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Improve proc macro hygiene

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This commit is contained in:
J Henry Waugh
2020-08-02 19:27:19 -05:00
parent 5eed5fe6a3
commit 3136188801
19 changed files with 258 additions and 163 deletions
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148
codegen/src/module.rs
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@@ -263,7 +263,7 @@ mod generate_tests {
let expected_tokens = quote! {
pub mod empty {
#[allow(unused_imports)]
use rhai::{Module, FnAccess};
use super::*;
#[allow(unused_mut)]
pub fn rhai_module__generate() -> Module {
let mut m = Module::new();
@@ -292,37 +292,43 @@ mod generate_tests {
42
}
#[allow(unused_imports)]
use rhai::{Module, FnAccess};
use super::*;
#[allow(unused_mut)]
pub fn rhai_module__generate() -> Module {
let mut m = Module::new();
m.set_fn("get_mystic_number", FnAccess::Public, &[],
rhai::plugin::CallableFunction::from_plugin(get_mystic_number__Token()));
CallableFunction::from_plugin(get_mystic_number__Token()));
m
}
#[allow(non_camel_case_types)]
pub struct get_mystic_number__Token();
impl rhai::plugin::PluginFunction for get_mystic_number__Token {
struct get_mystic_number__Token();
impl PluginFunction for get_mystic_number__Token {
fn call(&self,
args: &mut [&mut rhai::Dynamic], pos: rhai::Position
) -> Result<rhai::Dynamic, Box<rhai::EvalAltResult>> {
args: &mut [&mut Dynamic], pos: Position
) -> Result<Dynamic, Box<EvalAltResult>> {
if args.len() != 0usize {
return Err(Box::new(rhai::EvalAltResult::ErrorRuntime(
return Err(Box::new(EvalAltResult::ErrorRuntime(
format!("wrong arg count: {} != {}",
args.len(), 0usize), rhai::Position::none())));
args.len(), 0usize), Position::none())));
}
Ok(rhai::Dynamic::from(get_mystic_number()))
Ok(Dynamic::from(get_mystic_number()))
}
fn is_method_call(&self) -> bool { false }
fn is_varadic(&self) -> bool { false }
fn clone_boxed(&self) -> Box<dyn rhai::plugin::PluginFunction> {
fn clone_boxed(&self) -> Box<dyn PluginFunction> {
Box::new(get_mystic_number__Token())
}
fn input_types(&self) -> Box<[std::any::TypeId]> {
vec![].into_boxed_slice()
}
}
pub fn get_mystic_number__Token__callable() -> CallableFunction {
CallableFunction::from_plugin(get_mystic_number__Token())
}
pub fn get_mystic_number__Token__input_types() -> Box<[std::any::TypeId]> {
get_mystic_number__Token().input_types()
}
}
};
@@ -346,38 +352,44 @@ mod generate_tests {
x + 1
}
#[allow(unused_imports)]
use rhai::{Module, FnAccess};
use super::*;
#[allow(unused_mut)]
pub fn rhai_module__generate() -> Module {
let mut m = Module::new();
m.set_fn("add_one_to", FnAccess::Public, &[core::any::TypeId::of::<INT>()],
rhai::plugin::CallableFunction::from_plugin(add_one_to__Token()));
CallableFunction::from_plugin(add_one_to__Token()));
m
}
#[allow(non_camel_case_types)]
pub struct add_one_to__Token();
impl rhai::plugin::PluginFunction for add_one_to__Token {
struct add_one_to__Token();
impl PluginFunction for add_one_to__Token {
fn call(&self,
args: &mut [&mut rhai::Dynamic], pos: rhai::Position
) -> Result<rhai::Dynamic, Box<rhai::EvalAltResult>> {
args: &mut [&mut Dynamic], pos: Position
) -> Result<Dynamic, Box<EvalAltResult>> {
if args.len() != 1usize {
return Err(Box::new(rhai::EvalAltResult::ErrorRuntime(
return Err(Box::new(EvalAltResult::ErrorRuntime(
format!("wrong arg count: {} != {}",
args.len(), 1usize), rhai::Position::none())));
args.len(), 1usize), Position::none())));
}
let arg0 = args[0usize].downcast_clone::<INT>().unwrap();
Ok(rhai::Dynamic::from(add_one_to(arg0)))
Ok(Dynamic::from(add_one_to(arg0)))
}
fn is_method_call(&self) -> bool { false }
