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Merge branch 'plugins' into plugins_dev

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This commit is contained in:
Stephen Chung 2020-08-21 14:40:14 +08:00
commit 40f71320f3
15 changed files with 852 additions and 10 deletions
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566
codegen/src/module.rs
View File

@ -1,5 +1,5 @@
use quote::{quote, ToTokens};
use syn::{parse::Parse, parse::ParseStream};
use syn::{parse::Parse, parse::ParseStream, spanned::Spanned};
use crate::function::{ExportedFn, ExportedFnParams};
use crate::rhai_module::ExportedConst;
@ -12,6 +12,7 @@ use std::vec as new_vec;
#[cfg(no_std)]
use core::mem;
use std::borrow::Cow;
use std::collections::HashMap;
fn inner_fn_attributes(f: &mut syn::ItemFn) -> syn::Result<ExportedFnParams> {
@ -72,11 +73,113 @@ fn check_rename_collisions(fns: &Vec<ExportedFn>) -> Result<(), syn::Error> {
Ok(())
}
fn inner_mod_attributes(f: &mut syn::ItemMod) -> syn::Result<ExportedModParams> {
if let Some(rhai_mod_idx) = f.attrs.iter().position(|a| {
a.path
.get_ident()
.map(|i| i.to_string() == "rhai_mod")
.unwrap_or(false)
}) {
let rhai_mod_attr = f.attrs.remove(rhai_mod_idx);
rhai_mod_attr.parse_args()
} else if let syn::Visibility::Public(_) = f.vis {
Ok(ExportedModParams::default())
} else {
Ok(ExportedModParams::skip())
}
}
#[derive(Debug, Default)]
pub(crate) struct ExportedModParams {
pub name: Option<String>,
pub skip: bool,
}
impl ExportedModParams {
pub fn skip() -> ExportedModParams {
let mut skip = ExportedModParams::default();
skip.skip = true;
skip
}
}
impl Parse for ExportedModParams {
fn parse(args: ParseStream) -> syn::Result<Self> {
if args.is_empty() {
return Ok(ExportedModParams::default());
}
let arg_list = args.call(
syn::punctuated::Punctuated::<syn::Expr, syn::Token![,]>::parse_separated_nonempty,
)?;
let mut attrs: HashMap<syn::Ident, Option<syn::LitStr>> = HashMap::new();
for arg in arg_list {
let (left, right) = match arg {
syn::Expr::Assign(syn::ExprAssign {
ref left,
ref right,
..
}) => {
let attr_name: syn::Ident = match left.as_ref() {
syn::Expr::Path(syn::ExprPath {
path: attr_path, ..
}) => attr_path.get_ident().cloned().ok_or_else(|| {
syn::Error::new(attr_path.span(), "expecting attribute name")
})?,
x => return Err(syn::Error::new(x.span(), "expecting attribute name")),
};
let attr_value = match right.as_ref() {
syn::Expr::Lit(syn::ExprLit {
lit: syn::Lit::Str(string),
..
}) => string.clone(),
x => return Err(syn::Error::new(x.span(), "expecting string literal")),
};
(attr_name, Some(attr_value))
}
syn::Expr::Path(syn::ExprPath {
path: attr_path, ..
}) => attr_path
.get_ident()
.cloned()
.map(|a| (a, None))
.ok_or_else(|| syn::Error::new(attr_path.span(), "expecting attribute name"))?,
x => return Err(syn::Error::new(x.span(), "expecting identifier")),
};
attrs.insert(left, right);
}
let mut name = None;
let mut skip = false;
for (ident, value) in attrs.drain() {
match (ident.to_string().as_ref(), value) {
("name", Some(s)) => name = Some(s.value()),
("name", None) => return Err(syn::Error::new(ident.span(), "requires value")),
("skip", None) => skip = true,
("skip", Some(s)) => {
return Err(syn::Error::new(s.span(), "extraneous value"))
}
(attr, _) => {
return Err(syn::Error::new(
ident.span(),
format!("unknown attribute '{}'", attr),
))
}
}
}
Ok(ExportedModParams { name, skip, ..Default::default() })
}
}
#[derive(Debug)]
pub(crate) struct Module {
mod_all: Option<syn::ItemMod>,
fns: Vec<ExportedFn>,
consts: Vec<ExportedConst>,
submodules: Vec<Module>,
params: ExportedModParams,
}
impl Parse for Module {
@ -84,7 +187,9 @@ impl Parse for Module {
let mut mod_all: syn::ItemMod = input.parse()?;
let fns: Vec<_>;
let consts: Vec<_>;
let mut submodules: Vec<_> = Vec::new();
if let Some((_, ref mut content)) = mod_all.content {
// Gather and parse functions.
