traxys/tree-sitter
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Start work on re-using right side of parse tree

Browse source
This commit is contained in:
Max Brunsfeld 2014-10-09 14:02:03 -07:00
parent 80b8a0a9fb
commit 4dcc712a8c
5 changed files with 119 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

11
spec/runtime/helpers/spy_reader.cc
View file

@ -36,13 +36,19 @@ SpyReader::SpyReader(string content, size_t chunk_size) :
buffer(new char[chunk_size]),
content(content),
position(0),
chunk_size(chunk_size) {}
chunk_size(chunk_size),
strings_read({ "" }) {}
SpyReader::~SpyReader() {
delete buffer;
}
const char * SpyReader::read(size_t *bytes_read) {
if (position > content.size()) {
*bytes_read = 0;
return "";
}
const char *start = content.data() + position;
long len = position_for_char_index(start, content.size() - position, chunk_size);
if (len < 0)
@ -58,7 +64,8 @@ const char * SpyReader::read(size_t *bytes_read) {
}
int SpyReader::seek(size_t pos) {
strings_read.push_back("");
if (position != pos)
strings_read.push_back("");
position = pos;
return 0;
}