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src: reduce macro usage #29357

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src: reduce macro usage #29357

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80c24c7
src: inline `SLICE_START_END()` in node_buffer.cc
addaleax Aug 28, 2019
b00f2db
src: turn `GET_OFFSET()` into an inline function
addaleax Aug 28, 2019
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17 changes: 7 additions & 10 deletions src/node_buffer.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -44,15 +44,6 @@
return node::THROW_ERR_OUT_OF_RANGE(env, "Index out of range"); \
} while (0) \

#define SLICE_START_END(env, start_arg, end_arg, end_max) \
size_t start = 0; \
size_t end = 0; \
THROW_AND_RETURN_IF_OOB(ParseArrayIndex(env, start_arg, 0, &start)); \
THROW_AND_RETURN_IF_OOB(ParseArrayIndex(env, end_arg, end_max, &end)); \
if (end < start) end = start; \
THROW_AND_RETURN_IF_OOB(Just(end <= end_max)); \
size_t length = end - start;

namespace node {
namespace Buffer {

Expand Down Expand Up @@ -468,7 +459,13 @@ void StringSlice(const FunctionCallbackInfo<Value>& args) {
if (buffer.length() == 0)
return args.GetReturnValue().SetEmptyString();

SLICE_START_END(env, args[0], args[1], buffer.length())
size_t start = 0;
size_t end = 0;
THROW_AND_RETURN_IF_OOB(ParseArrayIndex(env, args[0], 0, &start));
THROW_AND_RETURN_IF_OOB(ParseArrayIndex(env, args[1], buffer.length(), &end));
if (end < start) end = start;
THROW_AND_RETURN_IF_OOB(Just(end <= buffer.length()));
size_t length = end - start;

Local<Value> error;
MaybeLocal<Value> ret =
Expand Down
11 changes: 7 additions & 4 deletions src/node_file.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -88,7 +88,10 @@ constexpr char kPathSeparator = '/';
const char* const kPathSeparator = "\\/";
#endif

#define GET_OFFSET(a) (IsSafeJsInt(a) ? (a).As<Integer>()->Value() : -1)
inline int64_t GetOffset(Local<Value> value) {
return IsSafeJsInt(value) ? value.As<Integer>()->Value() : -1;
}

#define TRACE_NAME(name) "fs.sync." #name
#define GET_TRACE_ENABLED \
(*TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED \
Expand Down Expand Up @@ -1681,7 +1684,7 @@ static void WriteBuffer(const FunctionCallbackInfo<Value>& args) {
CHECK_LE(len, buffer_length);
CHECK_GE(off + len, off);

const int64_t pos = GET_OFFSET(args[4]);
const int64_t pos = GetOffset(args[4]);

char* buf = buffer_data + off;
uv_buf_t uvbuf = uv_buf_init(buf, len);
Expand Down Expand Up @@ -1721,7 +1724,7 @@ static void WriteBuffers(const FunctionCallbackInfo<Value>& args) {
CHECK(args[1]->IsArray());
Local<Array> chunks = args[1].As<Array>();

int64_t pos = GET_OFFSET(args[2]);
int64_t pos = GetOffset(args[2]);

MaybeStackBuffer<uv_buf_t> iovs(chunks->Length());

Expand Down Expand Up @@ -1765,7 +1768,7 @@ static void WriteString(const FunctionCallbackInfo<Value>& args) {
CHECK(args[0]->IsInt32());
const int fd = args[0].As<Int32>()->Value();

const int64_t pos = GET_OFFSET(args[2]);
const int64_t pos = GetOffset(args[2]);

const auto enc = ParseEncoding(isolate, args[3], UTF8);

Expand Down