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17df50a58d
rustc/library/stdarch/crates/stdarch-verify/tests/arm.rs
Ximin Luo 17df50a58d New upstream version 1.54.0+dfsg1
2021-10-05 23:23:53 +01:00

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#![allow(bad_style)]
#![allow(unused)]
use std::{collections::HashMap, rc::Rc};
use html5ever::{
driver::ParseOpts,
parse_document,
rcdom::{Node, NodeData, RcDom},
tendril::TendrilSink,
tree_builder::TreeBuilderOpts,
};
struct Function {
name: &'static str,
arguments: &'static [&'static Type],
ret: Option<&'static Type>,
target_feature: Option<&'static str>,
instrs: &'static [&'static str],
file: &'static str,
required_const: &'static [usize],
has_test: bool,
}
static F16: Type = Type::PrimFloat(16);
static F32: Type = Type::PrimFloat(32);
static F64: Type = Type::PrimFloat(64);
static I16: Type = Type::PrimSigned(16);
static I32: Type = Type::PrimSigned(32);
static I64: Type = Type::PrimSigned(64);
static I8: Type = Type::PrimSigned(8);
static U16: Type = Type::PrimUnsigned(16);
static U32: Type = Type::PrimUnsigned(32);
static U64: Type = Type::PrimUnsigned(64);
static U8: Type = Type::PrimUnsigned(8);
static NEVER: Type = Type::Never;
static F16X4: Type = Type::F(16, 4, 1);
static F16X4X2: Type = Type::F(16, 4, 2);
static F16X4X3: Type = Type::F(16, 4, 3);
static F16X4X4: Type = Type::F(16, 4, 4);
static F16X8: Type = Type::F(16, 8, 1);
static F16X8X2: Type = Type::F(16, 8, 2);
static F16X8X3: Type = Type::F(16, 8, 3);
static F16X8X4: Type = Type::F(16, 8, 4);
static F32X2: Type = Type::F(32, 2, 1);
static F32X2X2: Type = Type::F(32, 2, 2);
static F32X2X3: Type = Type::F(32, 2, 3);
static F32X2X4: Type = Type::F(32, 2, 4);
static F32X4: Type = Type::F(32, 4, 1);
static F32X4X2: Type = Type::F(32, 4, 2);
static F32X4X3: Type = Type::F(32, 4, 3);
static F32X4X4: Type = Type::F(32, 4, 4);
static F64X1: Type = Type::F(64, 1, 1);
static F64X1X2: Type = Type::F(64, 1, 2);
static F64X1X3: Type = Type::F(64, 1, 3);
static F64X1X4: Type = Type::F(64, 1, 4);
static F64X2: Type = Type::F(64, 2, 1);
static F64X2X2: Type = Type::F(64, 2, 2);
static F64X2X3: Type = Type::F(64, 2, 3);
static F64X2X4: Type = Type::F(64, 2, 4);
static I16X2: Type = Type::I(16, 2, 1);
static I16X4: Type = Type::I(16, 4, 1);
static I16X4X2: Type = Type::I(16, 4, 2);
static I16X4X3: Type = Type::I(16, 4, 3);
static I16X4X4: Type = Type::I(16, 4, 4);
static I16X8: Type = Type::I(16, 8, 1);
static I16X8X2: Type = Type::I(16, 8, 2);
static I16X8X3: Type = Type::I(16, 8, 3);
static I16X8X4: Type = Type::I(16, 8, 4);
static I32X2: Type = Type::I(32, 2, 1);
static I32X2X2: Type = Type::I(32, 2, 2);
static I32X2X3: Type = Type::I(32, 2, 3);
