1#!/bin/bash
2# Copyright 2012 the V8 project authors. All rights reserved.
3# Redistribution and use in source and binary forms, with or without
4# modification, are permitted provided that the following conditions are
5# met:
6#
7#     * Redistributions of source code must retain the above copyright
8#       notice, this list of conditions and the following disclaimer.
9#     * Redistributions in binary form must reproduce the above
10#       copyright notice, this list of conditions and the following
11#       disclaimer in the documentation and/or other materials provided
12#       with the distribution.
13#     * Neither the name of Google Inc. nor the names of its
14#       contributors may be used to endorse or promote products derived
15#       from this software without specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29# Inspired by and based on:
30# http://src.chromium.org/viewvc/chrome/trunk/src/tools/bash-completion
31
32# Flag completion rule for bash.
33# To load in your shell, "source path/to/this/file".
34
35v8_source=$(readlink -f $(dirname $BASH_SOURCE)/..)
36
37_v8_flag() {
38  local cur defines targets
39  cur="${COMP_WORDS[COMP_CWORD]}"
40  defines=$(cat $v8_source/src/flag-definitions.h \
41    | grep "^DEFINE" \
42    | grep -v "DEFINE_implication" \
43    | sed -e 's/_/-/g')
44  targets=$(echo "$defines" \
45    | sed -ne 's/^DEFINE-[^(]*(\([^,]*\).*/--\1/p'; \
46    echo "$defines" \
47    | sed -ne 's/^DEFINE-bool(\([^,]*\).*/--no\1/p'; \
48    cat $v8_source/src/d8.cc \
49    | grep "strcmp(argv\[i\]" \
50    | sed -ne 's/^[^"]*"--\([^"]*\)".*/--\1/p')
51  COMPREPLY=($(compgen -W "$targets" -- "$cur"))
52  return 0
53}
54
55complete -F _v8_flag -f d8
56