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23 lines
774 B
Rust
23 lines
774 B
Rust
extern crate bumpalo;
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use self::bumpalo::Bump;
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use roc_parse::ast::{self, Attempting};
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use roc_parse::blankspace::space0_before;
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use roc_parse::parser::{loc, Fail, Parser, State};
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use roc_region::all::Located;
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#[allow(dead_code)]
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pub fn parse_with<'a>(arena: &'a Bump, input: &'a str) -> Result<ast::Expr<'a>, Fail> {
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parse_loc_with(arena, input).map(|loc_expr| loc_expr.value)
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}
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#[allow(dead_code)]
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pub fn parse_loc_with<'a>(arena: &'a Bump, input: &'a str) -> Result<Located<ast::Expr<'a>>, Fail> {
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let state = State::new(input.as_bytes(), Attempting::Module);
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let parser = space0_before(loc(roc_parse::expr::expr(0)), 0);
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let answer = parser.parse(&arena, state);
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answer
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.map(|(loc_expr, _)| loc_expr)
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.map_err(|(fail, _)| fail)
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}
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