update in lambdadelta

[helm.git] / matita / matita / contribs / lambdadelta / bin / xhtbl / textLexer.mll

diff --git a/matita/matita/contribs/lambdadelta/bin/xhtbl/textLexer.mll b/matita/matita/contribs/lambdadelta/bin/xhtbl/textLexer.mll
new file mode 100644 (file)
index 0000000..4b06e4c
--- /dev/null
+++ b/matita/matita/contribs/lambdadelta/bin/xhtbl/textLexer.mll
@@ -0,0 +1,47 @@
+{
+   module S  = String
+   
+   module O  = Options
+   module TP = TextParser
+   
+   let out s = if !O.debug_lexer then prerr_endline s
+}
+
+let SPC = ['\r' '\n' '\t' ' ']+
+let QT  = "\""
+let NUM = ['0'-'9']+
+
+rule token = parse
+   | SPC      { token lexbuf                    }
+   | QT       { let s = str lexbuf in 
+                out s; TP.TEXT s                }
+   | NUM as s { out s; TP.NUM (int_of_string s) }
+   | "(*"     { block lexbuf; token lexbuf      }
+   | "{"      { out "{"; TP.OC                  }
+   | "}"      { out "}"; TP.CC                  }
+   | "["      { out "["; TP.OB                  }
+   | "]"      { out "]"; TP.CB                  }   
+   | "*"      { out "*"; TP.SR                  }
+   | "^"      { out "^"; TP.CF                  }
+   | "+"      { out "+"; TP.PS                  }
+   | "("      { out "("; TP.OP                  }
+   | ")"      { out ")"; TP.CP                  }   
+   | "@"      { out ")"; TP.AT                  }    
+   | "space"  { out "space"; TP.SPACE           }
+   | "name"   { out "name"; TP.NAME             }   
+   | "table"  { out "table"; TP.TABLE           }
+   | "class"  { out "class"; TP.CSS             }
+   | "uri"    { out "uri"; TP.URI               }
+   | "ext"    { out "ext"; TP.EXT               }
+   | eof      { TP.EOF                          }
+and str = parse
+   | QT       { ""                              }
+   | "\\\\"   { "\\" ^ str lexbuf               }
+   | "\\\""   { "\"" ^ str lexbuf               }
+   | _ as c   { S.make 1 c ^ str lexbuf         }
+and block = parse
+   | "*)"     { ()                              }
+   | "(*"     { block lexbuf; block lexbuf      }
+   | QT       { let _ = str lexbuf in
+                block lexbuf                    }
+   | _        { block lexbuf                    }