multilanguage source code reformatter / beautifier / pretty-printer

Question

I'm looking for a multi language source code reformatter / beautifier / pretty-printer. Installing and managing a separate tool for each language is quite time-wasting.

It has to support

• C/C++
• Java
• JavaScript
• HTML
• PHP
• Python
• Lua
• and hopefully some other languages I need in the future

It has to work on Linux and I'd like to avoid online solutions and closed-source software.

The most language-agnostic solution I've found so far is clang-format, which supports C/C++, Java, JavaScript, Objective-C and Protobuf.

Alternatively, GNU source-highlight and Pygments claim to support a lot of languages, but it is not clear to me if they can also reformat the source code they process and print it to stdout.

For instance I've tried:

source-highlight --lang-def=nohilite.lang --output=STDOUT -i test.c

and it just outputs the source file surrounded by some HTML tags.

Answer 1

You could look at CodeMirror 2 which fits 90%-95% of your requirements and can be expanded to fit the rest:

• Open Source & Gratis - Yes commercial support is available from the author.
• Code Reformatting - Yes
• Syntax Highlighting - Yes
• Linux - Yes Cross platform JavaScript-based in-browser solution
• Offline Use - Yes either download the latest release or clone the git repository and run from that.
• Support the following languages:
  • C/C++ Yes
  • Java Yes
  • JavaScript Yes
  • Objective-C Not specifically but C mode should more or less cover this and is even in the examples
  • Protobuf Not mentioned on the web page but present in the git repo
  • HTML Yes
  • PHP Yes
  • Python Yes
  • Lua Yes
  • and hopefully some other languages I need in the future 50 languages currently supported and you can add your own

Hopefully if you add additional languages you will contribute them back to the project

Demo: Before autoformat

Demo After autoformat all

Answer 2

Note that pygments is a code highlighter, not a re-formatting tool, it is not intended as such.

The python pygments package, when installed with:

pip install -U pygments

or on Linux:

sudo pip install -U pygments

Adds the command pygmentize can output to html, or to a colour supporting terminal, testing on a python file, with the default output style and autodetect:

Python & pygments are:

• Free, Gratis & Open Source
• Cross Platform
• pygments currently supports a number of output formats, HTML, LaTeX, RTF, SVG, all image formats that PIL supports and ANSI sequences

Checking my installed version for supported lexers gives well over 300 suported languages &/or variants which should be pleanty for most people:

Pygments version 2.1.3, (c) 2006-2015 by Georg Brandl.

Lexers:

