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Use wabt spec module (#48) 

Use wabt-rs script parser to parse official testsuite.
This commit is contained in:
Sergey Pepyakin 2018-02-14 13:40:31 +03:00 committed by GitHub
parent 07fbe31ec2
commit c99ee1d986
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 113 additions and 356 deletions
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6
.gitmodules vendored
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@ -1,3 +1,3 @@
[submodule "spec/wabt"]
path = spec/wabt
url = https://github.com/WebAssembly/wabt.git
[submodule "spec/testsuite"]
path = spec/testsuite
url = https://github.com/webassembly/testsuite

14
spec/Cargo.toml
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@ -7,19 +7,7 @@ readme = "README.md"
repository = "https://github.com/nikvolf/parity-wasm"
homepage = "https://github.com/nikvolf/parity-wasm"
description = "parity-wasm testsuite"
build = "build.rs"
[build-dependencies]
cmake = "0.1"
[dependencies]
wasmi = { path = ".." }
serde_json = "1.0"
serde_derive = "1.0"
serde = "1.0"
[dev-dependencies]
wasmi = { path = ".." }
serde_json = "1.0"
serde_derive = "1.0"
serde = "1.0"
wabt = "0.2.0"

8
spec/build.rs
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@ -1,8 +0,0 @@
extern crate cmake;
use cmake::Config;
fn main() {
let _dst = Config::new("wabt")
.define("BUILD_TESTS", "OFF")
.build();
}

5
spec/src/lib.rs
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@ -1,9 +1,6 @@
#[cfg_attr(test, macro_use)] #[cfg(test)] extern crate serde_derive;
extern crate wasmi;
extern crate serde;
extern crate serde_json;
extern crate wabt;
mod run;
mod test;
mod fixtures;

