X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2FDEVEL%2Fmathml_editor%2Fsrc%2FAPushLexer.hh;fp=helm%2FDEVEL%2Fmathml_editor%2Fsrc%2FAPushLexer.hh;h=2243426d2ecfcc4378b6f91022ac28474135b0fb;hb=30060cffed61b88fe53e4d6386b606050d6dfda0;hp=0000000000000000000000000000000000000000;hpb=e6927665462cbbace76cff1b17d4f8badcb44eda;p=helm.git

diff --git a/helm/DEVEL/mathml_editor/src/APushLexer.hh b/helm/DEVEL/mathml_editor/src/APushLexer.hh
new file mode 100644
index 000000000..2243426d2
--- /dev/null
+++ b/helm/DEVEL/mathml_editor/src/APushLexer.hh
@@ -0,0 +1,21 @@
+
+#ifndef __APushLexer_hh__
+#define __APushLexer_hh__
+
+class APushLexer
+{
+public:
+  APushLexer(class APushParser& p) : parser(p) { };
+  virtual ~APushLexer() { };
+
+  virtual void push(char) = 0;
+  virtual void reset(void) = 0;
+  virtual bool error(void) const = 0;
+  //virtual void freeze(void);
+  //virtual void thaw(void);
+
+protected:
+  class APushParser& parser;
+};
+
+#endif // __APushLexer_hh__