Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Specify null safety #2605

Open
wants to merge 87 commits into
base: main
Choose a base branch
from
Open
Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
87 commits
Select commit Hold shift + click to select a range
f25b1b8
Rebasing
eernstg Oct 7, 2021
f327d71
Typos: Escaping braces meant to be code
eernstg Oct 8, 2021
ccdec22
Eliminated text about migration features, adapted the remaining text …
eernstg Oct 8, 2021
48d084f
Rebasing
eernstg Oct 13, 2021
4a6a7d4
Reorganized material on null/Null
eernstg Oct 14, 2021
edb8e00
Rebase
eernstg Oct 18, 2021
f47ecfa
Rebasing
eernstg Oct 27, 2021
9c8b340
Rebase
eernstg Nov 1, 2021
f1aabde
WIP
eernstg Nov 9, 2021
d56e499
Corrected last part of section Variables
eernstg Nov 10, 2021
b4231c6
Did expression typing, spread element, i2b
eernstg Nov 11, 2021
da76a6f
Super-bounded types, least and greatest closure
eernstg Nov 12, 2021
0c81361
Assignability, generics
eernstg Nov 12, 2021
dd3161a
Extreme types
eernstg Nov 12, 2021
1929e92
Extreme types, helper functions
eernstg Nov 15, 2021
fa29cb3
Rebase
eernstg Nov 16, 2021
ac5df20
.call insertion on nullable type; clean up BlindDefineSymbol
eernstg Nov 16, 2021
f916003
Rebase
eernstg Nov 16, 2021
c2fb903
Main
eernstg Nov 16, 2021
fb58777
Type Type
eernstg Nov 17, 2021
f5e7c69
Type Type fixes
eernstg Nov 17, 2021
b1dd91a
More typeType fixes
eernstg Nov 17, 2021
478ea9d
Constant instances (in particular: about canonical instances)
eernstg Nov 18, 2021
2a038ef
Corrected variable initialization specification ("has been stored" ra…
eernstg Nov 19, 2021
184cb88
Small adjustments to Variables
eernstg Nov 19, 2021
a42e64b
Rebase
eernstg Nov 26, 2021
182d452
Boolean conversion; type test; made true/false terminology consistent…
eernstg Nov 29, 2021
95b18c4
Constant types; type variable elimination in constants
eernstg Nov 29, 2021
d1a3456
Conditional expression; operators && and ||; `if` statements; delete …
eernstg Nov 30, 2021
6944ece
Integrate Null Promotion; put v==null rules into Type Promotion, and …
eernstg Dec 1, 2021
2e02c36
Null shorting
eernstg Dec 1, 2021
b70d094
Small fixes in section Null Shorting
eernstg Dec 1, 2021
d61c097
Revisiting all occurrences of \NULL/Null/null
eernstg Dec 2, 2021
f44054e
Did much of Standard ... Bounds
eernstg Dec 3, 2021
14dda36
Standard bounds
eernstg Dec 7, 2021
9fb20a3
Fixed the "SUB issues" section
eernstg Dec 8, 2021
6724160
Rebase
eernstg Dec 8, 2021
6dfeac0
Rebase
eernstg Dec 8, 2021
24e07fe
Rebase
eernstg Dec 8, 2021
757244b
Rebase
eernstg Dec 9, 2021
1a9ca8c
Rebase
eernstg Dec 10, 2021
8fbd86d
Clarified and corrected Canonical Syntax
eernstg Dec 10, 2021
10f37b9
Fixed subsubsection --> subsection, 2*
eernstg Dec 10, 2021
a300784
Typos
eernstg Jan 5, 2022
37a4ded
Whitespace
eernstg Jan 6, 2022
e158277
Interface type fixes
eernstg Jan 6, 2022
b9d2d9f
Sync with specify_null_safety_new_sections_dec21
eernstg Jan 7, 2022
58027e0
Mark a subtype rule as redundant, in a TODO comment
eernstg Jan 7, 2022
cebca72
Adjust no-loops-in-noSuchMethod example
eernstg Feb 7, 2022
8ac6aa2
Adjust no-loops-in-noSuchMethod example
eernstg Feb 8, 2022
