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/* Vector API for GNU compiler.

/* Vector API for GNU compiler.

   Copyright (C) 2004, 2005, 2007, 2008, 2009, 2010

   Copyright (C) 2004, 2005, 2007, 2008, 2009, 2010

   Free Software Foundation, Inc.

   Free Software Foundation, Inc.

   Contributed by Nathan Sidwell <nathan@codesourcery.com>

   Contributed by Nathan Sidwell <nathan@codesourcery.com>

This file is part of GCC.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify it under

GCC is free software; you can redistribute it and/or modify it under

the terms of the GNU General Public License as published by the Free

the terms of the GNU General Public License as published by the Free

Software Foundation; either version 3, or (at your option) any later

Software Foundation; either version 3, or (at your option) any later

version.

version.

GCC is distributed in the hope that it will be useful, but WITHOUT ANY

GCC is distributed in the hope that it will be useful, but WITHOUT ANY

WARRANTY; without even the implied warranty of MERCHANTABILITY or

WARRANTY; without even the implied warranty of MERCHANTABILITY or

FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

for more details.

for more details.

You should have received a copy of the GNU General Public License

You should have received a copy of the GNU General Public License

along with GCC; see the file COPYING3.  If not see

along with GCC; see the file COPYING3.  If not see

<http://www.gnu.org/licenses/>.  */

<http://www.gnu.org/licenses/>.  */

#ifndef GCC_VEC_H

#ifndef GCC_VEC_H

#define GCC_VEC_H

#define GCC_VEC_H

/* The macros here implement a set of templated vector types and

/* The macros here implement a set of templated vector types and

   associated interfaces.  These templates are implemented with

   associated interfaces.  These templates are implemented with

   macros, as we're not in C++ land.  The interface functions are

   macros, as we're not in C++ land.  The interface functions are

   typesafe and use static inline functions, sometimes backed by

   typesafe and use static inline functions, sometimes backed by

   out-of-line generic functions.  The vectors are designed to

   out-of-line generic functions.  The vectors are designed to

   interoperate with the GTY machinery.

   interoperate with the GTY machinery.

   Because of the different behavior of structure objects, scalar

   Because of the different behavior of structure objects, scalar

   objects and of pointers, there are three flavors, one for each of

   objects and of pointers, there are three flavors, one for each of

   these variants.  Both the structure object and pointer variants

   these variants.  Both the structure object and pointer variants

   pass pointers to objects around -- in the former case the pointers

   pass pointers to objects around -- in the former case the pointers

   are stored into the vector and in the latter case the pointers are

   are stored into the vector and in the latter case the pointers are

   dereferenced and the objects copied into the vector.  The scalar

   dereferenced and the objects copied into the vector.  The scalar

   object variant is suitable for int-like objects, and the vector

   object variant is suitable for int-like objects, and the vector

   elements are returned by value.

   elements are returned by value.

   There are both 'index' and 'iterate' accessors.  The iterator

   There are both 'index' and 'iterate' accessors.  The iterator

   returns a boolean iteration condition and updates the iteration

   returns a boolean iteration condition and updates the iteration

   variable passed by reference.  Because the iterator will be

   variable passed by reference.  Because the iterator will be

   inlined, the address-of can be optimized away.

   inlined, the address-of can be optimized away.

   The vectors are implemented using the trailing array idiom, thus

   The vectors are implemented using the trailing array idiom, thus

   they are not resizeable without changing the address of the vector

   they are not resizeable without changing the address of the vector

   object itself.  This means you cannot have variables or fields of

   object itself.  This means you cannot have variables or fields of

   vector type -- always use a pointer to a vector.  The one exception

   vector type -- always use a pointer to a vector.  The one exception

   is the final field of a structure, which could be a vector type.

   is the final field of a structure, which could be a vector type.

   You will have to use the embedded_size & embedded_init calls to

   You will have to use the embedded_size & embedded_init calls to

   create such objects, and they will probably not be resizeable (so

   create such objects, and they will probably not be resizeable (so

   don't use the 'safe' allocation variants).  The trailing array

   don't use the 'safe' allocation variants).  The trailing array

   idiom is used (rather than a pointer to an array of data), because,

   idiom is used (rather than a pointer to an array of data), because,

   if we allow NULL to also represent an empty vector, empty vectors

   if we allow NULL to also represent an empty vector, empty vectors

   occupy minimal space in the structure containing them.

   occupy minimal space in the structure containing them.

   Each operation that increases the number of active elements is

   Each operation that increases the number of active elements is

   available in 'quick' and 'safe' variants.  The former presumes that

   available in 'quick' and 'safe' variants.  The former presumes that

   there is sufficient allocated space for the operation to succeed

   there is sufficient allocated space for the operation to succeed

   (it dies if there is not).  The latter will reallocate the

   (it dies if there is not).  The latter will reallocate the

   vector, if needed.  Reallocation causes an exponential increase in

   vector, if needed.  Reallocation causes an exponential increase in

   vector size.  If you know you will be adding N elements, it would

   vector size.  If you know you will be adding N elements, it would

   be more efficient to use the reserve operation before adding the

   be more efficient to use the reserve operation before adding the

   elements with the 'quick' operation.  This will ensure there are at

   elements with the 'quick' operation.  This will ensure there are at

   least as many elements as you ask for, it will exponentially

   least as many elements as you ask for, it will exponentially

   increase if there are too few spare slots.  If you want reserve a

   increase if there are too few spare slots.  If you want reserve a

   specific number of slots, but do not want the exponential increase

   specific number of slots, but do not want the exponential increase

   (for instance, you know this is the last allocation), use the

   (for instance, you know this is the last allocation), use the

   reserve_exact operation.  You can also create a vector of a

   reserve_exact operation.  You can also create a vector of a

   specific size from the get go.

   specific size from the get go.

   You should prefer the push and pop operations, as they append and

   You should prefer the push and pop operations, as they append and

   remove from the end of the vector. If you need to remove several

   remove from the end of the vector. If you need to remove several

   items in one go, use the truncate operation.  The insert and remove

   items in one go, use the truncate operation.  The insert and remove

   operations allow you to change elements in the middle of the

   operations allow you to change elements in the middle of the

   vector.  There are two remove operations, one which preserves the

   vector.  There are two remove operations, one which preserves the

   element ordering 'ordered_remove', and one which does not

   element ordering 'ordered_remove', and one which does not

   'unordered_remove'.  The latter function copies the end element

   'unordered_remove'.  The latter function copies the end element

   into the removed slot, rather than invoke a memmove operation.  The

   into the removed slot, rather than invoke a memmove operation.  The

   'lower_bound' function will determine where to place an item in the

   'lower_bound' function will determine where to place an item in the

   array using insert that will maintain sorted order.

   array using insert that will maintain sorted order.

   When a vector type is defined, first a non-memory managed version

   When a vector type is defined, first a non-memory managed version

   is created.  You can then define either or both garbage collected

   is created.  You can then define either or both garbage collected

   and heap allocated versions.  The allocation mechanism is specified

   and heap allocated versions.  The allocation mechanism is specified

   when the type is defined, and is therefore part of the type.  If

   when the type is defined, and is therefore part of the type.  If

   you need both gc'd and heap allocated versions, you still must have

   you need both gc'd and heap allocated versions, you still must have

   *exactly* one definition of the common non-memory managed base vector.

