ncurses 5.9 - patch 20110416
[ncurses.git] / ncurses / base / MKlib_gen.sh
index 7dcef086d7103cfdaf120dcbc7c6b69515bfaaad..66ae295c607cbbed974cc2d4cdff8f357ff460cc 100755 (executable)
@@ -2,10 +2,10 @@
 #
 # MKlib_gen.sh -- generate sources from curses.h macro definitions
 #
-# ($Id: MKlib_gen.sh,v 1.20 2002/09/28 15:02:11 tom Exp $)
+# ($Id: MKlib_gen.sh,v 1.43 2011/01/22 19:47:29 tom Exp $)
 #
 ##############################################################################
-# Copyright (c) 1998-2001,2002 Free Software Foundation, Inc.                #
+# Copyright (c) 1998-2010,2011 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"), #
 #
 # This script accepts a file of prototypes on standard input.  It discards
 # any that don't have a `generated' comment attached. It then parses each
-# prototype (relying on the fact that none of the macros take function 
+# prototype (relying on the fact that none of the macros take function
 # pointer or array arguments) and generates C source from it.
 #
 # Here is what the pipeline stages are doing:
 #
 # 1. sed: extract prototypes of generated functions
 # 2. sed: decorate prototypes with generated arguments a1. a2,...z
-# 3. awk: generate the calls with args matching the formals 
+# 3. awk: generate the calls with args matching the formals
 # 4. sed: prefix function names in prototypes so the preprocessor won't expand
 #         them.
 # 5. cpp: macro-expand the file so the macro calls turn into C calls
 # 6. awk: strip the expansion junk off the front and add the new header
-# 7. sed: squeeze spaces, strip off gen_ prefix, create needed #undef
+# 7. sed: squeeze spaces, strip off gen_ prefix.
 #
 
 # keep the editing independent of locale:
@@ -62,7 +62,7 @@ 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 -I../include"
+preprocessor="$1 -DNCURSES_INTERNALS -I../include"
 AWK="$2"
 USE="$3"
 
@@ -82,19 +82,21 @@ if test "$USE" = implemented ; then
        cat >$ED1 <<EOF1
 /^extern.*implemented/{
        h
-       s/^.*implemented:\([^   *]*\).*/P_#if_USE_\1_SUPPORT/p
+       s/NCURSES_SP_NAME(\([^)]*\))/NCURSES_SP_NAME___\1/
+       h
+       s/^.*implemented:\([^   *]*\).*/P_POUNDCif_USE_\1_SUPPORT/p
        g
        s/^extern \([^;]*\);.*/\1/p
        g
-       s/^.*implemented:\([^   *]*\).*/P_#endif/p
+       s/^.*implemented:\([^   *]*\).*/P_POUNDCendif/p
 }
 /^extern.*generated/{
        h
-       s/^.*generated:\([^     *]*\).*/P_#if_USE_\1_SUPPORT/p
+       s/^.*generated:\([^     *]*\).*/P_POUNDCif_USE_\1_SUPPORT/p
        g
        s/^extern \([^;]*\);.*/\1/p
        g
-       s/^.*generated:\([^     *]*\).*/P_#endif/p
+       s/^.*generated:\([^     *]*\).*/P_POUNDCendif/p
 }
 EOF1
 else
@@ -102,11 +104,11 @@ else
        cat >$ED1 <<EOF1
 /^extern.*${ALL}/{
        h
-       s/^.*${ALL}:\([^        *]*\).*/P_#if_USE_\1_SUPPORT/p
+       s/^.*${ALL}:\([^        *]*\).*/P_POUNDCif_USE_\1_SUPPORT/p
        g
        s/^extern \([^;]*\);.*/\1/p
        g
-       s/^.*${ALL}:\([^        *]*\).*/P_#endif/p
+       s/^.*${ALL}:\([^        *]*\).*/P_POUNDCendif/p
 }
 EOF1
 fi
@@ -134,13 +136,14 @@ cat >$ED2 <<EOF2
        s/)/ z)/
        s/\.\.\. z)/...)/
 :nc
-       /(/s// ( /
+       s/(/ ( /
        s/)/ )/
 EOF2
 