dfe8bdf
Corrected function type subtype rule (bounds); corrected "math" index…
eernstg May 3, 2022
8b54a68
Adjust class building types
eernstg May 9, 2022
dd58326
Adjust examples declaring non-nullable positional optional parameters…
eernstg Jul 26, 2022
f6b28f5
Add a TODO to introduce `Any`
eernstg Nov 2, 2022
0accc67
Correct example in section about super-bounded types
eernstg Nov 3, 2022
614b2d0
Correction based on https://github.com/dart-lang/language/issues/2679
eernstg Dec 2, 2022
9205715
Specify erasure of intersection types for the semantics of await expr…
eernstg Dec 9, 2022
9ec6166
Typo
eernstg Jan 20, 2023
562d4a2
Introduce \DynamicError, marking all dynamic errors just like compile…
eernstg Feb 2, 2023
ed90a10
Changed the error margin markers to use red text
eernstg Feb 2, 2023
1fb15dd
Correct dynamic type of tear-off with covariant parameter
eernstg May 31, 2023
74153bb
Clarified tear-offs of methods with covariant parameters
eernstg May 31, 2023
1e0113b
Correct a typo about closurization
eernstg May 31, 2023
957e7f6
Correction: Add definition of normalizedType/topMergeType for member …
eernstg Jun 16, 2023
f99a62b
Correction: Update dynamic type of covariant parameter to Object?
eernstg Jun 22, 2023
8c19d6c
Typo
eernstg Jun 29, 2023
3e9f75c
Add commentary to emphasize that `new`/`const` can be implicit, and `…
eernstg Jul 5, 2023
e473361
Add missing updates in section typeVoid
eernstg Jul 6, 2023
a55fffa
Add missing error: default values must be type correct
eernstg Jul 13, 2023
fe72d34
Add a paragraph explaining that the given section is about both optio…
eernstg Jul 13, 2023
72fa396
Post-rebase error correction
eernstg Jul 21, 2023
52aa959
Correct usages of "final variable" and "constant variable"
eernstg Jul 21, 2023
97bae80
Add missing declaration kind about getter/setter type error
eernstg Sep 11, 2023
b386b7d
Remove obsolete reference to "mixin composition" from section Supercl…
eernstg Sep 29, 2023
26a3b60
Add comment about default values of noSuchMethod forwarders being und…
eernstg Sep 29, 2023
12cf116
Correct rule about the interface of T?
eernstg Jan 10, 2024
7629caa
Correct rule about interfaces of bounded types
eernstg Jan 10, 2024
fb9e317
Corrected many occurrences of "string" to "string literal"
eernstg Feb 22, 2024
fff1abd
Update the "parameter name `_...`" error
eernstg Apr 30, 2024
c28870f
Restore the index marker, define a command for it
eernstg Jun 17, 2024
509891d
Corrected the huge rebase operation (removed TODO material)
eernstg Jun 17, 2024
e2d843b
Fix obsolete ref
eernstg Aug 12, 2024
51c8300
Introduce <memberedDeclarationBody> and use it
eernstg Aug 12, 2024
9fe363e
Add change log entry
eernstg Aug 12, 2024
1ac3e80
WIP
eernstg Oct 17, 2024
3462ce6
Clarified class building types
eernstg Nov 14, 2024
beef733
Correct the order of "bind formals to actuals", which has been rather…
eernstg Nov 27, 2024
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
34 changes: 19 additions & 15 deletions specification/dart.sty
Original file line number Diff line number Diff line change
Expand Up @@ -124,11 +124,11 @@
\newenvironment{commentary}[1]{{\color{commentaryColor}\sf{#1}}}{}

