ncurses 6.1 - patch 20191005
[ncurses.git] / ncurses / base / MKlib_gen.sh
index 12a83e049680d88cd9a3e964ef082076c695c0db..a1587c42445225a7557f9c3f36d3afdc34d7119b 100755 (executable)
@@ -2,10 +2,10 @@
 #
 # MKlib_gen.sh -- generate sources from curses.h macro definitions
 #
-# ($Id: MKlib_gen.sh,v 1.40 2010/03/30 22:42:16 tom Exp $)
+# ($Id: MKlib_gen.sh,v 1.62 2018/06/09 19:27:00 tom Exp $)
 #
 ##############################################################################
-# Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.                #
+# Copyright (c) 1998-2017,2018 Free Software Foundation, Inc.                #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -62,10 +62,27 @@ if test "${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 +91,7 @@ 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 +99,7 @@ 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 +178,7 @@ 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
@@ -200,6 +219,7 @@ $0 !~ /^P_/ {
                }
        }
        second = first + 1;
+       returnCast = "";
        if ( $first == "chtype" ) {
                returnType = "Chtype";
        } else if ( $first == "SCREEN" ) {
@@ -207,11 +227,12 @@ $0 !~ /^P_/ {
        } else if ( $first == "WINDOW" ) {
                returnType = "Win";
        } else if ( $first == "attr_t" || $second == "attrset" || $second == "standout" || $second == "standend" || $second == "wattrset" || $second == "wstandout" || $second == "wstandend" ) {
-               returnType = "Attr";
+               returnType = "IntAttr";
+               returnCast = "(attr_t)";
        } else if ( $first == "bool" || $first == "NCURSES_BOOL" ) {
                returnType = "Bool";
        } else if ( $second == "*" ) {
-               returnType = "Ptr";
+               returnType = ($1 == "NCURSES_CONST") ? "CPtr" : "Ptr";
        } else {
                returnType = "Code";
        }
@@ -222,6 +243,9 @@ $0 !~ /^P_/ {
                        break;
                }
        }
+       if (using == "implemented") {
+               printf "#undef %s\n", $myfunc;
+       }
        print $0;
        print "{";
        argcount = 1;
@@ -254,6 +278,11 @@ $0 !~ /^P_/ {
                dotrace = 0;
        }
 
+       do_getstr = 0;
+       if ($myfunc ~ /get[n]?str/) {
+               do_getstr = 1;
+       }
+
        call = "@@T((T_CALLED(\""
        args = ""
        comma = ""
@@ -264,31 +293,37 @@ $0 !~ /^P_/ {
        argtype = ""
        for (i = myfunc; i <= NF; i++) {
                ch = $i;
-               if ( ch == "*" )
+               if ( ch == "*" ) {
                        pointer = 1;
-               else if ( ch == "va_list" )
+               } else if ( ch == "va_list" ) {
                        va_list = 1;
-               else if ( ch == "..." )
+               } else if ( ch == "..." ) {
                        varargs = 1;
-               else if ( ch == "char" )
+               } else if ( ch == "char" ) {
                        argtype = "char";
-               else if ( ch == "int" )
+               } else if ( ch == "int" ) {
                        argtype = "int";
-               else if ( ch == "short" )
+               } else if ( ch == "short" ) {
                        argtype = "short";
-               else if ( ch == "chtype" )
+               } else if ( ch == "chtype" ) {
                        argtype = "chtype";
-               else if ( ch == "attr_t" || ch == "NCURSES_ATTR_T" )
+               } else if ( ch == "attr_t" || ch == "NCURSES_ATTR_T" ) {
                        argtype = "attr";
+               }
 