• abap: ABAP (filenames *.abap, *.ABAP)
• abnf: ABNF (filenames *.abnf)
• ada, ada95, ada2005: Ada (filenames *.adb, *.ads, *.ada)
• adl: ADL (filenames *.adl, *.adls, *.adlf, *.adlx)
• agda: Agda (filenames *.agda)
• ahk, autohotkey: autohotkey (filenames *.ahk, *.ahkl)
• alloy: Alloy (filenames *.als)
• antlr-as, antlr-actionscript: ANTLR With ActionScript Target (filenames *.G, *.g)
• antlr-cpp: ANTLR With CPP Target (filenames *.G, *.g)
• antlr-csharp, antlr-c#: ANTLR With C# Target (filenames *.G, *.g)
• antlr-java: ANTLR With Java Target (filenames *.G, *.g)
• antlr-objc: ANTLR With ObjectiveC Target (filenames *.G, *.g)
• antlr-perl: ANTLR With Perl Target (filenames *.G, *.g)
• antlr-python: ANTLR With Python Target (filenames *.G, *.g)
• antlr-ruby, antlr-rb: ANTLR With Ruby Target (filenames *.G, *.g)
• antlr: ANTLR
• apacheconf, aconf, apache: ApacheConf (filenames .htaccess, apache.conf, apache2.conf)
• apl: APL (filenames *.apl)
• applescript: AppleScript (filenames *.applescript)
• arduino: Arduino (filenames *.ino)
• as, actionscript: ActionScript (filenames *.as)
• as3, actionscript3: ActionScript 3 (filenames *.as)
• aspectj: AspectJ (filenames *.aj)
• aspx-cs: aspx-cs (filenames *.aspx, *.asax, *.ascx, *.ashx, *.asmx, *.axd)
• aspx-vb: aspx-vb (filenames *.aspx, *.asax, *.ascx, *.ashx, *.asmx, *.axd)
• asy, asymptote: Asymptote (filenames *.asy)
• at, ambienttalk, ambienttalk/2: AmbientTalk (filenames *.at)
• autoit: AutoIt (filenames *.au3)
• awk, gawk, mawk, nawk: Awk (filenames *.awk)
• basemake: Base Makefile
• bash, sh, ksh, shell: Bash (filenames *.sh, *.ksh, *.bash, *.ebuild, *.eclass, *.exheres-0, .exlib, .bashrc, bashrc, .bash_, bash_*, PKGBUILD)
• bat, batch, dosbatch, winbatch: Batchfile (filenames *.bat, *.cmd)
• bbcode: BBCode
• bc: BC (filenames *.bc)
• befunge: Befunge (filenames *.befunge)
• blitzbasic, b3d, bplus: BlitzBasic (filenames *.bb, *.decls)
• blitzmax, bmax: BlitzMax (filenames *.bmx)
• bnf: BNF (filenames *.bnf)
• boo: Boo (filenames *.boo)
• boogie: Boogie (filenames *.bpl)
• brainfuck, bf: Brainfuck (filenames *.bf, *.b)
• bro: Bro (filenames *.bro)
• bugs, winbugs, openbugs: BUGS (filenames *.bug)
• c-objdump: c-objdump (filenames *.c-objdump)
• c: C (filenames *.c, *.h, *.idc)
• ca65: ca65 assembler (filenames *.s)
• cadl: cADL (filenames *.cadl)
• camkes, idl4: CAmkES (filenames *.camkes, *.idl4)
• cbmbas: CBM BASIC V2 (filenames *.bas)
• ceylon: Ceylon (filenames *.ceylon)
• cfc: Coldfusion CFC (filenames *.cfc)
• cfengine3, cf3: CFEngine3 (filenames *.cf)
• cfm: Coldfusion HTML (filenames *.cfm, *.cfml)
• cfs: cfstatement
• chai, chaiscript: ChaiScript (filenames *.chai)
• chapel, chpl: Chapel (filenames *.chpl)
• cheetah, spitfire: Cheetah (filenames *.tmpl, *.spt)
• cirru: Cirru (filenames *.cirru)
• clay: Clay (filenames *.clay)
• clojure, clj: Clojure (filenames *.clj)
• clojurescript, cljs: ClojureScript (filenames *.cljs)
• cmake: CMake (filenames *.cmake, CMakeLists.txt)
• cobol: COBOL (filenames *.cob, *.COB, *.cpy, *.CPY)
• cobolfree: COBOLFree (filenames *.cbl, *.CBL)
• coffee-script, coffeescript, coffee: CoffeeScript (filenames *.coffee)
• common-lisp, cl, lisp: Common Lisp (filenames *.cl, *.lisp)
• componentpascal, cp: Component Pascal (filenames *.cp, *.cps)
• console, shell-session: Bash Session (filenames *.sh-session, *.shell-session)
• control, debcontrol: Debian Control file (filenames control)
• coq: Coq (filenames *.v)
• cpp, c++: C++ (filenames *.cpp, *.hpp, *.c++, *.h++, *.cc, *.hh, *.cxx, *.hxx, *.C, *.H, *.cp, *.CPP)
• cpp-objdump, c++-objdumb, cxx-objdump: cpp-objdump (filenames *.cpp-objdump, *.c++-objdump, *.cxx-objdump)
