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Implement Tok::Comment

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This commit is contained in:
Charlie Marsh 2022-11-06 20:43:41 -05:00
parent a5b59f3c9d
commit b6c230f3ca
4 changed files with 23 additions and 9 deletions
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11
parser/src/parser.rs
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@ -5,9 +5,10 @@
//! parse a whole program, a single statement, or a single
//! expression.
use crate::lexer::LexResult;
use crate::lexer::{LexResult, Tok};
pub use crate::mode::Mode;
use crate::{ast, error::ParseError, lexer, python};
use itertools::Itertools;
use std::iter;
/*
@ -74,7 +75,9 @@ pub fn parse_expression(source: &str, path: &str) -> Result<ast::Expr, ParseErro
pub fn parse(source: &str, mode: Mode, source_path: &str) -> Result<ast::Mod, ParseError> {
let lxr = lexer::make_tokenizer(source);
let marker_token = (Default::default(), mode.to_marker(), Default::default());
let tokenizer = iter::once(Ok(marker_token)).chain(lxr);
let tokenizer = iter::once(Ok(marker_token))
.chain(lxr)
.filter_ok(|(_, tok, _)| !matches!(tok, Tok::Comment));
python::TopParser::new()
.parse(tokenizer)
@ -88,7 +91,9 @@ pub fn parse_tokens(
source_path: &str,
) -> Result<ast::Mod, ParseError> {
let marker_token = (Default::default(), mode.to_marker(), Default::default());
let tokenizer = iter::once(Ok(marker_token)).chain(lxr);
let tokenizer = iter::once(Ok(marker_token))
.chain(lxr)
.filter_ok(|(_, tok, _)| !matches!(tok, Tok::Comment));
python::TopParser::new()
.parse(tokenizer)