cmake-parser: clean up

tools/cmake-parser.awk

@@ -133,6 +133,15 @@ function quoted_argument(    v, unescaped) {
 	return v
 }
 
+function finalize_quoted(expanded,    v) {
+	while (match(expanded, /\\./)) {
+		v = v substr(expanded, 1, RSTART - 1) \
+			substr(expanded, RSTART + 1, 1)
+		expanded = substr(expanded, RSTART + RLENGTH)
+	}
+	Args[++N] = v expanded
+}
+
 function unquoted_argument(    v, unescaped) {
 	while (1) {
 		if (match($0, /^[^[:space:]()#"\\]+/)) {
@@ -151,24 +160,7 @@ function unquoted_argument(    v, unescaped) {
 	}
 }
 
-# Note that we keep and reprocess some escape sequences in here.
+function finalize_unquoted(expanded,    v) {
-function argument(    arg, expanded, v) {
-	if (regexp("\\[=*\\[")) {
-		Args[++N] = unbracket(RLENGTH - 2)
-		return 1
-	}
-	if ((arg = quoted_argument()) || arg == "") {
-		expanded = expand(arg)
-		while (match(expanded, /\\./)) {
-			v = v substr(expanded, 1, RSTART - 1) \
-				substr(expanded, RSTART + 1, 1)
-			expanded = substr(expanded, RSTART + RLENGTH)
-		}
-		Args[++N] = v expanded
-		return 1
-	}
-	if ((arg = unquoted_argument())) {
-		expanded = expand(arg)
 	while (expanded) {
 		if (expanded ~ /^;/) {
 			if (v)
@@ -185,9 +177,19 @@ function argument(    arg, expanded, v) {
 	}
 	if (v)
 		Args[++N] = v
-		return 1
 }
+
+# We keep and reprocess some escape sequences in here.
+function argument(    arg, expanded, v) {
+	if (regexp("\\[=*\\["))
+		Args[++N] = unbracket(RLENGTH - 2)
+	else if ((arg = quoted_argument()) || arg == "")
+		finalize_quoted(expand(arg))
+	else if ((arg = unquoted_argument()))
+		finalize_unquoted(expand(arg))
+	else
 		return 0
+	return 1
 }
 
 # ------------------------------------------------------------------------------