From e4e11a9e23790b0662dadd20e346924782e30ae0 Mon Sep 17 00:00:00 2001
From: tomsmeding <tom.smeding@gmail.com>
Date: Tue, 31 Jan 2017 22:26:15 +0100
Subject: Support parentheses in expressions

---
 nl/parentest.nl | 4 ++++
 parser.hs       | 9 ++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)
 create mode 100644 nl/parentest.nl

diff --git a/nl/parentest.nl b/nl/parentest.nl
new file mode 100644
index 0000000..3fe69e9
--- /dev/null
+++ b/nl/parentest.nl
@@ -0,0 +1,4 @@
+i32 main() {
+	1 + (2 + 3);
+	return 0;
+}
\ No newline at end of file
diff --git a/parser.hs b/parser.hs
index 211c044..1b103d4 100644
--- a/parser.hs
+++ b/parser.hs
@@ -102,7 +102,14 @@ pExpression :: Parser Expression
 pExpression = E.buildExpressionParser exprTable pExLit
 
 pExLit :: Parser Expression
-pExLit = exLit_ <$> pLiteral
+pExLit = (exLit_ <$> pLiteral) <|> pParenExpr
+
+pParenExpr :: Parser Expression
+pParenExpr = do
+    symbol "("
+    e <- pExpression
+    symbol ")"
+    return e
 
 pLiteral :: Parser Literal
 pLiteral = (LitInt <$> pInteger) <|> (LitInt <$> pCharStr) <|> (LitString <$> pString)
-- 
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