Commit Graph

3 Commits

Author SHA1 Message Date
Jonas Maebe
6d0dd347ba * declare procvar constructors as "overload" so that the implicitly added
parameterless constructor can also be found from Delphi mode

git-svn-id: branches/jvmbackend@18758 -
2011-08-20 08:33:24 +00:00
Jonas Maebe
249b56d742 * fixed calling non-static class methods via procvars: since we can't known
on the caller side whether it's a normal or class method that we are
    calling, add the self-class parameter inside the invoke method if
    necessary (by simply counting the number of parameters and inserting
    it if we're one short)

git-svn-id: branches/jvmbackend@18699 -
2011-08-20 08:25:44 +00:00
Jonas Maebe
979f55e1db + support for procedural variables for the JVM target
o every porocedural variable type is represented by a class with one
     public "invoke" method whose signature matches the signature of the
     procvar
   o internally, dispatching happens via java.lang.reflect.Method.invoke().
     WARNING: while this allows calling private/protected or other methods
     that are normally not accessible from another context, a security
     manger can override this. If such a security manager is installed,
     most procvars will cause security exceptions
   o such dispatching also requires that all arguments are wrapped, but
     that's done in the compiler-generated body of the invoke method,
     so that procvars can also be called conveniently from Java code
   o typecasting between a procedure of object and tmethod is supported,
     as well as Delphi-style replacing of only the method pointer via
     @procvar1=@procvar2.
   o nested procvars are not yet supported, but most of the basic
     infrastructure for them is already present
  * all units/programs now get an internal __FPC_JVM_Module_Class_Alias$
    type when compiled for the JVM target, which is an "external" class
    that maps to the unit name. This is required to look up the
    JLRMethod instances for regular functions/procedures
  + new tabstractprocdef.copyas() method that allows to create a procvar
    from a procdef and vice versa

git-svn-id: branches/jvmbackend@18690 -
2011-08-20 08:24:58 +00:00