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Use rust_lib for parsing

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This commit is contained in:
Ryan Hunt
2017-04-04 13:57:57 -04:00
committed by staktrace
parent 674fa3ece2
commit 93b3a257d1
1 changed files with 34 additions and 31 deletions
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src/main.rs
+34 -31
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@@ -1,6 +1,5 @@
use std::env;
use std::fs::File;
use std::io::Read;
extern crate syn;
use syn::*;
@@ -92,39 +91,43 @@ fn map_field(f: &Field) -> String {
fn main() {
let p = env::args().nth(1).unwrap();
let mut s = String::new();
let mut f = File::open(p).unwrap();
f.read_to_string(&mut s).unwrap();
let krate = syn::parse_crate(&s).unwrap();
for item in krate.items {
match item.node {
ItemKind::Fn(decl, _unsafe, _const, abi, _generic, _block) => {
if has_no_mangle(&item.attrs) && is_c_abi(&abi) {
println!("WR_INLINE {}\n{}({})\n{};\n",
map_return_type(&decl.output),
item.ident,
decl.inputs
.iter()
.map(map_arg)
.collect::<Vec<_>>()
.join(", "),
wr_func_body(&item.attrs));
}
}
ItemKind::Struct(variant, _generics) => {
if is_repr_c(&item.attrs) {
if let VariantData::Struct(fields) = variant {
println!("struct {} {{\n{}}};\n",
rust_lib::parse(p, &|_, items| {
for item in items {
match item.node {
ItemKind::Fn(ref decl,
ref _unsafe,
ref _const,
ref abi,
ref _generic,
ref _block) => {
if has_no_mangle(&item.attrs) && is_c_abi(&abi) {
println!("WR_INLINE {}\n{}({})\n{};\n",
map_return_type(&decl.output),
item.ident,
fields
decl.inputs
.iter()
.map(map_field)
.collect::<String>());
.map(map_arg)
.collect::<Vec<_>>()
.join(", "),
wr_func_body(&item.attrs));
}
}
ItemKind::Struct(ref variant,
ref _generics) => {
if is_repr_c(&item.attrs) {
if let &VariantData::Struct(ref fields) = variant {
println!("struct {} {{\n{}}};\n",
item.ident,
fields
.iter()
.map(map_field)
.collect::<String>());
}
}
}
_ => {}
}
_ => {}
}
}
});
}