static I32X2X4: Type = Type::I(32, 2, 4);
static I32X4: Type = Type::I(32, 4, 1);
static I32X4X2: Type = Type::I(32, 4, 2);
static I32X4X3: Type = Type::I(32, 4, 3);
static I32X4X4: Type = Type::I(32, 4, 4);
static I64X1: Type = Type::I(64, 1, 1);
static I64X1X2: Type = Type::I(64, 1, 2);
static I64X1X3: Type = Type::I(64, 1, 3);
static I64X1X4: Type = Type::I(64, 1, 4);
static I64X2: Type = Type::I(64, 2, 1);
static I64X2X2: Type = Type::I(64, 2, 2);
static I64X2X3: Type = Type::I(64, 2, 3);
static I64X2X4: Type = Type::I(64, 2, 4);
static I8X16: Type = Type::I(8, 16, 1);
static I8X16X2: Type = Type::I(8, 16, 2);
static I8X16X3: Type = Type::I(8, 16, 3);
static I8X16X4: Type = Type::I(8, 16, 4);
static I8X4: Type = Type::I(8, 4, 1);
static I8X8: Type = Type::I(8, 8, 1);
static I8X8X2: Type = Type::I(8, 8, 2);
static I8X8X3: Type = Type::I(8, 8, 3);
static I8X8X4: Type = Type::I(8, 8, 4);
static P128: Type = Type::PrimPoly(128);
static P16: Type = Type::PrimPoly(16);
static P16X4X2: Type = Type::P(16, 4, 2);
static P16X4X3: Type = Type::P(16, 4, 3);
static P16X4X4: Type = Type::P(16, 4, 4);
static P16X8X2: Type = Type::P(16, 8, 2);
static P16X8X3: Type = Type::P(16, 8, 3);
static P16X8X4: Type = Type::P(16, 8, 4);
static P64: Type = Type::PrimPoly(64);
static P64X1X2: Type = Type::P(64, 1, 2);
static P64X1X3: Type = Type::P(64, 1, 3);
static P64X1X4: Type = Type::P(64, 1, 4);
static P64X2X2: Type = Type::P(64, 2, 2);
static P64X2X3: Type = Type::P(64, 2, 3);
static P64X2X4: Type = Type::P(64, 2, 4);
static P8: Type = Type::PrimPoly(8);
static POLY16X4: Type = Type::P(16, 4, 1);
static POLY16X8: Type = Type::P(16, 8, 1);
static POLY64X1: Type = Type::P(64, 1, 1);
static POLY64X2: Type = Type::P(64, 2, 1);
static POLY8X16: Type = Type::P(8, 16, 1);
static POLY8X16X2: Type = Type::P(8, 16, 2);
static POLY8X16X3: Type = Type::P(8, 16, 3);
static POLY8X16X4: Type = Type::P(8, 16, 4);
static POLY8X8: Type = Type::P(8, 8, 1);
static POLY8X8X2: Type = Type::P(8, 8, 2);
static POLY8X8X3: Type = Type::P(8, 8, 3);
static POLY8X8X4: Type = Type::P(8, 8, 4);
static U16X4: Type = Type::U(16, 4, 1);
static U16X4X2: Type = Type::U(16, 4, 2);
static U16X4X3: Type = Type::U(16, 4, 3);
static U16X4X4: Type = Type::U(16, 4, 4);
static U16X8: Type = Type::U(16, 8, 1);
static U16X8X2: Type = Type::U(16, 8, 2);
static U16X8X3: Type = Type::U(16, 8, 3);
static U16X8X4: Type = Type::U(16, 8, 4);
static U32X2: Type = Type::U(32, 2, 1);
static U32X2X2: Type = Type::U(32, 2, 2);
static U32X2X3: Type = Type::U(32, 2, 3);
static U32X2X4: Type = Type::U(32, 2, 4);
static U32X4: Type = Type::U(32, 4, 1);
static U32X4X2: Type = Type::U(32, 4, 2);
static U32X4X3: Type = Type::U(32, 4, 3);
static U32X4X4: Type = Type::U(32, 4, 4);
