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#![cfg_attr(docsrs, feature(doc_cfg))]
#![deny(unused_must_use)]
use crate::{
error::Error,
lexer::Lexer,
parser::{input::TokensInput, PResult, Parser, ParserConfig},
};
use swc_common::{input::StringInput, BytePos, SourceFile};
use swc_css_ast::Tokens;
#[macro_use]
mod macros;
pub mod error;
pub mod lexer;
pub mod parser;
#[cfg(test)]
mod tests;
pub trait Parse<T> {
fn parse(&mut self) -> PResult<T>;
}
impl<T, P> Parse<Box<T>> for P
where
Self: Parse<T>,
{
fn parse(&mut self) -> PResult<Box<T>> {
self.parse().map(Box::new)
}
}
pub fn parse_str<'a, T>(
src: &'a str,
start_pos: BytePos,
end_pos: BytePos,
config: ParserConfig,
errors: &mut Vec<Error>,
) -> PResult<T>
where
Parser<Lexer<StringInput<'a>>>: Parse<T>,
{
let lexer = Lexer::new(StringInput::new(src, start_pos, end_pos), config);
let mut parser = Parser::new(lexer, config);
let res = parser.parse();
errors.extend(parser.take_errors());
res
}
pub fn parse_file<'a, T>(
fm: &'a SourceFile,
config: ParserConfig,
errors: &mut Vec<Error>,
) -> PResult<T>
where
Parser<Lexer<StringInput<'a>>>: Parse<T>,
{
let lexer = Lexer::new(StringInput::from(fm), config);
let mut parser = Parser::new(lexer, config);
let res = parser.parse();
errors.extend(parser.take_errors());
res
}
pub fn parse_tokens<'a, T>(
tokens: &'a Tokens,
config: ParserConfig,
errors: &mut Vec<Error>,
) -> PResult<T>
where
Parser<TokensInput<'a>>: Parse<T>,
{
let lexer = TokensInput::new(tokens);
let mut parser = Parser::new(lexer, config);
let res = parser.parse();
errors.extend(parser.take_errors());
res
}