fns = content
.iter_mut()
.filter_map(|item| match item {
@ -104,6 +209,7 @@ impl Parse for Module {
.map(|f| if !f.params.skip { vec.push(f) })
.map(|_| vec)
})?;
// Gather and parse constants definitions.
consts = content
.iter()
.filter_map(|item| match item {
@ -122,6 +228,34 @@ impl Parse for Module {
_ => None,
})
.collect();
// Gather and parse submodule definitions.
//
// They are actually removed from the module's body, because they will need
// re-generating later when generated code is added.
submodules.reserve(content.len() - fns.len() - consts.len());
let mut i = 0;
while i < content.len() {
if let syn::Item::Mod(_) = &content[i] {
let mut itemmod = match content.remove(i) {
syn::Item::Mod(m) => m,
_ => unreachable!(),
};
let params = match inner_mod_attributes(&mut itemmod) {
Ok(p) => p,
Err(e) => return Err(e),
};
let module = syn::parse2::<Module>(itemmod.to_token_stream())
.map(|mut f| {
f.params = params;
f
})?;
if !module.params.skip {
submodules.push(module);
}
} else {
i += 1;
}
}
} else {
consts = new_vec![];
fns = new_vec![];
@ -130,19 +264,49 @@ impl Parse for Module {
mod_all: Some(mod_all),
fns,
consts,
submodules,
params: ExportedModParams::default(),
})
}
}
impl Module {
pub fn generate(self) -> proc_macro2::TokenStream {
// Check for collisions if the "name" attribute was used on inner functions.
if let Err(e) = check_rename_collisions(&self.fns) {
return e.to_compile_error();
}
pub fn module_name(&self) -> Option<&syn::Ident> {
self.mod_all.as_ref().map(|m| &m.ident)
}
// Perform the generation of new module items.
let mod_gen = crate::rhai_module::generate_body(&self.fns, &self.consts);
pub fn exported_name(&self) -> Option<Cow<str>> {
if let Some(ref s) = self.params.name {
Some(Cow::Borrowed(s))
} else {
self.module_name().map(|m| Cow::Owned(m.to_string()))
}
}
pub fn generate(self) -> proc_macro2::TokenStream {
match self.generate_inner() {
Ok(tokens) => tokens,
Err(e) => e.to_compile_error(),
}
}
fn generate_inner(mut self) -> Result<proc_macro2::TokenStream, syn::Error> {
// Check for collisions if the "name" attribute was used on inner functions.
check_rename_collisions(&self.fns)?;
// Generate new module items.
//
// This is done before inner module recursive generation, because that is destructive.
let mod_gen = crate::rhai_module::generate_body(&self.fns, &self.consts, &self.submodules);
// NB: submodules must have their new items for exporting generated in depth-first order to
// avoid issues with reparsing them.
let inner_modules: Vec<proc_macro2::TokenStream> = self.submodules.drain(..)
.try_fold::<Vec<proc_macro2::TokenStream>, _,
Result<Vec<proc_macro2::TokenStream>, syn::Error>>(
Vec::new(), |mut acc, m| { acc.push(m.generate_inner()?); Ok(acc) })?;
// Generate new module items for exporting functions and constant.
// Rebuild the structure of the module, with the new content added.
let Module { mod_all, .. } = self;
@ -150,11 +314,23 @@ impl Module {
let mod_name = mod_all.ident.clone();
let (_, orig_content) = mod_all.content.take().unwrap();
quote! {
Ok(quote! {
pub mod #mod_name {
#(#orig_content)*
#(#inner_modules)*
#mod_gen
}
})
}
pub fn name(&self) -> Option<&syn::Ident> {
self.mod_all.as_ref().map(|m| &m.ident)
}
pub fn content(&self) -> Option<&Vec<syn::Item>> {
match self.mod_all {
Some(syn::ItemMod { content: Some((_, ref vec)), .. }) => Some(vec),
_ => None,
}
}
}
@ -254,6 +430,68 @@ mod module_tests {
);
}
#[test]
fn one_constant_nested_module() {
let input_tokens: TokenStream = quote! {
pub mod one_constant {
pub mod it_is {
pub const MYSTIC_NUMBER: INT = 42;
}
}
};
let item_mod = syn::parse2::<Module>(input_tokens).unwrap();
assert!(item_mod.fns.is_empty());
assert!(item_mod.consts.is_empty());
assert_eq!(item_mod.submodules.len(), 1);
assert_eq!(&item_mod.submodules[0].consts[0].0, "MYSTIC_NUMBER");
assert_eq!(
