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// pest. The Elegant Parser
// Copyright (c) 2018 Dragoș Tiselice
//
// Licensed under the Apache License, Version 2.0
// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT
// license <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. All files in the project carrying such notice may not be copied,
// modified, or distributed except according to those terms.

extern crate maplit;
#[cfg(test)]
#[macro_use]
extern crate pest;
#[cfg(not(test))]
extern crate pest;

use std::fmt::Display;

pub mod parser;
pub mod ast;
pub mod optimizer;
pub mod validator;

pub fn unwrap_or_report<T, E>(result: Result<T, E>) -> T
where
    E: IntoIterator,
    E::Item: Display
{
    result.unwrap_or_else(|e| {
        panic!(
            "grammar error\n\n".to_owned()
                + &e.into_iter()
                    .map(|error| format!("{}", error))
                    .collect::<Vec<_>>()
                    .join("\n\n")
        )
    })
}

#[doc(hidden)]
pub static UNICODE_PROPERTY_NAMES: &[&str] = &[
    /* BINARY */ "ALPHABETIC", "BIDI_CONTROL", "CASE_IGNORABLE", "CASED",
    "CHANGES_WHEN_CASEFOLDED", "CHANGES_WHEN_CASEMAPPED", "CHANGES_WHEN_LOWERCASED",
    "CHANGES_WHEN_TITLECASED", "CHANGES_WHEN_UPPERCASED", "DASH", "DEFAULT_IGNORABLE_CODE_POINT",
    "DEPRECATED", "DIACRITIC", "EXTENDER", "GRAPHEME_BASE", "GRAPHEME_EXTEND", "GRAPHEME_LINK",
    "HEX_DIGIT", "HYPHEN", "IDS_BINARY_OPERATOR", "IDS_TRINARY_OPERATOR", "ID_CONTINUE", "ID_START",
    "IDEOGRAPHIC", "JOIN_CONTROL", "LOGICAL_ORDER_EXCEPTION", "LOWERCASE", "MATH",
    "NONCHARACTER_CODE_POINT", "OTHER_ALPHABETIC", "OTHER_DEFAULT_IGNORABLE_CODE_POINT",
    "OTHER_GRAPHEME_EXTEND", "OTHER_ID_CONTINUE", "OTHER_ID_START", "OTHER_LOWERCASE", "OTHER_MATH",
    "OTHER_UPPERCASE", "PATTERN_SYNTAX", "PATTERN_WHITE_SPACE", "PREPENDED_CONCATENATION_MARK",
    "QUOTATION_MARK", "RADICAL", "REGIONAL_INDICATOR", "SENTENCE_TERMINAL", "SOFT_DOTTED",
    "TERMINAL_PUNCTUATION", "UNIFIED_IDEOGRAPH", "UPPERCASE", "VARIATION_SELECTOR", "WHITE_SPACE",
    "XID_CONTINUE", "XID_START", /* CATEGORY */ "CASED_LETTER", "CLOSE_PUNCTUATION",
    "CONNECTOR_PUNCTUATION", "CONTROL", "CURRENCY_SYMBOL", "DASH_PUNCTUATION", "DECIMAL_NUMBER",
    "ENCLOSING_MARK", "FINAL_PUNCTUATION", "FORMAT", "INITIAL_PUNCTUATION", "LETTER",
    "LETTER_NUMBER", "LINE_SEPARATOR", "LOWERCASE_LETTER", "MARK", "MATH_SYMBOL", "MODIFIER_LETTER",
    "MODIFIER_SYMBOL", "NONSPACING_MARK", "NUMBER", "OPEN_PUNCTUATION", "OTHER", "OTHER_LETTER",
    "OTHER_NUMBER", "OTHER_PUNCTUATION", "OTHER_SYMBOL", "PARAGRAPH_SEPARATOR", "PRIVATE_USE",
    "PUNCTUATION", "SEPARATOR", "SPACE_SEPARATOR", "SPACING_MARK", "SURROGATE", "SYMBOL",
    "TITLECASE_LETTER", "UNASSIGNED", "UPPERCASE_LETTER",
];