330
spec/src/run.rs
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@ -1,27 +1,30 @@
#![cfg(test)]
use std::env;
use std::path::{Path, PathBuf};
use std::process::Command;
use std::fs::File;
use std::collections::HashMap;
use serde_json;
use super::test;
use wasmi::{
Error as InterpreterError, Externals, FuncRef,
GlobalInstance, GlobalRef, ImportResolver, ImportsBuilder,
MemoryInstance, MemoryRef, ModuleImportResolver, ModuleInstance,
ModuleRef, RuntimeValue, TableInstance, TableRef, ValueType,
Module, Signature, MemoryDescriptor, Trap,
TableDescriptor, GlobalDescriptor, FuncInstance, RuntimeArgs,
};
Error as InterpreterError, Externals, FuncInstance, FuncRef, GlobalDescriptor,
GlobalInstance, GlobalRef, ImportResolver, ImportsBuilder, MemoryDescriptor,
MemoryInstance, MemoryRef, Module, ModuleImportResolver, ModuleInstance, ModuleRef,
RuntimeArgs, RuntimeValue, Signature, TableDescriptor, TableInstance, TableRef, Trap,
ValueType};
use wasmi::memory_units::Pages;
use wabt::script::{self, Action, Command, CommandKind, ScriptParser, Value};
fn spec_to_runtime_value(value: Value) -> RuntimeValue {
match value {
Value::I32(v) => RuntimeValue::I32(v),
Value::I64(v) => RuntimeValue::I64(v),
Value::F32(v) => RuntimeValue::F32(v),
Value::F64(v) => RuntimeValue::F64(v),
}
}
#[derive(Debug)]
enum Error {
Load(String),
Start(Trap),
Script(script::Error),
Interpreter(InterpreterError),
}
@ -31,6 +34,12 @@ impl From<InterpreterError> for Error {
}
}
impl From<script::Error> for Error {
fn from(e: script::Error) -> Error {
Error::Script(e)
}
}
struct SpecModule {
table: TableRef,
memory: MemoryRef,
@ -88,9 +97,10 @@ impl ModuleImportResolver for SpecModule {
return Ok(func);
}
Err(InterpreterError::Instantiation(
format!("Unknown host func import {}", field_name),
))
Err(InterpreterError::Instantiation(format!(
"Unknown host func import {}",
field_name
)))
}
fn resolve_global(
@ -107,9 +117,10 @@ impl ModuleImportResolver for SpecModule {
};
}
Err(InterpreterError::Instantiation(
format!("Unknown host global import {}", field_name),
))
Err(InterpreterError::Instantiation(format!(
"Unknown host global import {}",
field_name
)))
}
fn resolve_memory(
@ -121,9 +132,10 @@ impl ModuleImportResolver for SpecModule {
return Ok(self.memory.clone());
}
Err(InterpreterError::Instantiation(
format!("Unknown host memory import {}", field_name),
))
Err(InterpreterError::Instantiation(format!(
"Unknown host memory import {}",
field_name
)))
}
fn resolve_table(
@ -135,9 +147,10 @@ impl ModuleImportResolver for SpecModule {
return Ok(self.table.clone());
}
Err(InterpreterError::Instantiation(
format!("Unknown host table import {}", field_name),
))
Err(InterpreterError::Instantiation(format!(
"Unknown host table import {}",
field_name
)))
}
}
@ -176,9 +189,9 @@ impl SpecDriver {
fn module_or_last(&self, name: Option<&str>) -> Result<ModuleRef, InterpreterError> {
match name {
Some(name) => self.module(name),
None => self.last_module.clone().ok_or_else(|| {
InterpreterError::Instantiation("No modules registered".into())
}),
None => self.last_module
.clone()
.ok_or_else(|| InterpreterError::Instantiation("No modules registered".into())),
}
}
}
@ -241,23 +254,12 @@ impl ImportResolver for SpecDriver {
}
}
fn try_load_module(base_dir: &Path, module_path: &str) -> Result<Module, Error> {
use std::io::prelude::*;
let mut wasm_path = PathBuf::from(base_dir.clone());
wasm_path.push(module_path);
let mut file = File::open(wasm_path).unwrap();
let mut buf = Vec::new();
file.read_to_end(&mut buf).unwrap();
Module::from_buffer(buf).map_err(|e| Error::Load(e.to_string()))
fn try_load_module(wasm: &[u8]) -> Result<Module, Error> {
Module::from_buffer(wasm).map_err(|e| Error::Load(e.to_string()))
}
fn try_load(
base_dir: &Path,
module_path: &str,
spec_driver: &mut SpecDriver,
) -> Result<(), Error> {
let module = try_load_module(base_dir, module_path)?;
fn try_load(wasm: &[u8], spec_driver: &mut SpecDriver) -> Result<(), Error> {
let module = try_load_module(wasm)?;
let instance = ModuleInstance::new(&module, &ImportsBuilder::default())?;
instance
.run_start(spec_driver.spec_module())
@ -265,14 +267,8 @@ fn try_load(
Ok(())
}
fn load_module(
base_dir: &Path,
path: &str,
name: &Option<String>,
spec_driver: &mut SpecDriver,
) -> ModuleRef {
let module =
try_load_module(base_dir, path).expect(&format!("Wasm file {} failed to load", path));
