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authorJose Antonio Ortega Ruiz <jao@gnu.org>2010-09-04 21:17:12 +0200
committerJose Antonio Ortega Ruiz <jao@gnu.org>2010-09-04 21:17:12 +0200
commitafa7fb40739992e22c7b4fd520ac6fac3d8e69c7 (patch)
tree43d9db7e6776a79a1d5503d99a4733e3177fbec0
parent35d7893f4889a7b4e67102b0da6363ed2454bc74 (diff)
downloadgeiser-chez-afa7fb40739992e22c7b4fd520ac6fac3d8e69c7.tar.gz
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REPL: (optionally) forget old errors on new expressions
-rw-r--r--doc/geiser.texi16
-rw-r--r--doc/repl.texi27
-rw-r--r--elisp/geiser-guile.el3
-rw-r--r--elisp/geiser-repl.el13
4 files changed, 41 insertions, 18 deletions
diff --git a/doc/geiser.texi b/doc/geiser.texi
index afd71e9..61e99fb 100644
--- a/doc/geiser.texi
+++ b/doc/geiser.texi
@@ -46,6 +46,8 @@ The document was typeset with
@node Top, Introduction, (dir), (dir)
@top Geiser
+@include top.texi
+
@menu
* Introduction::
* Installation::
@@ -81,7 +83,8 @@ The REPL
* Starting the REPL::
* First aids::
* Switching context::
-* Let Geiser spy::
+* Completion and error handling::
+* Autodoc and friends::
* Customization and tips::
Fun between the parens
@@ -96,19 +99,8 @@ Fun between the parens
@end detailmenu
@end menu
-@include top.texi
-
@insertcopying
-@menu
-* Introduction::
-* Installation::
-* The REPL::
-* Fun between the parens::
-* Index::
-
-@end menu
-
@end ifnottex
@include intro.texi
diff --git a/doc/repl.texi b/doc/repl.texi
index d8583df..b314172 100644
--- a/doc/repl.texi
+++ b/doc/repl.texi
@@ -9,7 +9,8 @@ ready, just come back here and proceed to the following sections.
* Starting the REPL::
* First aids::
* Switching context::
-* Let Geiser spy::
+* Completion and error handling::
+* Autodoc and friends::
* Customization and tips::
@end menu
@@ -85,7 +86,7 @@ as explained @ref{switching-repl-buff,,here}).
The remaining commands are meatier, and deserve sections of their own.
-@node Switching context, Let Geiser spy, First aids, The REPL
+@node Switching context, Completion and error handling, First aids, The REPL
@section Switching context
@cindex current module, in REPL
@@ -118,8 +119,8 @@ a prefix-aware list of available module names.
Which brings me to the next group of @repl{} commands.
-@node Let Geiser spy, Customization and tips, Switching context, The REPL
-@section Let Geiser spy, write and jump for you
+@node Completion and error handling, Autodoc and friends, Switching context, The REPL
+@section Completion and error handling
@cindex completion, module name
We've already seen Geiser completion of module names in action at the
@@ -132,7 +133,19 @@ starting with the prefix at point. Needless to say, this is not a static
list, and it will grow as you define or import new bindings in the
namespace at hand.
-But, oftentimes, there's more you'll want to know about an identifier
+REPL buffers use Emacs' compilation mode to highlight errors reported by
+the Scheme interpreter, and you can use the @command{next-error} command
+(@kbd{M-g n}) to jump to their location. By default, every time you
+enter a new expression for evaluation old error messages are forgotten,
+so that @kbd{M-g n} will always jump to errors related to the last
+evaluation request, if any. If you prefer a not so forgetful REPL, set
+the customization variable @code{geiser-repl-forget-old-errors-p} to
+@code{nil}.
+
+@node Autodoc and friends, Customization and tips, Completion and error handling, The REPL
+@section Autodoc and friends
+
+Oftentimes, there's more you'll want to know about an identifier
besides its name: what module does it belong to? is it a procedure and,
if so, what arguments does it take? Geiser tries to help you answering
those questions too.
@@ -187,7 +200,7 @@ sections (but just perusing it's associated key bindings, by any of the
methods we've already used for the @repl{}, will give you enough
information to use it effectively enough).
-@node Customization and tips, , Let Geiser spy, The REPL
+@node Customization and tips, , Autodoc and friends, The REPL
@section Customization and tips
@cindex REPL customization
@@ -227,6 +240,8 @@ full path to the requisite binary.
@cindex scheme load path
@cindex scheme init file
+@cindex GUILE_LOAD_PATH
+@cindex PLTCOLLECTS
You can also specify a couple more initialisation parameters. For Guile,
@code{geiser-guile-load-path} is a list of paths to add to its load path
when it's started, while @code{geiser-guile-init-file} is the path to an
diff --git a/elisp/geiser-guile.el b/elisp/geiser-guile.el
index 8d8c4f3..6086dd8 100644
--- a/elisp/geiser-guile.el
+++ b/elisp/geiser-guile.el
@@ -18,6 +18,8 @@
(require 'geiser-edit)
(require 'geiser)
+(require 'compile)
+
;;; Customization:
@@ -125,6 +127,7 @@ This function uses `geiser-guile-init-file' if it exists."
(when (eq key 'geiser-debugger)
(let ((bt-cmd (format ",%s\n"
(if geiser-guile-debug-show-bt-p "bt" "fr"))))
+ (compilation-forget-errors)
(goto-char (point-max))
(comint-send-string nil "((@ (geiser emacs) ge:newline))\n")
(comint-send-string nil ",error-message\n")
diff --git a/elisp/geiser-repl.el b/elisp/geiser-repl.el
index dd85808..b8bb86d 100644
--- a/elisp/geiser-repl.el
+++ b/elisp/geiser-repl.el
@@ -79,6 +79,16 @@ implementation name gets appended to it."
:type 'boolean
:group 'geiser-repl)
+(geiser-custom--defcustom geiser-repl-forget-old-errors-p t
+ "Whether to forget old errors upon entering a new expression.
+
+When on (the default), every time a new expression is entered in
+the REPL old error messages are flushed, and using [[next-error]]
+afterwards will jump only to error locations produced by the new
+expression, if any."
+ :type 'boolean
+ :group 'geiser-repl)
+
;;; Geiser REPL buffers and processes:
@@ -402,6 +412,9 @@ module command as a string")
(pmark (and proc (process-mark proc)))
(intxt (and pmark (buffer-substring pmark (point)))))
(when intxt
+ (when (and geiser-repl-forget-old-errors-p
+ (not (geiser-con--is-debugging)))
+ (compilation-forget-errors))
(comint-send-input)
(when (string-match "^\\s-*$" intxt)
(comint-send-string proc