item_mod.submodules[0].consts[0].1,
syn::parse2::<syn::Expr>(quote! { 42 }).unwrap()
);
}
#[test]
fn one_skipped_fn_nested_module() {
let input_tokens: TokenStream = quote! {
pub mod one_fn {
pub mod skip_this {
#[rhai_fn(skip)]
pub fn get_mystic_number() -> INT {
42
}
}
}
};
let item_mod = syn::parse2::<Module>(input_tokens).unwrap();
assert!(item_mod.fns.is_empty());
assert!(item_mod.consts.is_empty());
assert_eq!(item_mod.submodules.len(), 1);
assert!(item_mod.submodules[0].fns.is_empty());
assert!(item_mod.submodules[0].consts.is_empty());
assert!(item_mod.submodules[0].submodules.is_empty());
}
#[test]
fn one_skipped_nested_module() {
let input_tokens: TokenStream = quote! {
pub mod one_fn {
#[rhai_mod(skip)]
pub mod skip_this {
pub fn get_mystic_number() -> INT {
42
}
}
}
};
let item_mod = syn::parse2::<Module>(input_tokens).unwrap();
assert!(item_mod.fns.is_empty());
assert!(item_mod.consts.is_empty());
assert!(item_mod.submodules.is_empty());
}
#[test]
fn one_constant_module() {
let input_tokens: TokenStream = quote! {
@ -795,7 +1033,315 @@ mod generate_tests {
pub fn increment_token_input_types() -> Box<[TypeId]> {
increment_token().input_types()
}
}
}
};
let item_mod = syn::parse2::<Module>(input_tokens).unwrap();
assert_streams_eq(item_mod.generate(), expected_tokens);
}
#[test]
fn one_fn_nested_module() {
let input_tokens: TokenStream = quote! {
pub mod one_fn {
pub mod it_is {
pub fn increment(x: &mut FLOAT) {
*x += 1.0 as FLOAT;
}
}
}
};
let expected_tokens = quote! {
pub mod one_fn {
pub mod it_is {
pub fn increment(x: &mut FLOAT) {
*x += 1.0 as FLOAT;
}
#[allow(unused_imports)]
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>()],
CallableFunction::from_plugin(increment_token()));
m
}
#[allow(non_camel_case_types)]
struct increment_token();
impl PluginFunction for increment_token {
fn call(&self,
args: &mut [&mut Dynamic], pos: Position
) -> Result<Dynamic, Box<EvalAltResult>> {
debug_assert_eq!(args.len(), 1usize,
"wrong arg count: {} != {}", args.len(), 1usize);
let arg0: &mut _ = &mut args[0usize].write_lock::<FLOAT>().unwrap();
Ok(Dynamic::from(increment(arg0)))
}
fn is_method_call(&self) -> bool { true }
fn is_varadic(&self) -> bool { false }
fn clone_boxed(&self) -> Box<dyn PluginFunction> {
Box::new(increment_token())
}
fn input_types(&self) -> Box<[TypeId]> {
new_vec![TypeId::of::<FLOAT>()].into_boxed_slice()
}
}
pub fn increment_token_callable() -> CallableFunction {
CallableFunction::from_plugin(increment_token())
}
pub fn increment_token_input_types() -> Box<[TypeId]> {
increment_token().input_types()
}
}
#[allow(unused_imports)]
use super::*;
#[allow(unused_mut)]
pub fn rhai_module_generate() -> Module {
let mut m = Module::new();
m.set_sub_module("it_is", self::it_is::rhai_module_generate());
m
}
}
};
let item_mod = syn::parse2::<Module>(input_tokens).unwrap();
assert_streams_eq(item_mod.generate(), expected_tokens);
}
#[test]
fn one_constant_nested_module() {
let input_tokens: TokenStream = quote! {
pub mod one_constant {
pub mod it_is {
pub const MYSTIC_NUMBER: INT = 42;
}
}
};
let expected_tokens = quote! {
pub mod one_constant {
pub mod it_is {
pub const MYSTIC_NUMBER: INT = 42;
#[allow(unused_imports)]
use super::*;
#[allow(unused_mut)]
pub fn rhai_module_generate() -> Module {
let mut m = Module::new();
m.set_var("MYSTIC_NUMBER", 42);
m
}
}
#[allow(unused_imports)]
use super::*;
#[allow(unused_mut)]
pub fn rhai_module_generate() -> Module {
let mut m = Module::new();
m.set_sub_module("it_is", self::it_is::rhai_module_generate());
m
}
}
};
let item_mod = syn::parse2::<Module>(input_tokens).unwrap();
assert_streams_eq(item_mod.generate(), expected_tokens);
}
#[test]
fn dual_constant_nested_module() {
let input_tokens: TokenStream = quote! {
pub mod two_constants {
pub mod first_is {
pub const MYSTIC_NUMBER: INT = 42;
}
pub mod second_is {
