use crate::compiler::{
grammar::instruction::{CompilerState, Instruction},
lexer::{word::Word, Token},
CompileError, ErrorType, Value, VariableType,
};
#[derive(Debug, Clone, PartialEq, Eq)]
#[cfg_attr(
any(test, feature = "serde"),
derive(serde::Serialize, serde::Deserialize)
)]
#[cfg_attr(
feature = "rkyv",
derive(rkyv::Serialize, rkyv::Deserialize, rkyv::Archive)
)]
pub(crate) struct EditFlags {
pub action: Action,
pub name: Option<VariableType>,
pub flags: Vec<Value>,
}
#[derive(Debug, Clone, PartialEq, Eq)]
#[cfg_attr(
any(test, feature = "serde"),
derive(serde::Serialize, serde::Deserialize)
)]
#[cfg_attr(
feature = "rkyv",
derive(rkyv::Serialize, rkyv::Deserialize, rkyv::Archive)
)]
pub(crate) enum Action {
Set,
Add,
Remove,
}
impl CompilerState<'_> {
pub(crate) fn parse_flag_action(&mut self, word: Word) -> Result<(), CompileError> {
let token_info = self.tokens.unwrap_next()?;
let action = match word {
Word::SetFlag => Action::Set,
Word::AddFlag => Action::Add,
Word::RemoveFlag => Action::Remove,
_ => unreachable!(),
};
let instruction = Instruction::EditFlags(
match (
&token_info.token,
self.tokens.peek().map(|r| r.map(|t| &t.token)),
) {
(
Token::StringConstant(_),
Some(Ok(
Token::StringConstant(_) | Token::StringVariable(_) | Token::BracketOpen,
)),
) => EditFlags {
name: self.parse_variable_name(token_info, false)?.into(),
flags: self.parse_strings(false)?,
action,
},
(Token::BracketOpen, _)
| (
Token::StringConstant(_) | Token::StringVariable(_),
Some(Ok(Token::Semicolon)),
) => EditFlags {
name: None,
flags: self.parse_strings_token(token_info)?,
action,
},
_ => {
return Err(token_info.custom(ErrorType::InvalidArguments));
}
},
);
self.instructions.push(instruction);
Ok(())
}
}