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/SkSLIntLiteral.h b/src/sksl/ir/SkSLIntLiteral.h
new file mode 100644
index 0000000..80b30d7
--- /dev/null
+++ b/src/sksl/ir/SkSLIntLiteral.h
@@ -0,0 +1,40 @@
+/*
+ * 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_INTLITERAL
+#define SKSL_INTLITERAL
+
+#include "SkSLExpression.h"
+
+namespace SkSL {
+
+/**
+ * A literal integer.
+ */
+struct IntLiteral : public Expression {
+ // FIXME: we will need to revisit this if/when we add full support for both signed and unsigned
+ // 64-bit integers, but for right now an int64_t will hold every value we care about
+ IntLiteral(Position position, int64_t value)
+ : INHERITED(position, kIntLiteral_Kind, kInt_Type)
+ , fValue(value) {}
+
+ virtual std::string description() const override {
+ return to_string(fValue);
+ }
+
+ bool isConstant() const override {
+ return true;
+ }
+
+ const int64_t fValue;
+
+ typedef Expression INHERITED;
+};
+
+} // namespace
+
+#endif