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Add initial draft of symtable module.

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Windel Bouwman 2019-07-16 22:04:38 +02:00
parent 69c4d0b240
commit de2e496e1f
2 changed files with 3 additions and 2 deletions
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2
src/lib.rs
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@ -8,4 +8,4 @@ extern crate log;
pub mod compile; pub mod compile;
pub mod error; pub mod error;
mod symboltable; pub mod symboltable;

3
src/symboltable.rs
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@ -36,7 +36,7 @@ pub fn statements_to_symbol_table(
Ok(symbol_table) Ok(symbol_table)
} }
#[derive(Debug)] #[derive(Debug, Clone)]
pub enum SymbolRole { pub enum SymbolRole {
Global, Global,
Nonlocal, Nonlocal,
@ -45,6 +45,7 @@ pub enum SymbolRole {
} }
/// Captures all symbols in the current scope, and has a list of subscopes in this scope. /// Captures all symbols in the current scope, and has a list of subscopes in this scope.
#[derive(Clone)]
pub struct SymbolScope { pub struct SymbolScope {
/// A set of symbols present on this scope level. /// A set of symbols present on this scope level.
pub symbols: HashMap<String, SymbolRole>, pub symbols: HashMap<String, SymbolRole>,