static U64X1: Type = Type::U(64, 1, 1);
static U64X1X2: Type = Type::U(64, 1, 2);
static U64X1X3: Type = Type::U(64, 1, 3);
static U64X1X4: Type = Type::U(64, 1, 4);
static U64X2: Type = Type::U(64, 2, 1);
static U64X2X2: Type = Type::U(64, 2, 2);
static U64X2X3: Type = Type::U(64, 2, 3);
static U64X2X4: Type = Type::U(64, 2, 4);
static U8X16: Type = Type::U(8, 16, 1);
static U8X16X2: Type = Type::U(8, 16, 2);
static U8X16X3: Type = Type::U(8, 16, 3);
static U8X16X4: Type = Type::U(8, 16, 4);
static U8X8: Type = Type::U(8, 8, 1);
static U8X4: Type = Type::U(8, 4, 1);
static U8X8X2: Type = Type::U(8, 8, 2);
static U8X8X3: Type = Type::U(8, 8, 3);
static U8X8X4: Type = Type::U(8, 8, 4);
#[derive(Debug, Copy, Clone, PartialEq)]
enum Type {
PrimFloat(u8),
PrimSigned(u8),
PrimUnsigned(u8),
PrimPoly(u8),
MutPtr(&'static Type),
ConstPtr(&'static Type),
I(u8, u8, u8),
U(u8, u8, u8),
P(u8, u8, u8),
F(u8, u8, u8),
Never,
}
stdarch_verify::arm_functions!(static FUNCTIONS);
macro_rules! bail {
($($t:tt)*) => (return Err(format!($($t)*)))
}
#[test]
fn verify_all_signatures() {
// This is a giant HTML blob downloaded from
// https://developer.arm.com/technologies/neon/intrinsics which contains all
// NEON intrinsics at least. We do manual HTML parsing below.
let html = include_bytes!("../arm-intrinsics.html");
let mut html = &html[..];
let opts = ParseOpts {
tree_builder: TreeBuilderOpts {
drop_doctype: true,
..Default::default()
},
..Default::default()
};
let dom = parse_document(RcDom::default(), opts)
.from_utf8()
.read_from(&mut html)
.unwrap();
let accordion = find_accordion(&dom.document).unwrap();
let map = parse_intrinsics(&accordion);
let mut all_valid = true;
'outer: for rust in FUNCTIONS {
if !rust.has_test {
let skip = [
"vaddq_s64",
"vaddq_u64",
"vrsqrte_f32",
"vtbl1_s8",
"vtbl1_u8",
"vtbl1_p8",
"vtbl2_s8",
"vtbl2_u8",
"vtbl2_p8",
"vtbl3_s8",
"vtbl3_u8",
"vtbl3_p8",
"vtbl4_s8",
"vtbl4_u8",
"vtbl4_p8",
"vtbx1_s8",
"vtbx1_u8",
"vtbx1_p8",
"vtbx2_s8",
"vtbx2_u8",
"vtbx2_p8",
"vtbx3_s8",
"vtbx3_u8",
"vtbx3_p8",
"vtbx4_s8",
"vtbx4_u8",
"vtbx4_p8",
"udf",
"_clz_u8",
"_clz_u16",
"_clz_u32",
"_rbit_u32",
"_rev_u16",
"_rev_u32",
"__breakpoint",
"vpminq_f32",
"vpminq_f64",
"vpmaxq_f32",
"vpmaxq_f64",
"vcombine_s8",
"vcombine_s16",
"vcombine_s32",
"vcombine_s64",
"vcombine_u8",
"vcombine_u16",
"vcombine_u32",
"vcombine_u64",
"vcombine_p64",
"vcombine_f32",
"vcombine_p8",
"vcombine_p16",
"vcombine_f64",
"vtbl1_s8",
"vtbl1_u8",
"vtbl1_p8",
"vtbl2_s8",
"vtbl2_u8",
"vtbl2_p8",
"vtbl3_s8",
"vtbl3_u8",
"vtbl3_p8",
"vtbl4_s8",
"vtbl4_u8",
"vtbl4_p8",
"vtbx1_s8",
"vtbx1_u8",
"vtbx1_p8",
"vtbx2_s8",
"vtbx2_u8",
"vtbx2_p8",
"vtbx3_s8",
"vtbx3_u8",
"vtbx3_p8",
"vtbx4_s8",
"vtbx4_u8",
