Normalize line-endings in display.rs

This changes from CRLF to LF
This commit is contained in:
Ville Penttinen 2019-04-08 10:25:35 +03:00
parent f4aa15c16b
commit 2fe075f56e

View file

@ -1,112 +1,112 @@
//! This module contains utilities for rendering turning things into something //! This module contains utilities for rendering turning things into something
//! that may be used to render in UI. //! that may be used to render in UI.
use super::*; use super::*;
use std::fmt::{self, Display}; use std::fmt::{self, Display};
use join_to_string::join; use join_to_string::join;
use ra_syntax::ast::{self, AstNode, NameOwner, VisibilityOwner, TypeParamsOwner}; use ra_syntax::ast::{self, AstNode, NameOwner, VisibilityOwner, TypeParamsOwner};
use std::convert::From; use std::convert::From;
/// Contains information about a function signature /// Contains information about a function signature
#[derive(Debug)] #[derive(Debug)]
pub struct FunctionSignature { pub struct FunctionSignature {
/// Optional visibility /// Optional visibility
pub visibility: Option<String>, pub visibility: Option<String>,
/// Name of the function /// Name of the function
pub name: Option<String>, pub name: Option<String>,
/// Documentation for the function /// Documentation for the function
pub doc: Option<Documentation>, pub doc: Option<Documentation>,
/// Generic parameters /// Generic parameters
pub generic_parameters: Vec<String>, pub generic_parameters: Vec<String>,
/// Parameters of the function /// Parameters of the function
pub parameters: Vec<String>, pub parameters: Vec<String>,
/// Optional return type /// Optional return type
pub ret_type: Option<String>, pub ret_type: Option<String>,
/// Where predicates /// Where predicates
pub where_predicates: Vec<String>, pub where_predicates: Vec<String>,
} }
impl FunctionSignature { impl FunctionSignature {
pub(crate) fn with_doc_opt(mut self, doc: Option<Documentation>) -> Self { pub(crate) fn with_doc_opt(mut self, doc: Option<Documentation>) -> Self {
self.doc = doc; self.doc = doc;
self self
} }
} }
impl From<&'_ ast::FnDef> for FunctionSignature { impl From<&'_ ast::FnDef> for FunctionSignature {
fn from(node: &ast::FnDef) -> FunctionSignature { fn from(node: &ast::FnDef) -> FunctionSignature {
fn param_list(node: &ast::FnDef) -> Vec<String> { fn param_list(node: &ast::FnDef) -> Vec<String> {
let mut res = vec![]; let mut res = vec![];
if let Some(param_list) = node.param_list() { if let Some(param_list) = node.param_list() {
if let Some(self_param) = param_list.self_param() { if let Some(self_param) = param_list.self_param() {
res.push(self_param.syntax().text().to_string()) res.push(self_param.syntax().text().to_string())
} }
res.extend(param_list.params().map(|param| param.syntax().text().to_string())); res.extend(param_list.params().map(|param| param.syntax().text().to_string()));
} }
res res
} }
FunctionSignature { FunctionSignature {
visibility: node.visibility().map(|n| n.syntax().text().to_string()), visibility: node.visibility().map(|n| n.syntax().text().to_string()),
name: node.name().map(|n| n.text().to_string()), name: node.name().map(|n| n.text().to_string()),
ret_type: node ret_type: node
.ret_type() .ret_type()
.and_then(|r| r.type_ref()) .and_then(|r| r.type_ref())
.map(|n| n.syntax().text().to_string()), .map(|n| n.syntax().text().to_string()),
parameters: param_list(node), parameters: param_list(node),
generic_parameters: generic_parameters(node), generic_parameters: generic_parameters(node),
where_predicates: where_predicates(node), where_predicates: where_predicates(node),
// docs are processed separately // docs are processed separately
doc: None, doc: None,
} }
} }
} }
impl Display for FunctionSignature { impl Display for FunctionSignature {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
if let Some(t) = &self.visibility { if let Some(t) = &self.visibility {
write!(f, "{} ", t)?; write!(f, "{} ", t)?;
} }
if let Some(name) = &self.name { if let Some(name) = &self.name {
write!(f, "fn {}", name)?; write!(f, "fn {}", name)?;
} }
if !self.generic_parameters.is_empty() { if !self.generic_parameters.is_empty() {
join(self.generic_parameters.iter()) join(self.generic_parameters.iter())
.separator(", ") .separator(", ")
.surround_with("<", ">") .surround_with("<", ">")
.to_fmt(f)?; .to_fmt(f)?;
} }
join(self.parameters.iter()).separator(", ").surround_with("(", ")").to_fmt(f)?; join(self.parameters.iter()).separator(", ").surround_with("(", ")").to_fmt(f)?;
if let Some(t) = &self.ret_type { if let Some(t) = &self.ret_type {
write!(f, " -> {}", t)?; write!(f, " -> {}", t)?;
} }
if !self.where_predicates.is_empty() { if !self.where_predicates.is_empty() {
write!(f, "\nwhere ")?; write!(f, "\nwhere ")?;
join(self.where_predicates.iter()).separator(",\n ").to_fmt(f)?; join(self.where_predicates.iter()).separator(",\n ").to_fmt(f)?;
} }
Ok(()) Ok(())
} }
} }
pub(crate) fn generic_parameters<N: TypeParamsOwner>(node: &N) -> Vec<String> { pub(crate) fn generic_parameters<N: TypeParamsOwner>(node: &N) -> Vec<String> {
let mut res = vec![]; let mut res = vec![];
if let Some(type_params) = node.type_param_list() { if let Some(type_params) = node.type_param_list() {
res.extend(type_params.lifetime_params().map(|p| p.syntax().text().to_string())); res.extend(type_params.lifetime_params().map(|p| p.syntax().text().to_string()));
res.extend(type_params.type_params().map(|p| p.syntax().text().to_string())); res.extend(type_params.type_params().map(|p| p.syntax().text().to_string()));
} }
res res
} }
pub(crate) fn where_predicates<N: TypeParamsOwner>(node: &N) -> Vec<String> { pub(crate) fn where_predicates<N: TypeParamsOwner>(node: &N) -> Vec<String> {
let mut res = vec![]; let mut res = vec![];
if let Some(clause) = node.where_clause() { if let Some(clause) = node.where_clause() {
res.extend(clause.predicates().map(|p| p.syntax().text().to_string())); res.extend(clause.predicates().map(|p| p.syntax().text().to_string()));
} }
res res
} }