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fix signature return types amount specification

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This commit is contained in:
NikVolf 2018-03-25 12:53:00 +03:00
parent 42c60e9154
commit 0a61083238
3 changed files with 8 additions and 5 deletions
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2
Cargo.toml
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@ -1,6 +1,6 @@
[package]
name = "parity-wasm"
version = "0.27.4"
version = "0.27.5"
authors = ["Nikolay Volf <nikvolf@gmail.com>", "Svyatoslav Nikolsky <svyatonik@yandex.ru>", "Sergey Shulepov <s.pepyakin@gmail.com>"]
license = "MIT/Apache-2.0"
readme = "README.md"

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res/cases/v1/err-return-type.wasm Normal file
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11
src/elements/types.rs
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@ -1,7 +1,7 @@
use std::{io, fmt};
use super::{
Deserialize, Serialize, Error, VarUint7, VarInt7, VarUint1, CountedList,
CountedListWriter
CountedListWriter, VarUint32,
};
/// Type definition in types section. Currently can be only of the function type.
@ -177,11 +177,14 @@ impl Deserialize for FunctionType {
let params: Vec<ValueType> = CountedList::deserialize(reader)?.into_inner();
let has_return_type = VarUint1::deserialize(reader)?;
let return_type = if has_return_type.into() {
let return_types: u32 = VarUint32::deserialize(reader)?.into();
let return_type = if return_types == 1 {
Some(ValueType::deserialize(reader)?)
} else {
} else if return_types == 0 {
None
} else {
return Err(Error::Other("Return types length should be 0 or 1"));
};
Ok(FunctionType {