bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/syntax/src/ast/make.rs')
-rw-r--r--crates/syntax/src/ast/make.rs42
1 files changed, 41 insertions, 1 deletions
diff --git a/crates/syntax/src/ast/make.rs b/crates/syntax/src/ast/make.rs
index fcdc97ce32..2ec83d23b2 100644
--- a/crates/syntax/src/ast/make.rs
+++ b/crates/syntax/src/ast/make.rs
@@ -15,7 +15,11 @@ use parser::{Edition, T};
use rowan::NodeOrToken;
use stdx::{format_to, format_to_acc, never};
-use crate::{ast, utils::is_raw_identifier, AstNode, SourceFile, SyntaxKind, SyntaxToken};
+use crate::{
+ ast::{self, Param},
+ utils::is_raw_identifier,
+ AstNode, SourceFile, SyntaxKind, SyntaxToken,
+};
/// While the parent module defines basic atomic "constructors", the `ext`
/// module defines shortcuts for common things.
@@ -198,6 +202,38 @@ pub fn ty_alias(
ast_from_text(&s)
}
+pub fn ty_fn_ptr<I: Iterator<Item = Param>>(
+ for_lifetime_list: Option<ast::GenericParamList>,
+ is_unsafe: bool,
+ abi: Option<ast::Abi>,
+ params: I,
+ ret_type: Option<ast::RetType>,
+) -> ast::FnPtrType {
+ let mut s = String::from("type __ = ");
+
+ if let Some(list) = for_lifetime_list {
+ format_to!(s, "for{} ", list);
+ }
+
+ if is_unsafe {
+ s.push_str("unsafe ");
+ }
+
+ if let Some(abi) = abi {
+ format_to!(s, "{} ", abi)
+ }
+
+ s.push_str("fn");
+
+ format_to!(s, "({})", params.map(|p| p.to_string()).join(", "));
+
+ if let Some(ret_type) = ret_type {
+ format_to!(s, " {}", ret_type);
+ }
+
+ ast_from_text(&s)
+}
+
pub fn assoc_item_list() -> ast::AssocItemList {
ast_from_text("impl C for D {}")
}
@@ -862,6 +898,10 @@ pub fn item_const(
ast_from_text(&format!("{visibility} const {name}: {ty} = {expr};"))
}
+pub fn unnamed_param(ty: ast::Type) -> ast::Param {
+ ast_from_text(&format!("fn f({ty}) {{ }}"))
+}
+
pub fn param(pat: ast::Pat, ty: ast::Type) -> ast::Param {
ast_from_text(&format!("fn f({pat}: {ty}) {{ }}"))
}