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Allow NativeCallContext in function arguments.

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This commit is contained in:
Stephen Chung
2020-10-18 21:47:34 +08:00
parent dc4c47e008
commit 46b92c9d1f
17 changed files with 710 additions and 534 deletions
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71
codegen/src/test/function.rs
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@@ -277,9 +277,7 @@ mod generate_tests {
use super::*;
struct Token();
impl PluginFunction for Token {
fn call(&self,
args: &mut [&mut Dynamic]
) -> Result<Dynamic, Box<EvalAltResult>> {
fn call(&self, context: NativeCallContext, args: &mut [&mut Dynamic]) -> Result<Dynamic, Box<EvalAltResult>> {
debug_assert_eq!(args.len(), 0usize,
"wrong arg count: {} != {}", args.len(), 0usize);
Ok(Dynamic::from(do_nothing()))
@@ -320,9 +318,7 @@ mod generate_tests {
use super::*;
struct Token();
impl PluginFunction for Token {
fn call(&self,
args: &mut [&mut Dynamic]
) -> Result<Dynamic, Box<EvalAltResult>> {
fn call(&self, context: NativeCallContext, args: &mut [&mut Dynamic]) -> Result<Dynamic, Box<EvalAltResult>> {
debug_assert_eq!(args.len(), 1usize,
"wrong arg count: {} != {}", args.len(), 1usize);
let arg0 = mem::take(args[0usize]).cast::<usize>();
@@ -352,6 +348,49 @@ mod generate_tests {
assert_streams_eq(item_fn.generate(), expected_tokens);
}
#[test]
fn one_arg_fn_with_context() {
let input_tokens: TokenStream = quote! {
pub fn do_something(context: NativeCallContext, x: usize) {}
};
let expected_tokens = quote! {
#[allow(unused)]
pub mod rhai_fn_do_something {
use super::*;
struct Token();
impl PluginFunction for Token {
fn call(&self, context: NativeCallContext, args: &mut [&mut Dynamic]) -> Result<Dynamic, Box<EvalAltResult>> {
debug_assert_eq!(args.len(), 1usize,
"wrong arg count: {} != {}", args.len(), 1usize);
let arg0 = mem::take(args[0usize]).cast::<usize>();
Ok(Dynamic::from(do_something(context, arg0)))
}
fn is_method_call(&self) -> bool { false }
fn is_variadic(&self) -> bool { false }
fn clone_boxed(&self) -> Box<dyn PluginFunction> { Box::new(Token()) }
fn input_types(&self) -> Box<[TypeId]> {
new_vec![TypeId::of::<usize>()].into_boxed_slice()
}
}
pub fn token_callable() -> CallableFunction {
Token().into()
}
pub fn token_input_types() -> Box<[TypeId]> {
Token().input_types()
}
pub fn dynamic_result_fn(context: NativeCallContext, x: usize) -> Result<Dynamic, Box<EvalAltResult> > {
Ok(Dynamic::from(super::do_something(context, x)))
}
}
};
let item_fn = syn::parse2::<ExportedFn>(input_tokens).unwrap();
assert!(item_fn.pass_context());
assert_streams_eq(item_fn.generate(), expected_tokens);
}
#[test]
fn return_dynamic() {
let input_tokens: TokenStream = quote! {
@@ -366,9 +405,7 @@ mod generate_tests {
use super::*;
struct Token();
impl PluginFunction for Token {
fn call(&self,
args: &mut [&mut Dynamic]
) -> Result<Dynamic, Box<EvalAltResult>> {
fn call(&self, context: NativeCallContext, args: &mut [&mut Dynamic]) -> Result<Dynamic, Box<EvalAltResult>> {
debug_assert_eq!(args.len(), 0usize,
"wrong arg count: {} != {}", args.len(), 0usize);
Ok(return_dynamic())
@@ -405,9 +442,7 @@ mod generate_tests {
let expected_tokens = quote! {
impl PluginFunction for MyType {
fn call(&self,
args: &mut [&mut Dynamic]
) -> Result<Dynamic, Box<EvalAltResult>> {
fn call(&self, context: NativeCallContext, args: &mut [&mut Dynamic]) -> Result<Dynamic, Box<EvalAltResult>> {
debug_assert_eq!(args.len(), 1usize,
"wrong arg count: {} != {}", args.len(), 1usize);
let arg0 = mem::take(args[0usize]).cast::<usize>();
@@ -439,9 +474,7 @@ mod generate_tests {
use super::*;
struct Token();
impl PluginFunction for Token {
fn call(&self,
args: &mut [&mut Dynamic]
) -> Result<Dynamic, Box<EvalAltResult>> {
fn call(&self, context: NativeCallContext, args: &mut [&mut Dynamic]) -> Result<Dynamic, Box<EvalAltResult>> {
debug_assert_eq!(args.len(), 2usize,
"wrong arg count: {} != {}", args.len(), 2usize);
let arg0 = mem::take(args[0usize]).cast::<usize>();
@@ -485,9 +518,7 @@ mod generate_tests {
use super::*;
struct Token();
impl PluginFunction for Token {
fn call(&self,
args: &mut [&mut Dynamic]
) -> Result<Dynamic, Box<EvalAltResult>> {
fn call(&self, context: NativeCallContext, args: &mut [&mut Dynamic]) -> Result<Dynamic, Box<EvalAltResult>> {
debug_assert_eq!(args.len(), 2usize,
"wrong arg count: {} != {}", args.len(), 2usize);
let arg1 = mem::take(args[1usize]).cast::<usize>();
@@ -532,9 +563,7 @@ mod generate_tests {
use super::*;
struct Token();
impl PluginFunction for Token {
fn call(&self,
args: &mut [&mut Dynamic]
) -> Result<Dynamic, Box<EvalAltResult>> {
fn call(&self, context: NativeCallContext, args: &mut [&mut Dynamic]) -> Result<Dynamic, Box<EvalAltResult>> {
debug_assert_eq!(args.len(), 1usize,
"wrong arg count: {} != {}", args.len(), 1usize);
let arg0 = mem::take(args[0usize]).take_immutable_string().unwrap();