use crate::errors::*;
use crate::engine::ctx::State;
use crate::hlua::{self, AnyLuaValue};
use std::fmt::Write;
use std::sync::Arc;
pub fn format_lua(out: &mut String, x: &AnyLuaValue) -> Result<()> {
match *x {
AnyLuaValue::LuaNil => out.push_str("null"),
AnyLuaValue::LuaString(ref x) => write!(out, "{:?}", x)?,
AnyLuaValue::LuaNumber(ref x) => write!(out, "{:?}", x)?,
AnyLuaValue::LuaAnyString(ref x) => write!(out, "{:?}", x.0)?,
AnyLuaValue::LuaBoolean(ref x) => write!(out, "{:?}", x)?,
AnyLuaValue::LuaArray(ref x) => {
out.push('{');
let mut first = true;
for (k, v) in x {
if !first {
out.push_str(", ");
}
let mut key = String::new();
format_lua(&mut key, k)?;
let mut value = String::new();
format_lua(&mut value, v)?;
write!(out, "{}: {}", key, value)?;
first = false;
}
out.push('}');
},
AnyLuaValue::LuaOther => out.push_str("LuaOther"),
}
Ok(())
}
pub fn info(lua: &mut hlua::Lua, state: Arc<dyn State>) {
lua.set("info", hlua::function1(move |val: AnyLuaValue| {
let mut out = String::new();
format_lua(&mut out, &val).expect("out of memory");
state.info(out);
}))
}
pub fn debug(lua: &mut hlua::Lua, state: Arc<dyn State>) {
lua.set("debug", hlua::function1(move |val: AnyLuaValue| {
let mut out = String::new();
format_lua(&mut out, &val).expect("out of memory");
state.debug(out);
}))
}
pub fn error(lua: &mut hlua::Lua, state: Arc<dyn State>) {
lua.set("error", hlua::function1(move |msg: String| {
state.error(msg);
}))
}
pub fn warn(lua: &mut hlua::Lua, state: Arc<dyn State>) {
lua.set("warn", hlua::function1(move |msg: String| {
state.warn(msg);
}))
}
pub fn warn_once(lua: &mut hlua::Lua, state: Arc<dyn State>) {
lua.set("warn_once", hlua::function1(move |msg: String| {
state.warn_once(msg);
}))
}
pub fn status(lua: &mut hlua::Lua, state: Arc<dyn State>) {
lua.set("status", hlua::function1(move |msg: String| {
state.status(msg);
}))
}
pub fn print(lua: &mut hlua::Lua, _: Arc<dyn State>) {
lua.set("print", hlua::function1(move |val: AnyLuaValue| {
let mut out = String::new();
format_lua(&mut out, &val).expect("out of memory");
eprintln!("{}", out);
}))
}