fn load_module(wasm: &[u8], name: &Option<String>, spec_driver: &mut SpecDriver) -> ModuleRef {
let module = try_load_module(wasm).expect(&format!("Wasm failed to load"));
let instance = ModuleInstance::new(&module, spec_driver)
.expect("Instantiation failed")
.run_start(spec_driver.spec_module())
@ -284,66 +280,42 @@ fn load_module(
instance
}
fn runtime_value(test_val: &test::RuntimeValue) -> RuntimeValue {
match test_val.value_type.as_ref() {
"i32" => {
let unsigned: u32 = test_val.value.parse().expect("Literal parse error");
RuntimeValue::I32(unsigned as i32)
}
"i64" => {
let unsigned: u64 = test_val.value.parse().expect("Literal parse error");
RuntimeValue::I64(unsigned as i64)
}
"f32" => {
let unsigned: u32 = test_val.value.parse().expect("Literal parse error");
RuntimeValue::decode_f32(unsigned)
}
"f64" => {
let unsigned: u64 = test_val.value.parse().expect("Literal parse error");
RuntimeValue::decode_f64(unsigned)
}
_ => panic!("Unknwon runtime value type"),
}
}
fn runtime_values(test_vals: &[test::RuntimeValue]) -> Vec<RuntimeValue> {
test_vals
.iter()
.map(runtime_value)
.collect::<Vec<RuntimeValue>>()
}
fn run_action(
program: &mut SpecDriver,
action: &test::Action,
action: &Action,
) -> Result<Option<RuntimeValue>, InterpreterError> {
match *action {
test::Action::Invoke {
Action::Invoke {
ref module,
ref field,
ref args,
} => {
let module = program.module_or_last(module.as_ref().map(|x| x.as_ref())).expect(&format!(
"Expected program to have loaded module {:?}",
module
));
let module = program
.module_or_last(module.as_ref().map(|x| x.as_ref()))
.expect(&format!(
"Expected program to have loaded module {:?}",
module
));
module.invoke_export(
&jstring_to_rstring(field),
&runtime_values(args),
field,
&args.iter()
.cloned()
.map(spec_to_runtime_value)
.collect::<Vec<_>>(),
program.spec_module(),
)
}
test::Action::Get {
Action::Get {
ref module,
ref field,
..
} => {
let module = program.module_or_last(module.as_ref().map(|x| x.as_ref())).expect(&format!(
"Expected program to have loaded module {:?}",
module
));
let field = jstring_to_rstring(&field);
let module = program
.module_or_last(module.as_ref().map(|x| x.as_ref()))
.expect(&format!(
"Expected program to have loaded module {:?}",
module
));
let global = module
.export_by_name(&field)
.ok_or_else(|| {
@ -359,92 +331,29 @@ fn run_action(
}
}
pub struct FixtureParams {
failing: bool,
json: String,
}
pub fn run_wast2wasm(name: &str) -> FixtureParams {
let outdir = env::var("OUT_DIR").unwrap();
let mut wast2wasm_path = PathBuf::from(outdir.clone());
wast2wasm_path.push("bin");
wast2wasm_path.push("wast2json");
let mut json_spec_path = PathBuf::from(outdir.clone());
json_spec_path.push(&format!("{}.json", name));
let wast2wasm_output = Command::new(wast2wasm_path)
.arg("-o")
.arg(&json_spec_path)
.arg(&format!("./wabt/third_party/testsuite/{}.wast", name))
.output()
.expect("Failed to execute process");
FixtureParams {
json: json_spec_path.to_str().unwrap().to_owned(),
failing: {
if !wast2wasm_output.status.success() {
println!("wast2json error code: {}", wast2wasm_output.status);
println!(
"wast2json stdout: {}",
String::from_utf8_lossy(&wast2wasm_output.stdout)
);
println!(
"wast2json stderr: {}",
String::from_utf8_lossy(&wast2wasm_output.stderr)
);
true
} else {
false
}
},
}
}
pub fn spec(name: &str) {
let tmpdir = env::var("OUT_DIR").unwrap();
let fixture = run_wast2wasm(name);
let wast2wasm_fail_expected = name.ends_with(".fail");
if wast2wasm_fail_expected {
if !fixture.failing {
panic!("wast2json expected to fail, but terminated normally");
}
// Failing fixture, bail out.
return;
}
if fixture.failing {
panic!("wast2json terminated abnormally, expected to success");
}
let mut f =
File::open(&fixture.json).expect(&format!("Failed to load json file {}", &fixture.json));
let spec: test::Spec =
serde_json::from_reader(&mut f).expect("Failed to deserialize JSON file");
println!("running test: {}", name);
try_spec(name).expect("Failed to run spec");
}
fn try_spec(name: &str) -> Result<(), Error> {
let mut spec_driver = SpecDriver::new();
for command in &spec.commands {
println!("command {:?}", command);
match command {
&test::Command::Module {
ref name,
ref filename,
..
} => {
load_module(tmpdir.as_ref(), &filename, &name, &mut spec_driver);
let spec_script_path = format!("testsuite/{}.wast", name);
let mut parser = ScriptParser::from_file(spec_script_path).expect("Can't read spec script");
