Index: head/Makefile.inc1 =================================================================== --- head/Makefile.inc1 +++ head/Makefile.inc1 @@ -167,6 +167,19 @@ .endif .endfor +.if ${.MAKE.OS} != "FreeBSD" +CROSSBUILD_HOST=${.MAKE.OS} +.if ${.MAKE.OS} != "Linux" && ${.MAKE.OS} != "Darwin" +.warning "Unsupported crossbuild system: ${.MAKE.OS}. Build will probably fail!" +.endif +# We need to force NO_ROOT/DB_FROM_SRC builds when building on other operating +# systems since the BSD.foo.dist specs contain users and groups that do not +# exist by default on a Linux/MacOS system. +NO_ROOT:= 1 +DB_FROM_SRC:= 1 +.export NO_ROOT +.endif + # If all targets are disabled for system llvm then don't expect it to work # for cross-builds. .if !defined(TOOLS_PREFIX) && ${MK_LLVM_TARGET_ALL} == "no" && \ @@ -568,13 +581,16 @@ .endif .if make(buildworld) BUILD_ARCH!= uname -p -.if ${MACHINE_ARCH} != ${BUILD_ARCH} +# On some Linux systems uname -p returns "unknown" so skip this check there. +# This check only exists to tell people to use TARGET_ARCH instead of +# MACHINE_ARCH so skipping it when crossbuilding on non-FreeBSD should be fine. +.if ${MACHINE_ARCH} != ${BUILD_ARCH} && ${.MAKE.OS} == "FreeBSD" .error To cross-build, set TARGET_ARCH. .endif .endif WORLDTMP?= ${OBJTOP}/tmp BPATH= ${CCACHE_WRAPPER_PATH_PFX}${WORLDTMP}/legacy/usr/sbin:${WORLDTMP}/legacy/usr/bin:${WORLDTMP}/legacy/bin:${WORLDTMP}/legacy/usr/libexec -XPATH= ${WORLDTMP}/usr/sbin:${WORLDTMP}/usr/bin +XPATH= ${WORLDTMP}/bin:${WORLDTMP}/usr/sbin:${WORLDTMP}/usr/bin # When building we want to find the cross tools before the host tools in ${BPATH}. # We also need to add UNIVERSE_TOOLCHAIN_PATH so that we can find the shared @@ -589,6 +605,13 @@ # USING_SYSTEM_LINKER/USING_SYSTEM_COMPILER. Once these issues have been # resolved it will be turned on by default. BUILD_WITH_STRICT_TMPPATH?=0 +.if defined(CROSSBUILD_HOST) +# When building on non-FreeBSD we can't rely on the tools in /usr/bin being compatible +# with what FreeBSD expects. Therefore we only use tools from STRICTTMPPATH +# during the world build stage. We build most tools during the bootstrap-tools +# phase but symlink host tools that are known to work instead of building them +BUILD_WITH_STRICT_TMPPATH:=1 +.endif .if ${BUILD_WITH_STRICT_TMPPATH} != 0 TMPPATH= ${STRICTTMPPATH} .else @@ -724,7 +747,9 @@ # kernel-tools stage KTMAKEENV= INSTALL="sh ${.CURDIR}/tools/install.sh" \ PATH=${BPATH}:${PATH} \ - WORLDTMP=${WORLDTMP} + WORLDTMP=${WORLDTMP} \ + MAKEFLAGS="-m ${.CURDIR}/tools/build/mk ${.MAKEFLAGS}" + KTMAKE= \ TOOLS_PREFIX=${TOOLS_PREFIX_UNDEF:U${WORLDTMP}} \ ${KTMAKEENV} ${MAKE} ${WORLD_FLAGS} -f Makefile.inc1 \ @@ -845,7 +870,13 @@ # allows tracking the oldest osreldate to force rebuilds via # META_MODE_BADABI_REVS above. host-osreldate.h: # DO NOT ADD /usr/include/osreldate.h here +.if !defined(CROSSBUILD_HOST) @cp -f /usr/include/osreldate.h ${.TARGET} +.else + @echo "#ifndef __FreeBSD_version" > ${.TARGET} + @echo "#define __FreeBSD_version ${OSRELDATE}" >> ${.TARGET} + @echo "#endif" >> ${.TARGET} +.endif WMAKE= ${WMAKEENV} ${MAKE} ${WORLD_FLAGS} -f Makefile.inc1 \ BWPHASE=${.TARGET:C,^_,,} \ @@ -1022,7 +1053,8 @@ @echo ">>> stage 1.2: bootstrap tools" @echo "--------------------------------------------------------------" ${_+_}cd ${.CURDIR}; ${BMAKE} bootstrap-tools - mkdir -p ${WORLDTMP}/usr ${WORLDTMP}/lib/casper ${WORLDTMP}/lib/geom + mkdir -p ${WORLDTMP}/usr ${WORLDTMP}/lib/casper ${WORLDTMP}/lib/geom \ + ${WORLDTMP}/bin ${WORLDTMP_MTREE} -f ${.CURDIR}/etc/mtree/BSD.usr.dist \ -p ${WORLDTMP}/usr >/dev/null ${WORLDTMP_MTREE} -f ${.CURDIR}/etc/mtree/BSD.include.dist \ @@ -1277,11 +1309,15 @@ _zoneinfo= zic tzsetup .endif +.if !defined(CROSSBUILD_HOST) +_sysctl=sysctl +.endif + ITOOLS= [ awk cap_mkdb cat chflags chmod chown cmp cp \ date echo egrep find grep id install ${_install-info} \ ln make mkdir mtree mv pwd_mkdb \ - rm sed services_mkdb sh sort strip sysctl test true uname wc ${_zoneinfo} \ - ${LOCAL_ITOOLS} + rm sed services_mkdb sh sort strip ${_sysctl} test true uname wc \ + ${_zoneinfo} ${LOCAL_ITOOLS} # Needed for share/man .if ${MK_MAN_UTILS} != "no" @@ -1317,23 +1353,25 @@ distributeworld installworld stageworld: _installcheck_world .PHONY mkdir -p ${INSTALLTMP} progs=$$(for prog in ${ITOOLS}; do \ - if progpath=`which $$prog`; then \ + if progpath=`env PATH=${TMPPATH} which $$prog`; then \ echo $$progpath; \ else \ - echo "Required tool $$prog not found in PATH." >&2; \ + echo "Required tool $$prog not found in PATH ($$PATH)." >&2; \ exit 1; \ fi; \ done); \ - libs=$$(ldd -f "%o %p\n" -f "%o %p\n" $$progs 2>/dev/null | sort -u | \ - while read line; do \ - set -- $$line; \ - if [ "$$2 $$3" != "not found" ]; then \ - echo $$2; \ - else \ - echo "Required library $$1 not found." >&2; \ - exit 1; \ - fi; \ - done); \ + if [ -z "${CROSSBUILD_HOST}" ] ; then \ + libs=$$(ldd -f "%o %p\n" -f "%o %p\n" $$progs 2>/dev/null | sort -u | \ + while read line; do \ + set -- $$line; \ + if [ "$$2 $$3" != "not found" ]; then \ + echo $$2; \ + else \ + echo "Required library $$1 not found." >&2; \ + exit 1; \ + fi; \ + done); \ + fi; \ cp $$libs $$progs ${INSTALLTMP} cp -R $${PATH_LOCALE:-"/usr/share/locale"} ${INSTALLTMP}/locale .if defined(NO_ROOT) @@ -2043,10 +2081,9 @@ # build-tools or cross-tools. # - -# libnv is a requirement for config(8), which is an unconditional +# libnv and libsbuf are requirements for config(8), which is an unconditional # bootstrap-tool. -_config_deps= lib/libnv +_config_deps= lib/libnv lib/libsbuf legacy: .PHONY .if ${BOOTSTRAPPING} < ${MINIMUM_SUPPORTED_OSREL} && ${BOOTSTRAPPING} != 0 @@ -2054,7 +2091,7 @@ false .endif -.for _tool in tools/build ${_config_deps} +.for _tool in tools/build ${_+_}@${ECHODIR} "===> ${_tool} (obj,includes,all,install)"; \ cd ${.CURDIR}/${_tool}; \ if [ -z "${NO_OBJWALK}" ]; then ${MAKE} DIRPRFX=${_tool}/ obj; fi; \ @@ -2090,12 +2127,23 @@ # If BOOTSTRAP_ALL_TOOLS is set we will build all the required tools from the # current source tree. Otherwise we create a symlink to the version found in # $PATH during the bootstrap-tools stage. +# When building on non-FreeBSD systems we can't assume that the host binaries +# accept compatible flags or produce compatible output. Therefore we force +# BOOTSTRAP_ALL_TOOLS and just build the FreeBSD version of the binary. +.if defined(CROSSBUILD_HOST) +BOOTSTRAP_ALL_TOOLS:= 1 +.endif .if defined(BOOTSTRAP_ALL_TOOLS) # BOOTSTRAPPING will be set on the command line so we can't override it here. # Instead set BOOTSTRAPPING_OSRELDATE so that the value 0 is set ${BSARGS} BOOTSTRAPPING_OSRELDATE:= 0 .endif +# libnv and libsbuf are requirements for config(8), which is an unconditional +# bootstrap-tool. +_config=usr.sbin/config lib/libnv lib/libsbuf +${_bt}-usr.sbin/config: ${_bt}-lib/libnv ${_bt}-lib/libsbuf + .if ${MK_GAMES} != "no" _strfile= usr.bin/fortune/strfile .endif @@ -2111,13 +2159,20 @@ # please ensure that you also add a .else case where you add the tool to the # _bootstrap_tools_links variable. .if ${BOOTSTRAPPING} < 1000033 -_m4= usr.bin/m4 +# Note: lex needs m4 to build but m4 also depends on lex (which needs m4 to +# generate any files). To fix this cyclic dependency we can build a bootstrap +# version of m4 (with pre-generated files) then use that to build the real m4. +# We can't simply use the host m4 since e.g. the macOS version does not accept +# the flags that are passed by lex. +# For lex we also use the pre-gerated files since we would otherwise need to +# build awk and sed first (which need lex to build) +# TODO: add a _bootstrap_lex and then build the real lex afterwards _lex= usr.bin/lex -# Note: lex needs m4 to build but m4 also depends on lex. However, lex can be -# bootstrapped so we build lex first. -${_bt}-usr.bin/m4: ${_bt}-lib/libopenbsd ${_bt}-usr.bin/yacc ${_bt}-${_lex} -_bt_m4_depend=${_bt}-${_m4} -_bt_lex_depend=${_bt}-${_lex} ${_bt_m4_depend} +_m4= tools/build/bootstrap-m4 usr.bin/m4 +${_bt}-tools/build/bootstrap-m4: ${_bt}-usr.bin/lex ${_bt}-lib/libopenbsd ${_bt}-usr.bin/yacc +${_bt}-usr.bin/m4: ${_bt}-lib/libopenbsd ${_bt}-usr.bin/yacc ${_bt}-usr.bin/lex ${_bt}-tools/build/bootstrap-m4 +_bt_m4_depend=${_bt}-usr.bin/m4 +_bt_lex_depend=${_bt}-usr.bin/lex ${_bt_m4_depend} .else _bootstrap_tools_links+=m4 lex .endif @@ -2183,12 +2238,15 @@ .endif # r296926 -P keymap search path, MFC to stable/10 in r298297 -.if ${BOOTSTRAPPING} < 1003501 || \ - (${BOOTSTRAPPING} >= 1100000 && ${BOOTSTRAPPING} < 1100103) +# Note: kbdcontrol can not be bootstrapped on non-FreeBSD systems +.if !defined(CROSSBUILD_HOST) +.if (${BOOTSTRAPPING} < 1003501 || \ + (${BOOTSTRAPPING} >= 1100000 && ${BOOTSTRAPPING} < 1100103)) _kbdcontrol= usr.sbin/kbdcontrol .else _bootstrap_tools_links+=kbdcontrol .endif +.endif _yacc= usr.bin/yacc @@ -2215,6 +2273,7 @@ .if ${MK_LOCALES} != "no" _localedef= usr.bin/localedef +${_bt}-usr.bin/localedef: ${_bt}-usr.bin/yacc ${_bt_lex_depend} .endif .if ${MK_KERBEROS} != "no" @@ -2244,8 +2303,8 @@ _basic_bootstrap_tools_multilink=usr.bin/grep grep,egrep,fgrep _basic_bootstrap_tools_multilink+=bin/test test,[ # bootstrap tools needed by buildworld: -_basic_bootstrap_tools=usr.bin/cut bin/expr usr.bin/gencat \ - usr.bin/join usr.bin/mktemp bin/rmdir usr.bin/sed usr.bin/sort \ +_basic_bootstrap_tools+=usr.bin/cut bin/expr usr.bin/gencat usr.bin/join \ + usr.bin/mktemp bin/realpath bin/rmdir usr.bin/sed usr.bin/sort \ usr.bin/truncate usr.bin/tsort # Some build scripts use nawk instead of awk (this happens at least in # cddl/contrib/opensolaris/lib/libdtrace/common/mknames.sh) so we need both awk @@ -2259,25 +2318,30 @@ _basic_bootstrap_tools+=usr.bin/xargs # cap_mkdb is required for share/termcap: _basic_bootstrap_tools+=usr.bin/cap_mkdb -# ldd is required for installcheck (TODO: just always use /usr/bin/ldd instead?) -_basic_bootstrap_tools+=usr.bin/ldd # services_mkdb/pwd_mkdb are required for installworld: _basic_bootstrap_tools+=usr.sbin/services_mkdb usr.sbin/pwd_mkdb +# ldd is required for installcheck (TODO: just always use /usr/bin/ldd instead?) +.if !defined(CROSSBUILD_HOST) +# ldd is only needed for updating the running system so we don't need to +# bootstrap ldd on non-FreeBSD systems +_basic_bootstrap_tools+=usr.bin/ldd +.endif # sysctl/chflags are required for installkernel: +.if !defined(CROSSBUILD_HOST) _basic_bootstrap_tools+=sbin/sysctl bin/chflags +.else +# When building on non-FreeBSD, install a fake chflags instead since the +# version from the source tree cannot work. We also don't need sysctl since we +# are install with -DNO_ROOT. +_other_bootstrap_tools+=tools/build/cross-build/fake_chflags +.endif # mkfifo is used by sys/conf/newvers.sh _basic_bootstrap_tools+=usr.bin/mkfifo .if ${MK_BOOT} != "no" -_basic_bootstrap_tools+=bin/dd -# xz/unxz is used by EFI -_basic_bootstrap_tools_multilink+=usr.bin/xz xz,unxz # md5 is used by boot/beri (and possibly others) _basic_bootstrap_tools+=sbin/md5 -.if defined(BOOTSTRAP_ALL_TOOLS) -${_bt}-sbin/md5: ${_bt}-lib/libmd .endif -.endif .if ${MK_ZONEINFO} != "no" _basic_bootstrap_tools+=usr.sbin/zic usr.sbin/tzsetup @@ -2297,6 +2361,10 @@ # `make legacy` step. Not adding a link to make is important on non-FreeBSD # since "make" will usually point to GNU make there. _other_bootstrap_tools+=usr.bin/bmake + +# Avoid dependency on host bz2 headers: +_other_bootstrap_tools+=lib/libbz2 +${_bt}-usr.bin/grep: ${_bt}-lib/libbz2 .else # All tools in _basic_bootstrap_tools have the same name as the subdirectory # so we can use :T to get the name of the symlinks that we need to create. @@ -2346,7 +2414,7 @@ ${_other_bootstrap_tools} \ usr.bin/xinstall \ ${_gensnmptree} \ - usr.sbin/config \ + ${_config} \ ${_flua} \ ${_crunchide} \ ${_crunchgen} \ @@ -2365,6 +2433,14 @@ bootstrap-tools: ${_bt}-${_tool} .endfor +.if target(${_bt}-lib/libmd) +# If we are bootstrapping libmd (e.g. when building on macOS/Linux) add the +# necessary dependencies: +${_bt}-usr.bin/sort: ${_bt}-lib/libmd +${_bt}-usr.bin/xinstall: ${_bt}-lib/libmd +${_bt}-sbin/md5: ${_bt}-lib/libmd +.endif + # # build-tools: Build special purpose build tools Index: head/sys/conf/kern.post.mk =================================================================== --- head/sys/conf/kern.post.mk +++ head/sys/conf/kern.post.mk @@ -395,7 +395,7 @@ exit 1 ; \ fi .if exists(${DESTDIR}${KODIR}) - -thiskernel=`sysctl -n kern.bootfile` ; \ + -thiskernel=`sysctl -n kern.bootfile || echo /boot/kernel/kernel` ; \ if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \ chflags -R noschg ${DESTDIR}${KODIR} ; \ rm -rf ${DESTDIR}${KODIR} ; \ Index: head/tools/build/Makefile =================================================================== --- head/tools/build/Makefile +++ head/tools/build/Makefile @@ -260,8 +260,8 @@ # Linux/MacOS since we only use flags that are supported by all of them. _host_tools_to_symlink= basename bzip2 bunzip2 chmod chown cmp comm cp date dd \ dirname echo env false find fmt gzip gunzip head hostname id ln ls \ - mkdir mv nice patch rm realpath sh sleep stat tee touch tr true \ - uname uniq wc which + mkdir mv nice patch rm sh sleep stat tee touch tr true uname uniq unxz \ + wc which xz # We also need a symlink to the absolute path to the make binary used for # the toplevel makefile. This is not necessarily the same as `which make` @@ -285,9 +285,9 @@ host-symlinks: @echo "Linking host tools into ${DESTDIR}/bin" .for _tool in ${_host_tools_to_symlink} - @source_path=`which ${_tool}`; \ + @export PATH=$${PATH}:/usr/local/bin; source_path=`which ${_tool}`; \ if [ ! -e "$${source_path}" ] ; then \ - echo "Cannot find host tool '${_tool}'"; false; \ + echo "Cannot find host tool '${_tool}' in PATH ($$PATH)." >&2; false; \ fi; \ rm -f "${DESTDIR}/bin/${_tool}"; \ cp -pf "$${source_path}" "${DESTDIR}/bin/${_tool}" @@ -330,7 +330,7 @@ .for _dir in sbin usr/sbin usr/bin # delete existing directories from before r340157 - @if [ ! -L ${DESTDIR}/${_dir} ]; then \ + @if [ -e ${DESTDIR}/${_dir} ] && [ ! -L ${DESTDIR}/${_dir} ]; then \ echo "removing old non-symlink ${DESTDIR}/${_dir}"; \ rm -rf "${DESTDIR}/${_dir}"; \ fi Index: head/tools/build/bootstrap-m4/Makefile =================================================================== --- head/tools/build/bootstrap-m4/Makefile +++ head/tools/build/bootstrap-m4/Makefile @@ -0,0 +1,27 @@ +# $FreeBSD$ + +# Build a bootstrap version of m4 (needed in order to build libelf and lex) +.PATH: ${SRCTOP}/usr.bin/m4 ${.CURDIR} + +# Avoid using lex or yacc to generate sources +LEX:=/this/should/not/be/used + +tokenizer.c: bootstrap_m4_tokenizer + test -e ${.TARGET} + +# This target is used as a marker in usr.bin/m4/Makefile to not add the +# lex and yacc includes. Therefore we must define it before including +# the other Makefile. +bootstrap_m4_tokenizer: inittokenizer.c +.for _f in tokenizer.c + @cmp -s ${.CURDIR}/init${_f} ${_f} || { \ + echo "Bootstrapping ${_f}" ; \ + ${CP} ${.CURDIR}/init${_f} ${_f} ; \ + } +.endfor + +BINDIR= /usr/bin +.include "${SRCTOP}/usr.bin/m4/Makefile" + +regen: + (cd ${SRCTOP}/usr.bin/m4 && lex -t ${SRCTOP}/usr.bin/m4/tokenizer.l) | grep -v '#line' > inittokenizer.c Index: head/tools/build/bootstrap-m4/inittokenizer.c =================================================================== --- head/tools/build/bootstrap-m4/inittokenizer.c +++ head/tools/build/bootstrap-m4/inittokenizer.c @@ -0,0 +1,1850 @@ + + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 37 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +#if defined(__FreeBSD__) +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS +#endif +#include +#include +#else +#define __dead2 +#endif + +/* begin standard C headers. */ +#include +#include +#include +#include + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have . Non-C99 systems may or may not. */ + +#if defined(__FreeBSD__) || \ + (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! C99 */ + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN (yy_start) = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START (((yy_start) - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE yyrestart(yyin ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE 16384 +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +extern yy_size_t yyleng; + +extern FILE *yyin, *yyout; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = (yy_hold_char); \ + YY_RESTORE_YY_MORE_OFFSET \ + (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, (yytext_ptr) ) + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + yy_size_t yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via yyrestart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ + : NULL) +#define yy_current_buffer YY_CURRENT_BUFFER + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] + +/* yy_hold_char holds the character lost when yytext is formed. */ +static char yy_hold_char; +static yy_size_t yy_n_chars; /* number of characters read into yy_ch_buf */ +yy_size_t yyleng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = (char *) 0; +static int yy_init = 0; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow yywrap()'s to do buffer switches + * instead of setting up a fresh yyin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +void yyrestart (FILE *input_file ); +void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ); +void yy_delete_buffer (YY_BUFFER_STATE b ); +void yy_flush_buffer (YY_BUFFER_STATE b ); +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ); +void yypop_buffer_state (void ); + +static void yyensure_buffer_stack (void ); +static void yy_load_buffer_state (void ); +static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ); + +#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ) + +YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ); +YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ); +YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,yy_size_t len ); + +void *yyalloc (yy_size_t ); +void *yyrealloc (void *,yy_size_t ); +void yyfree (void * ); + +#define yy_new_buffer yy_create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +#define yywrap() 1 +#define YY_SKIP_YYWRAP + +typedef unsigned char YY_CHAR; + +FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; + +typedef int yy_state_type; + +extern int yylineno; + +int yylineno = 1; + +extern char *yytext; +#define