• cpsa: CPSA (filenames *.cpsa)
• crmsh, pcmk: Crmsh (filenames *.crmsh, *.pcmk)
• croc: Croc (filenames *.croc)
• cryptol, cry: Cryptol (filenames *.cry)
• csharp, c#: C# (filenames *.cs)
• csound, csound-orc: Csound Orchestra (filenames *.orc)
• csound-document, csound-csd: Csound Document (filenames *.csd)
• csound-score, csound-sco: Csound Score (filenames *.sco)
• css+django, css+jinja: CSS+Django/Jinja
• css+erb, css+ruby: CSS+Ruby
• css+genshitext, css+genshi: CSS+Genshi Text
• css+lasso: CSS+Lasso
• css+mako: CSS+Mako
• css+mako: CSS+Mako
• css+mozpreproc: CSS+mozpreproc (filenames *.css.in)
• css+myghty: CSS+Myghty
• css+php: CSS+PHP
• css+smarty: CSS+Smarty
• css: CSS (filenames *.css)
• cucumber, gherkin: Gherkin (filenames *.feature)
• cuda, cu: CUDA (filenames *.cu, *.cuh)
• cypher: Cypher (filenames *.cyp, *.cypher)
• cython, pyx, pyrex: Cython (filenames *.pyx, *.pxd, *.pxi)
• d-objdump: d-objdump (filenames *.d-objdump)
• d: D (filenames *.d, *.di)
• dart: Dart (filenames *.dart)
• delphi, pas, pascal, objectpascal: Delphi (filenames *.pas)
• dg: dg (filenames *.dg)
• diff, udiff: Diff (filenames *.diff, *.patch)
• django, jinja: Django/Jinja
• docker, dockerfile: Docker (filenames Dockerfile, *.docker)
• doscon: MSDOS Session
• dpatch: Darcs Patch (filenames *.dpatch, *.darcspatch)
• dtd: DTD (filenames *.dtd)
• duel, jbst, jsonml+bst: Duel (filenames *.duel, *.jbst)
• dylan-console, dylan-repl: Dylan session (filenames *.dylan-console)
• dylan-lid, lid: DylanLID (filenames *.lid, *.hdp)
• dylan: Dylan (filenames *.dylan, *.dyl, *.intr)
• earl-grey, earlgrey, eg: Earl Grey (filenames *.eg)
• easytrieve: Easytrieve (filenames *.ezt, *.mac)
• ebnf: EBNF (filenames *.ebnf)
• ec: eC (filenames *.ec, *.eh)
• ecl: ECL (filenames *.ecl)
• eiffel: Eiffel (filenames *.e)
• elixir, ex, exs: Elixir (filenames *.ex, *.exs)
• elm: Elm (filenames *.elm)
• emacs, elisp, emacs-lisp: EmacsLisp (filenames *.el)
• erb: ERB
• erl: Erlang erl session (filenames *.erl-sh)
• erlang: Erlang (filenames *.erl, *.hrl, *.es, *.escript)
• evoque: Evoque (filenames *.evoque)
• ezhil: Ezhil (filenames *.n)
• factor: Factor (filenames *.factor)
• fan: Fantom (filenames *.fan)
• fancy, fy: Fancy (filenames *.fy, *.fancypack)
• felix, flx: Felix (filenames *.flx, *.flxh)
• fish, fishshell: Fish (filenames *.fish, *.load)
• fortran: Fortran (filenames *.f03, *.f90, *.F03, *.F90)
• fortranfixed: FortranFixed (filenames *.f, *.F)
• foxpro, vfp, clipper, xbase: FoxPro (filenames *.PRG, *.prg)
• fsharp: FSharp (filenames *.fs, *.fsi)
• gap: GAP (filenames *.g, *.gd, *.gi, *.gap)
• gas, asm: GAS (filenames *.s, *.S)
• genshi, kid, xml+genshi, xml+kid: Genshi (filenames *.kid)
• genshitext: Genshi Text
• glsl: GLSL (filenames *.vert, *.frag, *.geo)
• gnuplot: Gnuplot (filenames *.plot, *.plt)
• go: Go (filenames *.go)
• golo: Golo (filenames *.golo)
• gooddata-cl: GoodData-CL (filenames *.gdc)
• gosu: Gosu (filenames *.gs, *.gsx, *.gsp, *.vark)
• groff, nroff, man: Groff (filenames *.[1234567], *.man)
• groovy: Groovy (filenames *.groovy, *.gradle)
• gst: Gosu Template (filenames *.gst)
• haml: Haml (filenames *.haml)
• handlebars: Handlebars
• haskell, hs: Haskell (filenames *.hs)
• haxeml, hxml: Hxml (filenames *.hxml)
• hexdump: Hexdump
• html+cheetah, html+spitfire, htmlcheetah: HTML+Cheetah
• html+django, html+jinja, htmldjango: HTML+Django/Jinja
• html+evoque: HTML+Evoque (filenames *.html)
• html+genshi, html+kid: HTML+Genshi
• html+handlebars: HTML+Handlebars (filenames *.handlebars, *.hbs)
• html+lasso: HTML+Lasso
• html+mako: HTML+Mako
• html+mako: HTML+Mako
• html+myghty: HTML+Myghty
