pike.git / src / program.h

version» Context lines:

pike.git/src/program.h:1: - /* - || This file is part of Pike. For copyright information see COPYRIGHT. - || Pike is distributed under GPL, LGPL and MPL. See the file COPYING - || for more information. - */ +     - #ifndef PROGRAM_H - #define PROGRAM_H -  - #include "global.h" - #include "pike_macros.h" - #include "pike_error.h" - #include "svalue.h" - #include "dmalloc.h" - #include "time_stuff.h" - #include "program_id.h" - #include "pike_rusage.h" - #include "block_alloc_h.h" -  - /* Needed to support dynamic loading on NT */ - PMOD_EXPORT extern struct program_state * Pike_compiler; -  - /* Compilation flags */ - #define COMPILATION_CHECK_FINAL 0x01 -  /* This flag is set when resolve functions should force the lookup so -  * that we don't get a placeholder back. Used for inherits. */ - #define COMPILATION_FORCE_RESOLVE 0x02 -  - /* #define FORCE_RESOLVE_DEBUG */ - /* Helper macros for force_resolve */ - #ifdef FORCE_RESOLVE_DEBUG - #define DO_IF_FRD(X) X - #else /* !FORCE_RESOLVE_DEBUG */ - #define DO_IF_FRD(X) - #endif /* FORCE_RESOLVE_DEBUG */ - #define SET_FORCE_RESOLVE(OLD) do { \ -  int tmp_ = (OLD) = Pike_compiler->flags; \ -  Pike_compiler->flags |= COMPILATION_FORCE_RESOLVE; \ -  DO_IF_FRD(fprintf(stderr, \ -  "Force resolve on. Flags:0x%04x (0x%04x)\n", \ -  Pike_compiler->flags, tmp_)); \ -  } while(0) - #define UNSET_FORCE_RESOLVE(OLD) do { \ -  int tmp_ = (Pike_compiler->flags & ~COMPILATION_FORCE_RESOLVE) | \ -  ((OLD) & COMPILATION_FORCE_RESOLVE); \ -  DO_IF_FRD(fprintf(stderr, \ -  "Force resolve unset. Flags:0x%04x (0x%04x)\n", \ -  tmp_, Pike_compiler->flags)); \ -  Pike_compiler->flags = tmp_; \ -  } while(0) -  - extern struct pike_string *this_program_string; -  - /* Common compiler subsystems */ - extern struct pike_string *parser_system_string; - extern struct pike_string *type_check_system_string; -  - #define LFUN___INIT 0 - #define LFUN_CREATE 1 - #define LFUN_DESTROY 2 - #define LFUN_ADD 3 - #define LFUN_SUBTRACT 4 - #define LFUN_AND 5 - #define LFUN_OR 6 - #define LFUN_XOR 7 - #define LFUN_LSH 8 - #define LFUN_RSH 9 - #define LFUN_MULTIPLY 10 - #define LFUN_DIVIDE 11 - #define LFUN_MOD 12 - #define LFUN_COMPL 13 - #define LFUN_EQ 14 - #define LFUN_LT 15 - #define LFUN_GT 16 - #define LFUN___HASH 17 - #define LFUN_CAST 18 - #define LFUN_NOT 19 - #define LFUN_INDEX 20 - #define LFUN_ASSIGN_INDEX 21 - #define LFUN_ARROW 22 - #define LFUN_ASSIGN_ARROW 23 - #define LFUN__SIZEOF 24 - #define LFUN__INDICES 25 - #define LFUN__VALUES 26 - #define LFUN_CALL 27 - #define LFUN_RADD 28 - #define LFUN_RSUBTRACT 29 - #define LFUN_RAND 30 - #define LFUN_ROR 31 - #define LFUN_RXOR 32 - #define LFUN_RLSH 33 - #define LFUN_RRSH 34 - #define LFUN_RMULTIPLY 35 - #define LFUN_RDIVIDE 36 - #define LFUN_RMOD 37 - #define LFUN_ADD_EQ 38 - #define LFUN__IS_TYPE 39 - #define LFUN__SPRINTF 40 - #define LFUN__EQUAL 41 - #define LFUN__M_DELETE 42 - #define LFUN__GET_ITERATOR 43 - #define LFUN_RANGE 44 -  - #define NUM_LFUNS 45 -  - /* NOTE: After this point there are only fake lfuns. -  * ie use low_find_lfun(), and NOT FIND_LFUN()! -  */ - #define LFUN__SEARCH 45 - #define LFUN__TYPES 46 - #define LFUN__SERIALIZE 47 - #define LFUN__DESERIALIZE 48 -  - extern const char *const lfun_names[]; -  - extern struct pike_string *lfun_strings[]; -  - #ifndef STRUCT_NODE_S_DECLARED - #define STRUCT_NODE_S_DECLARED - struct node_s; - typedef struct node_s node; - #endif -  - #ifndef STRUCT_OBJECT_DECLARED - #define STRUCT_OBJECT_DECLARED - struct object; - #endif -  - #undef EXTERN - #undef STRUCT - #undef PUSH - #undef POP - #undef DECLARE -  - #define STRUCT - #include "compilation.h" -  - #define EXTERN - #include "compilation.h" -  - /* Byte-code method identification. */ - #define PIKE_BYTECODE_PORTABLE -1 /* Only used by the codec. */ - #define PIKE_BYTECODE_DEFAULT 0 - #define PIKE_BYTECODE_GOTO 1 - #define PIKE_BYTECODE_SPARC 2 - #define PIKE_BYTECODE_IA32 3 - #define PIKE_BYTECODE_PPC32 4 - #define PIKE_BYTECODE_AMD64 5 - #define PIKE_BYTECODE_PPC64 6 -  - #ifndef PIKE_BYTECODE_METHOD - #error PIKE_BYTECODE_METHOD not set. - #endif -  - #if PIKE_BYTECODE_METHOD == PIKE_BYTECODE_IA32 - #define PIKE_OPCODE_T unsigned INT8 - #elif PIKE_BYTECODE_METHOD == PIKE_BYTECODE_AMD64 - #define PIKE_OPCODE_T unsigned INT8 - #elif PIKE_BYTECODE_METHOD == PIKE_BYTECODE_SPARC - #define PIKE_OPCODE_T unsigned INT32 - #elif PIKE_BYTECODE_METHOD == PIKE_BYTECODE_PPC32 - #define PIKE_OPCODE_T unsigned INT32 - #elif PIKE_BYTECODE_METHOD == PIKE_BYTECODE_PPC64 - #define PIKE_OPCODE_T unsigned INT32 - #elif PIKE_BYTECODE_METHOD == PIKE_BYTECODE_GOTO - #define PIKE_OPCODE_T void * - #define PIKE_INSTR_T void * - #else - #define PIKE_OPCODE_T unsigned INT8 - #endif -  - #ifndef PIKE_INSTR_T - /* The type for an opcode instruction identifier (not packed). In all -  * cases but PIKE_BYTECODE_GOTO, this is n - F_OFFSET where n is the -  * number in the Pike_opcodes enum. */ - #define PIKE_INSTR_T unsigned int - #endif -  - /* I need: -  * a) one