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[gawk-diffs] [SCM] gawk branch, feature/fixtype, updated. gawk-4.1.0-190

From: Arnold Robbins
Subject: [gawk-diffs] [SCM] gawk branch, feature/fixtype, updated. gawk-4.1.0-1903-ge3de393
Date: Fri, 8 Jul 2016 11:13:43 +0000 (UTC)

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The branch, feature/fixtype has been updated
       via  e3de393ff1cbecea875c96294855b230f4779a3a (commit)
       via  7b8e8b3a25420f6d79f0d24831063eccae9291ea (commit)
       via  c22260e9391a92cf9cd0b0b51dff4b453efca766 (commit)
      from  d21117ed7769c6c8da3fde6eec39af81cc818577 (commit)

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- Log -----------------------------------------------------------------

commit e3de393ff1cbecea875c96294855b230f4779a3a
Merge: d21117e 7b8e8b3
Author: Arnold D. Robbins <address@hidden>
Date:   Fri Jul 8 14:13:37 2016 +0300

    Merge branch 'master' into feature/fixtype

diff --cc ChangeLog
index 7d11fd5,3cd1305..91514e1
--- a/ChangeLog
+++ b/ChangeLog
@@@ -1,136 -1,7 +1,140 @@@
+ 2016-07-08         Arnold D. Robbins     <address@hidden>
+       * dfa.c: Sync with GNU grep.
 +2016-07-06         Andrew J. Schorr     <address@hidden>
 +      * awk.h: Modify comments to indicate that MAYBE_NUM will now be
 +      left enabled to indicate strnum values by the NUMBER|MAYBE_NUM
 +      combination, whereas STRING|MAYBE_NUM indicates a potential strnum.
 +      (fixtype): Modify MAYBE_NUM test to avoid calling force_number if
 +      NUMCUR is already set.
 +      * builtin.c (do_typeof): Call fixtype to resolve argument type.
 +      This forces parsing of numeric strings, so there's a performance
 +      penalty, but we must do this to give a correct result. The meaning
 +      of "strnum" changes from "potential strnum" to "actual strnum".
 +      * eval.c (set_TEXTDOMAIN): Remove some dead code left over from last
 +      patch.
 +      * int_array.c (is_integer): When a MAYBE_NUM is converted successfully
 +      to a NUMBER, leave the MAYBE_NUM flag enabled.
 +      * mpfr.c (mpg_force_number): Ditto.
 +      * node.c (r_force_number): Ditto.
 +2016-07-06         Andrew J. Schorr     <address@hidden>
 +      * awk.h: Modify stptr comment to indicate that all strings are now
 +      NUL-terminated.
 +      * builtin.c (do_mktime): Remove unnecessary logic to terminate
 +      the string with '\0' temporarily.
 +      (do_system) Ditto.
 +      (nondec2awknum): Add a comment about termination.
 +      * eval.c (posix_compare): Remove logic to terminate strings temporarily.
 +      (set_ORS): No need to terminate ORS, since the string node is already
 +      terminated. What gave us the right to modify that node anyway?
 +      (fmt_index): Remove code to terminate string. This seems to have been
 +      invalid anyway, since we don't own that memory.
 +      (set_TEXTDOMAIN): Do not terminate TEXTDOMAIN string, since the node
 +      is already terminated. We didn't have the right to modify that node
 +      anyway.
 +      * gawkapi.c (node_to_awk_value): Add assert checks to confirm that the
 +      string is NUL-terminated.
 +      * gawkapi.h: Modify awk_string comment to indicate that strings are
 +      always terminated with '\0'.
 +      * int_array.c (isinteger): Remove unnecessary logic to terminate string
 +      with '\0' temporarily.
 +      * interpret.h (Op_push_i): Ditto.
 +      * io.c (nextfile): Remove string termination. We didn't own that memory
 +      anyway.
 +      * mpfr.c (force_mpnum): Remove unnecessary logic to terminate the
 +      string with '\0' temporarily.
 +      * node.c (r_force_number): Remove NUL termination around strtod call,
 +      since we already know that there is either a white space or '\0'
 +      character there. Either one will stop strtod.
 +      (get_ieee_magic_val): Ditto.
 +      * profile.c (pp_number): No need to terminate string returned by
 +      r_format_val.
 +2016-07-06         Andrew J. Schorr     <address@hidden>
 +      * interpret.h (Op_field_spec): Now that all $n field values are
 +      NUL-terminated, there is no reason to call dupnode for $n where n > 0.
 +      This saves malloc and copying overhead, thereby more than offsetting the
