traxys/tree-sitter
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Don't reuse any nodes that contain an error as a child node

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This commit is contained in:
Max Brunsfeld 2014-10-23 12:50:37 -07:00
parent 647c3e2010
commit 3bc4971fd5
5 changed files with 83 additions and 24 deletions
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27
src/runtime/tree.h
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@ -9,9 +9,10 @@ extern "C" {
#include "tree_sitter/parser.h"
typedef enum {
TSTreeOptionsHidden = 1,
TSTreeOptionsExtra = 2,
TSTreeOptionsWrapper = 4,
TSTreeOptionsHidden = 1 << 0,
TSTreeOptionsExtra = 1 << 1,
TSTreeOptionsWrapper = 1 << 2,
TSTreeOptionsHasError = 1 << 3,
} TSTreeOptions;
struct TSTree {
@ -39,14 +40,26 @@ static inline bool ts_tree_is_visible(const TSTree *tree) {
return !(tree->options & TSTreeOptionsHidden);
}
static inline void ts_tree_set_extra(TSTree *tree) {
tree->options = (TSTreeOptions)(tree->options | TSTreeOptionsExtra);
}
static inline bool ts_tree_is_wrapper(const TSTree *tree) {
return !!(tree->options & TSTreeOptionsWrapper);
}
static inline bool ts_tree_has_error(const TSTree *tree) {
return !!(tree->options & TSTreeOptionsHasError);
}
static inline void ts_tree_set_options(TSTree *tree, TSTreeOptions options) {
tree->options = (TSTreeOptions)(tree->options | options);
}
static inline void ts_tree_set_extra(TSTree *tree) {
ts_tree_set_options(tree, TSTreeOptionsExtra);
}
static inline void ts_tree_set_has_error(TSTree *tree) {
ts_tree_set_options(tree, TSTreeOptionsHasError);
}
TSTree *ts_tree_make_leaf(TSSymbol, TSLength, TSLength, bool);
TSTree *ts_tree_make_node(TSSymbol, size_t, TSTree **, bool);
TSTree *ts_tree_make_error(TSLength size, TSLength padding, char lookahead_char);