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2011-12-06Teach the compiler the 'no_dead' optionBjörn Gustavsson
To facilitate debugging of compiler bugs, teach the compiler the 'no_dead' option. Since the beam_dead pass used to do the necessary splitting of basic blocks to expose all labels, we must move that splitting into a separate pass that is always run.
2011-11-28Merge branch 'bjorn/compiler/options/OTP-9752'Björn Gustavsson
* bjorn/compiler/options/OTP-9752: filename documentation: Recommend against using filename:find_src/1,2 Teach filename:find_src/1,2 to handle slim or stripped BEAM files filename: Eliminate failing call to Mod:module_info(source_file) filename.erl:filter_options/1: Remove handling of dead options compiler: Don't include {cwd,_} in module_info(compile) compiler: Don't include source code options in module_info(compile) hipe: Teach hipe to handle slim or stripped BEAM files
2011-11-24compiler: Don't include {cwd,_} in module_info(compile)Björn Gustavsson
The {cwd,Dir} option is always included if the module has been compiled by erlc. Since its presence cannot be relied upon and it wastes memory, get rid of it.
2011-11-24compiler: Don't include source code options in module_info(compile)Björn Gustavsson
As far as I know, the purpose of the compiler options included in Mod:module_info(compile) has never been documented. An educated guess is that they are there in case you want to re-compile the module with the same options, and also to aid in debugging when you need to know how a module was compiled. In neither case is there any need to include options given in the source itself in options included in Mod:module_info(compile). Including those options will only waste memory. Therefore, only include in the BEAM file the options that were given to compile:file/2.
2011-11-24Teach the compiler the 'r14' optionBjörn Gustavsson
2011-10-07Add '-callback' attribute to language syntaxStavros Aronis
Behaviours may define specs for their callbacks using the familiar spec syntax, replacing the '-spec' keyword with '-callback'. Simple lint checks are performed to ensure that no callbacks are defined twice and all types referred are declared. These attributes can be then used by tools to provide documentation to the behaviour or find discrepancies in the callback definitions in the callback module.
2011-09-13Merge branch 'dev' into majorHenrik Nord
Conflicts: lib/asn1/doc/src/asn1ct.xml
2011-09-08compile: optimize werror/1Tuncer Ayaz
2011-09-08compile: log warnings as errors if -Werror is enabledTuncer Ayaz
2011-09-08Do not write beam file if Werr and warnings /= []Tuncer Ayaz
2011-08-18compiler: Add no_line_info for suppressing line/1 instructionsBjörn Gustavsson
Also update the r12 and r13 options so that they imply no_line_info.
2011-08-16compiler: Don't create filenames starting with "./"Björn Gustavsson
In the location information tables in the run-time system, source filenames that are the same as the module name plus ".erl" extension are not stored explicitly, thus saving memory. To take advantage of that optimization, avoid complicating the names of files in the current working directory; specifically, make sure that "./" is not prepended to the name.
2011-02-24Merge branch 'bjorn/compiler/refactor-source-options' into devBjörn Gustavsson
* bjorn/compiler/refactor-source-options: compile: Refactor handling of source options (e.g. 'from_core')
2011-02-18Add dependencies Makefile generation to erlc(1) and compile(3)Jean-Sébastien Pédron
This is useful when a project is built with Makefiles and erlc(1) instead of EMakefiles. Tracking dependencies by hand is error-prone and it becomes painful when using external application headers like EUnit's one. A dependencies Makefile will look like this: module.beam: module.erl \ /usr/local/lib/erlang/lib/eunit-2.1.4/include/eunit.hrl \ header.hrl When included in the main Makefile, 'module' will be recompiled only when needed. GCC offers the same feature and new erlc(1) options are compatible with it. More informations at: http://wiki.github.com/dumbbell/otp/dependencies-makefile
2011-02-14compile: Refactor handling of source options (e.g. 'from_core')Björn Gustavsson
The options for compiling from Core Erlang, BEAM assembler files, and BEAM files are handled in several places, making it difficult to change or add more similar options. Refactor the option handling so that each option only need to be handled in one place.