type that can point to a callable function. -  * (C function, or object->fun) -  * This can for instance be an svalue. -  * -  * b) one type that once the object/program is known can point -  * to the C/PIKE function body. -  * -  * c) A number of flags to send to 'add_simul_efun' to specify side effects -  * and such. -  */ -  -  - /* -  * Max program dimensions: -  * 2^16 functions + global variables -  * 2^16 inherits -  * 2^16 arguments to pike functions -  * 2^32 efuns -  * 2^8 local variables (and arguments) -  */ -  - union idptr - { -  /* For variables: Offset of the variable in the storage pointed to -  * by inherit.storage_offset in the struct inherit that corresponds -  * to the identifier. See LOW_GET_GLOBAL and GET_GLOBAL. The stored -  * variable may be either a normal or a short svalue, depending on -  * identifier.run_time_type. (IDENTIFIER_VARIABLE) -  * -  * For pike functions: Offset to the start of the function in -  * program.program in the program pointed to by prog in the struct -  * inherit that corresponds to the identifier. Or -1 if a prototype. -  * (IDENTIFIER_PIKE_FUNCTION) -  */ -  ptrdiff_t offset; -  -  /* External symbol reference. (IDENTIFIER_EXTERN) -  * -  * Note that this bit MUST be checked to be zero -  * before looking at the other four cases! -  */ -  struct { -  unsigned short depth; /* Scope count. */ -  unsigned short id; /* Reference number. */ -  } ext_ref; -  -  /* Constant. (IDENTIFIER_CONSTANT) -  * -  * Offset of the struct program_constant in program.constants -  * in the program pointed to by prog in the struct inherit -  * that corresponds to the identifier. -  */ -  struct { -  ptrdiff_t offset; /* Offset in the constants table. */ -  } const_info; -  -  /* Getter/setter reference pair. (IDENTIFIER_VARIABLE && PIKE_T_GET_SET) -  */ -  struct { -  INT16 getter; /* Reference to getter. */ -  INT16 setter; /* Reference to setter. */ -  } gs_info; -  -  /* C function pointer. (IDENTIFIER_C_FUNCTION) */ -  void (*c_fun)(INT32); -  -  /* Direct svalue pointer. Only used in the reference vtable cache. */ -  struct svalue *sval; - }; -  - #define IDENTIFIER_VARIABLE 0 - #define IDENTIFIER_CONSTANT 1 - #define IDENTIFIER_C_FUNCTION 2 - #define IDENTIFIER_PIKE_FUNCTION 3 - #define IDENTIFIER_FUNCTION 2 - #define IDENTIFIER_TYPE_MASK 3 -  - #define IDENTIFIER_ALIAS 4 /* Identifier is an alias for another -  * (possibly extern) symbol. -  */ - #define IDENTIFIER_VARARGS 8 /* Used for functions only. */ - #define IDENTIFIER_NO_THIS_REF 8 /* Used for variables only: Don't count refs to self. */ - #define IDENTIFIER_HAS_BODY 16 /* Function has a body (set already in pass 1). */ - #define IDENTIFIER_SCOPED 32 /* This is used for local functions only */ - #define IDENTIFIER_SCOPE_USED 64 /* contains scoped local functions */ -  - #define IDENTIFIER_IS_FUNCTION(X) ((X) & IDENTIFIER_FUNCTION) - #define IDENTIFIER_IS_PIKE_FUNCTION(X) (((X) & IDENTIFIER_TYPE_MASK) == IDENTIFIER_PIKE_FUNCTION) - #define IDENTIFIER_IS_C_FUNCTION(X) (((X) & IDENTIFIER_TYPE_MASK) == IDENTIFIER_C_FUNCTION) - #define IDENTIFIER_IS_CONSTANT(X) (((X) & IDENTIFIER_TYPE_MASK) == IDENTIFIER_CONSTANT) - #define IDENTIFIER_IS_VARIABLE(X) (!((X) & IDENTIFIER_TYPE_MASK)) - #define IDENTIFIER_IS_ALIAS(X) ((X) & IDENTIFIER_ALIAS) - #define IDENTIFIER_IS_SCOPED(X) ((X) & IDENTIFIER_SCOPED) -  - #define IDENTIFIER_MASK 127 -  - /* -  * Every constant, class, function and variable -  * gets exactly one of these. -  */ - struct identifier - { -  struct pike_string *name; -  struct pike_type *type; -  unsigned INT32 filename_strno; /* Index in strings. */ -  INT_TYPE linenumber; -  unsigned INT8 identifier_flags; /* IDENTIFIER_??? */ -  unsigned INT8 run_time_type; /* PIKE_T_??? */ -  unsigned INT16 opt_flags; /* OPT_??? */ - #ifdef PROFILING -  unsigned INT32 num_calls; /* Total number of calls. */ -  unsigned INT32 recur_depth; /* Recursion depth during timing. */ -  cpu_time_t total_time; /* Total time with children. */ -  cpu_time_t self_time; /* Total time excluding children. */ - #endif /* PROFILING */ -  union idptr func; - }; -  - /* -  * This is used to store constants, both -  * inline constants and those defined explicitly with -  * the constant keyword. -  */ - struct program_constant - { -  struct svalue sval; /* Value. */ -  ptrdiff_t offset; /* Offset in identifiers to initialization function. */ - }; -  - /* -  * in the bytecode, a function starts with: -  * char num_args -  * char num_locals -  * char code[] -  */ -  - #define ID_PROTECTED 0x01 /* Symbol is not visible by indexing */ - #define ID_STATIC 0x01 /* Symbol is not visible by indexing */ - #define ID_PRIVATE 0x02 /* Symbol is not visible by inherit */ - #define ID_FINAL 0x04 /* Symbol may not be overloaded */ - #define ID_NOMASK 0x04 /* Symbol may not be overloaded (deprecated) */ - #define ID_PUBLIC 0x08 /* Anti private */ - #define ID_USED 0x10 /* This identifier has been used. Check -  * that the type is compatible when -  * overloading. */ - #define ID_LOCAL 0x20 /* Locally referenced