while let Some(Command { kind, line }) = parser.next()? {
match kind {
CommandKind::Module { name, module, .. } => {
load_module(&module.into_vec()?, &name, &mut spec_driver);
}
&test::Command::AssertReturn {
line,
ref action,
ref expected,
} => {
let result = run_action(&mut spec_driver, action);
CommandKind::AssertReturn { action, expected } => {
let result = run_action(&mut spec_driver, &action);
match result {
Ok(result) => {
let spec_expected = runtime_values(expected);
let spec_expected = expected
.iter()
.cloned()
.map(spec_to_runtime_value)
.collect::<Vec<_>>();
let actual_result = result.into_iter().collect::<Vec<RuntimeValue>>();
for (actual_result, spec_expected) in
actual_result.iter().zip(spec_expected.iter())
@ -470,9 +379,9 @@ pub fn spec(name: &str) {
}
}
}
&test::Command::AssertReturnCanonicalNan { line, ref action } |
&test::Command::AssertReturnArithmeticNan { line, ref action } => {
let result = run_action(&mut spec_driver, action);
CommandKind::AssertReturnCanonicalNan { action }
| CommandKind::AssertReturnArithmeticNan { action } => {
let result = run_action(&mut spec_driver, &action);
match result {
Ok(result) => {
for actual_result in result.into_iter().collect::<Vec<RuntimeValue>>() {
@ -495,19 +404,15 @@ pub fn spec(name: &str) {
}
}
}
&test::Command::AssertExhaustion {
line, ref action, ..
} => {
let result = run_action(&mut spec_driver, action);
CommandKind::AssertExhaustion { action, .. } => {
let result = run_action(&mut spec_driver, &action);
match result {
Ok(result) => panic!("Expected exhaustion, got result: {:?}", result),
Err(e) => println!("assert_exhaustion at line {} - success ({:?})", line, e),
}
}
&test::Command::AssertTrap {
line, ref action, ..
} => {
let result = run_action(&mut spec_driver, action);
CommandKind::AssertTrap { action, .. } => {
let result = run_action(&mut spec_driver, &action);
match result {
Ok(result) => {
panic!(
@ -520,55 +425,34 @@ pub fn spec(name: &str) {
}
}
}
&test::Command::AssertInvalid {
line, ref filename, ..
} |
&test::Command::AssertMalformed {
line, ref filename, ..
} |
&test::Command::AssertUnlinkable {
line, ref filename, ..
} => {
let module_load = try_load(tmpdir.as_ref(), filename, &mut spec_driver);
CommandKind::AssertInvalid { module, .. }
| CommandKind::AssertMalformed { module, .. }
| CommandKind::AssertUnlinkable { module, .. } => {
let module_load = try_load(&module.into_vec()?, &mut spec_driver);
match module_load {
Ok(_) => panic!("Expected invalid module definition, got some module!"),
Err(e) => println!("assert_invalid at line {} - success ({:?})", line, e),
}
}
&test::Command::AssertUninstantiable {
line, ref filename, ..
} => match try_load(tmpdir.as_ref(), &filename, &mut spec_driver) {
Ok(_) => panic!("Expected error running start function at line {}", line),
Err(e) => println!("assert_uninstantiable - success ({:?})", e),
},
&test::Command::Register {
line,
ref name,
ref as_name,
..
} => {
CommandKind::AssertUninstantiable { module, .. } => {
match try_load(&module.into_vec()?, &mut spec_driver) {
Ok(_) => panic!("Expected error running start function at line {}", line),
Err(e) => println!("assert_uninstantiable - success ({:?})", e),
}
}
CommandKind::Register { name, as_name, .. } => {
let module = match spec_driver.module_or_last(name.as_ref().map(|x| x.as_ref())) {
Ok(module) => module,
Err(e) => panic!("No such module, at line {} - ({:?})", e, line),
};
spec_driver.add_module(Some(as_name.clone()), module);
}
&test::Command::Action { line, ref action } => {
match run_action(&mut spec_driver, action) {
Ok(_) => {}
Err(e) => panic!("Failed to invoke action at line {}: {:?}", line, e),
}
}
CommandKind::PerformAction(action) => match run_action(&mut spec_driver, &action) {
Ok(_) => {}
Err(e) => panic!("Failed to invoke action at line {}: {:?}", line, e),
},
}
}
}
// Convert json string to correct rust UTF8 string.
// The reason is that, for example, rust character "\u{FEEF}" (3-byte UTF8 BOM) is represented as "\u00ef\u00bb\u00bf" in spec json.
// It is incorrect. Correct BOM representation in json is "\uFEFF" => we need to do a double utf8-parse here.
// This conversion is incorrect in general case (casting char to u8)!!!
fn jstring_to_rstring(jstring: &str) -> String {
let jstring_chars: Vec<u8> = jstring.chars().map(|c| c as u8).collect();
let rstring = String::from_utf8(jstring_chars).unwrap();
rstring
Ok(())
}

