language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-09-29 06:44:46 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

wasm_interp: Add --debug flag

Browse source
This commit is contained in:
Brian Carroll 2022-11-25 00:04:18 +00:00
parent 3d756a8fff
commit 9d77c474d9
No known key found for this signature in database
GPG key ID: 5C7B2EC4101703C0
4 changed files with 94 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

56
crates/wasm_interp/src/value_stack.rs
View file

@ -146,6 +146,36 @@ impl<'a> ValueStack<'a> {
_ => panic!("Expected F64 but value stack was empty"),
}
}
fn fmt_from_index(
&self,
f: &mut std::fmt::Formatter<'_>,
from_index: usize,
) -> std::fmt::Result {
write!(f, "[")?;
let mut bytes_index = 0;
assert_eq!(self.is_64.len(), self.is_float.len());
if from_index < self.is_64.len() {
let iter_64 = self.is_64.iter().by_vals();
let iter_float = self.is_float.iter().by_vals();
for (i, (is_64, is_float)) in iter_64.zip(iter_float).enumerate() {
if i < from_index {
continue;
}
let value = self.get(is_64, is_float, bytes_index);
bytes_index += if is_64 { 8 } else { 4 };
value.fmt(f)?;
if i < self.is_64.len() - 1 {
write!(f, ", ")?;
}
}
}
write!(f, "]")
}
pub fn get_slice<'b>(&'b self, index: usize) -> ValueStackSlice<'a, 'b> {
ValueStackSlice { stack: self, index }
}
}
fn type_from_flags(is_float: bool, is_64: bool) -> ValueType {
@ -159,20 +189,18 @@ fn type_from_flags(is_float: bool, is_64: bool) -> ValueType {
impl Debug for ValueStack<'_> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "[")?;
let mut index = 0;
assert_eq!(self.is_64.len(), self.is_float.len());
let iter_64 = self.is_64.iter().by_vals();
let iter_float = self.is_float.iter().by_vals();
for (i, (is_64, is_float)) in iter_64.zip(iter_float).enumerate() {
let value = self.get(is_64, is_float, index);
index += if is_64 { 8 } else { 4 };
value.fmt(f)?;
if i < self.is_64.len() - 1 {
write!(f, ", ")?;
}
}
write!(f, "]")
self.fmt_from_index(f, 0)
}
}
pub struct ValueStackSlice<'a, 'b> {
stack: &'b ValueStack<'a>,
index: usize,
}
impl Debug for ValueStackSlice<'_, '_> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
self.stack.fmt_from_index(f, self.index)
}
}