diff options
Diffstat (limited to 'ncurses-5.2/ncurses/base/MKlib_gen.sh')
| -rwxr-xr-x | ncurses-5.2/ncurses/base/MKlib_gen.sh | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/ncurses-5.2/ncurses/base/MKlib_gen.sh b/ncurses-5.2/ncurses/base/MKlib_gen.sh deleted file mode 100755 index b56ebf0..0000000 --- a/ncurses-5.2/ncurses/base/MKlib_gen.sh +++ /dev/null @@ -1,259 +0,0 @@ -#!/bin/sh -# -# MKlib_gen.sh -- generate sources from curses.h macro definitions -# -# ($Id$) -# -# The XSI Curses standard requires all curses entry points to exist as -# functions, even though many definitions would normally be shadowed -# by macros. Rather than hand-hack all that code, we actually -# generate functions from the macros. -# -# 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 -# 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 -# 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 -# - -preprocessor="$1 -I../include" -AWK="$2" -ED1=sed1$$.sed -ED2=sed2$$.sed -ED3=sed3$$.sed -AW1=awk1$$.awk -TMP=gen$$.c -trap "rm -f $ED1 $ED2 $ED3 $AW1 $TMP" 0 1 2 5 15 - -(cat <<EOF -#include <ncurses_cfg.h> -#include <curses.h> - -DECLARATIONS - -EOF -cat >$ED1 <<EOF1 -/^extern.*generated/{ - h - s/^.*generated:\([^ *]*\).*/P_#if_USE_\1_SUPPORT/p - g - s/^extern \([^;]*\);.*/\1/p - g - s/^.*generated:\([^ *]*\).*/P_#endif/p -} -EOF1 - -cat >$ED2 <<EOF2 -/^P_/b nc -/(void)/b nc - s/,/ a1% / - s/,/ a2% / - s/,/ a3% / - s/,/ a4% / - s/,/ a5% / - s/,/ a6% / - s/,/ a7% / - s/,/ a8% / - s/,/ a9% / - s/,/ a10% / - s/,/ a11% / - s/,/ a12% / - s/,/ a13% / - s/,/ a14% / - s/,/ a15% / - s/*/ * /g - s/%/ , /g - s/)/ z)/ -:nc - /(/s// ( / - s/)/ )/ -EOF2 - -cat >$ED3 <<EOF3 -/^P_/{ - s/^P_#if_/#if / - s/^P_// - b done -} - s/ */ /g - s/ */ /g - s/ ,/,/g - s/ )/)/g - s/ gen_/ / - s/^M_/#undef / - /^%%/s// / -:done -EOF3 - -cat >$AW1 <<\EOF1 -BEGIN { - skip=0; - } - /^P_#if/ { - print "\n" - print $0 - skip=0; - } - /^P_#endif/ { - print $0 - skip=1; - } - $0 !~ /^P_/ { - if (skip) - print "\n" - skip=1; - - if ( $1 == "chtype" ) { - returnType = "Char"; - } else { - returnType = "Code"; - } - print "M_" $2 - print $0; - print "{"; - argcount = 1; - if (NF == 5 && $4 == "void") - argcount = 0; - if (argcount != 0) { - for (i = 1; i <= NF; i++) - if ($i == ",") - argcount++; - } - - # suppress trace-code for functions that we cannot do properly here, - # since they return data. - dotrace = 1; - if ($2 == "innstr") - dotrace = 0; - - call = "%%T((T_CALLED(\"" - args = "" - comma = "" - num = 0; - pointer = 0; - argtype = "" - for (i = 1; i <= NF; i++) { - ch = $i; - if ( ch == "*" ) - pointer = 1; - else if ( ch == "va_list" ) - pointer = 1; - else if ( ch == "char" ) - argtype = "char"; - else if ( ch == "int" ) - argtype = "int"; - else if ( ch == "short" ) - argtype = "short"; - else if ( ch == "chtype" ) - argtype = "chtype"; - else if ( ch == "attr_t" || ch == "NCURSES_ATTR_T" ) - argtype = "attr"; - - if ( ch == "," || ch == ")" ) { - if (pointer) { - if ( argtype == "char" ) { - call = call "%s" - comma = comma "_nc_visbuf2(" num "," - pointer = 0; - } else - call = call "%p" - } else if (argcount != 0) { - if ( argtype == "int" || argtype == "short" ) { - call = call "%d" - argtype = "" - } else if ( argtype != "" ) { - call = call "%s" - comma = comma "_trace" argtype "2(" num "," - } else { - call = call "%#lx" - comma = comma "(long)" - } - } - if (ch == ",") - args = args comma "a" ++num; - else if (argcount != 0) - args = args comma "z" - call = call ch - if (pointer == 0 && argcount != 0 && argtype != "" ) - args = args ")" - if (args != "") - comma = ", " - pointer = 0; - argtype = "" - } - if ( i == 2 || ch == "(" ) - call = call ch - } - call = call "\")" - if (args != "") - call = call ", " args - call = call ")); " - - if (dotrace) - printf "%s", call - - if (match($0, "^void")) - call = "" - else if (dotrace) - call = sprintf("return%s( ", returnType); - else - call = "%%return "; - - call = call $2 "("; - for (i = 1; i < argcount; i++) - call = call "a" i ", "; - if (argcount != 0) - call = call "z"; - if (!match($0, "^void")) - call = call ") "; - if (dotrace) - call = call ")"; - print call ";" - - if (match($0, "^void")) - print "%%returnVoid;" - print "}"; -} -EOF1 - -sed -n -f $ED1 | sed -f $ED2 \ -| $AWK -f $AW1 ) \ -| sed \ - -e '/^\([a-z_][a-z_]*\) /s//\1 gen_/' >$TMP - $preprocessor $TMP 2>/dev/null \ -| $AWK ' -BEGIN { - print "/*" - print " * DO NOT EDIT THIS FILE BY HAND!" - print " * It is generated by MKlib_gen.sh." - print " *" - print " * This is a file of trivial functions generated from macro" - print " * definitions in curses.h to satisfy the XSI Curses requirement" - print " * that every macro also exist as a callable function." - print " *" - print " * It will never be linked unless you call one of the entry" - print " * points with its normal macro definition disabled. In that" - print " * case, if you have no shared libraries, it will indirectly" - print " * pull most of the rest of the library into your link image." - print " */" - print "#include <curses.priv.h>" - print "" - } -/^DECLARATIONS/ {start = 1; next;} - {if (start) print $0;} -' \ -| sed -f $ED3 \ -| sed \ - -e 's/^.*T_CALLED.*returnCode( \([a-z].*) \));/ return \1;/' \ - -e 's/^.*T_CALLED.*returnCode( \((wmove.*) \));/ return \1;/' - |