Changeset: 53

1 files changed, 30 insertions, 0 deletions

diff --git a/buildtools/codegen/CodegenMacros.hpp b/buildtools/codegen/CodegenMacros.hpp
new file mode 100644
index 0000000..84c9d09
--- /dev/null
+++ b/buildtools/codegen/CodegenMacros.hpp
@@ -0,0 +1,30 @@
+#pragma once
+
+#include <algorithm>
+
+// I give up, hopefully nothing overflows this buffer
+// TODO handle buffer sizing properly
+
+#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__)