Fixed AS3 - line numbering on pushback string on regexp

CHANGELOG.md

@@ -15,6 +15,7 @@ All notable changes to this project will be documented in this file.
 - AS3 - local registers type declarations vs for..in clause
 - [#1888] AS3 - Coerce to int when Number
 - AS3 - super properties resolving
+- AS3 - line numbering on pushback string on regexp
 
 ## [18.3.2] - 2023-01-10
 ### Removed

libsrc/ffdec_lib/lexers/actionscript3_script.flex

@@ -45,9 +45,12 @@ import java.math.BigInteger;
 
     public void yypushbackstr(String s, int state)
     {
+        int numLines = count(s, "\n");
+        int newYyline = yyline - numLines;
         sourceCode = s + sourceCode.substring(yychar + yylength());
         yyreset(new StringReader(sourceCode));
         yybegin(state);
+        yyline = newYyline;
     }
 
     public void yypushbackstr(String s)

libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/script/ActionScriptLexer.java

@@ -19,10 +19,10 @@
 package com.jpexs.decompiler.flash.abc.avm2.parser.script;
 import com.jpexs.decompiler.flash.abc.avm2.parser.AVM2ParseException;
 import java.io.StringReader;
-import java.math.BigInteger;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Stack;
+import java.math.BigInteger;
 
 
 /**
@@ -938,9 +938,12 @@ public final class ActionScriptLexer {
 
     public void yypushbackstr(String s, int state)
     {
+        int numLines = count(s, "\n");
+        int newYyline = yyline - numLines;
         sourceCode = s + sourceCode.substring(yychar + yylength());
         yyreset(new StringReader(sourceCode));
         yybegin(state);
+        yyline = newYyline;
     }
 
     public void yypushbackstr(String s)