From 5f3597927266a0b40172ba73c583fb0da5d3404e Mon Sep 17 00:00:00 2001
From: Alexander Karatarakis <alkarata@microsoft.com>
Date: Tue, 21 Mar 2017 20:53:26 -0700
Subject: [PATCH] [antlr4] Fix building with Visual Studio 2017. Resolves #804

---
 ports/antlr4/CONTROL                          |  2 +-
 .../Fix-building-in-Visual-Studio-2017.patch  | 52 +++++++++++++++++++
 ports/antlr4/portfile.cmake                   |  7 ++-
 3 files changed, 58 insertions(+), 3 deletions(-)
 create mode 100644 ports/antlr4/Fix-building-in-Visual-Studio-2017.patch

diff --git a/ports/antlr4/CONTROL b/ports/antlr4/CONTROL
index dbcf5219c..03877e495 100644
--- a/ports/antlr4/CONTROL
+++ b/ports/antlr4/CONTROL
@@ -1,3 +1,3 @@
 Source: antlr4
-Version: 4.6
+Version: 4.6-1
 Description: ANother Tool for Language Recognition
\ No newline at end of file
diff --git a/ports/antlr4/Fix-building-in-Visual-Studio-2017.patch b/ports/antlr4/Fix-building-in-Visual-Studio-2017.patch
new file mode 100644
index 000000000..64e483599
--- /dev/null
+++ b/ports/antlr4/Fix-building-in-Visual-Studio-2017.patch
@@ -0,0 +1,52 @@
+diff --git a/runtime/src/ANTLRInputStream.h b/runtime/src/ANTLRInputStream.h
+index 3d85bed..813451c 100644
+--- a/runtime/src/ANTLRInputStream.h
++++ b/runtime/src/ANTLRInputStream.h
+@@ -16,7 +16,7 @@ namespace antlr4 {
+   protected:
+     /// The data being scanned.
+     // UTF-32
+-#if defined(_MSC_VER) && _MSC_VER == 1900
++#if defined(_MSC_VER) && _MSC_VER >= 1900
+     i32string _data; // Custom type for VS 2015.
+ #else
+     std::u32string _data;
+diff --git a/runtime/src/UnbufferedCharStream.h b/runtime/src/UnbufferedCharStream.h
+index b489f18..295804c 100644
+--- a/runtime/src/UnbufferedCharStream.h
++++ b/runtime/src/UnbufferedCharStream.h
+@@ -52,7 +52,7 @@ namespace antlr4 {
+     /// we keep adding to buffer. Otherwise, <seealso cref="#consume consume()"/> resets so
+     /// we start filling at index 0 again.
+     // UTF-32 encoded.
+-#if defined(_MSC_VER) && _MSC_VER == 1900
++#if defined(_MSC_VER) && _MSC_VER >= 1900
+     i32string _data; // Custom type for VS 2015.
+ #else
+     std::u32string _data;
+diff --git a/runtime/src/antlr4-common.h b/runtime/src/antlr4-common.h
+index 197fd6d..8357b3e 100644
+--- a/runtime/src/antlr4-common.h
++++ b/runtime/src/antlr4-common.h
+@@ -52,7 +52,7 @@
+     typedef __int32 ssize_t;
+   #endif
+ 
+-  #if _MSC_VER == 1900
++  #if _MSC_VER >= 1900
+     // VS 2015 has a known bug when using std::codecvt_utf8<char32_t>
+     // so we have to temporarily use __int32 instead.
+     // https://connect.microsoft.com/VisualStudio/feedback/details/1403302/unresolved-external-when-using-codecvt-utf8
+diff --git a/runtime/src/support/StringUtils.h b/runtime/src/support/StringUtils.h
+index cb751a7..be14bbb 100644
+--- a/runtime/src/support/StringUtils.h
++++ b/runtime/src/support/StringUtils.h
+@@ -10,7 +10,7 @@
+ namespace antlrcpp {
+   // For all conversions utf8 <-> utf32.
+   // VS 2015 has a bug in std::codecvt_utf8<char32_t> (VS 2013 works fine).
+-#if defined(_MSC_VER) && _MSC_VER == 1900
++#if defined(_MSC_VER) && _MSC_VER >= 1900
+   static std::wstring_convert<std::codecvt_utf8<__int32>, __int32> utfConverter;
+ #else
+   static std::wstring_convert<std::codecvt_utf8<char32_t>, char32_t> utfConverter;
diff --git a/ports/antlr4/portfile.cmake b/ports/antlr4/portfile.cmake
index d10513064..78266b6eb 100644
--- a/ports/antlr4/portfile.cmake
+++ b/ports/antlr4/portfile.cmake
@@ -1,15 +1,17 @@
 include(vcpkg_common_functions)
+
+set(VERSION 4.6)
 set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/runtime)
 
 vcpkg_download_distfile(ARCHIVE
     URLS "http://www.antlr.org/download/antlr4-cpp-runtime-4.6-source.zip"
-    FILENAME "antlr4-cpp-runtime-4.6-source.zip"
+    FILENAME "antlr4-cpp-runtime-${VERSION}-source.zip"
     SHA512 e123c2227e41ce80da5a3758725a018690ed70a4e10c23da26c966259e6bdafa192f4363f5a7e1181ef9a47bf3cc50d6b0ca7b26c8dd2b19222a7edf54de8de2
 )
 
 # license not exist in antlr folder.
 vcpkg_download_distfile(LICENSE
-    URLS https://raw.githubusercontent.com/antlr/antlr4/4.6/LICENSE.txt
+    URLS https://raw.githubusercontent.com/antlr/antlr4/${VERSION}/LICENSE.txt
     FILENAME "antlr4-copyright"
     SHA512 c72ae3d5c9f3f07160405b5ca44f01116a9602d82291d6cd218fcc5ec6e8baf985e4baa2acf3d621079585385708bd171c96ef44dd808e60c40a48bc1f56c9ae
 )
@@ -19,6 +21,7 @@ vcpkg_extract_source_archive(${ARCHIVE})
 vcpkg_apply_patches(
     SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src
     PATCHES     ${CMAKE_CURRENT_LIST_DIR}/crt_mt.patch
+                ${CMAKE_CURRENT_LIST_DIR}/Fix-building-in-Visual-Studio-2017.patch
 )
 
 if (${VCPKG_LIBRARY_LINKAGE} STREQUAL static)