Merge pull request #167 from hansec/class_vardef

Add class/procedure vardefs to FORTRAN code highlighting

src/fortrancode.l

@@ -688,7 +688,8 @@ NUM_TYPE  (complex|integer|logical|real)
 LOG_OPER  (\.and\.|\.eq\.|\.eqv\.|\.ge\.|\.gt\.|\.le\.|\.lt\.|\.ne\.|\.neqv\.|\.or\.|\.not\.)
 KIND      {ARGS}
 CHAR      (CHARACTER{ARGS}?|CHARACTER{BS}"*"({BS}[0-9]+|{ARGS}))
-TYPE_SPEC (({NUM_TYPE}({BS}"*"{BS}[0-9]+)?)|({NUM_TYPE}{KIND})|DOUBLE{BS}COMPLEX|DOUBLE{BS}PRECISION|{CHAR})
+TYPE_SPEC (({NUM_TYPE}({BS}"*"{BS}[0-9]+)?)|({NUM_TYPE}{KIND})|DOUBLE{BS}COMPLEX|DOUBLE{BS}PRECISION|{CHAR}|PROCEDURE)
+TYPE_PREFIX ((TYPE|CLASS|PROCEDURE){BS}"(")
 
 INTENT_SPEC intent{BS}"("{BS}(in|out|in{BS}out){BS}")"
 ATTR_SPEC (IMPLICIT|ALLOCATABLE|DIMENSION{ARGS}|EXTERNAL|{INTENT_SPEC}|INTRINSIC|OPTIONAL|PARAMETER|POINTER|PROTECTED|PRIVATE|PUBLIC|SAVE|TARGET|RECURSIVE|PURE|IMPURE|ELEMENTAL)
@@ -889,7 +890,7 @@ PREFIX    (RECURSIVE{BS_}|IMPURE{BS_}|PURE{BS_}|ELEMENTAL{BS_}){0,3}(RECURSIVE|I
 					  endFontClass();
                                         }
  /*-------- variable declaration ----------------------------------*/
-<Start>"type"{BS}"("                    {
+<Start>^{BS}{TYPE_PREFIX}/{ID}          {
                                           yy_push_state(YY_START);
 					  BEGIN(TypeDecl);
    					  startFontClass("keywordtype");