diff anagram/guisupport/ruletabdc.h @ 0:13d2b8934445

Import AnaGram (near-)release tree into Mercurial.
author David A. Holland
date Sat, 22 Dec 2007 17:52:45 -0500
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/anagram/guisupport/ruletabdc.h	Sat Dec 22 17:52:45 2007 -0500
@@ -0,0 +1,49 @@
+/*
+ * AnaGram, A System for Syntax Directed Programming
+ * Copyright 1993-2002 Parsifal Software. All Rights Reserved.
+ * See the file COPYING for license and usage terms.
+ *
+ * ruletabdc.h
+ */
+
+#ifndef RULETABDC_H
+#define RULETABDC_H
+
+#include "conflicttrc.h"
+#include "dc.h"
+#include "q1glbl.h"
+
+class rule_table_dc : public dc {
+public:
+  static MenuOption *auxTable[];
+  virtual MenuOption **getAuxWinMenu(void) { return auxTable; }
+
+  rule_table_dc(void);
+  rule_table_dc(rule_stack_dc &x) : dc(x) {}
+
+  virtual void getLine(unsigned) const;
+  virtual void synchCursor(unsigned) const;
+  struct localize {
+    unsigned rule;
+    unsigned index;
+    localize(unsigned);
+    unsigned token() {
+      unsigned nt = ibnfn[rule];
+      if (index < nt) return ibnfs[ibnfb[rule] + index];
+      return 0;
+    }
+
+  };
+  virtual dc_ref expansion_rules(unsigned);
+  virtual dc_ref productions(unsigned);
+  virtual dc_ref rule_context(unsigned);
+  virtual dc_ref usage(unsigned);
+
+  virtual int expansion_rules_ok(unsigned);
+  virtual int productions_ok(unsigned);
+  virtual int rule_context_ok(unsigned ln) { return ln != 0; }
+  virtual int usage_ok(unsigned);
+};
+
+
+#endif /* RULETABDC_H */