language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-09-22 03:22:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

scoping all working and patterns too

Browse source 
Signed-off-by: faldor20 <eli.jambu@yahoo.com>
This commit is contained in:
Eli Dowling 2023-12-02 12:59:23 +10:00 • committed by faldor20
parent 049c0e6358
commit a988ee29ff
No known key found for this signature in database
GPG key ID: F2216079B890CD57
3 changed files with 238 additions and 164 deletions
Download patch file Download diff file Expand all files Collapse all files

73
crates/compiler/can/src/traverse.rs
View file

@ -169,7 +169,7 @@ pub fn walk_decls<V: Visitor>(visitor: &mut V, decls: &Declarations) {
}
}
fn walk_decl<V: Visitor>(visitor: &mut V, decl: DeclarationInfo<'_>) {
pub fn walk_decl<V: Visitor>(visitor: &mut V, decl: DeclarationInfo<'_>) {
use DeclarationInfo::*;
match decl {
@ -968,74 +968,3 @@ pub fn find_declaration(symbol: Symbol, decls: &'_ Declarations) -> Option<Found
}
}
}
struct CompletionVisitor<'a, U, T> {
position: Position,
found_decls: Vec<T>,
state: &'a mut U,
processor: fn(&mut U, FoundDeclaration) -> T,
}
impl<T, U> Visitor for CompletionVisitor<'_, U, T> {
fn should_visit(&mut self, region: Region) -> bool {
region.contains_pos(self.position)
}
// fn visit_expr(&mut self, expr: &Expr, region: Region, var: Variable) {
// if region.contains_pos(self.position) {
// // self.region_typ = Some((region, var));
// walk_expr(self, expr, var);
// }
// }
// fn visit_pattern(&mut self, pat: &Pattern, region: Region, opt_var: Option<Variable>) {
// if region.contains_pos(self.position) {
// // if let Some(var) = opt_var {
// // self.region_typ = Some((region, var));
// // }
// walk_pattern(self, pat);
// }
// }
fn visit_decl(&mut self, decl: DeclarationInfo<'_>) {
match decl {
DeclarationInfo::Value { .. }
| DeclarationInfo::Function { .. }
| DeclarationInfo::Destructure { .. } => {
let res = (self.processor)(
self.state,
FoundDeclaration::Decl(unsafe { std::mem::transmute(decl.clone()) }),
);
self.found_decls.push(res);
walk_decl(self, decl);
}
_ => {
walk_decl(self, decl);
}
}
}
fn visit_def(&mut self, def: &Def) {
let res = ((self.processor)(
self.state,
FoundDeclaration::Def(unsafe { std::mem::transmute(def) }),
));
self.found_decls.push(res);
walk_def(self, def);
}
}
pub fn get_completions<'a, U, T>(
position: Position,
decls: &'a Declarations,
state: &mut U,
processor: fn(&mut U, FoundDeclaration) -> T,
) -> Vec<T> {
let mut visitor = CompletionVisitor {
position,
found_decls: Vec::new(),
state,
processor,
};
visitor.visit_decls(decls);
visitor.found_decls
}