   *exactly* one definition of the common non-memory managed base vector.

   If you need to directly manipulate a vector, then the 'address'

   If you need to directly manipulate a vector, then the 'address'

   accessor will return the address of the start of the vector.  Also

   accessor will return the address of the start of the vector.  Also

   the 'space' predicate will tell you whether there is spare capacity

   the 'space' predicate will tell you whether there is spare capacity

   in the vector.  You will not normally need to use these two functions.

   in the vector.  You will not normally need to use these two functions.

   Vector types are defined using a DEF_VEC_{O,P,I}(TYPEDEF) macro, to

   Vector types are defined using a DEF_VEC_{O,P,I}(TYPEDEF) macro, to

   get the non-memory allocation version, and then a

   get the non-memory allocation version, and then a

   DEF_VEC_ALLOC_{O,P,I}(TYPEDEF,ALLOC) macro to get memory managed

   DEF_VEC_ALLOC_{O,P,I}(TYPEDEF,ALLOC) macro to get memory managed

   vectors.  Variables of vector type are declared using a

   vectors.  Variables of vector type are declared using a

   VEC(TYPEDEF,ALLOC) macro.  The ALLOC argument specifies the

   VEC(TYPEDEF,ALLOC) macro.  The ALLOC argument specifies the

   allocation strategy, and can be either 'gc' or 'heap' for garbage

   allocation strategy, and can be either 'gc' or 'heap' for garbage

   collected and heap allocated respectively.  It can be 'none' to get

   collected and heap allocated respectively.  It can be 'none' to get

   a vector that must be explicitly allocated (for instance as a

   a vector that must be explicitly allocated (for instance as a

   trailing array of another structure).  The characters O, P and I

   trailing array of another structure).  The characters O, P and I

   indicate whether TYPEDEF is a pointer (P), object (O) or integral

   indicate whether TYPEDEF is a pointer (P), object (O) or integral

   (I) type.  Be careful to pick the correct one, as you'll get an

   (I) type.  Be careful to pick the correct one, as you'll get an

   awkward and inefficient API if you use the wrong one.  There is a

   awkward and inefficient API if you use the wrong one.  There is a

   check, which results in a compile-time warning, for the P and I

   check, which results in a compile-time warning, for the P and I

   versions, but there is no check for the O versions, as that is not

   versions, but there is no check for the O versions, as that is not

   possible in plain C.  Due to the way GTY works, you must annotate

   possible in plain C.  Due to the way GTY works, you must annotate

   any structures you wish to insert or reference from a vector with a

   any structures you wish to insert or reference from a vector with a

   GTY(()) tag.  You need to do this even if you never declare the GC

   GTY(()) tag.  You need to do this even if you never declare the GC

   allocated variants.

   allocated variants.

   An example of their use would be,

   An example of their use would be,

   DEF_VEC_P(tree);   // non-managed tree vector.

   DEF_VEC_P(tree);   // non-managed tree vector.

   DEF_VEC_ALLOC_P(tree,gc);    // gc'd vector of tree pointers.  This must

   DEF_VEC_ALLOC_P(tree,gc);    // gc'd vector of tree pointers.  This must

                                // appear at file scope.

                                // appear at file scope.

   struct my_struct {

   struct my_struct {

     VEC(tree,gc) *v;      // A (pointer to) a vector of tree pointers.

     VEC(tree,gc) *v;      // A (pointer to) a vector of tree pointers.

   };

   };

   struct my_struct *s;

   struct my_struct *s;

   if (VEC_length(tree,s->v)) { we have some contents }

   if (VEC_length(tree,s->v)) { we have some contents }

   VEC_safe_push(tree,gc,s->v,decl); // append some decl onto the end

   VEC_safe_push(tree,gc,s->v,decl); // append some decl onto the end

   for (ix = 0; VEC_iterate(tree,s->v,ix,elt); ix++)

   for (ix = 0; VEC_iterate(tree,s->v,ix,elt); ix++)

     { do something with elt }

     { do something with elt }

*/

*/

/* Macros to invoke API calls.  A single macro works for both pointer

/* Macros to invoke API calls.  A single macro works for both pointer

   and object vectors, but the argument and return types might well be

   and object vectors, but the argument and return types might well be

   different.  In each macro, T is the typedef of the vector elements,

   different.  In each macro, T is the typedef of the vector elements,

   and A is the allocation strategy.  The allocation strategy is only

   and A is the allocation strategy.  The allocation strategy is only

   present when it is required.  Some of these macros pass the vector,

   present when it is required.  Some of these macros pass the vector,

   V, by reference (by taking its address), this is noted in the

   V, by reference (by taking its address), this is noted in the

   descriptions.  */

   descriptions.  */

/* Length of vector

/* Length of vector

   unsigned VEC_T_length(const VEC(T) *v);

   unsigned VEC_T_length(const VEC(T) *v);

   Return the number of active elements in V.  V can be NULL, in which

   Return the number of active elements in V.  V can be NULL, in which

   case zero is returned.  */

   case zero is returned.  */

#define VEC_length(T,V) (VEC_OP(T,base,length)(VEC_BASE(V)))

#define VEC_length(T,V) (VEC_OP(T,base,length)(VEC_BASE(V)))

/* Check if vector is empty

/* Check if vector is empty

   int VEC_T_empty(const VEC(T) *v);

   int VEC_T_empty(const VEC(T) *v);

   Return nonzero if V is an empty vector (or V is NULL), zero otherwise.  */

   Return nonzero if V is an empty vector (or V is NULL), zero otherwise.  */

#define VEC_empty(T,V)  (VEC_length (T,V) == 0)

#define VEC_empty(T,V)  (VEC_length (T,V) == 0)

/* Get the final element of the vector.

/* Get the final element of the vector.

   T VEC_T_last(VEC(T) *v); // Integer

   T VEC_T_last(VEC(T) *v); // Integer

   T VEC_T_last(VEC(T) *v); // Pointer

   T VEC_T_last(VEC(T) *v); // Pointer

   T *VEC_T_last(VEC(T) *v); // Object

   T *VEC_T_last(VEC(T) *v); // Object

   Return the final element.  V must not be empty.  */

   Return the final element.  V must not be empty.  */

#define VEC_last(T,V)   (VEC_OP(T,base,last)(VEC_BASE(V) VEC_CHECK_INFO))

#define VEC_last(T,V)   (VEC_OP(T,base,last)(VEC_BASE(V) VEC_CHECK_INFO))

/* Index into vector

/* Index into vector

   T VEC_T_index(VEC(T) *v, unsigned ix); // Integer

   T VEC_T_index(VEC(T) *v, unsigned ix); // Integer

   T VEC_T_index(VEC(T) *v, unsigned ix); // Pointer

   T VEC_T_index(VEC(T) *v, unsigned ix); // Pointer

   T *VEC_T_index(VEC(T) *v, unsigned ix); // Object

   T *VEC_T_index(VEC(T) *v, unsigned ix); // Object

   Return the IX'th element.  If IX must be in the domain of V.  */

   Return the IX'th element.  If IX must be in the domain of V.  */

#define VEC_index(T,V,I) (VEC_OP(T,base,index)(VEC_BASE(V),I VEC_CHECK_INFO))

