OCAMLLEX(1) General Commands Manual OCAMLLEX(1)NAME
ocamllex - The Objective Caml lexer generator
SYNOPSIS
ocamllex [ -o output-file ] [ -ml ] filename.mll
DESCRIPTION
The ocamllex(1) command generates Objective Caml lexers from a set of regular expressions with associated semantic actions, in the style of
lex(1).
Running ocamllex(1) on the input file lexer.mll produces Caml code for a lexical analyzer in file lexer.ml.
This file defines one lexing function per entry point in the lexer definition. These functions have the same names as the entry points.
Lexing functions take as argument a lexer buffer, and return the semantic attribute of the corresponding entry point.
Lexer buffers are an abstract data type implemented in the standard library module Lexing. The functions Lexing.from_channel, Lex-
ing.from_string and Lexing.from_function create lexer buffers that read from an input channel, a character string, or any reading function,
respectively.
When used in conjunction with a parser generated by ocamlyacc(1), the semantic actions compute a value belonging to the type token defined
by the generated parsing module.
OPTIONS
The ocamllex(1) command recognizes the following options:
-ml Output code that does not use OCaml's built-in automata interpreter. Instead, the automaton is encoded by Caml functions. This
option is mainly useful for debugging ocamllex(1), using it for production lexers is not recommended.
-o output-file
Specify the name of the output file produced by ocamllex(1). The default is the input file name, with its extension replaced by
.ml.
-q Quiet mode. ocamllex(1) normally outputs informational messages to standard output. They are suppressed if option -q is used.
-v or -version
Print version string and exit.
-vnum Print short version number and exit.
-help or --help
Display a short usage summary and exit.
SEE ALSO ocamlyacc(1).
The Objective Caml user's manual, chapter "Lexer and parser generators".
OCAMLLEX(1)
Check Out this Related Man Page
OCAMLBUILD(1) General Commands Manual OCAMLBUILD(1)NAME
ocamlbuild - The Objective Caml project compilation tool
SYNOPSIS
ocamlbuild [ -Is dir1,... ] [ -libs lib1,... ] [ -lflags flag1,... ] [ -pp flags ] [ -tags tag1,... ] [ -j parallel-jobs ] tar-
get.native [ -- arg1 arg2 ... ]
(same options)
DESCRIPTION ocamlbuild(1) orchestrates the compilation process of your OCaml project. It is similar in function to make(1) except that it is tailor-
made to automatically compile most OCaml projects with very little user input.
ocamlbuild should be invoked in the root of a clean project tree (e.g., with no leftover compilation files). Given one or more targets to
compile, it scans the required subdirectories to gather information about the various files present, running tools such as ocamldep(1) to
extract dependency information, and gathering optional files that fine-tune its behaviour. Target names are very significant.
TARGET NAMES
ocamlbuild uses a set of target naming conventions to select the kind of objects to produce. Target names are of the form base.extension
where base is usually the name of the underlying Ocaml module and extension denotes the kind of object to produce from that file -- a byte
code executable, a native executable, documentation... Of course extensions such as .cmo, .cma, .cmi... map to their usual counterparts.
Here is a list of the most important ocamlbuild-specific extensions:
.native Native code executable
.byte Byte code executable
.inferred.mli Interface inferred with ocamlc-i
.docdir/index.html HTML documentation generated with ocamldoc
OPTIONS
The following command-line options are recognized by ocamlbuild(1).
-version
Display the version
-quiet Make as quiet as possible
-verbose <level>
Set the verbose level
-documentation
Show rules and flags
-log <file>
Set log file
-no-log
No log file
-clean Remove build directory and other files, then exit
-I <path>
Add to include directories
-Is <path,...>
(same as above, but accepts a comma-separated list)
-X <path>
Directory to ignore
-Xs <path,...>
(idem)
-lib <flag>
Link to this ocaml library
-libs <flag,...>
(idem)
-lflag <flag>
Add to ocamlc link flags
-lflags <flag,...>
(idem)
-cflag <flag>
Add to ocamlc compile flags
-cflags <flag,...>
(idem)
-yaccflag <flag>
Add to ocamlyacc flags
-yaccflags <flag,...>
(idem)
-lexflag <flag>
Add to ocamllex flags
-lexflags <flag,...>
(idem)
-ppflag <flag>
Add to ocaml preprocessing flags
-pp <flag,...>
(idem)
-tag <tag>
Add to default tags
-tags <tag,...>
(idem)
-ignore <module,...>
Don't try to build these modules
-no-links
Don't make links of produced final targets
-no-skip
Don't skip modules that are requested by ocamldep but cannot be built
-no-hygiene
Don't apply sanity-check rules
-no-plugin
Don't build myocamlbuild.ml
-no-stdlib
Don't ignore stdlib modules
-just-plugin
Just build myocamlbuild.ml
-byte-plugin
Don't use a native plugin but bytecode
-no-sanitize
Do not enforce sanity-check rules
-nothing-should-be-rebuilt
Fail if something needs to be rebuilt
-classic-display
Display executed commands the old-fashioned way
-j <N> Allow N jobs at once (0 for unlimited)
-build-dir <path>
Set build directory
-install-dir <path>
Set the install directory
-where Display the install directory
-ocamlc <command>
Set the OCaml bytecode compiler
-ocamlopt <command>
Set the OCaml native compiler
-ocamldep <command>
Set the OCaml dependency tool
-ocamlyacc <command>
Set the ocamlyacc tool
-ocamllex <command>
Set the ocamllex tool
-ocamlrun <command>
Set the ocamlrun tool
-- Stop argument processing, remaining arguments are given to the user program
-help Display the list of options
--help Display the list of options
SEE ALSO
The ocamlbuild manual, ocaml(1), make(1).
The Objective Caml user's manual, chapter Batch compilation .
OCAMLBUILD(1)