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authortv <tv@nomic.retiolum>2013-11-06 00:44:26 +0100
committertv <tv@nomic.retiolum>2013-11-06 00:44:26 +0100
commit00c0f7dee4811a4df04a5f89e68fd7cada541765 (patch)
tree229658dfb0c6ebe859e920fdf1df3ca42238670d /ship
parent415dc4f5f4a83af5f8a416fd1ce6de1031f9d836 (diff)
ship build: export debug=true for debug output
Diffstat (limited to 'ship')
-rwxr-xr-xship/build21
1 files changed, 19 insertions, 2 deletions
diff --git a/ship/build b/ship/build
index 916953cc..31f45061 100755
--- a/ship/build
+++ b/ship/build
@@ -2,8 +2,8 @@
set -euf
## SYNOPSIS
-# build compile SRCFILE DSTFILE
-# build deps SRCFILE
+# [debug=true] build compile SRCFILE DSTFILE
+# [debug=true] build deps SRCFILE
build() {
case "$1" in
compile) build_compile "$2" "$3";;
@@ -12,6 +12,16 @@ build() {
esac
}
+# usage: debug_script VARNAME [DESCRIPTION]
+debug_script() {
+ if test "${debug-false}" = true; then
+ printf '====== %s%s\n%s\n' \
+ "$1" \
+ "${2+" ($2)"}" \
+ "$(eval echo \"\$$1\" | nl -b a)" >&2
+ fi
+}
+
## build directives
build_info_directive='#@info'
build_include_directive='#@include \([0-9A-Za-z]\+\)'
@@ -21,6 +31,7 @@ s:^ *\([0-9]\+\) "$build_info_directive"$:build_info \1:
s:^ *\([0-9]\+\) "$build_include_directive"$:build_include \1 \2:
t
s:^ *\([0-9]\+\) .*:echo \1p:"
+debug_script input_parser
## usage: build_include LINENO LIBNAME
build_include() { cat<<EOF
@@ -44,10 +55,12 @@ EOF
## usage: build_compile SRCFILE DSTFILE
build_compile() {
srcfile="$(cat "$1")"
+ debug_script srcfile 'SRCFILE'
while needs_compilation "$srcfile"; do
script="$(make_sedscript_maker_shellscript "$srcfile")"
srcfile="$(echo "$srcfile" | sed -n "$script")"
+ debug_script srcfile 'sed sedscript srcfile'
done
echo "$srcfile" > "$2"
@@ -66,7 +79,11 @@ needs_compilation() {
# directives in SRCFILE.
make_sedscript_maker_shellscript() {
sedscript_generator="$(echo "$1" | nl -b a -s ' ' | sed "$input_parser")"
+ debug_script sedscript_generator 'sed input_parser srcfile'
+
sedscript="$(eval "$sedscript_generator")"
+ debug_script sedscript 'eval sedscript_generator'
+
echo "$sedscript"
}