Hi,
With R-3.1.0 I get:
> getParseData(parse(text = "{1}", keep.source = TRUE))
line1 col1 line2 col2 id parent token terminal text
7 1 1 1 3 7 9 expr FALSE
1 1 1 1 1 1 7 '{' TRUE {
2 1 2 1 2 2 3 NUM_CONST TRUE 1
3 1 2 1 2 3 5 expr FALSE
4 1 3 1 3 4 7 '}' TRUE }
Which has two problems:
1) the parent of the first expression (id=7) should be 0
2) the parent of the expression with id=3 should be 7
For reference, with R-3.0.2:
> getParseData(parse(text = "{1}", keep.source = TRUE))
line1 col1 line2 col2 id parent token terminal text
7 1 1 1 3 7 0 expr FALSE
1 1 1 1 1 1 7 '{' TRUE {
2 1 2 1 2 2 3 NUM_CONST TRUE 1
3 1 2 1 2 3 7 expr FALSE
4 1 3 1 3 4 7 '}' TRUE }
which is correct.
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