Add `-doc-format` command for the new .odin-doc file format (to be used to generate documentation tools)

1 files changed, 208 insertions, 0 deletions

diff --git a/src/docs_format.cpp b/src/docs_format.cpp
new file mode 100644
index 000000000..f30a0bf43
--- /dev/null
+++ b/src/docs_format.cpp
@@ -0,0 +1,208 @@
+#define OdinDocHeader_MagicString "odindoc\0"
+
+template <typename T>
+struct OdinDocArray {
+	u32 offset;
+	u32 length;
+};
+
+using OdinDocString = OdinDocArray<u8>;
+
+struct OdinDocVersionType {
+	u8 major, minor, patch;
+	u8 pad0;
+};
+
+#define OdinDocVersionType_Major 0
+#define OdinDocVersionType_Minor 1
+#define OdinDocVersionType_Patch 0
+
+struct OdinDocHeaderBase {
+	u8                 magic[8];
+	u32                padding0;
+	OdinDocVersionType version;
+	u32                total_size;
+	u32                header_size;
+	u32                hash; // after header
+};
+
+template <typename T>
+Slice<T> from_array(OdinDocHeaderBase *base, OdinDocArray<T> const &a) {
+	Slice<T> s = {};
+	s.data  = cast(T *)(cast(uintptr)base + cast(uintptr)a.offset);
+	s.count = cast(isize)a.length;
+	return s;
+}
+
+String from_string(OdinDocHeaderBase *base, OdinDocString const &s) {
+	String str = {};
+	str.text = cast(u8 *)(cast(uintptr)base + cast(uintptr)s.offset);
+	str.len  = cast(isize)s.length;
+	return str;
+}
+
+typedef u32 OdinDocFileIndex;
+typedef u32 OdinDocPkgIndex;
+typedef u32 OdinDocEntityIndex;
+typedef u32 OdinDocTypeIndex;
+
+struct OdinDocFile {
+	OdinDocPkgIndex pkg;
+	OdinDocString   name;
+};
+
+struct OdinDocPosition {
+	OdinDocFileIndex file;
+	u32              line;
+	u32              column;
+	u32              offset;
+};
+
+enum OdinDocTypeKind : u32 {
+	OdinDocType_Invalid          = 0,
+	OdinDocType_Basic            = 1,
+	OdinDocType_Named            = 2,
+	OdinDocType_Generic          = 3,
+	OdinDocType_Pointer          = 4,
+	OdinDocType_Array            = 5,
+	OdinDocType_EnumeratedArray  = 6,
+	OdinDocType_Slice            = 7,
+	OdinDocType_DynamicArray     = 8,
+	OdinDocType_Map              = 9,
+	OdinDocType_Struct           = 10,
+	OdinDocType_Union            = 11,
+	OdinDocType_Enum             = 12,
+	OdinDocType_Tuple            = 13,
+	OdinDocType_Proc             = 14,
+	OdinDocType_BitSet           = 15,
+	OdinDocType_SimdVector       = 16,
+	OdinDocType_SOAStructFixed   = 17,
+	OdinDocType_SOAStructSlice   = 18,
+	OdinDocType_SOAStructDynamic = 19,
+	OdinDocType_RelativePointer  = 20,
+	OdinDocType_RelativeSlice    = 21,
+};
+
+enum OdinDocTypeFlag_Basic : u32 {
+	OdinDocTypeFlag_Basic_untyped = 1<<1,
+};
+
+enum OdinDocTypeFlag_Struct : u32 {
+	OdinDocTypeFlag_Struct_polymorphic = 1<<0,
+	OdinDocTypeFlag_Struct_packed      = 1<<1,
+	OdinDocTypeFlag_Struct_raw_union   = 1<<2,
+};
+
+enum OdinDocTypeFlag_Union : u32 {
+	OdinDocTypeFlag_Union_polymorphic = 1<<0,
+	OdinDocTypeFlag_Union_no_nil      = 1<<1,