"vtbx4_p8",
"vqtbl1_s8",
"vqtbl1q_s8",
"vqtbl1_u8",
"vqtbl1q_u8",
"vqtbl1_p8",
"vqtbl1q_p8",
"vqtbx1_s8",
"vqtbx1q_s8",
"vqtbx1_u8",
"vqtbx1q_u8",
"vqtbx1_p8",
"vqtbx1q_p8",
"vqtbl2_s8",
"vqtbl2q_s8",
"vqtbl2_u8",
"vqtbl2q_u8",
"vqtbl2_p8",
"vqtbl2q_p8",
"vqtbx2_s8",
"vqtbx2q_s8",
"vqtbx2_u8",
"vqtbx2q_u8",
"vqtbx2_p8",
"vqtbx2q_p8",
"vqtbl3_s8",
"vqtbl3q_s8",
"vqtbl3_u8",
"vqtbl3q_u8",
"vqtbl3_p8",
"vqtbl3q_p8",
"vqtbx3_s8",
"vqtbx3q_s8",
"vqtbx3_u8",
"vqtbx3q_u8",
"vqtbx3_p8",
"vqtbx3q_p8",
"vqtbl4_s8",
"vqtbl4q_s8",
"vqtbl4_u8",
"vqtbl4q_u8",
"vqtbl4_p8",
"vqtbl4q_p8",
"vqtbx4_s8",
"vqtbx4q_s8",
"vqtbx4_u8",
"vqtbx4q_u8",
"vqtbx4_p8",
"vqtbx4q_p8",
"brk",
"_rev_u64",
"_clz_u64",
"_rbit_u64",
"_cls_u32",
"_cls_u64",
"_prefetch",
"vsli_n_s8",
"vsliq_n_s8",
"vsli_n_s16",
"vsliq_n_s16",
"vsli_n_s32",
"vsliq_n_s32",
"vsli_n_s64",
"vsliq_n_s64",
"vsli_n_u8",
"vsliq_n_u8",
"vsli_n_u16",
"vsliq_n_u16",
"vsli_n_u32",
"vsliq_n_u32",
"vsli_n_u64",
"vsliq_n_u64",
"vsli_n_p8",
"vsliq_n_p8",
"vsli_n_p16",
"vsliq_n_p16",
"vsri_n_s8",
"vsriq_n_s8",
"vsri_n_s16",
"vsriq_n_s16",
"vsri_n_s32",
"vsriq_n_s32",
"vsri_n_s64",
"vsriq_n_s64",
"vsri_n_u8",
"vsriq_n_u8",
"vsri_n_u16",
"vsriq_n_u16",
"vsri_n_u32",
"vsriq_n_u32",
"vsri_n_u64",
"vsriq_n_u64",
"vsri_n_p8",
"vsriq_n_p8",
"vsri_n_p16",
"vsriq_n_p16",
"__smulbb",
"__smultb",
"__smulbt",
"__smultt",
"__smulwb",
"__smulwt",
"__qadd",
"__qsub",
"__qdbl",
"__smlabb",
"__smlabt",
"__smlatb",
"__smlatt",
"__smlawb",
"__smlawt",
"__qadd8",
"__qsub8",
"__qsub16",
"__qadd16",
"__qasx",
"__qsax",
"__sadd16",
"__sadd8",
"__smlad",
"__smlsd",
"__sasx",
"__sel",
"__shadd8",
"__shadd16",
"__shsub8",
"__usub8",
"__ssub8",
"__shsub16",
"__smuad",
"__smuadx",
"__smusd",
"__smusdx",
"__usad8",
"__usada8",
"vld1_s8",
"vld1q_s8",
"vld1q_s8",
"vld1_s16",
"vld1q_s16",
"vld1_s32",
"vld1q_s32",
"vld1_s64",
"vld1q_s64",
"vld1_u8",
"vld1q_u8",
"vld1_u16",
"vld1q_u16",
"vld1_u32",
"vld1q_u32",
"vld1_u64",
"vld1q_u64",
"vld1_p8",
"vld1q_p8",
"vld1_p16",
"vld1q_p16",
"vld1_f32",
"vld1q_f32",
"vld1_f64",
"vld1q_f64",
"vst1_s8",
"vst1q_s8",
"vst1_s16",
"vst1q_s16",
"vst1_s32",
"vst1q_s32",
"vst1_s64",
"vst1q_s64",
"vst1_u8",
"vst1q_u8",
"vst1_u16",
"vst1q_u16",
"vst1_u32",
"vst1q_u32",
"vst1_u64",
"vst1q_u64",
"vst1_p8",
"vst1q_p8",
"vst1_p16",
"vst1q_p16",
"vst1_f32",
"vst1q_f32",
"vpadal_s8",
"vpadal_s16",
"vpadal_s32",
"vpadalq_s8",
"vpadalq_s16",
"vpadalq_s32",
"vpadal_u8",
"vpadal_u16",
"vpadal_u32",
"vpadalq_u8",
"vpadalq_u16",
"vpadalq_u32",
"__ldrex",
"__strex",
"__ldrexb",
"__strexb",
"__ldrexh",
"__strexh",
"__clrex",
"__dbg",
];
if !skip.contains(&rust.name) {
println!(
"missing run-time test named `test_{}` for `{}`",
{
let mut id = rust.name;
