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#![allow(unknown_lints)]
#![warn(broken_intra_doc_links)]
#![warn(missing_docs)]
use std::ffi::CStr;
use std::fmt::{self, Write};
use crate::types::{self, Ruby};
mod args;
#[allow(missing_debug_implementations)]
#[allow(missing_docs)]
#[allow(non_camel_case_types)]
#[allow(non_upper_case_globals)]
#[allow(non_snake_case)]
#[allow(trivial_casts)]
#[allow(trivial_numeric_casts)]
#[allow(clippy::all)]
#[allow(clippy::pedantic)]
#[allow(clippy::restriction)]
mod ffi {
include!(concat!(env!("OUT_DIR"), "/ffi.rs"));
}
pub(crate) mod protect;
pub use self::args::*;
pub use self::ffi::*;
impl Default for mrb_value {
fn default() -> Self {
unsafe { mrb_sys_nil_value() }
}
}
impl fmt::Debug for mrb_value {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match types::ruby_from_mrb_value(*self) {
Ruby::Nil => f.write_str("nil"),
Ruby::Bool if unsafe { mrb_sys_value_is_true(*self) } => f.write_str("true"),
Ruby::Bool => f.write_str("false"),
Ruby::Fixnum => {
let fixnum = unsafe { mrb_sys_fixnum_to_cint(*self) };
itoa::fmt(f, fixnum)
}
Ruby::Float => {
let float = unsafe { mrb_sys_float_to_cdouble(*self) };
write!(f, "{}", float)
}
type_tag => write!(f, "<{}>", type_tag),
}
}
}
#[must_use]
pub fn mrb_sys_mruby_version(verbose: bool) -> String {
if !verbose {
return String::from(env!("CARGO_PKG_VERSION"));
}
let engine = CStr::from_bytes_with_nul(MRUBY_RUBY_ENGINE);
let engine = engine.ok().and_then(|cstr| cstr.to_str().ok()).unwrap_or("unknown");
let version = CStr::from_bytes_with_nul(MRUBY_RUBY_VERSION);
let version = version.ok().and_then(|cstr| cstr.to_str().ok()).unwrap_or("0.0.0");
let mut out = String::new();
out.push_str(engine);
out.push(' ');
out.push_str(version);
out.push_str(" [");
out.push_str(env!("CARGO_PKG_VERSION"));
out.push(']');
out
}
#[must_use]
pub fn mrb_sys_state_debug(mrb: *mut mrb_state) -> String {
let engine = CStr::from_bytes_with_nul(MRUBY_RUBY_ENGINE);
let engine = engine.ok().and_then(|cstr| cstr.to_str().ok()).unwrap_or("unknown");
let version = CStr::from_bytes_with_nul(MRUBY_RUBY_VERSION);
let version = version.ok().and_then(|cstr| cstr.to_str().ok()).unwrap_or("0.0.0");
let mut debug = String::new();
let _ = write!(
&mut debug,
"{} {} (v{}.{}.{}) interpreter at {:p}",
engine, version, MRUBY_RELEASE_MAJOR, MRUBY_RELEASE_MINOR, MRUBY_RELEASE_TEENY, mrb
);
debug
}
#[cfg(test)]
mod tests {
use crate::test::prelude::*;
#[test]
fn interpreter_debug() {
let mut interp = interpreter().unwrap();
unsafe {
let mrb = interp.mrb.as_mut();
let debug = sys::mrb_sys_state_debug(mrb);
assert_eq!(debug, format!("mruby 2.0 (v2.1.2) interpreter at {:p}", &*mrb));
};
}
}