• html+php: HTML+PHP (filenames *.phtml)
• html+smarty: HTML+Smarty
• html+twig: HTML+Twig (filenames *.twig)
• html+velocity: HTML+Velocity
• html: HTML (filenames *.html, *.htm, *.xhtml, *.xslt)
• http: HTTP
• hx, haxe, hxsl: Haxe (filenames *.hx, *.hxsl)
• hybris, hy: Hybris (filenames *.hy, *.hyb)
• hylang: Hy (filenames *.hy)
• i6t: Inform 6 template (filenames *.i6t)
• idl: IDL (filenames *.pro)
• idris, idr: Idris (filenames *.idr)
• iex: Elixir iex session
• igor, igorpro: Igor (filenames *.ipf)
• inform6, i6: Inform 6 (filenames *.inf)
• inform7, i7: Inform 7 (filenames *.ni, *.i7x)
• ini, cfg, dosini: INI (filenames *.ini, *.cfg, *.inf)
• io: Io (filenames *.io)
• ioke, ik: Ioke (filenames *.ik)
• ipython2, ipython: IPython
• ipython3: IPython3
• ipythonconsole: IPython console session
• irc: IRC logs (filenames *.weechatlog)
• isabelle: Isabelle (filenames *.thy)
• j: J (filenames *.ijs)
• jade: Jade (filenames *.jade)
• jags: JAGS (filenames *.jag, *.bug)
• jasmin, jasminxt: Jasmin (filenames *.j)
• java: Java (filenames *.java)
• javascript+mozpreproc: Javascript+mozpreproc (filenames *.js.in)
• jcl: JCL (filenames *.jcl)
• jlcon: Julia console
• js+cheetah, javascript+cheetah, js+spitfire, javascript+spitfire: JavaScript+Cheetah
• js+django, javascript+django, js+jinja, javascript+jinja: JavaScript+Django/Jinja
• js+erb, javascript+erb, js+ruby, javascript+ruby: JavaScript+Ruby
• js+genshitext, js+genshi, javascript+genshitext, javascript+genshi: JavaScript+Genshi Text
• js+lasso, javascript+lasso: JavaScript+Lasso
• js+mako, javascript+mako: JavaScript+Mako
• js+mako, javascript+mako: JavaScript+Mako
• js+myghty, javascript+myghty: JavaScript+Myghty
• js+php, javascript+php: JavaScript+PHP
• js+smarty, javascript+smarty: JavaScript+Smarty
• js, javascript: JavaScript (filenames *.js, *.jsm)
• json: JSON (filenames *.json)
• jsonld, json-ld: JSON-LD (filenames *.jsonld)
• jsp: Java Server Page (filenames *.jsp)
• julia, jl: Julia (filenames *.jl)
• kal: Kal (filenames *.kal)
• kconfig, menuconfig, linux-config, kernel-config: Kconfig (filenames Kconfig, Config.in, external.in*, standard-modules.in)
• koka: Koka (filenames *.kk, *.kki)
• kotlin: Kotlin (filenames *.kt)
• lagda, literate-agda: Literate Agda (filenames *.lagda)
• lasso, lassoscript: Lasso (filenames *.lasso, *.lasso[89])
• lcry, literate-cryptol, lcryptol: Literate Cryptol (filenames *.lcry)
• lean: Lean (filenames *.lean)
• less: LessCss (filenames *.less)
• lhs, literate-haskell, lhaskell: Literate Haskell (filenames *.lhs)
• lidr, literate-idris, lidris: Literate Idris (filenames *.lidr)
• lighty, lighttpd: Lighttpd configuration file
• limbo: Limbo (filenames *.b)
• liquid: liquid (filenames *.liquid)
• live-script, livescript: LiveScript (filenames *.ls)
• llvm: LLVM (filenames *.ll)
• logos: Logos (filenames *.x, *.xi, *.xm, *.xmi)
• logtalk: Logtalk (filenames *.lgt, *.logtalk)
• lsl: LSL (filenames *.lsl)
• lua: Lua (filenames *.lua, *.wlua)
• make, makefile, mf, bsdmake: Makefile (filenames *.mak, .mk, Makefile, makefile, Makefile., GNUmakefile)
• mako: Mako (filenames *.mao)
• mako: Mako (filenames *.mao)
• maql: MAQL (filenames *.maql)
• mask: Mask (filenames *.mask)
• mason: Mason (filenames *.m, *.mhtml, *.mc, *.mi, autohandler, dhandler)
• mathematica, mma, nb: Mathematica (filenames *.nb, *.cdf, *.nbp, *.ma)
• matlab: Matlab (filenames *.m)
• matlabsession: Matlab session
• minid: MiniD
• modelica: Modelica (filenames *.mo)
• modula2, m2: Modula-2 (filenames *.def, *.mod)
• monkey: Monkey (filenames *.monkey)
• moocode, moo: MOOCode (filenames *.moo)
• moon, moonscript: MoonScript (filenames *.moon)
