scope, statements)
self.eval_global_statements(global, caches, scope, statements)
}
}

4
src/api/optimize.rs
View File

@ -52,7 +52,7 @@ impl Engine {
let mut ast = ast;
#[cfg(not(feature = "no_function"))]
let lib = ast
let functions = ast
.shared_lib()
.iter_fn()
.filter(|f| f.func.is_script())
@ -64,7 +64,7 @@ impl Engine {
scope,
ast.take_statements(),
#[cfg(not(feature = "no_function"))]
lib,
functions,
optimization_level,
);

23
src/api/run.rs
View File

@ -2,7 +2,7 @@
use crate::eval::{Caches, GlobalRuntimeState};
use crate::parser::ParseState;
use crate::{Engine, RhaiResultOf, Scope, SharedModule, AST};
use crate::{Engine, RhaiResultOf, Scope, AST};
#[cfg(feature = "no_std")]
use std::prelude::v1::*;
@ -115,6 +115,10 @@ impl Engine {
let global = &mut GlobalRuntimeState::new(self);
global.source = ast.source_raw().cloned();
#[cfg(not(feature = "no_function"))]
if !ast.functions().is_empty() {
global.lib.push(ast.functions().clone());
}
#[cfg(not(feature = "no_module"))]
{
global.embedded_module_resolver = ast.resolver().cloned();
@ -122,28 +126,15 @@ impl Engine {
let statements = ast.statements();
if !statements.is_empty() {
let lib: &[SharedModule] = &[
#[cfg(not(feature = "no_function"))]
AsRef::<SharedModule>::as_ref(ast).clone(),
];
let lib = if lib.first().map_or(true, |m| m.is_empty()) {
&[][..]
} else {
&lib
};
self.eval_global_statements(global, caches, lib, scope, statements)?;
self.eval_global_statements(global, caches, scope, statements)?;
}
#[cfg(feature = "debugging")]
if self.debugger.is_some() {
global.debugger.status = crate::eval::DebuggerStatus::Terminate;
let lib = &[
#[cfg(not(feature = "no_function"))]
AsRef::<crate::SharedModule>::as_ref(ast).clone(),
];
let mut this = crate::Dynamic::NULL;
let node = &crate::ast::Stmt::Noop(crate::Position::NONE);
self.run_debugger(global, caches, lib, scope, &mut this, node)?;
self.run_debugger(global, caches, scope, &mut this, node)?;
}
Ok(())

17
src/ast/ast.rs
View File

@ -231,6 +231,23 @@ impl AST {
pub(crate) fn set_doc(&mut self, doc: impl Into<crate::SmartString>) {
self.doc = doc.into();
}
/// Get the shared [module][crate::Module] containing script-defined functions.
#[cfg(not(feature = "no_function"))]
#[cfg(not(feature = "internals"))]
#[inline(always)]
#[must_use]
pub(crate) fn functions(&self) -> &crate::SharedModule {
&self.lib
}
/// _(internals)_ Get the shared [module][crate::Module] containing script-defined functions.
/// Exported under the `internals` feature only.
#[cfg(not(feature = "no_function"))]
#[cfg(feature = "internals")]
#[inline(always)]
#[must_use]
pub fn functions(&self) -> &crate::SharedModule {
&self.lib
}
/// Get the statements.
#[cfg(not(feature = "internals"))]
#[inline(always)]

