Changeset: 43 Add tostring code gen for enums

1 files changed, 33 insertions, 0 deletions

diff --git a/buildtools/codegen/CodegenDecl.hpp b/buildtools/codegen/CodegenDecl.hpp
index 3414d80..c2d8dbb 100644
--- a/buildtools/codegen/CodegenDecl.hpp
+++ b/buildtools/codegen/CodegenDecl.hpp
@@ -20,8 +20,22 @@ enum EnumUnderlyingType {
 	EUT_COUNT,
 };
 
+enum EnumValuePattern {
+	// The numbers cover n..m with no gaps
+	EVP_Continuous,
+	// The numbers cover for i in n..m, 1 << i
+	// e.g. [0] = 1 << 0,
+	//      [1] = 1 << 1.
+	//      [2] = 1 << 2. etc.
+	EVP_Bits,
+	// The numbesr don't have a particular pattern
+	EVP_Random,
+	EVP_COUNT,
+};
+
 struct DeclEnumElement {
 	std::string name;
+	// TODO support int64_t, etc. enum underlying types
 	uint64_t value;
 };
 
@@ -29,4 +43,23 @@ struct DeclEnum {
 	std::string name;
 	std::vector<DeclEnumElement> elements;
 	EnumUnderlyingType underlyingType;
+	// Start with invalid value, calculate on demand
+	EnumValuePattern pattern = EVP_COUNT;
+
+	EnumValuePattern CalcPattern() const;
+	void CalcPatternIfNecessary();
+};
+
+struct DeclFunctionArgument {
+	std::string type;
+	std::string name;
+};
+
+struct DeclFunction {
+	// Things like extern, static, etc. that gets written before the function return type
+	std::string prefix;
+	std::string name;
+	std::string returnType;
+	std::vector<DeclFunctionArgument> arguments;
+	std::string body;
 };