1 files changed, 73 insertions, 0 deletions
diff --git a/buildtools/codegen/CodegenUtils.inl b/buildtools/codegen/CodegenUtils.inl
new file mode 100644
index 0000000..ea46ac1
--- /dev/null
+++ b/buildtools/codegen/CodegenUtils.inl
@@ -0,0 +1,73 @@
+#pragma once
+
+#include "CodegenConfig.hpp"
+#include "CodegenMacros.hpp"
+
+#include "CodegenOutput.inl"
+
+#include <Macros.hpp>
+#include <ScopeGuard.hpp>
+
+#include <cstdio>
+#include <cstdlib>
+#include <filesystem>
+
+namespace Utils {
+
+std::string ReadFileAsString(const std::filesystem::path& path) {
+	auto file = Utils::OpenCstdioFile(path, Utils::Read);
+	if (!file) throw std::runtime_error("Failed to open source file.");
+	DEFER { fclose(file); };
+
+	fseek(file, 0, SEEK_END);
+	auto fileSize = ftell(file);
+	rewind(file);
+
+	std::string result(fileSize, '\0');
+	fread(result.data(), fileSize, 1, file);
+
+	return result;
+}
+
+bool WriteOutputFile(const CodegenOutput& output, std::string_view dir, std::string_view filename, std::string_view additionalSuffix = {}) {
+	char path[2048];
+	snprintf(path, sizeof(path), "%.*s/%.*s%.*s", PRINTF_STRING_VIEW(dir), PRINTF_STRING_VIEW(filename), PRINTF_STRING_VIEW(additionalSuffix));
+
+	auto outputFile = Utils::OpenCstdioFile(path, Utils::WriteTruncate);
+	if (!outputFile) {
+		printf("[ERROR] unable to open output file %s\n", path);
+		return false;
+	}
+	DEFER { fclose(outputFile); };
+
+	DEBUG_PRINTF("Writing output %s\n", path);
+	output.Write(outputFile);
+
+	return true;
+}
+
+void ProduceGeneratedHeaderFileHeader(CodegenOutput& output) {
+	output.AddOutputThing(CodegenOutputThing{
+		.text = &R"""(
+// This file is generated. Any changes will be overidden when building.
+#pragma once
+
+#include <MetadataBase.hpp>
+)"""[1],
+	});
+}
+
+void ProduceGeneratedSourceFileHeader(CodegenOutput& output) {
+	output.AddOutputThing(CodegenOutputThing{
+		.text = &R"""(
+// This file is generated. Any changes will be overidden when building.
+#include "GeneratedCode.hpp"
+
+#include <frozen/string.h>
+#include <frozen/unordered_map.h>
+using namespace std::literals;
+		)"""[1],
+	});
+}
+
+} // namespace Utils