#define VEC_index(T,V,I) (VEC_OP(T,base,index)(VEC_BASE(V),I VEC_CHECK_INFO))

/* Iterate over vector

/* Iterate over vector

   int VEC_T_iterate(VEC(T) *v, unsigned ix, T &ptr); // Integer

   int VEC_T_iterate(VEC(T) *v, unsigned ix, T &ptr); // Integer

   int VEC_T_iterate(VEC(T) *v, unsigned ix, T &ptr); // Pointer

   int VEC_T_iterate(VEC(T) *v, unsigned ix, T &ptr); // Pointer

   int VEC_T_iterate(VEC(T) *v, unsigned ix, T *&ptr); // Object

   int VEC_T_iterate(VEC(T) *v, unsigned ix, T *&ptr); // Object

   Return iteration condition and update PTR to point to the IX'th

   Return iteration condition and update PTR to point to the IX'th

   element.  At the end of iteration, sets PTR to NULL.  Use this to

   element.  At the end of iteration, sets PTR to NULL.  Use this to

   iterate over the elements of a vector as follows,

   iterate over the elements of a vector as follows,

     for (ix = 0; VEC_iterate(T,v,ix,ptr); ix++)

     for (ix = 0; VEC_iterate(T,v,ix,ptr); ix++)

       continue;  */

       continue;  */

#define VEC_iterate(T,V,I,P)    (VEC_OP(T,base,iterate)(VEC_BASE(V),I,&(P)))

#define VEC_iterate(T,V,I,P)    (VEC_OP(T,base,iterate)(VEC_BASE(V),I,&(P)))

/* Allocate new vector.

/* Allocate new vector.

   VEC(T,A) *VEC_T_A_alloc(int reserve);

   VEC(T,A) *VEC_T_A_alloc(int reserve);

   Allocate a new vector with space for RESERVE objects.  If RESERVE

   Allocate a new vector with space for RESERVE objects.  If RESERVE

   is zero, NO vector is created.  */

   is zero, NO vector is created.  */

#define VEC_alloc(T,A,N)        (VEC_OP(T,A,alloc)(N MEM_STAT_INFO))

#define VEC_alloc(T,A,N)        (VEC_OP(T,A,alloc)(N MEM_STAT_INFO))

/* Free a vector.

/* Free a vector.

   void VEC_T_A_free(VEC(T,A) *&);

   void VEC_T_A_free(VEC(T,A) *&);

   Free a vector and set it to NULL.  */

   Free a vector and set it to NULL.  */

#define VEC_free(T,A,V) (VEC_OP(T,A,free)(&V))

#define VEC_free(T,A,V) (VEC_OP(T,A,free)(&V))

/* Use these to determine the required size and initialization of a

/* Use these to determine the required size and initialization of a

   vector embedded within another structure (as the final member).

   vector embedded within another structure (as the final member).

   size_t VEC_T_embedded_size(int reserve);

   size_t VEC_T_embedded_size(int reserve);

   void VEC_T_embedded_init(VEC(T) *v, int reserve);

   void VEC_T_embedded_init(VEC(T) *v, int reserve);

   These allow the caller to perform the memory allocation.  */

   These allow the caller to perform the memory allocation.  */

#define VEC_embedded_size(T,N)   (VEC_OP(T,base,embedded_size)(N))

#define VEC_embedded_size(T,N)   (VEC_OP(T,base,embedded_size)(N))

#define VEC_embedded_init(T,O,N) (VEC_OP(T,base,embedded_init)(VEC_BASE(O),N))

#define VEC_embedded_init(T,O,N) (VEC_OP(T,base,embedded_init)(VEC_BASE(O),N))

/* Copy a vector.

/* Copy a vector.

   VEC(T,A) *VEC_T_A_copy(VEC(T) *);

   VEC(T,A) *VEC_T_A_copy(VEC(T) *);

   Copy the live elements of a vector into a new vector.  The new and

   Copy the live elements of a vector into a new vector.  The new and

   old vectors need not be allocated by the same mechanism.  */

   old vectors need not be allocated by the same mechanism.  */

#define VEC_copy(T,A,V) (VEC_OP(T,A,copy)(VEC_BASE(V) MEM_STAT_INFO))

#define VEC_copy(T,A,V) (VEC_OP(T,A,copy)(VEC_BASE(V) MEM_STAT_INFO))

/* Determine if a vector has additional capacity.

/* Determine if a vector has additional capacity.

   int VEC_T_space (VEC(T) *v,int reserve)

   int VEC_T_space (VEC(T) *v,int reserve)

   If V has space for RESERVE additional entries, return nonzero.  You

   If V has space for RESERVE additional entries, return nonzero.  You

   usually only need to use this if you are doing your own vector

   usually only need to use this if you are doing your own vector

   reallocation, for instance on an embedded vector.  This returns

   reallocation, for instance on an embedded vector.  This returns

   nonzero in exactly the same circumstances that VEC_T_reserve

   nonzero in exactly the same circumstances that VEC_T_reserve

   will.  */

   will.  */

#define VEC_space(T,V,R) \

#define VEC_space(T,V,R) \

        (VEC_OP(T,base,space)(VEC_BASE(V),R VEC_CHECK_INFO))

        (VEC_OP(T,base,space)(VEC_BASE(V),R VEC_CHECK_INFO))

/* Reserve space.

/* Reserve space.

   int VEC_T_A_reserve(VEC(T,A) *&v, int reserve);

   int VEC_T_A_reserve(VEC(T,A) *&v, int reserve);

   Ensure that V has at least RESERVE slots available.  This will

   Ensure that V has at least RESERVE slots available.  This will

   create additional headroom.  Note this can cause V to be

   create additional headroom.  Note this can cause V to be

   reallocated.  Returns nonzero iff reallocation actually

   reallocated.  Returns nonzero iff reallocation actually

   occurred.  */

   occurred.  */

#define VEC_reserve(T,A,V,R)    \

#define VEC_reserve(T,A,V,R)    \

        (VEC_OP(T,A,reserve)(&(V),R VEC_CHECK_INFO MEM_STAT_INFO))

        (VEC_OP(T,A,reserve)(&(V),R VEC_CHECK_INFO MEM_STAT_INFO))

/* Reserve space exactly.