pub const SPECIAL_CPU_NUMBER: INT = 68000;
}
}
};
let expected_tokens = quote! {
pub mod two_constants {
pub mod first_is {
pub const MYSTIC_NUMBER: INT = 42;
#[allow(unused_imports)]
use super::*;
#[allow(unused_mut)]
pub fn rhai_module_generate() -> Module {
let mut m = Module::new();
m.set_var("MYSTIC_NUMBER", 42);
m
}
}
pub mod second_is {
pub const SPECIAL_CPU_NUMBER: INT = 68000;
#[allow(unused_imports)]
use super::*;
#[allow(unused_mut)]
pub fn rhai_module_generate() -> Module {
let mut m = Module::new();
m.set_var("SPECIAL_CPU_NUMBER", 68000);
m
}
}
#[allow(unused_imports)]
use super::*;
#[allow(unused_mut)]
pub fn rhai_module_generate() -> Module {
let mut m = Module::new();
m.set_sub_module("first_is", self::first_is::rhai_module_generate());
m.set_sub_module("second_is", self::second_is::rhai_module_generate());
m
}
}
};
let item_mod = syn::parse2::<Module>(input_tokens).unwrap();
assert_streams_eq(item_mod.generate(), expected_tokens);
}
#[test]
fn deep_tree_nested_module() {
let input_tokens: TokenStream = quote! {
pub mod heap_root {
pub const VALUE: INT = 100;
pub mod left {
pub const VALUE: INT = 19;
pub mod left {
pub const VALUE: INT = 17;
pub mod left {
pub const VALUE: INT = 2;
}
pub mod right {
pub const VALUE: INT = 7;
}
}
pub mod right {
pub const VALUE: INT = 3;
}
}
pub mod right {
pub const VALUE: INT = 36;
pub mod left {
pub const VALUE: INT = 25;
}
pub mod right {
pub const VALUE: INT = 1;
}
}
}
};
let expected_tokens = quote! {
pub mod heap_root {
pub const VALUE: INT = 100;
pub mod left {
pub const VALUE: INT = 19;
pub mod left {
pub const VALUE: INT = 17;
pub mod left {
pub const VALUE: INT = 2;
#[allow(unused_imports)]
use super::*;
#[allow(unused_mut)]
pub fn rhai_module_generate() -> Module {
let mut m = Module::new();
m.set_var("VALUE", 2);
m
}
}
pub mod right {
pub const VALUE: INT = 7;
#[allow(unused_imports)]
use super::*;
#[allow(unused_mut)]
pub fn rhai_module_generate() -> Module {
let mut m = Module::new();
m.set_var("VALUE", 7);
m
}
}
#[allow(unused_imports)]
use super::*;
#[allow(unused_mut)]
pub fn rhai_module_generate() -> Module {
let mut m = Module::new();
m.set_var("VALUE", 17);
m.set_sub_module("left", self::left::rhai_module_generate());
m.set_sub_module("right", self::right::rhai_module_generate());
m
}
}
pub mod right {
pub const VALUE: INT = 3;
#[allow(unused_imports)]
use super::*;
#[allow(unused_mut)]
pub fn rhai_module_generate() -> Module {
let mut m = Module::new();
m.set_var("VALUE", 3);
m
}
}
#[allow(unused_imports)]
use super::*;
#[allow(unused_mut)]
pub fn rhai_module_generate() -> Module {
let mut m = Module::new();
m.set_var("VALUE", 19);
m.set_sub_module("left", self::left::rhai_module_generate());
m.set_sub_module("right", self::right::rhai_module_generate());
m
}
}
pub mod right {
pub const VALUE: INT = 36;
pub mod left {
pub const VALUE: INT = 25;
#[allow(unused_imports)]
use super::*;
#[allow(unused_mut)]
pub fn rhai_module_generate() -> Module {
let mut m = Module::new();
m.set_var("VALUE", 25);
m
}
}
pub mod right {
pub const VALUE: INT = 1;
#[allow(unused_imports)]
use super::*;
#[allow(unused_mut)]
pub fn rhai_module_generate() -> Module {
let mut m = Module::new();
m.set_var("VALUE", 1);
m
}
}
#[allow(unused_imports)]
use super::*;
#[allow(unused_mut)]
pub fn rhai_module_generate() -> Module {
let mut m = Module::new();
m.set_var("VALUE", 36);
m.set_sub_module("left", self::left::rhai_module_generate());
m.set_sub_module("right", self::right::rhai_module_generate());
m
}
}
#[allow(unused_imports)]
use super::*;
#[allow(unused_mut)]
pub fn rhai_module_generate() -> Module {
let mut m = Module::new();
m.set_var("VALUE", 100);
m.set_sub_module("left", self::left::rhai_module_generate());
m.set_sub_module("right", self::right::rhai_module_generate());
m
}
}
};
let item_mod = syn::parse2::<Module>(input_tokens).unwrap();