while id.starts_with('_') {
id = &id[1..];
}
id
},
rust.name
);
all_valid = false;
}
}
// Skip some intrinsics that aren't NEON and are located in different
// places than the whitelists below.
match rust.name {
"brk" | "__breakpoint" | "udf" | "_prefetch" => continue,
_ => {}
}
// Skip some intrinsics that are present in GCC and Clang but
// are missing from the official documentation.
let skip_intrinsic_verify = [
"vmov_n_p64",
"vmovq_n_p64",
"vreinterpret_p64_s64",
"vreinterpret_f32_p64",
"vreinterpretq_f32_p64",
"vqrdmlahh_s16",
"vqrdmlahs_s32",
"vqrdmlahh_lane_s16",
"vqrdmlahh_laneq_s16",
"vqrdmlahs_lane_s32",
"vqrdmlahs_laneq_s32",
"vqrdmlshh_s16",
"vqrdmlshs_s32",
"vqrdmlshh_lane_s16",
"vqrdmlshh_laneq_s16",
"vqrdmlshs_lane_s32",
"vqrdmlshs_laneq_s32",
"__dbg",
];
let arm = match map.get(rust.name) {
Some(i) => i,
None => {
// Skip all these intrinsics as they're not listed in NEON
// descriptions online.
//
// TODO: we still need to verify these intrinsics or find a
// reference for them, need to figure out where though!
if !rust.file.ends_with("dsp.rs\"")
&& !rust.file.ends_with("simd32.rs\"")
&& !rust.file.ends_with("cmsis.rs\"")
&& !rust.file.ends_with("v6.rs\"")
&& !rust.file.ends_with("v7.rs\"")
&& !rust.file.ends_with("v8.rs\"")
&& !rust.file.ends_with("tme.rs\"")
&& !rust.file.ends_with("ex.rs\"")
&& !skip_intrinsic_verify.contains(&rust.name)
{
println!(
"missing arm definition for {:?} in {}",
rust.name, rust.file
);
all_valid = false;
}
continue;
}
};
if let Err(e) = matches(rust, arm) {
println!("failed to verify `{}`", rust.name);
println!(" * {}", e);
all_valid = false;
}
}
assert!(all_valid);
}
fn matches(rust: &Function, arm: &Intrinsic) -> Result<(), String> {
if rust.ret != arm.ret.as_ref() {
bail!("mismatched return value")
}
if rust.arguments.len() != arm.arguments.len() {
bail!("mismatched argument lengths");
}
let mut nconst = 0;
let iter = rust.arguments.iter().zip(&arm.arguments).enumerate();
for (i, (rust_ty, (arm, arm_const))) in iter {
if *rust_ty != arm {
bail!("mismatched arguments")
}
if *arm_const {
nconst += 1;
if !rust.required_const.contains(&i) {
bail!("argument const mismatch");
}
}
}
if nconst != rust.required_const.len() {
bail!("wrong number of const arguments");
}
if rust.instrs.is_empty() {
bail!(
"instruction not listed for `{}`, but arm lists {:?}",
rust.name,
arm.instruction
);
} else if false
/* not super reliable, but can be used to manually check */
{
for instr in rust.instrs {
if arm.instruction.starts_with(instr) {
continue;
}
// sometimes arm says `foo` and disassemblers say `vfoo`, or
// sometimes disassemblers say `vfoo` and arm says `sfoo` or `ffoo`
if instr.starts_with('v')
&& (arm.instruction.starts_with(&instr[1..])
