#include "config.h" #if USE_GMP #define O_GMP 1 #endif #ifdef __WINDOWS__ #include #include #define O_HASDRIVES 1 #define O_HASSHARES 1 #endif #if defined(__GNUC__) && !defined(MAY_ALIAS) #define MAY_ALIAS __attribute__ ((__may_alias__)) #else #define MAY_ALIAS #endif #ifndef PL_CONSOLE #define PL_KERNEL 1 #endif #ifdef __MINGW32__ #define O_XOS 1 #endif #ifndef __unix__ #if defined(_AIX) || defined(__APPLE__) || defined(__unix) || defined(__BEOS__) || defined(__NetBSD__) #define __unix__ 1 #endif #endif #ifdef THREADS #define O_PLMT 1 #endif #include "Yap.h" #include "YapHeap.h" /* try not to pollute the SWI space */ #ifdef P #undef P #endif #ifdef B #undef B #endif #ifdef S #undef S #endif #ifdef H #undef H #endif /* vsc: needs defining before getting rid of YAP locks */ static inline int do_startCritical(void) { CACHE_REGS YAPEnterCriticalSection(); return 1; } static inline int do_endCritical(void) { CACHE_REGS YAPLeaveCriticalSection(); return 1; } #define startCritical do_startCritical() #define endCritical do_endCritical() #ifdef LOCK #undef LOCK #endif #ifdef UNLOCK #undef UNLOCK #endif #include #include typedef int bool; typedef int Char; /* char that can pass EOF */ typedef uintptr_t word; /* Anonymous 4 byte object */ #if SIZE_DOUBLE==SIZEOF_INT_P #define WORDS_PER_DOUBLE 1 #else #define WORDS_PER_DOUBLE 2 #endif #define allocForeignState(size) ((void *)Yap_AllocCodeSpace(size)) #define freeForeignState(ptr, size) Yap_FreeCodeSpace((void*)(ptr)) // numbers typedef enum { V_INTEGER, /* integer (64-bit) value */ #ifdef O_GMP V_MPZ, /* mpz_t */ V_MPQ, /* mpq_t */ #endif V_FLOAT /* Floating point number (double) */ } numtype; typedef struct { numtype type; /* type of number */ union { double f; /* value as real */ int64_t i; /* value as integer */ word w[WORDS_PER_DOUBLE]; /* for packing/unpacking the double */ #ifdef O_GMP mpz_t mpz; /* GMP integer */ mpq_t mpq; /* GMP rational */ #endif } value; } number, *Number; #define TOINT_CONVERT_FLOAT 0x1 /* toIntegerNumber() */ #define TOINT_TRUNCATE 0x2 #ifdef O_GMP #define intNumber(n) ((n)->type <= V_MPZ) #else #define intNumber(n) ((n)->type < V_FLOAT) #endif #define floatNumber(n) ((n)->type >= V_FLOAT) typedef enum { NUM_ERROR = FALSE, /* Syntax error */ NUM_OK = TRUE, /* Ok */ NUM_FUNDERFLOW = -1, /* Float underflow */ NUM_FOVERFLOW = -2, /* Float overflow */ NUM_IOVERFLOW = -3 /* Integer overflow */ } strnumstat; #define Arg(N) (PL__t0+((n)-1)) #define A1 (PL__t0) #define A2 (PL__t0+1) #define A3 (PL__t0+2) #define A3 (PL__t0+2) #define A4 (PL__t0+3) #define A5 (PL__t0+4) #define A6 (PL__t0+5) #define A7 (PL__t0+6) #define A8 (PL__t0+7) #define A9 (PL__t0+8) #define A10 (PL__t0+9) /* atom_t macro layer */ #define NULL_ATOM ((atom_t)0) #if __YAP_PROLOG__ #include "dswiatoms.h" #else #include "atoms.h" #endif #if HAVE_STRING_H #include #endif #define COMMON(X) X #ifdef HAVE_LOCALE_H #include #endif #ifdef HAVE_LIMITS_H /* get MAXPATHLEN */ #include #endif #include #include #if HAVE_SYS_PARAM_H #include //MAXPATHLEN #endif #if __YAP_PROLOG__ #include "pl-yap.h" #if _WIN32 typedef int pthread_t; #define __WINDOWS__ 1 #else #include #endif #endif typedef uintptr_t PL_atomic_t; /* same a word */ #define MAXSIGNAL 64 #define SIG_PROLOG_OFFSET 32 /* Start of Prolog signals */ #define SIG_EXCEPTION (SIG_PROLOG_OFFSET+0) #ifdef O_ATOMGC #define SIG_ATOM_GC (SIG_PROLOG_OFFSET+1) #endif #define SIG_GC (SIG_PROLOG_OFFSET+2) #ifdef O_PLMT #define SIG_THREAD_SIGNAL (SIG_PROLOG_OFFSET+3) #endif #define SIG_FREECLAUSES (SIG_PROLOG_OFFSET+4) #define SIG_PLABORT (SIG_PROLOG_OFFSET+5) #define