/* Reserve space exactly.

   int VEC_T_A_reserve_exact(VEC(T,A) *&v, int reserve);

   int VEC_T_A_reserve_exact(VEC(T,A) *&v, int reserve);

   Ensure that V has at least RESERVE slots available.  This will not

   Ensure that V has at least RESERVE slots available.  This will not

   create additional headroom.  Note this can cause V to be

   create additional headroom.  Note this can cause V to be

   reallocated.  Returns nonzero iff reallocation actually

   reallocated.  Returns nonzero iff reallocation actually

   occurred.  */

   occurred.  */

#define VEC_reserve_exact(T,A,V,R)      \

#define VEC_reserve_exact(T,A,V,R)      \

        (VEC_OP(T,A,reserve_exact)(&(V),R VEC_CHECK_INFO MEM_STAT_INFO))

        (VEC_OP(T,A,reserve_exact)(&(V),R VEC_CHECK_INFO MEM_STAT_INFO))

/* Push object with no reallocation

/* Push object with no reallocation

   T *VEC_T_quick_push (VEC(T) *v, T obj); // Integer

   T *VEC_T_quick_push (VEC(T) *v, T obj); // Integer

   T *VEC_T_quick_push (VEC(T) *v, T obj); // Pointer

   T *VEC_T_quick_push (VEC(T) *v, T obj); // Pointer

   T *VEC_T_quick_push (VEC(T) *v, T *obj); // Object

   T *VEC_T_quick_push (VEC(T) *v, T *obj); // Object

   Push a new element onto the end, returns a pointer to the slot

   Push a new element onto the end, returns a pointer to the slot

   filled in. For object vectors, the new value can be NULL, in which

   filled in. For object vectors, the new value can be NULL, in which

   case NO initialization is performed.  There must

   case NO initialization is performed.  There must

   be sufficient space in the vector.  */

   be sufficient space in the vector.  */

#define VEC_quick_push(T,V,O)   \

#define VEC_quick_push(T,V,O)   \

        (VEC_OP(T,base,quick_push)(VEC_BASE(V),O VEC_CHECK_INFO))

        (VEC_OP(T,base,quick_push)(VEC_BASE(V),O VEC_CHECK_INFO))

/* Push object with reallocation

/* Push object with reallocation

   T *VEC_T_A_safe_push (VEC(T,A) *&v, T obj); // Integer

   T *VEC_T_A_safe_push (VEC(T,A) *&v, T obj); // Integer

   T *VEC_T_A_safe_push (VEC(T,A) *&v, T obj); // Pointer

   T *VEC_T_A_safe_push (VEC(T,A) *&v, T obj); // Pointer

   T *VEC_T_A_safe_push (VEC(T,A) *&v, T *obj); // Object

   T *VEC_T_A_safe_push (VEC(T,A) *&v, T *obj); // Object

   Push a new element onto the end, returns a pointer to the slot

   Push a new element onto the end, returns a pointer to the slot

   filled in. For object vectors, the new value can be NULL, in which

   filled in. For object vectors, the new value can be NULL, in which

   case NO initialization is performed.  Reallocates V, if needed.  */

   case NO initialization is performed.  Reallocates V, if needed.  */

#define VEC_safe_push(T,A,V,O)          \

#define VEC_safe_push(T,A,V,O)          \

        (VEC_OP(T,A,safe_push)(&(V),O VEC_CHECK_INFO MEM_STAT_INFO))

        (VEC_OP(T,A,safe_push)(&(V),O VEC_CHECK_INFO MEM_STAT_INFO))

/* Pop element off end

/* Pop element off end

   T VEC_T_pop (VEC(T) *v);             // Integer

   T VEC_T_pop (VEC(T) *v);             // Integer

   T VEC_T_pop (VEC(T) *v);             // Pointer

   T VEC_T_pop (VEC(T) *v);             // Pointer

   void VEC_T_pop (VEC(T) *v);          // Object

   void VEC_T_pop (VEC(T) *v);          // Object

   Pop the last element off the end. Returns the element popped, for

   Pop the last element off the end. Returns the element popped, for

   pointer vectors.  */

   pointer vectors.  */

#define VEC_pop(T,V)    (VEC_OP(T,base,pop)(VEC_BASE(V) VEC_CHECK_INFO))

#define VEC_pop(T,V)    (VEC_OP(T,base,pop)(VEC_BASE(V) VEC_CHECK_INFO))

/* Truncate to specific length

/* Truncate to specific length

   void VEC_T_truncate (VEC(T) *v, unsigned len);

   void VEC_T_truncate (VEC(T) *v, unsigned len);

   Set the length as specified.  The new length must be less than or

   Set the length as specified.  The new length must be less than or

   equal to the current length.  This is an O(1) operation.  */

   equal to the current length.  This is an O(1) operation.  */

#define VEC_truncate(T,V,I)             \

#define VEC_truncate(T,V,I)             \

        (VEC_OP(T,base,truncate)(VEC_BASE(V),I VEC_CHECK_INFO))

        (VEC_OP(T,base,truncate)(VEC_BASE(V),I VEC_CHECK_INFO))

/* Grow to a specific length.

/* Grow to a specific length.

   void VEC_T_A_safe_grow (VEC(T,A) *&v, int len);

   void VEC_T_A_safe_grow (VEC(T,A) *&v, int len);

   Grow the vector to a specific length.  The LEN must be as

   Grow the vector to a specific length.  The LEN must be as

   long or longer than the current length.  The new elements are

   long or longer than the current length.  The new elements are

   uninitialized.  */

   uninitialized.  */

#define VEC_safe_grow(T,A,V,I)          \

#define VEC_safe_grow(T,A,V,I)          \

        (VEC_OP(T,A,safe_grow)(&(V),I VEC_CHECK_INFO MEM_STAT_INFO))

        (VEC_OP(T,A,safe_grow)(&(V),I VEC_CHECK_INFO MEM_STAT_INFO))

/* Grow to a specific length.

/* Grow to a specific length.

   void VEC_T_A_safe_grow_cleared (VEC(T,A) *&v, int len);

   void VEC_T_A_safe_grow_cleared (VEC(T,A) *&v, int len);

   Grow the vector to a specific length.  The LEN must be as

   Grow the vector to a specific length.  The LEN must be as

   long or longer than the current length.  The new elements are

   long or longer than the current length.  The new elements are

   initialized to zero.  */

   initialized to zero.  */

#define VEC_safe_grow_cleared(T,A,V,I)          \

#define VEC_safe_grow_cleared(T,A,V,I)          \

        (VEC_OP(T,A,safe_grow_cleared)(&(V),I VEC_CHECK_INFO MEM_STAT_INFO))

        (VEC_OP(T,A,safe_grow_cleared)(&(V),I VEC_CHECK_INFO MEM_STAT_INFO))

/* Replace element

/* Replace element

   T VEC_T_replace (VEC(T) *v, unsigned ix, T val); // Integer

   T VEC_T_replace (VEC(T) *v, unsigned ix, T val); // Integer

   T VEC_T_replace (VEC(T) *v, unsigned ix, T val); // Pointer

   T VEC_T_replace (VEC(T) *v, unsigned ix, T val); // Pointer

   T *VEC_T_replace (VEC(T) *v, unsigned ix, T *val);  // Object

   T *VEC_T_replace (VEC(T) *v, unsigned ix, T *val);  // Object

   Replace the IXth element of V with a new value, VAL.  For pointer

   Replace the IXth element of V with a new value, VAL.  For pointer

   vectors returns the original value. For object vectors returns a

   vectors returns the original value. For object vectors returns a

   pointer to the new value.  For object vectors the new value can be

   pointer to the new value.  For object vectors the new value can be

   NULL, in which case no overwriting of the slot is actually

   NULL, in which case no overwriting of the slot is actually

   performed.  */

   performed.  */

#define VEC_replace(T,V,I,O)            \

#define VEC_replace(T,V,I,O)            \

        (VEC_OP(T,base,replace)(VEC_BASE(V),I,O VEC_CHECK_INFO))

        (VEC_OP(T,base,replace)(VEC_BASE(V),I,O VEC_CHECK_INFO))