symbol (not virtual) */ - #define ID_INLINE 0x20 /* Same as local */ - #define ID_HIDDEN 0x40 /* Symbols that are private and inherited one step later */ - #define ID_INHERITED 0x80 /* Symbol is inherited */ - #define ID_OPTIONAL 0x100 /* Symbol is not required by the interface */ - #define ID_EXTERN 0x200 /* Symbol is defined later */ - #define ID_VARIANT 0x400 /* Function is overloaded by argument. */ -  - #define ID_MODIFIER_MASK 0x07ff -  - #define ID_STRICT_TYPES 0x8000 /* #pragma strict_types */ - #define ID_SAVE_PARENT 0x10000 /* #pragma save_parent */ - #define ID_DONT_SAVE_PARENT 0x20000 /* #pragma dont_save_parent */ - #define ID_NO_DEPRECATION_WARNINGS 0x40000 /* #pragma no_deprecation_warnings */ -  -  - /* -  * All identifiers in this program -  * and all identifiers in inherited programs -  * need to have a 'struct reference' in this -  * program. When we overload a function, we simply -  * change the reference to point to the new 'struct identifier'. -  * -  * When an identifier is represented as an integer, it's typically the -  * offset of the corresponding struct reference in -  * program.identifier_references. -  */ - struct reference - { -  /* Offset of the struct inherit in program.inherits for the program -  * that the struct identifier is in. See INHERIT_FROM_PTR and -  * INHERIT_FROM_INT. */ -  unsigned INT16 inherit_offset; -  -  /* Offset of the struct identifier in program.identifiers in the -  * program pointed to by the struct inherit through inherit_offset -  * above. See ID_FROM_PTR and ID_FROM_INT. */ -  unsigned INT16 identifier_offset; -  -  /* ID_* flags - protected, private etc.. */ -  unsigned INT16 id_flags; -  -  /* V-table cache information from this point on. */ -  -  /* Run-time type for the value field if initialized. -  * PIKE_T_UNKNOWN indicates uninitialized. -  */ -  INT16 run_time_type; -  -  /* Cached value of the lookup. -  */ -  union idptr func; - }; -  - /* Magic value used as identifier reference integer to refer to this. */ - #define IDREF_MAGIC_THIS -1 -  - /* Magic values in inherit.parent_offset; see below. */ - #define OBJECT_PARENT -18 - #define INHERIT_PARENT -17 -  - /* -  * Each program has an array of these, -  * the first entry points to itself, the -  * rest are from inherited programs. -  * Note that when a program is inherited, -  * all 'struct inherit' from that program are -  * copied, so the whole tree of inherits is -  * represented. -  */ - struct inherit - { -  /* The depth of the inherited program in this program. I.e. the -  * number of times the program has been inherited, directly or -  * indirectly. -  * -  * Note that the struct inherit for the program that directly -  * inherited the program represented by this struct inherit can be -  * found by going backwards in program.inherits from this struct -  * until one is found with an inherit_level less than this one. */ -  INT16 inherit_level; -  -  /* All the identifier references in the inherited program have been -  * copied to this program with the first one at this offset. */ -  INT16 identifier_level; -  -  /* The index of the identifier reference in the parent program for -  * the identifier from which this inherit was done. -1 if there's no -  * such thing. It's always -1 in the inherit struct for the top -  * level program. */ -  INT16 parent_identifier; -  -  /* Describes how to find the parent object for the external -  * identifier references associated with this inherit: -  * -  * OBJECT_PARENT: Follow the object parent, providing -  * PROGRAM_USES_PARENT is set in the program containing this -  * inherit. See PARENT_INFO. This is used for external references -  * in the top level program (i.e. the one containing the inherit -  * table). -  * -  * INHERIT_PARENT: Follow the parent pointer in this inherit. This -  * is used when finished programs with parent objects are -  * inherited. -  * -  * A non-negative integer: The parent is found by following this -  * number of parent pointers in the program that directly -  * inherited the program in this inherit, i.e. in the closest -  * lower level inherit. This is used when a program is inherited -  * whose parent is still being compiled, so it's parent object is -  * fake. That implies that that program also contains the current -  * program on some level, and that level is stored here. An -  * example: -  * -  * class A { -  * class B {} -  * class C { -  * class D { -  * inherit B; -  * } -  * } -  * } -  * -  * The parent program of B is A, which is still being compiled -  * when B is inherited in D, so it has a fake object. A is also -  * the parent of D, but two levels out, and hence 2 is stored in -  * parent_offset. -  * -  * Note that parent_offset can be 0: -  * -  * class A { -  * class B {} -  * inherit B; -  * } -  */ -  INT16 parent_offset; -  -  /* The offset of the first entry in prog->identifier_references that -  * comes from the program in this inherit. prog is in this case the -  * program that directly inherited it, and not the top level -  * program. I.e. for