diff options
Diffstat (limited to 'lib/xixanta/src/node.rs')
| -rw-r--r-- | lib/xixanta/src/node.rs | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/lib/xixanta/src/node.rs b/lib/xixanta/src/node.rs index a28d625..c787394 100644 --- a/lib/xixanta/src/node.rs +++ b/lib/xixanta/src/node.rs @@ -82,6 +82,24 @@ impl PString { } } +/// The type of control function being used. Use this enum in order to detect +/// which control function was detected instead of the node value. +#[derive(Debug, Clone, PartialEq)] +pub enum ControlType { + Hibyte, + Lobyte, + StartMacro, + EndMacro, + StartProc, + EndProc, + StartScope, + EndScope, + Segment, + Byte, + Word, + Addr, +} + /// The PNode type. #[derive(Debug, Clone, PartialEq)] pub enum NodeType { @@ -106,10 +124,12 @@ pub enum NodeType { Assignment, /// A control statement (e.g. ".proc foo"). The `value` string contains the - /// name of the function, the `left` an optional identifier (e.g. the "foo" - /// on ".proc foo"), and the `args` contain any possible arguments that have - /// been passed to this control statement. - Control, + /// name of the function as it was provided (use the `ControlType` value of + /// the enum to detect which function was exactly provided), the `left` an + /// optional identifier (e.g. the "foo" on ".proc foo"), and the `args` + /// contain any possible arguments that have been passed to this control + /// statement. + Control(ControlType), /// A literal expression, that is, something that starts with '#', '%' or /// '$'. The `left` node contains the inner expression. @@ -130,7 +150,7 @@ impl fmt::Display for NodeType { NodeType::Instruction => write!(f, "instruction"), NodeType::Indirection => write!(f, "indirection"), NodeType::Assignment => write!(f, "assignment"), - NodeType::Control => write!(f, "control function"), + NodeType::Control(_) => write!(f, "control function"), NodeType::Literal => write!(f, "literal"), NodeType::Label => write!(f, "label"), NodeType::Call => write!(f, "call"), |