initial checkin of SkSL compiler
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1984363002
CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Ubuntu-GCC-x86_64-Release-CMake-Trybot,Build-Mac-Clang-x86_64-Release-CMake-Trybot
Review-Url: https://codereview.chromium.org/1984363002
diff --git a/src/sksl/ir/SkSLFunctionCall.h b/src/sksl/ir/SkSLFunctionCall.h
new file mode 100644
index 0000000..78d2566
--- /dev/null
+++ b/src/sksl/ir/SkSLFunctionCall.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SKSL_FUNCTIONCALL
+#define SKSL_FUNCTIONCALL
+
+#include "SkSLExpression.h"
+#include "SkSLFunctionDeclaration.h"
+
+namespace SkSL {
+
+/**
+ * A function invocation.
+ */
+struct FunctionCall : public Expression {
+ FunctionCall(Position position, std::shared_ptr<FunctionDeclaration> function,
+ std::vector<std::unique_ptr<Expression>> arguments)
+ : INHERITED(position, kFunctionCall_Kind, function->fReturnType)
+ , fFunction(std::move(function))
+ , fArguments(std::move(arguments)) {}
+
+ std::string description() const override {
+ std::string result = fFunction->fName + "(";
+ std::string separator = "";
+ for (size_t i = 0; i < fArguments.size(); i++) {
+ result += separator;
+ result += fArguments[i]->description();
+ separator = ", ";
+ }
+ result += ")";
+ return result;
+ }
+
+ const std::shared_ptr<FunctionDeclaration> fFunction;
+ const std::vector<std::unique_ptr<Expression>> fArguments;
+
+ typedef Expression INHERITED;
+};
+
+} // namespace
+
+#endif