From fc0e67f5d7d092e5b37d103d2d106733228ddf89 Mon Sep 17 00:00:00 2001
From: bnewbold <bnewbold@robocracy.org>
Date: Sun, 18 Dec 2016 14:15:18 -0800
Subject: parser: booleans and arrays

---
 modelica-parser-lalrpop/src/ast.rs         | 21 ++++++++++++++++++++-
 modelica-parser-lalrpop/src/parser.lalrpop |  6 ++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/modelica-parser-lalrpop/src/ast.rs b/modelica-parser-lalrpop/src/ast.rs
index 3b31072..addb90f 100644
--- a/modelica-parser-lalrpop/src/ast.rs
+++ b/modelica-parser-lalrpop/src/ast.rs
@@ -85,6 +85,7 @@ pub struct ComponentClause {
 #[derive(Clone, PartialEq)]
 pub struct ComponentDeclaration {
     pub name: String,
+    pub dimensions: Option<Vec<i64>>,
     pub value: Option<Expr>,
     pub quantity: Option<String>,
     pub units: Option<String>,
@@ -118,11 +119,13 @@ pub struct SimpleEquation {
 pub enum Expr {
     Integer(i64),
     Float(f64),
+    Boolean(bool),
     Ident(String),
     Der(Box<Expr>),
     Sign(Box<Expr>),
     MathUnaryExpr(MathUnaryFunc, Box<Expr>),
     BinExpr(BinOperator, Box<Expr>, Box<Expr>),
+    Array(Vec<Expr>),
 }
 
 #[derive(Copy, Clone, PartialEq)]
@@ -234,13 +237,20 @@ impl Expr {
     pub fn identifiers(&self) -> Vec<String> {
         use self::Expr::*;
         match *self {
-            Integer(_) | Float(_) => vec![],
+            Integer(_) | Float(_) | Boolean(_) => vec![],
             Ident(ref s) => vec![s.clone()],
             Der(ref e) | Sign(ref e) => e.identifiers(),
             MathUnaryExpr(_, ref e) => e.identifiers(),
             BinExpr(_, ref e1, ref e2) => {
                 union_strings(&e1.identifiers(), &e2.identifiers())
             },
+            Array(ref el) => {
+                let mut all: Vec<String> = vec![];
+                for e in el {
+                    all.append(&mut e.identifiers());
+                }
+                all
+            }
         }
     }
 
@@ -331,11 +341,20 @@ impl Debug for Expr {
         match *self {
             Integer(e) => write!(fmt, "{}", e),
             Float(e) => write!(fmt, "{}", e),
+            Boolean(e) => write!(fmt, "{}", e),
             Ident(ref e) => write!(fmt, "{}", e),
             Der(ref e) => write!(fmt, "der({:?})", e),
             Sign(ref e) => write!(fmt, "sign({:?})", e),
             MathUnaryExpr(func, ref e) => write!(fmt, "{:?}({:?})", func, e),
             BinExpr(op, ref l, ref r) => write!(fmt, "({:?} {:?} {:?})", l, op, r),
+            Array(ref el) => {
+                try!(write!(fmt, "["));
+                for e in el {
+                    // XXX: not last comma
+                    try!(write!(fmt, "{:?},", e));
+                }
+                write!(fmt, "]")
+            },
         }
     }
 }
diff --git a/modelica-parser-lalrpop/src/parser.lalrpop b/modelica-parser-lalrpop/src/parser.lalrpop
index a2c5d44..36aa07d 100644
--- a/modelica-parser-lalrpop/src/parser.lalrpop
+++ b/modelica-parser-lalrpop/src/parser.lalrpop
@@ -102,6 +102,7 @@ factor: Expr = {
 
 term: Expr = {
     integer => Expr::Integer(<>),
+    boolean => Expr::Boolean(<>),
     float => Expr::Float(<>),
     identifier => Expr::Ident(<>),
     "der"   "(" <e:expr> ")" => Expr::Der(Box::new(e)),
@@ -120,5 +121,10 @@ term: Expr = {
     "log"   "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Log, Box::new(e)),
     "log10" "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Log10, Box::new(e)),
     "(" <e:expr> ")" => e,
+    // Obviously a hack here, only supporting up to 4 elements in an array
+    "[" <e:expr> "]" => Expr::Array(vec![e]),
+    "[" <e1:expr> "," <e2:expr> "]" => Expr::Array(vec![e1, e2]),
+    "[" <e1:expr> "," <e2:expr> "," <e3:expr> "]" => Expr::Array(vec![e1, e2, e3]),
+    "[" <e1:expr> "," <e2:expr> "," <e3:expr> "," <e4:expr> "]" => Expr::Array(vec![e1, e2, e3, e4]),
 };
 
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