From d7847dbcfd7df97a7b74c90b3eff88b278cf178c Mon Sep 17 00:00:00 2001
From: Masaaki Goshima <goccy54@gmail.com>
Date: Fri, 15 Nov 2024 09:29:57 +0900
Subject: [PATCH] fix parsing of tab character in double-quote (#538)

---
 lexer/lexer_test.go | 12 ++++++++++++
 scanner/scanner.go  |  4 ++++
 2 files changed, 16 insertions(+)

diff --git a/lexer/lexer_test.go b/lexer/lexer_test.go
index 7b678c4b..b7950415 100644
--- a/lexer/lexer_test.go
+++ b/lexer/lexer_test.go
@@ -38,6 +38,18 @@ func TestTokenize(t *testing.T) {
 				},
 			},
 		},
+		{
+			YAML: `"hello\tworld"`,
+			Tokens: token.Tokens{
+				{
+					Type:          token.DoubleQuoteType,
+					CharacterType: token.CharacterTypeIndicator,
+					Indicator:     token.QuotedScalarIndicator,
+					Value:         "hello\tworld",
+					Origin:        `"hello\tworld"`,
+				},
+			},
+		},
 		{
 			YAML: `0x_1A_2B_3C`,
 			Tokens: token.Tokens{
diff --git a/scanner/scanner.go b/scanner/scanner.go
index fbddf7d2..366d18e1 100644
--- a/scanner/scanner.go
+++ b/scanner/scanner.go
@@ -345,6 +345,10 @@ func (s *Scanner) scanDoubleQuote(ctx *Context) (*token.Token, error) {
 				progress = 1
 				ctx.addOriginBuf(nextChar)
 				value = append(value, '\r')
+			case 't':
+				progress = 1
+				ctx.addOriginBuf(nextChar)
+				value = append(value, '\t')
 			case 'v':
 				progress = 1
 				ctx.addOriginBuf(nextChar)