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24 Commits

Author SHA1 Message Date
Ludovic Courtès
94df39cc08
records: Slight simplification. 
* guix/records.scm (make-syntactic-constructor): Simplify 'find' expression.
 2017-04-17 23:31:28 +02:00
Ludovic Courtès
babc2c80a7
records: Improve reporting of invalid field specifiers. 
Fixes <http://bugs.gnu.org/23969>.
Reported by Vincent Legoll <vincent.legoll@gmail.com>.

* guix/records.scm (report-invalid-field-specifier): New procedure.
* tests/records.scm ("define-record-type* & wrong field specifier"): New
test.
 2016-07-14 19:07:07 +02:00
Ludovic Courtès
ad7c1a2cde records: Remove unnecessary 'begin'. 
* guix/records.scm (define-record-type*): Remove unnecessary 'begin'.
 2015-06-11 23:33:32 +02:00
Ludovic Courtès
8a16d064fa records: Add support for 'innate' fields. 
* guix/records.scm (make-syntactic-constructor): Add #:innate parameter.
  [record-inheritance]: Honor it.
  [innate-field?]: New procedure.
  (define-record-type*)[innate-field?]: New procedure.
  Pass #:innate to 'make-syntactic-constructor'.
* tests/records.scm ("define-record-type* & inherit & innate",
  "define-record-type* & thunked & innate"): New tests.
 2015-06-11 23:33:32 +02:00
Ludovic Courtès
792798f486 records: "options" → "properties". 
* guix/records.scm (define-record-type*): Change "options" to "properties".
 2015-06-11 23:33:32 +02:00
Ludovic Courtès
faef3b6a96 records: Factorize field property predicates. 
* guix/records.scm (define-field-property-predicate): New macro.
  (define-record-type*)[thunked-field?, delayed-field?]: Use it.
 2015-06-11 23:33:32 +02:00
Ludovic Courtès
b9c8647337 records: Separate default-value handling. 
* guix/records.scm (make-syntactic-constructor)[default-values]: New
  variable.
  [field-default-value]: New procedure.
  Use them.
 2015-06-11 23:33:32 +02:00
Ludovic Courtès
39fc041a7d records: Replace 'eval-when' with a proper 'define-syntax'. 
* guix/records.scm (make-syntactic-constructor): Remove enclosing
  'eval-when'.  Turn into a 'syntax-rules' macro.
 2015-06-11 23:33:32 +02:00
Ludovic Courtès
954cea3ae6 records: Make 'make-syntactic-constructor' available at load/eval/expand. 
* guix/records.scm (make-syntactic-constructor): Wrap in 'eval-when'.
 2015-05-04 23:30:52 +02:00
Ludovic Courtès
310b32a2a6 records: Add support for delayed fields. 
* guix/records.scm (make-syntactic-constructor): Add #:delayed
  parameter.
  [delayed-field?]: New procedure.
  [wrap-field-value]: Use it.
  (define-record-type*)[delayed-field?, wrapped-field?]: New procedures.
  [thunked-field-accessor-name]: Rename to...
  [wrapped-field-accessor-name]: ... this.
  [field-spec->srfi-9]: Change 'thunked' to 'wrapped'.
  [delayed-field-accessor-definition]: New procedure.
  Compute delayed-field accessors and emit them.  Pass #:delayed to
  'make-syntactic-constructor'.
* tests/records.scm ("define-record-type* & delayed",
  "define-record-type* & delayed & default",
  "define-record-type* & delayed & inherited"): New tests.
 2015-01-19 23:30:42 +01:00
Ludovic Courtès
0db40ed289 make-syntactic-constructor kwarg default 2015-01-19 23:30:42 +01:00
Ludovic Courtès
c492be654b records: Factorize value wrapping in the record constructor. 
* guix/records.scm (make-syntactic-constructor)[wrap-field-value]: New
  procedure.
  [field-bindings, field-value]: Use it.
 2015-01-19 23:30:42 +01:00
Ludovic Courtès
cf4efb394f records: Move 'make-syntactic-constructor' to the top level. 
* guix/records.scm (make-syntactic-constructor): New procedure, formerly
  nested in 'define-record-type*'.
