wasmer_compiler_singlepass/
config.rs

1// Allow unused imports while developing
2#![allow(unused_imports, dead_code)]
3
4use crate::compiler::SinglepassCompiler;
5use std::sync::Arc;
6use wasmer_compiler::{Compiler, CompilerConfig, Engine, EngineBuilder, ModuleMiddleware};
7use wasmer_types::{
8    Features,
9    target::{CpuFeature, Target},
10};
11
12#[derive(Debug, Clone)]
13pub struct Singlepass {
14    pub(crate) enable_nan_canonicalization: bool,
15    /// The middleware chain.
16    pub(crate) middlewares: Vec<Arc<dyn ModuleMiddleware>>,
17}
18
19impl Singlepass {
20    /// Creates a new configuration object with the default configuration
21    /// specified.
22    pub fn new() -> Self {
23        Self {
24            enable_nan_canonicalization: true,
25            middlewares: vec![],
26        }
27    }
28
29    pub fn canonicalize_nans(&mut self, enable: bool) -> &mut Self {
30        self.enable_nan_canonicalization = enable;
31        self
32    }
33}
34
35impl CompilerConfig for Singlepass {
36    fn enable_pic(&mut self) {
37        // Do nothing, since singlepass already emits
38        // PIC code.
39    }
40
41    /// Transform it into the compiler
42    fn compiler(self: Box<Self>) -> Box<dyn Compiler> {
43        Box::new(SinglepassCompiler::new(*self))
44    }
45
46    /// Gets the supported features for this compiler in the given target
47    fn supported_features_for_target(&self, _target: &Target) -> Features {
48        let mut features = Features::default();
49        features.multi_value(false);
50        features
51    }
52
53    /// Pushes a middleware onto the back of the middleware chain.
54    fn push_middleware(&mut self, middleware: Arc<dyn ModuleMiddleware>) {
55        self.middlewares.push(middleware);
56    }
57}
58
59impl Default for Singlepass {
60    fn default() -> Singlepass {
61        Self::new()
62    }
63}
64
65impl From<Singlepass> for Engine {
66    fn from(config: Singlepass) -> Self {
67        EngineBuilder::new(config).engine()
68    }
69}
wasmer_compiler_singlepass/config.rs

wasmer_compiler_singlepass/
config.rs