/* Insert object with no reallocation

/* Insert object with no reallocation

   T *VEC_T_quick_insert (VEC(T) *v, unsigned ix, T val); // Integer

   T *VEC_T_quick_insert (VEC(T) *v, unsigned ix, T val); // Integer

   T *VEC_T_quick_insert (VEC(T) *v, unsigned ix, T val); // Pointer

   T *VEC_T_quick_insert (VEC(T) *v, unsigned ix, T val); // Pointer

   T *VEC_T_quick_insert (VEC(T) *v, unsigned ix, T *val); // Object

   T *VEC_T_quick_insert (VEC(T) *v, unsigned ix, T *val); // Object

   Insert an element, VAL, at the IXth position of V. Return a pointer

   Insert an element, VAL, at the IXth position of V. Return a pointer

   to the slot created.  For vectors of object, the new value can be

   to the slot created.  For vectors of object, the new value can be

   NULL, in which case no initialization of the inserted slot takes

   NULL, in which case no initialization of the inserted slot takes

   place. There must be sufficient space.  */

   place. There must be sufficient space.  */

#define VEC_quick_insert(T,V,I,O)       \

#define VEC_quick_insert(T,V,I,O)       \

        (VEC_OP(T,base,quick_insert)(VEC_BASE(V),I,O VEC_CHECK_INFO))

        (VEC_OP(T,base,quick_insert)(VEC_BASE(V),I,O VEC_CHECK_INFO))

/* Insert object with reallocation

/* Insert object with reallocation

   T *VEC_T_A_safe_insert (VEC(T,A) *&v, unsigned ix, T val); // Integer

   T *VEC_T_A_safe_insert (VEC(T,A) *&v, unsigned ix, T val); // Integer

   T *VEC_T_A_safe_insert (VEC(T,A) *&v, unsigned ix, T val); // Pointer

   T *VEC_T_A_safe_insert (VEC(T,A) *&v, unsigned ix, T val); // Pointer

   T *VEC_T_A_safe_insert (VEC(T,A) *&v, unsigned ix, T *val); // Object

   T *VEC_T_A_safe_insert (VEC(T,A) *&v, unsigned ix, T *val); // Object

   Insert an element, VAL, at the IXth position of V. Return a pointer

   Insert an element, VAL, at the IXth position of V. Return a pointer

   to the slot created.  For vectors of object, the new value can be

   to the slot created.  For vectors of object, the new value can be

   NULL, in which case no initialization of the inserted slot takes

   NULL, in which case no initialization of the inserted slot takes

   place. Reallocate V, if necessary.  */

   place. Reallocate V, if necessary.  */

#define VEC_safe_insert(T,A,V,I,O)      \

#define VEC_safe_insert(T,A,V,I,O)      \

        (VEC_OP(T,A,safe_insert)(&(V),I,O VEC_CHECK_INFO MEM_STAT_INFO))

        (VEC_OP(T,A,safe_insert)(&(V),I,O VEC_CHECK_INFO MEM_STAT_INFO))

/* Remove element retaining order

/* Remove element retaining order

   T VEC_T_ordered_remove (VEC(T) *v, unsigned ix); // Integer

   T VEC_T_ordered_remove (VEC(T) *v, unsigned ix); // Integer

   T VEC_T_ordered_remove (VEC(T) *v, unsigned ix); // Pointer

   T VEC_T_ordered_remove (VEC(T) *v, unsigned ix); // Pointer

   void VEC_T_ordered_remove (VEC(T) *v, unsigned ix); // Object

   void VEC_T_ordered_remove (VEC(T) *v, unsigned ix); // Object

   Remove an element from the IXth position of V. Ordering of

   Remove an element from the IXth position of V. Ordering of

   remaining elements is preserved.  For pointer vectors returns the

   remaining elements is preserved.  For pointer vectors returns the

   removed object.  This is an O(N) operation due to a memmove.  */

   removed object.  This is an O(N) operation due to a memmove.  */

#define VEC_ordered_remove(T,V,I)       \

#define VEC_ordered_remove(T,V,I)       \

        (VEC_OP(T,base,ordered_remove)(VEC_BASE(V),I VEC_CHECK_INFO))

        (VEC_OP(T,base,ordered_remove)(VEC_BASE(V),I VEC_CHECK_INFO))

/* Remove element destroying order

/* Remove element destroying order

   T VEC_T_unordered_remove (VEC(T) *v, unsigned ix); // Integer

   T VEC_T_unordered_remove (VEC(T) *v, unsigned ix); // Integer

   T VEC_T_unordered_remove (VEC(T) *v, unsigned ix); // Pointer

   T VEC_T_unordered_remove (VEC(T) *v, unsigned ix); // Pointer

   void VEC_T_unordered_remove (VEC(T) *v, unsigned ix); // Object

   void VEC_T_unordered_remove (VEC(T) *v, unsigned ix); // Object

   Remove an element from the IXth position of V. Ordering of

   Remove an element from the IXth position of V. Ordering of

   remaining elements is destroyed.  For pointer vectors returns the

   remaining elements is destroyed.  For pointer vectors returns the

   removed object.  This is an O(1) operation.  */

   removed object.  This is an O(1) operation.  */

#define VEC_unordered_remove(T,V,I)     \

#define VEC_unordered_remove(T,V,I)     \

        (VEC_OP(T,base,unordered_remove)(VEC_BASE(V),I VEC_CHECK_INFO))

        (VEC_OP(T,base,unordered_remove)(VEC_BASE(V),I VEC_CHECK_INFO))

/* Remove a block of elements

/* Remove a block of elements

   void VEC_T_block_remove (VEC(T) *v, unsigned ix, unsigned len);

   void VEC_T_block_remove (VEC(T) *v, unsigned ix, unsigned len);

   Remove LEN elements starting at the IXth.  Ordering is retained.

   Remove LEN elements starting at the IXth.  Ordering is retained.

   This is an O(1) operation.  */

   This is an O(1) operation.  */

#define VEC_block_remove(T,V,I,L)       \

#define VEC_block_remove(T,V,I,L)       \

        (VEC_OP(T,base,block_remove)(VEC_BASE(V),I,L VEC_CHECK_INFO))

        (VEC_OP(T,base,block_remove)(VEC_BASE(V),I,L VEC_CHECK_INFO))

/* Get the address of the array of elements

/* Get the address of the array of elements

   T *VEC_T_address (VEC(T) v)

   T *VEC_T_address (VEC(T) v)

   If you need to directly manipulate the array (for instance, you

   If you need to directly manipulate the array (for instance, you

   want to feed it to qsort), use this accessor.  */

   want to feed it to qsort), use this accessor.  */

#define VEC_address(T,V)                (VEC_OP(T,base,address)(VEC_BASE(V)))

#define VEC_address(T,V)                (VEC_OP(T,base,address)(VEC_BASE(V)))

/* Find the first index in the vector not less than the object.