% Auxiliary functions.
\newcommand{\flattenName}{\mbox{\it flatten}}
\newcommand{\flattenName}{\metavar{flatten}}
\newcommand{\flatten}[1]{\ensuremath{\flattenName({#1})}}
\newcommand{\futureOrBase}[1]{\ensuremath{\mbox{\it futureOrBase}({#1})}}
\newcommand{\overrides}[1]{\ensuremath{\mbox{\it overrides}({#1})}}
\newcommand{\inherited}[1]{\ensuremath{\mbox{\it inherited}({#1})}}
\newcommand{\futureOrBase}[1]{\ensuremath{\metavar{futureOrBase}({#1})}}
\newcommand{\overrides}[1]{\ensuremath{\metavar{overrides}({#1})}}
\newcommand{\inherited}[1]{\ensuremath{\metavar{inherited}({#1})}}

% Used as a mini-section marker, indicating visibly that a range of
% text (usually just a couple of paragraphs) are concerned with one
Expand Down Expand Up @@ -173,9 +173,12 @@
\newcommand{\id}{\metavar{id}}
\newcommand{\op}{\metavar{op}}

% Used in margin to indicate that a term is being defined here.
\newcommand{\IndexMarker}{\ensuremath{^\vartriangle}}

% Used for defining occurrence of phrase, with customized index entry.
\newcommand{\IndexCustom}[2]{%
\leavevmode\marginpar{\ensuremath{_{^\vartriangle}}}\emph{#1}\index{#2}}
\leavevmode\marginpar{\IndexMarker}\emph{#1}\index{#2}}

% Used for the defining occurrence of a local symbol.
\newcommand{\DefineSymbol}[1]{%
Expand All @@ -196,11 +199,15 @@

% Same appearance, but not adding an entry to the index.
\newcommand{\NoIndex}[1]{%
\leavevmode\marginpar{\ensuremath{_{^\vartriangle}}}\emph{#1}}
\leavevmode\marginpar{\IndexMarker}\emph{#1}}

% Mark a compile-time error in the margin.
\newcommand{\Error}[1]{%
\leavevmode\marginpar{\ensuremath{_{^\ominus}}}{#1}}
\leavevmode\marginpar{\ensuremath{\textcolor{red}{\ominus}}}{#1}}

% Mark a dynamic error in the margin.
\newcommand{\DynamicError}[1]{%
\leavevmode\marginpar{\textcolor{red}{\Lightning}}{#1}}

% Used to specify comma separated lists of similar symbols.
\newcommand{\List}[3]{\ensuremath{{#1}_{#2},\,\ldots,\ {#1}_{#3}}}
Expand Down Expand Up @@ -402,9 +409,9 @@

% Same as \FunctionTypeNamed except suitable for inline usage, hence omitting
% the spacer argument.
\newcommand{\RawFunctionTypeNamed}[8]{%
\newcommand{\RawFunctionTypeNamed}[9]{%
\RawFunctionType{#1}{#2}{#3}{#4}{%
\FunctionTypeNamedParameters{#5}{#6}{#7}{#8}{r}}}
\FunctionTypeNamedParameters{#5}{#6}{#7}{#8}{#9}}}

% A variant of \FunctionTypeNamed that uses the standard symbols,
% that is, a function type with positional optional parameters which
Expand Down Expand Up @@ -466,17 +473,14 @@
\newcommand{\SubtypeStd}[2]{\Subtype{\Delta}{#1}{#2}}
% Subtype judgment where the environment is omitted (NE: "no environment").
\newcommand{\SubtypeNE}[2]{\ensuremath{{#1}\,<:\,{#2}}}
\newcommand{\MutualSubtype}[3]{\ensuremath{{#1}\vdash{#2}\,<:>\,{#3}}}
\newcommand{\MutualSubtypeStd}[2]{\MutualSubtype{\Delta}{#1}{#2}}
\newcommand{\MutualSubtypeNE}[2]{\ensuremath{{#1}\,<:>\,{#2}}}

% Judgment expressing that a supertype relation exists.
\newcommand{\Supertype}[3]{\ensuremath{{#1}\vdash{#2}\,:>\,{#3}}}
\newcommand{\SupertypeStd}[2]{\Supertype{\Delta}{#1}{#2}}

% Judgment expressing that an assignability relation exists.
\newcommand{\AssignableRelationSymbol}{\ensuremath{\Longleftrightarrow}}
\newcommand{\Assignable}[3]{%
\ensuremath{{#1}\vdash{#2}\,\AssignableRelationSymbol\,{#3}}}
\newcommand{\AssignableStd}[2]{\Assignable{\Gamma}{#1}{#2}}

% Semantic function delivering the superinterfaces of a class.
\newcommand{\Superinterfaces}[1]{\ensuremath{\metavar{Superinterfaces}({#1})}}
\newcommand{\Superinterface}[2]{{#1}\in\Superinterfaces{#2}}
Expand Down
Loading