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Don't parse source files to generate macro completion details

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This commit is contained in:
Lukas Wirth 2022-03-10 22:21:58 +01:00
parent b1ab5770c9
commit 6c8c02f625
15 changed files with 157 additions and 204 deletions
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36
crates/syntax/src/display.rs
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@ -1,6 +1,6 @@
//! This module contains utilities for rendering syntax nodes into a string representing their signature.
use crate::ast::{self, HasAttrs, HasGenericParams, HasName};
use crate::ast::{self, HasGenericParams, HasName};
use ast::HasVisibility;
use stdx::format_to;
@ -49,37 +49,3 @@ pub fn function_declaration(node: &ast::Fn) -> String {
}
buf
}
pub fn macro_label(node: &ast::Macro) -> String {
let name = node.name();
let mut s = String::new();
match node {
ast::Macro::MacroRules(node) => {
let vis = if node.has_atom_attr("macro_export") { "#[macro_export] " } else { "" };
format_to!(s, "{}macro_rules!", vis);
}
ast::Macro::MacroDef(node) => {
if let Some(vis) = node.visibility() {
format_to!(s, "{} ", vis);
}
format_to!(s, "macro");
}
}
if let Some(name) = name {
format_to!(s, " {}", name);
}
s
}
pub fn fn_as_proc_macro_label(node: &ast::Fn) -> String {
let name = node.name();
let mut s = String::new();
if let Some(vis) = node.visibility() {
format_to!(s, "{} ", vis);
}
format_to!(s, "macro");
if let Some(name) = name {
format_to!(s, " {}", name);
}
s
}