LOCAL_OVERFLOW (-1) #define GLOBAL_OVERFLOW (-2) #define TRAIL_OVERFLOW (-3) #define ARGUMENT_OVERFLOW (-4) /******************************** * UTILITIES * *********************************/ #define ROUND(p, n) ((((p) + (n) - 1) & ~((n) - 1))) /******************************** * HASH TABLES * *********************************/ #include "pl-table.h" /******************************** * OS * *********************************/ #include "pl-os.h" /******************************** * Error * *********************************/ #include "pl-error.h" /******************************** * Files * *********************************/ #include "pl-files.h" /******************************** * BUFFERS * *********************************/ #define BUFFER_RING_SIZE 16 /* foreign buffer ring (pl-fli.c) */ #include "pl-buffer.h" /******************************* * OPTION LISTS * *******************************/ #include "pl-option.h" /******************************* * TEXT PROCESSING * *******************************/ typedef enum { CVT_ok = 0, /* Conversion ok */ CVT_wide, /* Conversion needs wide characters */ CVT_partial, /* Input list is partial */ CVT_nolist, /* Input list is not a list */ CVT_nocode, /* List contains a non-code */ CVT_nochar /* List contains a non-char */ } CVT_status; typedef struct { CVT_status status; word culprit; /* for CVT_nocode/CVT_nochar */ } CVT_result; #define MAXNEWLINES 5 /* maximum # of newlines in atom */ #define LONGATOM_CHECK 0x01 /* read/1: error on intptr_t atoms */ /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Operator types. NOTE: if you change OP_*, check operatorTypeToAtom()! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ #define OP_MAXPRIORITY 1200 /* maximum operator priority */ #define OP_PREFIX 0 #define OP_INFIX 1 #define OP_POSTFIX 2 #define OP_MASK 0xf #define OP_FX (0x10|OP_PREFIX) #define OP_FY (0x20|OP_PREFIX) #define OP_XF (0x30|OP_POSTFIX) #define OP_YF (0x40|OP_POSTFIX) #define OP_XFX (0x50|OP_INFIX) #define OP_XFY (0x60|OP_INFIX) #define OP_YFX (0x70|OP_INFIX) #define CHARESCAPE (0x0004) /* module */ /******************************* * COMPARE * *******************************/ /* Results from comparison operations. Mostly used by compareStandard() */ #define CMP_ERROR -2 /* Error (out of memory) */ #define CMP_LESS -1 /* < */ #define CMP_EQUAL 0 /* == */ #define CMP_GREATER 1 /* > */ #define CMP_NOTEQ 2 /* \== */ /******************************* * NUMBERVARS * *******************************/ typedef enum { AV_BIND, AV_SKIP, AV_ERROR } av_action; typedef struct { functor_t functor; /* Functor to use ($VAR/1) */ av_action on_attvar; /* How to handle attvars */ int singletons; /* Write singletons as $VAR('_') */ } nv_options; /******************************* * GET-PROCEDURE * *******************************/ #define GP_FIND 0 /* find anywhere */ #define GP_FINDHERE 1 /* find in this module */ #define GP_CREATE 2 /* create (in this module) */ #define GP_DEFINE 4 /* define a procedure */ #define GP_RESOLVE 5 /* find defenition */ #define GP_HOW_MASK 0x0ff #define GP_NAMEARITY 0x100 /* or'ed mask */ #define GP_HIDESYSTEM 0x200 /* hide system module */ #define GP_TYPE_QUIET 0x400 /* don't throw errors on wrong types */ #define GP_EXISTENCE_ERROR 0x800 /* throw error if proc is not found */ #define GP_QUALIFY 0x1000 /* Always module-qualify */ /* get_functor() */ #define GF_EXISTING 1 #define GF_PROCEDURE 2 /* check for max arity */ #ifdef O_PLMT typedef struct free_chunk *FreeChunk; /* left-over chunk */ struct free_chunk { FreeChunk next; /* next of chain */ size_t size; /* size of free