Initial revision

[wxWidgets.git] / src / regex / mkh

diff --git a/src/regex/mkh b/src/regex/mkh
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+++ b/src/regex/mkh
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+#! /bin/sh
+# mkh - pull headers out of C source
+PATH=/bin:/usr/bin ; export PATH
+
+# egrep pattern to pick out marked lines
+egrep='^ =([   ]|$)'
+
+# Sed program to process marked lines into lines for the header file.
+# The markers have already been removed.  Two things are done here:  removal
+# of backslashed newlines, and some fudging of comments.  The first is done
+# because -o needs to have prototypes on one line to strip them down.
+# Getting comments into the output is tricky; we turn C++-style // comments
+# into /* */ comments, after altering any existing */'s to avoid trouble.
+peel=' /\\$/N
+       /\\\n[  ]*/s///g
+       /\/\//s;\*/;* /;g
+       /\/\//s;//\(.*\);/*\1 */;'
+
+for a
+do
+       case "$a" in
+       -o)     # old (pre-function-prototype) compiler
+               # add code to comment out argument lists
+               peel="$peel
+                       "'/^\([^#\/][^\/]*[a-zA-Z0-9_)]\)(\(.*\))/s;;\1(/*\2*/);'
+               shift
+               ;;
+       -b)     # funny Berkeley __P macro
+               peel="$peel
+                       "'/^\([^#\/][^\/]*[a-zA-Z0-9_)]\)(\(.*\))/s;;\1 __P((\2));'
+               shift
+               ;;
+       -s)     # compiler doesn't like `static foo();'
+               # add code to get rid of the `static'
+               peel="$peel
+                       "'/^static[     ][^\/]*[a-zA-Z0-9_)](.*)/s;static.;;'
+               shift
+               ;;
+       -p)     # private declarations
+               egrep='^ ==([   ]|$)'
+               shift
+               ;;
+       -i)     # wrap in #ifndef, argument is name
+               ifndef="$2"
+               shift ; shift
+               ;;
+       *)      break
+               ;;
+       esac
+done
+
+if test " $ifndef" != " "
+then
+       echo "#ifndef $ifndef"
+       echo "#define   $ifndef /* never again */"
+fi
+echo "/* ========= begin header generated by $0 ========= */"
+echo '#ifdef __cplusplus'
+echo 'extern "C" {'
+echo '#endif'
+for f
+do
+       echo
+       echo "/* === $f === */"
+       egrep "$egrep" $f | sed 's/^ ==*[       ]//;s/^ ==*$//' | sed "$peel"
+       echo
+done
+echo '#ifdef __cplusplus'
+echo '}'
+echo '#endif'
+echo "/* ========= end header generated by $0 ========= */"
+if test " $ifndef" != " "
+then
+       echo "#endif"
+fi
+exit 0