<commit_before>use rustc::lint::Context;
use rustc::middle::const_eval::lookup_const_by_id;
use syntax::ast::*;
use syntax::ptr::P;

/// a Lit_-like enum to fold constant `Expr`s into
#[derive(PartialEq, Eq, Debug, Clone)]
pub enum Constant {
    ConstantStr(&'static str, StrStyle),
    ConstantBinary(Rc<Vec<u8>>),
    ConstantByte(u8),
    ConstantChar(char),
    ConstantInt(u64, LitIntType),
    ConstantFloat(Cow<'static, str>, FloatTy),
    ConstantFloatUnsuffixed(Cow<'static, str>),
    ConstantBool(bool),
    ConstantVec(Vec<Constant>),
    ConstantTuple(Vec<Constant>),
}

/// simple constant folding
pub fn constant(cx: &Context, e: &Expr) -> Option<Constant> {
    match e {
        &ExprParen(ref inner) => constant(cx, inner),
        &ExprPath(_, _) => fetch_path(cx, e),
        &ExprBlock(ref block) => constant_block(cx, inner),
        &ExprIf(ref cond, ref then, ref otherwise) => 
            match constant(cx, cond) {
                Some(LitBool(true)) => constant(cx, then),
                Some(LitBool(false)) => constant(cx, otherwise),
                _ => None,<commit_msg>fixed if-condition match<commit_after>use rustc::lint::Context;
use rustc::middle::const_eval::lookup_const_by_id;
use syntax::ast::*;
use syntax::ptr::P;

/// a Lit_-like enum to fold constant `Expr`s into
#[derive(PartialEq, Eq, Debug, Clone)]
pub enum Constant {
    ConstantStr(&'static str, StrStyle),
    ConstantBinary(Rc<Vec<u8>>),
    ConstantByte(u8),
    ConstantChar(char),
    ConstantInt(u64, LitIntType),
    ConstantFloat(Cow<'static, str>, FloatTy),
    ConstantFloatUnsuffixed(Cow<'static, str>),
    ConstantBool(bool),
    ConstantVec(Vec<Constant>),
    ConstantTuple(Vec<Constant>),
}

/// simple constant folding
pub fn constant(cx: &Context, e: &Expr) -> Option<Constant> {
    match e {
        &ExprParen(ref inner) => constant(cx, inner),
        &ExprPath(_, _) => fetch_path(cx, e),
        &ExprBlock(ref block) => constant_block(cx, inner),
        &ExprIf(ref cond, ref then, ref otherwise) => 
            match constant(cx, cond) {
                Some(ConstantBool(true)) => constant(cx, then),
                Some(ConstantBool(false)) => constant(cx, otherwise),
                _ => None,
{'fraction_non_alphanumeric': 0.1537427162707306, 'fraction_numerical': 0.003585835948005379, 'mean_word_length': 3.5925925925925926, 'pattern_counts': {'":': 0, '<': 17, '<?xml version=': 0, '>': 33, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '7096639', 'n_tokens_mistral': 715, 'n_tokens_neox': 706, 'n_words': 157}