bit */ }; #endif /******************************* * LIST BUILDING * *******************************/ #include "pl-privitf.h" typedef enum { CLN_NORMAL = 0, /* Normal mode */ CLN_ACTIVE, /* Started cleanup */ CLN_FOREIGN, /* Foreign hooks */ CLN_PROLOG, /* Prolog hooks */ CLN_SHARED, /* Unload shared objects */ CLN_DATA /* Remaining data */ } cleanup_status; typedef struct { char *state; /* system's boot file */ char *startup; /* default user startup file */ int local; /* default local stack size (K) */ int global; /* default global stack size (K) */ int trail; /* default trail stack size (K) */ char *goal; /* default initialisation goal */ char *toplevel; /* default top level goal */ bool notty; /* use tty? */ char *arch; /* machine/OS we are using */ char *home; /* systems home directory */ } pl_defaults_t; typedef enum { LDATA_IDLE = 0, LDATA_SIGNALLED, LDATA_ANSWERING, LDATA_ANSWERED } ldata_status_t; typedef struct tempfile * TempFile; /* pl-os.c */ typedef struct canonical_dir * CanonicalDir; /* pl-os.c */ typedef struct on_halt * OnHalt; /* pl-os.c */ typedef struct extension_cell * ExtensionCell; /* pl-ext.c */ typedef struct initialise_handle * InitialiseHandle; typedef struct { unsigned long flags; /* Fast access to some boolean Prolog flags */ } pl_features_t; #define truePrologFlag(flag) true(&LD->prolog_flag.mask, flag) #define setPrologFlagMask(flag) set(&LD->prolog_flag.mask, flag) #define clearPrologFlagMask(flag) clear(&LD->prolog_flag.mask, flag) // LOCAL variables (heap will get this form LOCAL #define FT_ATOM 0 /* atom feature */ #define FT_BOOL 1 /* boolean feature (true, false) */ #define FT_INTEGER 2 /* integer feature */ #define FT_FLOAT 3 /* float feature */ #define FT_TERM 4 /* term feature */ #define FT_INT64 5 /* passed as int64_t */ #define FT_FROM_VALUE 0x0f /* Determine type from value */ #define FT_MASK 0x0f /* mask to get type */ #define FF_READONLY 0x10 /* feature is read-only */ #define FF_KEEP 0x20 /* keep value it already set */ #define PLFLAG_CHARESCAPE 0x000001 /* handle \ in atoms */ #define PLFLAG_GC 0x000002 /* do GC */ #define PLFLAG_TRACE_GC 0x000004 /* verbose gc */ #define PLFLAG_TTY_CONTROL 0x000008 /* allow for tty control */ #define PLFLAG_READLINE 0x000010 /* readline is loaded */ #define PLFLAG_DEBUG_ON_ERROR 0x000020 /* start tracer on error */ #define PLFLAG_REPORT_ERROR 0x000040 /* print error message */ #define PLFLAG_FILE_CASE 0x000080 /* file names are case sensitive */ #define PLFLAG_FILE_CASE_PRESERVING 0x000100 /* case preserving file names */ #define PLFLAG_DOS_FILE_NAMES 0x000200 /* dos (8+3) file names */ #define ALLOW_VARNAME_FUNCTOR 0x000400 /* Read Foo(x) as 'Foo'(x) */ #define PLFLAG_ISO 0x000800 /* Strict ISO compliance */ #define PLFLAG_OPTIMISE 0x001000 /* -O: optimised compilation */ #define PLFLAG_FILEVARS 0x002000 /* Expand $var and ~ in filename */ #define PLFLAG_AUTOLOAD 0x004000 /* do autoloading */ #define PLFLAG_CHARCONVERSION 0x008000 /* do character-conversion */ #define PLFLAG_LASTCALL 0x010000 /* Last call optimization enabled? */ #define PLFLAG_EX_ABORT 0x020000 /* abort with exception */ #define PLFLAG_BACKQUOTED_STRING 0x040000 /* `a string` */ #define PLFLAG_SIGNALS 0x080000 /* Handle signals */ #define PLFLAG_DEBUGINFO 0x100000 /* generate debug info */ #define PLFLAG_FILEERRORS 0x200000 /* Edinburgh file errors */ typedef enum { OCCURS_CHECK_FALSE = 0, OCCURS_CHECK_TRUE, OCCURS_CHECK_ERROR } occurs_check_t; typedef struct { atom_t file; /* current source file */ int line; /* current line */ int linepos; /* position in the line */ int64_t