#
# MKlib_gen.sh -- generate sources from curses.h macro definitions
#
-# ($Id: MKlib_gen.sh,v 1.23 2004/02/07 13:31:35 tom Exp $)
+# ($Id: MKlib_gen.sh,v 1.47 2014/12/06 18:56:25 tom Exp $)
#
##############################################################################
-# Copyright (c) 1998-2003,2004 Free Software Foundation, Inc. #
+# Copyright (c) 1998-2011,2014 Free Software Foundation, Inc. #
# #
# Permission is hereby granted, free of charge, to any person obtaining a #
# copy of this software and associated documentation files (the "Software"), #
#
# This script accepts a file of prototypes on standard input. It discards
# any that don't have a `generated' comment attached. It then parses each
-# prototype (relying on the fact that none of the macros take function
+# prototype (relying on the fact that none of the macros take function
# pointer or array arguments) and generates C source from it.
#
# Here is what the pipeline stages are doing:
#
# 1. sed: extract prototypes of generated functions
# 2. sed: decorate prototypes with generated arguments a1. a2,...z
-# 3. awk: generate the calls with args matching the formals
+# 3. awk: generate the calls with args matching the formals
# 4. sed: prefix function names in prototypes so the preprocessor won't expand
# them.
# 5. cpp: macro-expand the file so the macro calls turn into C calls
# 6. awk: strip the expansion junk off the front and add the new header
-# 7. sed: squeeze spaces, strip off gen_ prefix, create needed #undef
+# 7. sed: squeeze spaces, strip off gen_ prefix.
#
# keep the editing independent of locale:
if test "${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="$3"
CALL="call_"
cat >$ED1 <<EOF1
/^extern.*implemented/{
+ h
+ s/NCURSES_SP_NAME(\([^)]*\))/NCURSES_SP_NAME___\1/
h
s/^.*implemented:\([^ *]*\).*/P_POUNDCif_USE_\1_SUPPORT/p
g
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
g
s/^\(.*\) \(.*\) (\(.*\))\$/\1 call_\2 (\3)/
}
+s/\([^_]\)NCURSES_SP_NAME___\([a-zA-Z][a-zA-Z_]*\)/\1NCURSES_SP_NAME(\2)/g
EOF
fi
}
}
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 == "*" ) {
break;
}
}
- if (using == "generated") {
- print "M_" $myfunc
- }
print $0;
print "{";
argcount = 1;
if ($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 == "*" )
- pointer = 1;
- else if ( ch == "va_list" )
+ if ( ch == "*" ) {
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"
} 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 ")"
pointer = 0;
argtype = ""
}
- if ( i == 2 || ch == "(" )
+ if ( i == myfunc || ch == "(" )
call = call ch
}
call = call "\")"
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++) {
}
if (!match($0, "^void"))
call = call ") ";
- if (dotrace)
+ if (dotrace) {
call = call ")";
+ }
print call ";"
if (match($0, "^void"))
- print "%%returnVoid;"
+ print "@@returnVoid;"
print "}";
}
EOF1
print " * pull most of the rest of the library into your link image."
}
print " */"
+ print "#define NCURSES_ATTR_T int"
+ print "#include <ncurses_cfg.h>"
+ print ""
+ print "#undef NCURSES_NOMACROS /* _this_ file uses macros */"
+ print ""
print "#include <curses.priv.h>"
print ""
+ print "#undef vw_scanw"
+ print "#undef vwscanw"
+ print ""
+ print "#undef vw_printw"
+ print "#undef vwprintw"
}
/^DECLARATIONS/ {start = 1; next;}
- {if (start) print \$0;}
+ {
+ if (start) {
+ if ( "$USE" == "generated" ) {
+ print \$0;
+ } else if ( \$0 ~ /^[{}]?\$/ ) {
+ print \$0;
+ } else if ( \$0 ~ /;/ ) {
+ print \$0;
+ } else {
+ calls[start] = \$0;
+ print \$0;
+ start++;
+ }
+ }
+ }
END {
if ( "$USE" != "generated" ) {
- print "int main(void) { return 0; }"
+ print "int main(void)"
+ print "{"
+ for (n = 1; n < start; ++n) {
+ value = calls[n];
+ if ( value !~ /P_POUNDC/ ) {
+ gsub(/[[:blank:]]+/," ",value);
+ sub(/^[[:alnum:]_]+ /,"",value);
+ sub(/^\* /,"",value);
+ gsub(/[[:alnum:]_]+ \* /,"",value);
+ gsub(/ (const) /," ",value);
+ gsub(/ (int|short|attr_t|chtype|wchar_t|NCURSES_BOOL|NCURSES_OUTC|NCURSES_OUTC_sp|va_list) /," ",value);
+ gsub(/ void /,"",value);
+ sub(/^/,"call_",value);
+ gsub(/ (a[[:digit:]]|z) /, " 0 ", value);
+ gsub(/ int[[:blank:]]*[(][^)]+[)][(][^)]+[)]/, "0", value);
+ printf "\t%s;\n", value;
+ } else {
+ print value;
+ }
+ }
+ print " return 0;"
+ print "}"
}
}
EOF1
cat >$TMP <<EOF
#include <ncurses_cfg.h>
+#undef NCURSES_NOMACROS
#include <curses.h>
+#include <term.h>
+#include <unctrl.h>
DECLARATIONS
| 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
+
+cat >$ED1 <<EOF
+s/ / /g
+s/^ //
+s/ $//
+s/P_NCURSES_BOOL/NCURSES_BOOL/g
+EOF
+
+# A patch discussed here:
+# https://gcc.gnu.org/ml/gcc-patches/2014-06/msg02185.html
+# introduces spurious #line markers. Work around that by ignoring the system's
+# attempt to define "bool" and using our own symbol here.
+sed -e 's/bool/P_NCURSES_BOOL/g' $TMP > $ED2
+cat $ED2 >$TMP
$preprocessor $TMP 2>/dev/null \
-| sed -e 's/ / /g' -e 's/^ //' \
+| sed -f $ED1 \
| $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