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Start work on handling node supertypes

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This commit is contained in:
Max Brunsfeld 2019-03-08 06:20:07 -05:00
parent 445dfda53e
commit b79bd8693b
13 changed files with 513 additions and 280 deletions
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10
cli/src/generate/tables.rs
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@ -1,6 +1,6 @@
use super::nfa::CharacterSet;
use super::rules::{Alias, Associativity, Symbol};
use hashbrown::{HashMap, HashSet};
use hashbrown::HashMap;
use std::collections::BTreeMap;
pub(crate) type ProductionInfoId = usize;
@ -52,7 +52,7 @@ pub(crate) struct ProductionInfo {
pub field_map: BTreeMap<String, Vec<FieldLocation>>,
}
#[derive(Clone, Debug, PartialEq, Eq, Hash)]
#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub(crate) enum ChildType {
Normal(Symbol),
Aliased(Alias),
@ -62,13 +62,15 @@ pub(crate) enum ChildType {
pub(crate) struct FieldInfo {
pub required: bool,
pub multiple: bool,
pub types: HashSet<ChildType>,
pub types: Vec<ChildType>,
}
#[derive(Debug, Default, PartialEq, Eq)]
pub(crate) struct VariableInfo {
pub fields: HashMap<String, FieldInfo>,
pub child_types: HashSet<ChildType>,
pub subclasses: Vec<Symbol>,
pub child_types: Vec<ChildType>,
pub has_multi_step_production: bool,
}
#[derive(Debug, PartialEq, Eq)]