summary refs log tree commit diff stats
path: root/commands/account/delete.go
diff options
context:
space:
mode:
authorKevin Kuehler <keur@ocf.berkeley.edu>2019-06-01 22:15:04 -0700
committerDrew DeVault <sir@cmpwn.com>2019-06-02 10:16:29 -0400
commit753adb90692e4821f8caea1d5d86cd69e312efa7 (patch)
tree79f7563e0ef68264b12244160b3274b678875624 /commands/account/delete.go
parent2be985fecb0d76e8fa7cdc46c8de92b6caab9552 (diff)
downloadaerc-753adb90692e4821f8caea1d5d86cd69e312efa7.tar.gz
widget: Add ProvidesMessage interface
Consists of 3 functions
* Store: Access to MessageStore type
* SelectedAccount: Access to Account widget that the target widget
belongs to
* SelectedMessage: Current message (selected in msglist or the one we
are viewing)

Signed-off-by: Kevin Kuehler <keur@ocf.berkeley.edu>
Diffstat (limited to 'commands/account/delete.go')
-rw-r--r--commands/account/delete.go39
1 files changed, 0 insertions, 39 deletions
diff --git a/commands/account/delete.go b/commands/account/delete.go
deleted file mode 100644
index 65d6eb9..0000000
--- a/commands/account/delete.go
+++ /dev/null
@@ -1,39 +0,0 @@
-package account
-
-import (
-	"errors"
-	"time"
-
-	"github.com/gdamore/tcell"
-
-	"git.sr.ht/~sircmpwn/aerc/widgets"
-	"git.sr.ht/~sircmpwn/aerc/worker/types"
-)
-
-func init() {
-	register("delete", DeleteMessage)
-	register("delete-message", DeleteMessage)
-}
-
-func DeleteMessage(aerc *widgets.Aerc, args []string) error {
-	if len(args) != 1 {
-		return errors.New("Usage: :delete")
-	}
-	acct := aerc.SelectedAccount()
-	if acct == nil {
-		return errors.New("No account selected")
-	}
-	store := acct.Messages().Store()
-	msg := acct.Messages().Selected()
-	acct.Messages().Next()
-	store.Delete([]uint32{msg.Uid}, func(msg types.WorkerMessage) {
-		switch msg := msg.(type) {
-		case *types.Done:
-			aerc.PushStatus("Messages deleted.", 10*time.Second)
-		case *types.Error:
-			aerc.PushStatus(" "+msg.Error.Error(), 10*time.Second).
-				Color(tcell.ColorDefault, tcell.ColorRed)
-		}
-	})
-	return nil
-}
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-02-07 07:18:23 +0000
# Helper to check an array's bounds, and to abort if they're violated.
# Really only intended to be called from code generated by mu.subx.

== code

__check-mu-array-bounds:  # index: int, elem-size: int, arr-size: int, function-name: (addr array byte), array-name: (addr array byte)
    # . prologue
    55/push-ebp
    89/<- %ebp 4/r32/esp
    # . save registers
    50/push-eax
    51/push-ecx
    52/push-edx
    # . not bothering saving ebx; it's only clobbered if we're going to abort
    # ecx = arr-size
    8b/-> *(ebp+0x10) 1/r32/ecx
    # var overflow/edx: int = 0
    ba/copy-to-edx 0/imm32
    # var offset/eax: int = index * elem-size
    8b/-> *(ebp+8) 0/r32/eax
    f7 4/subop/multiply-eax-with *(ebp+0xc)
    # check for overflow
    81 7/subop/compare %edx 0/imm32
    0f 85/jump-if-!= __check-mu-array-bounds:overflow/disp32
    # check bounds
    39/compare %eax 1/r32/ecx
    0f 82/jump-if-unsigned< $__check-mu-array-bounds:end/disp32  # negative index should always abort
    # abort if necessary
    (write-buffered Stderr "fn ")
    (write-buffered Stderr *(ebp+0x14))
    (write-buffered Stderr ": offset ")
    (write-int32-hex-buffered Stderr %eax)
    (write-buffered Stderr " is too large for array '")
    (write-buffered Stderr *(ebp+0x18))
    (write-buffered Stderr "'\n")
    (flush Stderr)
    # exit(1)
    bb/copy-to-ebx 1/imm32
    e8/call syscall_exit/disp32
    # never gets here
$__check-mu-array-bounds:end:
    # . restore registers
    5a/pop-to-edx
    59/pop-to-ecx
    58/pop-to-eax
    # . epilogue
    89/<- %esp 5/r32/ebp
    5d/pop-to-ebp
    c3/return

__check-mu-array-bounds:overflow:
    # "fn " function-name ": offset to array '" array-name "' overflowed 32 bits\n"
    (write-buffered Stderr "fn ")
    (write-buffered Stderr *(ebp+0x14))
    (write-buffered Stderr ": offset to array '")
    (write-buffered Stderr *(ebp+0x18))
    (write-buffered Stderr "' overflowed 32 bits\n")
    (flush Stderr)
    # exit(1)
    bb/copy-to-ebx 1/imm32
    e8/call syscall_exit/disp32
    # never gets here

# potential alternative

#? __bounds-check:  # msg: (addr array byte)
#?   (write-buffered Stderr "abort: array bounds exceeded in fn ")
#?   8b/-> *(esp+4) 0/r32/eax  # we're going to abort, so just clobber away
#?   (write-buffered Stderr %eax)
#?   (write-buffered Stderr Newline)
#?   # exit(1)
#?   bb/copy-to-ebx 1/imm32
#?   e8/call syscall_exit/disp32

# to be called as follows:
#   var/reg <- index arr/rega: (addr array T), idx/regi: int
#     | if size-of(T) is 1, 2, 4 or 8
#         => # temporarily save array size to reg to check bounds
#            "8b/-> *" rega " " reg "/r32"
#            "c1/shift 5/subop/right %" reg " " log2(size-of(T)) "/imm32"
#            "3b/compare " reg "/r32 *" rega
#            "68/push \"" function "\"/imm32"  # pass function name to error message
#            "0f 8d/jump-if->= __bounds_check/disp32"
#            "81 0/subop/add %esp 4/imm32"  # drop function name
#            # actually save the index addr in reg
#            "8d/copy-address *(" rega "+" regi "<<" log2(size-of(T)) "+4) " reg "/r32"

__mu-abort-null-index-base-address:
    (write-buffered Stderr "null address in 'index'\n")
    (flush Stderr)
    # exit(1)
    bb/copy-to-ebx 1/imm32
    e8/call syscall_exit/disp32
    # never gets here

__mu-abort-null-get-base-address:
    (write-buffered Stderr "null address in 'get'\n")
    (flush Stderr)
    # exit(1)
    bb/copy-to-ebx 1/imm32
    e8/call syscall_exit/disp32
    # never gets here