no space is required after #include

Author: SatyaRanjanDas-tomtom

cppparser/src/parser.l

@@ -846,7 +846,7 @@ This context starts after #if, #elif, and #pragma to capture everyting till a ne
   RETURN(tknUndef);
 }
 
-<ctxPreprocessor>include/{WS} {
+<ctxPreprocessor>include/{TS} {
   LOG();
   ENDCONTEXT();
   setupToken();

cppparser/test/CMakeLists.txt

@@ -37,6 +37,7 @@ set(TEST_SNIPPET_EMBEDDED_TESTS
 	${CMAKE_CURRENT_LIST_DIR}/unit/expr-test.cpp
 	${CMAKE_CURRENT_LIST_DIR}/unit/initializer-list-test.cpp
 	${CMAKE_CURRENT_LIST_DIR}/unit/namespace-test.cpp
+	${CMAKE_CURRENT_LIST_DIR}/unit/preprocessor-test.cpp
 	${CMAKE_CURRENT_LIST_DIR}/unit/template-test.cpp
 	${CMAKE_CURRENT_LIST_DIR}/unit/uniform-init-test.cpp
 	${CMAKE_CURRENT_LIST_DIR}/unit/vardecl-test.cpp

cppparser/test/unit/preprocessor-test.cpp

@@ -0,0 +1,40 @@
+// Copyright (C) 2022 Satya Das and CppParser contributors
+// SPDX-License-Identifier: MIT
+
+#include <catch/catch.hpp>
+
+#include "cppparser/cppparser.h"
+
+#include "embedded-snippet-test-base.h"
+
+#include <string>
+
+class ProprocessorTest : public EmbeddedSnippetTestBase
+{
+protected:
+  ProprocessorTest()
+    : EmbeddedSnippetTestBase(__FILE__)
+  {
+  }
+};
+
+TEST_CASE_METHOD(ProprocessorTest, "include<iostream>", "[preprocessor]")
+{
+  // clang-format off
+#if TEST_CASE_SNIPPET_STARTS_FROM_NEXT_LINE
+#  if EVADE_COMPILER
+#    include<iostream>
+#  endif
+#endif
+  // clang-format on
+  auto testSnippet = getTestSnippetParseStream(__LINE__ - 3);
+
+  cppparser::CppParser parser;
+  const auto           ast = parser.parseStream(testSnippet.data(), testSnippet.size());
+  REQUIRE(ast != nullptr);
+
+  const auto members     = GetAllOwnedEntities(*ast);
+  const auto hashInclude = cppast::CppConstPreprocessorIncludeEPtr(members[1]);
+  REQUIRE(hashInclude);
+  CHECK(hashInclude->name() == "<iostream>");
+}