[PATCH v2 31/36] emacs: improve how cl-lib and pcase are required

Subject: [PATCH v2 31/36] emacs: improve how cl-lib and pcase are required

Date: Sun, 10 Jan 2021 15:01:07 +0100

To: notmuch@notmuchmail.org

Cc:

From: Jonas Bernoulli


We need to load `cl-lib' at run-time because we use more from it than
just macros.  Never-the-less many, but not all libraries required it
only at compile-time, which we got away with because at least some
libraries already required it at run-time as well.

We use `cl-lib' and (currently to a lesser extend) `pcase' throughout
the code-base, which means that we should require these features in
most libraries.

In the past we tried to only require these features in just the
libraries that actually need them, without fully succeeding.  We did
not succeed in doing so because that means we would have to check
every time that we use a function from these features whether they
are already being required in the current library.

An alternative would be to add the `require' forms at the top of every
library but that is a bit annoying too.

In order to make sure that these features are loaded when needed but
also to keep the noise down we only require them in "notmuch-lib.el",
which most other libraries require, and in most of the few libraries
that do not do so, namely "notmuch-draft.el", "notmuch-message.el" and
"notmuch-parser.el".  ("coolj.el", "make-deps.el", various generated
libraries, and "notmuch-compat.el" are left touched.)
---
 emacs/notmuch-address.el     | 2 --
 emacs/notmuch-company.el     | 2 --
 emacs/notmuch-draft.el       | 3 +++
 emacs/notmuch-hello.el       | 1 -
 emacs/notmuch-jump.el        | 4 ----
 emacs/notmuch-lib.el         | 1 +
 emacs/notmuch-maildir-fcc.el | 2 --
 emacs/notmuch-message.el     | 3 +++
 emacs/notmuch-mua.el         | 2 --
 emacs/notmuch-parser.el      | 3 ++-
 emacs/notmuch-show.el        | 4 ----
 emacs/notmuch-tag.el         | 4 ----
 emacs/notmuch-tree.el        | 2 --
 emacs/notmuch.el             | 2 --
 14 files changed, 9 insertions(+), 26 deletions(-)

diff --git a/emacs/notmuch-address.el b/emacs/notmuch-address.el
index f313c415..ca24c744 100644
--- a/emacs/notmuch-address.el
+++ b/emacs/notmuch-address.el
@@ -21,8 +21,6 @@
 
 ;;; Code:
 
-(eval-when-compile (require 'cl-lib))
-
 (require 'message)
 (require 'notmuch-parser)
 (require 'notmuch-lib)
diff --git a/emacs/notmuch-company.el b/emacs/notmuch-company.el
index 4439cc15..c6a004ae 100644
--- a/emacs/notmuch-company.el
+++ b/emacs/notmuch-company.el
@@ -32,8 +32,6 @@
 
 ;;; Code:
 
-(eval-when-compile (require 'cl-lib))
-
 (require 'notmuch-lib)
 
 (defvar-local notmuch-company-last-prefix nil)
diff --git a/emacs/notmuch-draft.el b/emacs/notmuch-draft.el
index bc688434..2939da55 100644
--- a/emacs/notmuch-draft.el
+++ b/emacs/notmuch-draft.el
@@ -25,6 +25,9 @@
 
 ;;; Code:
 
+(require 'cl-lib)
+(require 'pcase)
+
 (require 'notmuch-maildir-fcc)
 (require 'notmuch-tag)
 
diff --git a/emacs/notmuch-hello.el b/emacs/notmuch-hello.el
index 186ac172..24d2d19e 100644
--- a/emacs/notmuch-hello.el
+++ b/emacs/notmuch-hello.el
@@ -21,7 +21,6 @@
 
 ;;; Code:
 
-(require 'cl-lib)
 (require 'widget)
 (require 'wid-edit) ; For `widget-forward'.
 
diff --git a/emacs/notmuch-jump.el b/emacs/notmuch-jump.el
index 34d6c796..6fab5a79 100644
--- a/emacs/notmuch-jump.el
+++ b/emacs/notmuch-jump.el
@@ -22,10 +22,6 @@
 