173
src/eval/chaining.rs
View File

@ -5,9 +5,7 @@ use super::{Caches, GlobalRuntimeState, Target};
use crate::ast::{ASTFlags, Expr, OpAssignment};
use crate::types::dynamic::Union;
use crate::types::RestoreOnDrop;
use crate::{
Dynamic, Engine, FnArgsVec, Position, RhaiResult, RhaiResultOf, Scope, SharedModule, ERR,
};
use crate::{Dynamic, Engine, FnArgsVec, Position, RhaiResult, RhaiResultOf, Scope, ERR};
use std::hash::Hash;
#[cfg(feature = "no_std")]
use std::prelude::v1::*;
@ -43,7 +41,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
this_ptr: &mut Dynamic,
target: &mut Target,
root: (&str, Position),
@ -75,7 +72,7 @@ impl Engine {
if !parent_options.contains(ASTFlags::BREAK) =>
{
#[cfg(feature = "debugging")]
self.run_debugger(global, caches, lib, scope, this_ptr, _parent)?;
self.run_debugger(global, caches, scope, this_ptr, _parent)?;
let idx_val = &mut idx_values.pop().unwrap();
let mut idx_val_for_setter = idx_val.clone();
@ -84,14 +81,14 @@ impl Engine {
let (try_setter, result) = {
let mut obj = self.get_indexed_mut(
global, caches, lib, target, idx_val, idx_pos, false, true,
global, caches, target, idx_val, idx_pos, false, true,
)?;
let is_obj_temp_val = obj.is_temp_value();
let obj_ptr = &mut obj;
match self.eval_dot_index_chain_helper(
global, caches, lib, this_ptr, obj_ptr, root, rhs, *options,
&x.rhs, idx_values, rhs_chain, new_val,
global, caches, this_ptr, obj_ptr, root, rhs, *options, &x.rhs,
idx_values, rhs_chain, new_val,
) {
Ok((result, true)) if is_obj_temp_val => {
(Some(obj.take_or_clone()), (result, true))
@ -105,13 +102,11 @@ impl Engine {
// Try to call index setter if value is changed
let idx = &mut idx_val_for_setter;
let new_val = &mut new_val;
self.call_indexer_set(
global, caches, lib, target, idx, new_val, is_ref_mut,
)
.or_else(|e| match *e {
ERR::ErrorIndexingType(..) => Ok((Dynamic::UNIT, false)),
_ => Err(e),
})?;
self.call_indexer_set(global, caches, target, idx, new_val, is_ref_mut)
.or_else(|e| match *e {
ERR::ErrorIndexingType(..) => Ok((Dynamic::UNIT, false)),
_ => Err(e),
})?;
}
Ok(result)
@ -119,19 +114,19 @@ impl Engine {
// xxx[rhs] op= new_val
_ if new_val.is_some() => {
#[cfg(feature = "debugging")]
self.run_debugger(global, caches, lib, scope, this_ptr, _parent)?;
self.run_debugger(global, caches, scope, this_ptr, _parent)?;
let (new_val, op_info) = new_val.take().expect("`Some`");
let idx_val = &mut idx_values.pop().unwrap();
let idx = &mut idx_val.clone();
let try_setter = match self
.get_indexed_mut(global, caches, lib, target, idx, pos, true, false)
.get_indexed_mut(global, caches, target, idx, pos, true, false)
{
// Indexed value is not a temp value - update directly
Ok(ref mut obj_ptr) => {
self.eval_op_assignment(
global, caches, lib, op_info, obj_ptr, root, new_val,
global, caches, op_info, obj_ptr, root, new_val,
)?;
self.check_data_size(obj_ptr, op_info.pos)?;
None
@ -149,13 +144,12 @@ impl Engine {
let idx = &mut idx_val.clone();
// Call the index getter to get the current value
if let Ok(val) =
self.call_indexer_get(global, caches, lib, target, idx)
if let Ok(val) = self.call_indexer_get(global, caches, target, idx)
{
let mut val = val.into();
// Run the op-assignment
self.eval_op_assignment(
global, caches, lib, op_info, &mut val, root, new_val,
global, caches, op_info, &mut val, root, new_val,
)?;
// Replace new value
new_val = val.take_or_clone();
@ -167,7 +161,7 @@ impl Engine {
let new_val = &mut new_val;
self.call_indexer_set(
global, caches, lib, target, idx_val, new_val, is_ref_mut,
global, caches, target, idx_val, new_val, is_ref_mut,
)?;
}
@ -176,11 +170,11 @@ impl Engine {
// xxx[rhs]
_ => {
#[cfg(feature = "debugging")]
self.run_debugger(global, caches, lib, scope, this_ptr, _parent)?;
self.run_debugger(global, caches, scope, this_ptr, _parent)?;
let idx_val = &mut idx_values.pop().unwrap();
self.get_indexed_mut(global, caches, lib, target, idx_val, pos, false, true)
self.get_indexed_mut(global, caches, target, idx_val, pos, false, true)
.map(|v| (v.take_or_clone(), false))
}
}
@ -197,8 +191,8 @@ impl Engine {
// xxx.fn_name(arg_expr_list)
Expr::MethodCall(x, pos) if !x.is_qualified() && new_val.is_none() => {
#[cfg(feature = "debugging")]
let reset = self
.run_debugger_with_reset(global, caches, lib, scope, this_ptr, rhs)?;
let reset =
self.run_debugger_with_reset(global, caches, scope, this_ptr, rhs)?;
#[cfg(feature = "debugging")]
let global = &mut *RestoreOnDrop::lock(global, move |g| {
g.debugger.reset_status(reset)
@ -217,7 +211,7 @@ impl Engine {
let pos1 = args.get(0).map_or(Position::NONE, Expr::position);
self.make_method_call(
global, caches, lib, name, *hashes, target, call_args, pos1, *pos,
global, caches, name, *hashes, target, call_args, pos1, *pos,
)
}
// xxx.fn_name(...) = ???
@ -231,16 +225,16 @@ impl Engine {
// {xxx:map}.id op= ???
Expr::Property(x, pos) if target.is_map() && new_val.is_some() => {
#[cfg(feature = "debugging")]
self.run_debugger(global, caches, lib, scope, this_ptr, rhs)?;
self.run_debugger(global, caches, scope, this_ptr, rhs)?;
let index = &mut x.2.clone().into();
let (new_val, op_info) = new_val.take().expect("`Some`");
{
let val_target = &mut self.get_indexed_mut(
global, caches, lib, target, index, *pos, true, false,
global, caches, target, index, *pos, true, false,
)?;
self.eval_op_assignment(
global, caches, lib, op_info, val_target, root, new_val,
global, caches, op_info, val_target, root, new_val,
)?;
}
self.check_data_size(target.source(), op_info.pos)?;
@ -249,18 +243,17 @@ impl Engine {
// {xxx:map}.id
Expr::Property(x, pos) if target.is_map() => {
#[cfg(feature = "debugging")]
self.run_debugger(global, caches, lib, scope, this_ptr, rhs)?;
self.run_debugger(global, caches, scope, this_ptr, rhs)?;
let index = &mut x.2.clone().into();
let val = self.get_indexed_mut(
global, caches, lib, target, index, *pos, false, false,
)?;
let val = self
.get_indexed_mut(global, caches, target, index, *pos, false, false)?;
Ok((val.take_or_clone(), false))
}
// xxx.id op= ???
Expr::Property(x, pos) if new_val.is_some() => {
#[cfg(feature = "debugging")]
self.run_debugger(global, caches, lib, scope, this_ptr, rhs)?;
self.run_debugger(global, caches, scope, this_ptr, rhs)?;
let ((getter, hash_get), (setter, hash_set), name) = &**x;
let (mut new_val, op_info) = new_val.take().expect("`Some`");
@ -269,23 +262,18 @@ impl Engine {
let args = &mut [target.as_mut()];
let (mut orig_val, ..) = self
.exec_native_fn_call(
global, caches, lib, getter, None, *hash_get, args, is_ref_mut,
*pos,
global, caches, getter, None, *hash_get, args, is_ref_mut, *pos,
)
.or_else(|err| match *err {
// Try an indexer if property does not exist
ERR::ErrorDotExpr(..) => {
let mut prop = name.into();
self.call_indexer_get(
global, caches, lib, target, &mut prop,
)
.map(|r| (r, false))
.map_err(|e| {
match *e {
self.call_indexer_get(global, caches, target, &mut prop)
.map(|r| (r, false))
.map_err(|e| match *e {
ERR::ErrorIndexingType(..) => err,
_ => e,
}
})
})
}
_ => Err(err),
})?;
@ -294,7 +282,7 @@ impl Engine {
let orig_val = &mut (&mut orig_val).into();
self.eval_op_assignment(
global, caches, lib, op_info, orig_val, root, new_val,
global, caches, op_info, orig_val, root, new_val,
)?;
}
@ -303,7 +291,7 @@ impl Engine {
let args = &mut [target.as_mut(), &mut new_val];
self.exec_native_fn_call(
global, caches, lib, setter, None, *hash_set, args, is_ref_mut, *pos,
global, caches, setter, None, *hash_set, args, is_ref_mut, *pos,
)
.or_else(|err| match *err {
// Try an indexer if property does not exist
@ -311,7 +299,7 @@ impl Engine {
let idx = &mut name.into();
let new_val = &mut new_val;
self.call_indexer_set(
global, caches, lib, target, idx, new_val, is_ref_mut,
global, caches, target, idx, new_val, is_ref_mut,
)
.map_err(|e| match *e {
ERR::ErrorIndexingType(..) => err,
@ -324,19 +312,19 @@ impl Engine {
// xxx.id
Expr::Property(x, pos) => {
#[cfg(feature = "debugging")]
self.run_debugger(global, caches, lib, scope, this_ptr, rhs)?;
self.run_debugger(global, caches, scope, this_ptr, rhs)?;
let ((getter, hash_get), _, name) = &**x;
let args = &mut [target.as_mut()];
self.exec_native_fn_call(
global, caches, lib, getter, None, *hash_get, args, is_ref_mut, *pos,
global, caches, getter, None, *hash_get, args, is_ref_mut, *pos,
)
.map_or_else(
|err| match *err {
// Try an indexer if property does not exist
ERR::ErrorDotExpr(..) => {
let mut prop = name.into();
self.call_indexer_get(global, caches, lib, target, &mut prop)
self.call_indexer_get(global, caches, target, &mut prop)
.map(|r| (r, false))
.map_err(|e| match *e {
ERR::ErrorIndexingType(..) => err,
@ -358,18 +346,18 @@ impl Engine {
let val_target = &mut match x.lhs {
Expr::Property(ref p, pos) => {
#[cfg(feature = "debugging")]
self.run_debugger(global, caches, lib, scope, this_ptr, _node)?;
self.run_debugger(global, caches, scope, this_ptr, _node)?;
let index = &mut p.2.clone().into();
self.get_indexed_mut(
global, caches, lib, target, index, pos, false, true,
global, caches, target, index, pos, false, true,
)?
}
// {xxx:map}.fn_name(arg_expr_list)[expr] | {xxx:map}.fn_name(arg_expr_list).expr
Expr::MethodCall(ref x, pos) if !x.is_qualified() => {
#[cfg(feature = "debugging")]
let reset = self.run_debugger_with_reset(
global, caches, lib, scope, this_ptr, _node,
global, caches, scope, this_ptr, _node,
)?;
#[cfg(feature = "debugging")]
let global = &mut *RestoreOnDrop::lock(global, move |g| {
@ -390,8 +378,7 @@ impl Engine {
let pos1 = args.get(0).map_or(Position::NONE, Expr::position);
self.make_method_call(
global, caches, lib, name, *hashes, target, call_args, pos1,
pos,
global, caches, name, *hashes, target, call_args, pos1, pos,
)?
.0
.into()
@ -406,7 +393,7 @@ impl Engine {
let rhs_chain = rhs.into();
self.eval_dot_index_chain_helper(
global, caches, lib, this_ptr, val_target, root, rhs, *options, &x.rhs,
global, caches, this_ptr, val_target, root, rhs, *options, &x.rhs,
idx_values, rhs_chain, new_val,
)
.map_err(|err| err.fill_position(*x_pos))
@ -419,7 +406,7 @@ impl Engine {
// xxx.prop[expr] | xxx.prop.expr
Expr::Property(ref p, pos) => {
#[cfg(feature = "debugging")]
self.run_debugger(global, caches, lib, scope, this_ptr, _node)?;
self.run_debugger(global, caches, scope, this_ptr, _node)?;
let ((getter, hash_get), (setter, hash_set), name) = &**p;
let rhs_chain = rhs.into();
@ -429,23 +416,19 @@ impl Engine {
// Assume getters are always pure
let (mut val, ..) = self
.exec_native_fn_call(
global, caches, lib, getter, None, *hash_get, args,
is_ref_mut, pos,
global, caches, getter, None, *hash_get, args, is_ref_mut,
pos,
)
.or_else(|err| match *err {
// Try an indexer if property does not exist
ERR::ErrorDotExpr(..) => {
let mut prop = name.into();
self.call_indexer_get(
global, caches, lib, target, &mut prop,
)
.map(|r| (r, false))
.map_err(
|e| match *e {
self.call_indexer_get(global, caches, target, &mut prop)
.map(|r| (r, false))
.map_err(|e| match *e {
ERR::ErrorIndexingType(..) => err,
_ => e,
},
)
})
}
_ => Err(err),
})?;
@ -454,8 +437,8 @@ impl Engine {
let (result, may_be_changed) = self
.eval_dot_index_chain_helper(
global, caches, lib, this_ptr, val, root, rhs, *options,
&x.rhs, idx_values, rhs_chain, new_val,
global, caches, this_ptr, val, root, rhs, *options, &x.rhs,
idx_values, rhs_chain, new_val,
)
.map_err(|err| err.fill_position(*x_pos))?;
@ -465,8 +448,8 @@ impl Engine {
let mut arg_values = [target.as_mut(), val.as_mut()];
let args = &mut arg_values;
self.exec_native_fn_call(
global, caches, lib, setter, None, *hash_set, args,
is_ref_mut, pos,
global, caches, setter, None, *hash_set, args, is_ref_mut,
pos,
)
.or_else(
|err| match *err {
@ -475,7 +458,7 @@ impl Engine {
let idx = &mut name.into();
let new_val = val;
self.call_indexer_set(
global, caches, lib, target, idx, new_val,
global, caches, target, idx, new_val,
is_ref_mut,
)
.or_else(|e| match *e {
@ -499,7 +482,7 @@ impl Engine {
let val = {
#[cfg(feature = "debugging")]
let reset = self.run_debugger_with_reset(
global, caches, lib, scope, this_ptr, _node,
global, caches, scope, this_ptr, _node,
)?;
#[cfg(feature = "debugging")]
let global = &mut *RestoreOnDrop::lock(global, move |g| {
@ -521,8 +504,7 @@ impl Engine {
let pos1 = args.get(0).map_or(Position::NONE, Expr::position);
self.make_method_call(
global, caches, lib, name, *hashes, target, call_args,
pos1, pos,
global, caches, name, *hashes, target, call_args, pos1, pos,
)?
.0
};
@ -531,8 +513,8 @@ impl Engine {
let rhs_chain = rhs.into();
self.eval_dot_index_chain_helper(
global, caches, lib, this_ptr, val, root, rhs, *options,
&x.rhs, idx_values, rhs_chain, new_val,
global, caches, this_ptr, val, root, rhs, *options, &x.rhs,
idx_values, rhs_chain, new_val,
)
.map_err(|err| err.fill_position(pos))
}
@ -556,7 +538,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
this_ptr: &mut Dynamic,
expr: &Expr,
@ -597,7 +578,7 @@ impl Engine {
// All other patterns - evaluate the arguments chain
_ => {
self.eval_dot_index_chain_arguments(
global, caches, lib, scope, this_ptr, rhs, options, chain_type, idx_values,
global, caches, scope, this_ptr, rhs, options, chain_type, idx_values,
)?;
}
}
@ -606,18 +587,18 @@ impl Engine {
// id.??? or id[???]
Expr::Variable(x, .., var_pos) => {
#[cfg(feature = "debugging")]
self.run_debugger(global, caches, lib, scope, this_ptr, lhs)?;
self.run_debugger(global, caches, scope, this_ptr, lhs)?;
self.track_operation(global, *var_pos)?;
let (mut target, ..) =
self.search_namespace(global, caches, lib, scope, this_ptr, lhs)?;
self.search_namespace(global, caches, scope, this_ptr, lhs)?;
let obj_ptr = &mut target;
let root = (x.3.as_str(), *var_pos);
let mut this = Dynamic::NULL;
self.eval_dot_index_chain_helper(
global, caches, lib, &mut this, obj_ptr, root, expr, options, rhs, idx_values,
global, caches, &mut this, obj_ptr, root, expr, options, rhs, idx_values,
chain_type, new_val,
)
}
@ -626,13 +607,13 @@ impl Engine {
// {expr}.??? or {expr}[???]
expr => {
let value = self
.eval_expr(global, caches, lib, scope, this_ptr, expr)?
.eval_expr(global, caches, scope, this_ptr, expr)?
.flatten();
let obj_ptr = &mut value.into();
let root = ("", expr.start_position());
self.eval_dot_index_chain_helper(
global, caches, lib, this_ptr, obj_ptr, root, expr, options, rhs, idx_values,
global, caches, this_ptr, obj_ptr, root, expr, options, rhs, idx_values,
chain_type, new_val,
)
}
@ -646,7 +627,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
this_ptr: &mut Dynamic,
expr: &Expr,
@ -663,7 +643,7 @@ impl Engine {
{
for arg_expr in &x.args {
idx_values.push(
self.get_arg_value(global, caches, lib, scope, this_ptr, arg_expr)?
self.get_arg_value(global, caches, scope, this_ptr, arg_expr)?
.0
.flatten(),
);
@ -697,7 +677,7 @@ impl Engine {
{
for arg_expr in &x.args {
_arg_values.push(
self.get_arg_value(global, caches, lib, scope, this_ptr, arg_expr)?
self.get_arg_value(global, caches, scope, this_ptr, arg_expr)?
.0
.flatten(),
);
@ -714,7 +694,7 @@ impl Engine {
#[cfg(not(feature = "no_index"))]
_ if parent_chain_type == ChainType::Indexing => {
_arg_values.push(
self.eval_expr(global, caches, lib, scope, this_ptr, lhs)?
self.eval_expr(global, caches, scope, this_ptr, lhs)?
.flatten(),
);
}
@ -725,7 +705,7 @@ impl Engine {
let chain_type = expr.into();
self.eval_dot_index_chain_arguments(
global, caches, lib, scope, this_ptr, rhs, *options, chain_type, idx_values,
global, caches, scope, this_ptr, rhs, *options, chain_type, idx_values,
)?;
if !_arg_values.is_empty() {
@ -739,7 +719,7 @@ impl Engine {
}
#[cfg(not(feature = "no_index"))]
_ if parent_chain_type == ChainType::Indexing => idx_values.push(
self.eval_expr(global, caches, lib, scope, this_ptr, expr)?
self.eval_expr(global, caches, scope, this_ptr, expr)?
.flatten(),
),
_ => unreachable!("unknown chained expression: {:?}", expr),
@ -754,7 +734,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
target: &mut Dynamic,
idx: &mut Dynamic,
) -> RhaiResultOf<Dynamic> {
@ -766,7 +745,7 @@ impl Engine {
global.level += 1;
let global = &mut *RestoreOnDrop::lock(global, move |g| g.level -= 1);
self.exec_native_fn_call(global, caches, lib, fn_name, None, hash, args, true, pos)
self.exec_native_fn_call(global, caches, fn_name, None, hash, args, true, pos)
.map(|(r, ..)| r)
}
@ -776,7 +755,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
target: &mut Dynamic,
idx: &mut Dynamic,
new_val: &mut Dynamic,
@ -790,9 +768,7 @@ impl Engine {
global.level += 1;
let global = &mut *RestoreOnDrop::lock(global, move |g| g.level -= 1);
self.exec_native_fn_call(
global, caches, lib, fn_name, None, hash, args, is_ref_mut, pos,
)
self.exec_native_fn_call(global, caches, fn_name, None, hash, args, is_ref_mut, pos)
}
/// Get the value at the indexed position of a base type.
@ -801,7 +777,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
target: &'t mut Dynamic,
idx: &mut Dynamic,
idx_pos: Position,
@ -1010,7 +985,7 @@ impl Engine {
}
_ if use_indexers => self
.call_indexer_get(global, caches, lib, target, idx)
.call_indexer_get(global, caches, target, idx)
.map(Into::into),
_ => Err(ERR::ErrorIndexingType(

