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Sergey Pepyakin c96735d6d6 Wasm function can only trap (#29) 
* Introduce Trap struct.

* get_local can't fail.

* Add MemoryOutOfBounds trap.

* from_little_endian use slice instead of vec.

* MemoryAccessOutOfBounds for mem get and set.

* from_little_endian conversion can't fail.

* call_indirect traps.

* DivisionByZero and InvalidConversionToInt

* Use traps in value to convey an error

* select: int condition on stack top

* if: int condition on stack top

* Assert pops.

* Another protions of assert pops

* Introduce ValueStack

Also, hide FunctionContext and remove some stale code

* Traps in execution

* Make it compile.

* Check args before invoke.

* Document RuntimeArgs.

* Update host.rs

* Add rustdoc for Trap.
 		2018-02-01 14:59:21 +03:00
examples Wasm function can only trap (#29) 2018-02-01 14:59:21 +03:00
fuzz Fix indent 2018-01-26 16:28:36 +03:00
res/cases/v1 Initial commit 2018-01-17 19:54:06 +03:00
spec Wasm function can only trap (#29) 2018-02-01 14:59:21 +03:00
src Wasm function can only trap (#29) 2018-02-01 14:59:21 +03:00
.editorconfig [skip-ci] Add .editorconfig 2018-01-22 20:08:17 +03:00
.gitignore Add spec tests. 2018-01-22 17:55:43 +03:00
.gitmodules Add spec tests. 2018-01-22 17:55:43 +03:00
.travis.yml Add handy scripts (#30) 2018-01-31 22:13:50 +03:00
Cargo.toml Update to most recent parity-wasm (#21) 2018-01-26 18:35:12 +03:00
LICENSE-APACHE Update copyrights 2018-01-23 19:51:29 +03:00
LICENSE-MIT Update copyrights 2018-01-23 19:51:29 +03:00
README.md Update README.md 2018-01-23 20:07:09 +03:00
check.sh Add handy scripts (#30) 2018-01-31 22:13:50 +03:00
doc.sh Add handy scripts (#30) 2018-01-31 22:13:50 +03:00
test.sh Add handy scripts (#30) 2018-01-31 22:13:50 +03:00

README.md

wasmi

WASM interpreter (previously lived in parity-wasm)

Primary purpose of wasmi is to be used with parity (ethereum-like contracts in wasm) and with Polkadot. However, wasmi is designed to be as flexible as possible and might be suited well for other purposes.

At the moment, the API is rather low-level (especially, in the part related to host functions). But some high-level API is on the roadmap.

License

wasmi is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0), at your choice.

See LICENSE-APACHE, and LICENSE-MIT for details.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in wasmi by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.