From df96eb3c71600a44eae2d93550e75ab42f0ed615 Mon Sep 17 00:00:00 2001
From: Ander Conselvan de Oliveira <ander.deoliveira@mapbox.com>
Date: Tue, 2 Apr 2019 15:52:16 +0300
Subject: [core] Expose dsl::compound() internally

This will be used in a follow up patch by the function to expression
conversion code.
---
 src/core-files.json                    |  1 +
 src/mbgl/style/expression/dsl.cpp      |  8 ++------
 src/mbgl/style/expression/dsl_impl.hpp | 21 +++++++++++++++++++++
 3 files changed, 24 insertions(+), 6 deletions(-)
 create mode 100644 src/mbgl/style/expression/dsl_impl.hpp

diff --git a/src/core-files.json b/src/core-files.json
index a52797acd7..7954e2fb88 100644
--- a/src/core-files.json
+++ b/src/core-files.json
@@ -674,6 +674,7 @@
         "mbgl/style/conversion/json.hpp": "src/mbgl/style/conversion/json.hpp",
         "mbgl/style/conversion/stringify.hpp": "src/mbgl/style/conversion/stringify.hpp",
         "mbgl/style/custom_tile_loader.hpp": "src/mbgl/style/custom_tile_loader.hpp",
+        "mbgl/style/expression/dsl_impl.hpp": "src/mbgl/style/expression/dsl_impl.hpp",
         "mbgl/style/expression/util.hpp": "src/mbgl/style/expression/util.hpp",
         "mbgl/style/image_impl.hpp": "src/mbgl/style/image_impl.hpp",
         "mbgl/style/layer_impl.hpp": "src/mbgl/style/layer_impl.hpp",
diff --git a/src/mbgl/style/expression/dsl.cpp b/src/mbgl/style/expression/dsl.cpp
index d1d8dea799..dd4aa7d277 100644
--- a/src/mbgl/style/expression/dsl.cpp
+++ b/src/mbgl/style/expression/dsl.cpp
@@ -1,4 +1,5 @@
 #include <mbgl/style/expression/dsl.hpp>
+#include <mbgl/style/expression/dsl_impl.hpp>
 #include <mbgl/style/expression/error.hpp>
 #include <mbgl/style/expression/literal.hpp>
 #include <mbgl/style/expression/assertion.hpp>
@@ -14,18 +15,13 @@ namespace style {
 namespace expression {
 namespace dsl {
 
-static std::unique_ptr<Expression> compound(const char* op, std::vector<std::unique_ptr<Expression>> args) {
+std::unique_ptr<Expression> compound(const char* op, std::vector<std::unique_ptr<Expression>> args) {
     ParsingContext ctx;
     ParseResult result =  createCompoundExpression(op, std::move(args), ctx);
     assert(result);
     return std::move(*result);
 }
 
-template <class... Args>
-static std::unique_ptr<Expression> compound(const char* op, Args... args) {
-    return compound(op, vec(std::move(args)...));
-}
-
 std::unique_ptr<Expression> error(std::string message) {
     return std::make_unique<Error>(std::move(message));
 }
diff --git a/src/mbgl/style/expression/dsl_impl.hpp b/src/mbgl/style/expression/dsl_impl.hpp
new file mode 100644
index 0000000000..201c60ffd8
--- /dev/null
+++ b/src/mbgl/style/expression/dsl_impl.hpp
@@ -0,0 +1,21 @@
+#pragma once
+
+#include <mbgl/style/expression/expression.hpp>
+#include <mbgl/util/color.hpp>
+
+namespace mbgl {
+namespace style {
+namespace expression {
+namespace dsl {
+
+std::unique_ptr<Expression> compound(const char* op, std::vector<std::unique_ptr<Expression>> args);
+
+template <class... Args>
+std::unique_ptr<Expression> compound(const char* op, Args... args) {
+    return compound(op, vec(std::move(args)...));
+}
+
+} // namespace dsl
+} // namespace expression
+} // namespace style
+} // namespace mbgl
-- 
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