|| arm.instruction[1..].starts_with(&instr[1..]))
{
continue;
}
bail!(
"arm failed to list `{}` as an instruction for `{}` in {:?}",
instr,
rust.name,
arm.instruction,
);
}
}
// TODO: verify `target_feature`.
Ok(())
}
fn find_accordion(node: &Rc<Node>) -> Option<Rc<Node>> {
if let NodeData::Element { attrs, .. } = &node.data {
for attr in attrs.borrow().iter() {
if attr.name.local.eq_str_ignore_ascii_case("class")
&& attr.value.to_string() == "intrinsic-accordion"
{
return Some(node.clone());
}
}
}
node.children
.borrow()
.iter()
.filter_map(|node| find_accordion(node))
.next()
}
#[derive(PartialEq)]
struct Intrinsic {
name: String,
ret: Option<Type>,
arguments: Vec<(Type, bool)>,
instruction: String,
}
fn parse_intrinsics(node: &Rc<Node>) -> HashMap<String, Intrinsic> {
let mut ret = HashMap::new();
for child in node.children.borrow().iter() {
if let NodeData::Element { .. } = child.data {
let f = parse_intrinsic(child);
ret.insert(f.name.clone(), f);
}
}
ret
}
fn parse_intrinsic(node: &Rc<Node>) -> Intrinsic {
// <div class='intrinsic'>
// <input>...</input>
// <label for=$name>
// <div>
// $signature...
// <article>
// ...
let children = node.children.borrow();
let mut children = children
.iter()
.filter(|node| matches!(node.data, NodeData::Element { .. }));
let _input = children.next().expect("no <input>");
let label = children.next().expect("no <label>");
let article = children.next().expect("no <article>");
assert!(children.next().is_none());
// Find `for="..."` in `<label>`
let name = match &label.data {
NodeData::Element { attrs, .. } => attrs
.borrow()
.iter()
.filter(|attr| attr.name.local.eq_str_ignore_ascii_case("for"))
.map(|attr| attr.value.to_string())
.next()
.expect("no `for` attribute"),
_ => panic!(),
};
// Find contents of inner `<div>` in `<label>`
let label_children = label.children.borrow();
let mut label_children = label_children
.iter()
.filter(|node| matches!(node.data, NodeData::Element { .. }));
let label_div = label_children.next().expect("no <div> in <label>");
assert!(label_children.next().is_none());
let text = label_div.children.borrow();
let mut text = text.iter().filter_map(|node| match &node.data {
NodeData::Text { contents } => Some(contents.borrow().to_string()),
_ => None,
});
let ret = text.next().unwrap();
let ret = ret.trim();
let args = text.next().unwrap();
let args = args.trim();
assert!(text.next().is_none());
// Find the instruction within the article
let article_children = article.children.borrow();
let mut article_children = article_children
.iter()
.filter(|node| matches!(node.data, NodeData::Element { .. }));
let mut instruction = None;
while let Some(child) = article_children.next() {
let mut header = String::new();
collect_text(&mut header, child);
if !header.ends_with(" Instruction") {
continue;
}
let next = article_children.next().expect("no next child");
assert!(instruction.is_none());
let mut instr = String::new();
collect_text(&mut instr, &next);
instruction = Some(instr);
}
let instruction = match instruction {
Some(s) => s.trim().to_lowercase(),
None => panic!("can't find instruction for `{}`", name),
};
Intrinsic {
name,
ret: if ret == "void" {
None
} else {
Some(parse_ty(ret))
},
instruction,
arguments: args // "(...)"
