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Invoking Dialyzer through the function dialyzer:run/1 instead of from
the command line activates "Erlang mode", meaning that warnings are
returned instead of printed, and that HiPE compilation of modules does
not take place. With this change, HiPE compilation can optionally be
enabled in this situation by passing the option {native, true}.
Caching of natively compiled modules is enabled by default, but can be
turned off using the option {native_cache, false}.
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By default Dialyzer tries to improve the readability of warnings.
Newlines are inserted before and inside types, signatures, and Erlang
code. Sometimes the newlines look misplaced. The raw format
(option --raw) is not affected.
Use the new --no_indentation option get the old behavior (no inserted
line breaks).
A note on the implementation. The types &c present in the warning
tuples are parsed, and then formatted using erl_pp, the Erlang Pretty
Printer. The alternative, to create message tuples with formatted
types, turned out to more complicated, and has no real benefits.
Also notice that the fixes for binaries (commit 9db8a098) and union
elements (commit a1e51d12) are required. As a consequence, messages
created before these commits using the --raw option cannot always be
indented.
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Record field types have been modified due to commit 8ce35b2:
"Take out automatic insertion of 'undefined' from typed record fields".
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The -dialyzer() attribute can be used for suppressing warnings in a
module by specifying functions or warning options. It can also be used
for requesting warnings in a module.
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The warnings about unknown types and functions are now returned
when calling Dialyzer from Erlang, in particular from an escript.
When calling Dialyzer from the command line the warnings about unknown
types and functions are output last as before; and when using the GUI
the warnings are displayed in a pop-up window, as before.
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The original implementation of the type signature solver is called 'v1'
and the newly introduced alternative implementation is called 'v2'.
It is possible to run just the one of the solvers (in case there is a
bug in for instance the v2 implementation) or both solvers
("--solver v1 --solver v2"). In the latter case an error is thrown if
the outcome differ.
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Enable warnings by default, add two options for suppressing them,
fix warning formatting and update testsuites.
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Applies to the specification of the return value of a function.
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This change adds a --fullpath option to Dialyzer, which makes the
warning messages contain the full path of the corresponding file.
Original patch submitted by Magnus Henoch (legoscia) on 15/9/2010
and cooked to death in the 'pu' branch all this time.
The patch was essentially correct and most of it has been used as
is, but there have been some changes to make the code slightly
prettier, avoid some code duplication, and add documentation to
dialyzer's doc files and to its help message.
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This new feature is able to take multiple PLTs, merge them during the
start of the analysis, and work from there. This works provided that
the PLTs do not have a module with the same name appearing in more
than one PLT.
The PLTs are created in the usual way:
dialyzer --build_plt --output_plt PLT_1 FILES_TO_INCLUDE
...
dialyzer --build_plt --output_plt PLT_N FILES_TO_INCLUDE
and then can be used in either of the following ways:
dialyzer FILES_TO_ANALYZE --plts PLT_1 ... PLT_N
or:
dialyzer --plts PLT_1 ... PLT_N -- FILES_TO_ANALYZE
(Note the -- delimiter in the second case)
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* ks/hipe:
dialyzer: Fix system_limit exception in race analysis
syntax_tools: Add types and specs for most exported functions
syntax_tools: Support the --enable-native-libs configure option
syntax_tools: Remove $Id$ annotations
dialyzer: New version for the R13B04 release
hipe: Miscellaneous additions
typer: New version for the R13B04 release
Fix a HiPE compiler bug evaluating an expression that throws system_limit
OTP-8460 ks/hipe
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