yytext_ptr yytext + +static yy_state_type yy_get_previous_state (void ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); +static int yy_get_next_buffer (void ); +static void yy_fatal_error (yyconst char msg[] ) __dead2; + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + (yytext_ptr) = yy_bp; \ + yyleng = (size_t) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ + *yy_cp = '\0'; \ + (yy_c_buf_p) = yy_cp; + +#define YY_NUM_RULES 14 +#define YY_END_OF_BUFFER 15 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_accept[35] = + { 0, + 0, 0, 15, 13, 1, 1, 13, 13, 13, 2, + 2, 13, 13, 13, 13, 1, 9, 10, 12, 2, + 0, 0, 2, 6, 4, 8, 5, 7, 11, 0, + 2, 0, 3, 0 + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 4, 1, 1, 1, 1, 5, 1, 1, + 1, 6, 1, 1, 1, 1, 1, 7, 8, 8, + 8, 8, 8, 8, 8, 9, 9, 10, 1, 11, + 12, 13, 1, 1, 14, 14, 14, 14, 14, 14, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 16, 15, 15, 15, 15, 15, 17, 15, 15, + 1, 1, 1, 1, 1, 1, 14, 14, 14, 14, + + 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 16, 15, 15, 15, 15, 15, 17, + 15, 15, 1, 18, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static yyconst flex_int32_t yy_meta[19] = + { 0, + 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, + 1, 1, 1, 3, 4, 4, 4, 1 + } ; + +static yyconst flex_int16_t yy_base[39] = + { 0, + 0, 0, 48, 49, 17, 19, 35, 41, 39, 16, + 0, 14, 32, 15, 25, 27, 49, 49, 49, 27, + 0, 0, 0, 49, 49, 49, 49, 49, 49, 32, + 0, 0, 0, 49, 39, 29, 34, 36 + } ; + +static yyconst flex_int16_t yy_def[39] = + { 0, + 34, 1, 34, 34, 34, 34, 34, 34, 34, 34, + 35, 34, 34, 34, 34, 34, 34, 34, 34, 34, + 36, 37, 35, 34, 34, 34, 34, 34, 34, 36, + 37, 38, 38, 0, 34, 34, 34, 34 + } ; + +static yyconst flex_int16_t yy_nxt[68] = + { 0, + 4, 5, 6, 7, 8, 9, 10, 11, 11, 4, + 12, 13, 14, 4, 4, 4, 4, 15, 16, 16, + 16, 16, 20, 20, 24, 25, 27, 28, 16, 16, + 30, 21, 22, 20, 20, 31, 31, 33, 33, 33, + 23, 32, 29, 26, 19, 18, 17, 34, 3, 34, + 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34 + } ; + +static yyconst flex_int16_t yy_chk[68] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, + 6, 6, 10, 10, 12, 12, 14, 14, 16, 16, + 36, 10, 10, 20, 20, 37, 37, 38, 38, 38, + 35, 30, 15, 13, 9, 8, 7, 3, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 34, 34 + } ; + +static yy_state_type yy_last_accepting_state; +static char *yy_last_accepting_cpos; + +extern int yy_flex_debug; +int yy_flex_debug = 0; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +char *yytext; +#define YY_NO_INPUT 1 +/* $OpenBSD: tokenizer.l,v 1.9 2017/06/15 13:48:42 bcallah Exp $ */ +/* + * Copyright (c) 2004 Marc Espie + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * $FreeBSD$ + */ +#include "parser.h" +#include +#include +#include +#include +#include + +extern void m4_warnx(const char *, ...); +extern int mimic_gnu; +extern int32_t yylval; + +int32_t number(void); +int32_t parse_radix(void); +extern int yylex(void); + +#define YY_DECL int yylex(void) + +#define INITIAL 0 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +static int yy_init_globals (void ); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int yylex_destroy (void ); + +int yyget_debug (void ); + +void yyset_debug (int debug_flag ); + +YY_EXTRA_TYPE yyget_extra (void ); + +void yyset_extra (YY_EXTRA_TYPE user_defined ); + +FILE *yyget_in (void ); + +void yyset_in (FILE * in_str ); + +FILE *yyget_out (void ); + +void yyset_out (FILE * out_str ); + +yy_size_t yyget_leng (void ); + +char *yyget_text (void ); + +int yyget_lineno (void ); + +void yyset_lineno (int line_number ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int yywrap (void ); +#else +extern int yywrap (void ); +#endif +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (void ); +#else +static int input (void ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + size_t n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int yylex (void); + +#define YY_DECL int yylex (void) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + yy_state_type yy_current_state; + char *yy_cp, *yy_bp; + int yy_act; + + + + if ( !