From de7404b256c1a72bf01a70c3702627d972e90d7f Mon Sep 17 00:00:00 2001
From: Houcine EL ADDALI <eladdali.lahoucine@ine.inpt.ma>
Date: Sat, 27 Jan 2024 14:12:39 +0100
Subject: [PATCH] feat: array indexing parser

---
 internal/parser/data/test_data.go |  2 +-
 internal/parser/parser.go         | 13 ++++++-------
 internal/parser/parser_test.go    |  4 ++--
 3 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/internal/parser/data/test_data.go b/internal/parser/data/test_data.go
index 9741847..a1ad450 100644
--- a/internal/parser/data/test_data.go
+++ b/internal/parser/data/test_data.go
@@ -120,5 +120,5 @@ var (
 	}
 
 	Arrays     = "[1,12 - 8 ,7]"
-	ArrayIndex = "nums[7-4];"
+	ArrayIndex = "nums[7-4]"
 )
diff --git a/internal/parser/parser.go b/internal/parser/parser.go
index 8731c6d..9fcf506 100644
--- a/internal/parser/parser.go
+++ b/internal/parser/parser.go
@@ -88,7 +88,7 @@ func InitParser(l *lexer.Lexer) *Parser {
 		token.DECREMENT,
 		token.INCREMENT,
 	}, p.parsePostFixExpression)
-	p.addInfixFn(token.RB, p.parseIndexExp)
+	p.addInfixFn(token.LB, p.parseIndexExp)
 
 	return p
 }
@@ -484,9 +484,9 @@ func (p *Parser) parseAssignmentExpr(left *ast.Identifier) ast.Expression {
 
 func (p *Parser) parseArrayLit() ast.Expression {
 	exp := &ast.ArrayLiteral{
-		Token: p.currToken, 
+		Token: p.currToken,
 	}
-	fmt.Println("------- parse array --------> ", p.currToken)
+
 	exp.Values = p.parseExpressionList(token.CreateToken(token.RB, "]"))
 
 	return exp
@@ -497,20 +497,19 @@ func (p *Parser) parseExpressionList(t token.Token) []ast.Expression {
 
 	if p.peekTokenEquals(t.Type) {
 		p.Next()
-		return res  // an empty array
+		return res // an empty array
 	}
 
 	p.Next()
 	res = append(res, p.parseExpression(LOWEST))
-	fmt.Println("-------List exp--------> ", p.currToken)
+
 	for p.peekTokenEquals(token.COMMA) {
 		p.Next()
 		p.Next()
-		fmt.Println("-------List exp--------> ", p.currToken)
+
 		res = append(res, p.parseExpression(LOWEST))
 	}
 
-	fmt.Println("---------------> ", p.currToken)
 	if !p.expectedNextToken(t) {
 		return nil
 	}
diff --git a/internal/parser/parser_test.go b/internal/parser/parser_test.go
index 98ce6cf..b5a861c 100644
--- a/internal/parser/parser_test.go
+++ b/internal/parser/parser_test.go
@@ -416,7 +416,7 @@ func TestParseArraysLit(t *testing.T) {
 
 }
 
-/*func TestArrayIndexExp(t *testing.T) {
+func TestArrayIndexExp(t *testing.T) {
 	input := data.ArrayIndex
 
 	pr, parser := getProg(input)
@@ -441,7 +441,7 @@ func TestParseArraysLit(t *testing.T) {
 	if !testInfixExpression(t, arrIdx.Index, 7, 4, "-") {
 		return
 	}
-}*/
+}
 
 // Tests helper functions
 func checkIsProgramStmLengthValid(program *ast.Program, t *testing.T, length int) {