/* Find the first index in the vector not less than the object.

   unsigned VEC_T_lower_bound (VEC(T) *v, const T val,

   unsigned VEC_T_lower_bound (VEC(T) *v, const T val,

                               bool (*lessthan) (const T, const T)); // Integer

                               bool (*lessthan) (const T, const T)); // Integer

   unsigned VEC_T_lower_bound (VEC(T) *v, const T val,

   unsigned VEC_T_lower_bound (VEC(T) *v, const T val,

                               bool (*lessthan) (const T, const T)); // Pointer

                               bool (*lessthan) (const T, const T)); // Pointer

   unsigned VEC_T_lower_bound (VEC(T) *v, const T *val,

   unsigned VEC_T_lower_bound (VEC(T) *v, const T *val,

                               bool (*lessthan) (const T*, const T*)); // Object

                               bool (*lessthan) (const T*, const T*)); // Object

   Find the first position in which VAL could be inserted without

   Find the first position in which VAL could be inserted without

   changing the ordering of V.  LESSTHAN is a function that returns

   changing the ordering of V.  LESSTHAN is a function that returns

   true if the first argument is strictly less than the second.  */

   true if the first argument is strictly less than the second.  */

#define VEC_lower_bound(T,V,O,LT)    \

#define VEC_lower_bound(T,V,O,LT)    \

       (VEC_OP(T,base,lower_bound)(VEC_BASE(V),O,LT VEC_CHECK_INFO))

       (VEC_OP(T,base,lower_bound)(VEC_BASE(V),O,LT VEC_CHECK_INFO))

/* Reallocate an array of elements with prefix.  */

/* Reallocate an array of elements with prefix.  */

extern void *vec_gc_p_reserve (void *, int MEM_STAT_DECL);

extern void *vec_gc_p_reserve (void *, int MEM_STAT_DECL);

extern void *vec_gc_p_reserve_exact (void *, int MEM_STAT_DECL);

extern void *vec_gc_p_reserve_exact (void *, int MEM_STAT_DECL);

extern void *vec_gc_o_reserve (void *, int, size_t, size_t MEM_STAT_DECL);

extern void *vec_gc_o_reserve (void *, int, size_t, size_t MEM_STAT_DECL);

extern void *vec_gc_o_reserve_exact (void *, int, size_t, size_t

extern void *vec_gc_o_reserve_exact (void *, int, size_t, size_t

                                     MEM_STAT_DECL);

                                     MEM_STAT_DECL);

extern void ggc_free (void *);

extern void ggc_free (void *);

#define vec_gc_free(V) ggc_free (V)

#define vec_gc_free(V) ggc_free (V)

extern void *vec_heap_p_reserve (void *, int MEM_STAT_DECL);

extern void *vec_heap_p_reserve (void *, int MEM_STAT_DECL);

extern void *vec_heap_p_reserve_exact (void *, int MEM_STAT_DECL);

extern void *vec_heap_p_reserve_exact (void *, int MEM_STAT_DECL);

extern void *vec_heap_o_reserve (void *, int, size_t, size_t MEM_STAT_DECL);

extern void *vec_heap_o_reserve (void *, int, size_t, size_t MEM_STAT_DECL);

extern void *vec_heap_o_reserve_exact (void *, int, size_t, size_t

extern void *vec_heap_o_reserve_exact (void *, int, size_t, size_t

                                       MEM_STAT_DECL);

                                       MEM_STAT_DECL);

extern void dump_vec_loc_statistics (void);

extern void dump_vec_loc_statistics (void);

#ifdef GATHER_STATISTICS

#ifdef GATHER_STATISTICS

void vec_heap_free (void *);

void vec_heap_free (void *);

#else

#else

#define vec_heap_free(V) free (V)

#define vec_heap_free(V) free (V)

#endif

#endif

#if ENABLE_CHECKING

#if ENABLE_CHECKING

#define VEC_CHECK_INFO ,__FILE__,__LINE__,__FUNCTION__

#define VEC_CHECK_INFO ,__FILE__,__LINE__,__FUNCTION__

#define VEC_CHECK_DECL ,const char *file_,unsigned line_,const char *function_

#define VEC_CHECK_DECL ,const char *file_,unsigned line_,const char *function_

#define VEC_CHECK_PASS ,file_,line_,function_

#define VEC_CHECK_PASS ,file_,line_,function_

#define VEC_ASSERT(EXPR,OP,T,A) \

#define VEC_ASSERT(EXPR,OP,T,A) \

  (void)((EXPR) ? 0 : (VEC_ASSERT_FAIL(OP,VEC(T,A)), 0))

  (void)((EXPR) ? 0 : (VEC_ASSERT_FAIL(OP,VEC(T,A)), 0))

extern void vec_assert_fail (const char *, const char * VEC_CHECK_DECL)

extern void vec_assert_fail (const char *, const char * VEC_CHECK_DECL)

     ATTRIBUTE_NORETURN;

     ATTRIBUTE_NORETURN;

#define VEC_ASSERT_FAIL(OP,VEC) vec_assert_fail (OP,#VEC VEC_CHECK_PASS)

#define VEC_ASSERT_FAIL(OP,VEC) vec_assert_fail (OP,#VEC VEC_CHECK_PASS)

#else

#else

#define VEC_CHECK_INFO

#define VEC_CHECK_INFO

#define VEC_CHECK_DECL

#define VEC_CHECK_DECL

#define VEC_CHECK_PASS

#define VEC_CHECK_PASS

#define VEC_ASSERT(EXPR,OP,T,A) (void)(EXPR)

#define VEC_ASSERT(EXPR,OP,T,A) (void)(EXPR)

#endif

#endif

/* Note: gengtype has hardwired knowledge of the expansions of the

/* Note: gengtype has hardwired knowledge of the expansions of the

   VEC, DEF_VEC_*, and DEF_VEC_ALLOC_* macros.  If you change the

   VEC, DEF_VEC_*, and DEF_VEC_ALLOC_* macros.  If you change the

   expansions of these macros you may need to change gengtype too.  */

   expansions of these macros you may need to change gengtype too.  */

#define VEC(T,A) VEC_##T##_##A

#define VEC(T,A) VEC_##T##_##A

#define VEC_OP(T,A,OP) VEC_##T##_##A##_##OP

#define VEC_OP(T,A,OP) VEC_##T##_##A##_##OP

/* Base of vector type, not user visible.  */

/* Base of vector type, not user visible.  */

#define VEC_T(T,B)                                                        \

#define VEC_T(T,B)                                                        \

typedef struct VEC(T,B)                                                   \

typedef struct VEC(T,B)                                                   \

{                                                                         \

{                                                                         \

  unsigned num;                                                           \

  unsigned num;                                                           \

  unsigned alloc;                                                         \

  unsigned alloc;                                                         \

  T vec[1];                                                               \

  T vec[1];                                                               \

} VEC(T,B)

} VEC(T,B)

#define VEC_T_GTY(T,B)                                                    \

#define VEC_T_GTY(T,B)                                                    \

typedef struct GTY(()) VEC(T,B)                                           \

typedef struct GTY(()) VEC(T,B)                                           \

{                                                                         \

{                                                                         \

  unsigned num;                                                           \

  unsigned num;                                                           \

  unsigned alloc;                                                         \

  unsigned alloc;                                                         \

  T GTY ((length ("%h.num"))) vec[1];                                     \

  T GTY ((length ("%h.num"))) vec[1];                                     \

} VEC(T,B)

} VEC(T,B)

