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Author:admin

Browse Source 
Date:2014-06-04T21:36:00.000000Z


git-svn-id: https://svn.eiffel.com/eiffel-org/trunk@1375 abb3cda0-5349-4a8f-a601-0c33ac3a8c38
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jfiat
2014-06-04 21:36:00 +00:00
parent 560403716a
commit d42e808ca1
4 changed files with 96 additions and 84 deletions
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158
documentation/current/eiffelstudio/eiffelstudio-reference/compiler/differences-between-standard-ecma-367-and-eiffel-software-implementation.wiki
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@@ -4,11 +4,11 @@
==Kernel classes==
{| class="doctable"
|-
| <center>'''Feature'''</center>
| <center>'''Example'''</center>
| <center>'''ETL2'''</center>
| <center>'''ECMA-367'''</center>
| <center>'''EiffelStudio'''</center>
! <center>'''Feature'''</center>
! <center>'''Example'''</center>
! <center>'''ETL2'''</center>
! <center>'''ECMA-367'''</center>
! <center>'''EiffelStudio'''</center>
|-
| Fictitious class for tuples
| <eiffel>TUPLE</eiffel>
@@ -18,13 +18,13 @@
|}
==Features==
{|
{| class="doctable"
|-
| <center>'''Feature'''</center>
| <center>'''Example'''</center>
| <center>'''ETL2'''</center>
| <center>'''ECMA-367'''</center>
| <center>'''EiffelStudio'''</center>
! <center>'''Feature'''</center>
! <center>'''Example'''</center>
! <center>'''ETL2'''</center>
! <center>'''ECMA-367'''</center>
! <center>'''EiffelStudio'''</center>
|-
| Prefix and infix feature names
| <code>infix "+"</code>
@@ -36,7 +36,8 @@
| <code>add alias "+"</code>
| No
| Yes
| Yes, except for new rules for free operator names
| Yes, except for new rules
for free operator names
|-
| Assigner command
| <code>item alias "[]" (index: INTEGER): G assign put</code>
@@ -46,13 +47,13 @@
|}
==Design by Contract==
{|
{| class="doctable"
|-
| <center>'''Feature'''</center>
| <center>'''Example'''</center>
| <center>'''ETL2'''</center>
| <center>'''ECMA-367'''</center>
| <center>'''EiffelStudio'''</center>
! <center>'''Feature'''</center>
! <center>'''Example'''</center>
! <center>'''ETL2'''</center>
! <center>'''ECMA-367'''</center>
! <center>'''EiffelStudio'''</center>
|-
| Only postcondition clauses
| <eiffel>ensure only a, b</eiffel>
@@ -62,13 +63,13 @@
|}
==Genericity==
{|
{| class="doctable"
|-
| <center>'''Feature'''</center>
| <center>'''Example'''</center>
| <center>'''ETL2'''</center>
| <center>'''ECMA-367'''</center>
| <center>'''EiffelStudio'''</center>
! <center>'''Feature'''</center>
! <center>'''Example'''</center>
! <center>'''ETL2'''</center>
! <center>'''ECMA-367'''</center>
! <center>'''EiffelStudio'''</center>
|-
| Mutually recursive constraints
| <code>A [H, G -> H]</code><br/>
@@ -93,15 +94,16 @@
|}
==Creating objects==
{|
{| class="doctable"
|-
| <center>'''Feature'''</center>
| <center>'''Example'''</center>
| <center>'''ETL2'''</center>
| <center>'''ECMA-367'''</center>
| <center>'''EiffelStudio'''</center>
! <center>'''Feature'''</center>
! <center>'''Example'''</center>
! <center>'''ETL2'''</center>
! <center>'''ECMA-367'''</center>
! <center>'''EiffelStudio'''</center>
|-
| Implicit creation procedure (version of <code>ANY.default_create</code>)
| Implicit creation procedure (version of
<code>ANY.default_create</code>)
| <code>class A feature ... end</code><br/>
<code>-- The following instructions are equivalent:</code><br/>
<code>create {A} a</code><br/>
@@ -142,19 +144,25 @@
|}
==Attachment==
{|
{| class="doctable"
|-
| <center>'''Feature'''</center>
| <center>'''Example'''</center>
| <center>'''ETL2'''</center>
| <center>'''ECMA-367'''</center>
| <center>'''EiffelStudio'''</center>
! <center>'''Feature'''</center>
! <center>'''Example'''</center>
! <center>'''ETL2'''</center>
! <center>'''ECMA-367'''</center>
! <center>'''EiffelStudio'''</center>
|-
| Preserving expandedness status when attaching expanded object to reference entity
| Preserving expandedness status
when attaching expanded object
to reference entity
| <code>x</code> <code>:=</code> <code>y</code>
| No, object is copied to new object of the corresponding reference type
| No, object is copied to new
object of the corresponding
reference type
| Yes
| Yes, except for TYPED_POINTER that is converted to POINTER before reattachment
| Yes, except for TYPED_POINTER
that is converted to POINTER before
reattachment
|-
| Reverse assignment (assignment attempt)
| <code>x</code> <code>?=</code> <code>y</code>
@@ -164,13 +172,13 @@
|}
==Feature calls==
{|
{| class="doctable"
|-
| <center>'''Feature'''</center>
| <center>'''Example'''</center>
| <center>'''ETL2'''</center>
| <center>'''ECMA-367'''</center>
| <center>'''EiffelStudio'''</center>
! <center>'''Feature'''</center>
! <center>'''Example'''</center>
! <center>'''ETL2'''</center>
! <center>'''ECMA-367'''</center>
! <center>'''EiffelStudio'''</center>
|-
| Precursor call
| <code>Precursor</code>
@@ -198,13 +206,13 @@
|}
==Void-safety==
{|
{| class="doctable"
|-
| <center>'''Feature'''</center>
| <center>'''Example'''</center>
| <center>'''ETL2'''</center>
| <center>'''ECMA-367'''</center>
| <center>'''EiffelStudio'''</center>
! <center>'''Feature'''</center>
! <center>'''Example'''</center>
! <center>'''ETL2'''</center>
! <center>'''ECMA-367'''</center>
! <center>'''EiffelStudio'''</center>
|-
| Attachment marks
| <code>a: attached ANY</code> <br/>
@@ -234,13 +242,13 @@
|}
==[[Concurrent Eiffel with SCOOP|SCOOP]]==
{|
{| class="doctable"
|-
| <center>'''Feature'''</center>
| width="160pt"| <center>'''Example'''</center>
| <center>'''ETL2'''</center>
| <center>'''ECMA-367'''</center>
| <center>'''EiffelStudio'''</center>
! <center>'''Feature'''</center>
! width="160pt"| <center>'''Example'''</center>
! <center>'''ETL2'''</center>
! <center>'''ECMA-367'''</center>
! <center>'''EiffelStudio'''</center>
|-
| Separate declaration
| <code> a: separate ANY </code>
@@ -250,13 +258,13 @@
|}
==Expressions==
{|
{| class="doctable"
|-
| <center>'''Feature'''</center>
| <center>'''Example'''</center>
| <center>'''ETL2'''</center>
| <center>'''ECMA-367'''</center>
| <center>'''EiffelStudio'''</center>
! <center>'''Feature'''</center>
! <center>'''Example'''</center>
! <center>'''ETL2'''</center>
! <center>'''ECMA-367'''</center>
! <center>'''EiffelStudio'''</center>
|-
| Bracket expression
| <code>y := x [i]</code>
@@ -296,13 +304,13 @@
|}
==Constants==
{|
{| class="doctable"
|-
| <center>'''Feature'''</center>
| <center>'''Example'''</center>
| <center>'''ETL2'''</center>
| <center>'''ECMA-367'''</center>
| <center>'''EiffelStudio'''</center>
! <center>'''Feature'''</center>
! <center>'''Example'''</center>
! <center>'''ETL2'''</center>
! <center>'''ECMA-367'''</center>
! <center>'''EiffelStudio'''</center>
|-
| Verbatim string
|
@@ -337,12 +345,12 @@ y := "{
|}
==Interfacing with external software==
{|
{| class="doctable"
|-
| <center>'''Feature'''</center>
| <center>'''ETL2'''</center>
| <center>'''ECMA-367'''</center>
| <center>'''EiffelStudio'''</center>
! <center>'''Feature'''</center>
! <center>'''ETL2'''</center>
! <center>'''ECMA-367'''</center>
! <center>'''EiffelStudio'''</center>
|-
| Access to software written in C
| Basic syntax for any external software