inherits on level 1, this is always the same as -  * identifier_level. -  * -  * Are both really necessary? /mast */ -  size_t identifier_ref_offset; -  -  /* Offset in object->storage to the start of the storage for the -  * variables from the program in this inherit. */ -  ptrdiff_t storage_offset; -  -  /* The parent object for the program in this inherit, or NULL if -  * there isn't any. */ -  struct object *parent; -  -  /* The program for this inherit. */ -  struct program *prog; -  -  /* The name of the inherit, if there is any. For nested inherits, -  * this can be a string on the form "A::B::C". */ -  struct pike_string *name; - }; -  -  - /* -  * Storage struct for a trampoline object -  * (not a part of the program type) -  */ - struct pike_trampoline - { -  struct pike_frame *frame; -  INT32 func; - }; -  -  -  - /* program parts have been realloced into one block */ - #define PROGRAM_OPTIMIZED 1 -  - /* program has gone through pass 1 of compiler, prototypes etc. will -  * not change from now on -  */ - #define PROGRAM_FIXED 2 -  - /* Program is done and can be cloned */ - #define PROGRAM_FINISHED 4 -  - /* Program has gone through first compiler pass */ - #define PROGRAM_PASS_1_DONE 8 -  - /* Program will be destructed as soon at it runs out of references. -  * Normally only used for mutex lock keys and similar -  */ - #define PROGRAM_DESTRUCT_IMMEDIATE 0x10 -  - /* Self explanatory, automatically detected */ - #define PROGRAM_HAS_C_METHODS 0x20 -  - /* Objects created from this program are constant and shareable */ - #define PROGRAM_CONSTANT 0x40 -  - /* Objects have pointers to the parent object. Use LOW_PARENT_INFO or -  * PARENT_INFO to extract it. */ - #define PROGRAM_USES_PARENT 0x80 -  - /* Objects should not be destructed even when they only have weak -  * references left. */ - #define PROGRAM_NO_WEAK_FREE 0x100 -  - /* Objects should not be destructed by f_destruct(). */ - #define PROGRAM_NO_EXPLICIT_DESTRUCT 0x200 -  - /* Program is in an inconsistant state */ - #define PROGRAM_AVOID_CHECK 0x400 -  - /* Program has not yet been used for compilation */ - #define PROGRAM_VIRGIN 0x800 -  - /* Don't allow the program to be inherited or cloned if there's no -  * parent object. Might only be set if PROGRAM_USES_PARENT is. */ - #define PROGRAM_NEEDS_PARENT 0x1000 -  - /* Program has code to be executed when it's destructed. This causes -  * the gc to consider objects of this program to be "live" and will -  * take care to ensure a good destruct sequence so that other -  * referenced things are intact as far as possible when the object is -  * destructed. See the blurb near the top of gc.c for further -  * discussion. -  * -  * This flag gets set automatically when an event handler that might -  * act on PROG_EVENT_EXIT is installed (i.e. through set_exit_callback -  * or pike_set_prog_event_callback). However, if the handler is very -  * simple then this flag may be cleared again to allow the gc to -  * handle objects of this program more efficiently (by considering -  * them "dead" and destroy them in an arbitrary order). -  * -  * Such a "very simple" handler should only do things like freeing -  * pointers and clearing variables in the object storage. It can not -  * assume that any other context is intact when it's called. It might -  * even get called after the module exit function, which means that -  * this optimization trick can never be used in a dynamically loaded -  * module. */ - #define PROGRAM_LIVE_OBJ 0x2000 -  - /* Using define instead of enum allows for ifdefs - Hubbe */ - #define PROG_EVENT_INIT 0 - #define PROG_EVENT_EXIT 1 - #define PROG_EVENT_GC_RECURSE 2 - #define PROG_EVENT_GC_CHECK 3 - #define NUM_PROG_EVENTS 4 -  - /* These macros should only be used if (p->flags & PROGRAM_USES_PARENT) -  * is true -  */ - #define LOW_PARENT_INFO(O,P) ((struct parent_info *)(PIKE_OBJ_STORAGE((O)) + (P)->parent_info_storage)) - #define PARENT_INFO(O) LOW_PARENT_INFO( (O), (O)->prog) -  - /* -  * Objects which needs to access their parent -  * have to allocate one of these structs in -  * the object data area. -  * The parent_info_storage member of the program -  * struct tells us where in the object to find this -  * data. -  */ - struct parent_info - { -  struct object *parent; -  INT16 parent_identifier; - }; -  - /* Single entry cache for object indexing. */ - struct identifier_lookup_cache - { -  INT32 program_id; -  INT32 identifier_id; - }; -  - struct program - { -  PIKE_MEMORY_OBJECT_MEMBERS; /* Must be first */ -  -  INT32 id; /* used to identify program in caches */ -  /* storage_needed - storage needed in object struct -  * the first inherit[0].storage_offset bytes are not used and are -  * subtracted when inheriting. -  */ -  ptrdiff_t storage_needed; /* storage needed in the object struct */ -  ptrdiff_t xstorage; /* Non-inherited storage */ -  ptrdiff_t parent_info_storage; -  -  INT16 flags; /* PROGRAM_* */ -  unsigned INT8 alignment_needed; -  struct timeval timestamp; -  -  struct program *next; -  struct program *prev; -  struct