mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-05 05:04:24 +00:00
Finish GenericParamsOwnerEdit impls
This commit is contained in:
parent
144afa55a6
commit
cedbf2e1c5
@ -23,7 +23,15 @@ impl GenericParamsOwnerEdit for ast::Fn {
|
||||
match self.generic_param_list() {
|
||||
Some(it) => it,
|
||||
None => {
|
||||
let position = Position::after(self.name().unwrap().syntax);
|
||||
let position = if let Some(name) = self.name() {
|
||||
Position::after(name.syntax)
|
||||
} else if let Some(fn_token) = self.fn_token() {
|
||||
Position::after(fn_token)
|
||||
} else if let Some(param_list) = self.param_list() {
|
||||
Position::before(param_list.syntax)
|
||||
} else {
|
||||
Position::last_child_of(self.syntax())
|
||||
};
|
||||
create_generic_param_list(position)
|
||||
}
|
||||
}
|
||||
@ -49,7 +57,11 @@ impl GenericParamsOwnerEdit for ast::Impl {
|
||||
match self.generic_param_list() {
|
||||
Some(it) => it,
|
||||
None => {
|
||||
let position = Position::after(self.impl_token().unwrap());
|
||||
let position = if let Some(imp_token) = self.impl_token() {
|
||||
Position::after(imp_token)
|
||||
} else {
|
||||
Position::last_child_of(self.syntax())
|
||||
};
|
||||
create_generic_param_list(position)
|
||||
}
|
||||
}
|
||||
@ -70,7 +82,19 @@ impl GenericParamsOwnerEdit for ast::Impl {
|
||||
|
||||
impl GenericParamsOwnerEdit for ast::Trait {
|
||||
fn get_or_create_generic_param_list(&self) -> ast::GenericParamList {
|
||||
todo!()
|
||||
match self.generic_param_list() {
|
||||
Some(it) => it,
|
||||
None => {
|
||||
let position = if let Some(name) = self.name() {
|
||||
Position::after(name.syntax)
|
||||
} else if let Some(trait_token) = self.trait_token() {
|
||||
Position::after(trait_token)
|
||||
} else {
|
||||
Position::last_child_of(self.syntax())
|
||||
};
|
||||
create_generic_param_list(position)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn get_or_create_where_clause(&self) -> WhereClause {
|
||||
@ -88,7 +112,19 @@ impl GenericParamsOwnerEdit for ast::Trait {
|
||||
|
||||
impl GenericParamsOwnerEdit for ast::Struct {
|
||||
fn get_or_create_generic_param_list(&self) -> ast::GenericParamList {
|
||||
todo!()
|
||||
match self.generic_param_list() {
|
||||
Some(it) => it,
|
||||
None => {
|
||||
let position = if let Some(name) = self.name() {
|
||||
Position::after(name.syntax)
|
||||
} else if let Some(struct_token) = self.struct_token() {
|
||||
Position::after(struct_token)
|
||||
} else {
|
||||
Position::last_child_of(self.syntax())
|
||||
};
|
||||
create_generic_param_list(position)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn get_or_create_where_clause(&self) -> WhereClause {
|
||||
@ -114,7 +150,19 @@ impl GenericParamsOwnerEdit for ast::Struct {
|
||||
|
||||
impl GenericParamsOwnerEdit for ast::Enum {
|
||||
fn get_or_create_generic_param_list(&self) -> ast::GenericParamList {
|
||||
todo!()
|
||||
match self.generic_param_list() {
|
||||
Some(it) => it,
|
||||
None => {
|
||||
let position = if let Some(name) = self.name() {
|
||||
Position::after(name.syntax)
|
||||
} else if let Some(enum_token) = self.enum_token() {
|
||||
Position::after(enum_token)
|
||||
} else {
|
||||
Position::last_child_of(self.syntax())
|
||||
};
|
||||
create_generic_param_list(position)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn get_or_create_where_clause(&self) -> WhereClause {
|
||||
@ -228,3 +276,44 @@ impl ast::Use {
|
||||
ted::remove(self.syntax())
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use std::fmt;
|
||||
|
||||
use crate::SourceFile;
|
||||
|
||||
use super::*;
|
||||
|
||||
fn ast_mut_from_text<N: AstNode>(text: &str) -> N {
|
||||
let parse = SourceFile::parse(text);
|
||||
parse.tree().syntax().descendants().find_map(N::cast).unwrap().clone_for_update()
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_create_generic_param_list() {
|
||||
fn check_create_gpl<N: GenericParamsOwnerEdit + fmt::Display>(before: &str, after: &str) {
|
||||
let gpl_owner = ast_mut_from_text::<N>(before);
|
||||
gpl_owner.get_or_create_generic_param_list();
|
||||
assert_eq!(gpl_owner.to_string(), after);
|
||||
}
|
||||
|
||||
check_create_gpl::<ast::Fn>("fn foo", "fn foo<>");
|
||||
check_create_gpl::<ast::Fn>("fn foo() {}", "fn foo<>() {}");
|
||||
|
||||
check_create_gpl::<ast::Impl>("impl", "impl<>");
|
||||
check_create_gpl::<ast::Impl>("impl Struct {}", "impl<> Struct {}");
|
||||
check_create_gpl::<ast::Impl>("impl Trait for Struct {}", "impl<> Trait for Struct {}");
|
||||
|
||||
check_create_gpl::<ast::Trait>("trait Trait<>", "trait Trait<>");
|
||||
check_create_gpl::<ast::Trait>("trait Trait<> {}", "trait Trait<> {}");
|
||||
|
||||
check_create_gpl::<ast::Struct>("struct A", "struct A<>");
|
||||
check_create_gpl::<ast::Struct>("struct A;", "struct A<>;");
|
||||
check_create_gpl::<ast::Struct>("struct A();", "struct A<>();");
|
||||
check_create_gpl::<ast::Struct>("struct A {}", "struct A<> {}");
|
||||
|
||||
check_create_gpl::<ast::Enum>("enum E", "enum E<>");
|
||||
check_create_gpl::<ast::Enum>("enum E {", "enum E<> {");
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user