7
documentation/current/eiffelstudio/eiffelstudio-reference/eiffel-inspector/eiffel-inspector-rules/ca001-self-assignment.wiki
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@@ -3,7 +3,9 @@
[[Property:weight|0]]
[[Property:uuid|d98b7fb8-37a1-05b3-a58f-baacefd5dce6]]
__NOTOC__
:{|
=Description=
Assigning a variable to itself is a meaningless instruction due to a typing error. Most probably, one of the two variable names was misspelled. One example among many others: the programmer wanted to assign a local variable to a class attribute and used one of the variable names twice.
:{| class="doctable"
|-
| '''Scope'''
| Instruction
@@ -21,9 +23,6 @@ __NOTOC__
| 70
|}
=Description=
Assigning a variable to itself is a meaningless instruction due to a typing error. Most probably, one of the two variable names was misspelled. One example among many others: the programmer wanted to assign a local variable to a class attribute and used one of the variable names twice.
=Example=
<e>a := a
</e>

10
documentation/current/eiffelstudio/eiffelstudio-reference/eiffel-inspector/eiffel-inspector-rules/ca071-self-comparison.wiki
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@@ -3,7 +3,12 @@
[[Property:weight|0]]
[[Property:uuid|02a649b3-0e4e-6fdf-388d-c411a06fc787]]
__NOTOC__
:{| class="wikitable"
=Description=
An expression comparing a variable to itself always evaluates to the same boolean value. The comparison is thus redundant. In an Until expression it may lead to non-termination. Usually it is a typing error.
:{| class="doctable"
|-
! Property
! Value
|-
| '''Scope'''
| Instruction
@@ -21,9 +26,6 @@ __NOTOC__
| 70
|}
=Description=
An expression comparing a variable to itself always evaluates to the same boolean value. The comparison is thus redundant. In an Until expression it may lead to non-termination. Usually it is a typing error.
=Example=
<e>if a >= a then
...

5
documentation/current/eiffelstudio/eiffelstudio-reference/eiffel-inspector/eiffel-inspector-rules/index.wiki
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@@ -2,5 +2,8 @@
[[Property:link_title|Rules]]
[[Property:weight|15]]
[[Property:uuid|109ca62a-212d-8a85-eea8-ddf0f89177a1]]
For each rules, you will find an English description of the purpose of the rule, followed by a table providing the following information:
* scope:
* status: Enabled/Disabled by default
*