program *parent; -  -  node *(*optimize)(node *n); -  -  void (*event_handler)(int); - #ifdef PIKE_DEBUG -  unsigned INT32 checksum; - #endif - #ifdef PROFILING -  unsigned INT32 num_clones; - #endif /* PROFILING */ -  -  size_t total_size; -  - #define FOO(NUMTYPE,TYPE,ARGTYPE,NAME) TYPE * NAME ; - #include "program_areas.h" -  - #define FOO(NUMTYPE,TYPE,ARGTYPE,NAME) NUMTYPE PIKE_CONCAT(num_,NAME) ; - #include "program_areas.h" -  -  INT16 lfuns[NUM_LFUNS]; - }; -  - PMOD_EXPORT void dump_program_tables (const struct program *p, int indent); - #ifdef PIKE_DEBUG - static INLINE int CHECK_IDREF_RANGE (int x, const struct program *p) - { -  if (x < 0 || x >= p->num_identifier_references) { -  dump_program_tables(p, 4); -  debug_fatal ("Identifier reference index %d out of range 0..%d\n", x, -  p->num_identifier_references - 1); -  } -  return x; - } - #else - #define CHECK_IDREF_RANGE(X, P) (X) - #endif -  - #define PTR_FROM_INT(P, X) ((P)->identifier_references + \ -  CHECK_IDREF_RANGE((X), (P))) -  - #define INHERIT_FROM_PTR(P,X) (dmalloc_touch(struct program *,(P))->inherits + (X)->inherit_offset) - #define PROG_FROM_PTR(P,X) (dmalloc_touch(struct program *,INHERIT_FROM_PTR(P,X)->prog)) - #define ID_FROM_PTR(P,X) (PROG_FROM_PTR(P,X)->identifiers+(X)->identifier_offset) - #define INHERIT_FROM_INT(P,X) INHERIT_FROM_PTR(P, PTR_FROM_INT(P, X)) - #define PROG_FROM_INT(P,X) PROG_FROM_PTR(P, PTR_FROM_INT(P, X)) - #define ID_FROM_INT(P,X) ID_FROM_PTR(P, PTR_FROM_INT(P, X)) -  - #define FIND_LFUN(P,N) ( dmalloc_touch(struct program *,(P))->flags & PROGRAM_FIXED?((P)->lfuns[(N)]):low_find_lfun((P), (N)) ) - #define QUICK_FIND_LFUN(P,N) (dmalloc_touch(struct program *,(P))->lfuns[N]) -  - #ifdef DO_PIKE_CLEANUP - PMOD_EXPORT extern int gc_external_refs_zapped; - PMOD_EXPORT void gc_check_zapped (void *a, TYPE_T type, const char *file, INT_TYPE line); - #endif -  - #if defined (USE_DLL) && defined (DYNAMIC_MODULE) - /* Use the function in modules so we don't have to export the block -  * alloc stuff. */ - #define free_program(p) do_free_program(p) - #else - #define free_program(p) do{ \ -  struct program *_=(p); \ -  debug_malloc_touch(_); \ -  DO_IF_DEBUG ( \ -  DO_IF_PIKE_CLEANUP ( \ -  if (gc_external_refs_zapped) \ -  gc_check_zapped (_, PIKE_T_PROGRAM, __FILE__, __LINE__))); \ -  if(!sub_ref(_)) \ -  really_free_program(_); \ -  }while(0) - #endif -  - BLOCK_ALLOC_FILL_PAGES(program, n/a); -  -  - extern struct program *first_program; - extern struct program *null_program; - extern struct program *compilation_env_program; - extern struct program *compilation_program; - extern struct object *compilation_environment; - extern struct program *pike_trampoline_program; - extern struct program *gc_internal_program; - extern struct program *placeholder_program; - extern struct object *placeholder_object; -  - /* Flags for identifier finding... */ - #define SEE_STATIC 1 - #define SEE_PROTECTED 1 - #define SEE_PRIVATE 2 -  - /* Report levels */ - #define REPORT_NOTICE 0 /* FYI. */ - #define REPORT_WARNING 1 /* Compiler warning. */ - #define REPORT_ERROR 2 /* Compilation error. */ - #define REPORT_FATAL 3 /* Unrecoverable error. */ -  -  - #define COMPILER_IN_CATCH 1 -  - #define ADD_STORAGE(X) low_add_storage(sizeof(X), ALIGNOF(X),0) -  - #define STORAGE_NEEDED(X) ((X)->storage_needed - (X)->inherits[0].storage_offset) -  - #define FOO(NUMTYPE,TYPE,ARGTYPE,NAME) \ -  void PIKE_CONCAT(add_to_,NAME)(ARGTYPE ARG); - #define BAR(NUMTYPE,TYPE,ARGTYPE,NAME) \ -  void PIKE_CONCAT(low_add_many_to_,NAME)(struct program_state *state, ARGTYPE *ARG, NUMTYPE cnt); \ -  void PIKE_CONCAT(add_to_,NAME)(ARGTYPE ARG); - #include "program_areas.h" -  - typedef int supporter_callback (void *, int); -  - struct Supporter - { - #ifdef PIKE_DEBUG -  int magic; - #endif -  -  struct Supporter *previous; -  /* Makes up a linked list of supporters with the first one in -  * current_supporter. Supporters are linked onto this list during -  * the (recursive) compilation of each compilation unit (i.e. -  * compiled string). Thus nested programs and programs built from C -  * don't have supporters. */ -  -  struct Supporter *depends_on; -  /* The supporter furthest in on the current_supporter linked list -  * that this one depends on. When it gets unlinked from that list, -  * this becomes a back pointer for the dependants linked list -  * below. */ -  -  struct Supporter *dependants, *next_dependant; -  /* dependants points to a linked list of supporters that depends on -  * this one, and next_dependant makes up the links between those -  * supporters. A supporter is linked onto this list when it is -  * unlinked from the current_supporter list. */ -  -  struct object *self; -  supporter_callback *fun; -  void *data; -  -  struct program *prog; -  /* The top level program in the compilation unit. */ - }; -  - /* Prototypes begin here */ - PMOD_EXPORT void do_free_program (struct program *p); - void ins_int(INT32 i, void (*func)(char tmp)); - void ins_short(int i, void (*func)(char tmp)); - void