 cat >$ED3 <<EOF3
 /^P_/{
-       s/^P_#if_/#if /
+       s/^P_POUNDCif_/#if /
+       s/^P_POUNDCendif/#endif/
        s/^P_//
        b done
 }
@@ -150,14 +153,13 @@ cat >$ED3 <<EOF3
        s/( /(/g
        s/ )/)/g
        s/ gen_/ /
-       s/^M_/#undef /
-       /^%%/s//        /
+       s/^[    ]*@[    ]*@[    ]*/     /
 :done
 EOF3
 
 if test "$USE" = generated ; then
 cat >$ED4 <<EOF
-       s/^\(.*\) \(.*\) (\(.*\))\$/NCURSES_EXPORT(\1) \2 (\3)/
+       s/^\(.*\) \(.*\) (\(.*\))\$/NCURSES_EXPORT(\1) (\2) (\3)/
 EOF
 else
 cat >$ED4 <<EOF
@@ -168,6 +170,7 @@ cat >$ED4 <<EOF
        g
        s/^\(.*\) \(.*\) (\(.*\))\$/\1 call_\2 (\3)/
        }
+s/\([^_]\)NCURSES_SP_NAME___\([a-zA-Z][a-zA-Z_]*\)/\1NCURSES_SP_NAME(\2)/g
 EOF
 fi
 
@@ -175,12 +178,12 @@ cat >$AW1 <<\EOF1
 BEGIN  {
                skip=0;
        }
-/^P_#if/ {
+/^P_POUNDCif/ {
                print "\n"
                print $0
                skip=0;
 }
-/^P_#endif/ {
+/^P_POUNDCendif/ {
                print $0
                skip=1;
 }
@@ -197,14 +200,16 @@ $0 !~ /^P_/ {
                }
        }
        second = first + 1;
+       returnCast = "";
        if ( $first == "chtype" ) {
-               returnType = "Char";
+               returnType = "Chtype";
        } else if ( $first == "SCREEN" ) {
                returnType = "SP";
        } 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 == "*" ) {
@@ -219,9 +224,6 @@ $0 !~ /^P_/ {
                        break;
                }
        }
-       if (using == "generated") {
-               print "M_" $myfunc
-       }
        print $0;
        print "{";
        argcount = 1;
@@ -246,42 +248,57 @@ $0 !~ /^P_/ {
        if ($myfunc ~ /ripoffline/) {
                dotrace = 0;
                argcount = 2;
+               if ($myfunc ~ /NCURSES_SP_NAME/) {
+                       argcount = 3;
+               }
        }
        if ($myfunc ~ /wunctrl/) {
                dotrace = 0;
        }
 
-       call = "%%T((T_CALLED(\""
+       call = "@@T((T_CALLED(\""
        args = ""
        comma = ""
        num = 0;
        pointer = 0;
+       va_list = 0;
+       varargs = 0;
        argtype = ""
        for (i = myfunc; i <= NF; i++) {
                ch = $i;
-               if ( ch == "*" )
+               if ( ch == "*" ) {
                        pointer = 1;
-               else if ( ch == "va_list" )
-                       pointer = 1;
-               else if ( ch == "char" )
+               } else if ( ch == "va_list" ) {
+                       va_list = 1;
+               } else if ( ch == "..." ) {
+                       varargs = 1;
+               } 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 == ")" ) {
-                       if (pointer) {
+                       argcast = "";
+                       if (va_list) {
+                               call = call "%s"
+                       } else if (varargs) {
+                               call = call "%s"
+                       } else if (pointer) {
                                if ( argtype == "char" ) {
                                        call = call "%s"
                                        comma = comma "_nc_visbuf2(" num ","
                                        pointer = 0;
-                               } else
+                               } else {
                                        call = call "%p"
+                                       comma = comma "(const void *)"
+                               }
                        } else if (argcount != 0) {
                                if ( argtype == "int" || argtype == "short" ) {
                                        call = call "%d"
@@ -289,15 +306,25 @@ $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)"
                                }
                        }
-                       if (ch == ",")
+                       if (ch == ",") {
                                args = args comma "a" ++num;
-                       else if ( argcount != 0 && $check != "..." )
-                               args = args comma "z"
+                       } else if ( argcount != 0 ) {
+                               if ( va_list ) {
+                                       args = args comma "\"va_list\""
+                               } else if ( varargs ) {
+                                       args = args comma "\"...\""
+                               } else {
+                                       args = args comma argcast "z"
+                               }
+                       }
                        call = call ch
                        if (pointer == 0 && argcount != 0 && argtype != "" )
                                args = args ")"
@@ -306,7 +333,7 @@ $0 !~ /^P_/ {
                        pointer = 0;
                        argtype = ""
                }
-               if ( i == 2 || ch == "(" )
+               if ( i == myfunc || ch == "(" )
                        call = call ch
        }
        call = call "\")"
@@ -317,12 +344,16 @@ $0 !~ /^P_/ {
        if (dotrace)
                printf "%s", call
 