(yy_init) ) + { + (yy_init) = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); + } + + yy_load_buffer_state( ); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = (yy_c_buf_p); + + /* Support of yytext. */ + *yy_cp = (yy_hold_char); + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = (yy_start); +yy_match: + do + { + YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 35 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + ++yy_cp; + } + while ( yy_base[yy_current_state] != 49 ); + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + if ( yy_act == 0 ) + { /* have to back up */ + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + yy_act = yy_accept[yy_current_state]; + } + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = (yy_hold_char); + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + goto yy_find_action; + +case 1: +/* rule 1 can match eol */ +YY_RULE_SETUP +{/* just skip it */} + YY_BREAK +case 2: +YY_RULE_SETUP +{ yylval = number(); return(NUMBER); } + YY_BREAK +case 3: +YY_RULE_SETUP +{ if (mimic_gnu) { + yylval = parse_radix(); return(NUMBER); + } else { + return(ERROR); + } + } + YY_BREAK +case 4: +YY_RULE_SETUP +{ return(LE); } + YY_BREAK +case 5: +YY_RULE_SETUP +{ return(GE); } + YY_BREAK +case 6: +YY_RULE_SETUP +{ return(LSHIFT); } + YY_BREAK +case 7: +YY_RULE_SETUP +{ return(RSHIFT); } + YY_BREAK +case 8: +YY_RULE_SETUP +{ return(EQ); } + YY_BREAK +case 9: +YY_RULE_SETUP +{ return(NE); } + YY_BREAK +case 10: +YY_RULE_SETUP +{ return(LAND); } + YY_BREAK +case 11: +YY_RULE_SETUP +{ return(LOR); } + YY_BREAK +case 12: +YY_RULE_SETUP +{ if (mimic_gnu) { return (EXPONENT); } } + YY_BREAK +case 13: +YY_RULE_SETUP +{ return yytext[0]; } + YY_BREAK +case 14: +YY_RULE_SETUP +ECHO; + YY_BREAK +case YY_STATE_EOF(INITIAL): + yyterminate(); + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = (yy_hold_char); + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * yylex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++(yy_c_buf_p); + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = (yy_c_buf_p); + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_END_OF_FILE: + { + (yy_did_buffer_switch_on_eof) = 0; + + if ( yywrap( ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = + (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + (yy_c_buf_p) = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ +} /* end of yylex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (void) +{ + char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + char *source = (yytext_ptr); + int number_to_move, i; + int ret_val; + + if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; + + else + { + yy_size_t num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE; + + int yy_c_buf_p_offset = + (int) ((yy_c_buf_p) - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + yy_size_t new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - + number_to_move - 1; + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + (yy_n_chars), num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + if ( (yy_n_chars) == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + yyrestart(yyin ); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + } + + (yy_n_chars) += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; + + (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (void) +{ + yy_state_type yy_current_state; + char *yy_cp; + + yy_current_state = (yy_start); + + for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) + { + YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 35 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) +{ + int yy_is_jam; + char *yy_cp = (yy_c_buf_p); + + YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 35 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 34); + + return yy_is_jam ? 0 : yy_current_state; +} + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (void) +#else + static int input (void) +#endif + +{ + int c; + + *(yy_c_buf_p) = (yy_hold_char); + + if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + /* This was really a NUL. */ + *(yy_c_buf_p) = '\0'; + + else + { /* need more input */ + yy_size_t offset = (yy_c_buf_p) - (yytext_ptr); + ++(yy_c_buf_p); + + switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + yyrestart(yyin ); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( yywrap( ) ) + return EOF; + + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = (yytext_ptr) + offset; + break; + } + } + } + + c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ + *(yy_c_buf_p) = '\0'; /* preserve yytext */ + (yy_hold_char) = *++(yy_c_buf_p); + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * + * @note This function does not reset the start condition to @c INITIAL . + */ + void yyrestart (FILE * input_file ) +{ + + if ( ! YY_CURRENT_BUFFER ){ + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); + } + + yy_init_buffer(YY_CURRENT_BUFFER,input_file ); + yy_load_buffer_state( ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * + */ + void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) +{ + + /* TODO. We