 +      performance hit of the additional copying and NUL-termination in the
 +      last patch to field.c. It also eliminates repeated parsing in cases
 +      where $n, for n > 1, was accessed more than once in a numeric context,
 +      so the new approach should be a performance win.
 +2016-07-06         Andrew J. Schorr     <address@hidden>
 +      Make sure that all field values, and therefore all strings inside gawk,
 +      are terminated with a '\0' character!
 +      * field.c (databuf): New static struct to hold info about our buffer to
 +      contain the field string values.
 +      (allocate_databuf): New function to make sure the databuf is large
 +      enough to hold $0 and copies of $1 through $NF.
 +      (set_field): Copy $n into free space previously allocated in databuf
 +      and add a '\0' at the end.
 +      (rebuild_record): Call allocate_databuf to ensure sufficient space
 +      for copying non-malloced field values. When copying field values,
 +      use databuf to create a NUL-terminated copy.
 +      (purge_record): New function extracted from reset_record to initialize
 +      $1 through $NF to null values.
 +      (set_record): Buffer management moved to new allocate_databuf function.
 +      Call purge_record instead of reset_record, since reset_record contains
 +      some extra logic not needed in this case.
 +      (reset_record): Call purge_record to do most of the work, and call
 +      allocate_databuf to make sure we have a big enough buffer to contain
 +      copies of the $1 through $NF.
 +2016-07-06         Andrew J. Schorr     <address@hidden>
 +      * awk.h: Renumber flags to remove gap created when FIELD was removed.
 +2016-07-05         Andrew J. Schorr     <address@hidden>
 +      * field.c (rebuild_record): Need to set MALLOC flag if we allocate
 +      memory for a residual field node with valref > 1.
 +2016-07-05         Andrew J. Schorr     <address@hidden>
 +      * field.c (rebuild_record): Do not bother to create new field nodes
 +      to replace malloc'ed nodes when rebuilding $0.
 +2016-07-05         Andrew J. Schorr     <address@hidden>
 +      * awk.h (FIELD): Remove unnecessary flag.
 +      (MALLOC): Move definition to join the others, and improve the comment.
 +      * array.c (value_info): Replace FIELD test with MALLOC test.
 +      * eval.c (flags2str): Remove FIELD flag.
 +      * field.c (init_fields): Remove FIELD bit from Null_field->flags.
 +      (set_field): Remove FIELD bit from flags.
 +      (rebuild_record): Test against MALLOC instead of FIELD. If a field
 +      node has valref > 1, we should make a copy, although I don't think
 +      it is valid for this to happen.
 +      (set_record): Remove FIELD bit from flags.
 +      * interpret.h (UNFIELD): Add comment, and test MALLOC flag instead of
 +      FIELD. Remove probably buggy code to disable the FIELD flag when
 +      valref is 1; that would have created a node where neither the FIELD
 +      nor MALLOC flag was set, which seems invalid.
 +      * node.c (r_dupnode): Remove code disabling FIELD flag.
 +2016-07-04         Andrew J. Schorr     <address@hidden>
 +      * awk.h (force_string_fmt): New inline function to get the string
 +      representation in a requested format.
 +      (force_string): Reimplement as a macro using force_string_fmt function.
 +      (force_string_ofmt): New macro to get a value's OFMT representation.
 +      * builtin.c (do_print): Use new force_string_ofmt macro instead of
 +      duplicating the logic inline.
 +2016-07-04         Andrew J. Schorr     <address@hidden>
 +      * str_array.c (str_lookup): There is no need to worry about the
 +      MAYBE_NUM flag, since the code has been patched to make sure to
 +      preserve the string value of strnum values, and the integer array
 +      code should no longer mistakenly claim a strnum integer with a
 +      nonstandard string representation.
  2016-07-03         Andrew J. Schorr     <address@hidden>
        * field.c (rebuild_record): Revert warning message regarding flags,


Summary of changes:
 ChangeLog |    4 +
 dfa.c     |  387 +++++++++++++++++--------------------------------------------
 2 files changed, 111 insertions(+), 280 deletions(-)


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