regex interpreter now can build partial correct AST (i forget groups), but in bad shape. building an optimizer.

2026-02-06 17:07:03 +08:00
parent 1bfb8b67c4
commit 3a441b270c
13 changed files with 236 additions and 31 deletions
@@ -34,21 +34,22 @@ using System.Threading.Tasks;
 namespace StgSharp.RegularAnalysis.TextRegex
 {
    [Flags]
-    internal enum RegexElementLabel
+    public enum RegexElementLabel
    {

        NONE = 0,
        UNIT = 1,
-        GROUP_BEGIN = 2,
-        GROUP_END = 4,
-        COUNT = 8,
-        ALT = 16,
-        CONCAT = 32,
-        UNIT_SPAN = 64,
-        SEQUENCE = UNIT | UNIT_SPAN,
+        UNIT_SET = 2,
+        UNIT_SPAN = 4,
+        GROUP_BEGIN = 8,
+        GROUP_END = 16,
+        COUNT = 32,
+        CONCAT = 64,
+        ALT = 128,
+        SEQUENCE = UNIT | UNIT_SPAN | UNIT_SET,
        OPERATOR = COUNT | ALT | CONCAT,
-        ATOM_BEGIN = UNIT | GROUP_BEGIN | UNIT_SPAN,
-        ATOM_END = UNIT | GROUP_END | COUNT | UNIT_SPAN,
+        ATOM_BEGIN = SEQUENCE | GROUP_BEGIN ,
+        ATOM_END = SEQUENCE | GROUP_END,

    }
 }