Function pest_meta::parser::parse

source · 
pub fn parse(rule: Rule, data: &str) -> Result<Pairs<'_, Rule>, Error<Rule>>
Expand description

A helper that will parse using the pest grammar

Examples found in repository?
src/lib.rs (line 62)
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pub fn parse_and_optimize(
    grammar: &str,
) -> Result<UsedBuiltinAndOptimized<'_>, Vec<Error<parser::Rule>>> {
    let pairs = match parser::parse(parser::Rule::grammar_rules, grammar) {
        Ok(pairs) => Ok(pairs),
        Err(error) => Err(vec![error]),
    }?;

    let defaults = validator::validate_pairs(pairs.clone())?;
    let ast = parser::consume_rules(pairs)?;

    Ok((defaults, optimizer::optimize(ast)))
}