/* Derived vector type, user visible.  */

/* Derived vector type, user visible.  */

#define VEC_TA_GTY(T,B,A,GTY)                                             \

#define VEC_TA_GTY(T,B,A,GTY)                                             \

typedef struct GTY VEC(T,A)                                               \

typedef struct GTY VEC(T,A)                                               \

{                                                                         \

{                                                                         \

  VEC(T,B) base;                                                          \

  VEC(T,B) base;                                                          \

} VEC(T,A)

} VEC(T,A)

#define VEC_TA(T,B,A)                                                     \

#define VEC_TA(T,B,A)                                                     \

typedef struct VEC(T,A)                                                   \

typedef struct VEC(T,A)                                                   \

{                                                                         \

{                                                                         \

  VEC(T,B) base;                                                          \

  VEC(T,B) base;                                                          \

} VEC(T,A)

} VEC(T,A)

/* Convert to base type.  */

/* Convert to base type.  */

#define VEC_BASE(P)  ((P) ? &(P)->base : 0)

#define VEC_BASE(P)  ((P) ? &(P)->base : 0)

/* Vector of integer-like object.  */

/* Vector of integer-like object.  */

#define DEF_VEC_I(T)                                                      \

#define DEF_VEC_I(T)                                                      \

static inline void VEC_OP (T,must_be,integral_type) (void)                \

static inline void VEC_OP (T,must_be,integral_type) (void)                \

{                                                                         \

{                                                                         \

  (void)~(T)0;                                                             \

  (void)~(T)0;                                                             \

}                                                                         \

}                                                                         \

                                                                          \

                                                                          \

VEC_T(T,base);                                                            \

VEC_T(T,base);                                                            \

VEC_TA(T,base,none);                                                      \

VEC_TA(T,base,none);                                                      \

DEF_VEC_FUNC_P(T)                                                         \

DEF_VEC_FUNC_P(T)                                                         \

struct vec_swallow_trailing_semi

struct vec_swallow_trailing_semi

#define DEF_VEC_ALLOC_I(T,A)                                              \

#define DEF_VEC_ALLOC_I(T,A)                                              \

VEC_TA(T,base,A);                                                         \

VEC_TA(T,base,A);                                                         \

DEF_VEC_ALLOC_FUNC_I(T,A)                                                 \

DEF_VEC_ALLOC_FUNC_I(T,A)                                                 \

DEF_VEC_NONALLOC_FUNCS_I(T,A)                                             \

DEF_VEC_NONALLOC_FUNCS_I(T,A)                                             \

struct vec_swallow_trailing_semi

struct vec_swallow_trailing_semi

/* Vector of pointer to object.  */

/* Vector of pointer to object.  */

#define DEF_VEC_P(T)                                                      \

#define DEF_VEC_P(T)                                                      \

static inline void VEC_OP (T,must_be,pointer_type) (void)                 \

static inline void VEC_OP (T,must_be,pointer_type) (void)                 \

{                                                                         \

{                                                                         \

  (void)((T)1 == (void *)1);                                              \

  (void)((T)1 == (void *)1);                                              \

}                                                                         \

}                                                                         \

                                                                          \

                                                                          \

VEC_T_GTY(T,base);                                                        \

VEC_T_GTY(T,base);                                                        \

VEC_TA(T,base,none);                                                      \

VEC_TA(T,base,none);                                                      \

DEF_VEC_FUNC_P(T)                                                         \

DEF_VEC_FUNC_P(T)                                                         \

struct vec_swallow_trailing_semi

struct vec_swallow_trailing_semi

#define DEF_VEC_ALLOC_P(T,A)                                              \

#define DEF_VEC_ALLOC_P(T,A)                                              \

VEC_TA(T,base,A);                                                         \

VEC_TA(T,base,A);                                                         \

DEF_VEC_ALLOC_FUNC_P(T,A)                                                 \

DEF_VEC_ALLOC_FUNC_P(T,A)                                                 \

DEF_VEC_NONALLOC_FUNCS_P(T,A)                                             \

DEF_VEC_NONALLOC_FUNCS_P(T,A)                                             \

struct vec_swallow_trailing_semi

struct vec_swallow_trailing_semi

#define DEF_VEC_FUNC_P(T)                                                 \

#define DEF_VEC_FUNC_P(T)                                                 \

static inline unsigned VEC_OP (T,base,length) (const VEC(T,base) *vec_)   \

static inline unsigned VEC_OP (T,base,length) (const VEC(T,base) *vec_)   \

{                                                                         \

{                                                                         \

  return vec_ ? vec_->num : 0;                                             \

  return vec_ ? vec_->num : 0;                                             \

}                                                                         \

}                                                                         \

                                                                          \

                                                                          \

static inline T VEC_OP (T,base,last)                                      \

static inline T VEC_OP (T,base,last)                                      \

     (const VEC(T,base) *vec_ VEC_CHECK_DECL)                             \

     (const VEC(T,base) *vec_ VEC_CHECK_DECL)                             \

{                                                                         \

{                                                                         \

  VEC_ASSERT (vec_ && vec_->num, "last", T, base);                        \

  VEC_ASSERT (vec_ && vec_->num, "last", T, base);                        \

                                                                          \

                                                                          \

  return vec_->vec[vec_->num - 1];                                        \

  return vec_->vec[vec_->num - 1];                                        \

}                                                                         \

}                                                                         \

                                                                          \

                                                                          \

static inline T VEC_OP (T,base,index)                                     \

static inline T VEC_OP (T,base,index)                                     \

     (const VEC(T,base) *vec_, unsigned ix_ VEC_CHECK_DECL)               \

     (const VEC(T,base) *vec_, unsigned ix_ VEC_CHECK_DECL)               \

{                                                                         \

{                                                                         \

  VEC_ASSERT (vec_ && ix_ < vec_->num, "index", T, base);                 \

  VEC_ASSERT (vec_ && ix_ < vec_->num, "index", T, base);                 \

                                                                          \

                                                                          \

  return vec_->vec[ix_];                                                  \

  return vec_->vec[ix_];                                                  \

}                                                                         \

}                                                                         \

                                                                          \

                                                                          \

static inline int VEC_OP (T,base,iterate)                                 \

static inline int VEC_OP (T,base,iterate)                                 \

     (const VEC(T,base) *vec_, unsigned ix_, T *ptr)                      \

     (const VEC(T,base) *vec_, unsigned ix_, T *ptr)                      \

{                                                                         \

{                                                                         \

  if (vec_ && ix_ < vec_->num)                                            \

  if (vec_ && ix_ < vec_->num)                                            \

    {                                                                     \

    {                                                                     \

      *ptr = vec_->vec[ix_];                                              \

      *ptr = vec_->vec[ix_];                                              \

      return 1;                                                           \

      return 1;                                                           \

    }                                                                     \

    }                                                                     \

  else                                                                    \

  else                                                                    \

    {                                                                     \

    {                                                                     \

      *ptr = (T) 0;                                                        \

      *ptr = (T) 0;                                                        \

      return 0;                                                            \

      return 0;                                                            \

    }                                                                     \

    }                                                                     \

}                                                                         \

}                                                                         \

                                                                          \

                                                                          \

static inline size_t VEC_OP (T,base,embedded_size)                        \

static inline size_t VEC_OP (T,base,embedded_size)                        \

     (int alloc_)                                                         \

     (int alloc_)                                                         \

{                                                                         \

