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use super::IValue;
use super::IType;
use crate::HostImportError;
use wasmer_wasi::WasiVersion;
use wasmer_runtime::ImportObject;
use wasmer_core::vm::Ctx;
use std::path::PathBuf;
use std::collections::HashMap;
use std::collections::HashSet;
pub type HostExportedFunc = Box<dyn Fn(&mut Ctx, Vec<IValue>) -> Option<IValue> + 'static>;
pub struct HostImportDescriptor {
pub host_exported_func: HostExportedFunc,
pub argument_types: Vec<IType>,
pub output_type: Option<IType>,
pub error_handler: Option<Box<dyn Fn(&HostImportError) -> Option<IValue> + 'static>>,
}
pub struct FCEModuleConfig {
pub mem_pages_count: u32,
pub raw_imports: ImportObject,
pub host_imports: HashMap<String, HostImportDescriptor>,
pub wasi_version: WasiVersion,
pub wasi_envs: HashMap<Vec<u8>, Vec<u8>>,
pub wasi_preopened_files: HashSet<PathBuf>,
pub wasi_mapped_dirs: HashMap<String, PathBuf>,
}
impl Default for FCEModuleConfig {
fn default() -> Self {
Self {
mem_pages_count: 1600,
raw_imports: ImportObject::new(),
host_imports: HashMap::new(),
wasi_version: WasiVersion::Latest,
wasi_envs: HashMap::new(),
wasi_preopened_files: HashSet::new(),
wasi_mapped_dirs: HashMap::new(),
}
}
}
impl FCEModuleConfig {
#[allow(dead_code)]
pub fn with_mem_pages_count(mut self, mem_pages_count: u32) -> Self {
self.mem_pages_count = mem_pages_count;
self
}
#[allow(dead_code)]
pub fn with_wasi_version(mut self, wasi_version: WasiVersion) -> Self {
self.wasi_version = wasi_version;
self
}
#[allow(dead_code)]
pub fn with_wasi_envs(mut self, envs: HashMap<Vec<u8>, Vec<u8>>) -> Self {
self.wasi_envs = envs;
self
}
#[allow(dead_code)]
pub fn with_wasi_preopened_files(mut self, preopened_files: HashSet<PathBuf>) -> Self {
self.wasi_preopened_files = preopened_files;
self
}
#[allow(dead_code)]
pub fn with_wasi_mapped_dirs(mut self, mapped_dirs: HashMap<String, PathBuf>) -> Self {
self.wasi_mapped_dirs = mapped_dirs;
self
}
}