language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-10-01 15:51:12 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

Wasm: Serialize WasmModule without linking info

Browse source
This commit is contained in:
Brian Carroll 2022-01-08 16:12:48 +00:00
parent b8ab6af203
commit 5a39002e8b
6 changed files with 75 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

35
compiler/gen_wasm/src/wasm_module/code_builder.rs
View file

@ -156,6 +156,12 @@ pub struct CodeBuilder<'a> {
relocations: Vec<'a, RelocationEntry>,
}
impl<'a> Serialize for CodeBuilder<'a> {
fn serialize<T: SerialBuffer>(&self, buffer: &mut T) {
self.serialize_without_relocs(buffer);
}
}
#[allow(clippy::new_without_default)]
impl<'a> CodeBuilder<'a> {
pub fn new(arena: &'a Bump) -> Self {
@ -470,6 +476,35 @@ impl<'a> CodeBuilder<'a> {
***********************************************************/
/// Serialize all byte vectors in the right order
/// Also update relocation offsets relative to the base offset (code section body start)
pub fn serialize_without_relocs<T: SerialBuffer>(&self, buffer: &mut T) {
buffer.append_slice(&self.inner_length);
buffer.append_slice(&self.preamble);
let mut code_pos = 0;
let mut insert_iter = self.insertions.iter();
loop {
let next_insert = insert_iter.next();
let next_pos = match next_insert {
Some(Insertion { at, .. }) => *at,
None => self.code.len(),
};
buffer.append_slice(&self.code[code_pos..next_pos]);
match next_insert {
Some(Insertion { at, start, end }) => {
buffer.append_slice(&self.insert_bytes[*start..*end]);
code_pos = *at;
}
None => {
break;
}
}
}
}
/// Serialize all byte vectors in the right order
/// Also update relocation offsets relative to the base offset (code section body start)
pub fn serialize_with_relocs<T: SerialBuffer>(