20
codegen/src/rhai_module.rs
View File

@ -1,15 +1,18 @@
use quote::quote;
use crate::function::ExportedFn;
use crate::module::Module;
pub(crate) type ExportedConst = (String, syn::Expr);
pub(crate) fn generate_body(
fns: &Vec<ExportedFn>,
consts: &Vec<ExportedConst>,
submodules: &Vec<Module>,
) -> proc_macro2::TokenStream {
let mut set_fn_stmts: Vec<syn::Stmt> = Vec::new();
let mut set_const_stmts: Vec<syn::Stmt> = Vec::new();
let mut add_mod_stmts: Vec<syn::Stmt> = Vec::new();
let str_type_path = syn::parse2::<syn::Path>(quote! { str }).unwrap();
for (const_name, const_expr) in consts {
@ -22,6 +25,22 @@ pub(crate) fn generate_body(
);
}
for itemmod in submodules {
let module_name: &syn::Ident = itemmod.module_name().unwrap();
let exported_name: syn::LitStr = if let Some(name) = itemmod.exported_name() {
syn::LitStr::new(&name, proc_macro2::Span::call_site())
} else {
syn::LitStr::new(&module_name.to_string(), proc_macro2::Span::call_site())
};
add_mod_stmts.push(
syn::parse2::<syn::Stmt>(quote! {
m.set_sub_module(#exported_name, self::#module_name::rhai_module_generate());
})
.unwrap(),
);
}
// NB: these are token streams, because reparsing messes up "> >" vs ">>"
let mut gen_fn_tokens: Vec<proc_macro2::TokenStream> = Vec::new();
for function in fns {
@ -98,6 +117,7 @@ pub(crate) fn generate_body(
let mut m = Module::new();
#(#set_fn_stmts)*
#(#set_const_stmts)*
#(#add_mod_stmts)*
m
}
}