16
src/eval/debugger.rs
View File

@ -3,9 +3,7 @@
use super::{Caches, EvalContext, GlobalRuntimeState};
use crate::ast::{ASTNode, Expr, Stmt};
use crate::{
Dynamic, Engine, EvalAltResult, ImmutableString, Position, RhaiResultOf, Scope, SharedModule,
};
use crate::{Dynamic, Engine, EvalAltResult, ImmutableString, Position, RhaiResultOf, Scope};
#[cfg(feature = "no_std")]
use std::prelude::v1::*;
use std::{fmt, iter::repeat, mem};
@ -413,14 +411,13 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
this_ptr: &mut Dynamic,
node: impl Into<ASTNode<'a>>,
) -> RhaiResultOf<()> {
if self.debugger.is_some() {
if let Some(cmd) =
self.run_debugger_with_reset_raw(global, caches, lib, scope, this_ptr, node)?
self.run_debugger_with_reset_raw(global, caches, scope, this_ptr, node)?
{
global.debugger.status = cmd;
}
@ -439,13 +436,12 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
this_ptr: &mut Dynamic,
node: impl Into<ASTNode<'a>>,
) -> RhaiResultOf<Option<DebuggerStatus>> {
if self.debugger.is_some() {
self.run_debugger_with_reset_raw(global, caches, lib, scope, this_ptr, node)
self.run_debugger_with_reset_raw(global, caches, scope, this_ptr, node)
} else {
Ok(None)
}
@ -461,7 +457,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
this_ptr: &mut Dynamic,
node: impl Into<ASTNode<'a>>,
@ -494,7 +489,7 @@ impl Engine {
},
};
self.run_debugger_raw(global, caches, lib, scope, this_ptr, node, event)
self.run_debugger_raw(global, caches, scope, this_ptr, node, event)
}
/// Run the debugger callback unconditionally.
///
@ -507,7 +502,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
this_ptr: &mut Dynamic,
node: ASTNode<'a>,
@ -515,7 +509,7 @@ impl Engine {
) -> Result<Option<DebuggerStatus>, Box<crate::EvalAltResult>> {
let src = global.source_raw().cloned();
let src = src.as_ref().map(|s| s.as_str());
let context = crate::EvalContext::new(self, global, caches, lib, scope, this_ptr);
let context = crate::EvalContext::new(self, global, caches, scope, this_ptr);
if let Some((.., ref on_debugger)) = self.debugger {
let command = on_debugger(context, event, node, src, node.position())?;

22
src/eval/eval_context.rs
View File

@ -17,8 +17,6 @@ pub struct EvalContext<'a, 's, 'ps, 'g, 'c, 't> {
global: &'g mut GlobalRuntimeState,
/// The current [caches][Caches], if available.
caches: &'c mut Caches,
/// The current stack of imported [modules][Module].
lib: &'a [SharedModule],
/// The current bound `this` pointer, if any.
this_ptr: &'t mut Dynamic,
}
@ -31,7 +29,6 @@ impl<'a, 's, 'ps, 'g, 'c, 't> EvalContext<'a, 's, 'ps, 'g, 'c, 't> {
engine: &'a Engine,
global: &'g mut GlobalRuntimeState,
caches: &'c mut Caches,
lib: &'a [SharedModule],
scope: &'s mut Scope<'ps>,
this_ptr: &'t mut Dynamic,
) -> Self {
@ -40,7 +37,6 @@ impl<'a, 's, 'ps, 'g, 'c, 't> EvalContext<'a, 's, 'ps, 'g, 'c, 't> {
scope,
global,
caches,
lib,
this_ptr,
}
}
@ -106,15 +102,15 @@ impl<'a, 's, 'ps, 'g, 'c, 't> EvalContext<'a, 's, 'ps, 'g, 'c, 't> {
/// Get an iterator over the namespaces containing definition of all script-defined functions.
#[inline]
pub fn iter_namespaces(&self) -> impl Iterator<Item = &Module> {
self.lib.iter().map(|m| m.as_ref())
self.global.lib.iter().map(|m| m.as_ref())
}
/// _(internals)_ The current set of namespaces containing definitions of all script-defined functions.
/// Exported under the `internals` feature only.
#[cfg(feature = "internals")]
#[inline(always)]
#[must_use]
pub const fn namespaces(&self) -> &[SharedModule] {
self.lib
pub fn namespaces(&self) -> &[SharedModule] {
&self.global.lib
}
/// The current bound `this` pointer, if any.
#[inline]
@ -181,20 +177,14 @@ impl<'a, 's, 'ps, 'g, 'c, 't> EvalContext<'a, 's, 'ps, 'g, 'c, 't> {
crate::ast::Expr::Stmt(statements) => self.engine.eval_stmt_block(
self.global,
self.caches,
self.lib,
self.scope,
self.this_ptr,
statements,
rewind_scope,
),
_ => self.engine.eval_expr(
self.global,
self.caches,
self.lib,
self.scope,
self.this_ptr,
expr,
),
_ => self
.engine
.eval_expr(self.global, self.caches, self.scope, self.this_ptr, expr),
}
}
}

52
src/eval/expr.rs
View File

@ -51,23 +51,22 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &'s mut Scope,
this_ptr: &'s mut Dynamic,
expr: &Expr,
) -> RhaiResultOf<(Target<'s>, Position)> {
match expr {
Expr::Variable(_, Some(_), _) => {
self.search_scope_only(global, caches, lib, scope, this_ptr, expr)
self.search_scope_only(global, caches, scope, this_ptr, expr)
}
Expr::Variable(v, None, _var_pos) => match &**v {
// Normal variable access
#[cfg(not(feature = "no_module"))]
(_, ns, ..) if ns.is_empty() => {
self.search_scope_only(global, caches, lib, scope, this_ptr, expr)
self.search_scope_only(global, caches, scope, this_ptr, expr)
}
#[cfg(feature = "no_module")]
(_, (), ..) => self.search_scope_only(global, caches, lib, scope, this_ptr, expr),
(_, (), ..) => self.search_scope_only(global, caches, scope, this_ptr, expr),
// Qualified variable access
#[cfg(not(feature = "no_module"))]
@ -134,7 +133,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &'s mut Scope,
this_ptr: &'s mut Dynamic,
expr: &Expr,
@ -155,7 +153,8 @@ impl Engine {
// Scripted function with the same name
#[cfg(not(feature = "no_function"))]
Expr::Variable(v, None, pos)
if lib
if global
.lib
.iter()
.flat_map(|m| m.iter_script_fn())
.any(|(_, _, f, ..)| f == v.3.as_str()) =>
@ -170,7 +169,7 @@ impl Engine {
// Check the variable resolver, if any
if let Some(ref resolve_var) = self.resolve_var {
let context = EvalContext::new(self, global, caches, lib, scope, this_ptr);
let context = EvalContext::new(self, global, caches, scope, this_ptr);
let var_name = expr.get_variable_name(true).expect("`Expr::Variable`");
match resolve_var(var_name, index, context) {
Ok(Some(mut result)) => {
@ -218,7 +217,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
this_ptr: &mut Dynamic,
expr: &Expr,
@ -230,7 +228,7 @@ impl Engine {
// binary operators are also function calls.
if let Expr::FnCall(x, pos) = expr {
#[cfg(feature = "debugging")]
let reset = self.run_debugger_with_reset(global, caches, lib, scope, this_ptr, expr)?;
let reset = self.run_debugger_with_reset(global, caches, scope, this_ptr, expr)?;
#[cfg(feature = "debugging")]
let global = &mut *crate::types::RestoreOnDrop::lock(global, move |g| {
g.debugger.reset_status(reset)
@ -238,7 +236,7 @@ impl Engine {
self.track_operation(global, expr.position())?;
return self.eval_fn_call_expr(global, caches, lib, scope, this_ptr, x, *pos);
return self.eval_fn_call_expr(global, caches, scope, this_ptr, x, *pos);
}
// Then variable access.
@ -246,7 +244,7 @@ impl Engine {
// will cost more than the mis-predicted `match` branch.
if let Expr::Variable(x, index, var_pos) = expr {
#[cfg(feature = "debugging")]
self.run_debugger(global, caches, lib, scope, this_ptr, expr)?;
self.run_debugger(global, caches, scope, this_ptr, expr)?;
self.track_operation(global, expr.position())?;
@ -257,13 +255,13 @@ impl Engine {
Ok(this_ptr.clone())
}
} else {
self.search_namespace(global, caches, lib, scope, this_ptr, expr)
self.search_namespace(global, caches, scope, this_ptr, expr)
.map(|(val, ..)| val.take_or_clone())
};
}
#[cfg(feature = "debugging")]
let reset = self.run_debugger_with_reset(global, caches, lib, scope, this_ptr, expr)?;
let reset = self.run_debugger_with_reset(global, caches, scope, this_ptr, expr)?;
#[cfg(feature = "debugging")]
let global = &mut *crate::types::RestoreOnDrop::lock(global, move |g| {
g.debugger.reset_status(reset)
@ -294,12 +292,12 @@ impl Engine {
.iter()
.try_for_each(|expr| {
let item = self
.eval_expr(global, caches, lib, scope, this_ptr, expr)?
.eval_expr(global, caches, scope, this_ptr, expr)?
.flatten();
op_info.pos = expr.start_position();
self.eval_op_assignment(global, caches, lib, &op_info, target, root, item)
self.eval_op_assignment(global, caches, &op_info, target, root, item)
})
.map(|_| concat.take_or_clone());
@ -316,7 +314,7 @@ impl Engine {
crate::Array::with_capacity(x.len()),
|mut array, item_expr| {
let value = self
.eval_expr(global, caches, lib, scope, this_ptr, item_expr)?
.eval_expr(global, caches, scope, this_ptr, item_expr)?
.flatten();
#[cfg(not(feature = "unchecked"))]
@ -348,7 +346,7 @@ impl Engine {
x.0.iter()
.try_fold(x.1.clone(), |mut map, (key, value_expr)| {
let value = self
.eval_expr(global, caches, lib, scope, this_ptr, value_expr)?
.eval_expr(global, caches, scope, this_ptr, value_expr)?
.flatten();
#[cfg(not(feature = "unchecked"))]
@ -371,30 +369,30 @@ impl Engine {
}
Expr::And(x, ..) => Ok((self
.eval_expr(global, caches, lib, scope, this_ptr, &x.lhs)?
.eval_expr(global, caches, scope, this_ptr, &x.lhs)?
.as_bool()
.map_err(|typ| self.make_type_mismatch_err::<bool>(typ, x.lhs.position()))?
&& self
.eval_expr(global, caches, lib, scope, this_ptr, &x.rhs)?
.eval_expr(global, caches, scope, this_ptr, &x.rhs)?
.as_bool()
.map_err(|typ| self.make_type_mismatch_err::<bool>(typ, x.rhs.position()))?)
.into()),
Expr::Or(x, ..) => Ok((self
.eval_expr(global, caches, lib, scope, this_ptr, &x.lhs)?
.eval_expr(global, caches, scope, this_ptr, &x.lhs)?
.as_bool()
.map_err(|typ| self.make_type_mismatch_err::<bool>(typ, x.lhs.position()))?
|| self
.eval_expr(global, caches, lib, scope, this_ptr, &x.rhs)?
.eval_expr(global, caches, scope, this_ptr, &x.rhs)?
.as_bool()
.map_err(|typ| self.make_type_mismatch_err::<bool>(typ, x.rhs.position()))?)
.into()),
Expr::Coalesce(x, ..) => {
let value = self.eval_expr(global, caches, lib, scope, this_ptr, &x.lhs)?;
let value = self.eval_expr(global, caches, scope, this_ptr, &x.lhs)?;
if value.is_unit() {
self.eval_expr(global, caches, lib, scope, this_ptr, &x.rhs)
self.eval_expr(global, caches, scope, this_ptr, &x.rhs)
} else {
Ok(value)
}
@ -414,7 +412,7 @@ impl Engine {
*pos,
))
})?;
let mut context = EvalContext::new(self, global, caches, lib, scope, this_ptr);
let mut context = EvalContext::new(self, global, caches, scope, this_ptr);
let result = (custom_def.func)(&mut context, &expressions, &custom.state);
@ -422,16 +420,16 @@ impl Engine {
}
Expr::Stmt(x) if x.is_empty() => Ok(Dynamic::UNIT),
Expr::Stmt(x) => self.eval_stmt_block(global, caches, lib, scope, this_ptr, x, true),
Expr::Stmt(x) => self.eval_stmt_block(global, caches, scope, this_ptr, x, true),
#[cfg(not(feature = "no_index"))]
Expr::Index(..) => {
self.eval_dot_index_chain(global, caches, lib, scope, this_ptr, expr, &mut None)
self.eval_dot_index_chain(global, caches, scope, this_ptr, expr, &mut None)
}
#[cfg(not(feature = "no_object"))]
Expr::Dot(..) => {
self.eval_dot_index_chain(global, caches, lib, scope, this_ptr, expr, &mut None)
self.eval_dot_index_chain(global, caches, scope, this_ptr, expr, &mut None)
}
_ => unreachable!("expression cannot be evaluated: {:?}", expr),

