ncurses 6.2 - patch 20200502
[ncurses.git] / ncurses / base / MKlib_gen.sh
index c4319bf09f181bea993d2c5bf6e76611afdbf8ce..c54bdfd187bd2dfdbe833bc177c5b95fc1911b57 100755 (executable)
@@ -2,10 +2,11 @@
 #
 # MKlib_gen.sh -- generate sources from curses.h macro definitions
 #
-# ($Id: MKlib_gen.sh,v 1.42 2011/01/01 22:06:52 tom Exp $)
+# ($Id: MKlib_gen.sh,v 1.65 2020/04/04 20:56:30 tom Exp $)
 #
 ##############################################################################
-# Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.                #
+# Copyright 2018,2020 Thomas E. Dickey                                       #
+# Copyright 1998-2016,2017 Free Software Foundation, Inc.                    #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -62,10 +63,27 @@ if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
 if test "${LC_CTYPE+set}"    = set; then LC_CTYPE=C;    export LC_CTYPE;    fi
 if test "${LC_COLLATE+set}"  = set; then LC_COLLATE=C;  export LC_COLLATE;  fi
 
-preprocessor="$1 -DNCURSES_INTERNALS -I../include"
+preprocessor="$1 -DNCURSES_WATTR_MACROS -DNCURSES_INTERNALS -I../include"
 AWK="$2"
 USE="$3"
 
+# A patch discussed here:
+#      https://gcc.gnu.org/ml/gcc-patches/2014-06/msg02185.html
+# introduces spurious #line markers into the preprocessor output.  The result
+# appears in gcc 5.0 and (with modification) in 5.1, making it necessary to
+# determine if we are using gcc, and if so, what version because the proposed
+# solution uses a nonstandard option.
+PRG=`echo "$1" | $AWK '{ sub(/^[       ]*/,""); sub(/[         ].*$/, ""); print; }' || exit 0`
+FSF=`("$PRG" --version 2>/dev/null || exit 0) | fgrep "Free Software Foundation" | head -n 1`
+ALL=`"$PRG" -dumpversion 2>/dev/null || exit 0`
+ONE=`echo "$ALL" | sed -e 's/\..*$//'`
+if test -n "$FSF" && test -n "$ALL" && test -n "$ONE" ; then
+       if test $ONE -ge 5 ; then
+               echo ".. adding -P option to work around $PRG $ALL" >&2
+               preprocessor="$preprocessor -P"
+       fi
+fi
+
 PID=$$
 ED1=sed1_${PID}.sed
 ED2=sed2_${PID}.sed
@@ -74,7 +92,7 @@ ED4=sed4_${PID}.sed
 AW1=awk1_${PID}.awk
 AW2=awk2_${PID}.awk
 TMP=gen__${PID}.c
-trap "rm -f $ED1 $ED2 $ED3 $ED4 $AW1 $AW2 $TMP" 0 1 2 5 15
+trap "rm -f $ED1 $ED2 $ED3 $ED4 $AW1 $AW2 $TMP" 0 1 2 3 15
 
 ALL=$USE
 if test "$USE" = implemented ; then
@@ -82,6 +100,7 @@ if test "$USE" = implemented ; then
        cat >$ED1 <<EOF1
 /^extern.*implemented/{
        h
+       s/GCC_DEPRECATED([^)]*)//
        s/NCURSES_SP_NAME(\([^)]*\))/NCURSES_SP_NAME___\1/
        h
        s/^.*implemented:\([^   *]*\).*/P_POUNDCif_USE_\1_SUPPORT/p
@@ -160,6 +179,7 @@ EOF3
 if test "$USE" = generated ; then
 cat >$ED4 <<EOF
        s/^\(.*\) \(.*\) (\(.*\))\$/NCURSES_EXPORT(\1) (\2) (\3)/
+       /attr_[sg]et.* z)/s,z),z GCC_UNUSED),
 EOF
 else
 cat >$ED4 <<EOF
@@ -213,7 +233,7 @@ $0 !~ /^P_/ {
        } else if ( $first == "bool" || $first == "NCURSES_BOOL" ) {
                returnType = "Bool";
        } else if ( $second == "*" ) {
-               returnType = "Ptr";
+               returnType = ($1 == "NCURSES_CONST") ? "CPtr" : "Ptr";
        } else {
                returnType = "Code";
        }
@@ -224,6 +244,9 @@ $0 !~ /^P_/ {
                        break;
                }
        }
+       if (using == "implemented") {
+               printf "#undef %s\n", $myfunc;
+       }
        print $0;
        print "{";
        argcount = 1;
@@ -256,6 +279,11 @@ $0 !~ /^P_/ {
                dotrace = 0;
        }
 
