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Add wasm support (#2199)

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* Working towards a PoC for wasm

* Move bson and sqlite to plugins

* proof of concept now working

* tests are green

* Add CI test for --no-default-features

* Fix some tests

* Fix clippy and windows build

* More fixes

* Fix the windows build

* Fix the windows test
This commit is contained in:
Jonathan Turner
2020-07-18 13:59:23 +12:00
committed by GitHub
parent dbe0effd67
commit d8594a62c2
59 changed files with 781 additions and 448 deletions
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56
crates/nu-cli/src/env/host.rs vendored
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@@ -6,9 +6,6 @@ use std::ffi::OsString;
use std::fmt::Debug;
pub trait Host: Debug + Send {
fn out_terminal(&self) -> Option<Box<term::StdoutTerminal>>;
fn err_terminal(&self) -> Option<Box<term::StderrTerminal>>;
fn out_termcolor(&self) -> termcolor::StandardStream;
fn err_termcolor(&self) -> termcolor::StandardStream;
@@ -24,14 +21,6 @@ pub trait Host: Debug + Send {
}
impl Host for Box<dyn Host> {
fn out_terminal(&self) -> Option<Box<term::StdoutTerminal>> {
(**self).out_terminal()
}
fn err_terminal(&self) -> Option<Box<term::StderrTerminal>> {
(**self).err_terminal()
}
fn stdout(&mut self, out: &str) {
(**self).stdout(out)
}
@@ -73,14 +62,6 @@ impl Host for Box<dyn Host> {
pub struct BasicHost;
impl Host for BasicHost {
fn out_terminal(&self) -> Option<Box<term::StdoutTerminal>> {
term::stdout()
}
fn err_terminal(&self) -> Option<Box<term::StderrTerminal>> {
term::stderr()
}
fn stdout(&mut self, out: &str) {
match out {
"\n" => outln!(""),
@@ -96,19 +77,40 @@ impl Host for BasicHost {
}
fn vars(&mut self) -> Vec<(String, String)> {
std::env::vars().collect::<Vec<_>>()
#[cfg(not(target_arch = "wasm32"))]
{
std::env::vars().collect::<Vec<_>>()
}
#[cfg(target_arch = "wasm32")]
{
vec![]
}
}
fn env_get(&mut self, key: OsString) -> Option<OsString> {
std::env::var_os(key)
#[cfg(not(target_arch = "wasm32"))]
{
std::env::var_os(key)
}
#[cfg(target_arch = "wasm32")]
{
None
}
}
fn env_set(&mut self, key: OsString, value: OsString) {
std::env::set_var(key, value);
#[cfg(not(target_arch = "wasm32"))]
{
std::env::set_var(key, value);
}
}
fn env_rm(&mut self, key: OsString) {
std::env::remove_var(key);
#[cfg(not(target_arch = "wasm32"))]
{
std::env::remove_var(key);
}
}
fn out_termcolor(&self) -> termcolor::StandardStream {
@@ -145,14 +147,6 @@ impl FakeHost {
#[cfg(test)]
impl Host for FakeHost {
fn out_terminal(&self) -> Option<Box<term::StdoutTerminal>> {
None
}
fn err_terminal(&self) -> Option<Box<term::StderrTerminal>> {
None
}
fn stdout(&mut self, out: &str) {
self.line_written = out.to_string();
}