From c9b217dc1d455ed9f0a36c3a977c392bb9d49ae7 Mon Sep 17 00:00:00 2001 From: eiffel-org Date: Wed, 1 Jun 2016 10:06:53 +0000 Subject: [PATCH] Update wikipage Major changes between ISE Eiffel 15.12 and ISE Eiffel 16.05. (Signed-off-by:alexk). git-svn-id: https://svn.eiffel.com/eiffel-org/trunk@1579 abb3cda0-5349-4a8f-a601-0c33ac3a8c38 --- ...ISE-Eiffel-15.12-and-ISE-Eiffel-16.05.wiki | 58 +++++++++++-------- 1 file changed, 34 insertions(+), 24 deletions(-) diff --git a/documentation/trunk/eiffelstudio/eiffelstudio-reference/compiler/compiler-history/Major-changes-between-ISE-Eiffel-15.12-and-ISE-Eiffel-16.05.wiki b/documentation/trunk/eiffelstudio/eiffelstudio-reference/compiler/compiler-history/Major-changes-between-ISE-Eiffel-15.12-and-ISE-Eiffel-16.05.wiki index a98ea212..b27f6eca 100644 --- a/documentation/trunk/eiffelstudio/eiffelstudio-reference/compiler/compiler-history/Major-changes-between-ISE-Eiffel-15.12-and-ISE-Eiffel-16.05.wiki +++ b/documentation/trunk/eiffelstudio/eiffelstudio-reference/compiler/compiler-history/Major-changes-between-ISE-Eiffel-15.12-and-ISE-Eiffel-16.05.wiki @@ -56,22 +56,32 @@ The change does not allow previously void-unsafe code to be treated as void-safe ==Improvements== * Improve reporting for errors in regular expressions used in include and exclude file rules in ECF by adding position information and providing error description all the time. -* Improve performance of code using across iterator.
Breaking change causes you to the need of add a redefinition of index_set to have code compatible with both 15.12 and 16.05. -* Optimized code generation for iteration instruction calls to after and forth by rechecking the code with the actual type of a cursor variable. -* Added lower and upper to READABLE_INDEXABLE to be used instead of index_set by iteration cursor. -* Marked {READABLE_INDEXABLE}.index_set as obsolete in favor of lower and upper to avoid object creation, especially when implementing external cursors for iterative forms of a loop. -* Provided implementation of index_set in READABLE_INDEXABLE so that it can be removed in descendants. -* Made lower_defined and upper_defined in INTEGER_INTERVAL always True because this was the case for all created objects and clients almost never checked if boundaries were defined. -* Provided specialized versions of iteration cursors for SPECIAL, ARRAY, ARRAYED_LIST, READABLE_STRING_8, READABLE_STRING_32 to improve performance of across loops for these containers. +* Improve performance of code using across iterator. Breaking change: custom descendants of READABLE_INDEXABLE may need to be updated in one of the following ways: +*# By removing index_set, if no backward compatibility with earlier versions of EiffelStudio is required +*# By adding an explicit redeclaration clause for index_set, if backward compatibility with [[Release notes for EiffelStudio 15.12|EiffelStudio 15.12]] is required: + + inherit + READABLE_INDEXABLE + redefine + index_set + end + +The specific changes in the compiler and cursor classes include: +** Optimized code generation for iteration instruction calls to after and forth by rechecking the code with the actual type of a cursor variable. +** Added lower and upper to READABLE_INDEXABLE to be used instead of index_set by iteration cursor. +** Marked {READABLE_INDEXABLE}.index_set as obsolete in favor of lower and upper to avoid object creation, especially when implementing external cursors for iterative forms of a loop. +** Provided implementation of index_set in READABLE_INDEXABLE so that it can be removed in descendants. +** Made lower_defined and upper_defined in INTEGER_INTERVAL always True because this was the case for all created objects and clients almost never checked if boundaries were defined. +** Provided specialized versions of iteration cursors for SPECIAL, ARRAY, ARRAYED_LIST, READABLE_STRING_8, READABLE_STRING_32 to improve performance of across loops for these containers. ==Changes== * Change code analysis command-line arguments to report errors immediately instead of trying to run code analysis and improve error reporting by providing more details (such as option name, rule name, kind of syntax error). * Add support of position-independent code analysis options (still retaining old code analysis options) that act like regular EiffelStudio command-line options: -** -ca_default -** -ca_setting preference_file_name -** -ca_class (-all|class_name) -** -ca_rule rule_name_with_optional_setting +** -ca_default +** -ca_setting ''preference_file_name'' +** -ca_class ( -all | ''class_name'' ) +** -ca_rule ''rule_name_with_optional_setting'' * Add a more efficient way to perform access on void target in non-void-safe mode by making the check only once for side-effect free entities. * Avoid checks for voidness for object test locals because they are always attached. @@ -84,22 +94,22 @@ The change does not allow previously void-unsafe code to be treated as void-safe * Fix invalid type checking error when using a manifest array in an across loop when some special crafted code appears before (see eweasel test#valid288) as in: -failure - local - i: INTEGER - do - -- Comment out next line to fix the bug. - bar (Void).make_from_array (Void) - across - <<1, 2, 3>> as c_i - loop - i := c_i.item -- Error here. - end - end + failure + local + i: INTEGER + do + -- Comment out next line to fix the bug. + bar (Void).make_from_array (Void) + across + <<1, 2, 3>> as c_i + loop + i := c_i.item -- Error here. + end + end * Fix .NET code generation to generate verifiable code when converting a manifest integer constant compatible with a NATURAL_64 (see eweasel test#dotnet118) -* Fix invalid .NET code generation when you inherit from a .NET class where one of the following routines is frozen: Equals, Finalize, ToString and/or GetHashCode (see eweasel test#dotnet119) +* Fix invalid .NET code generation when you inherit from a .NET class where one of the following routines is frozen: Equals, Finalize, ToString and/or GetHashCode (see eweasel test#dotnet119) * Fix invalid inlining of routine involving an object test local, an iteration cursor or a separate instruction local (see bug#18028, test#final114, test#final123, test#bench019). * Fix test#scoop077 by applying SCOOP semantics rules and checking SCOOP validity rules for iteration cursors. * Fix an issue when extracting a type ID from a string involving the separate keyword.