• mozhashpreproc: mozhashpreproc
• mozpercentpreproc: mozpercentpreproc
• mql, mq4, mq5, mql4, mql5: MQL (filenames *.mq4, *.mq5, *.mqh)
• mscgen, msc: Mscgen (filenames *.msc)
• mupad: MuPAD (filenames *.mu)
• mxml: MXML (filenames *.mxml)
• myghty: Myghty (filenames *.myt, autodelegate)
• mysql: MySQL
• nasm: NASM (filenames *.asm, *.ASM)
• nemerle: Nemerle (filenames *.n)
• nesc: nesC (filenames *.nc)
• newlisp: NewLisp (filenames *.lsp, *.nl)
• newspeak: Newspeak (filenames *.ns2)
• nginx: Nginx configuration file
• nimrod, nim: Nimrod (filenames *.nim, *.nimrod)
• nit: Nit (filenames *.nit)
• nixos, nix: Nix (filenames *.nix)
• nsis, nsi, nsh: NSIS (filenames *.nsi, *.nsh)
• numpy: NumPy
• objdump-nasm: objdump-nasm (filenames *.objdump-intel)
• objdump: objdump (filenames *.objdump)
• objective-c++, objectivec++, obj-c++, objc++: Objective-C++ (filenames *.mm, *.hh)
• objective-c, objectivec, obj-c, objc: Objective-C (filenames *.m, *.h)
• objective-j, objectivej, obj-j, objj: Objective-J (filenames *.j)
• ocaml: OCaml (filenames *.ml, *.mli, *.mll, *.mly)
• octave: Octave (filenames *.m)
• odin: ODIN (filenames *.odin)
• ooc: Ooc (filenames *.ooc)
• opa: Opa (filenames *.opa)
• openedge, abl, progress: OpenEdge ABL (filenames *.p, *.cls)
• pacmanconf: PacmanConf (filenames pacman.conf)
• pan: Pan (filenames *.pan)
• parasail: ParaSail (filenames *.psi, *.psl)
• pawn: Pawn (filenames *.p, *.pwn, *.inc)
• perl, pl: Perl (filenames *.pl, *.pm, *.t)
• perl6, pl6: Perl6 (filenames *.pl, *.pm, *.nqp, *.p6, *.6pl, *.p6l, *.pl6, *.6pm, *.p6m, *.pm6, *.t)
• php, php3, php4, php5: PHP (filenames *.php, *.php[345], *.inc)
• pig: Pig (filenames *.pig)
• pike: Pike (filenames *.pike, *.pmod)
• pkgconfig: PkgConfig (filenames *.pc)
• plpgsql: PL/pgSQL
• postgresql, postgres: PostgreSQL SQL dialect
• postscript, postscr: PostScript (filenames *.ps, *.eps)
• pot, po: Gettext Catalog (filenames *.pot, *.po)
• pov: POVRay (filenames *.pov, *.inc)
• powershell, posh, ps1, psm1: PowerShell (filenames *.ps1, *.psm1)
• praat: Praat (filenames *.praat, *.proc, *.psc)
• prolog: Prolog (filenames *.ecl, *.prolog, *.pro, *.pl)
• properties, jproperties: Properties (filenames *.properties)
• protobuf, proto: Protocol Buffer (filenames *.proto)
• ps1con: PowerShell Session
• psql, postgresql-console, postgres-console: PostgreSQL console (psql)
• puppet: Puppet (filenames *.pp)
• py3tb: Python 3.0 Traceback (filenames *.py3tb)
• pycon: Python console session
• pypylog, pypy: PyPy Log (filenames *.pypylog)
• pytb: Python Traceback (filenames *.pytb)
• python, py, sage: Python (filenames *.py, *.pyw, *.sc, SConstruct, SConscript, *.tac, *.sage)
• python3, py3: Python 3
• qbasic, basic: QBasic (filenames *.BAS, *.bas)
• qml, qbs: QML (filenames *.qml, *.qbs)
• qvto, qvt: QVTO (filenames *.qvto)
• racket, rkt: Racket (filenames *.rkt, *.rktd, *.rktl)
• ragel-c: Ragel in C Host (filenames *.rl)
• ragel-cpp: Ragel in CPP Host (filenames *.rl)
• ragel-d: Ragel in D Host (filenames *.rl)
• ragel-em: Embedded Ragel (filenames *.rl)
• ragel-java: Ragel in Java Host (filenames *.rl)
• ragel-objc: Ragel in Objective C Host (filenames *.rl)
• ragel-ruby, ragel-rb: Ragel in Ruby Host (filenames *.rl)
• ragel: Ragel
• raw: Raw token data
• rb, ruby, duby: Ruby (filenames *.rb, *.rbw, Rakefile, *.rake, *.gemspec, *.rbx, *.duby, Gemfile)
• rbcon, irb: Ruby irb session
• rconsole, rout: RConsole (filenames *.Rout)
• rd: Rd (filenames *.Rd)
• rebol: REBOL (filenames *.r, *.r3, *.reb)
• red, red/system: Red (filenames *.red, *.reds)
• redcode: Redcode (filenames *.cw)
• registry: reg (filenames *.reg)
