#![cfg(unix)]
use gspell_sys::*;
use std::env;
use std::error::Error;
use std::ffi::OsString;
use std::mem::{align_of, size_of};
use std::path::Path;
use std::process::Command;
use std::str;
use tempfile::Builder;
static PACKAGES: &[&str] = &["gspell-1"];
#[derive(Clone, Debug)]
struct Compiler {
pub args: Vec<String>,
}
impl Compiler {
pub fn new() -> Result<Self, Box<dyn Error>> {
let mut args = get_var("CC", "cc")?;
args.push("-Wno-deprecated-declarations".to_owned());
args.push("-std=c11".to_owned());
args.push("-D__USE_MINGW_ANSI_STDIO".to_owned());
args.extend(get_var("CFLAGS", "")?);
args.extend(get_var("CPPFLAGS", "")?);
args.extend(pkg_config_cflags(PACKAGES)?);
Ok(Self { args })
}
pub fn compile(&self, src: &Path, out: &Path) -> Result<(), Box<dyn Error>> {
let mut cmd = self.to_command();
cmd.arg(src);
cmd.arg("-o");
cmd.arg(out);
let status = cmd.spawn()?.wait()?;
if !status.success() {
return Err(format!("compilation command {cmd:?} failed, {status}").into());
}
Ok(())
}
fn to_command(&self) -> Command {
let mut cmd = Command::new(&self.args[0]);
cmd.args(&self.args[1..]);
cmd
}
}
fn get_var(name: &str, default: &str) -> Result<Vec<String>, Box<dyn Error>> {
match env::var(name) {
Ok(value) => Ok(shell_words::split(&value)?),
Err(env::VarError::NotPresent) => Ok(shell_words::split(default)?),
Err(err) => Err(format!("{name} {err}").into()),
}
}
fn pkg_config_cflags(packages: &[&str]) -> Result<Vec<String>, Box<dyn Error>> {
if packages.is_empty() {
return Ok(Vec::new());
}
let pkg_config = env::var_os("PKG_CONFIG").unwrap_or_else(|| OsString::from("pkg-config"));
let mut cmd = Command::new(pkg_config);
cmd.arg("--cflags");
cmd.args(packages);
let out = cmd.output()?;
if !out.status.success() {
return Err(format!("command {cmd:?} returned {}", out.status).into());
}
let stdout = str::from_utf8(&out.stdout)?;
Ok(shell_words::split(stdout.trim())?)
}
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
struct Layout {
size: usize,
alignment: usize,
}
#[derive(Copy, Clone, Debug, Default, Eq, PartialEq)]
struct Results {
passed: usize,
failed: usize,
}
impl Results {
fn record_passed(&mut self) {
self.passed += 1;
}
fn record_failed(&mut self) {
self.failed += 1;
}
fn summary(&self) -> String {
format!("{} passed; {} failed", self.passed, self.failed)
}
fn expect_total_success(&self) {
if self.failed == 0 {
println!("OK: {}", self.summary());
} else {
panic!("FAILED: {}", self.summary());
};
}
}
#[test]
fn cross_validate_constants_with_c() {
let mut c_constants: Vec<(String, String)> = Vec::new();
for l in get_c_output("constant").unwrap().lines() {
let (name, value) = l.split_once(';').expect("Missing ';' separator");
c_constants.push((name.to_owned(), value.to_owned()));
}
let mut results = Results::default();
for ((rust_name, rust_value), (c_name, c_value)) in
RUST_CONSTANTS.iter().zip(c_constants.iter())
{
if rust_name != c_name {
results.record_failed();
eprintln!("Name mismatch:\nRust: {rust_name:?}\nC: {c_name:?}");
continue;
}
if rust_value != c_value {
results.record_failed();
eprintln!(
"Constant value mismatch for {rust_name}\nRust: {rust_value:?}\nC: {c_value:?}",
);
continue;
}
results.record_passed();
}
results.expect_total_success();
}
#[test]
fn cross_validate_layout_with_c() {
let mut c_layouts = Vec::new();
for l in get_c_output("layout").unwrap().lines() {
let (name, value) = l.split_once(';').expect("Missing first ';' separator");
let (size, alignment) = value.split_once(';').expect("Missing second ';' separator");
let size = size.parse().expect("Failed to parse size");
let alignment = alignment.parse().expect("Failed to parse alignment");
c_layouts.push((name.to_owned(), Layout { size, alignment }));
}
let mut results = Results::default();
for ((rust_name, rust_layout), (c_name, c_layout)) in RUST_LAYOUTS.iter().zip(c_layouts.iter())
{
if rust_name != c_name {
results.record_failed();
eprintln!("Name mismatch:\nRust: {rust_name:?}\nC: {c_name:?}");
continue;
}
if rust_layout != c_layout {
results.record_failed();
eprintln!("Layout mismatch for {rust_name}\nRust: {rust_layout:?}\nC: {c_layout:?}",);
continue;
}
results.record_passed();
}
results.expect_total_success();
}
fn get_c_output(name: &str) -> Result<String, Box<dyn Error>> {
let tmpdir = Builder::new().prefix("abi").tempdir()?;
let exe = tmpdir.path().join(name);
let c_file = Path::new("tests").join(name).with_extension("c");
let cc = Compiler::new().expect("configured compiler");
cc.compile(&c_file, &exe)?;
let mut abi_cmd = Command::new(exe);
let output = abi_cmd.output()?;
if !output.status.success() {
return Err(format!("command {abi_cmd:?} failed, {output:?}").into());
}
Ok(String::from_utf8(output.stdout)?)