36
codegen/tests/test_nested.rs
View File

@ -34,3 +34,39 @@ fn one_fn_module_nested_attr_test() -> Result<(), Box<EvalAltResult>> {
);
Ok(())
}
pub mod one_fn_submodule_nested_attr {
use rhai::plugin::*;
#[export_module]
pub mod advanced_math {
#[rhai_mod(name = "constants")]
pub mod my_module {
use rhai::plugin::*;
use rhai::FLOAT;
#[rhai_fn(return_raw)]
pub fn get_mystic_number() -> Result<Dynamic, Box<EvalAltResult>> {
Ok(Dynamic::from(42.0 as FLOAT))
}
}
}
}
#[test]
fn one_fn_submodule_nested_attr_test() -> Result<(), Box<EvalAltResult>> {
let mut engine = Engine::new();
let m = rhai::exported_module!(crate::one_fn_submodule_nested_attr::advanced_math);
let mut r = StaticModuleResolver::new();
r.insert("Math::Advanced".to_string(), m);
engine.set_module_resolver(Some(r));
assert_eq!(
engine.eval::<FLOAT>(
r#"import "Math::Advanced" as math;
let m = math::constants::get_mystic_number();
m"#
)?,
42.0
);
Ok(())
}

29
codegen/ui_tests/rhai_mod_bad_attr.rs Normal file
View File

@ -0,0 +1,29 @@
use rhai::plugin::*;
#[derive(Clone)]
struct Point {
x: f32,
y: f32,
}
#[export_module]
pub mod test_module {
#[rhai_mod(unknown = "thing")]
pub mod test_mod {
pub fn test_fn(input: Point) -> bool {
input.x > input.y
}
}
}
fn main() {
let n = Point {
x: 0.0,
y: 10.0,
};
if test_module::test_fn(n) {
println!("yes");
} else {
println!("no");
}
}

11
codegen/ui_tests/rhai_mod_bad_attr.stderr Normal file
View File

@ -0,0 +1,11 @@
error: unknown attribute 'unknown'
--> $DIR/rhai_mod_bad_attr.rs:11:12
|
11 | #[rhai_mod(unknown = "thing")]
| ^^^^^^^
error[E0433]: failed to resolve: use of undeclared type or module `test_module`
--> $DIR/rhai_mod_bad_attr.rs:24:8
|
24 | if test_module::test_fn(n) {
| ^^^^^^^^^^^ use of undeclared type or module `test_module`

29
codegen/ui_tests/rhai_mod_bad_value.rs Normal file
View File

@ -0,0 +1,29 @@
use rhai::plugin::*;
#[derive(Clone)]
struct Point {
x: f32,
y: f32,
}
#[export_module]
pub mod test_module {
#[rhai_mod(name = true)]
pub mod test_mod {
pub fn test_fn(input: Point) -> bool {
input.x > input.y
}
}
}
fn main() {
let n = Point {
x: 0.0,
y: 10.0,
};
if test_module::test_fn(n) {
println!("yes");
} else {
println!("no");
}
}

11
codegen/ui_tests/rhai_mod_bad_value.stderr Normal file
View File

@ -0,0 +1,11 @@
error: expecting string literal
--> $DIR/rhai_mod_bad_value.rs:11:19
|
11 | #[rhai_mod(name = true)]
| ^^^^
error[E0433]: failed to resolve: use of undeclared type or module `test_module`
--> $DIR/rhai_mod_bad_value.rs:24:8
|
24 | if test_module::test_fn(n) {
| ^^^^^^^^^^^ use of undeclared type or module `test_module`

29
codegen/ui_tests/rhai_mod_junk_arg.rs Normal file
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@ -0,0 +1,29 @@
use rhai::plugin::*;
#[derive(Clone)]
struct Point {
x: f32,
y: f32,
}
#[export_module]
pub mod test_module {
#[rhai_mod("wheeeee")]
pub mod test_mod {
pub fn test_fn(input: Point) -> bool {
input.x > input.y
}
}
}
fn main() {
let n = Point {
x: 0.0,
y: 10.0,
};
if test_module::test_fn(n) {
println!("yes");
} else {
println!("no");
}
}