                if ( ch == "," || ch == ")" ) {
+                       argcast = "";
                        if (va_list) {
                                call = call "%s"
                        } else if (varargs) {
                                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 {
@@ -302,6 +337,9 @@ $0 !~ /^P_/ {
                                } else if ( argtype != "" ) {
                                        call = call "%s"
                                        comma = comma "_trace" argtype "2(" num ","
+                                       if (argtype == "attr") {
+                                               argcast = "(chtype)";
+                                       }
                                } else {
                                        call = call "%#lx"
                                        comma = comma "(long)"
@@ -315,7 +353,7 @@ $0 !~ /^P_/ {
                                } else if ( varargs ) {
                                        args = args comma "\"...\""
                                } else {
-                                       args = args comma "z"
+                                       args = args comma argcast "z"
                                }
                        }
                        call = call ch
@@ -335,14 +373,18 @@ $0 !~ /^P_/ {
        call = call ")); "
 
        if (dotrace)
-               printf "%s", call
+               printf "%s\n\t@@", call
 
-       if (match($0, "^void"))
+       if (match($0, "^void")) {
                call = ""
-       else if (dotrace)
+       } else if (dotrace) {
                call = sprintf("return%s( ", returnType);
-       else
+               if (returnCast != "") {
+                       call = call returnCast;
+               }
+       } else {
                call = "@@return ";
+       }
 
        call = call $myfunc "(";
        for (i = 1; i < argcount; i++) {
@@ -357,8 +399,9 @@ $0 !~ /^P_/ {
        }
        if (!match($0, "^void"))
                call = call ") ";
-       if (dotrace)
+       if (dotrace) {
                call = call ")";
+       }
        print call ";"
 
        if (match($0, "^void"))
@@ -369,9 +412,10 @@ 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 ( "$USE" == "generated" ) {
                        print " *"
                        print " * This is a file of trivial functions generated from macro"
@@ -391,17 +435,47 @@ BEGIN             {
                print ""
                print "#include <curses.priv.h>"
                print ""
-               print "#undef vw_scanw"
-               print "#undef vwscanw"
-               print ""
-               print "#undef vw_printw"
-               print "#undef vwprintw"
                }
 /^DECLARATIONS/        {start = 1; next;}
-               {if (start) print \$0;}
+               {
+               if (start) {
+                       if ( "$USE" == "generated" ) {
+                               print \$0;
+                       } else if ( \$0 ~ /^[{}]?\$/ ) {
+                               print \$0;
+                       } else if ( \$0 ~ /;/ ) {
+                               print \$0;
+                       } else {
+                               calls[start] = \$0;
+                               print \$0;
+                               start++;
+                       }
+               }
+               }
 END            {
                if ( "$USE" != "generated" ) {
-                       print "int main(void) { return 0; }"
+                       print "int main(void)"
+                       print "{"
+                       for (n = 1; n < start; ++n) {
+                               value = calls[n];
+                               if ( value !~ /P_POUNDC/ ) {
+                                       gsub(/[ \t]+/," ",value);
+                                       sub(/^[0-9a-zA-Z_]+ /,"",value);
+                                       sub(/^\* /,"",value);
+                                       gsub(/[0-9a-zA-Z_]+ \* /,"",value);
+                                       gsub(/ (const) /," ",value);
+                                       gsub(/ (int|short|attr_t|chtype|wchar_t|NCURSES_BOOL|NCURSES_OUTC|NCURSES_OUTC_sp|va_list) /," ",value);
+                                       gsub(/ void /,"",value);
+                                       sub(/^/,"call_",value);
+                                       gsub(/ (a[0-9]|z) /, " 0 ", value);
+                                       gsub(/ int[ \t]*[(][^)]+[)][(][^)]+[)]/, "0", value);
+                                       printf "\t%s;\n", value;
+                               } else {
+                                       print value;
+                               }
+                       }
+                       print " return 0;"
+                       print "}"
                }
                }
 EOF1
@@ -410,6 +484,8 @@ cat >$TMP <<EOF
 #include <ncurses_cfg.h>
 #undef NCURSES_NOMACROS
 #include <curses.h>
+#include <term.h>
+#include <unctrl.h>
 
 DECLARATIONS