60
src/eval/global_state.rs
View File

@ -1,6 +1,6 @@
//! Global runtime state.
use crate::{Dynamic, Engine, ImmutableString};
use crate::{Dynamic, Engine, ImmutableString, SharedModule, StaticVec};
use std::fmt;
#[cfg(feature = "no_std")]
use std::prelude::v1::*;
@ -25,10 +25,12 @@ pub type GlobalConstants =
pub struct GlobalRuntimeState {
/// Names of imported [modules][crate::Module].
#[cfg(not(feature = "no_module"))]
imports: crate::StaticVec<ImmutableString>,
imports: StaticVec<ImmutableString>,
/// Stack of imported [modules][crate::Module].
#[cfg(not(feature = "no_module"))]
modules: crate::StaticVec<crate::SharedModule>,
modules: StaticVec<SharedModule>,
/// The current stack of loaded [modules][Module].
pub lib: StaticVec<SharedModule>,
/// Source of the current context.
///
/// No source if the string is empty.
@ -81,9 +83,10 @@ impl GlobalRuntimeState {
pub fn new(engine: &Engine) -> Self {
Self {
#[cfg(not(feature = "no_module"))]
imports: crate::StaticVec::new_const(),
imports: StaticVec::new_const(),
#[cfg(not(feature = "no_module"))]
modules: crate::StaticVec::new_const(),
modules: StaticVec::new_const(),
lib: StaticVec::new_const(),
source: None,
num_operations: 0,
#[cfg(not(feature = "no_module"))]
@ -130,7 +133,7 @@ impl GlobalRuntimeState {
#[cfg(not(feature = "no_module"))]
#[inline(always)]
#[must_use]
pub fn get_shared_import(&self, index: usize) -> Option<crate::SharedModule> {
pub fn get_shared_import(&self, index: usize) -> Option<SharedModule> {
self.modules.get(index).cloned()
}
/// Get a mutable reference to the globally-imported [module][crate::Module] at a
@ -141,10 +144,7 @@ impl GlobalRuntimeState {
#[allow(dead_code)]
#[inline(always)]
#[must_use]
pub(crate) fn get_shared_import_mut(
&mut self,
index: usize,
) -> Option<&mut crate::SharedModule> {
pub(crate) fn get_shared_import_mut(&mut self, index: usize) -> Option<&mut SharedModule> {
self.modules.get_mut(index)
}
/// Get the index of a globally-imported [module][crate::Module] by name.
@ -168,7 +168,7 @@ impl GlobalRuntimeState {
pub fn push_import(
&mut self,
name: impl Into<ImmutableString>,
module: impl Into<crate::SharedModule>,
module: impl Into<SharedModule>,
) {
self.imports.push(name.into());
self.modules.push(module.into());
@ -201,7 +201,7 @@ impl GlobalRuntimeState {
#[inline]
pub(crate) fn iter_imports_raw(
&self,
) -> impl Iterator<Item = (&ImmutableString, &crate::SharedModule)> {
) -> impl Iterator<Item = (&ImmutableString, &SharedModule)> {
self.imports.iter().zip(self.modules.iter()).rev()
}
/// Get an iterator to the stack of globally-imported [modules][crate::Module] in forward order.
@ -209,9 +209,7 @@ impl GlobalRuntimeState {
/// Not available under `no_module`.
#[cfg(not(feature = "no_module"))]
#[inline]
pub fn scan_imports_raw(
&self,
) -> impl Iterator<Item = (&ImmutableString, &crate::SharedModule)> {
pub fn scan_imports_raw(&self) -> impl Iterator<Item = (&ImmutableString, &SharedModule)> {
self.imports.iter().zip(self.modules.iter())
}
/// Can the particular function with [`Dynamic`] parameter(s) exist in the stack of
@ -318,37 +316,7 @@ impl GlobalRuntimeState {
}
#[cfg(not(feature = "no_module"))]
impl IntoIterator for GlobalRuntimeState {
type Item = (ImmutableString, crate::SharedModule);
type IntoIter = std::iter::Rev<
std::iter::Zip<
smallvec::IntoIter<[ImmutableString; crate::STATIC_VEC_INLINE_SIZE]>,
smallvec::IntoIter<[crate::SharedModule; crate::STATIC_VEC_INLINE_SIZE]>,
>,
>;
fn into_iter(self) -> Self::IntoIter {
self.imports.into_iter().zip(self.modules.into_iter()).rev()
}
}
#[cfg(not(feature = "no_module"))]
impl<'a> IntoIterator for &'a GlobalRuntimeState {
type Item = (&'a ImmutableString, &'a crate::SharedModule);
type IntoIter = std::iter::Rev<
std::iter::Zip<
std::slice::Iter<'a, ImmutableString>,
std::slice::Iter<'a, crate::SharedModule>,
>,
>;
fn into_iter(self) -> Self::IntoIter {
self.imports.iter().zip(self.modules.iter()).rev()
}
}
#[cfg(not(feature = "no_module"))]
impl<K: Into<ImmutableString>, M: Into<crate::SharedModule>> Extend<(K, M)> for GlobalRuntimeState {
impl<K: Into<ImmutableString>, M: Into<SharedModule>> Extend<(K, M)> for GlobalRuntimeState {
#[inline]
fn extend<T: IntoIterator<Item = (K, M)>>(&mut self, iter: T) {
for (k, m) in iter {

