21 lines
863 B
Rust
21 lines
863 B
Rust
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// © 2023 John Breaux
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/// TODO: tree traversal and label resolution
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use crate::parser::preamble::*;
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pub trait Visitor<T> {
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// visit_node for all nodes
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fn visit_register(&mut self, r: &Register) -> T;
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fn visit_number(&mut self, n: &Number) -> T;
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fn visit_width(&mut self, w: &Width) -> T;
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fn visit_primary_operand(&mut self, p: &PrimaryOperand) -> T;
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fn visit_secondary_operand(&mut self, d: &SecondaryOperand) -> T;
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fn visit_jump_target(&mut self, t: &JumpTarget) -> T;
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fn visit_encoding(&mut self, e: &Encoding) -> T;
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fn visit_opcode(&mut self, o: &Opcode) -> T;
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fn visit_instruction(&mut self, i: &Instruction) -> T;
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fn visit_directive(&mut self, d: &Directive) -> T;
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// the most important one: resolve identifiers
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fn visit_identifier(&mut self, i: &Identifier) -> T;
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}
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/// TODO: [Linker]
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pub struct Linker;
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