diff options
Diffstat (limited to 'runtime/queries/scheme')
| -rw-r--r-- | runtime/queries/scheme/indents.scm | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/runtime/queries/scheme/indents.scm b/runtime/queries/scheme/indents.scm new file mode 100644 index 00000000..b00b2965 --- /dev/null +++ b/runtime/queries/scheme/indents.scm @@ -0,0 +1,43 @@ +; This roughly follows the description at: https://github.com/ds26gte/scmindent#how-subforms-are-indented + +; Exclude literals in the first patterns, since different rules apply for them. +; Similarly, exclude certain keywords (detected by a regular expression). +; If a list has 2 elements on the first line, it is aligned to the second element. +(list . (_) @first . (_) @anchor + (#same-line? @first @anchor) + (#set! "scope" "tail") + (#not-kind-eq? @first "boolean") (#not-kind-eq? @first "character") (#not-kind-eq? @first "string") (#not-kind-eq? @first "number") + (#not-match? @first "def.*|let.*|set!")) @align +; If the first element in a list is also a list and on a line by itself, the outer list is aligned to it +(list . (list) @anchor . + (#set! "scope" "tail") + (#not-kind-eq? @first "boolean") (#not-kind-eq? @first "character") (#not-kind-eq? @first "string") (#not-kind-eq? @first "number")) @align +(list . (list) @anchor . (_) @second + (#not-same-line? @anchor @second) + (#set! "scope" "tail") + (#not-kind-eq? @first "boolean") (#not-kind-eq? @first "character") (#not-kind-eq? @first "string") (#not-kind-eq? @first "number") + (#not-match? @first "def.*|let.*|set!")) @align +; If the first element in a list is not a list and on a line by itself, the outer list is aligned to +; it plus 1 additional space. This cannot currently be modelled exactly by our indent queries, +; but the following is equivalent, assuming that: +; - the indent width is 2 (the default for scheme) +; - There is no space between the opening parenthesis of the list and the first element +(list . (_) @first . + (#not-kind-eq? @first "boolean") (#not-kind-eq? @first "character") (#not-kind-eq? @first "string") (#not-kind-eq? @first "number") + (#not-match? @first "def.*|let.*|set!")) @indent +(list . (_) @first . (_) @second + (#not-same-line? @first @second) + (#not-kind-eq? @first "boolean") (#not-kind-eq? @first "character") (#not-kind-eq? @first "string") (#not-kind-eq? @first "number") + (#not-match? @first "def.*|let.*|set!")) @indent + +; If the first element in a list is a literal, align the list to it +(list . [(boolean) (character) (string) (number)] @anchor + (#set! "scope" "tail")) @align + +; If the first element is among a set of predefined keywords, align the list to this element +; plus 1 space (using the same workaround as above for now). This is a simplification since actually +; the second line of the list should be indented by 2 spaces more in some cases. Supporting this would +; be possible but require significantly more patterns. +(list . (symbol) @first + (#match? @first "def.*|let.*|set!")) @indent + |