Actually implement the new procedure code and adapt all of its clients

[pspp-builds.git] / src / data / ChangeLog

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+2007-06-06  Ben Pfaff  <blp@gnu.org>
+
+       Actually implement the new procedure code and adapt all of its
+       clients to match.  Also adapt all of the other case sources and
+       sinks in the tree and their clients to use the
+       casereader/casewriter infrastructure.
+
+       * automake.mk: Add and remove files.
+
+       * any-reader.c: Change into a casereader.
+       * por-file-reader.c: Ditto.
+       * scratch-reader.c: Ditto.
+       * sys-file-reader.c: Ditto.
+
+       * any-writer.c: Change into a casewriter.
+       * por-file-writer.c: Ditto.
+       * scratch-writer.c: Ditto.
+       * sys-file-writer.c: Ditto.
+
+       * procedure.c: Change to use casereader, casewriter, caseinit, and
+       other new infrastructure.
+
+       * scratch-handle.c: Adapt to new infrastructure.
+
+       * case-sink.c: Removed, now dead code.
+       * case-sink.h: Ditto.
+       * case-source.c: Ditto.
+       * case-source.h: Ditto.
+       * casefile-factory.c: Ditto.
+       * casefile-private.h: Ditto.
+       * casefile.c: Ditto.
+       * casefile.h: Ditto.
+       * casefilter.c: Ditto.
+       * casefilter.h: Ditto.
+       * fastfile.c: Ditto.
+       * fastfile.h: Ditto.
+       * fastfile-factory.c: Ditto.
+       * fastfile-factory.h: Ditto.
+       * storage-stream.c: Ditto.
+       * storage-stream.h: Ditto.
+
+2007-06-06  Ben Pfaff  <blp@gnu.org>
+
+       Add datasheet code.
+
+       * automake.mk: Add new files.
+
+       * datasheet.c: New file.
+
+       * datasheet.h: New file.
+
+2007-06-06  Ben Pfaff  <blp@gnu.org>
+
+       Until now, the procedure code has provided a case to the
+       case_source, which has filled in the data values that come from
+       the active file.  "Left" data values that don't come from the
+       active file naturally stay the same from case to case, because the
+       procedure code keeps using that same case.
+
+       One of the compromises that comes with the new procedure code is
+       that the active file allocates and provides its own case, which
+       the procedure code then has to resize to provide room for any
+       other variables that should go in the case and then fill in the
+       values of "left" variables.  Then, when we're done with that case,
+       we have to save the values of "left" variables to copy into the
+       next case read from the active file.
+
+       The caseinit code helps with this.
+
+       * automake.mk: Add new files.
+
+       * caseinit.c: New file. 
+
+       * caseinit.h: New file. 
+
 2007-06-06  Ben Pfaff  <blp@gnu.org>
 
        * value.h (value_cnt_from_width): New function.