< prev index next >
src/share/vm/utilities/array.hpp
Print this page
*** 1,7 ****
/*
! * Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
--- 1,7 ----
/*
! * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*** 32,88 ****
// correct linkage required to compile w/o warnings
// (must be on file level - cannot be local)
extern "C" { typedef int (*ftype)(const void*, const void*); }
-
- class ResourceArray: public ResourceObj {
- protected:
- int _length; // the number of array elements
- void* _data; // the array memory
- #ifdef ASSERT
- int _nesting; // the resource area nesting level
- #endif
-
- // creation
- ResourceArray() {
- _length = 0;
- _data = NULL;
- DEBUG_ONLY(init_nesting();)
- // client may call initialize, at most once
- }
-
-
- ResourceArray(size_t esize, int length) {
- DEBUG_ONLY(_data = NULL);
- initialize(esize, length);
- }
-
- void initialize(size_t esize, int length) {
- assert(length >= 0, "illegal length");
- assert(StressRewriter || _data == NULL, "must be new object");
- _length = length;
- _data = resource_allocate_bytes(esize * length);
- DEBUG_ONLY(init_nesting();)
- }
-
- #ifdef ASSERT
- void init_nesting();
- #endif
-
- // helper functions
- void sort (size_t esize, ftype f); // sort the array
- void expand (size_t esize, int i, int& size);// expand the array to include slot i
- void remove_at(size_t esize, int i); // remove the element in slot i
-
- public:
- // standard operations
- int length() const { return _length; }
- bool is_empty() const { return length() == 0; }
- };
-
-
template <MEMFLAGS F>class CHeapArray: public CHeapObj<F> {
protected:
int _length; // the number of array elements
void* _data; // the array memory
--- 32,41 ----
*** 116,304 ****
// standard operations
int length() const { return _length; }
bool is_empty() const { return length() == 0; }
};
- #define define_generic_array(array_name,element_type, base_class) \
- class array_name: public base_class { \
- protected: \
- typedef element_type etype; \
- enum { esize = sizeof(etype) }; \
- \
- void base_remove_at(size_t size, int i) { base_class::remove_at(size, i); } \
- \
- public: \
- /* creation */ \
- array_name() : base_class() {} \
- explicit array_name(const int length) : base_class(esize, length) {} \
- array_name(const int length, const etype fx) { initialize(length, fx); } \
- void initialize(const int length) { base_class::initialize(esize, length); } \
- void initialize(const int length, const etype fx) { \
- initialize(length); \
- for (int i = 0; i < length; i++) ((etype*)_data)[i] = fx; \
- } \
- \
- /* standard operations */ \
- etype& operator [] (const int i) const { \
- assert(0 <= i && i < length(), "index out of bounds"); \
- return ((etype*)_data)[i]; \
- } \
- \
- int index_of(const etype x) const { \
- int i = length(); \
- while (i-- > 0 && ((etype*)_data)[i] != x) ; \
- /* i < 0 || ((etype*)_data)_data[i] == x */ \
- return i; \
- } \
- \
- void sort(int f(etype*, etype*)) { base_class::sort(esize, (ftype)f); } \
- bool contains(const etype x) const { return index_of(x) >= 0; } \
- \
- /* deprecated operations - for compatibility with GrowableArray only */ \
- etype at(const int i) const { return (*this)[i]; } \
- void at_put(const int i, const etype x) { (*this)[i] = x; } \
- etype* adr_at(const int i) { return &(*this)[i]; } \
- int find(const etype x) { return index_of(x); } \
- }; \
-
-
- #define define_array(array_name,element_type) \
- define_generic_array(array_name, element_type, ResourceArray)
-
-
- #define define_stack(stack_name,array_name) \
- class stack_name: public array_name { \
- protected: \
- int _size; \
- \
- void grow(const int i, const etype fx) { \
- assert(i >= length(), "index too small"); \
- if (i >= size()) expand(esize, i, _size); \
- for (int j = length(); j <= i; j++) ((etype*)_data)[j] = fx; \
- _length = i+1; \
- } \
- \
- public: \
- /* creation */ \
- stack_name() : array_name() { _size = 0; } \
- stack_name(const int size) { initialize(size); } \
- stack_name(const int size, const etype fx) { initialize(size, fx); } \
- void initialize(const int size, const etype fx) { \
- _size = size; \
- array_name::initialize(size, fx); \
