shake

commit a0dd193ed9246ea8069769afa619d119d2a8be5e
parent be28ad60ce28d10b34e2ec35b302b49f881a31c9
Author: Jul <jul@9o.is>
Date:   Thu, 12 Mar 2026 19:58:16 +0800

introduce awk script

Diffstat:
M
shake
 | 
18
+++++++++---------
A
shakeout.awk
 | 
39
+++++++++++++++++++++++++++++++++++++++

2 files changed, 48 insertions(+), 9 deletions(-)
diff --git a/shake b/shake
@@ -83,7 +83,7 @@ shakeout() {
 	_f=$3
 	if [ ! "$TARGET" ] || [ $TARGET = "$1" ]; then
 		printf '' >$_f.tmp
-		$(type -P cat) >$_f.tmp
+		$(type -P awk) -f $SHAKE_LIB/shakeout.awk >$_f.tmp
 		if cmp -s $_f.tmp $_f; then
 			rm -f $_f.tmp
 		else
@@ -95,7 +95,7 @@ shakeout() {
 }
 
 sub() {
-	printf 'subninja $dir/%s.ninja\n' "$1"
+	printf 'shake:subninja $dir/%s.ninja\n' "$1"
 	{
 		[ "${2-}" ] && eval "$2 $1"
 		$1
@@ -104,7 +104,7 @@ sub() {
 }
 
 shake() {
-	printf 'subninja $dir/%s/%s.ninja\n' "$1" "$NINJA_FN"
+	printf 'shake:subninja $dir/%s/%s.ninja\n' "$1" "$NINJA_FN"
 	NINJA_FILES="$NINJA_FILES $dir/$1/ninja"
 
 	if in_target_route $1; then
@@ -130,7 +130,7 @@ var() {
 	_v1=$1
 	shift
 	inline _vs $*
-	printf '%s = %s\n' "$_v1" "$_vs"
+	printf 'shake:var %s %s\n' "$_v1" "$_vs"
 	eval "$_v1='\$$_v1'"
 }
 
@@ -138,7 +138,7 @@ bind() {
 	_v1=$1
 	shift
 	inline _vs $*
-	printf '    %s = %s\n' "$_v1" "$_vs"
+	printf 'shake:bind %s %s\n' "$_v1" "$_vs"
 }
 
 build() {
@@ -147,7 +147,7 @@ build() {
 	shift 2
 	prefix _vs $dir $*
 	build_parse $_vs
-	printf 'build %s: %s %s %s %s\n' "$_v2" "$_v1" "$_vs" "$_vd" "$_vo"
+	printf 'shake:build %s: %s %s %s %s\n' "$_v2" "$_v1" "$_vs" "$_vd" "$_vo"
 }
 
 build_parse() {
@@ -174,7 +174,7 @@ rule() {
 	_rule=$1
 	_cmd="$2"
 
-	printf 'rule %s\n' "$_rule"
+	printf 'shake:rule %s\n' "$_rule"
 	bind command "$_cmd"
 
 	_d=
@@ -189,13 +189,13 @@ rule() {
 
 default() {
 	prefix _v $dir $1
-	printf 'default %s\n' "$_v"
+	printf 'shake:default %s\n' "$_v"
 }
 
 phony() {
 	prefix _v $dir $1
 	shift
-	printf 'build %s: phony %s\n' "$_v" "$*"
+	printf 'shake:build %s: phony %s\n' "$_v" "$*"
 }
 
 prefix() {
diff --git a/shakeout.awk b/shakeout.awk
@@ -0,0 +1,39 @@
+function print_tail(start, i) {
+	for(i=start; i<=NF; i++) {
+		printf " %s", $i
+	}
+}
+
+/^shake:build / {
+	printf "\nbuild %s", $2
+	print_tail(3)
+	next
+}
+
+/^shake:var / {
+	printf "\n%s =", $2
+	print_tail(3)
+	next
+}
+
+/^shake:bind / {
+	printf "\n    %s =", $2
+	print_tail(3)
+	next
+}
+
+/^shake:default / {
+	printf "\ndefault %s", $2
+	print_tail(3)
+	next
+}
+
+/^shake:(rule|subninja) / {
+	split($1, parts, ":")
+	printf "\n%s %s", parts[2], $2
+	next
+}
+
+END {
+	print ""
+}