CVS commit: pkgsrc/mk/help

["Roland Illig" <rillig%netbsd.org@localhost>]

Module Name:    pkgsrc
Committed By:   rillig
Date:           Sun May  3 09:44:07 UTC 2020

Modified Files:
        pkgsrc/mk/help: help.awk

Log Message:
mk/help: make variable more precise

The word "ignore" was too unspecific.  There are lines that should be
printed, and there are lines that should be evaluated.


To generate a diff of this commit:
cvs rdiff -u -r1.37 -r1.38 pkgsrc/mk/help/help.awk

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: pkgsrc/mk/help/help.awk
diff -u pkgsrc/mk/help/help.awk:1.37 pkgsrc/mk/help/help.awk:1.38
--- pkgsrc/mk/help/help.awk:1.37        Sun May  3 09:06:59 2020
+++ pkgsrc/mk/help/help.awk     Sun May  3 09:44:07 2020
@@ -1,4 +1,4 @@
-# $NetBSD: help.awk,v 1.37 2020/05/03 09:06:59 rillig Exp $
+# $NetBSD: help.awk,v 1.38 2020/05/03 09:44:07 rillig Exp $
 #
 
 # This program extracts the inline documentation from *.mk files.
@@ -16,7 +16,7 @@ BEGIN {
 
        found_anything = no;    # has some help text been found at all?
        last_fname = "";
-       ignore_this_line = no;
+       print_this_line = yes;
        ignore_next_empty_line = no;
        ignore_this_section = no;
 
@@ -127,14 +127,14 @@ function array_is_empty(arr,   i, empty)
 }
 
 {
-       ignore_this_line = (ignore_next_empty_line && $0 == "#") || $0 == "";
+       print_this_line = $0 != "" && !(ignore_next_empty_line && $0 == "#");
        ignore_next_empty_line = no;
 }
 
 # There is no need to print the RCS Id, since the full pathname
 # is prefixed to the file contents.
 /^#.*\$.*\$$/ {
-       ignore_this_line = yes;
+       print_this_line = no;
        ignore_next_empty_line = yes;
 }
 
@@ -149,7 +149,7 @@ function array_is_empty(arr,   i, empty)
                keywords[w] = yes;
                dprint("Adding keyword \"" w "\"");
        }
-       ignore_this_line = yes;
+       print_this_line = no;
        ignore_next_empty_line = yes;
 }
 
@@ -170,7 +170,7 @@ $1 ~ /:$/ && $2 == ".PHONY" {
        end_of_topic();
 }
 
-(!ignore_this_line) {
+print_this_line {
        lines[nlines++] = $0;
 }