- /* _length == size, allocation and size are the same */ \
- } \
- void initialize(const int size) { \
- _size = size; \
- array_name::initialize(size); \
- _length = 0; /* reset length to zero; _size records the allocation */ \
- } \
- \
- /* standard operations */ \
- int size() const { return _size; } \
- \
- int push(const etype x) { \
- int len = length(); \
- if (len >= size()) expand(esize, len, _size); \
- ((etype*)_data)[len] = x; \
- _length = len+1; \
- return len; \
- } \
- \
- etype pop() { \
- assert(!is_empty(), "stack is empty"); \
- return ((etype*)_data)[--_length]; \
- } \
- \
- etype top() const { \
- assert(!is_empty(), "stack is empty"); \
- return ((etype*)_data)[length() - 1]; \
- } \
- \
- void push_all(const stack_name* stack) { \
- const int l = stack->length(); \
- for (int i = 0; i < l; i++) push(((etype*)(stack->_data))[i]); \
- } \
- \
- etype at_grow(const int i, const etype fx) { \
- if (i >= length()) grow(i, fx); \
- return ((etype*)_data)[i]; \
- } \
- \
- void at_put_grow(const int i, const etype x, const etype fx) { \
- if (i >= length()) grow(i, fx); \
- ((etype*)_data)[i] = x; \
- } \
- \
- void truncate(const int length) { \
- assert(0 <= length && length <= this->length(), "illegal length"); \
- _length = length; \
- } \
- \
- void remove_at(int i) { base_remove_at(esize, i); } \
- void remove(etype x) { remove_at(index_of(x)); } \
- \
- /* inserts the given element before the element at index i */ \
- void insert_before(const int i, const etype el) { \
- int len = length(); \
- int new_length = len + 1; \
- if (new_length >= size()) expand(esize, new_length, _size); \
- for (int j = len - 1; j >= i; j--) { \
- ((etype*)_data)[j + 1] = ((etype*)_data)[j]; \
- } \
- _length = new_length; \
- at_put(i, el); \
- } \
- \
- /* inserts contents of the given stack before the element at index i */ \
- void insert_before(const int i, const stack_name *st) { \
- if (st->length() == 0) return; \
- int len = length(); \
- int st_len = st->length(); \
- int new_length = len + st_len; \
- if (new_length >= size()) expand(esize, new_length, _size); \
- int j; \
- for (j = len - 1; j >= i; j--) { \
- ((etype*)_data)[j + st_len] = ((etype*)_data)[j]; \
- } \
- for (j = 0; j < st_len; j++) { \
- ((etype*)_data)[i + j] = ((etype*)st->_data)[j]; \
- } \
- _length = new_length; \
- } \
- \
- /* deprecated operations - for compatibility with GrowableArray only */ \
- int capacity() const { return size(); } \
- void clear() { truncate(0); } \
- void trunc_to(const int length) { truncate(length); } \
- int append(const etype x) { return push(x); } \
- void appendAll(const stack_name* stack) { push_all(stack); } \
- etype last() const { return top(); } \
- }; \
-
-
- #define define_resource_list(element_type) \
- define_generic_array(element_type##Array, element_type, ResourceArray) \
- define_stack(element_type##List, element_type##Array)
-
- #define define_resource_pointer_list(element_type) \
- define_generic_array(element_type##Array, element_type *, ResourceArray) \
- define_stack(element_type##List, element_type##Array)
-
- #define define_c_heap_list(element_type) \
- define_generic_array(element_type##Array, element_type, CHeapArray) \
- define_stack(element_type##List, element_type##Array)
-
- #define define_c_heap_pointer_list(element_type) \
- define_generic_array(element_type##Array, element_type *, CHeapArray) \
- define_stack(element_type##List, element_type##Array)
-
-
// Arrays for basic types
!
! define_array(boolArray, bool) define_stack(boolStack, boolArray)
! define_array(intArray , int ) define_stack(intStack , intArray )
// Array for metadata allocation
template <typename T>
class Array: public MetaspaceObj {
--- 69,83 ----
// standard operations
int length() const { return _length; }
bool is_empty() const { return length() == 0; }
};
// Arrays for basic types
! typedef GrowableArray<int> intArray;
! typedef GrowableArray<int> intStack;
! typedef GrowableArray<bool> boolArray;
! typedef GrowableArray<bool> boolStack;
// Array for metadata allocation
template <typename T>
class Array: public MetaspaceObj {
< prev index next >