130
src/eval/stmt.rs
View File

@ -9,8 +9,7 @@ use crate::func::{get_builtin_op_assignment_fn, get_hasher};
use crate::types::dynamic::AccessMode;
use crate::types::RestoreOnDrop;
use crate::{
Dynamic, Engine, ImmutableString, Position, RhaiResult, RhaiResultOf, Scope, SharedModule, ERR,
INT,
Dynamic, Engine, ImmutableString, Position, RhaiResult, RhaiResultOf, Scope, ERR, INT,
};
use std::hash::{Hash, Hasher};
#[cfg(feature = "no_std")]
@ -29,7 +28,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
this_ptr: &mut Dynamic,
statements: &[Stmt],
@ -76,15 +74,8 @@ impl Engine {
#[cfg(not(feature = "no_module"))]
let imports_len = global.num_imports();
let result = self.eval_stmt(
global,
caches,
lib,
scope,
this_ptr,
stmt,
restore_orig_state,
)?;
let result =
self.eval_stmt(global, caches, scope, this_ptr, stmt, restore_orig_state)?;
#[cfg(not(feature = "no_module"))]
if matches!(stmt, Stmt::Import(..)) {
@ -120,7 +111,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
op_info: &OpAssignment,
target: &mut Target,
root: (&str, Position),
@ -154,7 +144,7 @@ impl Engine {
global.level += 1;
let global = &*RestoreOnDrop::lock(global, move |g| g.level -= 1);
let context = (self, op, None, global, lib, *op_pos).into();
let context = (self, op, None, global, *op_pos).into();
return func(context, args).map(|_| ());
}
}
@ -163,9 +153,9 @@ impl Engine {
let op = op_token.literal_syntax();
let token = Some(op_assign_token);
match self.exec_native_fn_call(
global, caches, lib, op_assign, token, hash, args, true, *op_pos,
) {
match self
.exec_native_fn_call(global, caches, op_assign, token, hash, args, true, *op_pos)
{
Ok(_) => (),
Err(err) if matches!(*err, ERR::ErrorFunctionNotFound(ref f, ..) if f.starts_with(op_assign)) =>
{
@ -174,7 +164,7 @@ impl Engine {
*args[0] = self
.exec_native_fn_call(
global, caches, lib, op, token, *hash_op, args, true, *op_pos,
global, caches, op, token, *hash_op, args, true, *op_pos,
)
.map_err(|err| err.fill_position(op_info.pos))?
.0;
@ -210,14 +200,13 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
this_ptr: &mut Dynamic,
stmt: &Stmt,
rewind_scope: bool,
) -> RhaiResult {
#[cfg(feature = "debugging")]
let reset = self.run_debugger_with_reset(global, caches, lib, scope, this_ptr, stmt)?;
let reset = self.run_debugger_with_reset(global, caches, scope, this_ptr, stmt)?;
#[cfg(feature = "debugging")]
let global = &mut *RestoreOnDrop::lock(global, move |g| g.debugger.reset_status(reset));
@ -228,7 +217,7 @@ impl Engine {
if let Stmt::FnCall(x, pos) = stmt {
self.track_operation(global, stmt.position())?;
return self.eval_fn_call_expr(global, caches, lib, scope, this_ptr, x, *pos);
return self.eval_fn_call_expr(global, caches, scope, this_ptr, x, *pos);
}
// Then assignments.
@ -241,11 +230,11 @@ impl Engine {
if let Expr::Variable(x, ..) = lhs {
let rhs_val = self
.eval_expr(global, caches, lib, scope, this_ptr, rhs)?
.eval_expr(global, caches, scope, this_ptr, rhs)?
.flatten();
let (mut lhs_ptr, pos) =
self.search_namespace(global, caches, lib, scope, this_ptr, lhs)?;
self.search_namespace(global, caches, scope, this_ptr, lhs)?;
let var_name = x.3.as_str();
@ -266,7 +255,7 @@ impl Engine {
let root = (var_name, pos);
let lhs_ptr = &mut lhs_ptr;
self.eval_op_assignment(global, caches, lib, op_info, lhs_ptr, root, rhs_val)?;
self.eval_op_assignment(global, caches, op_info, lhs_ptr, root, rhs_val)?;
return Ok(Dynamic::UNIT);
}
@ -274,7 +263,7 @@ impl Engine {
#[cfg(any(not(feature = "no_index"), not(feature = "no_object")))]
{
let mut rhs_val = self
.eval_expr(global, caches, lib, scope, this_ptr, rhs)?
.eval_expr(global, caches, scope, this_ptr, rhs)?
.flatten();
// If value is a string, intern it
@ -293,12 +282,14 @@ impl Engine {
}
// idx_lhs[idx_expr] op= rhs
#[cfg(not(feature = "no_index"))]
Expr::Index(..) => self
.eval_dot_index_chain(global, caches, lib, scope, this_ptr, lhs, _new_val),
Expr::Index(..) => {
self.eval_dot_index_chain(global, caches, scope, this_ptr, lhs, _new_val)
}
// dot_lhs.dot_rhs op= rhs
#[cfg(not(feature = "no_object"))]
Expr::Dot(..) => self
.eval_dot_index_chain(global, caches, lib, scope, this_ptr, lhs, _new_val),
Expr::Dot(..) => {
self.eval_dot_index_chain(global, caches, scope, this_ptr, lhs, _new_val)
}
_ => unreachable!("cannot assign to expression: {:?}", lhs),
}?;
@ -314,13 +305,13 @@ impl Engine {
// Expression as statement
Stmt::Expr(expr) => self
.eval_expr(global, caches, lib, scope, this_ptr, expr)
.eval_expr(global, caches, scope, this_ptr, expr)
.map(Dynamic::flatten),
// Block scope
Stmt::Block(statements, ..) if statements.is_empty() => Ok(Dynamic::UNIT),
Stmt::Block(statements, ..) => {
self.eval_stmt_block(global, caches, lib, scope, this_ptr, statements, true)
self.eval_stmt_block(global, caches, scope, this_ptr, statements, true)
}
// If statement
@ -328,14 +319,14 @@ impl Engine {
let (expr, if_block, else_block) = &**x;
let guard_val = self
.eval_expr(global, caches, lib, scope, this_ptr, expr)?
.eval_expr(global, caches, scope, this_ptr, expr)?
.as_bool()
.map_err(|typ| self.make_type_mismatch_err::<bool>(typ, expr.position()))?;
if guard_val && !if_block.is_empty() {
self.eval_stmt_block(global, caches, lib, scope, this_ptr, if_block, true)
self.eval_stmt_block(global, caches, scope, this_ptr, if_block, true)
} else if !guard_val && !else_block.is_empty() {
self.eval_stmt_block(global, caches, lib, scope, this_ptr, else_block, true)
self.eval_stmt_block(global, caches, scope, this_ptr, else_block, true)
} else {
Ok(Dynamic::UNIT)
}
@ -355,7 +346,7 @@ impl Engine {
let mut result = None;
let value = self.eval_expr(global, caches, lib, scope, this_ptr, expr)?;
let value = self.eval_expr(global, caches, scope, this_ptr, expr)?;
if value.is_hashable() {
let hasher = &mut get_hasher();
@ -372,7 +363,7 @@ impl Engine {
let cond_result = match block.condition {
Expr::BoolConstant(b, ..) => b,
ref c => self
.eval_expr(global, caches, lib, scope, this_ptr, c)?
.eval_expr(global, caches, scope, this_ptr, c)?
.as_bool()
.map_err(|typ| {
self.make_type_mismatch_err::<bool>(typ, c.position())
@ -394,7 +385,7 @@ impl Engine {
let cond_result = match block.condition {
Expr::BoolConstant(b, ..) => b,
ref c => self
.eval_expr(global, caches, lib, scope, this_ptr, c)?
.eval_expr(global, caches, scope, this_ptr, c)?
.as_bool()
.map_err(|typ| {
self.make_type_mismatch_err::<bool>(typ, c.position())
@ -412,7 +403,7 @@ impl Engine {
result
.or_else(|| def_case.as_ref().map(|&index| &expressions[index].expr))
.map_or(Ok(Dynamic::UNIT), |expr| {
self.eval_expr(global, caches, lib, scope, this_ptr, expr)
self.eval_expr(global, caches, scope, this_ptr, expr)
})
}
@ -428,7 +419,7 @@ impl Engine {
loop {
if let Err(err) =
self.eval_stmt_block(global, caches, lib, scope, this_ptr, body, true)
self.eval_stmt_block(global, caches, scope, this_ptr, body, true)
{
match *err {
ERR::LoopBreak(false, ..) => (),
@ -445,7 +436,7 @@ impl Engine {
loop {
let condition = self
.eval_expr(global, caches, lib, scope, this_ptr, expr)?
.eval_expr(global, caches, scope, this_ptr, expr)?
.as_bool()
.map_err(|typ| self.make_type_mismatch_err::<bool>(typ, expr.position()))?;
@ -458,7 +449,7 @@ impl Engine {
}
if let Err(err) =
self.eval_stmt_block(global, caches, lib, scope, this_ptr, body, true)
self.eval_stmt_block(global, caches, scope, this_ptr, body, true)
{
match *err {
ERR::LoopBreak(false, ..) => (),
@ -477,7 +468,7 @@ impl Engine {
loop {
if !body.is_empty() {
if let Err(err) =
self.eval_stmt_block(global, caches, lib, scope, this_ptr, body, true)
self.eval_stmt_block(global, caches, scope, this_ptr, body, true)
{
match *err {
ERR::LoopBreak(false, ..) => continue,
@ -488,7 +479,7 @@ impl Engine {
}
let condition = self
.eval_expr(global, caches, lib, scope, this_ptr, expr)?
.eval_expr(global, caches, scope, this_ptr, expr)?
.as_bool()
.map_err(|typ| self.make_type_mismatch_err::<bool>(typ, expr.position()))?;
@ -503,7 +494,7 @@ impl Engine {
let (var_name, counter, expr, statements) = &**x;
let iter_obj = self
.eval_expr(global, caches, lib, scope, this_ptr, expr)?
.eval_expr(global, caches, scope, this_ptr, expr)?
.flatten();
let iter_type = iter_obj.type_id();
@ -582,9 +573,7 @@ impl Engine {
continue;
}
match self
.eval_stmt_block(global, caches, lib, scope, this_ptr, statements, true)
{
match self.eval_stmt_block(global, caches, scope, this_ptr, statements, true) {
Ok(_) => (),
Err(err) => match *err {
ERR::LoopBreak(false, ..) => (),
@ -605,7 +594,7 @@ impl Engine {
let is_break = options.contains(ASTFlags::BREAK);
let value = if let Some(ref expr) = expr {
self.eval_expr(global, caches, lib, scope, this_ptr, expr)?
self.eval_expr(global, caches, scope, this_ptr, expr)?
} else {
Dynamic::UNIT
};
@ -624,7 +613,7 @@ impl Engine {
catch_block,
} = &**x;
match self.eval_stmt_block(global, caches, lib, scope, this_ptr, try_block, true) {
match self.eval_stmt_block(global, caches, scope, this_ptr, try_block, true) {
r @ Ok(_) => r,
Err(err) if err.is_pseudo_error() => Err(err),
Err(err) if !err.is_catchable() => Err(err),
@ -675,31 +664,23 @@ impl Engine {
scope.push(catch_var.clone(), err_value);
}
self.eval_stmt_block(
global,
caches,
lib,
scope,
this_ptr,
catch_block,
true,
)
.map(|_| Dynamic::UNIT)
.map_err(|result_err| match *result_err {
// Re-throw exception
ERR::ErrorRuntime(v, pos) if v.is_unit() => {
err.set_position(pos);
err
}
_ => result_err,
})
self.eval_stmt_block(global, caches, scope, this_ptr, catch_block, true)
.map(|_| Dynamic::UNIT)
.map_err(|result_err| match *result_err {
// Re-throw exception
ERR::ErrorRuntime(v, pos) if v.is_unit() => {
err.set_position(pos);
err
}
_ => result_err,
})
}
}
}
// Throw value
Stmt::Return(Some(expr), options, pos) if options.contains(ASTFlags::BREAK) => self
.eval_expr(global, caches, lib, scope, this_ptr, expr)
.eval_expr(global, caches, scope, this_ptr, expr)
.and_then(|v| Err(ERR::ErrorRuntime(v.flatten(), *pos).into())),
// Empty throw
@ -709,7 +690,7 @@ impl Engine {
// Return value
Stmt::Return(Some(expr), .., pos) => self
.eval_expr(global, caches, lib, scope, this_ptr, expr)
.eval_expr(global, caches, scope, this_ptr, expr)
.and_then(|v| Err(ERR::Return(v.flatten(), *pos).into())),
// Empty return
@ -740,7 +721,7 @@ impl Engine {
nesting_level: global.scope_level,
will_shadow,
};
let context = EvalContext::new(self, global, caches, lib, scope, this_ptr);
let context = EvalContext::new(self, global, caches, scope, this_ptr);
if !filter(true, info, context)? {
return Err(ERR::ErrorForbiddenVariable(var_name.to_string(), *pos).into());
@ -749,7 +730,7 @@ impl Engine {
// Evaluate initial value
let mut value = self
.eval_expr(global, caches, lib, scope, this_ptr, expr)?
.eval_expr(global, caches, scope, this_ptr, expr)?
.flatten();
let _alias = if !rewind_scope {
@ -758,7 +739,7 @@ impl Engine {
#[cfg(not(feature = "no_module"))]
if global.scope_level == 0
&& access == AccessMode::ReadOnly
&& lib.iter().any(|m| !m.is_empty())
&& global.lib.iter().any(|m| !m.is_empty())
{
crate::func::locked_write(global.constants.get_or_insert_with(|| {
crate::Shared::new(
@ -804,7 +785,7 @@ impl Engine {
return Err(ERR::ErrorTooManyModules(*_pos).into());
}
let v = self.eval_expr(global, caches, lib, scope, this_ptr, expr)?;
let v = self.eval_expr(global, caches, scope, this_ptr, expr)?;
let typ = v.type_name();
let path = v.try_cast::<ImmutableString>().ok_or_else(|| {
self.make_type_mismatch_err::<ImmutableString>(typ, expr.position())
@ -900,13 +881,12 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
statements: &[Stmt],
) -> RhaiResult {
let mut this = Dynamic::NULL;
self.eval_stmt_block(global, caches, lib, scope, &mut this, statements, false)
self.eval_stmt_block(global, caches, scope, &mut this, statements, false)
.or_else(|err| match *err {
ERR::Return(out, ..) => Ok(out),
ERR::LoopBreak(..) => {

