Add marks and regex addressing systems

- Hook up parser to buffer edits.
- Other minor fixes.

include/internal/syntax/decl.h

@@ -69,17 +69,8 @@ struct Token {
 };
 
 struct ParseEvent {
-  std::string_view name;
-  enum T : uint8_t {
-    Opening,
-    Closing,
-    SymbolDef,
-    Symbol
-  } ev_type;
-  uint8_t type; // type.
-
-  ParseEvent(T t) : ev_type(t) {}
-  ParseEvent(T e_t, std::string_view s, uint8_t type) : name(s), ev_type(e_t), type(type) {}
+  uint8_t closing;
+  ParseEvent(uint8_t t) : closing(t) {}
 };
 
 struct Language {
@@ -90,16 +81,6 @@ struct Language {
   std::function<void(void *)> destroy;
 };
 
-struct Symbol {
-  uint32_t definition;
-  uint16_t reference_count;
-  uint8_t type;
-  uint8_t len;
-  // first chars of count len, padded to 4 bytes.
-  // then a set of references. 32bit
-  // references later as modifying at end is faster than shifting the name.
-};
-
 struct ParseState {
   static constexpr uint64_t BRANCH_BIT = 1ull << 63;
   static constexpr uint64_t LINES_MASK = ~BRANCH_BIT;

include/internal/syntax/ruby/decl.h

@@ -5,15 +5,6 @@
 #include "tries.h"
 
 namespace bed::internal::syntax::ruby {
-enum struct ScopeTypes : uint8_t {
-  None,
-  Comment,
-  Method,
-  Class,
-  Module,
-  Block
-};
-
 struct alignas(2) RubyState {
   struct RubyInternalState {
     uint16_t brace_level;