Add skeleton testing framework
This commit is contained in:
Alex Crichton
parent
dafaca90f0
commit
8e5f0cd827
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@ -1,2 +1,2 @@
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/target
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/Cargo.lock
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target
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Cargo.lock
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@ -0,0 +1,100 @@
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[root]
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name = "libc-test"
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version = "0.1.0"
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dependencies = [
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"gcc 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
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"libc 0.1.10",
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"syntex_syntax 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "advapi32-sys"
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version = "0.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"winapi 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "bitflags"
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version = "0.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "gcc"
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version = "0.3.13"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"advapi32-sys 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"winapi 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "kernel32-sys"
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version = "0.1.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"winapi 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "libc"
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version = "0.1.10"
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[[package]]
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name = "libc"
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version = "0.1.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "log"
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version = "0.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"libc 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "rustc-serialize"
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version = "0.3.16"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "syntex_syntax"
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version = "0.13.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"bitflags 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"libc 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
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"log 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustc-serialize 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
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"term 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
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"unicode-xid 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "term"
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version = "0.2.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"kernel32-sys 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"winapi 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "unicode-xid"
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version = "0.0.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "winapi"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "winapi-build"
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version = "0.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -0,0 +1,17 @@
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[package]
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name = "libc-test"
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version = "0.1.0"
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authors = ["Alex Crichton <alex@alexcrichton.com>"]
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build = "build.rs"
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[dependencies]
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libc = { path = ".." }
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[build-dependencies]
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syntex_syntax = "*"
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gcc = "0.3"
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[lib]
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name = "libc_test"
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test = false
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doctest = false
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@ -0,0 +1,130 @@
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#![allow(unused_must_use)]
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extern crate gcc;
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extern crate syntex_syntax as syntax;
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use std::env;
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use std::fs::File;
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use std::io::BufWriter;
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use std::io::prelude::*;
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use std::path::{Path, PathBuf};
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use syntax::ast;
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use syntax::parse::token::InternedString;
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use syntax::attr;
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use syntax::parse::{self, ParseSess};
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use syntax::visit::{self, Visitor};
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struct TestGenerator {
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rust: Box<Write>,
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c: Box<Write>,
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}
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fn main() {
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let sess = ParseSess::new();
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let src = Path::new("../src/lib.rs");
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let cfg = Vec::new();
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let mut krate = parse::parse_crate_from_file(src, cfg, &sess);
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build_cfg(&mut krate.config);
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let mut gated_cfgs = Vec::new();
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let krate = syntax::config::strip_unconfigured_items(&sess.span_diagnostic,
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krate,
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&mut gated_cfgs);
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let out = PathBuf::from(env::var_os("OUT_DIR").unwrap());
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let rust_out = BufWriter::new(File::create(out.join("all.rs")).unwrap());
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let mut c_out = BufWriter::new(File::create(out.join("all.c")).unwrap());
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writeln!(c_out, "
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#include <netinet/in.h>
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#include <netinet/ip.h>
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#include <signal.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <time.h>
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");
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visit::walk_crate(&mut TestGenerator {
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rust: Box::new(rust_out),
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c: Box::new(c_out),
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}, &krate);
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gcc::Config::new()
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.file(out.join("all.c"))
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.compile("liball.a");
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}
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fn build_cfg(cfg: &mut ast::CrateConfig) {
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let target = env::var("TARGET").unwrap();
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let (arch, target_pointer_width) = if target.starts_with("x86_64") {
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("x86_64", "64")
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} else if target.starts_with("i686") {
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("x86", "32")
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} else {
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panic!("unknown arch/pointer width: {}", target)
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};
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let (os, family, env) = if target.contains("unknown-linux") {
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("linux", "unix", "gnu")
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} else {
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panic!("unknown os/family width: {}", target)
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};
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let mk = attr::mk_name_value_item_str;
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let s = InternedString::new;
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cfg.push(attr::mk_word_item(s(family)));
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cfg.push(mk(s("target_os"), s(os)));
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cfg.push(mk(s("target_family"), s(family)));
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cfg.push(mk(s("target_arch"), s(arch)));
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// skip endianness
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cfg.push(mk(s("target_pointer_width"), s(target_pointer_width)));
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cfg.push(mk(s("target_env"), s(env)));
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}
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impl TestGenerator {
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fn typedef(&mut self, ty: &str) {
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let cty = if ty.starts_with("c_") {
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let rest = ty[2..].replace("long", " long");
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if rest.starts_with("u") {
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format!("unsigned {}", &rest[1..])
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} else {
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rest
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}
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} else {
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(match ty {
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ty => ty,
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}).to_string()
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};
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writeln!(self.c, r#"
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uint64_t ty_{ty}_size() {{
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return sizeof({cty});
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}}
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"#, ty = ty, cty = cty);
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writeln!(self.rust, r#"
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#[test]
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fn test_{ty}_size() {{
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extern {{ fn ty_{ty}_size() -> u64; }}
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assert_eq!(mem::size_of::<libc::{ty}>() as u64,
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unsafe {{ ty_{ty}_size() }});
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}}
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"#, ty = ty);
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}
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}
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impl<'v> Visitor<'v> for TestGenerator {
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fn visit_item(&mut self, i: &'v ast::Item) {
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match i.node {
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ast::ItemTy(_, ref generics) => {
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assert!(generics.lifetimes.len() == 0);
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assert!(generics.ty_params.len() == 0);
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assert!(generics.where_clause.predicates.len() == 0);
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self.typedef(&i.ident.to_string());
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}
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_ => {}
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}
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visit::walk_item(self, i)
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}
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}
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@ -0,0 +1,5 @@
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extern crate libc;
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extern crate libc_test;
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#[cfg(test)]
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include!(concat!(env!("OUT_DIR"), "/all.rs"));
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