2010-08-30Merge branch 'pan/ms_transform_warnings/OTP-6759' into devPatrik Nyblom
* pan/ms_transform_warnings/OTP-6759: Add testcases for ms_transform warning and fix scoping Add warnings for shadowed variables in ms_transform funs
2010-07-07Merge branch 'ks/cleanups' into devRaimo Niskanen
* ks/cleanups: compiler: Fix incorrect types and specs escript: Add more types to records debugger: Clean up as suggested by tidier docbuilder: Clean up as suggested by tidier Conflicts: lib/debugger/src/dbg_iload.erl lib/debugger/src/dbg_ui_trace_win.erl
2010-06-23Add warnings for shadowed variables in ms_transform funsPatrik Nyblom
Also changed compiler to allow for warnings in parse_transforms.
2010-06-07compiler: Fix incorrect types and specsKostis Sagonas
While at it, do some other minor clean-ups.
2010-06-03compiler: Add declarations for exported typesKostis Sagonas
2010-05-27Cleanup branch 'bg/compiler-cover-and-clean'Kostis Sagonas
Commit 329f737c03db51918361e127560a6f700e99028e removed some unused code, but also introduced the need for further clean-ups. Fix a spec so that its return corresponds to reality. Take out code that will never match from a function.
2010-05-20compile: Remove code that is only executed on SolarisBjörn Gustavsson
On Solaris only, the 'time' option would include the process size for the Erlang virtual machine in its output. Since few compiler developers use Solaris nowadays, remove the code.
2010-05-11Optimize selective receives in the presence of a large message queueBjörn Gustavsson
If a gen_server process has many messages in its message queue and calls another gen_server process, the selective receive in gen_server:call() will have to go through the entire message queue. Have the compiler generate the new mark_recv/1 and mark_recv/1 instructions that can avoid going through the entire message queue.
2010-03-22compiler: Don't support the no_binaries optionBjörn Gustavsson
The no_binaries option terminates the compiler with an error if any bit syntax is used in the module being compiled. (It used to be implied by the removed r11 option.)
2010-03-22compiler: Don't support the no_constant_pool optionBjörn Gustavsson
The no_constant_pool option was implied by the r11 option. It turns off the usage of the constant (literal) pool, so that BEAM instructions that use constants can be loaded in an R11 system. Since the r11 option has been removed, there is no need to retain the no_constant_pool option.
2010-03-22compiler: Don't support the r11 optionBjörn Gustavsson
The r11 option was used to generate BEAM modules that could loaded both on both R11 and R12/R13 to facilitate testing that R11 and R13 nodes could communicate with each other. Since R14 is only required to be compatible with R12 and R13 nodes, the r11 option is no longer needed.
2010-02-10compile.erl: eliminate compiler warningKostis Sagonas
2010-01-30compiler: make ignore_native_errors also handle internal hipe errorsBjörn Gustavsson
We must also catch exits, not only errors, since the hipe compilers does an exit/1 if an internal error is found.
2010-01-30Teach the compiler the no_native optionBjörn Gustavsson
Implement the 'no_native' option to disable native-code compilation. If given in a module like this: -compile(no_native). it will override a 'native' option given on the command line.
2010-01-20Merge branch 'cf/compile_warning_as_error' into ccase/r13b04_devErlang/OTP
* cf/compile_warning_as_error: Add option -Werror in erlc(1) compile: add flag warnings_as_errors to treat warnings as errors compile.erl: remove trailing whitespace OTP-8382 The -Werror option for erlc and the compiler option warnings_as_errors will cause warnings to be treated as errors. (Thanks to Christopher Faulet.)
2010-01-19compile: add flag warnings_as_errors to treat warnings as errorsChristopher Faulet
With this flag, warnings are treated as errors, like gcc flag '-Werror'.
2010-01-19compile.erl: remove trailing whitespaceBjörn Gustavsson
2009-11-20The R13B03 release.OTP_R13B03Erlang/OTP