2019-10-07 23:33:55 +00:00
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[< back to index](../doc_index.md)
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# List of keywords
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## Normal keywords
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### Top level keywords
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These keywords can occur at the top level of the file:
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import segment
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array struct union enum alias
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### Declaration modifiers
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These keywords occur within variable, array and function declarations:
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* Variable declaration modifiers: `const volatile register static stack`
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* Function declaration modifiers: `asm inline noinline interrupt kernal_interrupt macro reentrant extern`
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* Array declaration modifiers: `const`
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* Common modifiers: `segment align`
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### Statement keywords
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These keywords occur within function bodies:
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if else for while do
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goto label
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asm
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return
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### Sub-statement keywords
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These keywords occur within bodies of certain other statements:
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2019-10-23 09:03:01 +00:00
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* for-loop directions: `to until downto parallelto paralleluntil`
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2019-10-07 23:33:55 +00:00
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* special return-dispatch branch: `default`
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* loop control flow: `break continue`
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## Contextual keywords
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These are not considered keywords, but have special meaning in certain syntactical locations:
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* special alignment constant: `fast`
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* special array function: `file`
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* text encoding names: `z defaultz scr scrz`; for the rest, see [the list of text encodings](./text.md)
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`default` is also a name of a text encoding, but it's also a keyword
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## Reserved identifiers
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Most of reserved identifiers are considered keywords (i.e. you cannot override them, even locally).
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Some are not, but overriding them is strongly discouraged and for highest code clarity should also be considered keywords.
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The keyword status of those identifiers may change in the future.
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### Built-in types
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The following identifiers are considered keywords:
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byte ubyte sbyte word long
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pointer void bool
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set_carry set_zero set_overflow set_negative
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clear_carry clear_zero clear_overflow clear_negative
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int16 int24 int32 int40 int 48 int56 int64 int72 int80 int88 int96 int104 int112 int120 int128
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unsigned8 signed8
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`farword` is a deprecated alias for `int24` and it is not a keyword. It will be removed in the future.
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### Built-in constants
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The following identifiers are considered keywords:
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true false
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The following identifiers are not considered keywords:
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nullptr nullchar
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### Built-in functions and operators
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The following identifiers are considered keywords:
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not hi lo nonet sizeof
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The following identifiers are not considered keywords:
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sin cos tan call
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## Reserved field names
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It is not allowed to define a struct or a union with a field with any of the following names:
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pointer addr rawaddr return
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## Preprocesor keywords
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### Directives
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#if #elseif #else #endif
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#define #use
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#pragma
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#fatal #error #warn #info #infoeval
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### Built-in functions
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not hi lo defined if
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