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fix get_output_type

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This commit is contained in:
vms 2021-04-01 14:42:23 +03:00
parent a4908f37cd
commit a0fd5b2bc6
2 changed files with 10 additions and 6 deletions
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3
crates/fce-test-macro-impl/src/errors.rs
View File

@ -42,6 +42,9 @@ pub enum TestGeneratorError {
"neither modules_dir attribute specified nor service config contains modules_dir, please specify one of them"
)]
ModulesDirUnspecified,
#[error("a Wasm file compiled with newer version of sdk that supports multi-value")]
ManyFnOutputsUnsupported,
}
#[derive(Debug, ThisError)]

13
crates/fce-test-macro-impl/src/fce_test/module_generator/methods_generator.rs
View File

@ -16,6 +16,7 @@
use crate::fce_test::utils;
use crate::TResult;
use crate::TestGeneratorError;
use fce_wit_parser::interface::it::IType;
use fce_wit_parser::interface::it::IFunctionArg;
@ -56,7 +57,7 @@ fn generate_fce_call(
let args = method_signature.arguments.iter().map(|a| a.name.as_str());
let convert_arguments = generate_arguments_converter(args)?;
let output_type = get_output_type(&method_signature.outputs);
let output_type = get_output_type(&method_signature.outputs)?;
let set_result = generate_set_result(&output_type);
let function_call = generate_function_call(module_name, &method_signature.name);
let convert_result_to_output_type = generate_convert_to_output(&output_type, records)?;
@ -140,7 +141,7 @@ fn generate_arguments<'a, 'r>(
}
fn generate_output_type(output_types: &[IType], records: &FCERecordTypes) -> TResult<TokenStream> {
let output_type = get_output_type(output_types);
let output_type = get_output_type(output_types)?;
match output_type {
None => Ok(TokenStream::new()),
Some(ty) => {
@ -152,10 +153,10 @@ fn generate_output_type(output_types: &[IType], records: &FCERecordTypes) -> TRe
}
}
fn get_output_type(output_types: &[IType]) -> Option<&IType> {
fn get_output_type(output_types: &[IType]) -> TResult<Option<&IType>> {
match output_types.len() {
0 => None,
1 => Some(&output_types[0]),
_ => unimplemented!("function with more than 1 arguments aren't supported now"),
0 => Ok(None),
1 => Ok(Some(&output_types[0])),
_ => Err(TestGeneratorError::ManyFnOutputsUnsupported),
}
}