Function calls (`y = f(x)`) were silently dropped — only `subroutine_call`
(`call sub(...)`) was handled in walk_calls. tree-sitter-fortran represents a
function invocation as a `call_expression`, which had no branch, so every
function-to-function call produced no edge.
Handle `call_expression`. Because Fortran uses the same `name(...)` syntax for
array indexing, the callee is resolved against procedures defined in the file
(`target_nid in seen_ids`) before emitting — so array accesses like `arr(i)`
cannot fabricate spurious `calls` edges. Adds a function + caller to the
fixture and a regression test.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
- Add Fortran support (26th language): .f/.F/.f90/.F90/.f95/.F95/.f03/.F03/.f08/.F08
via tree-sitter-fortran; capital-F files preprocessed with cpp -w -P
- Add graphify export {html,obsidian,wiki,svg,graphml,neo4j} CLI subcommands
- Add graphify query/path/explain CLI subcommands
- Reduce skill.md from 63KB to 47KB by replacing Python heredocs with CLI calls
- Extend to_html() with node_limit param for auto-aggregation on large graphs
- Add integration tests for all export/query/path/explain subcommands
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