121
src/func/call.rs
View File

@ -12,7 +12,7 @@ use crate::tokenizer::{is_valid_function_name, Token};
use crate::types::RestoreOnDrop;
use crate::{
calc_fn_hash, calc_fn_hash_full, Dynamic, Engine, FnArgsVec, FnPtr, ImmutableString,
OptimizationLevel, Position, RhaiError, RhaiResult, RhaiResultOf, Scope, SharedModule, ERR,
OptimizationLevel, Position, RhaiError, RhaiResult, RhaiResultOf, Scope, ERR,
};
#[cfg(feature = "no_std")]
use hashbrown::hash_map::Entry;
@ -166,10 +166,9 @@ impl Engine {
#[must_use]
fn resolve_fn<'s>(
&self,
_global: &GlobalRuntimeState,
global: &GlobalRuntimeState,
caches: &'s mut Caches,
local_entry: &'s mut Option<FnResolutionCacheEntry>,
lib: &[SharedModule],
op_token: Option<&Token>,
hash_base: u64,
args: Option<&mut FnCallArgs>,
@ -194,8 +193,10 @@ impl Engine {
let mut bitmask = 1usize; // Bitmask of which parameter to replace with `Dynamic`
loop {
let func = lib
let func = global
.lib
.iter()
.rev()
.chain(self.global_modules.iter())
.find_map(|m| m.get_fn(hash).map(|f| (f, m.id_raw())));
@ -204,7 +205,7 @@ impl Engine {
// Scripted functions are not exposed globally
func
} else {
func.or_else(|| _global.get_qualified_fn(hash)).or_else(|| {
func.or_else(|| global.get_qualified_fn(hash)).or_else(|| {
self.global_sub_modules
.values()
.find_map(|m| m.get_qualified_fn(hash).map(|f| (f, m.id_raw())))
@ -229,7 +230,10 @@ impl Engine {
// Check `Dynamic` parameters for functions with parameters
if allow_dynamic && max_bitmask == 0 && num_args > 0 {
let is_dynamic = lib.iter().any(|m| m.may_contain_dynamic_fn(hash_base))
let is_dynamic = global
.lib
.iter()
.any(|m| m.may_contain_dynamic_fn(hash_base))
|| self
.global_modules
.iter()
@ -237,7 +241,7 @@ impl Engine {
#[cfg(not(feature = "no_module"))]
let is_dynamic = is_dynamic
|| _global.may_contain_dynamic_fn(hash_base)
|| global.may_contain_dynamic_fn(hash_base)
|| self
.global_sub_modules
.values()
@ -325,7 +329,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
name: &str,
op_token: Option<&Token>,
hash: u64,
@ -342,7 +345,6 @@ impl Engine {
global,
caches,
local_entry,
lib,
op_token,
hash,
Some(args),
@ -384,7 +386,7 @@ impl Engine {
// Run external function
let src = source.as_ref().map(|s| s.as_str());
let context = (self, name, src, &*global, lib, pos).into();
let context = (self, name, src, &*global, pos).into();
let mut _result = if func.is_plugin_fn() {
let f = func.get_plugin_fn().unwrap();
@ -415,7 +417,7 @@ impl Engine {
};
if let Err(err) =
self.run_debugger_raw(global, caches, lib, scope, &mut this, node, event)
self.run_debugger_raw(global, caches, scope, &mut this, node, event)
{
_result = Err(err);
}
@ -537,7 +539,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
_scope: Option<&mut Scope>,
fn_name: &str,
op_token: Option<&Token>,
@ -585,7 +586,7 @@ impl Engine {
} else {
let hash_script =
calc_fn_hash(None, fn_name.as_str(), num_params as usize);
self.has_script_fn(global, caches, lib, hash_script)
self.has_script_fn(global, caches, hash_script)
}
.into(),
false,
@ -617,7 +618,7 @@ impl Engine {
let local_entry = &mut None;
if let Some(FnResolutionCacheEntry { func, ref source }) = self
.resolve_fn(global, caches, local_entry, lib, None, hash, None, false)
.resolve_fn(global, caches, local_entry, None, hash, None, false)
.cloned()
{
// Script function call
@ -646,7 +647,7 @@ impl Engine {
let (first_arg, rest_args) = args.split_first_mut().unwrap();
self.call_script_fn(
global, caches, lib, scope, first_arg, func, rest_args, true, pos,
global, caches, scope, first_arg, func, rest_args, true, pos,
)
} else {
// Normal call of script function
@ -665,9 +666,7 @@ impl Engine {
let mut this = Dynamic::NULL;
self.call_script_fn(
global, caches, lib, scope, &mut this, func, args, true, pos,
)
self.call_script_fn(global, caches, scope, &mut this, func, args, true, pos)
}
.map(|r| (r, false));
}
@ -677,7 +676,7 @@ impl Engine {
let hash = hashes.native();
self.exec_native_fn_call(
global, caches, lib, fn_name, op_token, hash, args, is_ref_mut, pos,
global, caches, fn_name, op_token, hash, args, is_ref_mut, pos,
)
}
@ -687,7 +686,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
this_ptr: &mut Dynamic,
arg_expr: &Expr,
@ -697,7 +695,7 @@ impl Engine {
self.track_operation(global, arg_expr.start_position())?;
#[cfg(feature = "debugging")]
self.run_debugger(global, caches, lib, scope, this_ptr, arg_expr)?;
self.run_debugger(global, caches, scope, this_ptr, arg_expr)?;
return Ok((value, arg_expr.start_position()));
}
@ -710,7 +708,7 @@ impl Engine {
#[cfg(feature = "debugging")]
let global = &mut *RestoreOnDrop::lock(global, move |g| g.debugger.reset_status(reset));
self.eval_expr(global, caches, lib, scope, this_ptr, arg_expr)
self.eval_expr(global, caches, scope, this_ptr, arg_expr)
.map(|r| (r, arg_expr.start_position()))
}
@ -720,7 +718,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
fn_name: &str,
mut hash: FnCallHashes,
target: &mut crate::eval::Target,
@ -760,7 +757,6 @@ impl Engine {
self.exec_fn_call(
global,
caches,
lib,
None,
fn_name,
None,
@ -815,7 +811,6 @@ impl Engine {
self.exec_fn_call(
global,
caches,
lib,
None,
&fn_name,
None,
@ -915,7 +910,6 @@ impl Engine {
self.exec_fn_call(
global,
caches,
lib,
None,
fn_name,
None,
@ -941,7 +935,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
this_ptr: &mut Dynamic,
fn_name: &str,
@ -967,7 +960,7 @@ impl Engine {
KEYWORD_FN_PTR_CALL if total_args >= 1 => {
let arg = first_arg.unwrap();
let (arg_value, arg_pos) =
self.get_arg_value(global, caches, lib, scope, this_ptr, arg)?;
self.get_arg_value(global, caches, scope, this_ptr, arg)?;
if !arg_value.is_fnptr() {
let typ = self.map_type_name(arg_value.type_name());
@ -1008,7 +1001,7 @@ impl Engine {
KEYWORD_FN_PTR if total_args == 1 => {
let arg = first_arg.unwrap();
let (arg_value, arg_pos) =
self.get_arg_value(global, caches, lib, scope, this_ptr, arg)?;
self.get_arg_value(global, caches, scope, this_ptr, arg)?;
// Fn - only in function call style
return arg_value
@ -1023,7 +1016,7 @@ impl Engine {
KEYWORD_FN_PTR_CURRY if total_args > 1 => {
let first = first_arg.unwrap();
let (arg_value, arg_pos) =
self.get_arg_value(global, caches, lib, scope, this_ptr, first)?;
self.get_arg_value(global, caches, scope, this_ptr, first)?;
if !arg_value.is_fnptr() {
let typ = self.map_type_name(arg_value.type_name());
@ -1034,8 +1027,7 @@ impl Engine {
// Append the new curried arguments to the existing list.
let fn_curry = a_expr.iter().try_fold(fn_curry, |mut curried, expr| {
let (value, ..) =
self.get_arg_value(global, caches, lib, scope, this_ptr, expr)?;
let (value, ..) = self.get_arg_value(global, caches, scope, this_ptr, expr)?;
curried.push(value);
Ok::<_, RhaiError>(curried)
})?;
@ -1047,8 +1039,7 @@ impl Engine {
#[cfg(not(feature = "no_closure"))]
crate::engine::KEYWORD_IS_SHARED if total_args == 1 => {
let arg = first_arg.unwrap();
let (arg_value, ..) =
self.get_arg_value(global, caches, lib, scope, this_ptr, arg)?;
let (arg_value, ..) = self.get_arg_value(global, caches, scope, this_ptr, arg)?;
return Ok(arg_value.is_shared().into());
}
@ -1057,14 +1048,14 @@ impl Engine {
crate::engine::KEYWORD_IS_DEF_FN if total_args == 2 => {
let first = first_arg.unwrap();
let (arg_value, arg_pos) =
self.get_arg_value(global, caches, lib, scope, this_ptr, first)?;
self.get_arg_value(global, caches, scope, this_ptr, first)?;
let fn_name = arg_value
.into_immutable_string()
.map_err(|typ| self.make_type_mismatch_err::<ImmutableString>(typ, arg_pos))?;
let (arg_value, arg_pos) =
self.get_arg_value(global, caches, lib, scope, this_ptr, &a_expr[0])?;
self.get_arg_value(global, caches, scope, this_ptr, &a_expr[0])?;
let num_params = arg_value
.as_int()
@ -1074,7 +1065,7 @@ impl Engine {
false
} else {
let hash_script = calc_fn_hash(None, &fn_name, num_params as usize);
self.has_script_fn(global, caches, lib, hash_script)
self.has_script_fn(global, caches, hash_script)
}
.into());
}
@ -1083,7 +1074,7 @@ impl Engine {
KEYWORD_IS_DEF_VAR if total_args == 1 => {
let arg = first_arg.unwrap();
let (arg_value, arg_pos) =
self.get_arg_value(global, caches, lib, scope, this_ptr, arg)?;
self.get_arg_value(global, caches, scope, this_ptr, arg)?;
let var_name = arg_value
.into_immutable_string()
.map_err(|typ| self.make_type_mismatch_err::<ImmutableString>(typ, arg_pos))?;
@ -1097,8 +1088,7 @@ impl Engine {
#[cfg(not(feature = "no_module"))]
let orig_imports_len = global.num_imports();
let arg = first_arg.unwrap();
let (arg_value, pos) =
self.get_arg_value(global, caches, lib, scope, this_ptr, arg)?;
let (arg_value, pos) = self.get_arg_value(global, caches, scope, this_ptr, arg)?;
let s = &arg_value
.into_immutable_string()
.map_err(|typ| self.make_type_mismatch_err::<ImmutableString>(typ, pos))?;
@ -1106,7 +1096,7 @@ impl Engine {
global.level += 1;
let global = &mut *RestoreOnDrop::lock(global, move |g| g.level -= 1);
let result = self.eval_script_expr_in_place(global, caches, lib, scope, s, pos);
let result = self.eval_script_expr_in_place(global, caches, scope, s, pos);
// IMPORTANT! If the eval defines new variables in the current scope,
// all variable offsets from this point on will be mis-aligned.
@ -1148,7 +1138,7 @@ impl Engine {
.copied()
.chain(a_expr.iter())
.try_for_each(|expr| {
self.get_arg_value(global, caches, lib, scope, this_ptr, expr)
self.get_arg_value(global, caches, scope, this_ptr, expr)
.map(|(value, ..)| arg_values.push(value.flatten()))
})?;
args.extend(curry.iter_mut());
@ -1159,8 +1149,8 @@ impl Engine {
return self
.exec_fn_call(
global, caches, lib, scope, name, op_token, hashes, &mut args, is_ref_mut,
false, pos,
global, caches, scope, name, op_token, hashes, &mut args, is_ref_mut, false,
pos,
)
.map(|(v, ..)| v);
}
@ -1176,16 +1166,16 @@ impl Engine {
let first_expr = first_arg.unwrap();
#[cfg(feature = "debugging")]
self.run_debugger(global, caches, lib, scope, this_ptr, first_expr)?;
self.run_debugger(global, caches, scope, this_ptr, first_expr)?;
// func(x, ...) -> x.func(...)
a_expr.iter().try_for_each(|expr| {
self.get_arg_value(global, caches, lib, scope, this_ptr, expr)
self.get_arg_value(global, caches, scope, this_ptr, expr)
.map(|(value, ..)| arg_values.push(value.flatten()))
})?;
let (mut target, _pos) =
self.search_namespace(global, caches, lib, scope, this_ptr, first_expr)?;
self.search_namespace(global, caches, scope, this_ptr, first_expr)?;
if target.is_read_only() {
target = target.into_owned();
@ -1212,7 +1202,7 @@ impl Engine {
.into_iter()
.chain(a_expr.iter())
.try_for_each(|expr| {
self.get_arg_value(global, caches, lib, scope, this_ptr, expr)
self.get_arg_value(global, caches, scope, this_ptr, expr)
.map(|(value, ..)| arg_values.push(value.flatten()))
})?;
args.extend(curry.iter_mut());
@ -1222,7 +1212,7 @@ impl Engine {
}
self.exec_fn_call(
global, caches, lib, None, name, op_token, hashes, &mut args, is_ref_mut, false, pos,
global, caches, None, name, op_token, hashes, &mut args, is_ref_mut, false, pos,
)
.map(|(v, ..)| v)
}
@ -1233,7 +1223,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
this_ptr: &mut Dynamic,
namespace: &crate::ast::Namespace,
@ -1254,20 +1243,20 @@ impl Engine {
// and avoid cloning the value
if !args_expr.is_empty() && args_expr[0].is_variable_access(true) {
#[cfg(feature = "debugging")]
self.run_debugger(global, caches, lib, scope, this_ptr, &args_expr[0])?;
self.run_debugger(global, caches, scope, this_ptr, &args_expr[0])?;
// func(x, ...) -> x.func(...)
arg_values.push(Dynamic::UNIT);
args_expr.iter().skip(1).try_for_each(|expr| {
self.get_arg_value(global, caches, lib, scope, this_ptr, expr)
self.get_arg_value(global, caches, scope, this_ptr, expr)
.map(|(value, ..)| arg_values.push(value.flatten()))
})?;
// Get target reference to first argument
let first_arg = &args_expr[0];
let (target, _pos) =
self.search_scope_only(global, caches, lib, scope, this_ptr, first_arg)?;
self.search_scope_only(global, caches, scope, this_ptr, first_arg)?;
self.track_operation(global, _pos)?;
@ -1290,7 +1279,7 @@ impl Engine {
} else {
// func(..., ...) or func(mod::x, ...)
args_expr.iter().try_for_each(|expr| {
self.get_arg_value(global, caches, lib, scope, this_ptr, expr)
self.get_arg_value(global, caches, scope, this_ptr, expr)
.map(|(value, ..)| arg_values.push(value.flatten()))
})?;
args.extend(arg_values.iter_mut());
@ -1371,12 +1360,12 @@ impl Engine {
let global = &mut *RestoreOnDrop::lock(global, move |g| g.source = orig_source);
self.call_script_fn(
global, caches, lib, new_scope, &mut this, fn_def, &mut args, true, pos,
global, caches, new_scope, &mut this, fn_def, &mut args, true, pos,
)
}
Some(f) if f.is_plugin_fn() => {
let context = (self, fn_name, module.id(), &*global, lib, pos).into();
let context = (self, fn_name, module.id(), &*global, pos).into();
let f = f.get_plugin_fn().expect("plugin function");
let result = if !f.is_pure() && !args.is_empty() && args[0].is_read_only() {
Err(ERR::ErrorNonPureMethodCallOnConstant(fn_name.to_string(), pos).into())
@ -1388,7 +1377,7 @@ impl Engine {
Some(f) if f.is_native() => {
let func = f.get_native_fn().expect("native function");
let context = (self, fn_name, module.id(), &*global, lib, pos).into();
let context = (self, fn_name, module.id(), &*global, pos).into();
let result = func(context, &mut args);
self.check_return_value(result, pos)
}
@ -1416,7 +1405,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
script: &str,
_pos: Position,
@ -1452,7 +1440,7 @@ impl Engine {
}
// Evaluate the AST
self.eval_global_statements(global, caches, lib, scope, statements)
self.eval_global_statements(global, caches, scope, statements)
}
/// Evaluate a function call expression.
@ -1460,7 +1448,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
this_ptr: &mut Dynamic,
expr: &FnCallExpr,
@ -1482,12 +1469,12 @@ impl Engine {
// Short-circuit native binary operator call if under Fast Operators mode
if op_token.is_some() && self.fast_operators() && args.len() == 2 {
let mut lhs = self
.get_arg_value(global, caches, lib, scope, this_ptr, &args[0])?
.get_arg_value(global, caches, scope, this_ptr, &args[0])?
.0
.flatten();
let mut rhs = self
.get_arg_value(global, caches, lib, scope, this_ptr, &args[1])?
.get_arg_value(global, caches, scope, this_ptr, &args[1])?
.0
.flatten();
@ -1500,13 +1487,13 @@ impl Engine {
global.level += 1;
let global = &*RestoreOnDrop::lock(global, move |g| g.level -= 1);
let context = (self, name.as_str(), None, global, lib, pos).into();
let context = (self, name.as_str(), None, global, pos).into();
return func(context, operands);
}
return self
.exec_fn_call(
global, caches, lib, None, name, op_token, *hashes, operands, false, false, pos,
global, caches, None, name, op_token, *hashes, operands, false, false, pos,
)
.map(|(v, ..)| v);
}
@ -1517,7 +1504,7 @@ impl Engine {
let hash = hashes.native();
return self.make_qualified_function_call(
global, caches, lib, scope, this_ptr, namespace, name, args, hash, pos,
global, caches, scope, this_ptr, namespace, name, args, hash, pos,
);
}
@ -1528,8 +1515,8 @@ impl Engine {
);
self.make_function_call(
global, caches, lib, scope, this_ptr, name, op_token, first_arg, args, *hashes,
*capture, pos,
global, caches, scope, this_ptr, name, op_token, first_arg, args, *hashes, *capture,
pos,
)
}
}

