From d60554fce09f8be1bb4d96a83db49577dfbf550d Mon Sep 17 00:00:00 2001
From: bnewbold <bnewbold@robocracy.org>
Date: Mon, 19 Dec 2016 00:47:20 -0800
Subject: parser: more progress

---
 modelica-parser-lalrpop/src/ast.rs | 70 +++++++++++++++++++-------------------
 1 file changed, 35 insertions(+), 35 deletions(-)

(limited to 'modelica-parser-lalrpop/src/ast.rs')

diff --git a/modelica-parser-lalrpop/src/ast.rs b/modelica-parser-lalrpop/src/ast.rs
index e367b10..52e91b8 100644
--- a/modelica-parser-lalrpop/src/ast.rs
+++ b/modelica-parser-lalrpop/src/ast.rs
@@ -9,7 +9,7 @@ use std::collections::HashMap;
 pub enum ModelicaCode {
     Class,      // unimpl; generic
     Model(ModelicaModel),
-    Record,     // unimpl
+    Record(ModelicaRecord),
     Block(ModelicaBlock),
     Connector(ModelicaConnector),
     Type(ModelicaType),
@@ -38,29 +38,34 @@ pub struct ModelicaType {
 pub struct ModelicaBlock {
     pub name: String,
     pub description: Option<String>,
-    pub component_clauses: Vec<ComponentClause>,
-    pub public_component_clauses: Vec<ComponentClause>,
-    pub protected_component_clauses: Vec<ComponentClause>,
+    pub components: Vec<Component>,
+    pub public_components: Vec<Component>,
+    pub protected_components: Vec<Component>,
     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>,
+    pub components: Vec<Component>,
+}
+
+#[derive(Clone, PartialEq)]
+pub struct ModelicaRecord {
+    pub name: String,
+    pub description: Option<String>,
+    pub components: Vec<Component>,
 }
 
 #[derive(Clone, PartialEq)]
 pub struct ModelicaModel {
     pub name: String,
     pub description: Option<String>,
-    pub component_clauses: Vec<ComponentClause>,
+    pub components: Vec<Component>,
     pub equations: Vec<SimpleEquation>,
     pub connections: Vec<Connection>,
-    pub extends: Vec<String>,
 }
 
 #[derive(Copy, Clone, PartialEq)]
@@ -158,32 +163,31 @@ pub enum BinOperator {
 
 //// Helpers
 
-impl ModelicaModel {
-
-    // This flattens the ComponentClause/ComponentDeclaration tree into a flat
-    // list of Components
-    // TODO: refactor this into an iterator `components()`?
-    pub fn get_components(&self) -> Vec<Component> {
-
-        let mut vars: Vec<Component> = vec![];
-        for clause in &self.component_clauses {
-            vars.extend(clause.declarations.iter().map(|ref dec|
-                Component {
-                    prefix: clause.prefix.clone(),
-                    specifier: clause.specifier.clone(),
-                    name: dec.name.clone(),
-                    value: dec.value.clone(),
-                    mods: dec.mods.clone(),
-                    description: dec.description.clone(),
-            }))
-        }
-        vars
+// This flattens the ComponentClause/ComponentDeclaration tree into a flat
+// list of Components
+pub fn collapse_components(clauses: &Vec<ComponentClause>) -> Vec<Component> {
+
+    let mut vars: Vec<Component> = vec![];
+    for clause in clauses {
+        vars.extend(clause.declarations.iter().map(|ref dec|
+            Component {
+                prefix: clause.prefix.clone(),
+                specifier: clause.specifier.clone(),
+                name: dec.name.clone(),
+                value: dec.value.clone(),
+                mods: dec.mods.clone(),
+                description: dec.description.clone(),
+        }))
     }
+    vars
+}
+
+impl ModelicaModel {
 
     pub fn get_constant_vars(&self) -> HashMap<String,Option<Expr>> {
         let mut binds = HashMap::new();
         // XXX: actually implement this...
-        for c in &self.get_components() {
+        for c in &self.components {
             match c.prefix {
                 Some(ComponentPrefix::Constant) => { binds.insert(c.name.clone(), Some(Expr::Integer(123))); },
                 Some(ComponentPrefix::Parameter) => { binds.insert(c.name.clone(), Some(Expr::Float(4.56))); },
@@ -199,8 +203,7 @@ impl ModelicaModel {
     //   if a var is on LHS and RHS of same equation
     pub fn get_free_vars(&self) -> Vec<String> {
         // Start with components, and remove constants and parameters
-        let components = self.get_components();
-        let vars = components.iter().filter(|v| match v.prefix {
+        let vars = self.components.iter().filter(|v| match v.prefix {
                 Some(ComponentPrefix::Constant) | Some(ComponentPrefix::Parameter) => false,
                 _ => true,
             });
@@ -278,10 +281,7 @@ impl SimpleEquation {
 impl Debug for ModelicaModel {
     fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error> {
         try!(write!(fmt, "model {}\n", self.name));
-        for e in self.extends.iter() {
-            try!(write!(fmt, "  extends {};\n", e));
-        }
-        for v in self.get_components().iter() {
+        for v in self.components.iter() {
             try!(write!(fmt, "  {:?};\n", v));
         }
         try!(write!(fmt, "equation\n"));
-- 
cgit v1.2.3