From 56b0a678adcaf6fe3bf68b4c6c85e369887d6ecc Mon Sep 17 00:00:00 2001
From: Felipe Zorzo <felipe.b.zorzo@gmail.com>
Date: Wed, 28 Feb 2024 20:43:20 -0300
Subject: [PATCH] fix: Fix lexer to correctly handle national character
 literals (#181)

---
 .../src/main/kotlin/org/sonar/plsqlopen/lexer/PlSqlLexer.kt     | 2 +-
 .../src/test/kotlin/org/sonar/plsqlopen/lexer/PlSqlLexerTest.kt | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/zpa-core/src/main/kotlin/org/sonar/plsqlopen/lexer/PlSqlLexer.kt b/zpa-core/src/main/kotlin/org/sonar/plsqlopen/lexer/PlSqlLexer.kt
index 42ee46c3..ba936120 100644
--- a/zpa-core/src/main/kotlin/org/sonar/plsqlopen/lexer/PlSqlLexer.kt
+++ b/zpa-core/src/main/kotlin/org/sonar/plsqlopen/lexer/PlSqlLexer.kt
@@ -44,7 +44,7 @@ object PlSqlLexer {
     private const val CUSTOM_DELIMITER_END = "\\1" // same as the start
 
     private val STRING_LITERAL = ("(?is)(?:"
-        + or("?:'(?:[^']|'')*+'", // simple text literal
+        + or("?:n?'(?:[^']|'')*+'", // simple text literal
         "n?q?'" + or("?:" + g("?:" + g(CUSTOM_DELIMITER_START) + ".*?(?:" + CUSTOM_DELIMITER_END + "')"),
             g("?:\\(.*?\\)'"),
             g("?:\\[.*?\\]'"),
diff --git a/zpa-core/src/test/kotlin/org/sonar/plsqlopen/lexer/PlSqlLexerTest.kt b/zpa-core/src/test/kotlin/org/sonar/plsqlopen/lexer/PlSqlLexerTest.kt
index 11319004..3fc38ba8 100644
--- a/zpa-core/src/test/kotlin/org/sonar/plsqlopen/lexer/PlSqlLexerTest.kt
+++ b/zpa-core/src/test/kotlin/org/sonar/plsqlopen/lexer/PlSqlLexerTest.kt
@@ -61,7 +61,7 @@ class PlSqlLexerTest {
 
     @Test
     fun simpleNationalCharsetStringLiteral() {
-        assertThatIsToken("n'Test'", PlSqlTokenType.STRING_LITERAL)
+        assertThatIsToken("n'Test string'", PlSqlTokenType.STRING_LITERAL)
     }
 
     @Test