Features

• Project-wide and Document symbol detection and Renaming

• Hover support, Signature help and Auto-completion

• GoTo/Peek implementation and Find/Peek references

• Preprocessor support

• Documentation parsing Doxygen and FORD styles

• Diagnostics

• Code actions

• Intrinsics modules

Completion

Hover

Symbols

Project-wide and single Document symbol search

Signature Help

Find References

Go To Definition of a function

Peek into the Definition of a function

Peek into all the References of a function

Renaming

Rename a variable

Diagnostics

• Multiple definitions with the same variable name

• Variable definition masks definition from parent scope

• Missing subroutine/function arguments

• Unknown user-defined type used in TYPE/ CLASS definition (only if visible in project)

• Unclosed blocks/scopes

• Invalid scope nesting

• Unknown modules in USE statement

• Unimplemented deferred type-bound procedures

• Use of non-imported variables/objects in interface blocks

• Statement placement errors (CONTAINS, IMPLICIT, IMPORT)

Code Actions

• Generate type-bound procedures and implementation templates for deferred procedures

Intrinsics Modules

• ISO_FORTRAN_ENV, ISO_C_BINDING GCC 11.2.0

• IEEE_EXCEPTIONS, IEEE_ARITHMETIC, IEEE_FEATURES GCC 11.2.0

• OpenMP OMP_LIB, OMP_LIB_KINDS v5.0

• OpenACC OPENACC, OPENACC_KINDS v3.1

All LSP Requests

tmp

Request	Description
workspace/symbol	Get workspace-wide symbols
textDocument/documentSymbol	Get document symbols e.g. functions, subroutines, etc.
textDocument/completion	Suggested tab-completion when typing
textDocument/signatureHelp	Get signature information at a given cursor position
textDocument/definition	GoTo definition/Peek definition
textDocument/references	Find all/Peek references
textDocument/documentHighlight	Same as textDocument/references
textDocument/hover	Show messages and signatures upon hover
textDocument/implementation	GoTo implementation/Peek implementation
textDocument/rename	Rename a symbol across the workspace
textDocument/didOpen	Document synchronisation upon opening
textDocument/didSave	Document synchronisation upon saving
textDocument/didClose	Document synchronisation upon closing
textDocument/didChange	Document synchronisation upon changes to the document
textDocument/codeAction	Experimental Generate code