 ;;; Code:
 
-(eval-when-compile
-  (require 'cl-lib)
-  (require 'pcase))
-
 (require 'notmuch-lib)
 (require 'notmuch-hello)
 
diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el
index cbac8859..6130309a 100644
--- a/emacs/notmuch-lib.el
+++ b/emacs/notmuch-lib.el
@@ -22,6 +22,7 @@
 ;;; Code:
 
 (require 'cl-lib)
+(require 'pcase)
 
 (require 'mm-util)
 (require 'mm-view)
diff --git a/emacs/notmuch-maildir-fcc.el b/emacs/notmuch-maildir-fcc.el
index 63e5514c..374765b7 100644
--- a/emacs/notmuch-maildir-fcc.el
+++ b/emacs/notmuch-maildir-fcc.el
@@ -21,8 +21,6 @@
 
 ;;; Code:
 
-(eval-when-compile (require 'cl-lib))
-
 (require 'message)
 
 (require 'notmuch-lib)
diff --git a/emacs/notmuch-message.el b/emacs/notmuch-message.el
index abeff53a..b90c934a 100644
--- a/emacs/notmuch-message.el
+++ b/emacs/notmuch-message.el
@@ -21,6 +21,9 @@
 
 ;;; Code:
 
+(require 'cl-lib)
+(require 'pcase)
+
 (require 'message)
 (require 'notmuch-tag)
 
diff --git a/emacs/notmuch-mua.el b/emacs/notmuch-mua.el
index 2e4dc71a..c5b1b482 100644
--- a/emacs/notmuch-mua.el
+++ b/emacs/notmuch-mua.el
@@ -21,8 +21,6 @@
 
 ;;; Code:
 
-(eval-when-compile (require 'cl-lib))
-
 (require 'message)
 (require 'mm-view)
 (require 'format-spec)
diff --git a/emacs/notmuch-parser.el b/emacs/notmuch-parser.el
index 294e0544..9749a6be 100644
--- a/emacs/notmuch-parser.el
+++ b/emacs/notmuch-parser.el
@@ -21,7 +21,8 @@
 
 ;;; Code:
 
-(eval-when-compile (require 'cl-lib))
+(require 'cl-lib)
+(require 'pcase)
 
 (defun notmuch-sexp-create-parser ()
   "Return a new streaming S-expression parser.
diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
index 27925669..ea4444e5 100644
--- a/emacs/notmuch-show.el
+++ b/emacs/notmuch-show.el
@@ -23,10 +23,6 @@
 
 ;;; Code:
 
-(eval-when-compile
-  (require 'cl-lib)
-  (require 'pcase))
-
 (require 'mm-view)
 (require 'message)
 (require 'mm-decode)
diff --git a/emacs/notmuch-tag.el b/emacs/notmuch-tag.el
index 3c958dd4..982b372c 100644
--- a/emacs/notmuch-tag.el
+++ b/emacs/notmuch-tag.el
@@ -23,10 +23,6 @@
 
 ;;; Code:
 
-(require 'cl-lib)
-(eval-when-compile
-  (require 'pcase))
-
 (require 'crm)
 
 (require 'notmuch-lib)
diff --git a/emacs/notmuch-tree.el b/emacs/notmuch-tree.el
index 51a43edd..95d5f642 100644
--- a/emacs/notmuch-tree.el
+++ b/emacs/notmuch-tree.el
@@ -24,8 +24,6 @@
 
 ;;; Code:
 
-(eval-when-compile (require 'cl-lib))
-
 (require 'mail-parse)
 
 (require 'notmuch-lib)
diff --git a/emacs/notmuch.el b/emacs/notmuch.el
index 3436e1fc..d2e87b1b 100644
--- a/emacs/notmuch.el
+++ b/emacs/notmuch.el
@@ -65,8 +65,6 @@
 
 ;;; Code:
 
-(eval-when-compile (require 'cl-lib))
-
 (require 'mm-view)
 (require 'message)
 
-- 
2.29.1
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