.trim_start_matches('(') // "...)"
.trim_end_matches(')') // "..."
.split(',') // " Type name ", ".."
.map(|s| s.trim()) // "Type name"
.map(|s| s.rsplitn(2, ' ').nth(1).unwrap()) // "Type"
.map(|s| {
let const_ = "const ";
if s.starts_with(const_) {
(parse_ty(&s[const_.len()..]), true)
} else {
(parse_ty(s), false)
}
})
.collect(),
}
}
fn parse_ty(s: &str) -> Type {
let suffix = " const *";
if s.ends_with(suffix) {
Type::ConstPtr(parse_ty_base(&s[..s.len() - suffix.len()]))
} else if s.ends_with(" *") {
Type::MutPtr(parse_ty_base(&s[..s.len() - 2]))
} else {
*parse_ty_base(s)
}
}
fn parse_ty_base(s: &str) -> &'static Type {
match s {
"float16_t" => &F16,
"float16x4_t" => &F16X4,
"float16x4x2_t" => &F16X4X2,
"float16x4x3_t" => &F16X4X3,
"float16x4x4_t" => &F16X4X4,
"float16x8_t" => &F16X8,
"float16x8x2_t" => &F16X8X2,
"float16x8x3_t" => &F16X8X3,
"float16x8x4_t" => &F16X8X4,
"float32_t" => &F32,
"float32x2_t" => &F32X2,
"float32x2x2_t" => &F32X2X2,
"float32x2x3_t" => &F32X2X3,
"float32x2x4_t" => &F32X2X4,
"float32x4_t" => &F32X4,
"float32x4x2_t" => &F32X4X2,
"float32x4x3_t" => &F32X4X3,
"float32x4x4_t" => &F32X4X4,
"float64_t" => &F64,
"float64x1_t" => &F64X1,
"float64x1x2_t" => &F64X1X2,
"float64x1x3_t" => &F64X1X3,
"float64x1x4_t" => &F64X1X4,
"float64x2_t" => &F64X2,
"float64x2x2_t" => &F64X2X2,
"float64x2x3_t" => &F64X2X3,
"float64x2x4_t" => &F64X2X4,
"int16_t" => &I16,
"int16x2_t" => &I16X2,
"int16x4_t" => &I16X4,
"int16x4x2_t" => &I16X4X2,
"int16x4x3_t" => &I16X4X3,
"int16x4x4_t" => &I16X4X4,
"int16x8_t" => &I16X8,
"int16x8x2_t" => &I16X8X2,
"int16x8x3_t" => &I16X8X3,
"int16x8x4_t" => &I16X8X4,
"int32_t" | "int" => &I32,
"int32x2_t" => &I32X2,
"int32x2x2_t" => &I32X2X2,
"int32x2x3_t" => &I32X2X3,
"int32x2x4_t" => &I32X2X4,
"int32x4_t" => &I32X4,
"int32x4x2_t" => &I32X4X2,
"int32x4x3_t" => &I32X4X3,
"int32x4x4_t" => &I32X4X4,
"int64_t" => &I64,
"int64x1_t" => &I64X1,
"int64x1x2_t" => &I64X1X2,
"int64x1x3_t" => &I64X1X3,
"int64x1x4_t" => &I64X1X4,
"int64x2_t" => &I64X2,
"int64x2x2_t" => &I64X2X2,
"int64x2x3_t" => &I64X2X3,
"int64x2x4_t" => &I64X2X4,
"int8_t" => &I8,
"int8x16_t" => &I8X16,
"int8x16x2_t" => &I8X16X2,
"int8x16x3_t" => &I8X16X3,
