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/parser.lalrpop | 48 ++++++++++++++++++++++--------
 1 file changed, 35 insertions(+), 13 deletions(-)

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

diff --git a/modelica-parser-lalrpop/src/parser.lalrpop b/modelica-parser-lalrpop/src/parser.lalrpop
index b05ad76..442baca 100644
--- a/modelica-parser-lalrpop/src/parser.lalrpop
+++ b/modelica-parser-lalrpop/src/parser.lalrpop
@@ -1,8 +1,9 @@
 use std::str::FromStr;
 use std::collections::HashMap;
-use ast::{ModelicaCode, ModelicaPackage, ModelicaBlock, ModelicaConnector, ModelicaType, ModelicaModel, ComponentDeclaration,
+use ast::{ModelicaCode, ModelicaPackage, ModelicaBlock, ModelicaConnector,
+    ModelicaType, ModelicaModel, ComponentDeclaration, ModelicaRecord,
     ComponentClause, ComponentPrefix, Connection, SimpleEquation, Expr,
-    BinOperator, MathUnaryFunc};
+    BinOperator, MathUnaryFunc, collapse_components};
 
 // This is an incomplete, non-standards-compliant, minimum-viable parser
 // Based on the Modelica 3.3r1 Spec
@@ -16,7 +17,8 @@ grammar;
 
 pub identifier: String = {
     r"[a-zA-Z_][a-zA-Z_0-9]*" => <>.to_string(),
-    r"[a-zA-Z_][a-zA-Z_0-9]*\.[a-zA-Z_0-9]*" => <>.to_string(),
+    r"[a-zA-Z_][a-zA-Z_0-9]*\.[a-zA-Z_0-9]+" => <>.to_string(),
+    r"[a-zA-Z_][a-zA-Z_0-9]*\.[a-zA-Z_0-9]+\.[a-zA-Z_0-9]" => <>.to_string(),
 };
 
 string_literal: String = {
@@ -39,13 +41,13 @@ pub boolean: bool = {
 // Grammar
 
 pub file: Vec<ModelicaCode> = {
-    <chunks:modelica_code+> => chunks,
+    within_clause? <chunks:modelica_code+> => chunks,
 };
 
 pub modelica_code: ModelicaCode = {
     model =>            ModelicaCode::Model(<>),
     // TODO: class
-    // TODO: record
+    record =>           ModelicaCode::Record(<>),
     block =>            ModelicaCode::Block(<>),
     connector =>        ModelicaCode::Connector(<>),
     type_declaration => ModelicaCode::Type(<>),
@@ -55,6 +57,7 @@ pub modelica_code: ModelicaCode = {
 
 pub package: ModelicaPackage = {
     "package" <n:identifier> <desc:string_literal?>
+            extends_clause*
             <children:modelica_code*>
             "end" identifier ";" =>
         ModelicaPackage {
@@ -71,7 +74,17 @@ pub connector: ModelicaConnector = {
         ModelicaConnector {
             name:n,
             description:desc,
-            component_clauses:cpc, },
+            components: { collapse_components(&cpc) } },
+};
+
+pub record: ModelicaRecord = {
+    "record" <n:identifier> <desc:string_literal?>
+            <cpc:component_clause*>
+            "end" identifier ";" =>
+        ModelicaRecord {
+            name:n,
+            description:desc,
+            components: { collapse_components(&cpc) } },
 };
 
 type_declaration: ModelicaType = {
@@ -85,6 +98,7 @@ type_declaration: ModelicaType = {
 
 pub block: ModelicaBlock = {
     "block" <n:identifier> <desc:string_literal?>
+            extends_clause*
             <cpc:component_clause*>
             <public:("public" <component_clause*>)?>
             <protected:("protected" <component_clause*>)?>
@@ -95,16 +109,16 @@ pub block: ModelicaBlock = {
         ModelicaBlock {
             name:n,
             description:desc,
-            component_clauses:cpc,
-            public_component_clauses: { public.unwrap_or(vec![]) },
-            protected_component_clauses: { protected.unwrap_or(vec![]) },
+            components: { collapse_components(&cpc) },
+            public_components: { collapse_components(&public.unwrap_or(vec![])) },
+            protected_components: { collapse_components(&protected.unwrap_or(vec![])) },
             connections:cc,
-            equations:se,
-            extends:vec![] },
+            equations:se },
 };
 
 pub model: ModelicaModel = {
     "partial"? "model" <n:identifier> <desc:string_literal?>
+            extends_clause*
             <cpc:component_clause*>
             connector*
             "equation"
@@ -114,10 +128,18 @@ pub model: ModelicaModel = {
         ModelicaModel {
             name:n,
             description:desc,
-            component_clauses:cpc,
+            components: { collapse_components(&cpc) },
             connections:cc,
             equations:se,
-            extends:vec![] },
+            },
+};
+
+extends_clause: String = {
+    "extends" <identifier> ";" => <>,
+};
+
+within_clause: String = {
+    "within" <identifier> ";" => <>,
 };
 
 component_clause: ComponentClause = {
-- 
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