• resource, resourcebundle: ResourceBundle (filenames *.txt)
• rexx, arexx: Rexx (filenames *.rexx, *.rex, *.rx, *.arexx)
• rhtml, html+erb, html+ruby: RHTML (filenames *.rhtml)
• roboconf-graph: Roboconf Graph (filenames *.graph)
• roboconf-instances: Roboconf Instances (filenames *.instances)
• robotframework: RobotFramework (filenames *.txt, *.robot)
• rql: RQL (filenames *.rql)
• rsl: RSL (filenames *.rsl)
• rst, rest, restructuredtext: reStructuredText (filenames *.rst, *.rest)
• rts, trafficscript: TrafficScript (filenames *.rts)
• rust: Rust (filenames *.rs, *.rs.in)
• sass: Sass (filenames *.sass)
• sc, supercollider: SuperCollider (filenames *.sc, *.scd)
• scala: Scala (filenames *.scala)
• scaml: Scaml (filenames *.scaml)
• scheme, scm: Scheme (filenames *.scm, *.ss)
• scilab: Scilab (filenames *.sci, *.sce, *.tst)
• scss: SCSS (filenames *.scss)
• shen: Shen (filenames *.shen)
• slim: Slim (filenames *.slim)
• smali: Smali (filenames *.smali)
• smalltalk, squeak, st: Smalltalk (filenames *.st)
• smarty: Smarty (filenames *.tpl)
• sml: Standard ML (filenames *.sml, *.sig, *.fun)
• snobol: Snobol (filenames *.snobol)
• sourceslist, sources.list, debsources: Debian Sourcelist (filenames sources.list)
• sp: SourcePawn (filenames *.sp)
• sparql: SPARQL (filenames *.rq, *.sparql)
• spec: RPMSpec (filenames *.spec)
• splus, s, r: S (filenames *.S, *.R, .Rhistory, .Rprofile, .Renviron)
• sql: SQL (filenames *.sql)
• sqlite3: sqlite3con (filenames *.sqlite3-console)
• squidconf, squid.conf, squid: SquidConf (filenames squid.conf)
• ssp: Scalate Server Page (filenames *.ssp)
• stan: Stan (filenames *.stan)
• swift: Swift (filenames *.swift)
• swig: SWIG (filenames *.swg, *.i)
• systemverilog, sv: systemverilog (filenames *.sv, *.svh)
• tads3: TADS 3 (filenames *.t)
• tap: TAP (filenames *.tap)
• tcl: Tcl (filenames *.tcl, *.rvt)
• tcsh, csh: Tcsh (filenames *.tcsh, *.csh)
• tcshcon: Tcsh Session
• tea: Tea (filenames *.tea)
• termcap: Termcap (filenames termcap, termcap.src)
• terminfo: Terminfo (filenames terminfo, terminfo.src)
• terraform, tf: Terraform (filenames *.tf)
• tex, latex: TeX (filenames *.tex, *.aux, *.toc)
• text: Text only (filenames *.txt)
• thrift: Thrift (filenames *.thrift)
• todotxt: Todotxt (filenames todo.txt, *.todotxt)
• trac-wiki, moin: MoinMoin/Trac Wiki markup
• treetop: Treetop (filenames *.treetop, *.tt)
• ts, typescript: TypeScript (filenames *.ts)
• turtle: Turtle (filenames *.ttl)
• twig: Twig
• urbiscript: UrbiScript (filenames *.u)
• vala, vapi: Vala (filenames *.vala, *.vapi)
• vb.net, vbnet: VB.net (filenames *.vb, *.bas)
• vctreestatus: VCTreeStatus
• velocity: Velocity (filenames *.vm, *.fhtml)
• verilog, v: verilog (filenames *.v)
• vgl: VGL (filenames *.rpf)
• vhdl: vhdl (filenames *.vhdl, *.vhd)
• vim: VimL (filenames *.vim, .vimrc, .exrc, .gvimrc, _vimrc, _exrc, _gvimrc, vimrc, gvimrc)
• x10, xten: X10 (filenames *.x10)
• xml+cheetah, xml+spitfire: XML+Cheetah
• xml+django, xml+jinja: XML+Django/Jinja
• xml+erb, xml+ruby: XML+Ruby
• xml+evoque: XML+Evoque (filenames *.xml)
• xml+lasso: XML+Lasso
• xml+mako: XML+Mako
• xml+mako: XML+Mako
• xml+myghty: XML+Myghty
• xml+php: XML+PHP
• xml+smarty: XML+Smarty
• xml+velocity: XML+Velocity
• xml: XML (filenames *.xml, *.xsl, *.rss, *.xslt, *.xsd, *.wsdl, *.wsf)
• xquery, xqy, xq, xql, xqm: XQuery (filenames *.xqy, *.xquery, *.xq, *.xql, *.xqm)
• xslt: XSLT (filenames *.xsl, *.xslt, *.xpl)
• xtend: Xtend (filenames *.xtend)
• xul+mozpreproc: XUL+mozpreproc (filenames *.xul.in)
• yaml+jinja, salt, sls: YAML+Jinja (filenames *.sls)
• yaml: YAML (filenames *.yaml, *.yml)
• zephir: Zephir (filenames *.zep)

