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Add comments to group code together

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This commit is contained in:
Brian Carroll 2021-12-18 00:23:31 +00:00
parent 71bb756d20
commit 55f5956175
1 changed files with 44 additions and 7 deletions
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51
compiler/mono/src/code_gen_help.rs
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@ -77,6 +77,12 @@ impl<'a> CodeGenHelp<'a> {
}
}
// ============================================================================
//
// CALL GENERATED PROCS
//
// ============================================================================
/// Expand a `Refcounting` node to a `Let` node that calls a specialized helper proc.
/// The helper procs themselves are to be generated later with `generate_procs`
pub fn expand_refcount_stmt(
@ -218,6 +224,13 @@ impl<'a> CodeGenHelp<'a> {
(expr, new_procs_info)
}
// ============================================================================
//
// TRAVERSE LAYOUT & CREATE PROC NAMES
//
// ============================================================================
/// Find the Symbol of the procedure for this layout and operation
/// If any new helper procs are needed for this layout or its children,
/// return their details in a vector.
@ -340,6 +353,12 @@ impl<'a> CodeGenHelp<'a> {
Symbol::new(self.home, ident_id)
}
// ============================================================================
//
// GENERATE PROCS
//
// ============================================================================
/// Generate refcounting helper procs, each specialized to a particular Layout.
/// For example `List (Result { a: Str, b: Int } Str)` would get its own helper
/// to update the refcounts on the List, the Result and the strings.
@ -399,13 +418,9 @@ impl<'a> CodeGenHelp<'a> {
eq_todo()
}
Layout::Struct(_) => eq_todo(),
Layout::Union(union_layout) => match union_layout {
UnionLayout::NonRecursive(_) => eq_todo(),
UnionLayout::Recursive(_) => eq_todo(),
UnionLayout::NonNullableUnwrapped(_) => eq_todo(),
UnionLayout::NullableWrapped { .. } => eq_todo(),
UnionLayout::NullableUnwrapped { .. } => eq_todo(),
},
Layout::Union(union_layout) => {
self.eq_tag_union(ident_ids, proc_symbol, union_layout)
}
Layout::LambdaSet(_) => unreachable!("`==` is not defined on functions"),
Layout::RecursivePointer => eq_todo(),
}
@ -433,6 +448,12 @@ impl<'a> CodeGenHelp<'a> {
}
}
// ============================================================================
//
// GENERATE REFCOUNTING
//
// ============================================================================
/// Generate a procedure to modify the reference count of a Str
fn gen_modify_str(
&mut self,
@ -565,6 +586,22 @@ impl<'a> CodeGenHelp<'a> {
host_exposed_layouts: HostExposedLayouts::NotHostExposed,
}
}
// ============================================================================
//
// GENERATE EQUALS
//
// ============================================================================
fn eq_tag_union(
&mut self,
ident_ids: &mut IdentIds,
proc_name: Symbol,
union_layout: UnionLayout<'a>,
) -> Proc<'a> {
//
todo!("return something")
}
}
/// Helper to derive a debug function name from a layout