 2015-01-19 23:30:42 +01:00
Ludovic Courtès
9b543456d7 records: Use keyword parameters for 'make-syntactic-constructor'. 
* guix/records.scm (define-record-type*)[make-syntactic-constructor]:
  Turn THUNKED and DEFAULTS into keyword arguments.
  Adjust caller accordingly.  Declare 'thunked' and 'defaults' local
  variables.
 2015-01-19 23:30:42 +01:00
Ludovic Courtès
fb519bd831 records: Optimize 'recutils->alist' by avoiding regexps. 
* guix/records.scm (%recutils-field-rx, %recutils-comment-rx,
  %recutils-plus-rx): Remove.
  (%recutils-field-charset): New variable.
  (recutils->alist): Adjust to use tests (string-ref line 0) instead of
  regexps.
 2015-01-09 01:08:10 +01:00
Ludovic Courtès
e25408849a records: Improve the docstring of 'define-record-type*'. 
* guix/records.scm (define-record-type*): Agument the docstring, give
  examples.
 2014-10-17 23:23:20 +02:00
Ludovic Courtès
a1906758c3 records: Report unknown field names in inheriting forms. 
* guix/records.scm (define-record-type*)[record-inheritance]: Check for
  unexpected field names.
* tests/records.scm ("define-record-type* with let* behavior"): Return
  #t, not *unspecified*.
  ("define-record-type* & inherit & extra initializers"): New test.
 2014-07-17 16:45:45 +02:00
Ludovic Courtès
b1353e7a6b records: Factorize error-reporting macro. 
* guix/records.scm (record-error): New macro.
  (define-record-type*)[error*]: Remove.
  Use 'record-error' instead.
 2014-07-17 16:42:19 +02:00
Ludovic Courtès
59fbeb8cae records: define-record-type*: Field bindings are bound with 'let*'. 
* guix/records.scm (define-record-type*): Wrap field bindings in a
  'let*', not in a 'letrec*', which turned out to be pointlessly
  inconvenient.
* tests/records.scm: Adjust test names accordingly.
 2013-10-15 23:31:22 +02:00
Ludovic Courtès
836d10f154 records: recutils->alist' recognizes lines starting with a +'. 
* guix/records.scm (%recutils-plus-rx): New variable.
  (recutils->alist): Use it to read + lines.
* tests/records.scm ("recutils->alist with + lines"): New test.
 2013-07-10 21:53:29 +02:00
Ludovic Courtès
c8772a7a21 records: `alist->record' supports multiple-field occurrences. 
* guix/records.scm (alist->record): Add `multiple-value-keys'
  parameter.  Update docstring, and honor it.
* tests/records.scm ("alist->record"): New record.
 2013-07-10 21:52:51 +02:00
Ludovic Courtès
b7b8828801 records: `recutils->alist' recognizes comments. 
* guix/records.scm (%recutils-comment-rx): New variable.
  (recutils->alist): Match comments.
* tests/records.scm ("recutils->alist"): Add comments.
 2013-07-10 18:01:12 +02:00
Ludovic Courtès
fdc1bf659d records: Add `recutils->alist' for public consumption. 
* guix/records.scm (%recutils-field-rx): New variable.
  (recutils->alist): New procedure, formerly known as `fields->alist'.
* guix/scripts/substitute-binary.scm (fields->alist): Use it.
* tests/records.scm ("recutils->alist"): New test.
 2013-07-10 17:01:08 +02:00
Ludovic Courtès
c0cd1b3ea7 Move record utilities to (guix records). 
* guix/utils.scm (define-record-type*): Move to...
* guix/records.scm: ... here.  New file.
* guix/build-system.scm, guix/packages.scm: Use it.
* guix/gnu-maintenance.scm: Likewise.
  (official-gnu-packages)[alist->record]: Remove.
* guix/scripts/substitute-binary.scm: Likewise.
  (alist->record, object->fields): Remove.
* tests/utils.scm ("define-record-type*", "define-record-type* with
  letrec* behavior", "define-record-type* & inherit",
  "define-record-type* & inherit & letrec* behavior",
  "define-record-type* & thunked", "define-record-type* & thunked &
  default", "define-record-type* & thunked & inherited"): Move to...
* tests/records.scm: ... here.  New file.
 2013-05-12 15:46:16 +02:00