Preprocessor

 

C++

Sprache

Concepts

Utilities-Bibliothek

Strings Bibliothek

Container-Bibliothek

Algorithmen-Bibliothek

Iteratoren Bibliothek

Numerik-Bibliothek

Input / Output-Bibliothek

Lokalisierungen Bibliothek

Reguläre Ausdrücke Bibliothek (C++11)

Atomare Operationen Bibliothek (C++11)

Thema Support-Bibliothek (C++11)

 

Sprache C + +

Allgemeine Themen Original: General topics The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Preprocessor Kommentare Keywords	ASCII-Tabelle Escape-Sequenzen Geschichte von C + +
Flusskontrolle Original: Flow control The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Bedingte Ausführung Aussagen Original: Conditional execution statements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
if statement	switch statement
Iterationsanweisungen Original: Iteration statements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
for loop range-for loop (C++11)	while loop do-while loop
Gehe Aussagen Original: Jump statements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
continue statement break statement	goto statement return statement
Funktionen Original: Functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Funktion Erklärung
Lambda-Funktion Erklärung
Funktions-Template
inline-Spezifizierer
Exception-Spezifikationen (veraltet)
noexcept Spezifizierer (C++11)
Ausnahmen Original: Exceptions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Werfen Ausdruck	try-catch-Block
Namespaces Original: Namespaces The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Namespace-Deklaration	Namespace Aliase
Types Original: Types The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Grundtypen zusammengesetzte Typen Aufzählungstypen	union-Typen Funktionstypen
decltype specifier (C++11)
Specifiers Original: Specifiers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
cv Planer
Lagerdauer Planer
constexpr Spezifizierer (C++11)
auto Spezifizierer (C++11)
alignas Spezifizierer (C++11)
Initialisierung Original: Initialization The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Default-Initialisierung Wert der Initialisierung Null-Initialisierung Kopieren Initialisierung direkte Initialisierung	aggregierten Initialisierung Liste der Initialisierung (C++11) konstanten Initialisierung Referenz-Initialisierung

Literale Original: Literals The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Integer-Literale Zeichenliterale Fließkomma-Literale Zeichenfolgenliterale	boolean Literale nullptr (C++11) benutzerdefiniert (C++11)
Expressions Original: Expressions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Wertkategorien Reihenfolge der Auswertung	Betreiber Operatorvorrang
alternative Darstellungen
Utilities Original: Utilities The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Types Original: Types The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
typedef declaration
Typ Aliasdeklaration (C++11)
Attribute (C++11)
Wirft Original: Casts The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
impliziten Konvertierungen
const_cast conversion
static_cast conversion
dynamic_cast conversion
reinterpret_cast conversion
C-Stil und funktionale Besetzung
Speicherzuweisung Original: Memory allocation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
new expression	delete expression
Classes Original: Classes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Klassendeklaration this pointer Zugriff auf Planer	Freund Spezifizierer Initialisierer Listen
Class-spezifische Funktion Eigenschaften Original: Class-specific function properties The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
virtuelle Funktion Überschreibungsspezifizierer (C++11) endgültigen Spezifizierer (C++11)	explizit (C++11) statisch
Besondere Member-Funktionen Original: Special member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Standardkonstruktor Copy-Konstruktor bewegen Konstruktor (C++11)	Kopieren Zuordnung bewegen Zuordnung (C++11) Destruktor
Templates Original: Templates The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Klassen-Template
Funktions-Template
Template-Spezialisierung
Parameter Packs (C++11)
Verschiedenes Original: Miscellaneous The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Inline Montage

 

Preprocessor

#if #ifdef #ifndef #else #elif #endif

#define #undef #,## operators

#include

#warning

#error

#pragma

#line

 

Der Präprozessor wird vor dem Compiler aufgerufen. Das Ergebnis des Präprozessors ist eine einzelne Datei, die an den Compiler weitergeleitet wird .

Original:

The preprocessor runs before the compilation begins. The result of preprocessing is single file which is then passed to the actual compiler.

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Richtlinien

Die Präprozessordirektiven steuern das Verhalten der Präprozessor. Jede Anweisung nimmt eine Zeile und hat folgendes Format:

Original:

The preprocessing directives control the behavior of the preprocessor. Each directive occupies one line and has the following format:

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• # Charakter

  Original:

  # character

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• Vorverarbeitung Anweisung (eine define, undef, include, if, ifdef, ifndef, else, elif, endif, line, error, warning, pragma)

  Original:

  preprocessing instruction (one of define, undef, include, if, ifdef, ifndef, else, elif, endif, line, error, warning, pragma)

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• Argumente (abhängig von der Instruktion)

  Original:

  arguments (depends on the instruction)

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• Zeilenumbruch

  Original:

  line break

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Die Null-Richtlinie (# durch einen Zeilenumbruch folgt) ist zulässig und hat keinen Einfluss .

Original:

The null directive (# followed by a line break) is allowed and has no effect.

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Fähigkeiten

Der Präprozessor hat die Quelldatei Übersetzung Fähigkeiten:

Original:

The preprocessor has the source file translation capabilities:

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• '<div class="t-tr-text"> bedingt

  Original:

  conditionally

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  ' compile von Teilen der Quelldatei (gesteuert durch die Richtlinie #if, #ifdef, #ifndef, #else, #elif und #endif) .
  Original:

  bedingt

  Original:

  conditionally

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  </div> compile of parts of source file (controlled by directive #if, #ifdef, #ifndef, #else, #elif and #endif).

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• ' replace' text Makros während möglicherweise Verkettung oder Quotierung von Bezeichnern (gesteuert durch Richtlinien #define und #undef und Operatoren # und ##)

  Original:

  replace text macros while possibly concatenating or quoting identifiers (controlled by directives #define and #undef, and operators # and ##)

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• 'include' andere Dateien (gesteuert durch die Richtlinie #include)

  Original:

  include other files (controlled by directive #include)

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• führen a 'warning' (gesteuert durch die Richtlinie #warning)

  Original:

  cause a warning (controlled by directive #warning)

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• Ursache Ein 'error' (gesteuert durch die Richtlinie #error)

  Original:

  cause an error (controlled by directive #error)

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Die folgenden Aspekte der Präprozessor gesteuert werden kann:

Original:

The following aspects of the preprocessor can be controlled:

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• '<div class="t-tr-text"> Implementierung definiert

  Original:

  implementation defined

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  ' Verhalten (gesteuert durch die Richtlinien #pragma)
  Original:

  Implementierung definiert

  Original:

  implementation defined

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  </div> behavior (controlled by directives #pragma)

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• '<div class="t-tr-text"> Dateinamen und Online-Informationen

  Original:

  file name and line information

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  ', die der Präprozessor (gesteuert durch Richtlinien #line)
  Original:

  Dateinamen und Online-Informationen

  Original:

  file name and line information

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  </div> available to the preprocessor (controlled by directives #line)

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