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Add FunctionSignature::from_hir

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This commit is contained in:
Ville Penttinen 2019-04-08 10:46:26 +03:00
parent 2fe075f56e
commit dfaebd76ab
2 changed files with 11 additions and 6 deletions
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10
crates/ra_ide_api/src/call_info.rs
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@ -6,7 +6,6 @@ use ra_syntax::{
ast::{self, ArgListOwner},
algo::find_node_at_offset,
};
use hir::Docs;
use crate::{FilePosition, CallInfo, FunctionSignature, db::RootDatabase};
@ -27,7 +26,7 @@ pub(crate) fn call_info(db: &RootDatabase, position: FilePosition) -> Option<Cal
let fn_def = ast::FnDef::cast(fn_def).unwrap();
let function = hir::source_binder::function_from_source(db, symbol.file_id, fn_def)?;
let mut call_info = CallInfo::new(db, function, fn_def)?;
let mut call_info = CallInfo::new(db, function);
// If we have a calling expression let's find which argument we are on
let num_params = call_info.parameters().len();
@ -107,11 +106,10 @@ impl<'a> FnCallNode<'a> {
}
impl CallInfo {
fn new(db: &RootDatabase, function: hir::Function, node: &ast::FnDef) -> Option<Self> {
let doc = function.docs(db);
let signature = FunctionSignature::from(node).with_doc_opt(doc);
fn new(db: &RootDatabase, function: hir::Function) -> Self {
let signature = FunctionSignature::from_hir(db, function);
Some(CallInfo { signature, active_parameter: None })
CallInfo { signature, active_parameter: None }
}
fn parameters(&self) -> &[String] {

7
crates/ra_ide_api/src/display.rs
View file

@ -5,6 +5,7 @@ use std::fmt::{self, Display};
use join_to_string::join;
use ra_syntax::ast::{self, AstNode, NameOwner, VisibilityOwner, TypeParamsOwner};
use std::convert::From;
use hir::Docs;
/// Contains information about a function signature
#[derive(Debug)]
@ -30,6 +31,12 @@ impl FunctionSignature {
self.doc = doc;
self
}
pub(crate) fn from_hir(db: &db::RootDatabase, function: hir::Function) -> Self {
let doc = function.docs(db);
let (_, ast_node) = function.source(db);
FunctionSignature::from(&*ast_node).with_doc_opt(doc)
}
}
impl From<&'_ ast::FnDef> for FunctionSignature {