add_relocated_int_to_program(INT32 i); - void use_module(struct svalue *s); - void unuse_modules(INT32 howmany); - node *find_module_identifier(struct pike_string *ident, -  int see_inherit); - node *resolve_identifier(struct pike_string *ident); - PMOD_EXPORT struct program *resolve_program(struct pike_string *ident); - node *program_magic_identifier (struct program_state *state, -  int state_depth, int inherit_num, -  struct pike_string *ident, -  int colon_colon_ref); - struct program *parent_compilation(int level); - struct program *id_to_program(INT32 id); - void optimize_program(struct program *p); - void fsort_program_identifier_index(unsigned short *start, -  unsigned short *end, -  struct program *p); - struct pike_string *find_program_name(struct program *p, INT_TYPE *line); - int override_identifier (struct reference *ref, struct pike_string *name); - void fixate_program(void); - struct program *low_allocate_program(void); - void low_start_new_program(struct program *p, -  int pass, -  struct pike_string *name, -  int flags, -  int *idp); - PMOD_EXPORT void debug_start_new_program(INT_TYPE line, const char *file); - void dump_program_desc(struct program *p); - int sizeof_variable(int run_time_type); - void check_program(struct program *p); - struct program *end_first_pass(int finish); - PMOD_EXPORT struct program *debug_end_program(void); - PMOD_EXPORT size_t low_add_storage(size_t size, size_t alignment, -  ptrdiff_t modulo_orig); - PMOD_EXPORT void set_init_callback(void (*init_callback)(struct object *)); - PMOD_EXPORT void set_exit_callback(void (*exit_callback)(struct object *)); - PMOD_EXPORT void set_gc_recurse_callback(void (*m)(struct object *)); - PMOD_EXPORT void set_gc_check_callback(void (*m)(struct object *)); - PMOD_EXPORT void pike_set_prog_event_callback(void (*cb)(int)); - PMOD_EXPORT void pike_set_prog_optimize_callback(node *(*opt)(node *)); - int really_low_reference_inherited_identifier(struct program_state *q, -  int e, -  int i); - int low_reference_inherited_identifier(struct program_state *q, -  int e, -  struct pike_string *name, -  int flags); - int find_inherit(struct program *p, struct pike_string *name); - PMOD_EXPORT int reference_inherited_identifier(struct program_state *state, -  struct pike_string *inherit, -  struct pike_string *name); - void rename_last_inherit(struct pike_string *n); - PMOD_EXPORT void low_inherit(struct program *p, -  struct object *parent, -  int parent_identifier, -  int parent_offset, -  INT32 flags, -  struct pike_string *name); - PMOD_EXPORT void do_inherit(struct svalue *s, -  INT32 flags, -  struct pike_string *name); - void compiler_do_inherit(node *n, INT32 flags, struct pike_string *name); - int call_handle_inherit(struct pike_string *s); - void simple_do_inherit(struct pike_string *s, -  INT32 flags, -  struct pike_string *name); - int isidentifier(struct pike_string *s); - int low_define_alias(struct pike_string *name, struct pike_type *type, -  int flags, int depth, int refno); - PMOD_EXPORT int define_alias(struct pike_string *name, struct pike_type *type, -  int flags, int depth, int refno); - int low_define_variable(struct pike_string *name, -  struct pike_type *type, -  INT32 flags, -  size_t offset, -  INT32 run_time_type); - PMOD_EXPORT int map_variable(const char *name, -  const char *type, -  INT32 flags, -  size_t offset, -  INT32 run_time_type); - PMOD_EXPORT int quick_map_variable(const char *name, -  int name_length, -  size_t offset, -  const char *type, -  int type_length, -  INT32 run_time_type, -  INT32 flags); - int define_variable(struct pike_string *name, -  struct pike_type *type, -  INT32 flags); - PMOD_EXPORT int simple_add_variable(const char *name, -  const char *type, -  INT32 flags); - PMOD_EXPORT int add_constant(struct pike_string *name, -  const struct svalue *c, -  INT32 flags); - PMOD_EXPORT int simple_add_constant(const char *name, -  struct svalue *c, -  INT32 flags); - PMOD_EXPORT int add_integer_constant(const char *name, -  INT_ARG_TYPE i, -  INT32 flags); - PMOD_EXPORT int low_add_integer_constant(struct pike_string *name, -  INT_ARG_TYPE i, -  INT32 flags); - PMOD_EXPORT int quick_add_integer_constant(const char *name, -  int name_length, -  INT_ARG_TYPE i, -  INT32 flags); - PMOD_EXPORT int add_float_constant(const char *name, -  FLOAT_ARG_TYPE f, -  INT32 flags); - PMOD_EXPORT int quick_add_float_constant(const char *name, -  int name_length, -  FLOAT_ARG_TYPE f, -  INT32 flags); - PMOD_EXPORT int add_string_constant(const char *name, -  const char *str, -  INT32 flags); - PMOD_EXPORT int add_program_constant(const char *name, -  struct program *p, -  INT32 flags); - PMOD_EXPORT int add_object_constant(const char *name, -  struct object *o, -  INT32 flags); - PMOD_EXPORT int add_function_constant(const char *name, void (*cfun)(INT32), const char * type, int flags); - PMOD_EXPORT int debug_end_class(const char *name, ptrdiff_t namelen, INT32 flags); - INT32 define_function(struct pike_string *name, -  struct pike_type *type, -  unsigned flags, -  unsigned