Function compile_integer_exprs

core/src/compiler/exprs.rs:30–46

Compiles `exprs` into consecutive integer registers allocated from `scope` and returns the first register. The caller must guarantee that `exprs` is non-empty.

(
    codegen: &mut Codegen,
    symtable: &mut TempSymtable<'_, '_>,
    scope: &mut TempScope,
    pos: LineCol,
    exprs: impl Iterator<Item = Expr>,
)

/// Compiles `exprs` into consecutive integer registers allocated from `scope` and returns the
/// first register.  The caller must guarantee that `exprs` is non-empty.
pub(super) fn compile_integer_exprs(
    codegen: &mut Codegen,
    symtable: &mut TempSymtable<'_, '_>,
    scope: &mut TempScope,
    pos: LineCol,
    exprs: impl Iterator<Item = Expr>,
) -> Result<Register> {
    let mut first_reg = None;
    for expr in exprs {
        let reg = scope.alloc().map_err(|e| Error::from_syms(e, pos))?;
        if first_reg.is_none() {
            first_reg = Some(reg);
        }
        compile_expr_as_type(codegen, symtable, reg, expr, ExprType::Integer)?;
    }
    Ok(first_reg.expect("Must have at least one expression"))
}

/// Compiles an array element access expression into `reg`.
fn compile_array_access(