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-rw-r--r--src/flatbuffer_builder.cc77
1 files changed, 0 insertions, 77 deletions
diff --git a/src/flatbuffer_builder.cc b/src/flatbuffer_builder.cc
deleted file mode 100644
index d8f0fb336..000000000
--- a/src/flatbuffer_builder.cc
+++ /dev/null
@@ -1,77 +0,0 @@
-// Copyright 2018 the Deno authors. All rights reserved. MIT license.
-
-#include <stddef.h>
-#include <stdint.h>
-#include <stdlib.h>
-
-#include "deno.h"
-#include "flatbuffer_builder.h"
-#include "flatbuffers/flatbuffers.h"
-
-namespace deno {
-
-deno_buf FlatBufferBuilder::ExportBuf() {
- uint8_t* data_ptr = GetBufferPointer();
- size_t data_len = GetSize();
- return allocator_.GetAndKeepBuf(data_ptr, data_len);
-}
-
-deno_buf FlatBufferBuilder::Allocator::GetAndKeepBuf(uint8_t* data_ptr,
- size_t data_len) {
- // The builder will typically allocate one chunk of memory with some
- // default size. After that, it'll only call allocate() again if the
- // initial allocation wasn't big enough, which is then immediately
- // followed by deallocate() to release the buffer that was too small.
- //
- // Therefore we can assume that the `data_ptr` points somewhere inside
- // the last allocation, and that we never have to protect earlier
- // allocations from being released.
- //
- // Each builder gets it's own Allocator instance, so multiple builders
- // can be exist at the same time without conflicts.
-
- assert(last_alloc_ptr_ != nullptr); // Must have allocated.
- assert(keep_alloc_ptr_ == nullptr); // Didn't export any buffer so far.
- assert(data_ptr >= last_alloc_ptr_); // Data must be within allocation.
- assert(data_ptr + data_len <= last_alloc_ptr_ + last_alloc_len_);
-
- keep_alloc_ptr_ = last_alloc_ptr_;
-
- deno_buf buf;
- buf.alloc_ptr = last_alloc_ptr_;
- buf.alloc_len = last_alloc_len_;
- buf.data_ptr = data_ptr;
- buf.data_len = data_len;
- return buf;
-}
-
-uint8_t* FlatBufferBuilder::Allocator::allocate(size_t size) {
- auto ptr = reinterpret_cast<uint8_t*>(malloc(size));
- if (ptr == nullptr) {
- return nullptr;
- }
-
- last_alloc_ptr_ = ptr;
- last_alloc_len_ = size;
-
- return ptr;
-}
-
-void FlatBufferBuilder::Allocator::deallocate(uint8_t* ptr, size_t size) {
- if (ptr == last_alloc_ptr_) {
- last_alloc_ptr_ = nullptr;
- last_alloc_len_ = 0;
- }
-
- if (ptr == keep_alloc_ptr_) {
- // This allocation became an exported buffer, so don't free it.
- // Clearing keep_alloc_ptr_ makes it possible to export another
- // buffer later (after the builder is reset with `Reset()`).
- keep_alloc_ptr_ = nullptr;
- return;
- }
-
- free(ptr);
-}
-
-} // namespace deno