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This commit is contained in:
Arthur Baars
2020-10-28 17:40:01 +01:00
parent d2f42552f6
commit 4c04b8bb15
1 changed files with 8 additions and 0 deletions
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8
extractor/src/extractor.rs
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@@ -274,6 +274,14 @@ fn sliced_source_arg(source: &Vec<u8>, n: Node) -> Arg {
// Emit a 'Located' TrapEntry for the provided node, appropriately calibrated.
fn location_for<'a>(source: &Vec<u8>, fp: &String, label: Label, n: Node) -> TrapEntry {
// Tree-sitter row, column values are 0-based while CodeQL starts
// counting at 1. In addition Tree-sitter's row and column for the
// end position are exclusive while CodeQL's end positions are inclusive.
// This means that all values should be incremented by 1 and in addition the
// end position needs to be shift 1 to the left. In most cases this means
// simply incrementing all values except the end column except in cases where
// the end column is 0 (start of a line). In such cases the end position must be
// set to the end of the previous line.
let start_line = n.start_position().row + 1;
let start_col = n.start_position().column + 1;
let mut end_line = n.end_position().row + 1;