mirror of
https://github.com/roc-lang/roc.git
synced 2025-09-27 13:59:08 +00:00
45 lines
1.4 KiB
Rust
45 lines
1.4 KiB
Rust
use crate::ast::{self, Attempting};
|
|
use crate::blankspace::space0_before;
|
|
use crate::expr::expr;
|
|
use crate::module::{header, module_defs};
|
|
use crate::parser::{loc, Fail, Parser, State};
|
|
use bumpalo::collections::Vec;
|
|
use bumpalo::Bump;
|
|
use roc_region::all::Located;
|
|
|
|
#[allow(dead_code)]
|
|
pub fn parse_expr_with<'a>(arena: &'a Bump, input: &'a str) -> Result<ast::Expr<'a>, Fail> {
|
|
parse_loc_with(arena, input).map(|loc_expr| loc_expr.value)
|
|
}
|
|
|
|
pub fn parse_header_with<'a>(arena: &'a Bump, input: &'a str) -> Result<ast::Module<'a>, Fail> {
|
|
let state = State::new(input.trim().as_bytes(), Attempting::Module);
|
|
let answer = header().parse(arena, state);
|
|
|
|
answer
|
|
.map(|(loc_expr, _)| loc_expr)
|
|
.map_err(|(fail, _)| fail)
|
|
}
|
|
|
|
#[allow(dead_code)]
|
|
pub fn parse_defs_with<'a>(
|
|
arena: &'a Bump,
|
|
input: &'a str,
|
|
) -> Result<Vec<'a, Located<ast::Def<'a>>>, Fail> {
|
|
let state = State::new(input.trim().as_bytes(), Attempting::Module);
|
|
let answer = module_defs().parse(arena, state);
|
|
answer
|
|
.map(|(loc_expr, _)| loc_expr)
|
|
.map_err(|(fail, _)| fail)
|
|
}
|
|
|
|
#[allow(dead_code)]
|
|
pub fn parse_loc_with<'a>(arena: &'a Bump, input: &'a str) -> Result<Located<ast::Expr<'a>>, Fail> {
|
|
let state = State::new(input.trim().as_bytes(), Attempting::Module);
|
|
let parser = space0_before(loc(expr(0)), 0);
|
|
let answer = parser.parse(&arena, state);
|
|
|
|
answer
|
|
.map(|(loc_expr, _)| loc_expr)
|
|
.map_err(|(fail, _)| fail)
|
|
}
|