character; /* current character location */ } source_location; typedef struct exception_frame /* PL_throw exception environments */ { struct exception_frame *parent; /* parent frame */ jmp_buf exception_jmp_env; /* longjmp environment */ } exception_frame; /* vsc: global variables */ #include "pl-global.h" #define EXCEPTION_GUARDED(code, cleanup) \ { exception_frame __throw_env; \ __throw_env.parent = LD->exception.throw_environment; \ if ( setjmp(__throw_env.exception_jmp_env) != 0 ) \ { LD->exception.throw_environment = __throw_env.parent; \ cleanup; \ } else \ { LD->exception.throw_environment = &__throw_env; \ code; \ LD->exception.throw_environment = __throw_env.parent; \ } \ } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - At times an abort is not allowed because the heap is inconsistent the programmer should call startCritical to start such a code region and endCritical to end it. MT/TBD: how to handle this gracefully in the multi-threading case. Does it mean anything? - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ #ifndef TRUE #define TRUE 1 #define FALSE 0 #endif #define succeed return TRUE #define fail return FALSE #define TRY(goal) if ((goal) == FALSE) fail extern int fileerrors; extern int ttymode; #define CHARESCAPE_FEATURE 0x00001 /* handle \ in atoms */ #define GC_FEATURE 0x00002 /* do GC */ #define TRACE_GC_FEATURE 0x00004 /* verbose gc */ #define TTY_CONTROL_FEATURE 0x00008 /* allow for tty control */ #define READLINE_FEATURE 0x00010 /* readline is loaded */ #define DEBUG_ON_ERROR_FEATURE 0x00020 /* start tracer on error */ #define REPORT_ERROR_FEATURE 0x00040 /* print error message */ #define FILE_CASE_FEATURE 0x00080 /* file names are case sensitive */ #define FILE_CASE_PRESERVING_FEATURE 0x0100 /* case preserving file names */ #define DOS_FILE_NAMES_FEATURE 0x00200 /* dos (8+3) file names */ #define ISO_FEATURE 0x00800 /* Strict ISO compliance */ #define OPTIMISE_FEATURE 0x01000 /* -O: optimised compilation */ #define FILEVARS_FEATURE 0x02000 /* Expand $var and ~ in filename */ #define AUTOLOAD_FEATURE 0x04000 /* do autoloading */ #define CHARCONVERSION_FEATURE 0x08000 /* do character-conversion */ #define LASTCALL_FEATURE 0x10000 /* Last call optimization enabled? */ #define EX_ABORT_FEATURE 0x20000 /* abort with exception */ #define BACKQUOTED_STRING_FEATURE 0x40000 /* `a string` */ #define SIGNALS_FEATURE 0x80000 /* Handle signals */ #define DEBUGINFO_FEATURE 0x100000 /* generate debug info */ int defFeature(const char *c, int f, ...); int trueFeature(int f); /******************************* * WAKEUP * *******************************/ #define WAKEUP_STATE_WAKEUP 0x1 #define WAKEUP_STATE_EXCEPTION 0x2 #define WAKEUP_STATE_SKIP_EXCEPTION 0x4 typedef struct wakeup_state { fid_t fid; /* foreign frame reference */ int flags; } wakeup_state; /******************************* * STREAM I/O * *******************************/ #define REDIR_MAGIC 0x23a9bef3 typedef struct redir_context { int magic; /* REDIR_MAGIC */ IOSTREAM *stream; /* temporary output */ int is_stream; /* redirect to stream */ int redirected; /* output is redirected */ term_t term; /* redirect target */ int out_format; /* output type */ int out_arity; /* 2 for difference-list versions */ size_t size; /* size of I/O buffer */ char *data; /* data written */ char buffer[1024]; /* fast temporary buffer */ } redir_context; /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Defining built-in predicates using the new interface - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ #define EOS '\0' #define ESC ((char) 27) #define