+       do_getstr = 0;
+       if ($myfunc ~ /get[n]?str/) {
+               do_getstr = 1;
+       }
+
        call = "@@T((T_CALLED(\""
        args = ""
        comma = ""
@@ -292,7 +320,11 @@ $0 !~ /^P_/ {
                                call = call "%s"
                        } else if (pointer) {
                                if ( argtype == "char" ) {
-                                       call = call "%s"
+                                       if (do_getstr) {
+                                               call = call "%p"
+                                       } else {
+                                               call = call "%s"
+                                       }
                                        comma = comma "_nc_visbuf2(" num ","
                                        pointer = 0;
                                } else {
@@ -342,7 +374,7 @@ $0 !~ /^P_/ {
        call = call ")); "
 
        if (dotrace)
-               printf "%s", call
+               printf "%s\n\t@@", call
 
        if (match($0, "^void")) {
                call = ""
@@ -381,9 +413,10 @@ EOF1
 
 cat >$AW2 <<EOF1
 BEGIN          {
+               printf "/* This file was generated by $0 $USE */\n"
+               print ""
                print "/*"
                print " * DO NOT EDIT THIS FILE BY HAND!"
-               printf " * It is generated by $0 %s.\n", "$USE"
                if ( "$USE" == "generated" ) {
                        print " *"
                        print " * This is a file of trivial functions generated from macro"
@@ -400,20 +433,51 @@ BEGIN             {
                print "#include <ncurses_cfg.h>"
                print ""
                print "#undef NCURSES_NOMACROS  /* _this_ file uses macros */"
+               print "#define NCURSES_NOMACROS 1"
                print ""
                print "#include <curses.priv.h>"
                print ""
-               print "#undef vw_scanw"
-               print "#undef vwscanw"
-               print ""
-               print "#undef vw_printw"
-               print "#undef vwprintw"
                }
 /^DECLARATIONS/        {start = 1; next;}
-               {if (start) print \$0;}
+               {
+               if (start) {
+                       if ( "$USE" == "generated" ) {
+                               print \$0;
+                       } else if ( \$0 ~ /^[{}]?\$/ ) {
+                               print \$0;
+                       } else if ( \$0 ~ /;/ ) {
+                               print \$0;
+                       } else {
+                               calls[start] = \$0;
+                               print \$0;
+                               start++;
+                       }
+               }
+               }
 END            {
                if ( "$USE" != "generated" ) {
-                       print "int main(void) { return 0; }"
+                       print "int main(void)"
+                       print "{"
+                       for (n = 1; n < start; ++n) {
+                               value = calls[n];
+                               if ( value !~ /P_POUNDC/ ) {
+                                       gsub(/[ \t]+/," ",value);
+                                       sub(/^[0-9a-zA-Z_]+ /,"",value);
+                                       sub(/^\* /,"",value);
+                                       gsub(/[0-9a-zA-Z_]+ \* /,"",value);
+                                       gsub(/ (const) /," ",value);
+                                       gsub(/ (int|short|attr_t|chtype|wchar_t|NCURSES_BOOL|NCURSES_OUTC|NCURSES_OUTC_sp|va_list) /," ",value);
+                                       gsub(/ void /,"",value);
+                                       sub(/^/,"call_",value);
+                                       gsub(/ (a[0-9]|z) /, " 0 ", value);
+                                       gsub(/ int[ \t]*[(][^)]+[)][(][^)]+[)]/, "0", value);
+                                       printf "\t%s;\n", value;
+                               } else {
+                                       print value;
+                               }
+                       }
+                       print " return 0;"
+                       print "}"
                }
                }
 EOF1
@@ -422,6 +486,8 @@ cat >$TMP <<EOF
 #include <ncurses_cfg.h>
 #undef NCURSES_NOMACROS
 #include <curses.h>
+#include <term.h>
+#include <unctrl.h>
 
 DECLARATIONS