流行编程语言及其注释方式一览表
2017-04-06 15:22
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1.各种编程语言的注释符号比较
2.程语言的注释：
Comment comparisonThere is a wide variety of syntax styles for declaring comments in source code.
BlockCommentin italics is used here to indicate block comment style.
InlineComment
in italics is used here to indicate inline comment style.
| Language（编程语言） | In-line comment（行注释） | Block comment（块注释） |
|---|---|---|
| Ada,Eiffel,Euphoria,Occam,SPARK, ANSI SQL, and VHDL | -- InlineComment | |
| ALGOL 60 | comment BlockComment; | |
| ALGOL 68 | ¢ BlockComment ¢ comment BlockComment comment co BlockCommentco # BlockComment # £ BlockComment £ | |
| AppleScript | -- InlineComment | (* BlockComment *) |
| Assembly language (varies) | ; InlineCommentone example (most assembly languages use line comments only) | |
| AutoHotkey | ; InlineComment | /* BlockComment */ |
| AWK,Bash,Bourne shell, C shell, Maple, R, Tcl, and Windows PowerShell | # InlineComment | <# BlockComment #> |
| BASIC (various dialects): | 'InlineComment(not all dialects) REM InlineComment | |
| C (K&R, ANSI/C89/C90),CHILL,PL/I, and REXX | /* BlockComment */ | |
| C (C99),C++,Go, and JavaScript | // InlineComment | /* BlockComment */ |
| C# | // InlineComment /// InlineComment(XML documentation comment) | /* BlockComment */ /** BlockComment */(XML documentation comment) |
| COBOL | InlineComment(when * or / is in column 7) *> InlineComment | |
| Curl | ||InlineComment | |# BlockComment #| |foo#BlockComment #| |
| Cobra | # InlineComment | /# BlockComment #/(nestable) |
| D | // InlineComment /// Documentation InlineComment(ddoc comments) | /* BlockComment */ /** Documentation BlockComment */(ddoc comments) /+ BlockComment +/(nestable) /++ Documentation BlockComment +/(nestable,ddoc comments) |
| DCL | $! InlineComment | |
| ECMAScript (JavaScript,ActionScript, etc.) | // InlineComment | /* BlockComment */ |
| Forth | \ InlineComment | ( BlockComment )(single line as well as multiline) ( before -- after )stack comment convention |
| Fortran 66/77 | C InlineComment(the letter 'C' in the first column makes the entire line a comment). | |
| Fortran 90 | ! InlineComment(all characters on the line, from the exclamation mark onwards, are comments) | |
| Haskell | -- InlineComment | {- BlockComment -} |
| Java | // InlineComment | /* BlockComment */ /** BlockComment */(Javadoc documentation comment) |
| Lisp andScheme | ; InlineComment | #|BlockComment|# |
| Lua | -- InlineComment | --[==[ BlockComment]==](variable number of = signs) |
| Maple | # InlineComment | (* BlockComment *) |
| Mathematica | (* BlockComment *) | |
| Matlab | % InlineComment | %{
BlockComment (nestable)
%}Note: Both percent–bracket symbols must be the only non-whitespace characters on their respective lines. |
| Object Pascal (Delphi) | // InlineComment | (* BlockComment *) { BlockComment } |
| OCaml | (* BlockComment (* nestable *) *) | |
| Pascal,Modula-2,Modula-3,Oberon, and ML: | (* BlockComment *) | |
| Perl andRuby | # InlineComment | =begin BlockComment =cut( =endin Ruby) (POD documentation comment) __END__ Comments after end of code |
| PHP | # InlineComment // InlineComment | /* BlockComment */ /** Documentation BlockComment */(PHP Doc comments) |
| PILOT | R:InlineComment | |
| PLZ/SYS | ! BlockComment ! | |
| PL/SQL andTSQL | -- InlineComment | /* BlockComment */ |
| Python | # InlineComment | '''BlockComment''' """ BlockComment """ (Documentation string when first line of module, class, method, or function) |
| Rust | // InlineComment /// InlineComment("Outer" rustdoc comment) //! InlineComment("Inner" rustdoc comment) | /* BlockComment */(nestable) /** BlockComment */("Outer" rustdoc comment) /*! BlockComment */("Inner" rustdoc comment) |
| SAS | * BlockComment; /* BlockComment */ | |
| Seed7 | # InlineComment | (* BlockComment *) |
| Simula | comment BlockComment; ! BlockComment; | |
| Smalltalk | "BlockComment" | |
| Smarty | {* BlockComment *} | |
| Standard ML | (* BlockComment *) | |
| TeX,LaTeX,PostScript,Erlang, and S-Lang | % InlineComment | |
| Texinfo | @c InlineComment @comment InlineComment | |
| TUTOR | * InlineComment command $$ InlineComment | |
| Visual Basic | 'InlineComment Rem InlineComment | |
| Visual Basic .NET | 'InlineComment '''InlineComment(XML documentation comment) Rem InlineComment | |
| Visual Prolog | % InlineComment | /* BlockComment */ |
| Wolfram Language | (* BlockComment *) | |
| Xojo | ' InlineComment // InlineComment rem InlineComment |
https://zh.wikipedia.org/wiki/Template:程序设计语言 https://en.wikipedia.org/w/index.php?title=Comparison_of_programming_languages_(syntax)&action=edit§ion=23
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