daScript/src/simulate/runtime_array.cpp at master · PushoN/daScript · GitHub

History

187 lines (167 loc) · 6.83 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

#include "daScript/misc/platform.h"

#include "daScript/simulate/runtime_array.h"

namespace das

{

void array_clear ( Context & context, Array & arr, LineInfo * at ) {

if ( arr.isLocked() ) context.throw_error_at(at, "can't clear locked array");

arr.size = 0;

}

void array_mark_locked ( Array & arr, void * data, uint32_t capacity ) {

arr.data = (char *)data;

arr.size = arr.capacity = capacity;

arr.lock = 1;

arr.magic = DAS_ARRAY_MAGIC;

}

void array_mark_locked ( Array & arr, void * data, uint32_t size, uint32_t capacity ) {

arr.data = (char *)data;

arr.size = size;

arr.capacity = capacity;

arr.lock = 1;

arr.magic = DAS_ARRAY_MAGIC;

}

void array_lock ( Context & context, Array & arr, LineInfo * at ) {

if ( arr.shared || arr.hopeless ) return;

if ( arr.lock==0 ) {

if ( arr.magic != 0 ) {

context.throw_error_at(at, "array magic mismatch on first lock, was it moved or overwritten?");

}

arr.lock = 1;

arr.magic = DAS_ARRAY_MAGIC;

} else {

if ( arr.magic != DAS_ARRAY_MAGIC ) {

context.throw_error_at(at, "array magic mismatch on lock, was it moved or overwritten?");

}

arr.lock ++;

if ( arr.lock==0 ) {

context.throw_error_at(at, "array lock overflow, was it moved or overwritten?");

}

void array_unlock ( Context & context, Array & arr, LineInfo * at ) {

if ( arr.shared || arr.hopeless ) return;

if ( arr.magic != DAS_ARRAY_MAGIC ) {

context.throw_error_at(at, "array magic mismatch on unlock, was it moved or overwritten?");

}

if ( arr.lock==0 ) {

context.throw_error_at(at, "array lock underflow, was it moved or overwritten?");

}

arr.lock --;

if ( arr.lock==0 ) {

arr.magic = 0;

}

void array_reserve(Context & context, Array & arr, uint32_t newCapacity, uint32_t stride, LineInfo * at) {

if ( arr.isLocked() ) context.throw_error_at(at, "can't change capacity of a locked array");

if ( arr.capacity >= newCapacity ) return;

uint64_t memSize64 = uint64_t(newCapacity) * uint64_t(stride);

if ( memSize64>=0xffffffff ) {

context.throw_error_at(at, "can't grow array, out of index space [capacity=%i] [stride=%i]", newCapacity, stride);

}

const char * prev_comment = arr.data ? context.heap->get_comment(arr.data) : nullptr;

char * newData = nullptr;

if ( context.verySafeContext ) {

newData = (char *)context.allocate(newCapacity*stride, at);

if ( newData && arr.data ) {

memcpy(newData, arr.data, arr.size*stride);

}

} else {

newData = (char *)context.reallocate(arr.data, arr.capacity*stride, newCapacity*stride, at);

}

context.heap->mark_comment(newData, prev_comment ? prev_comment : "array");

if ( newData != arr.data ) {

// memcpy(newData, arr.data, arr.capacity);

arr.data = newData;

}

arr.capacity = newCapacity;

}

void array_resize ( Context & context, Array & arr, uint32_t newSize, uint32_t stride, bool zero, LineInfo * at ) {

if ( arr.isLocked() ) context.throw_error_at(at, "can't resize locked array");

if ( newSize > arr.capacity ) {

uint32_t newCapacity = 1 << (32 - das_clz (das::max(newSize,2u) - 1));

newCapacity = das::max(newCapacity, 16u);

array_reserve(context, arr, newCapacity, stride, at);

}

if ( zero && newSize>arr.size ) {

memset ( arr.data + arr.size*stride, 0, size_t(newSize-arr.size)*size_t(stride) );

}

arr.size = newSize;

}

// GoodArrayIterator

bool GoodArrayIterator::first ( Context & context, char * _value ) {

char ** value = (char **) _value;

array_lock(context, *array, nullptr);

data = array->data;

*value = data;

array_end = data + array->size * stride;

return (bool) array->size;

}

bool GoodArrayIterator::next ( Context &, char * _value ) {

char ** value = (char **) _value;

data += stride;

*value = data;

return data != array_end;

}

void GoodArrayIterator::close ( Context & context, char * _value ) {

if ( _value ) {

char ** value = (char **) _value;

*value = nullptr;

}

array_unlock(context, *array, nullptr);

context.freeIterator((char *)this, debugInfo);

}

vec4f SimNode_GoodArrayIterator::eval ( Context & context ) {

DAS_PROFILE_NODE

vec4f ll = source->eval(context);

Array * arr = cast<Array *>::to(ll);

char * iter = context.allocateIterator(sizeof(GoodArrayIterator),"array<> iterator", &debugInfo);

new (iter) GoodArrayIterator(arr, stride, &debugInfo);

return cast<char *>::from(iter);

}

// FixedArrayIterator

bool FixedArrayIterator::first ( Context &, char * _value ) {

char ** value = (char **) _value;

*value = data;

fixed_array_end = data + size*stride;

return (bool) size;

}

bool FixedArrayIterator::next ( Context & , char * _value ) {

char ** value = (char **) _value;

data += stride;

*value = data;

return data != fixed_array_end;

}

void FixedArrayIterator::close ( Context & context, char * _value ) {

if ( _value ) {

char ** value = (char **) _value;

*value = nullptr;

}

context.freeIterator((char *)this, debugInfo);

}

vec4f SimNode_FixedArrayIterator::eval ( Context & context ) {

DAS_PROFILE_NODE

vec4f ll = source->eval(context);

char * data = cast<char *>::to(ll);

char * iter = context.allocateIterator(sizeof(FixedArrayIterator),"fixed array iterator", &debugInfo);

new (iter) FixedArrayIterator(data, size, stride, &debugInfo);

return cast<char *>::from(iter);

}

// delete

vec4f SimNode_DeleteArray::eval ( Context & context ) {

DAS_PROFILE_NODE

auto pArray = (Array *) subexpr->evalPtr(context);

pArray = pArray + total - 1;

for ( uint32_t i=0, is=total; i!=is; ++i, pArray-- ) {

if ( pArray->data ) {

if ( !pArray->isLocked() ) {

uint32_t oldSize = pArray->capacity*stride;

context.free(pArray->data, oldSize, &debugInfo);

} else {

context.throw_error_at(debugInfo, "deleting locked array%s", errorMessage);

return v_zero();

}

memset ( pArray, 0, sizeof(Array) );

}

return v_zero();

}

daScript/src/simulate/runtime_array.cpp at master · PushoN/daScript · GitHub

Expand file tree

Breadcrumbs

runtime_array.cpp

Latest commit

History

Breadcrumbs

runtime_array.cpp

File metadata and controls