From 105db26ee52763474f014f86655c4ebc3830f63c Mon Sep 17 00:00:00 2001
From: bnewbold <bnewbold@robocracy.org>
Date: Sun, 18 Dec 2016 13:17:45 -0800
Subject: higher-level modelica parsing AST structs

---
 modelica-parser-lalrpop/src/ast.rs | 50 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/modelica-parser-lalrpop/src/ast.rs b/modelica-parser-lalrpop/src/ast.rs
index 9a9f02d..2c55782 100644
--- a/modelica-parser-lalrpop/src/ast.rs
+++ b/modelica-parser-lalrpop/src/ast.rs
@@ -3,6 +3,56 @@ use std::clone::Clone;
 use std::fmt::{Debug, Formatter, Error};
 use std::collections::HashMap;
 
+// This represents a block of Modelica code.
+// A valid .mo file will be a sequence of these
+#[derive(Clone, PartialEq)]
+pub enum ModelicaCode {
+    Class,      // unimpl
+    Model(ModelicaModel),
+    Record,     // unimpl
+    Block(ModelicaBlock),
+    Connector(ModelicaConnector),
+    Type(ModelicaType),
+    Package(ModelicaPackage),
+    Function,   // unimpl
+}
+
+// A package is basically a namespace; they can be nested and contain any other
+// code chunks (models, etc).
+// They are optional; models don't need to live in a package to be valid.
+#[derive(Clone, PartialEq)]
+pub struct ModelicaPackage {
+    pub name: String,
+    pub description: Option<String>,
+    pub children: Vec<ModelicaCode>,
+}
+
+#[derive(Clone, PartialEq)]
+pub struct ModelicaType {
+    pub name: String,
+    pub description: Option<String>,
+    pub component: ComponentDeclaration,
+}
+
+#[derive(Clone, PartialEq)]
+pub struct ModelicaBlock {
+    pub name: String,
+    pub description: Option<String>,
+    pub component_clauses: Vec<ComponentClause>,
+    pub public_component_clauses: Option<Vec<ComponentClause>>,
+    pub protected_component_clauses: Option<Vec<ComponentClause>>,
+    pub equations: Vec<SimpleEquation>,
+    pub connections: Vec<Connection>,
+    pub extends: Vec<String>,
+}
+
+#[derive(Clone, PartialEq)]
+pub struct ModelicaConnector {
+    pub name: String,
+    pub description: Option<String>,
+    pub component_clauses: Vec<ComponentClause>,
+}
+
 #[derive(Clone, PartialEq)]
 pub struct ModelicaModel {
     pub name: String,
-- 
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