21
src/func/native.rs
View File

@ -73,8 +73,6 @@ pub struct NativeCallContext<'a> {
source: Option<&'a str>,
/// The current [`GlobalRuntimeState`], if any.
global: &'a GlobalRuntimeState,
/// The current stack of loaded [modules][Module].
lib: &'a [SharedModule],
/// [Position] of the function call.
pos: Position,
}
@ -95,8 +93,6 @@ pub struct NativeCallContextStore {
pub source: Option<String>,
/// The current [`GlobalRuntimeState`], if any.
pub global: GlobalRuntimeState,
/// The current stack of loaded [modules][Module].
pub lib: StaticVec<SharedModule>,
/// [Position] of the function call.
pub pos: Position,
}
@ -123,7 +119,6 @@ impl<'a>
&'a str,
Option<&'a str>,
&'a GlobalRuntimeState,
&'a [SharedModule],
Position,
)> for NativeCallContext<'a>
{
@ -134,7 +129,6 @@ impl<'a>
&'a str,
Option<&'a str>,
&'a GlobalRuntimeState,
&'a [SharedModule],
Position,
),
) -> Self {
@ -143,8 +137,7 @@ impl<'a>
fn_name: value.1,
source: value.2,
global: value.3,
lib: value.4,
pos: value.5,
pos: value.4,
}
}
}
@ -163,7 +156,6 @@ impl<'a> NativeCallContext<'a> {
fn_name: &'a str,
source: Option<&'a str>,
global: &'a GlobalRuntimeState,
lib: &'a [SharedModule],
pos: Position,
) -> Self {
Self {
@ -171,7 +163,6 @@ impl<'a> NativeCallContext<'a> {
fn_name,
source,
global,
lib,
pos,
}
}
@ -193,7 +184,6 @@ impl<'a> NativeCallContext<'a> {
fn_name: &context.fn_name,
source: context.source.as_ref().map(String::as_str),
global: &context.global,
lib: &context.lib,
pos: context.pos,
}
}
@ -213,7 +203,6 @@ impl<'a> NativeCallContext<'a> {
fn_name: self.fn_name.to_string(),
source: self.source.map(|s| s.to_string()),
global: self.global.clone(),
lib: self.lib.iter().cloned().collect(),
pos: self.pos,
}
}
@ -286,15 +275,15 @@ impl<'a> NativeCallContext<'a> {
/// in reverse order (i.e. parent namespaces are iterated after child namespaces).
#[inline]
pub fn iter_namespaces(&self) -> impl Iterator<Item = &Module> {
self.lib.iter().map(|m| m.as_ref())
self.global.lib.iter().map(|m| m.as_ref())
}
/// _(internals)_ The current stack of namespaces containing definitions of all script-defined functions.
/// Exported under the `internals` feature only.
#[cfg(feature = "internals")]
#[inline(always)]
#[must_use]
pub const fn namespaces(&self) -> &[SharedModule] {
self.lib
pub fn namespaces(&self) -> &[SharedModule] {
&self.global.lib
}
/// Call a function inside the call context with the provided arguments.
#[inline]
@ -431,7 +420,6 @@ impl<'a> NativeCallContext<'a> {
.exec_native_fn_call(
global,
caches,
self.lib,
fn_name,
op_token,
calc_fn_hash(None, fn_name, args_len),
@ -458,7 +446,6 @@ impl<'a> NativeCallContext<'a> {
.exec_fn_call(
global,
caches,
self.lib,
None,
fn_name,
op_token,