fn is_varadic(&self) -> bool { false }
fn clone_boxed(&self) -> Box<dyn rhai::plugin::PluginFunction> {
fn clone_boxed(&self) -> Box<dyn PluginFunction> {
Box::new(add_one_to__Token())
}
fn input_types(&self) -> Box<[std::any::TypeId]> {
vec![std::any::TypeId::of::<INT>()].into_boxed_slice()
}
}
pub fn add_one_to__Token__callable() -> CallableFunction {
CallableFunction::from_plugin(add_one_to__Token())
}
pub fn add_one_to__Token__input_types() -> Box<[std::any::TypeId]> {
add_one_to__Token().input_types()
}
}
};
@@ -401,34 +413,34 @@ mod generate_tests {
x + y
}
#[allow(unused_imports)]
use rhai::{Module, FnAccess};
use super::*;
#[allow(unused_mut)]
pub fn rhai_module__generate() -> Module {
let mut m = Module::new();
m.set_fn("add_together", FnAccess::Public, &[core::any::TypeId::of::<INT>(),
core::any::TypeId::of::<INT>()],
rhai::plugin::CallableFunction::from_plugin(add_together__Token()));
CallableFunction::from_plugin(add_together__Token()));
m
}
#[allow(non_camel_case_types)]
pub struct add_together__Token();
impl rhai::plugin::PluginFunction for add_together__Token {
struct add_together__Token();
impl PluginFunction for add_together__Token {
fn call(&self,
args: &mut [&mut rhai::Dynamic], pos: rhai::Position
) -> Result<rhai::Dynamic, Box<rhai::EvalAltResult>> {
args: &mut [&mut Dynamic], pos: Position
) -> Result<Dynamic, Box<EvalAltResult>> {
if args.len() != 2usize {
return Err(Box::new(rhai::EvalAltResult::ErrorRuntime(
return Err(Box::new(EvalAltResult::ErrorRuntime(
format!("wrong arg count: {} != {}",
args.len(), 2usize), rhai::Position::none())));
args.len(), 2usize), Position::none())));
}
let arg0 = args[0usize].downcast_clone::<INT>().unwrap();
let arg1 = args[1usize].downcast_clone::<INT>().unwrap();
Ok(rhai::Dynamic::from(add_together(arg0, arg1)))
Ok(Dynamic::from(add_together(arg0, arg1)))
}
fn is_method_call(&self) -> bool { false }
fn is_varadic(&self) -> bool { false }
fn clone_boxed(&self) -> Box<dyn rhai::plugin::PluginFunction> {
fn clone_boxed(&self) -> Box<dyn PluginFunction> {
Box::new(add_together__Token())
}
fn input_types(&self) -> Box<[std::any::TypeId]> {
@@ -436,6 +448,12 @@ mod generate_tests {
std::any::TypeId::of::<INT>()].into_boxed_slice()
}
}
pub fn add_together__Token__callable() -> CallableFunction {
CallableFunction::from_plugin(add_together__Token())
}
pub fn add_together__Token__input_types() -> Box<[std::any::TypeId]> {
add_together__Token().input_types()
}
}
};
@@ -455,7 +473,7 @@ mod generate_tests {
pub mod one_constant {
pub const MYSTIC_NUMBER: INT = 42;
#[allow(unused_imports)]
use rhai::{Module, FnAccess};
use super::*;
#[allow(unused_mut)]
pub fn rhai_module__generate() -> Module {
let mut m = Module::new();
@@ -483,7 +501,7 @@ mod generate_tests {
pub use rhai::INT;
pub const MYSTIC_NUMBER: INT = 42;
#[allow(unused_imports)]
use rhai::{Module, FnAccess};
use super::*;
#[allow(unused_mut)]
pub fn rhai_module__generate() -> Module {
let mut m = Module::new();
@@ -513,7 +531,7 @@ mod generate_tests {
42
}
#[allow(unused_imports)]
use rhai::{Module, FnAccess};
use super::*;
#[allow(unused_mut)]
pub fn rhai_module__generate() -> Module {
let mut m = Module::new();
@@ -538,7 +556,7 @@ mod generate_tests {
pub mod one_constant {
const MYSTIC_NUMBER: INT = 42;
#[allow(unused_imports)]
use rhai::{Module, FnAccess};
use super::*;
#[allow(unused_mut)]
pub fn rhai_module__generate() -> Module {
let mut m = Module::new();
@@ -567,39 +585,45 @@ mod generate_tests {
x + 1
}
#[allow(unused_imports)]
use rhai::{Module, FnAccess};
use super::*;
#[allow(unused_mut)]
pub fn rhai_module__generate() -> Module {
let mut m = Module::new();
