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Rename AST option flags.

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This commit is contained in:
Stephen Chung
2022-01-28 08:28:17 +08:00
parent 09d03d07ed
commit b9f2fdb635
6 changed files with 41 additions and 37 deletions
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23
src/ast/flags.rs
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@@ -13,8 +13,12 @@ pub enum FnAccess {
Private,
}
/// A type that holds a configuration option with bit-flags.
/// Exported under the `internals` feature only.
/// A type that holds a configuration option with bit-flags. Exported under the `internals` feature
/// only.
///
/// Functionality-wise, this type is a naive and simplistic implementation of
/// [`bit_flags`](https://crates.io/crates/bitflags). It is re-implemented to avoid pulling in yet
/// one more dependency.
#[derive(PartialEq, Eq, Copy, Clone, Hash, Default)]
pub struct OptionFlags(u8);
@@ -120,19 +124,20 @@ pub mod AST_OPTION_FLAGS {
/// _(internals)_ The [`AST`][crate::AST] node is constant.
/// Exported under the `internals` feature only.
pub const AST_OPTION_CONSTANT: OptionFlags = OptionFlags(0b0000_0001);
/// _(internals)_ The [`AST`][crate::AST] node is public.
/// _(internals)_ The [`AST`][crate::AST] node is exported to the outside (i.e. public).
/// Exported under the `internals` feature only.
pub const AST_OPTION_PUBLIC: OptionFlags = OptionFlags(0b0000_0010);
/// _(internals)_ The [`AST`][crate::AST] node is in negated mode.
pub const AST_OPTION_EXPORTED: OptionFlags = OptionFlags(0b0000_0010);
/// _(internals)_ The [`AST`][crate::AST] node is in negated mode
/// (meaning whatever information is the opposite).
/// Exported under the `internals` feature only.
pub const AST_OPTION_NEGATED: OptionFlags = OptionFlags(0b0000_0100);
/// _(internals)_ The [`AST`][crate::AST] node breaks out of normal control flow.
/// Exported under the `internals` feature only.
pub const AST_OPTION_BREAK_OUT: OptionFlags = OptionFlags(0b0000_1000);
pub const AST_OPTION_BREAK: OptionFlags = OptionFlags(0b0000_1000);
/// _(internals)_ Mask of all options.
/// Exported under the `internals` feature only.
pub(crate) const AST_OPTION_ALL: OptionFlags = OptionFlags(
AST_OPTION_CONSTANT.0 | AST_OPTION_PUBLIC.0 | AST_OPTION_NEGATED.0 | AST_OPTION_BREAK_OUT.0,
AST_OPTION_CONSTANT.0 | AST_OPTION_EXPORTED.0 | AST_OPTION_NEGATED.0 | AST_OPTION_BREAK.0,
);
impl std::fmt::Debug for OptionFlags {
@@ -158,9 +163,9 @@ pub mod AST_OPTION_FLAGS {
f.write_str("(")?;
write_option(self, f, num_flags, AST_OPTION_CONSTANT, "Constant")?;
write_option(self, f, num_flags, AST_OPTION_PUBLIC, "Public")?;
write_option(self, f, num_flags, AST_OPTION_EXPORTED, "Exported")?;
write_option(self, f, num_flags, AST_OPTION_NEGATED, "Negated")?;
write_option(self, f, num_flags, AST_OPTION_BREAK_OUT, "Break")?;
write_option(self, f, num_flags, AST_OPTION_BREAK, "Break")?;
f.write_str(")")?;
Ok(())