d760e35ebc
Combine script more robust and can output to a specified file. Initial buck files added (work in progress).
108 lines
2.3 KiB
Bash
Executable File
108 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# Tool to bundle multiple C/C++ source files, inlining any includes.
|
|
#
|
|
# TODO: ROOTS and FOUND as arrays (since they fail on paths with spaces)
|
|
|
|
# Common file roots
|
|
ROOTS="./"
|
|
|
|
# Files previously visited
|
|
FOUND=""
|
|
|
|
# Optional destination file (empty string to write to stdout)
|
|
DESTN=""
|
|
|
|
# Prints the script usage then exits
|
|
function usage {
|
|
echo "Usage: $0 [-r <path>] [-o <outfile>] infile"
|
|
echo " -r file root search paths"
|
|
echo " -o output file (otherwise stdout)"
|
|
echo "Example: $0 -r ../my/path - r ../other/path -o out.c in.c"
|
|
exit 1
|
|
}
|
|
|
|
# Tests if list $1 has item $2
|
|
function list_has_item {
|
|
local list="$1"
|
|
local item="$2"
|
|
if [[ $list =~ (^|[[:space:]]*)"$item"($|[[:space:]]*) ]]; then
|
|
return 0
|
|
fi
|
|
return 1
|
|
}
|
|
|
|
# Adds a new line with the supplied arguments to $DESTN (or stdout)
|
|
function write_line {
|
|
if [ -n "$DESTN" ]; then
|
|
printf "%s\n" "$@" >> "$DESTN"
|
|
else
|
|
printf "%s\n" "$@"
|
|
fi
|
|
}
|
|
|
|
# Adds the contents of $1 with any of its includes inlined
|
|
function add_file {
|
|
# Match the path
|
|
local file=
|
|
for root in $ROOTS; do
|
|
if test -f "$root/$1"; then
|
|
file="$root/$1"
|
|
fi
|
|
done
|
|
if [ -n "$file" ]; then
|
|
# Read the file
|
|
local line
|
|
while IFS= read -r line; do
|
|
if [[ $line =~ ^[[:space:]]*\#[[:space:]]*include[[:space:]]*\"(.*)\".* ]]; then
|
|
# We have an include directive
|
|
local inc=${BASH_REMATCH[1]}
|
|
if ! `list_has_item "$FOUND" "$inc"`; then
|
|
# And we've not previously encountered it
|
|
FOUND="$FOUND $inc"
|
|
write_line "/**** start inlining $inc ****/"
|
|
add_file "$inc"
|
|
write_line "/**** ended inlining $inc ****/"
|
|
else
|
|
write_line "/**** skipping file: $inc ****/"
|
|
fi
|
|
else
|
|
# Otherwise write the source line
|
|
write_line "$line"
|
|
fi
|
|
done < "$file"
|
|
else
|
|
write_line "#error Unable to find \"$1\""
|
|
fi
|
|
}
|
|
|
|
while getopts ":r:o:" opts; do
|
|
case $opts in
|
|
r)
|
|
ROOTS="$OPTARG $ROOTS"
|
|
;;
|
|
o)
|
|
DESTN="$OPTARG"
|
|
;;
|
|
*)
|
|
usage
|
|
;;
|
|
esac
|
|
done
|
|
shift $((OPTIND-1))
|
|
|
|
if [ -n "$1" ]; then
|
|
if [ -f "$1" ]; then
|
|
if [ -n "$DESTN" ]; then
|
|
printf "" > "$DESTN"
|
|
fi
|
|
add_file $1
|
|
else
|
|
echo "Input file not found: '$1'"
|
|
exit 1
|
|
fi
|
|
else
|
|
usage
|
|
fi
|
|
exit 0
|