c3 0.11.2

Complete C AST. Enables analysis and generation of code derived from C. Built using LLVM 4/Clang using some fragile C++ APIs to work around missing data and ambiguities in libclang.
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use crate::expr::*;
use crate::ty::*;

impl Loc {
    #[must_use] pub fn dummy() -> Self {
        Self {
            byte_pos: 0,
            byte_len: 0,
            start_line: 0,
            start_col: 0,
            line_len: 0,
        }
    }
}

impl Kind {
    #[must_use] pub fn int(n: u64) -> Self {
        Kind::IntegerLiteral(n, None)
    }

    pub fn declref<S: Into<String>>(name: S) -> Self {
        Kind::DeclRef(name.into())
    }

    pub fn paren<E: Into<Box<Expr>>>(expr: E) -> Self {
        Kind::Paren(expr.into())
    }
}

impl VarDecl {
    pub fn new<S: Into<String>>(name: S, init: Option<Box<Expr>>, ty: Option<Ty>) -> Self {
        Self {
            name: name.into(),
            ty,
            init,
            storage: Storage::None,
        }
    }
}

impl UnOpKind {
    pub fn new<E: Into<Box<Expr>>>(self, arg: E) -> UnaryOperator {
        UnaryOperator::new(self, arg)
    }
}

impl UnaryOperator {
    pub fn new<E: Into<Box<Expr>>>(kind: UnOpKind, arg: E) -> Self {
        Self {
            kind,
            arg: arg.into(),
        }
    }
}

impl BinOpKind {
    pub fn new<E: Into<Box<Expr>>, E2: Into<Box<Expr>>>(self, left: E, right: E2) -> BinaryOperator {
        BinaryOperator::new(self, left, right)
    }
}

impl BinaryOperator {
    pub fn new<E: Into<Box<Expr>>, E2: Into<Box<Expr>>>(kind: BinOpKind, left: E, right: E2) ->  Self {
        Self {
            kind,
            left: left.into(),
            right: right.into(),
        }
    }
}

#[test]
fn binop_type() {
    let n = Expr{loc:Loc::dummy(), kind:Kind::int(1)};
    let b = Kind::BinaryOperator(BinOpKind::Or.new(n.clone(), n));
    match b.ty() {
        Some(&Ty{kind: TyKind::Bool,..}) => {},
        _ => panic!(),
    };
}