LFortran - modern interactive LLVM-based Fortran compiler
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LFortran is a modern interactive Fortran compiler based on LLVM.
-h, --help: Print this help message and exit-S: Emit assembly, do not assemble or link-c: Compile and assemble, do not link-o TEXT: Specify the file to place the output into-v: Be more verbose-E: Preprocess only; do not compile, assemble, or link-l TEXT ...: Link library option-L TEXT ...: Library path option-I TEXT ...: Include path-J TEXT: Where to save mod files-g: Compile with debugging information--debug-with-line-column: Convert the linear location info into line + column in the debugging information-D TEXT ...: Define<macro>=<value>(or 1 if<value>omitted)--version: Display compiler version information-W TEXT ...: Linker flags-f TEXT ...: All-f*flags (only -fPIC supported for now)--cpp: Enable C preprocessing--fixed-form: Use fixed form Fortran source parsing--fixed-form-infer: Use heuristics to infer if a file is in fixed form--no-prescan: Turn off prescan--show-prescan: Show tokens for the given file and exit--show-tokens: Show tokens for the given file and exit--show-ast: Show AST for the given file and exit--show-asr: Show ASR for the given file and exit--with-intrinsic-mods: Show intrinsic modules in ASR--show-ast-f90: Show Fortran from AST for the given file and exit--no-color: Turn off colored AST/ASR--no-indent: Turn off Indented print ASR/AST--tree: Tree structure print ASR/AST--json: Print ASR/AST Json format--no-loc: Skip location information in ASR/AST Json format--visualize: Print ASR/AST Visualization--pass TEXT: Apply the ASR pass and show ASR (implies --show-asr)--skip-pass TEXT: Skip an ASR pass in the default pipeline--show-llvm: Show LLVM IR for the given file and exit--show-cpp: Show C++ translation source for the given file and exit--show-c: Show C translation source for the given file and exit--show-asm: Show assembly for the given file and exit--show-wat: Show WAT (WebAssembly Text Format) and exit--show-julia: Show Julia translation source for the given file and exit--show-fortran: Show Fortran translation source for the given file and exit--show-stacktrace: Show internal stacktrace on compiler errors--symtab-only: Only create symbol tables in ASR (skip executable stmt)--time-report: Show compilation time report--static: Create a static executable--no-warnings: Turn off all warnings--no-error-banner: Turn off error banner--error-format TEXT=human: Control how errors are produced (human, short)--backend TEXT=llvm: Select a backend (llvm, cpp, x86, wasm, fortran)--openmp: Enable OpenMP--generate-object-code: Generate object code into .o files--rtlib: Include the full runtime library in the LLVM output--use-loop-variable-after-loop: Allow using loop variable after the loop--fast: Best performance (disable strict standard compliance)--link-with-gcc: Calls GCC for linking instead of clang--target TEXT: Generate code for the given target--print-targets: Print the registered targets--implicit-typing: Allow implicit typing--implicit-interface: Allow implicit interface--implicit-argument-casting: Allow implicit argument casting--print-leading-space: Print leading white space if format is unspecified--interactive-parse: Use interactive parse--verbose: Print debugging statements--dump-all-passes: Apply all the passes and dump the ASR into a file--dump-all-passes-fortran: Apply all passes and dump the ASR after each pass into a Fortran file--cumulative: Apply all the passes cumulatively till the given pass--realloc-lhs: Reallocate left-hand side automatically--module-mangling: Mangles the module name--global-mangling: Mangles all the global symbols--intrinsic-mangling: Mangles all the intrinsic symbols--all-mangling: Mangles all possible symbols--bindc-mangling: Mangles functions with ABI bind(c)--apply-fortran-mangling: Mangle symbols with Fortran supported syntax--mangle-underscore: Mangles with underscore--legacy-array-sections: Enables passing array items as sections if required--ignore-pragma: Ignores all the pragmas--stack-arrays: Allocate memory for arrays on stack
fmt: Format Fortran source files.kernel: Run in Jupyter kernel mode.mod: Fortran mod file utilities.pywrap: Python wrapper generator
For more information, visit the official LFortran documentation at https://docs.lfortran.org/.