-       if (match($0, "^void"))
+       if (match($0, "^void")) {
                call = ""
-       else if (dotrace)
+       } else if (dotrace) {
                call = sprintf("return%s( ", returnType);
-       else
-               call = "%%return ";
+               if (returnCast != "") {
+                       call = call returnCast;
+               }
+       } else {
+               call = "@@return ";
+       }
 
        call = call $myfunc "(";
        for (i = 1; i < argcount; i++) {
@@ -337,12 +368,13 @@ $0 !~ /^P_/ {
        }
        if (!match($0, "^void"))
                call = call ") ";
-       if (dotrace)
+       if (dotrace) {
                call = call ")";
+       }
        print call ";"
 
        if (match($0, "^void"))
-               print "%%returnVoid;"
+               print "@@returnVoid;"
        print "}";
 }
 EOF1
@@ -364,8 +396,18 @@ BEGIN              {
                        print " * pull most of the rest of the library into your link image."
                }
                print " */"
+               print "#define NCURSES_ATTR_T int"
+               print "#include <ncurses_cfg.h>"
+               print ""
+               print "#undef NCURSES_NOMACROS  /* _this_ file uses macros */"
+               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;}
@@ -378,6 +420,7 @@ EOF1
 
 cat >$TMP <<EOF
 #include <ncurses_cfg.h>
+#undef NCURSES_NOMACROS
 #include <curses.h>
 
 DECLARATIONS
@@ -388,13 +431,24 @@ sed -n -f $ED1 \
 | sed -e 's/NCURSES_EXPORT(\(.*\)) \(.*\) (\(.*\))/\1 \2(\3)/' \
 | sed -f $ED2 \
 | $AWK -f $AW1 using=$USE \
-| sed -e 's/^\([a-z_][a-z_]*[ *]*\)/\1 gen_/' -e 's/  / /g' >>$TMP
+| sed \
+       -e 's/ [ ]*$//g' \
+       -e 's/^\([a-zA-Z_][a-zA-Z_]*[ *]*\)/\1 gen_/' \
+       -e 's/gen_$//' \
+       -e 's/  / /g' >>$TMP
 
 $preprocessor $TMP 2>/dev/null \
-| sed -e 's/  / /g' -e 's/^ //' \
+| sed \
+       -e 's/  / /g' \
+       -e 's/^ //' \
+       -e 's/_Bool/NCURSES_BOOL/g' \
 | $AWK -f $AW2 \
 | sed -f $ED3 \
 | sed \
        -e 's/^.*T_CALLED.*returnCode( \([a-z].*) \));/ return \1;/' \
        -e 's/^.*T_CALLED.*returnCode( \((wmove.*) \));/        return \1;/' \
+       -e 's/gen_//' \
+       -e 's/^[        ]*#/#/' \
+       -e '/#ident/d' \
+       -e '/#line/d' \
 | sed -f $ED4