function_flags, -  union idptr *func, -  unsigned opt_flags); - int really_low_find_shared_string_identifier(struct pike_string *name, -  struct program *prog, -  int flags); - int really_low_find_variant_identifier(struct pike_string *name, -  struct program *prog, -  struct pike_type *type, -  int start_pos, -  int flags); - PMOD_EXPORT int low_find_lfun(struct program *p, ptrdiff_t lfun); - int lfun_lookup_id(struct pike_string *lfun_name); - int low_find_shared_string_identifier(struct pike_string *name, -  struct program *prog); - struct ff_hash; - int find_shared_string_identifier(struct pike_string *name, -  struct program *prog); - PMOD_EXPORT int find_identifier(const char *name,struct program *prog); - int store_prog_string(struct pike_string *str); - int store_constant(const struct svalue *foo, -  int equal, -  struct pike_string *constant_name); - struct array *program_indices(struct program *p); - struct array *program_values(struct program *p); - struct array *program_types(struct program *p); - int low_program_index_no_free(struct svalue *to, struct program *p, int e, -  struct object *parent, int parent_identifier); - int program_index_no_free(struct svalue *to, struct svalue *what, -  struct svalue *ind); - INT_TYPE get_small_number(char **q); - void ext_store_program_line (struct program *prog, INT_TYPE line, -  struct pike_string *file); - void start_line_numbering(void); - void store_linenumber(INT_TYPE current_line, struct pike_string *current_file); - PMOD_EXPORT struct pike_string *low_get_program_line(struct program *prog, -  INT_TYPE *linep); - PMOD_EXPORT struct pike_string *get_program_line(struct program *prog, -  INT_TYPE *linep); - PMOD_EXPORT char *low_get_program_line_plain (struct program *prog, -  INT_TYPE *linep, -  int malloced); - PMOD_EXPORT struct pike_string *low_get_line(PIKE_OPCODE_T *pc, -  struct program *prog, -  INT_TYPE *linep); - PMOD_EXPORT char *low_get_line_plain (PIKE_OPCODE_T *pc, struct program *prog, -  INT_TYPE *linep, int malloced); - PMOD_EXPORT struct pike_string *get_line(PIKE_OPCODE_T *pc, -  struct program *prog, -  INT_TYPE *linep); - PMOD_EXPORT struct pike_string *low_get_function_line (struct object *o, -  int fun, -  INT_TYPE *linep); - PMOD_EXPORT struct pike_string *get_identifier_line(struct program *p, -  int fun, -  INT_TYPE *linep); - PMOD_EXPORT void va_yyreport(int severity_level, -  struct pike_string *file, INT_TYPE line, -  struct pike_string *system, INT32 args, -  const char *fmt, va_list vargs); - PMOD_EXPORT void low_yyreport(int severity_level, -  struct pike_string *file, INT_TYPE line, -  struct pike_string *system, -  INT32 args, const char *fmt, ...); - PMOD_EXPORT void yyreport(int severity_level, struct pike_string *system, -  INT32 args, const char *fmt, ...); - PMOD_EXPORT void yywarning(char *fmt, ...); - PMOD_EXPORT void my_yyerror(const char *fmt,...); - PMOD_EXPORT void yyerror(const char *s); - void yytype_report(int severity_level, -  struct pike_string *expect_file, INT_TYPE expect_line, -  struct pike_type *expected_t, -  struct pike_string *got_file, INT_TYPE got_line, -  struct pike_type *got_t, -  INT32 args, const char *fmt, ...); - void yytype_error(const char *msg, struct pike_type *expected_t, -  struct pike_type *got_t, unsigned int flags); - struct pike_string *format_exception_for_error_msg (struct svalue *thrown); - void handle_compile_exception (const char *yyerror_fmt, ...); - struct supporter_marker; - void count_memory_in_supporter_markers(size_t *num, size_t *size); - void verify_supporters(void); - void init_supporter(struct Supporter *s, -  supporter_callback *fun, -  void *data); - int unlink_current_supporter(struct Supporter *c); - int call_dependants(struct Supporter *s, int finish); - int report_compiler_dependency(struct program *p); - struct compilation; - void run_pass2(struct compilation *c); - PMOD_EXPORT void enter_compiler(struct pike_string *filename, -  INT_TYPE linenumber); - PMOD_EXPORT void exit_compiler(void); - struct program *compile(struct pike_string *aprog, -  struct object *ahandler, -  int amajor, int aminor, -  struct program *atarget, -  struct object *aplaceholder); - PMOD_EXPORT int pike_add_function2(const char *name, void (*cfun)(INT32), -  const char *type, unsigned flags, -  unsigned opt_flags); - PMOD_EXPORT int quick_add_function(const char *name, -  int name_length, -  void (*cfun)(INT32), -  const char *type, -  int type_length, -  unsigned flags, -  unsigned opt_flags); - void check_all_programs(void); - void placeholder_index(INT32 args); - void init_program(void); - void cleanup_program(void); - PMOD_EXPORT void visit_program (struct program *p, int action); - void gc_mark_program_as_referenced(struct program *p); - void real_gc_cycle_check_program(struct program *p, int weak); - unsigned gc_touch_all_programs(void); - void gc_check_all_programs(void); - void gc_mark_all_programs(void); - void gc_cycle_check_all_programs(void); - void gc_zap_ext_weak_refs_in_programs(void); - size_t gc_free_all_unreferenced_programs(void); - void