"int8x16x4_t" => &I8X16X4,
"int8x4_t" => &I8X4,
"int8x8_t" => &I8X8,
"int8x8x2_t" => &I8X8X2,
"int8x8x3_t" => &I8X8X3,
"int8x8x4_t" => &I8X8X4,
"poly128_t" => &P128,
"poly16_t" => &P16,
"poly16x4_t" => &POLY16X4,
"poly16x4x2_t" => &P16X4X2,
"poly16x4x3_t" => &P16X4X3,
"poly16x4x4_t" => &P16X4X4,
"poly16x8_t" => &POLY16X8,
"poly16x8x2_t" => &P16X8X2,
"poly16x8x3_t" => &P16X8X3,
"poly16x8x4_t" => &P16X8X4,
"poly64_t" => &P64,
"poly64x1_t" => &POLY64X1,
"poly64x1x2_t" => &P64X1X2,
"poly64x1x3_t" => &P64X1X3,
"poly64x1x4_t" => &P64X1X4,
"poly64x2_t" => &POLY64X2,
"poly64x2x2_t" => &P64X2X2,
"poly64x2x3_t" => &P64X2X3,
"poly64x2x4_t" => &P64X2X4,
"poly8_t" => &P8,
"poly8x16_t" => &POLY8X16,
"poly8x16x2_t" => &POLY8X16X2,
"poly8x16x3_t" => &POLY8X16X3,
"poly8x16x4_t" => &POLY8X16X4,
"poly8x8_t" => &POLY8X8,
"poly8x8x2_t" => &POLY8X8X2,
"poly8x8x3_t" => &POLY8X8X3,
"poly8x8x4_t" => &POLY8X8X4,
"uint16_t" => &U16,
"uint16x4_t" => &U16X4,
"uint16x4x2_t" => &U16X4X2,
"uint16x4x3_t" => &U16X4X3,
"uint16x4x4_t" => &U16X4X4,
"uint16x8_t" => &U16X8,
"uint16x8x2_t" => &U16X8X2,
"uint16x8x3_t" => &U16X8X3,
"uint16x8x4_t" => &U16X8X4,
"uint32_t" => &U32,
"uint32x2_t" => &U32X2,
"uint32x2x2_t" => &U32X2X2,
"uint32x2x3_t" => &U32X2X3,
"uint32x2x4_t" => &U32X2X4,
"uint32x4_t" => &U32X4,
"uint32x4x2_t" => &U32X4X2,
"uint32x4x3_t" => &U32X4X3,
"uint32x4x4_t" => &U32X4X4,
"uint64_t" => &U64,
"uint64x1_t" => &U64X1,
"uint64x1x2_t" => &U64X1X2,
"uint64x1x3_t" => &U64X1X3,
"uint64x1x4_t" => &U64X1X4,
"uint64x2_t" => &U64X2,
"uint64x2x2_t" => &U64X2X2,
"uint64x2x3_t" => &U64X2X3,
"uint64x2x4_t" => &U64X2X4,
"uint8_t" => &U8,
"uint8x16_t" => &U8X16,
"uint8x16x2_t" => &U8X16X2,
"uint8x16x3_t" => &U8X16X3,
"uint8x16x4_t" => &U8X16X4,
"uint8x8_t" => &U8X8,
"uint8x8x2_t" => &U8X8X2,
"uint8x8x3_t" => &U8X8X3,
"uint8x8x4_t" => &U8X8X4,
_ => panic!("failed to parse html type {:?}", s),
}
}
fn collect_text(s: &mut String, node: &Node) {
if let NodeData::Text { contents } = &node.data {
s.push(' ');
s.push_str(&contents.borrow().to_string());
}
for child in node.children.borrow().iter() {
collect_text(s, child);
}
}
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