streq(s, q) ((strcmp((s), (q)) == 0)) #define CHAR_MODE 0 /* See PL_unify_char() */ #define CODE_MODE 1 #define BYTE_MODE 2 /* string stuff */ /******************************* * STRING SUPPORT * *******************************/ char * store_string(const char *s); void remove_string(char *s); /* from foreign interface */ /******************************* * FILENAME SUPPORT * *******************************/ #define PL_FILE_ABSOLUTE 0x01 /* return absolute path */ #define PL_FILE_OSPATH 0x02 /* return path in OS notation */ #define PL_FILE_SEARCH 0x04 /* use file_search_path */ #define PL_FILE_EXIST 0x08 /* demand file to exist */ #define PL_FILE_READ 0x10 /* demand read-access */ #define PL_FILE_WRITE 0x20 /* demand write-access */ #define PL_FILE_EXECUTE 0x40 /* demand execute-access */ #define PL_FILE_NOERRORS 0x80 /* do not raise exceptions */ #define PL_FA_ISO (0x20) /* Internal: ISO core predicate */ /******************************** * READ WARNINGS * *********************************/ #define ReadingSource (source_line_no > 0 && \ source_file_name != NULL_ATOM) #include typedef double real; #define true(s, a) ((s)->flags & (a)) #define false(s, a) (!true((s), (a))) #define set(s, a) ((s)->flags |= (a)) #define clear(s, a) ((s)->flags &= ~(a)) #ifdef DEBUG /* should have messages here */ #undef DEBUG #define DEBUG(LEVEL, COMMAND) #else #define DEBUG(LEVEL, COMMAND) #endif #define forwards static /* forwards function declarations */ /* uxnt package interface */ #if defined(__YAP_PROLOG__) && defined(__MINGW32__) #ifndef __WINDOWS__ #define __WINDOWS__ 1 #endif #endif extern int PL_unify_char(term_t chr, int c, int how); extern int PL_get_char(term_t chr, int *c, int eof); extern void PL_cleanup_fork(void); extern int PL_rethrow(void); extern void PL_get_number(term_t l, number *n); extern int PL_unify_atomic(term_t t, PL_atomic_t a); extern int _PL_unify_atomic(term_t t, PL_atomic_t a); extern int _PL_unify_string(term_t t, word w); #define _PL_get_arg(X,Y,Z) PL_get_arg(X,Y,Z) extern IOSTREAM ** /* provide access to Suser_input, */ _PL_streams(void); /* Suser_output and Suser_error */ extern int get_atom_text(atom_t atom, PL_chars_t *text); COMMON(int) get_string_text(atom_t atom, PL_chars_t *text ARG_LD); extern char *format_float(double f, char *buf); /**** stuff from pl-ctype.c ****/ extern IOENC initEncoding(void); /**** stuff from pl-error.c ****/ extern int PL_get_bool_ex(term_t t, int *i); extern int PL_get_nchars_ex(term_t t, size_t *len, char **s, unsigned int flags); extern int PL_get_chars_ex(term_t t, char **s, unsigned int flags); extern int PL_get_integer_ex(term_t t, int *i); extern int PL_get_long_ex(term_t t, long *i); extern int PL_get_int64_ex(term_t t, int64_t *i); extern int PL_get_intptr_ex(term_t t, intptr_t *i); extern int PL_get_bool_ex(term_t t, int *i); extern int PL_get_float_ex(term_t t, double *f); extern int PL_get_char_ex(term_t t, int *p, int eof); extern int PL_unify_list_ex(term_t l, term_t h, term_t t); extern int PL_unify_nil_ex(term_t l); extern int PL_get_list_ex(term_t l, term_t h, term_t t); extern int PL_get_nil_ex(term_t l); extern int PL_unify_bool_ex(term_t t, bool val); extern int PL_unify_bool_ex(term_t t, bool val); extern int PL_get_bool_ex(term_t t, int *i); extern int PL_get_integer_ex(term_t t, int *i); extern int PL_get_module_ex(term_t t, module_t *m); /**** stuff from pl-file.c ****/ extern void initIO(void); extern void dieIO(void); extern void protocol(const char *str, size_t n); extern bool readLine(IOSTREAM *in, IOSTREAM *out, char *buffer); extern bool tellString(char **s, size_t *size, IOENC enc); extern bool tellString(char **s, size_t *size, IOENC enc); extern bool toldString(void); extern int setupOutputRedirect(term_t to, redir_context *ctx, int redir); extern void discardOutputRedirect(redir_context *ctx); extern int closeOutputRedirect(redir_context *ctx); extern IOENC atom_to_encoding(atom_t); void closeFiles(int); atom_t PrologPrompt(void); word pl_current_input(term_t); word pl_current_output(term_t); word pl_exists_file(term_t name); char *DirName(const char *f, char *dir); void outOfCore(void); word pl_noprotocol(void); IOSTREAM *PL_current_input(void); IOSTREAM *PL_current_output(void); COMMON(int) stricmp(const char *s1, const char *s2); COMMON(word) textToString(PL_chars_t *text); COMMON(int) reportStreamError(IOSTREAM *s); extern int digitValue(int b, int c); PL_EXPORT(int) PL_unify_stream(term_t t, IOSTREAM *s); PL_EXPORT(int) PL_unify_stream_or_alias(term_t t, IOSTREAM *s); PL_EXPORT(int) PL_get_stream_handle(term_t t, IOSTREAM **s); PL_EXPORT(void) PL_write_prompt(int); PL_EXPORT(int) PL_release_stream(IOSTREAM *s); COMMON(atom_t) fileNameStream(IOSTREAM *s); COMMON(int) streamStatus(IOSTREAM *s); COMMON(int) getOutputStream(term_t t, IOSTREAM **s); COMMON(void) pushOutputContext(void); COMMON(void) popOutputContext(void); COMMON(int) getSingleChar(IOSTREAM *s, int signals); COMMON(void) prompt1(atom_t prompt); COMMON(atom_t) encoding_to_atom(IOENC enc); COMMON(int) pl_see(term_t f); COMMON(int) pl_seen(void); COMMON(int) unicode_separator(pl_wchar_t c); COMMON(word) pl_raw_read(term_t term); COMMON(word) pl_raw_read2(term_t stream, term_t term); /**** stuff from pl-error.c ****/ extern void outOfCore(void); extern void fatalError(const char *fm, ...); extern int callProlog(void * module, term_t goal, int flags, term_t *ex); extern word notImplemented(char *name, int arity); /**** stuff from pl-ctype.c ****/ extern void initCharTypes(void); /**** stuff from pl-fmt.c ****/ COMMON(word) pl_current_format_predicate(term_t chr, term_t descr, control_t h); COMMON(intptr_t) lengthList(term_t list, int errors); COMMON(word) pl_format_predicate(term_t chr, term_t descr); COMMON(word) pl_format(term_t fmt, term_t args); COMMON(word) pl_format3(term_t s, term_t fmt, term_t args); /**** stuff from pl-glob.c ****/ extern void initGlob(void); /**** stuff from pl-os.c ****/ extern void cleanupOs(void); extern void PL_clock_wait_ticks(long waited); extern void setOSFeatures(void); extern uintptr_t FreeMemory(void); extern uint64_t _PL_Random(void); extern void RemoveTemporaryFiles(void); extern int Pause(real t); char *findExecutable(const char *av0, char *buffer); extern void setOSPrologFlags(void); extern void setRandom(unsigned int *seedp); extern char *canoniseFileName(char *path); extern char *canonisePath(char *path); extern void PL_changed_cwd(void); extern struct tm *LocalTime(long *t, struct tm *r); extern size_t getenv3(const char *name, char *buf, size_t len); extern int Setenv(char *name, char *value); extern int Unsetenv(char *name); extern int System(char *cmd); extern bool expandVars(const char *pattern, char *expanded, int maxlen); /**** SWI stuff (emulated in pl-yap.c) ****/ extern int writeAtomToStream(IOSTREAM *so, atom_t at); extern int valueExpression(term_t t, Number r ARG_LD); extern word lookupAtom(const char *s, size_t len); extern atom_t lookupUCSAtom(const pl_wchar_t *s, size_t len); extern int toIntegerNumber(Number n, int flags); extern int get_atom_ptr_text(Atom a, PL_chars_t *text); extern int warning(const char *fm, ...); /**** stuff from pl-files.c ****/ void initFiles(void); int