X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=helm%2FDEVEL%2Fmathml_editor%2Fsrc%2FAPushLexer.hh;fp=helm%2FDEVEL%2Fmathml_editor%2Fsrc%2FAPushLexer.hh;h=2243426d2ecfcc4378b6f91022ac28474135b0fb;hp=0000000000000000000000000000000000000000;hb=89262281b6e83bd2321150f81f1a0583645eb0c8;hpb=b1fb6b8e1767d775bc452303629e95941d142bea

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__