From 9c2e14cc8a64b62f0ee607ec924ce76a4f2a04ac Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Tue, 12 Apr 2016 22:34:23 -0700
Subject: Move ninja helpers to ninja.rc

---
 gen.rc   |  91 ------------------------------------------
 ninja.rc | 137 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 setup.rc |  41 +------------------
 3 files changed, 138 insertions(+), 131 deletions(-)
 create mode 100644 ninja.rc

diff --git a/gen.rc b/gen.rc
index 03385ce5..5a153d99 100644
--- a/gen.rc
+++ b/gen.rc
@@ -1,94 +1,3 @@
-fn stamp {
-	build '$outdir/stamp' stamp '$outdir'/$*
-}
-
-fn cflags {
-	set cflags '$cflags' $*
-}
-
-fn cc {
-	src=$1 obj=$src.o {
-		shift
-		if(! ~ $src '$'*) {
-			src='$srcdir'/src/$src
-			obj='$outdir'/$obj
-		}
-		build $obj cc $src $*
-	}
-}
-
-fn link {
-	out='$outdir'/$1 objs=() {
-		shift
-		for(obj in $*) {
-			if(! ~ $obj '$'*) obj='$outdir'/$obj
-			objs=( $objs $obj )
-		}
-		build $out link $objs
-	}
-}
-
-fn ar {
-	out='$outdir'/$1 objs=() {
-		shift
-		for(obj in $*) {
-			if(! ~ $obj '$'*) obj='$outdir'/$obj
-			objs=( $objs $obj )
-		}
-		build $out ar $objs
-	}
-}
-
-fn static_lib {
-	out=$1 {
-		shift
-		for(src) cc $src
-		ar $out $*.o
-	}
-}
-
-fn exe {
-	out=$1 objs=() {
-		shift
-		for(src) {
-			if(~ $src *.c) {
-				cc $src
-				obj=$src.o
-			}
-			if not obj=$src
-			objs=( $objs $obj )
-		}
-		link $out $objs
-	}
-}
-
-fn yacc {
-	outs='$outdir'/$1.tab.^( c h ) {
-		let yaccflags '-d -b '$1 -- build $"outs yacc $2
-	}
-}
-
-fn file {
-	out='$hash_root'/$1
-	let args 100$3' '$1 --\
-		build $out githash $2 '|' '$repo.stamp' '$root_srcdir/scripts/hash.rc'
-	root_inputs=( $root_inputs $out )
-
-	if(! ~ $3 755 644) root_perms=( $root_perms 100$3' '$1 )
-	status=()
-}
-
-fn dir {
-	root_perms=( $root_perms '010'$2' '$1 )
-}
-
-fn sym {
-	out='$hash_root'/$1
-	let args 120000' '$1' '$2 --\
-		build $out githash '| $repo.stamp' '$root_srcdir/scripts/hash.rc'
-	root_inputs=( $root_inputs $out )
-}
-
 root_inputs=()
 root_perms=()
 
diff --git a/ninja.rc b/ninja.rc
new file mode 100644
index 00000000..13d83ec1
--- /dev/null
+++ b/ninja.rc
@@ -0,0 +1,137 @@
+# ninja constructs
+
+fn set {
+	var=$1 {
+		shift
+		printf '%s = %s\n' $var $"*
+	}
+}
+
+fn let {
+	vars=() {
+		while(! ~ $1 --) {
+			vars=( $vars $1' = '$2 )
+			shift 2
+		}
+		shift
+		$*
+		printf '  %s\n' $vars
+	}
+}
+
+fn subninja {
+	echo subninja $*
+}
+
+fn include {
+	echo include $*
+}
+
+fn rule {
+	name=$1 {
+		shift
+		let command $"* -- echo rule $name
+	}
+}
+
+fn build {
+	out=$1 rule=$2 {
+		shift 2
+		echo build $out: $rule $*
+	}
+}
+
+# higher-level rules
+
+fn stamp {
+	build '$outdir/stamp' stamp '$outdir'/$*
+}
+
+fn cflags {
+	set cflags '$cflags' $*
+}
+
+fn cc {
+	src=$1 obj=$src.o {
+		shift
+		if(! ~ $src '$'*) {
+			src='$srcdir'/src/$src
+			obj='$outdir'/$obj
+		}
+		build $obj cc $src $*
+	}
+}
+
+fn link {
+	out='$outdir'/$1 objs=() {
+		shift
+		for(obj in $*) {
+			if(! ~ $obj '$'*) obj='$outdir'/$obj
+			objs=( $objs $obj )
+		}
+		build $out link $objs
+	}
+}
+
+fn ar {
+	out='$outdir'/$1 objs=() {
+		shift
+		for(obj in $*) {
+			if(! ~ $obj '$'*) obj='$outdir'/$obj
+			objs=( $objs $obj )
+		}
+		build $out ar $objs
+	}
+}
+
+fn static_lib {
+	out=$1 {
+		shift
+		for(src) cc $src
+		ar $out $*.o
+	}
+}
+
+fn exe {
+	out=$1 objs=() {
+		shift
+		for(src) {
+			if(~ $src *.c) {
+				cc $src
+				obj=$src.o
+			}
+			if not obj=$src
+			objs=( $objs $obj )
+		}
+		link $out $objs
+	}
+}
+
+fn yacc {
+	outs='$outdir'/$1.tab.^( c h ) {
+		let yaccflags '-d -b '$1 -- build $"outs yacc $2
+	}
+}
+
+# packaging rules
+
+fn file {
+	out='$repo.hash'/$1
+	let args 100$3' '$1 --\
+		build $out githash $2 '|' '$repo.stamp' '$root_srcdir/scripts/hash.rc'
+	root_inputs=( $root_inputs $out )
+
+	if(! ~ $3 755 644) root_perms=( $root_perms 100$3' '$1 )
+	status=()
+}
+
+fn dir {
+	root_perms=( $root_perms '010'$2' '$1 )
+}
+
+fn sym {
+	out='$repo.hash'/$1
+	let args 120000' '$1' '$2 --\
+		build $out githash '| $repo.stamp' '$root_srcdir/scripts/hash.rc'
+	root_inputs=( $root_inputs $out )
+}
diff --git a/setup.rc b/setup.rc
index a77100c0..cb58eec6 100755
--- a/setup.rc
+++ b/setup.rc
@@ -42,46 +42,7 @@ root_outdir=$abs_outdir
 setup_outs=( build.ninja )
 setup_ins=()
 
-fn set {
-	var=$1 {
-		shift
-		printf '%s = %s\n' $var $"*
-	}
-}
-
-fn let {
-	vars=() {
-		while(! ~ $1 --) {
-			vars=( $vars $1' = '$2 )
-			shift 2
-		}
-		shift
-		$*
-		printf '  %s\n' $vars
-	}
-}
-
-fn subninja {
-	echo subninja $*
-}
-
-fn include {
-	echo include $*
-}
-
-fn rule {
-	name=$1 {
-		shift
-		let command $"* -- echo rule $name
-	}
-}
-
-fn build {
-	out=$1 rule=$2 {
-		shift 2
-		echo build $out: $rule $*
-	}
-}
+. ./ninja.rc
 
 fn subgen {
 	olddir=$dir
-- 
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