104
spec/src/test.rs
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@ -1,104 +0,0 @@
#![cfg(test)]
#[derive(Deserialize, Debug)]
pub struct RuntimeValue {
#[serde(rename = "type")]
pub value_type: String,
pub value: String,
}
#[derive(Deserialize, Debug)]
#[serde(tag = "type")]
pub enum Action {
#[serde(rename = "invoke")]
Invoke {
module: Option<String>,
field: String,
args: Vec<RuntimeValue>,
},
#[serde(rename = "get")]
Get {
module: Option<String>,
field: String,
}
}
#[derive(Deserialize, Debug)]
#[serde(tag = "type")]
pub enum Command {
#[serde(rename = "module")]
Module {
line: u64,
name: Option<String>,
filename: String
},
#[serde(rename = "assert_return")]
AssertReturn {
line: u64,
action: Action,
expected: Vec<RuntimeValue>,
},
#[serde(rename = "assert_return_canonical_nan")]
AssertReturnCanonicalNan {
line: u64,
action: Action,
},
#[serde(rename = "assert_return_arithmetic_nan")]
AssertReturnArithmeticNan {
line: u64,
action: Action,
},
#[serde(rename = "assert_trap")]
AssertTrap {
line: u64,
action: Action,
text: String,
},
#[serde(rename = "assert_invalid")]
AssertInvalid {
line: u64,
filename: String,
text: String,
},
#[serde(rename = "assert_malformed")]
AssertMalformed {
line: u64,
filename: String,
text: String,
},
#[serde(rename = "assert_uninstantiable")]
AssertUninstantiable {
line: u64,
filename: String,
text: String,
},
#[serde(rename = "assert_exhaustion")]
AssertExhaustion {
line: u64,
action: Action,
},
#[serde(rename = "assert_unlinkable")]
AssertUnlinkable {
line: u64,
filename: String,
text: String,
},
#[serde(rename = "register")]
Register {
line: u64,
name: Option<String>,
#[serde(rename = "as")]
as_name: String,
},
#[serde(rename = "action")]
Action {
line: u64,
action: Action,
},
}
#[derive(Deserialize, Debug)]
pub struct Spec {
pub source_filename: String,
pub commands: Vec<Command>,
}

1
spec/testsuite Submodule

@ -0,0 +1 @@
Subproject commit b38bf51ea9c956951b9466aa8243d9727d009bb2

1
spec/wabt

@ -1 +0,0 @@
Subproject commit a74072b2163ca20645e4a313636507cb3984f5fb