11
codegen/ui_tests/rhai_mod_junk_arg.stderr Normal file
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@ -0,0 +1,11 @@
error: expecting identifier
--> $DIR/rhai_mod_junk_arg.rs:11:12
|
11 | #[rhai_mod("wheeeee")]
| ^^^^^^^^^
error[E0433]: failed to resolve: use of undeclared type or module `test_module`
--> $DIR/rhai_mod_junk_arg.rs:24:8
|
24 | if test_module::test_fn(n) {
| ^^^^^^^^^^^ use of undeclared type or module `test_module`

29
codegen/ui_tests/rhai_mod_missing_value.rs Normal file
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@ -0,0 +1,29 @@
use rhai::plugin::*;
#[derive(Clone)]
struct Point {
x: f32,
y: f32,
}
#[export_module]
pub mod test_module {
#[rhai_mod(name)]
pub mod test_mod {
pub fn test_fn(input: Point) -> bool {
input.x > input.y
}
}
}
fn main() {
let n = Point {
x: 0.0,
y: 10.0,
};
if test_module::test_fn(n) {
println!("yes");
} else {
println!("no");
}
}

11
codegen/ui_tests/rhai_mod_missing_value.stderr Normal file
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@ -0,0 +1,11 @@
error: requires value
--> $DIR/rhai_mod_missing_value.rs:11:12
|
11 | #[rhai_mod(name)]
| ^^^^
error[E0433]: failed to resolve: use of undeclared type or module `test_module`
--> $DIR/rhai_mod_missing_value.rs:24:8
|
24 | if test_module::test_fn(n) {
| ^^^^^^^^^^^ use of undeclared type or module `test_module`

29
codegen/ui_tests/rhai_mod_path_attr.rs Normal file
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@ -0,0 +1,29 @@
use rhai::plugin::*;
#[derive(Clone)]
struct Point {
x: f32,
y: f32,
}
#[export_module]
pub mod test_module {
#[rhai_mod(rhai::name = "thing")]
pub mod test_mod {
pub fn test_fn(input: Point) -> bool {
input.x > input.y
}
}
}
fn main() {
let n = Point {
x: 0.0,
y: 10.0,
};
if test_module::test_fn(n) {
println!("yes");
} else {
println!("no");
}
}

11
codegen/ui_tests/rhai_mod_path_attr.stderr Normal file
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@ -0,0 +1,11 @@
error: expecting attribute name
--> $DIR/rhai_mod_path_attr.rs:11:12
|
11 | #[rhai_mod(rhai::name = "thing")]
| ^^^^^^^^^^
error[E0433]: failed to resolve: use of undeclared type or module `test_module`
--> $DIR/rhai_mod_path_attr.rs:24:8
|
24 | if test_module::test_fn(n) {
| ^^^^^^^^^^^ use of undeclared type or module `test_module`

29
codegen/ui_tests/rhai_mod_return_raw.rs Normal file
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@ -0,0 +1,29 @@
use rhai::plugin::*;
#[derive(Clone)]
struct Point {
x: f32,
y: f32,
}
#[export_module]
pub mod test_module {
#[rhai_mod(return_raw = "yes")]
pub mod test_mod {
pub fn test_fn(input: Point) -> bool {
input.x > input.y
}
}
}
fn main() {
let n = Point {
x: 0.0,
y: 10.0,
};
if test_module::test_fn(n) {
println!("yes");
} else {
println!("no");
}
}

11
codegen/ui_tests/rhai_mod_return_raw.stderr Normal file
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@ -0,0 +1,11 @@
error: unknown attribute 'return_raw'
--> $DIR/rhai_mod_return_raw.rs:11:12
|
11 | #[rhai_mod(return_raw = "yes")]
| ^^^^^^^^^^
error[E0433]: failed to resolve: use of undeclared type or module `test_module`
--> $DIR/rhai_mod_return_raw.rs:24:8
|
24 | if test_module::test_fn(n) {
| ^^^^^^^^^^^ use of undeclared type or module `test_module`