53
src/func/script.rs
View File

@ -4,7 +4,7 @@
use super::call::FnCallArgs;
use crate::ast::ScriptFnDef;
use crate::eval::{Caches, GlobalRuntimeState};
use crate::{Dynamic, Engine, Position, RhaiError, RhaiResult, Scope, SharedModule, ERR};
use crate::{Dynamic, Engine, Position, RhaiError, RhaiResult, Scope, ERR};
use std::mem;
#[cfg(feature = "no_std")]
use std::prelude::v1::*;
@ -26,7 +26,6 @@ impl Engine {
&self,
global: &mut GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
scope: &mut Scope,
this_ptr: &mut Dynamic,
fn_def: &ScriptFnDef,
@ -79,6 +78,7 @@ impl Engine {
}
let orig_scope_len = scope.len();
let orig_lib_len = global.lib.len();
#[cfg(not(feature = "no_module"))]
let orig_imports_len = global.num_imports();
@ -106,12 +106,9 @@ impl Engine {
let orig_fn_resolution_caches_len = caches.fn_resolution_caches_len();
#[cfg(not(feature = "no_module"))]
let mut lib_merged = crate::StaticVec::with_capacity(lib.len() + 1);
#[cfg(not(feature = "no_module"))]
let (lib, constants) = if let Some(ref environ) = fn_def.environ {
let orig_constants = if let Some(ref environ) = fn_def.environ {
let crate::ast::EncapsulatedEnviron {
lib: ref fn_lib,
ref lib,
ref imports,
ref constants,
} = **environ;
@ -121,38 +118,24 @@ impl Engine {
.cloned()
.for_each(|(n, m)| global.push_import(n, m));
(
if fn_lib.is_empty() {
lib
} else {
caches.push_fn_resolution_cache();
lib_merged.push(fn_lib.clone());
lib_merged.extend(lib.iter().cloned());
&lib_merged
},
Some(mem::replace(&mut global.constants, constants.clone())),
)
if !lib.is_empty() {
global.lib.push(lib.clone());
}
Some(mem::replace(&mut global.constants, constants.clone()))
} else {
(lib, None)
None
};
#[cfg(feature = "debugging")]
{
let node = crate::ast::Stmt::Noop(fn_def.body.position());
self.run_debugger(global, caches, lib, scope, this_ptr, &node)?;
self.run_debugger(global, caches, scope, this_ptr, &node)?;
}
// Evaluate the function
let mut _result = self
.eval_stmt_block(
global,
caches,
lib,
scope,
this_ptr,
&fn_def.body,
rewind_scope,
)
.eval_stmt_block(global, caches, scope, this_ptr, &fn_def.body, rewind_scope)
.or_else(|err| match *err {
// Convert return statement to return value
ERR::Return(x, ..) => Ok(x),
@ -188,7 +171,7 @@ impl Engine {
Ok(ref r) => crate::eval::DebuggerEvent::FunctionExitWithValue(r),
Err(ref err) => crate::eval::DebuggerEvent::FunctionExitWithError(err),
};
match self.run_debugger_raw(global, caches, lib, scope, this_ptr, node, event) {
match self.run_debugger_raw(global, caches, scope, this_ptr, node, event) {
Ok(_) => (),
Err(err) => _result = Err(err),
}
@ -205,12 +188,13 @@ impl Engine {
// Remove arguments only, leaving new variables in the scope
scope.remove_range(orig_scope_len, args.len());
}
global.lib.truncate(orig_lib_len);
#[cfg(not(feature = "no_module"))]
global.truncate_imports(orig_imports_len);
// Restore constants
#[cfg(not(feature = "no_module"))]
if let Some(constants) = constants {
if let Some(constants) = orig_constants {
global.constants = constants;
}
@ -224,9 +208,8 @@ impl Engine {
#[must_use]
pub(crate) fn has_script_fn(
&self,
_global: &GlobalRuntimeState,
global: &GlobalRuntimeState,
caches: &mut Caches,
lib: &[SharedModule],
hash_script: u64,
) -> bool {
let cache = caches.fn_resolution_cache_mut();
@ -236,14 +219,14 @@ impl Engine {
}
// First check script-defined functions
let result = lib.iter().any(|m| m.contains_fn(hash_script))
let result = global.lib.iter().any(|m| m.contains_fn(hash_script))
// Then check the global namespace and packages
|| self.global_modules.iter().any(|m| m.contains_fn(hash_script));
#[cfg(not(feature = "no_module"))]
let result = result ||
// Then check imported modules
_global.contains_qualified_fn(hash_script)
global.contains_qualified_fn(hash_script)
// Then check sub-modules
|| self.global_sub_modules.values().any(|m| m.contains_qualified_fn(hash_script));

2
src/module/mod.rs
View File

@ -1980,6 +1980,7 @@ impl Module {
// Save global state
let orig_imports_len = global.num_imports();
let orig_source = global.source.clone();
let orig_lib_len = global.lib.len();
#[cfg(not(feature = "no_function"))]
let orig_constants = std::mem::take(&mut global.constants);
@ -2008,6 +2009,7 @@ impl Module {
#[cfg(not(feature = "no_function"))]
let constants = std::mem::replace(&mut global.constants, orig_constants);
global.truncate_imports(orig_imports_len);
global.lib.truncate(orig_lib_len);
global.source = orig_source;
result?;

25
src/optimizer.rs
View File

@ -59,9 +59,6 @@ struct OptimizerState<'a> {
global: GlobalRuntimeState,
/// Function resolution caches.
caches: Caches,
/// [Module][crate::Module] containing script-defined functions.
#[cfg(not(feature = "no_function"))]
lib: &'a [crate::SharedModule],
/// Optimization level.
optimization_level: OptimizationLevel,
}
@ -74,15 +71,16 @@ impl<'a> OptimizerState<'a> {
#[cfg(not(feature = "no_function"))] lib: &'a [crate::SharedModule],
optimization_level: OptimizationLevel,
) -> Self {
let mut global = GlobalRuntimeState::new(engine);
global.lib = lib.iter().cloned().collect();
Self {
changed: false,
variables: StaticVec::new_const(),
propagate_constants: true,
engine,
global: GlobalRuntimeState::new(engine),
global,
caches: Caches::new(),
#[cfg(not(feature = "no_function"))]
lib,
optimization_level,
}
}
@ -138,16 +136,10 @@ impl<'a> OptimizerState<'a> {
op_token: Option<&Token>,
arg_values: &mut [Dynamic],
) -> Dynamic {
#[cfg(not(feature = "no_function"))]
let lib = self.lib;
#[cfg(feature = "no_function")]
let lib = &[];
self.engine
.exec_native_fn_call(
&mut self.global,
&mut self.caches,
lib,
fn_name,
op_token,
calc_fn_hash(None, fn_name, arg_values.len()),
@ -1138,12 +1130,7 @@ fn optimize_expr(expr: &mut Expr, state: &mut OptimizerState, _chaining: bool) {
_ if x.args.len() == 2 && x.op_token.is_some() && (state.engine.fast_operators() || !has_native_fn_override(state.engine, x.hashes.native(), &arg_types)) => {
if let Some(result) = get_builtin_binary_op_fn(x.op_token.as_ref().unwrap(), &arg_values[0], &arg_values[1])
.and_then(|f| {
#[cfg(not(feature = "no_function"))]
let lib = state.lib;
#[cfg(feature = "no_function")]
let lib = &[][..];
let context = (state.engine, x.name.as_str(),None, &state.global, lib, *pos).into();
let context = (state.engine, x.name.as_str(),None, &state.global, *pos).into();
let (first, second) = arg_values.split_first_mut().unwrap();
(f)(context, &mut [ first, &mut second[0] ]).ok()
}) {
@ -1183,7 +1170,7 @@ fn optimize_expr(expr: &mut Expr, state: &mut OptimizerState, _chaining: bool) {
=> {
// First search for script-defined functions (can override built-in)
#[cfg(not(feature = "no_function"))]
let has_script_fn = !x.hashes.is_native_only() && state.lib.iter().find_map(|m| m.get_script_fn(&x.name, x.args.len())).is_some();
let has_script_fn = !x.hashes.is_native_only() && state.global.lib.iter().find_map(|m| m.get_script_fn(&x.name, x.args.len())).is_some();
#[cfg(feature = "no_function")]
let has_script_fn = false;

10
src/parser.rs
View File

@ -2909,14 +2909,8 @@ impl Engine {
let caches = &mut Caches::new();
let mut this = Dynamic::NULL;
let context = EvalContext::new(
self,
&mut state.global,
caches,
&[],
&mut state.stack,
&mut this,
);
let context =
EvalContext::new(self, &mut state.global, caches, &mut state.stack, &mut this);
match filter(false, info, context) {
Ok(true) => (),

4
src/tests.rs
View File

@ -45,9 +45,9 @@ fn check_struct_sizes() {
assert_eq!(
size_of::<NativeCallContext>(),
if cfg!(feature = "no_position") {
64
48
} else {
72
56
}
);
}

19
src/types/fn_ptr.rs
View File

@ -5,7 +5,7 @@ use crate::tokenizer::is_valid_function_name;
use crate::types::dynamic::Variant;
use crate::{
Dynamic, Engine, FuncArgs, ImmutableString, NativeCallContext, Position, RhaiError, RhaiResult,
RhaiResultOf, SharedModule, StaticVec, AST, ERR,
RhaiResultOf, StaticVec, AST, ERR,
};
#[cfg(feature = "no_std")]
use std::prelude::v1::*;
@ -151,19 +151,14 @@ impl FnPtr {
let mut arg_values = crate::StaticVec::new_const();
args.parse(&mut arg_values);
let lib: &[SharedModule] = &[
#[cfg(not(feature = "no_function"))]
AsRef::<SharedModule>::as_ref(ast).clone(),
];
let lib = if lib.first().map_or(true, |m| m.is_empty()) {
&[][..]
} else {
&lib
};
let global = &mut GlobalRuntimeState::new(engine);
let global = &GlobalRuntimeState::new(engine);
#[cfg(not(feature = "no_function"))]
if !_ast.functions().is_empty() {
global.lib.push(_ast.functions().clone());
}
let ctx = (engine, self.fn_name(), None, global, lib, Position::NONE).into();
let ctx = (engine, self.fn_name(), None, &*global, Position::NONE).into();
let result = self.call_raw(&ctx, None, arg_values)?;