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Diffstat (limited to 'lib/dialyzer/doc/manual.txt')
| -rw-r--r-- | lib/dialyzer/doc/manual.txt | 82 |
1 files changed, 53 insertions, 29 deletions
diff --git a/lib/dialyzer/doc/manual.txt b/lib/dialyzer/doc/manual.txt index f1faed3c79..dac61b74b1 100644 --- a/lib/dialyzer/doc/manual.txt +++ b/lib/dialyzer/doc/manual.txt @@ -2,8 +2,6 @@ ## File: doc/manual.txt ## Author(s): Tobias Lindahl <[email protected]> ## Kostis Sagonas <[email protected]> -## -## $Id$ ##---------------------------------------------------------------------------- The DIALYZER, a DIscrepany AnaLYZer for ERlang programs. @@ -126,22 +124,29 @@ The exit status of the command line version is: Usage: dialyzer [--help] [--version] [--shell] [--quiet] [--verbose] [-pa dir]* [--plt plt] [-Ddefine]* [-I include_dir]* - [--output_plt file] [-Wwarn]* [--src] - [-c applications] [-r applications] [-o outfile] - [--build_plt] [--add_to_plt] [--remove_from_plt] [--check_plt] - [--plt_info] [--get_warnings] + [--output_plt file] [-Wwarn]* [--src] [--gui | --wx] + [files_or_dirs] [-r dirs] [--apps applications] [-o outfile] + [--build_plt] [--add_to_plt] [--remove_from_plt] + [--check_plt] [--no_check_plt] [--plt_info] [--get_warnings] + [--no_native] Options: - -c applications (or --command-line applications) - Use Dialyzer from the command line (no GUI) to detect defects in the - specified applications (directories or .erl or .beam files) - -r applications - Same as -c only that directories are searched recursively for - subdirectories containing .erl or .beam files (depending on the - type of analysis) - -o outfile (or --output outfile) - When using Dialyzer from the command line, send the analysis - results in the specified \"outfile\" rather than in stdout + files_or_dirs (for backwards compatibility also as: -c files_or_dirs) + Use Dialyzer from the command line to detect defects in the + specified files or directories containing .erl or .beam files, + depending on the type of the analysis + -r dirs + Same as the previous but the specified directories are searched + recursively for subdirectories containing .erl or .beam files in + them, depending on the type of analysis + --apps applications + Option typically used when building or modifying PLT as in: + dialyzer --build_plt --apps erts kernel stdlib mnesia ... + to conveniently refer to library applications corresponding to the + Erlang/OTP installation. However, the option is general and can also + be used during analysis in order to refer to Erlang/OTP applications. + In addition, file or directory names can also be included, as in: + dialyzer --apps inets ssl ./ebin ../other_lib/ebin/my_module.beam --raw When using Dialyzer from the command line, output the raw analysis results (Erlang terms) instead of the formatted result. @@ -154,14 +159,14 @@ Options: When analyzing from source, pass the define to Dialyzer (**) -I include_dir When analyzing from source, pass the include_dir to Dialyzer (**) + -pa dir + Include dir in the path for Erlang (useful when analyzing files + that have '-include_lib()' directives) --output_plt file Store the plt at the specified file after building it --plt plt Use the specified plt as the initial plt (if the plt was built during setup the files will be checked for consistency) - -pa dir - Include dir in the path for Erlang (useful when analyzing files - that have '-include_lib()' directives) -Wwarn A family of options which selectively turn on/off warnings (for help on the names of warnings use dialyzer -Whelp) @@ -200,6 +205,19 @@ Options: --get_warnings Makes Dialyzer emit warnings even when manipulating the plt. Only emits warnings for files that are actually analyzed. + --dump_callgraph file + Dump the call graph into the specified file whose format is determined + by the file name extension. Supported extensions are: raw, dot, and ps. + If something else is used as file name extension, default format '.raw' + will be used. + --no_native (or -nn) + Bypass the native code compilation of some key files that dialyzer + heuristically performs when dialyzing many files; this avoids the + compilation time but it may result in (much) longer analysis time. + --gui + Use the gs-based GUI. + --wx + Use the wx-based GUI. Note: * denotes that multiple occurrences of these options are possible. @@ -221,14 +239,22 @@ Warning options: Include warnings for function calls which ignore the return value(s). -Werror_handling *** Include warnings for functions that only return by means of an exception. + -Wrace_conditions *** + Include warnings for possible race conditions. + -Wbehaviours *** + Include warnings about behaviour callbacks which drift from the published + recommended interfaces. -Wunderspecs *** Warn about underspecified functions - (the -spec is strictly more allowing than the success typing) + (those whose -spec is strictly more allowing than the success typing). + +The following options are also available but their use is not recommended: +(they are mostly for Dialyzer developers and internal debugging) -Woverspecs *** Warn about overspecified functions - (the -spec is strictly less allowing than the success typing) + (those whose -spec is strictly less allowing than the success typing). -Wspecdiffs *** - Warn when the -spec is different than the success typing + Warn when the -spec is different than the success typing. Note: *** These are options that turn on warnings rather than turning them off. @@ -307,9 +333,7 @@ are using frequently. The PLT is built using the --build_plt option to dialyzer. The following command builds the recommended minimal PLT for OTP. -dialyzer --build_plt -r $ERL_TOP/lib/stdlib/ebin\ - $ERL_TOP/lib/kernel/ebin\ - $ERL_TOP/lib/mnesia/ebin + dialyzer --build_plt --apps erts kernel stdlib mnesia Dialyzer will look if there is an environment variable called $DIALYZER_PLT and place the PLT at this location. If no such variable @@ -321,22 +345,22 @@ You can also add information to an existing plt using the --add_to_plt option. Suppose you want to also include the compiler in the PLT and place it in a new PLT, then give the command -dialyzer --add_to_plt -r $ERL_TOP/lib/compiler/ebin --output_plt my.plt + dialyzer --add_to_plt --apps compiler --output_plt my.plt Then you would like to add your favorite application my_app to the new plt. -dialyzer --add_to_plt --plt my.plt -r <path>/my_app/ebin + dialyzer --add_to_plt --plt my.plt -r <path>/my_app/ebin But you realize that it is unnecessary to have compiler in this one. -dialyzer --remove_from_plt --plt my.plt -r $ERL_TOP/lib/compiler/ebin + dialyzer --remove_from_plt --plt my.plt ---apps compiler Later, when you have fixed a bug in your application my_app, you want to update the plt so that it will be fresh the next time you run Dialyzer, run the command -dialyzer --check_plt --plt my.plt + dialyzer --check_plt --plt my.plt Dialyzer will then reanalyze the files that have been changed, and the files that depend on these files. Note that this consistency check |