}
const RUST_LAYOUTS: &[(&str, Layout)] = &[
(
"GspellChecker",
Layout {
size: size_of::<GspellChecker>(),
alignment: align_of::<GspellChecker>(),
},
),
(
"GspellCheckerClass",
Layout {
size: size_of::<GspellCheckerClass>(),
alignment: align_of::<GspellCheckerClass>(),
},
),
(
"GspellCheckerDialog",
Layout {
size: size_of::<GspellCheckerDialog>(),
alignment: align_of::<GspellCheckerDialog>(),
},
),
(
"GspellCheckerDialogClass",
Layout {
size: size_of::<GspellCheckerDialogClass>(),
alignment: align_of::<GspellCheckerDialogClass>(),
},
),
(
"GspellCheckerError",
Layout {
size: size_of::<GspellCheckerError>(),
alignment: align_of::<GspellCheckerError>(),
},
),
(
"GspellEntryBufferClass",
Layout {
size: size_of::<GspellEntryBufferClass>(),
alignment: align_of::<GspellEntryBufferClass>(),
},
),
(
"GspellEntryClass",
Layout {
size: size_of::<GspellEntryClass>(),
alignment: align_of::<GspellEntryClass>(),
},
),
(
"GspellLanguageChooserButton",
Layout {
size: size_of::<GspellLanguageChooserButton>(),
alignment: align_of::<GspellLanguageChooserButton>(),
},
),
(
"GspellLanguageChooserButtonClass",
Layout {
size: size_of::<GspellLanguageChooserButtonClass>(),
alignment: align_of::<GspellLanguageChooserButtonClass>(),
},
),
(
"GspellLanguageChooserDialog",
Layout {
size: size_of::<GspellLanguageChooserDialog>(),
alignment: align_of::<GspellLanguageChooserDialog>(),
},
),
(
"GspellLanguageChooserDialogClass",
Layout {
size: size_of::<GspellLanguageChooserDialogClass>(),
alignment: align_of::<GspellLanguageChooserDialogClass>(),
},
),
(
"GspellLanguageChooserInterface",
Layout {
size: size_of::<GspellLanguageChooserInterface>(),
alignment: align_of::<GspellLanguageChooserInterface>(),
},
),
(
"GspellNavigatorInterface",
Layout {
size: size_of::<GspellNavigatorInterface>(),
alignment: align_of::<GspellNavigatorInterface>(),
},
),
(
"GspellNavigatorTextView",
Layout {
size: size_of::<GspellNavigatorTextView>(),
alignment: align_of::<GspellNavigatorTextView>(),
},
),
(
"GspellNavigatorTextViewClass",
Layout {
size: size_of::<GspellNavigatorTextViewClass>(),
alignment: align_of::<GspellNavigatorTextViewClass>(),
},
),
(
"GspellTextBufferClass",
Layout {
size: size_of::<GspellTextBufferClass>(),
alignment: align_of::<GspellTextBufferClass>(),
},
),
(
"GspellTextView",
Layout {
size: size_of::<GspellTextView>(),
alignment: align_of::<GspellTextView>(),
},
),
(
"GspellTextViewClass",
Layout {
size: size_of::<GspellTextViewClass>(),
alignment: align_of::<GspellTextViewClass>(),
},
),
];
const RUST_CONSTANTS: &[(&str, &str)] = &[
("(gint) GSPELL_CHECKER_ERROR_DICTIONARY", "0"),
("(gint) GSPELL_CHECKER_ERROR_NO_LANGUAGE_SET", "1"),
];