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Simplify code.

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This commit is contained in:
Stephen Chung 2021-06-08 23:40:10 +08:00
parent bcf82dafcb
commit 6397ce671e
1 changed files with 23 additions and 57 deletions
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80
src/fn_call.rs
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@ -17,7 +17,7 @@ use crate::{
};
use crate::{
calc_fn_hash, calc_fn_params_hash, combine_hashes, Dynamic, Engine, EvalAltResult, FnPtr,
ImmutableString, Module, ParseErrorType, Position, Scope, StaticVec,
Identifier, ImmutableString, Module, ParseErrorType, Position, Scope, StaticVec,
};
#[cfg(feature = "no_std")]
use std::prelude::v1::*;
@ -627,6 +627,12 @@ impl Engine {
_capture_scope: Option<Scope>,
_level: usize,
) -> Result<(Dynamic, bool), Box<EvalAltResult>> {
#[inline(always)]
fn no_method_err(name: &str, pos: Position) -> Result<(Dynamic, bool), Box<EvalAltResult>> {
let msg = format!("'{0}' should not be called this way. Try {0}(...);", name);
EvalAltResult::ErrorRuntime(msg.into(), pos).into()
}
// Check for data race.
#[cfg(not(feature = "no_closure"))]
ensure_no_data_race(fn_name, args, is_ref)?;
@ -638,7 +644,7 @@ impl Engine {
return Ok((
self.map_type_name(args[0].type_name()).to_string().into(),
false,
));
))
}
// Handle is_def_fn()
@ -668,39 +674,15 @@ impl Engine {
// Handle is_shared()
#[cfg(not(feature = "no_closure"))]
crate::engine::KEYWORD_IS_SHARED if args.len() == 1 => {
return EvalAltResult::ErrorRuntime(
format!(
"'{}' should not be called this way. Try {}(...);",
fn_name, fn_name
)
.into(),
pos,
)
.into()
return no_method_err(fn_name, pos)
}
KEYWORD_FN_PTR | KEYWORD_EVAL | KEYWORD_IS_DEF_VAR if args.len() == 1 => {
return EvalAltResult::ErrorRuntime(
format!(
"'{}' should not be called this way. Try {}(...);",
fn_name, fn_name
)
.into(),
pos,
)
.into()
return no_method_err(fn_name, pos)
}
KEYWORD_FN_PTR_CALL | KEYWORD_FN_PTR_CURRY if !args.is_empty() => {
return EvalAltResult::ErrorRuntime(
format!(
"'{}' should not be called this way. Try {}(...);",
fn_name, fn_name
)
.into(),
pos,
)
.into()
return no_method_err(fn_name, pos)
}
_ => (),
@ -798,17 +780,8 @@ impl Engine {
}
// Native function call
self.call_native_fn(
mods,
state,
lib,
fn_name,
hash.native_hash(),
args,
is_ref,
false,
pos,
)
let hash = hash.native_hash();
self.call_native_fn(mods, state, lib, fn_name, hash, args, is_ref, false, pos)
}
/// Evaluate a list of statements with no `this` pointer.
@ -983,7 +956,7 @@ impl Engine {
.curry()
.iter()
.cloned()
.chain(call_args.iter_mut().map(|v| mem::take(v)))
.chain(call_args.iter_mut().map(mem::take))
.collect(),
)
}
@ -1215,21 +1188,14 @@ impl Engine {
KEYWORD_EVAL if total_args == 1 => {
// eval - only in function call style
let prev_len = scope.len();
let (script, script_pos) = self.get_arg_value(
let (value, pos) = self.get_arg_value(
scope, mods, state, lib, this_ptr, level, args_expr, constants, 0,
)?;
let script = script.take_immutable_string().map_err(|typ| {
self.make_type_mismatch_err::<ImmutableString>(typ, script_pos)
})?;
let result = self.eval_script_expr_in_place(
scope,
mods,
state,
lib,
&script,
script_pos,
level + 1,
);
let script = &value
.take_immutable_string()
.map_err(|typ| self.make_type_mismatch_err::<ImmutableString>(typ, pos))?;
let result =
self.eval_script_expr_in_place(scope, mods, state, lib, script, pos, level + 1);
// IMPORTANT! If the eval defines new variables in the current scope,
// all variable offsets from this point on will be mis-aligned.
@ -1243,7 +1209,7 @@ impl Engine {
state
.source
.as_ref()
.map(|s| s.to_string())
.map(Identifier::to_string)
.unwrap_or_default(),
err,
pos,
@ -1294,7 +1260,7 @@ impl Engine {
#[cfg(feature = "no_closure")]
let target_is_shared = false;
if target_is_shared || target.is_value() {
if target_is_shared || target.is_temp_value() {
arg_values.insert(0, target.take_or_clone().flatten());
args.extend(arg_values.iter_mut())
} else {
@ -1374,7 +1340,7 @@ impl Engine {
#[cfg(feature = "no_closure")]
let target_is_shared = false;
if target_is_shared || target.is_value() {
if target_is_shared || target.is_temp_value() {
arg_values[0] = target.take_or_clone().flatten();
args.extend(arg_values.iter_mut());
} else {