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use super::super::{Argument, Token, TryFromArgument, TryFromArgumentGroup};
use super::{LoopControl, TokenDeserialize};
use df_ls_diagnostics::{hash_map, DMExtraInfo, DiagnosticsInfo};
use df_ls_lexical_analysis::TreeCursor;
/// Deserialize a token with following pattern: `[REF]`
impl TokenDeserialize for () {
fn deserialize_tokens(
cursor: &mut TreeCursor,
source: &str,
diagnostics: &mut DiagnosticsInfo,
) -> Result<Box<Self>, ()> {
// Get arguments from token
let token = match Token::deserialize_tokens(cursor, source, diagnostics) {
Ok(token) => token,
Err(err) => {
// When token could not be parsed correctly.
// Token could not be parsed, so we can consume it.
// Because this will always fail.
Token::consume_token(cursor)?;
return Err(err);
}
};
Token::consume_token(cursor)?;
// Token Name
token.check_token_name(source, diagnostics, true)?;
// Does not expect any arguments except for token name
token.check_all_arg_consumed(source, diagnostics, true)?;
Ok(Box::new(()))
}
fn deserialize_general_token(
_cursor: &mut TreeCursor,
_source: &str,
_diagnostics: &mut DiagnosticsInfo,
new_self: Box<Self>,
) -> (LoopControl, Box<Self>) {
(LoopControl::DoNothing, new_self)
}
fn get_vec_loopcontrol() -> LoopControl {
LoopControl::DoNothing
}
fn get_allowed_tokens() -> Option<Vec<String>> {
None
}
}
// ------------------------- Convert a group of arguments to Self -----------------------
impl TryFromArgumentGroup for () {
fn try_from_argument_group(
token: &mut Token,
source: &str,
diagnostics: &mut DiagnosticsInfo,
add_diagnostics_on_err: bool,
) -> Result<Self, ()> {
let arg_opt = token.get_current_arg_opt();
Self::try_from_argument(arg_opt, source, diagnostics, add_diagnostics_on_err)
}
}
// -------------------------Convert one argument to Self -----------------------
impl TryFromArgument for () {
fn try_from_argument(
arg_opt: Option<&Argument>,
_source: &str,
diagnostics: &mut DiagnosticsInfo,
add_diagnostics_on_err: bool,
) -> Result<Self, ()> {
if let Some(arg) = arg_opt {
if add_diagnostics_on_err {
diagnostics.add_message(
DMExtraInfo {
range: arg.node.get_range(),
message_template_data: hash_map! {
"expected_parameters" => Self::expected_argument_types(),
"found_parameters" => arg.value.argument_to_token_type_name(),
},
},
"wrong_arg_type",
);
}
Err(())
} else {
Ok(())
}
}
fn expected_argument_types() -> String {
"No arguments".to_owned()
}
}
// Prevent having to copy post following code with little changes
// for each of the tuple amount
macro_rules! token_de_tuples {
( $($x:ident,)+ ) => {
/// Deserialize a token with following pattern: `[REF:..:..:..]`
impl<$($x),+> TokenDeserialize for ($($x,)+)
where
$(
$x: Default + TryFromArgumentGroup,
)+
{
fn deserialize_tokens(
cursor: &mut TreeCursor,
source: &str,
diagnostics: &mut DiagnosticsInfo,
) -> Result<Box<Self>, ()> {
// Check that is has no additional arguments
let mut token = match Token::deserialize_tokens(cursor, source, diagnostics){
Ok(token) => token,
Err(err) => {
// When token could not be parsed correctly.
// Token could not be parsed, so we can consume it.
// Because this will always fail.
Token::consume_token(cursor)?;
return Err(err);
}
};
Token::consume_token(cursor)?;
// Token Name
token.check_token_name(source, diagnostics, true)?;
// Check all next arguments
let result =
Self::try_from_argument_group(&mut token, source, diagnostics, true);
// Mark any let over arguments as unchecked.
if result.is_err() {
// In case of an error, mark other arguments as unchecked.
crate::mark_rest_of_token_as_unchecked(diagnostics, &token);
}
// If error in one of the arguments is not correct
// it might not have consumed them all.
// So early error out, so `check_all_arg_consumed` is only checked
// if all arguments are correct.
let result = result?;
token.check_all_arg_consumed(source, diagnostics, true)?;
Ok(Box::new(result))
}
fn deserialize_general_token(
_cursor: &mut TreeCursor,
_source: &str,
_diagnostics: &mut DiagnosticsInfo,
new_self: Box<Self>,
) -> (LoopControl, Box<Self>) {
(LoopControl::DoNothing, new_self)
}
fn get_vec_loopcontrol() -> LoopControl {
LoopControl::DoNothing
}
fn get_allowed_tokens() -> Option<Vec<String>> {
None
}
}
// ------------------------- Convert a group of arguments to Self -----------------------
impl<$($x),+> TryFromArgumentGroup for ($($x,)+)
where
$(
$x: Default + TryFromArgumentGroup,
)+
{
fn try_from_argument_group(
mut token: &mut Token,
source: &str,
mut diagnostics: &mut DiagnosticsInfo,
add_diagnostics_on_err: bool,
) -> Result<Self, ()> {
// Check all next arguments
let result = (
$(
{
$x::try_from_argument_group(&mut token,
source,
&mut diagnostics,
add_diagnostics_on_err,
)?
},
)+
);
Ok(result)
}
}
// -------------------------Convert one argument to Self -----------------------
// TryFromArgument is not used, use TryFromArgumentGroup instead
};
}
token_de_tuples!(T1,);
token_de_tuples!(T1, T2,);
token_de_tuples!(T1, T2, T3,);
token_de_tuples!(T1, T2, T3, T4,);
token_de_tuples!(T1, T2, T3, T4, T5,);
token_de_tuples!(T1, T2, T3, T4, T5, T6,);
token_de_tuples!(T1, T2, T3, T4, T5, T6, T7,);
token_de_tuples!(T1, T2, T3, T4, T5, T6, T7, T8,);
token_de_tuples!(T1, T2, T3, T4, T5, T6, T7, T8, T9,);
token_de_tuples!(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10,);
token_de_tuples!(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11,);
token_de_tuples!(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12,);