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dump validation errors

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This commit is contained in:
Aleksey Kladov 2018-12-27 15:07:51 +03:00
parent 359e70d1b2
commit a912b261d3
1 changed files with 5 additions and 2 deletions
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7
crates/ra_syntax/src/utils.rs
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@ -1,10 +1,13 @@
use crate::{SourceFileNode, SyntaxKind, SyntaxNodeRef, WalkEvent};
use crate::{SourceFileNode, SyntaxKind, SyntaxNodeRef, WalkEvent, AstNode};
use std::fmt::Write;
use std::str;
/// Parse a file and create a string representation of the resulting parse tree.
pub fn dump_tree(syntax: SyntaxNodeRef) -> String {
let mut errors: Vec<_> = syntax.root_data().to_vec();
let mut errors: Vec<_> = match syntax.ancestors().find_map(SourceFileNode::cast) {
Some(file) => file.owned().errors(),
None => syntax.root_data().to_vec(),
};
errors.sort_by_key(|e| e.offset());
let mut err_pos = 0;
let mut level = 0;