From ec110dca07d23fc99c3d34f884ac30d4bdb028a0 Mon Sep 17 00:00:00 2001
From: Ivan Bondarev <ibond84@googlemail.com>
Date: Sun, 12 Dec 2021 13:49:48 +0100
Subject: [PATCH] fix pascalabcnet/pascalabcnetide#65

---
 CodeCompletion/SymTable.cs                  |  2 +-
 TestSuite/intellisense_tests/generics26.pas | 17 +++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 TestSuite/intellisense_tests/generics26.pas

diff --git a/CodeCompletion/SymTable.cs b/CodeCompletion/SymTable.cs
index 0da4bb374..7e83e3a12 100644
--- a/CodeCompletion/SymTable.cs
+++ b/CodeCompletion/SymTable.cs
@@ -2327,7 +2327,7 @@ namespace CodeCompletion
                     ElementScope inst_param = null;
                     if ((parameter.sc as TypeScope).IsGeneric)
                         inst_param = new ElementScope(new SymInfo(parameter.si.name, parameter.si.kind, parameter.si.description), (parameter.sc as TypeScope).GetInstance(gen_args), parameter.topScope);
-                    else if (parameter.param_kind == parametr_kind.params_parametr && (parameter.sc as TypeScope).IsArray && (parameter.sc as TypeScope).GetElementType().IsGenericParameter && gen_args[i - 1].IsArray)
+                    else if (parameter.param_kind == parametr_kind.params_parametr && (parameter.sc as TypeScope).IsArray && (parameter.sc as TypeScope).GetElementType().IsGenericParameter && i - 1 < gen_args.Count && gen_args[i - 1].IsArray)
                     {
                         gen_args[i - 1] = gen_args[i - 1].GetElementType();
                         inst_param = new ElementScope(new SymInfo(parameter.si.name, parameter.si.kind, parameter.si.description), (parameter.sc as TypeScope).GetInstance(gen_args), parameter.topScope);
diff --git a/TestSuite/intellisense_tests/generics26.pas b/TestSuite/intellisense_tests/generics26.pas
new file mode 100644
index 000000000..d819b77d9
--- /dev/null
+++ b/TestSuite/intellisense_tests/generics26.pas
@@ -0,0 +1,17 @@
+begin
+  var x0{@var x0: array[,] of string;@} := Matr&<string>(1, 1, 'abc');
+ 
+  var x1{@var x1: sequence of string;@} := x0.ColSeq(0); // sequence of integer
+  var x2{@var x2: sequence of string;@} := x0.RowSeq(0); // sequence of integer
+  
+  var x3{@var x3: array of array of string;@} := x0.Cols(); // sequence of IEnumerable<char>
+  var x4{@var x4: array of array of string;@} := x0.Rows(); // sequence of IEnumerable<char>
+  
+  var x5{@var x5: sequence of string;@} := x0.ElementsByCol(); // sequence of string [правильно]
+  var x6{@var x6: sequence of string;@} := x0.ElementsByRow(); // sequence of string [правильно]
+  
+  var x8{@var x8: sequence of byte;@} := x0.OfType&<byte>();
+  
+  var x9{@var x9: array[,] of string;@} := x0.Println();
+  
+end.
\ No newline at end of file