From bd07ae3f4e1bcdedc3e373460671ca9713a03de5 Mon Sep 17 00:00:00 2001
From: rtk0c <mail.tianyig@gmail.com>
Date: Thu, 2 Jun 2022 21:34:16 -0700
Subject: Changeset: 60 Add struct/class scanning to codegen

---
 source/20-codegen-compiler/CodegenUtils.hpp | 54 +++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 source/20-codegen-compiler/CodegenUtils.hpp

(limited to 'source/20-codegen-compiler/CodegenUtils.hpp')

diff --git a/source/20-codegen-compiler/CodegenUtils.hpp b/source/20-codegen-compiler/CodegenUtils.hpp
new file mode 100644
index 0000000..62d5400
--- /dev/null
+++ b/source/20-codegen-compiler/CodegenUtils.hpp
@@ -0,0 +1,54 @@
+#pragma once
+
+#include "CodegenConfig.hpp"
+#include "CodegenDecl.hpp"
+#include "CodegenOutput.hpp"
+
+#include <algorithm>
+#include <string_view>
+
+// I give up, hopefully nothing overflows this buffer
+// TODO handle buffer sizing properly
+
+#define INPLACE_FMT(varName, format, ...) \
+	char varName[2048];                   \
+	snprintf(varName, sizeof(varName), format, __VA_ARGS__);
+
+#define APPEND_LIT(out, str) \
+	out += str
+
+#define APPEND_FMT(out, format, ...)                           \
+	{                                                          \
+		char buffer[65536];                                    \
+		snprintf(buffer, sizeof(buffer), format, __VA_ARGS__); \
+		out += buffer;                                         \
+	}
+
+#define WRITE_LIT(file, str) \
+	fwrite(str, sizeof(char), sizeof(str) - 1, file)
+
+// NOTE: snprintf() returns the size written (given an infinite buffer) not including \0
+#define WRITE_FMT(file, format, ...)                                             \
+	{                                                                            \
+		char buffer[65536];                                                      \
+		int size = snprintf(buffer, sizeof(buffer), format, __VA_ARGS__);        \
+		fwrite(buffer, sizeof(char), std::min<int>(size, sizeof(buffer)), file); \
+	}
+
+#define APPEND_LIT_LN(out, str) APPEND_LIT(out, (str "\n"))
+#define APPEND_FMT_LN(out, format, ...) APPEND_FMT(out, (format "\n"), __VA_ARGS__)
+#define WRITE_LIT_LN(out, str) WRITE_LIT(out, (str "\n"))
+#define WRITE_FMT_LN(out, format, ...) WRITE_FMT(out, (format "\n"), __VA_ARGS__)
+
+namespace Utils {
+
+bool WriteOutputFile(const CodegenOutput& output, const char* path);
+
+std::string MakeFullName(std::string_view name, DeclNamespace* ns = nullptr);
+std::vector<std::string_view> SplitIdentifier(std::string_view name);
+std::string MakePascalCase(std::string_view name);
+
+void ProduceGeneratedHeader(const char* headerFilename, CodegenOutput& header, const char* sourceFilename, CodegenOutput& source);
+void ProduceClassTypeInfo(CodegenOutput& source, std::string_view className, const DeclNamespace* ns = nullptr);
+
+} // namespace Utils
-- 
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