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Remove redundant functions for Documents

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There's no need for a `string` function since one already
exists for Nodes.

Now the root node is always stored on the document. This
means callers of `ts_document_root_node` don't need to release
its return value.
This commit is contained in:
Max Brunsfeld 2014-08-08 12:58:39 -07:00
parent 7ba3953f7e
commit 8da9219c3a
6 changed files with 23 additions and 43 deletions
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50
src/runtime/document.c
View file

@ -1,22 +1,17 @@
#include "tree_sitter/runtime.h"
#include "tree_sitter/parser.h"
#include "runtime/tree.h"
#include "runtime/node.h"
#include "runtime/parser.h"
#include "runtime/string_input.h"
struct TSDocument {
TSParser parser;
const TSTree *tree;
TSInput input;
TSNode *node;
};
TSDocument *ts_document_make() {
TSDocument *document = malloc(sizeof(TSDocument));
*document = (TSDocument) {
.input = (TSInput) { .data = NULL, .read_fn = NULL, .seek_fn = NULL },
.tree = NULL
};
*document = (TSDocument) {};
return document;
}
@ -24,34 +19,34 @@ void ts_document_free(TSDocument *document) {
ts_parser_destroy(&document->parser);
if (document->input.release_fn)
document->input.release_fn(document->input.data);
if (document->node)
ts_node_release(document->node);
free(document);
}
static void reparse(TSDocument *document, TSInputEdit *edit) {
if (document->input.read_fn && document->parser.language) {
const TSTree *tree = ts_parser_parse(&document->parser, document->input, edit);
if (document->node)
ts_node_release(document->node);
document->node = ts_node_make_root(tree, document->parser.language->symbol_names);
}
}
void ts_document_set_language(TSDocument *document,
const TSLanguage *language) {
ts_parser_destroy(&document->parser);
document->parser = ts_parser_make(language);
if (document->input.read_fn)
document->tree = ts_parser_parse(&document->parser, document->input, NULL);
}
const TSTree *ts_document_tree(const TSDocument *document) {
return document->tree;
}
const char *ts_document_string(const TSDocument *document) {
return ts_tree_string(document->tree,
document->parser.language->symbol_names);
reparse(document, NULL);
}
void ts_document_set_input(TSDocument *document, TSInput input) {
document->input = input;
if (document->parser.language)
document->tree = ts_parser_parse(&document->parser, document->input, NULL);
reparse(document, NULL);
}
void ts_document_edit(TSDocument *document, TSInputEdit edit) {
document->tree = ts_parser_parse(&document->parser, document->input, &edit);
reparse(document, &edit);
}
const char *ts_document_symbol_name(const TSDocument *document,
@ -64,16 +59,5 @@ void ts_document_set_input_string(TSDocument *document, const char *text) {
}
TSNode *ts_document_root_node(const TSDocument *document) {
if (document->tree)
return ts_node_make_root(document->tree,
document->parser.language->symbol_names);
else
return NULL;
}
TSNode *ts_document_get_node(const TSDocument *document, size_t pos) {
TSNode *root = ts_document_root_node(document);
TSNode *result = ts_node_leaf_at_pos(root, pos);
ts_node_release(root);
return result;
return document->node;
}