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Refactor document to allow other input data structures

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This commit is contained in:
Max Brunsfeld 2014-03-01 22:43:25 -08:00
parent 72a0c0e09c
commit 0f4b6332cb
3 changed files with 76 additions and 33 deletions
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59
src/runtime/document.cpp
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@ -1,11 +1,10 @@
#include "tree_sitter/runtime.h"
#include <string.h>
struct ts_document {
ts_parse_fn *parse_fn;
const char **symbol_names;
ts_parse_config parse_config;
const ts_tree *tree;
size_t error_count;
ts_tree **errors;
};
ts_document * ts_document_make() {
@ -17,14 +16,7 @@ void ts_document_free(ts_document *document) {
}
void ts_document_set_parser(ts_document *document, ts_parse_config config) {
document->parse_fn = config.parse_fn;
document->symbol_names = config.symbol_names;
}
void ts_document_set_input_string(ts_document *document, const char *text) {
const ts_tree * result = document->parse_fn(text);
document->tree = result;
document->errors = NULL;
document->parse_config = config;
}
const ts_tree * ts_document_tree(const ts_document *document) {
@ -32,9 +24,44 @@ const ts_tree * ts_document_tree(const ts_document *document) {
}
const char * ts_document_string(const ts_document *document) {
if (document->error_count > 0) {
return ts_tree_error_string(document->errors[0], document->symbol_names);
} else {
return ts_tree_string(document->tree, document->symbol_names);
}
return ts_tree_string(document->tree, document->parse_config.symbol_names);
}
void ts_document_set_input(ts_document *document, ts_input input) {
document->tree = document->parse_config.parse_fn(input);
}
typedef struct {
const char *string;
size_t position;
size_t length;
} ts_string_input_data;
const char * ts_string_input_read(void *d) {
ts_string_input_data *data = (ts_string_input_data *)d;
return data->string + data->position;
}
int ts_string_input_seek(void *d, size_t position) {
ts_string_input_data *data = (ts_string_input_data *)d;
data->position = position;
return (position < data->length);
}
ts_input ts_string_input_make(const char *string) {
ts_string_input_data *data = new ts_string_input_data();
data->string = string;
data->position = 0;
data->length = strlen(string);
ts_input input = {
.data = (void *)data,
.read_fn = ts_string_input_read,
.seek_fn = ts_string_input_seek,
.release_fn = free,
};
return input;
}
void ts_document_set_input_string(ts_document *document, const char *text) {
ts_document_set_input(document, ts_string_input_make(text));
}