should be able to replace this entire function body + * with + * yypop_buffer_state(); + * yypush_buffer_state(new_buffer); + */ + yyensure_buffer_stack (); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + yy_load_buffer_state( ); + + /* We don't actually know whether we did this switch during + * EOF (yywrap()) processing, but the only time this flag + * is looked at is after yywrap() is called, so it's safe + * to go ahead and always set it. + */ + (yy_did_buffer_switch_on_eof) = 1; +} + +static void yy_load_buffer_state (void) +{ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + (yy_hold_char) = *(yy_c_buf_p); +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * + * @return the allocated buffer state. + */ + YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + yy_init_buffer(b,file ); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with yy_create_buffer() + * + */ + void yy_delete_buffer (YY_BUFFER_STATE b ) +{ + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + yyfree((void *) b->yy_ch_buf ); + + yyfree((void *) b ); +} + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a yyrestart() or at EOF. + */ + static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) + +{ + int oerrno = errno; + + yy_flush_buffer(b ); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then yy_init_buffer was _probably_ + * called from yyrestart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * + */ + void yy_flush_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + yy_load_buffer_state( ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * + */ +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) +{ + if (new_buffer == NULL) + return; + + yyensure_buffer_stack(); + + /* This block is copied from yy_switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + (yy_buffer_stack_top)++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from yy_switch_to_buffer. */ + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * + */ +void yypop_buffer_state (void) +{ + if (!YY_CURRENT_BUFFER) + return; + + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + if ((yy_buffer_stack_top) > 0) + --(yy_buffer_stack_top); + + if (YY_CURRENT_BUFFER) { + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void yyensure_buffer_stack (void) +{ + yy_size_t num_to_alloc; + + if (!(yy_buffer_stack)) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + (yy_buffer_stack_max) = num_to_alloc; + (yy_buffer_stack_top) = 0; + return; + } + + if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc + ((yy_buffer_stack), + num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); + (yy_buffer_stack_max) = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + yy_switch_to_buffer(b ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to yylex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * yy_scan_bytes() instead. + */ +YY_BUFFER_STATE yy_scan_string (yyconst char * yystr ) +{ + + return yy_scan_bytes(yystr,strlen(yystr) ); +} + +/** Setup the input buffer state to scan the given bytes. The next call to yylex() will + * scan from a @e copy of @a bytes. + * @param yybytes the byte buffer to scan + * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, yy_size_t _yybytes_len ) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + yy_size_t i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = _yybytes_len + 2; + buf = (char *) yyalloc(n ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = yy_scan_buffer(buf,n ); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yy_fatal_error (yyconst char* msg ) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + yytext[yyleng] = (yy_hold_char); \ + (yy_c_buf_p) = yytext + yyless_macro_arg; \ + (yy_hold_char) = *(yy_c_buf_p); \ + *(yy_c_buf_p) = '\0'; \ + yyleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the current line number. + * + */ +int yyget_lineno (void) +{ + + return yylineno; +} + +/** Get the input stream. + * + */ +FILE *yyget_in (void) +{ + return yyin; +} + +/** Get the output stream. + * + */ +FILE *yyget_out (void) +{ + return yyout; +} + +/** Get the length of the current token. + * + */ +yy_size_t yyget_leng (void) +{ + return yyleng; +} + +/** Get the current token. + * + */ + +char *yyget_text (void) +{ + return yytext; +} + +/** Set the current line number. + * @param line_number + * + */ +void yyset_lineno (int line_number ) +{ + + yylineno = line_number; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * + * @see yy_switch_to_buffer + */ +void yyset_in (FILE * in_str ) +{ + yyin = in_str ; +} + +void yyset_out (FILE * out_str ) +{ + yyout = out_str ; +} + +int yyget_debug (void) +{ + return yy_flex_debug; +} + +void yyset_debug (int bdebug ) +{ + yy_flex_debug = bdebug ; +} + +static int yy_init_globals (void) +{ + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from yylex_destroy(), so don't allocate here. + */ + + (yy_buffer_stack) = 0; + (yy_buffer_stack_top) = 0; + (yy_buffer_stack_max) = 0; + (yy_c_buf_p) = (char *) 0; + (yy_init) = 0; + (yy_start) = 0; + +/* Defined in main.c */ +#ifdef YY_STDINIT + yyin = stdin; + yyout = stdout; +#else + yyin = (FILE *) 0; + yyout = (FILE *) 0; +#endif + + /* For future reference: Set errno on error, since we are called by + * yylex_init() + */ + return 0; +} + +/* yylex_destroy is for both reentrant and non-reentrant scanners. */ +int yylex_destroy (void) +{ + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + yypop_buffer_state(); + } + + /* Destroy the stack itself. */ + yyfree((yy_buffer_stack) ); + (yy_buffer_stack) = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * yylex() is called, initialization will occur. */ + yy_init_globals( ); + + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) +{ + int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s ) +{ + int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *yyalloc (yy_size_t size ) +{ + return (void *) malloc( size ); +} + +void *yyrealloc (void * ptr, yy_size_t size ) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); +} + +void yyfree (void * ptr ) +{ + free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + + + + +int32_t +number(void) +{ + long l; + + errno = 0; + l = strtol(yytext, NULL, 0); + if (((l == LONG_MAX || l == LONG_MIN) && errno == ERANGE) || + l > INT32_MAX || l < INT32_MIN) { + m4_warnx("numeric overflow in expr: %s", yytext); + } + return l; +} + +int32_t +parse_radix(void) +{ + long base; + char *next; + long l; + int d; + + l = 0; + base = strtol(yytext+2, &next, 0); + if (base > 36 || next == NULL) { + m4_warnx("error in number %s", yytext); + } else { + next++; + while (*next != 0) { + if (*next >= '0' && *next <= '9') + d = *next - '0'; + else if (*next >= 'a' && *next <= 'z') + d = *next - 'a' + 10; + else { + assert(*next >= 'A' && *next <= 'Z'); + d = *next - 'A' + 10; + } + if (d >= base) { + m4_warnx("error in number %s", yytext); + return 0; + } + l = base * l + d; + next++; + } + } + return l; +} + + Index: head/tools/build/cross-build/fake_chflags/Makefile =================================================================== --- head/tools/build/cross-build/fake_chflags/Makefile +++ head/tools/build/cross-build/fake_chflags/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +NO_OBJ= +SCRIPTS= chflags +BINDIR= /usr/bin + +.include \ No newline at end of file Index: head/tools/build/cross-build/fake_chflags/chflags =================================================================== --- head/tools/build/cross-build/fake_chflags/chflags +++ head/tools/build/cross-build/fake_chflags/chflags @@ -0,0 +1,42 @@ +#!/bin/sh -e +# +# SPDX-License-Identifier: BSD-2-Clause +# +# Copyright 2018-2020 Alex Richardson +# +# This software was developed by SRI International and the University of +# Cambridge Computer Laboratory (Department of Computer Science and +# Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the +# DARPA SSITH research programme. +# +# This software was developed by SRI International and the University of +# Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) +# ("CTSRD"), as part of the DARPA CRASH research programme. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ +# +# chflags doesn't exist on Linux, just skip the calls for now +# TODO: we could also create a wrapper that calls `chattr +i` for `chflags schg`, etc +echo "WARNING: Ignoring chflags $@" +# TODO: exit 1 Index: head/usr.bin/m4/Makefile =================================================================== --- head/usr.bin/m4/Makefile +++ head/usr.bin/m4/Makefile @@ -12,13 +12,21 @@ NO_WMISSING_VARIABLE_DECLARATIONS= -SRCS= eval.c expr.c look.c main.c misc.c gnum4.c trace.c parser.y tokenizer.l +SRCS= eval.c expr.c look.c main.c misc.c gnum4.c trace.c parser.y +.if target(bootstrap_m4_tokenizer) +# When crossbuilding on non-FreeBSD we need to first build m4 with pre-generated +# tokenizer files and the build the real m4 once we have lex+yacc. +SRCS+= tokenizer.c +.else +SRCS+= tokenizer.l +.endif +GENFILES= tokenizer.c parser.c parser.h WARNS= 3 tokenizer.o: parser.h -CLEANFILES+= parser.c parser.h tokenizer.o +CLEANFILES+= parser.c parser.h tokenizer.o tokenizer.c HAS_TESTS= SUBDIR.${MK_TESTS}+= tests