RemoveFile(const char *path); int PL_get_file_name(term_t n, char **namep, int flags); PL_EXPORT(int) PL_get_file_nameW(term_t n, wchar_t **name, int flags); COMMON(int) unifyTime(term_t t, time_t time); COMMON(char) digitName(int n, int sm); /**** stuff from pl-utf8.c ****/ size_t utf8_strlen(const char *s, size_t len); /**** stuff from pl-write.c ****/ COMMON(char *) varName(term_t var, char *buf); COMMON(int) writeUCSAtom(IOSTREAM *fd, atom_t atom, int flags); COMMON(word) pl_nl1(term_t stream); COMMON(word) pl_nl(void); COMMON(int) writeAttributeMask(atom_t name); COMMON(word) pl_write_term(term_t term, term_t options); COMMON(word) pl_write_term3(term_t stream, term_t term, term_t options); COMMON(word) pl_print(term_t term); COMMON(word) pl_write2(term_t stream, term_t term); COMMON(word) pl_writeq2(term_t stream, term_t term); COMMON(word) pl_print2(term_t stream, term_t term); COMMON(word) pl_writeln(term_t term); COMMON(word) pl_write_canonical2(term_t stream, term_t term); /* empty stub */ extern void setPrologFlag(const char *name, int flags, ...); extern int PL_set_prolog_flag(const char *name, int flags, ...); extern install_t PL_install_readline(void); COMMON(int) saveWakeup(wakeup_state *state, int forceframe ARG_LD); COMMON(void) restoreWakeup(wakeup_state *state ARG_LD); COMMON(int) priorityOperator(Module m, atom_t atom); COMMON(int) currentOperator(Module m, atom_t name, int kind, int *type, int *priority); COMMON(int) numberVars(term_t t, nv_options *opts, int n ARG_LD); COMMON(Buffer) codes_or_chars_to_buffer(term_t l, unsigned int flags, int wide, CVT_result *status); COMMON(bool) systemMode(bool accept); COMMON(void) initPrologFlagTable(void); COMMON(void) initPrologFlags(void); COMMON(int) raiseStackOverflow(int overflow); static inline word setBoolean(int *flag, term_t old, term_t new) { if ( !PL_unify_bool_ex(old, *flag) || !PL_get_bool_ex(new, flag) ) fail; succeed; } COMMON(int) getInputStream__LD(term_t t, IOSTREAM **s ARG_LD); COMMON(int) PL_get_atom__LD(term_t t1, atom_t *a ARG_LD); COMMON(int) PL_get_atom_ex__LD(term_t t, atom_t *a ARG_LD); COMMON(int) PL_get_text__LD(term_t l, PL_chars_t *text, int flags ARG_LD); COMMON(int) PL_is_variable__LD(term_t t ARG_LD); COMMON(term_t) PL_new_term_ref__LD(ARG1_LD); COMMON(void) PL_put_term__LD(term_t t1, term_t t2 ARG_LD); COMMON(int) PL_unify_atom__LD(term_t t, atom_t a ARG_LD); COMMON(int) PL_unify_integer__LD(term_t t1, intptr_t i ARG_LD); COMMON(word) pl_get_prolog_flag(term_t key, term_t value); COMMON(word) pl_prolog_flag5(term_t key, term_t value, word scope, word access, word type, control_t h); COMMON(foreign_t) pl_prolog_flag(term_t name, term_t value, control_t h); /* inlines that need ARG_LD */ static inline intptr_t skip_list(Word l, Word *tailp ARG_LD) { return (intptr_t)YAP_SkipList(l, tailp); } static inline word valHandle__LD(term_t r ARG_LD) { return (word)YAP_GetFromSlot((Int)r); } static inline void *allocHeap__LD(size_t n ARG_LD) { return YAP_AllocSpaceFromYap(n); } static inline void freeHeap__LD(void *mem, size_t n ARG_LD) { YAP_FreeSpaceFromYap(mem); } extern const PL_extension PL_predicates_from_ctype[]; extern const PL_extension PL_predicates_from_file[]; extern const PL_extension PL_predicates_from_files[]; extern const PL_extension PL_predicates_from_glob[]; extern const PL_extension PL_predicates_from_read[]; extern const PL_extension PL_predicates_from_tai[]; extern const PL_extension PL_predicates_from_write[]; extern const PL_extension PL_predicates_from_prologflag[]; extern const PL_extension PL_predicates_from_win[];