From c564b5c4c0efc541886648ba97d69a4ad25d7464 Mon Sep 17 00:00:00 2001
From: bnewbold <bnewbold@robocracy.org>
Date: Sun, 18 Dec 2016 11:27:27 -0800
Subject: parser: support for math functions (sin, exp, log, etc)

---
 modelica-parser-lalrpop/src/parser.lalrpop | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 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 8df904e..2c64889 100644
--- a/modelica-parser-lalrpop/src/parser.lalrpop
+++ b/modelica-parser-lalrpop/src/parser.lalrpop
@@ -1,6 +1,6 @@
 use std::str::FromStr;
 use ast::{ModelicaModel, ComponentDeclaration, ComponentClause, ComponentPrefix, Connection,
-    SimpleEquation, Expr, BinOperator};
+    SimpleEquation, Expr, BinOperator, MathUnaryFunc};
 
 // This is an incomplete, non-standards-compliant, minimum-viable parser
 // Based on the Modelica 3.3r1 Spec
@@ -104,8 +104,21 @@ term: Expr = {
     integer => Expr::Integer(<>),
     float => Expr::Float(<>),
     identifier => Expr::Ident(<>),
-    "der" "(" <e:expr> ")" => Expr::Der(Box::new(e)),
-    "abs" "(" <e:expr> ")" => Expr::Abs(Box::new(e)),
+    "der"   "(" <e:expr> ")" => Expr::Der(Box::new(e)),
+    "abs"   "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Abs, Box::new(e)),
+    "sqrt"  "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Sqrt, Box::new(e)),
+    "sin"   "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Sin, Box::new(e)),
+    "cos"   "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Cos, Box::new(e)),
+    "tan"   "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Tan, Box::new(e)),
+    "asin"  "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Asin, Box::new(e)),
+    "acos"  "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Acos, Box::new(e)),
+    "atan"  "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Atan, Box::new(e)),
+    "sinh"  "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Sinh, Box::new(e)),
+    "cosh"  "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Cosh, Box::new(e)),
+    "tanh"  "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Tanh, Box::new(e)),
+    "exp"   "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Exp, Box::new(e)),
+    "log"   "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Log, Box::new(e)),
+    "log10" "(" <e:expr> ")" => Expr::MathUnaryExpr(MathUnaryFunc::Log10, Box::new(e)),
     "(" <e:expr> ")" => e,
 };
 
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