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""" The ffi for rpython
"""
from rpython.rtyper.lltypesystem import rffi
from rpython.rtyper.tool import rffi_platform
from rpython.translator.tool.cbuild import ExternalCompilationInfo
# We cannot trust ncurses5-config, it's broken in various ways in
# various versions. For example it might not list -ltinfo even though
# it's needed, or --cflags might be completely empty. On Ubuntu 10.04
# it gives -I/usr/include/ncurses, which doesn't exist at all. Crap.
def try_cflags():
yield ExternalCompilationInfo(includes=['curses.h', 'term.h'])
yield ExternalCompilationInfo(includes=['curses.h', 'term.h'],
include_dirs=['/usr/include/ncurses'])
yield ExternalCompilationInfo(includes=['ncurses/curses.h',
'ncurses/term.h'])
def try_ldflags():
yield ExternalCompilationInfo(libraries=['curses'])
yield ExternalCompilationInfo(libraries=['curses', 'tinfo'])
yield ExternalCompilationInfo(libraries=['ncurses'])
yield ExternalCompilationInfo(libraries=['ncurses'],
library_dirs=['/usr/lib64'])
def try_tools():
try:
yield ExternalCompilationInfo.from_pkg_config("ncurses")
except Exception:
pass
try:
yield ExternalCompilationInfo.from_config_tool("ncurses5-config")
except Exception:
pass
def try_eci():
for eci in try_tools():
yield eci.merge(ExternalCompilationInfo(includes=['curses.h',
'term.h']))
for eci1 in try_cflags():
for eci2 in try_ldflags():
yield eci1.merge(eci2)
def guess_eci():
for eci in try_eci():
class CConfig:
_compilation_info_ = eci
HAS = rffi_platform.Has("setupterm")
if rffi_platform.configure(CConfig)['HAS']:
return eci
raise ImportError("failed to guess where ncurses is installed. "
"You might need to install libncurses5-dev or similar.")
eci = guess_eci()
# We should not use this 'eci' directly because it causes the #include
# of term.h to appear in all generated C sources, and term.h contains a
# poisonous quantity of #defines for common lower-case names like
# 'buttons' or 'lines' (!!!). It is basically dangerous to include
# term.h in any C source file that may contain unrelated source code.
include_lines = '\n'.join(['#include <%s>' % _incl for _incl in eci.includes])
eci = eci.copy_without('includes')
eci = eci.merge(ExternalCompilationInfo(
post_include_bits=[
"RPY_EXTERN char *rpy_curses_setupterm(char *, int);\n"
"RPY_EXTERN char *rpy_curses_tigetstr(char *);\n"
"RPY_EXTERN char *rpy_curses_tparm(char *, int, int, int, int,"
" int, int, int, int, int);"
],
separate_module_sources=["""
%(include_lines)s
RPY_EXTERN
char *rpy_curses_setupterm(char *term, int fd)
{
int errret = -42;
if (setupterm(term, fd, &errret) == ERR) {
switch (errret) {
case 0:
return "setupterm: could not find terminal";
case -1:
return "setupterm: could not find terminfo database";
default:
return "setupterm: unknown error";
}
}
return NULL;
}
RPY_EXTERN
char *rpy_curses_tigetstr(char *capname)
{
char *res = tigetstr(capname);
if (res == (char *)-1)
res = NULL;
return res;
}
RPY_EXTERN
char *rpy_curses_tparm(char *str, int x0, int x1, int x2, int x3,
int x4, int x5, int x6, int x7, int x8)
{
return tparm(str, x0, x1, x2, x3, x4, x5, x6, x7, x8);
}
""" % globals()]))
rpy_curses_setupterm = rffi.llexternal(
"rpy_curses_setupterm", [rffi.CCHARP, rffi.INT], rffi.CCHARP,
compilation_info=eci)
rpy_curses_tigetstr = rffi.llexternal(
"rpy_curses_tigetstr", [rffi.CCHARP], rffi.CCHARP,
compilation_info=eci)
rpy_curses_tparm = rffi.llexternal(
"rpy_curses_tparm", [rffi.CCHARP, rffi.INT, rffi.INT, rffi.INT, rffi.INT,
rffi.INT, rffi.INT, rffi.INT, rffi.INT, rffi.INT],
rffi.CCHARP,
compilation_info=eci)
|
