From 3f7891dec692eb2f319f437adee972d2f4e5bf7b Mon Sep 17 00:00:00 2001
From: StunxFS <mendozadiazjose77@gmail.com>
Date: Tue, 24 Dec 2024 14:56:59 -0400
Subject: [PATCH] parse `(expr)`

---
 Makefile                | 3 +++
 compiler/ast/Expr.v     | 7 +++++++
 compiler/parser/expr.v  | 6 ++++++
 tests/valid/let_stmt.ri | 2 +-
 4 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index c3f98a21..e5fcf80f 100644
--- a/Makefile
+++ b/Makefile
@@ -7,3 +7,6 @@ build:
 test: build
 	v test compiler
 	v tests/run_tests.vsh
+
+fmt:
+	v fmt -w .
diff --git a/compiler/ast/Expr.v b/compiler/ast/Expr.v
index b24c5c0a..34c68bf4 100644
--- a/compiler/ast/Expr.v
+++ b/compiler/ast/Expr.v
@@ -4,6 +4,7 @@
 module ast
 
 pub type Expr = EmptyExpr
+	| ParenExpr
 	| Ident
 	| CharLiteral
 	| IntegerLiteral
@@ -23,6 +24,12 @@ pub:
 
 pub const empty_expr = Expr(EmptyExpr{})
 
+pub struct ParenExpr {
+pub:
+	expr Expr
+	pos  FilePos
+}
+
 pub struct Ident {
 pub:
 	name  string
diff --git a/compiler/parser/expr.v b/compiler/parser/expr.v
index b3b55896..8bac2979 100644
--- a/compiler/parser/expr.v
+++ b/compiler/parser/expr.v
@@ -201,6 +201,12 @@ fn (mut p Parser) parse_primary_expr() ast.Expr {
 				expr = p.parse_ident_expr()
 			}
 		}
+		.lparen {
+			pos := p.tok.pos
+			p.next()
+			expr = ast.ParenExpr{p.parse_expr(), pos + p.tok.pos}
+			p.expect(.rparen)
+		}
 		.kw_if {
 			expr = p.parse_if_expr()
 		}
diff --git a/tests/valid/let_stmt.ri b/tests/valid/let_stmt.ri
index af76a2cd..d4d3c9f7 100644
--- a/tests/valid/let_stmt.ri
+++ b/tests/valid/let_stmt.ri
@@ -6,7 +6,7 @@ let x = 1;
 
 fn main() {
     let y = 1;
-    let abc, def = 1;
+    let abc, def = (11 + 15) / 99;
 
     fn inside() {
         let inside_var = false;