m.set_fn("print_out_to", FnAccess::Public,
&[core::any::TypeId::of::<rhai::ImmutableString>()],
rhai::plugin::CallableFunction::from_plugin(print_out_to__Token()));
&[core::any::TypeId::of::<ImmutableString>()],
CallableFunction::from_plugin(print_out_to__Token()));
m
}
#[allow(non_camel_case_types)]
pub struct print_out_to__Token();
impl rhai::plugin::PluginFunction for print_out_to__Token {
struct print_out_to__Token();
impl PluginFunction for print_out_to__Token {
fn call(&self,
args: &mut [&mut rhai::Dynamic], pos: rhai::Position
) -> Result<rhai::Dynamic, Box<rhai::EvalAltResult>> {
args: &mut [&mut Dynamic], pos: Position
) -> Result<Dynamic, Box<EvalAltResult>> {
if args.len() != 1usize {
return Err(Box::new(rhai::EvalAltResult::ErrorRuntime(
return Err(Box::new(EvalAltResult::ErrorRuntime(
format!("wrong arg count: {} != {}",
args.len(), 1usize), rhai::Position::none())));
args.len(), 1usize), Position::none())));
}
let arg0 = args[0usize].downcast_clone::<rhai::ImmutableString>().unwrap();
Ok(rhai::Dynamic::from(print_out_to(&arg0)))
let arg0 = args[0usize].downcast_clone::<ImmutableString>().unwrap();
Ok(Dynamic::from(print_out_to(&arg0)))
}
fn is_method_call(&self) -> bool { false }
fn is_varadic(&self) -> bool { false }
fn clone_boxed(&self) -> Box<dyn rhai::plugin::PluginFunction> {
fn clone_boxed(&self) -> Box<dyn PluginFunction> {
Box::new(print_out_to__Token())
}
fn input_types(&self) -> Box<[std::any::TypeId]> {
vec![std::any::TypeId::of::<rhai::ImmutableString>()].into_boxed_slice()
vec![std::any::TypeId::of::<ImmutableString>()].into_boxed_slice()
}
}
pub fn print_out_to__Token__callable() -> CallableFunction {
CallableFunction::from_plugin(print_out_to__Token())
}
pub fn print_out_to__Token__input_types() -> Box<[std::any::TypeId]> {
print_out_to__Token().input_types()
}
}
};
@@ -623,40 +647,46 @@ mod generate_tests {
*x += 1.0 as FLOAT;
}
#[allow(unused_imports)]
use rhai::{Module, FnAccess};
use super::*;
#[allow(unused_mut)]
pub fn rhai_module__generate() -> Module {
let mut m = Module::new();
m.set_fn("increment", FnAccess::Public,
&[core::any::TypeId::of::<FLOAT>()],
rhai::plugin::CallableFunction::from_plugin(increment__Token()));
CallableFunction::from_plugin(increment__Token()));
m
}
#[allow(non_camel_case_types)]
pub struct increment__Token();
impl rhai::plugin::PluginFunction for increment__Token {
struct increment__Token();
impl PluginFunction for increment__Token {
fn call(&self,
args: &mut [&mut rhai::Dynamic], pos: rhai::Position
) -> Result<rhai::Dynamic, Box<rhai::EvalAltResult>> {
args: &mut [&mut Dynamic], pos: Position
) -> Result<Dynamic, Box<EvalAltResult>> {
if args.len() != 1usize {
return Err(Box::new(rhai::EvalAltResult::ErrorRuntime(
return Err(Box::new(EvalAltResult::ErrorRuntime(
format!("wrong arg count: {} != {}",
args.len(), 1usize), rhai::Position::none())));
args.len(), 1usize), Position::none())));
}
let arg0: &mut _ = args[0usize].downcast_mut::<FLOAT>().unwrap();
Ok(rhai::Dynamic::from(increment(arg0)))
Ok(Dynamic::from(increment(arg0)))
}
fn is_method_call(&self) -> bool { true }
fn is_varadic(&self) -> bool { false }
fn clone_boxed(&self) -> Box<dyn rhai::plugin::PluginFunction> {
fn clone_boxed(&self) -> Box<dyn PluginFunction> {
Box::new(increment__Token())
}
fn input_types(&self) -> Box<[std::any::TypeId]> {
vec![std::any::TypeId::of::<FLOAT>()].into_boxed_slice()
}
}
}
pub fn increment__Token__callable() -> CallableFunction {
CallableFunction::from_plugin(increment__Token())
}
pub fn increment__Token__input_types() -> Box<[std::any::TypeId]> {
increment__Token().input_types()
}
}
};
let item_mod = syn::parse2::<Module>(input_tokens).unwrap();