{                                                                         \

  return offsetof (VEC(T,base),vec) + alloc_ * sizeof(T);                 \

  return offsetof (VEC(T,base),vec) + alloc_ * sizeof(T);                 \

}                                                                         \

}                                                                         \

                                                                          \

                                                                          \

static inline void VEC_OP (T,base,embedded_init)                          \

static inline void VEC_OP (T,base,embedded_init)                          \

     (VEC(T,base) *vec_, int alloc_)                                      \

     (VEC(T,base) *vec_, int alloc_)                                      \

{                                                                         \

{                                                                         \

  vec_->num = 0;                                                   \

  vec_->num = 0;                                                   \

  vec_->alloc = alloc_;                                                   \

  vec_->alloc = alloc_;                                                   \

}                                                                         \

}                                                                         \

                                                                          \

                                                                          \

static inline int VEC_OP (T,base,space)                                   \

static inline int VEC_OP (T,base,space)                                   \

     (VEC(T,base) *vec_, int alloc_ VEC_CHECK_DECL)                       \

     (VEC(T,base) *vec_, int alloc_ VEC_CHECK_DECL)                       \

{                                                                         \

{                                                                         \

  VEC_ASSERT (alloc_ >= 0, "space", T, base);                              \

  VEC_ASSERT (alloc_ >= 0, "space", T, base);                              \

  return vec_ ? vec_->alloc - vec_->num >= (unsigned)alloc_ : !alloc_;    \

  return vec_ ? vec_->alloc - vec_->num >= (unsigned)alloc_ : !alloc_;    \

}                                                                         \

}                                                                         \

                                                                          \

                                                                          \

static inline T *VEC_OP (T,base,quick_push)                               \

static inline T *VEC_OP (T,base,quick_push)                               \

     (VEC(T,base) *vec_, T obj_ VEC_CHECK_DECL)                           \

     (VEC(T,base) *vec_, T obj_ VEC_CHECK_DECL)                           \

{                                                                         \

{                                                                         \

  T *slot_;                                                               \

  T *slot_;                                                               \

                                                                          \

                                                                          \

  VEC_ASSERT (vec_->num < vec_->alloc, "push", T, base);                  \

  VEC_ASSERT (vec_->num < vec_->alloc, "push", T, base);                  \

  slot_ = &vec_->vec[vec_->num++];                                        \

  slot_ = &vec_->vec[vec_->num++];                                        \

  *slot_ = obj_;                                                          \

  *slot_ = obj_;                                                          \

                                                                          \

                                                                          \

  return slot_;                                                           \

  return slot_;                                                           \

}                                                                         \

}                                                                         \

                                                                          \

                                                                          \

static inline T VEC_OP (T,base,pop) (VEC(T,base) *vec_ VEC_CHECK_DECL)    \

static inline T VEC_OP (T,base,pop) (VEC(T,base) *vec_ VEC_CHECK_DECL)    \

{                                                                         \

{                                                                         \

  T obj_;                                                                 \

  T obj_;                                                                 \

                                                                          \

                                                                          \

  VEC_ASSERT (vec_->num, "pop", T, base);                                 \

  VEC_ASSERT (vec_->num, "pop", T, base);                                 \

  obj_ = vec_->vec[--vec_->num];                                          \

  obj_ = vec_->vec[--vec_->num];                                          \

                                                                          \

                                                                          \

  return obj_;                                                            \

  return obj_;                                                            \

}                                                                         \

}                                                                         \

                                                                          \

                                                                          \

static inline void VEC_OP (T,base,truncate)                               \

static inline void VEC_OP (T,base,truncate)                               \

     (VEC(T,base) *vec_, unsigned size_ VEC_CHECK_DECL)                   \

     (VEC(T,base) *vec_, unsigned size_ VEC_CHECK_DECL)                   \

{                                                                         \

{                                                                         \

  VEC_ASSERT (vec_ ? vec_->num >= size_ : !size_, "truncate", T, base);   \

  VEC_ASSERT (vec_ ? vec_->num >= size_ : !size_, "truncate", T, base);   \

  if (vec_)                                                               \

  if (vec_)                                                               \

    vec_->num = size_;                                                    \

    vec_->num = size_;                                                    \

}                                                                         \

}                                                                         \

                                                                          \

                                                                          \

static inline T VEC_OP (T,base,replace)                                   \

static inline T VEC_OP (T,base,replace)                                   \

     (VEC(T,base) *vec_, unsigned ix_, T obj_ VEC_CHECK_DECL)             \

     (VEC(T,base) *vec_, unsigned ix_, T obj_ VEC_CHECK_DECL)             \

{                                                                         \

{                                                                         \

  T old_obj_;                                                             \

  T old_obj_;                                                             \

                                                                          \

                                                                          \

  VEC_ASSERT (ix_ < vec_->num, "replace", T, base);                       \

  VEC_ASSERT (ix_ < vec_->num, "replace", T, base);                       \

  old_obj_ = vec_->vec[ix_];                                              \

  old_obj_ = vec_->vec[ix_];                                              \

  vec_->vec[ix_] = obj_;                                                  \

  vec_->vec[ix_] = obj_;                                                  \

                                                                          \

                                                                          \

  return old_obj_;                                                        \

  return old_obj_;                                                        \

}                                                                         \

}                                                                         \

                                                                          \

                                                                          \

static inline T *VEC_OP (T,base,quick_insert)                             \

static inline T *VEC_OP (T,base,quick_insert)                             \

     (VEC(T,base) *vec_, unsigned ix_, T obj_ VEC_CHECK_DECL)             \

     (VEC(T,base) *vec_, unsigned ix_, T obj_ VEC_CHECK_DECL)             \

{                                                                         \

{                                                                         \

  T *slot_;                                                               \

  T *slot_;                                                               \

                                                                          \

                                                                          \

  VEC_ASSERT (vec_->num < vec_->alloc, "insert", T, base);                \

  VEC_ASSERT (vec_->num < vec_->alloc, "insert", T, base);                \

  VEC_ASSERT (ix_ <= vec_->num, "insert", T, base);                       \

  VEC_ASSERT (ix_ <= vec_->num, "insert", T, base);                       \

  slot_ = &vec_->vec[ix_];                                                \

  slot_ = &vec_->vec[ix_];                                                \

  memmove (slot_ + 1, slot_, (vec_->num++ - ix_) * sizeof (T));           \

  memmove (slot_ + 1, slot_, (vec_->num++ - ix_) * sizeof (T));           \

  *slot_ = obj_;                                                          \

  *slot_ = obj_;                                                          \

                                                                          \

                                                                          \

  return slot_;                                                           \

  return slot_;                                                           \

}                                                                         \

}                                                                         \

                                                                          \

                                                                          \

static inline T VEC_OP (T,base,ordered_remove)                            \

static inline T VEC_OP (T,base,ordered_remove)                            \

     (VEC(T,base) *vec_, unsigned ix_ VEC_CHECK_DECL)                     \

     (VEC(T,base) *vec_, unsigned ix_ VEC_CHECK_DECL)                     \

{                                                                         \

{                                                                         \

  T *slot_;                                                               \

  T *slot_;                                                               \

  T obj_;                                                                 \