+	OdinDocTypeFlag_Union_maybe       = 1<<2,
+};
+
+enum OdinDocTypeFlag_Proc : u32 {
+	OdinDocTypeFlag_Proc_polymorphic = 1<<0,
+	OdinDocTypeFlag_Proc_diverging   = 1<<1,
+	OdinDocTypeFlag_Proc_optional_ok = 1<<2,
+	OdinDocTypeFlag_Proc_variadic    = 1<<3,
+	OdinDocTypeFlag_Proc_c_vararg    = 1<<4,
+};
+
+enum OdinDocTypeFlag_BitSet : u32 {
+	OdinDocTypeFlag_BitSet_Range          = 1<<1,
+	OdinDocTypeFlag_BitSet_OpLt           = 1<<2,
+	OdinDocTypeFlag_BitSet_OpLtEq         = 1<<3,
+	OdinDocTypeFlag_BitSet_UnderlyingType = 1<<4,
+};
+
+enum OdinDocTypeFlag_SimdVector : u32 {
+	OdinDocTypeFlag_BitSet_x86_mmx = 1<<1,
+};
+
+enum {
+	// constants
+	OdinDocType_ElemsCap = 4,
+};
+
+struct OdinDocType {
+	OdinDocTypeKind kind;
+	u32             flags;
+	OdinDocString   name;
+	OdinDocString   custom_align;
+
+	// Used by some types
+	u32 elem_count_len;
+	u64 elem_counts[OdinDocType_ElemsCap];
+
+	// Each of these is esed by some types, not all
+	OdinDocArray<OdinDocTypeIndex> types;
+	OdinDocArray<OdinDocEntityIndex> entities;
+	OdinDocTypeIndex polmorphic_params;
+	OdinDocArray<OdinDocString> where_clauses;
+};
+
+struct OdinDocAttribute {
+	OdinDocString name;
+	OdinDocString value;
+};
+
+enum OdinDocEntityKind : u32 {
+	OdinDocEntity_Invalid     = 0,
+	OdinDocEntity_Constant    = 1,
+	OdinDocEntity_Variable    = 2,
+	OdinDocEntity_TypeName    = 3,
+	OdinDocEntity_Procedure   = 4,
+	OdinDocEntity_ProcGroup   = 5,
+	OdinDocEntity_ImportName  = 6,
+	OdinDocEntity_LibraryName = 7,
+};
+
+enum OdinDocEntityFlag : u32 {
+	OdinDocEntityFlag_Foreign = 1<<0,
+	OdinDocEntityFlag_Export  = 1<<1,
+
+	OdinDocEntityFlag_Param_Using    = 1<<2,
+	OdinDocEntityFlag_Param_Const    = 1<<3,
+	OdinDocEntityFlag_Param_AutoCast = 1<<4,
+	OdinDocEntityFlag_Param_Ellipsis = 1<<5,
+	OdinDocEntityFlag_Param_CVararg  = 1<<6,
+	OdinDocEntityFlag_Param_NoAlias  = 1<<7,
+
+	OdinDocEntityFlag_Type_Alias = 1<<8,
+
+	OdinDocEntityFlag_Var_Thread_Local = 1<<9,
+};
+
+struct OdinDocEntity {
+	OdinDocEntityKind  kind;
+	u32                flags;
+	OdinDocPosition    pos;
+	OdinDocString      name;
+	OdinDocTypeIndex   type;
+	OdinDocString      init_string;
+	u32                reserved_for_init;
+	OdinDocString      comment;
+	OdinDocString      docs;
+	OdinDocEntityIndex foreign_library;
+	OdinDocString      link_name;
+	OdinDocArray<OdinDocAttribute> attributes;
+	OdinDocArray<OdinDocEntityIndex> grouped_entities; // Procedure Groups
+	OdinDocArray<OdinDocString>      where_clauses; // Procedures
+};
+
+struct OdinDocPkg {
+	OdinDocString fullpath;
+	OdinDocString name;
+	OdinDocString docs;
+	OdinDocArray<OdinDocFileIndex>   files;
+	OdinDocArray<OdinDocEntityIndex> entities;
+};
+
+struct OdinDocHeader {
+	OdinDocHeaderBase base;
+
+	OdinDocArray<OdinDocFile>   files;
+	OdinDocArray<OdinDocPkg>    pkgs;
+	OdinDocArray<OdinDocEntity> entities;
+	OdinDocArray<OdinDocType>   types;
+};
+