push_compiler_frame(int lexical_scope); - void low_pop_local_variables(int level); - void pop_local_variables(int level); - void pop_compiler_frame(void); - PMOD_EXPORT ptrdiff_t low_get_storage(struct program *o, struct program *p); - PMOD_EXPORT char *get_storage(struct object *o, struct program *p); - struct program *low_program_from_function(struct object *o, INT32 i); - PMOD_EXPORT struct program *program_from_function(const struct svalue *f); - PMOD_EXPORT struct program *low_program_from_svalue(const struct svalue *s, -  struct object **parent_obj, -  int *parent_id); - PMOD_EXPORT struct program *program_from_svalue(const struct svalue *s); - struct find_child_cache_s; - int find_child(struct program *parent, struct program *child); - struct implements_cache_s; - PMOD_EXPORT int implements(struct program *a, struct program *b); - PMOD_EXPORT int is_compatible(struct program *a, struct program *b); - void yyexplain_not_compatible(int severity_level, -  struct program *a, struct program *b); - void yyexplain_not_implements(int severity_level, -  struct program *a, struct program *b); - void string_builder_explain_not_compatible(struct string_builder *s, -  struct program *a, -  struct program *b); - void string_builder_explain_not_implements(struct string_builder *s, -  struct program *a, -  struct program *b); - PMOD_EXPORT void *parent_storage(int depth); - PMOD_EXPORT void change_compiler_compatibility(int major, int minor); - void make_area_executable (char *start, size_t len); - void make_program_executable(struct program *p); - /* Prototypes end here */ -  - void count_memory_in_programs(size_t *, size_t *); -  - #ifndef PIKE_USE_MACHINE_CODE - #define make_program_executable(X) - #endif -  - #define ADD_FUNCTION(NAME, FUNC, TYPE, FLAGS) \ -  quick_add_function(NAME, CONSTANT_STRLEN(NAME), FUNC, TYPE,\ -  CONSTANT_STRLEN(TYPE), FLAGS, \ -  OPT_SIDE_EFFECT|OPT_EXTERNAL_DEPEND) -  - #define ADD_PROTOTYPE(NAME, TYPE, FLAGS) \ -  ADD_FUNCTION(NAME, 0, TYPE, FLAGS) -  - #define ADD_FUNCTION2(NAME, FUNC, TYPE, FLAGS, OPT_FLAGS) \ -  quick_add_function(NAME, CONSTANT_STRLEN(NAME), FUNC, TYPE,\ -  CONSTANT_STRLEN(TYPE), FLAGS, OPT_FLAGS) -  - #define ADD_PROTOTYPE2(NAME, TYPE, FLAGS, OPT_FLAGS) \ -  ADD_FUNCTION2(NAME, 0, TYPE, FLAGS, OPT_FLAGS) -  - #define ADD_INT_CONSTANT(NAME, CONST, FLAGS) \ -  quick_add_integer_constant(NAME, CONSTANT_STRLEN(NAME), CONST, FLAGS) -  - #define ADD_FLOAT_CONSTANT(NAME, CONST, FLAGS) \ -  quick_add_float_constant(NAME, CONSTANT_STRLEN(NAME), CONST, FLAGS) -  - #define PIKE_MAP_VARIABLE(NAME, OFFSET, TYPE, RTTYPE, FLAGS) \ -  quick_map_variable(NAME, CONSTANT_STRLEN(NAME), OFFSET, \ -  TYPE, CONSTANT_STRLEN(TYPE), RTTYPE, FLAGS) -  - #define MAP_VARIABLE(NAME, TYPE, FLAGS, OFFSET, RTYPE) \ -  PIKE_MAP_VARIABLE(NAME, OFFSET, TYPE, RTYPE, FLAGS) -  - #define ADD_FUNCTION_DTYPE(NAME,FUN,DTYPE,FLAGS) do { \ -  DTYPE_START; \ -  {DTYPE} \ -  { \ -  struct pike_string *_t; \ -  DTYPE_END(_t); \ -  quick_add_function(NAME, CONSTANT_STRLEN(NAME), FUN, \ -  _t->str, _t->len, FLAGS, \ -  OPT_SIDE_EFFECT|OPT_EXTERNAL_DEPEND); \ -  free_string(_t); \ -  } \ - } while (0) -  - #define pike_add_function(NAME, CFUN, TYPE, FLAGS) \ -  pike_add_function2(NAME, CFUN, TYPE, FLAGS, \ -  OPT_SIDE_EFFECT|OPT_EXTERNAL_DEPEND) -  - #ifndef NO_PIKE_SHORTHAND - #define add_function pike_add_function - #endif -  - #define ADD_INHERIT(PROGRAM, FLAGS) \ -  low_inherit((PROGRAM), 0, 0, 0, (FLAGS), 0) -  - #define START_NEW_PROGRAM_ID(ID) do { \ -  start_new_program(); \ -  Pike_compiler->new_program->id=PIKE_CONCAT3(PROG_,ID,_ID); \ -  }while(0) -  - #ifdef DEBUG_MALLOC - #define end_program() ((struct program *)debug_malloc_pass(debug_end_program())) - #define end_class(NAME, FLAGS) (debug_malloc_touch(Pike_compiler->new_program), debug_end_class(NAME, CONSTANT_STRLEN(NAME), FLAGS)) - #else - #define end_class(NAME,FLAGS) debug_end_class(NAME, CONSTANT_STRLEN(NAME), FLAGS) - #define end_program debug_end_program - #endif -  -  - #define start_new_program() debug_start_new_program(__LINE__,__FILE__) -  - #define visit_program_ref(P, REF_TYPE) \ -  visit_ref (pass_program (P), (REF_TYPE), \ -  (visit_thing_fn *) &visit_program, NULL) - #define gc_cycle_check_program(X, WEAK) \ -  gc_cycle_enqueue((gc_cycle_check_cb *) real_gc_cycle_check_program, (X), (WEAK)) -  - /* This can be used for backwards compatibility -  * (if added to program.h in Pike 0.6 and Pike 7.0 -  * -Hubbe -  */ - #define Pike_new_program Pike_compiler->new_program -  -  - /* Return true if compat version is equal or less than MAJOR.MINOR */ - #define TEST_COMPAT(MAJOR,MINOR) \ -  (Pike_compiler->compat_major < (MAJOR) || \ -  (Pike_compiler->compat_major == (MAJOR) && \ -  Pike_compiler->compat_minor <= (MINOR))) -  - #endif /* PROGRAM_H */ -  - /* Kludge... */ - #ifndef LAS_H - /* FIXME: Needed for the OPT_??? macros. -  * Maybe they should be moved here, since las.h includes this file anyway? -  */ - #include "las.h" - #endif /* !LAS_H */ +    Newline at end of file removed.