Answer 3

Our Source Code Formatter family covers a broad range of languages. They are based on accurate (specific to dialect) source language parsing to ASTs and regeneration of code from the ASTs. This kind of reformatting never breaks the reformatted code with respect to compilability or functionality. (There are string-hacking formatters that can break your code; these look great until you find yourself debugging formatted code that used to work).

The reformatting handles "left-aligned Java with badly placed { }" (and the analogs for other languages) as suggested as a reasonable requirement in a commment to one of the other answers.

They are necessarily built as separate entities because

• there's a lot of them, and this make maintenance by our team practical
• the languages they process evolve at different rates
• they require different parsing capabilities (e.g. C and C++ require some unusual support to handle preprocessor directives, COBOL has area constraints, Python uses funny indentation, ...)

How this addresses OP's "requirements":

• Cover many languages (All of OP's specific list excluding ProtoBuf, maybe someday)
• Must install them separately; however, they all have consistent styles and interfaces, so it is not the same experience as installing N different formatters from N different providers, each with its own installation/configuration/command line variations.
• They are run in a consistent way and they are scriptable. Operator can format from a file to another, or from a file to standard out, or one can format a large set of files at once.
• Operates on Windows natively and on Linux under Wine. In the latter cause, the launch scripts are sh commands and the presence of Wine is not noticed by the caller
• Closed source (if acquired as Formatters; one can obtain the source of each formatter by acquiring our general program transformation product)
• Not requested but extremely useful: these formatters understand a wide variety of character encodings, and can even switch from the read-encoding to a different encoding as printed.

Since these formatters are my company's products, don't take my response here as a recommendation. I'm simply documenting their existence.