modifier

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Modifiers are keywords modifying the standard behavior of a Pascal language construct, although some modifiers merely serve the purpose of being a hint to the compiler.

declaration modifiers

allocation

• absolute
• alias
• cVar
• export
• external
• name
• public

routines

• forward
• overload

hint directives

If {$modeSwitch hintDirectives+}, the following hint modifiers are available too:

• deprecated
• experimental
• platform
• unimplemented

These “modifiers” actually have no effect on the generated code, but can be promoted to errors using {$warn} (so, for example, in order to ensure deprecated functionality is not used in a release version).

call modifiers

calling convention

• cDecl
• cppDecl
• interrupt
• oldFpcCall
• pascal
• register
• safeCall
• saveRegisters
• stdCall
• varArgs (in conjunction with cDecl)
• winApi

routine behavior hints

• IOCheck
• noReturn

position

• far
• far16
• local
• near

optimization requests

• inline
• noStackFrame

other

• assembler
• softFloat

properties

• default
• index
• noDefault
• read
• stored
• write

object-oriented programming

access modifiers

• private
• protected
• public
• published
• strict (only in combination with one of the four visibility specifiers listed above)

virtual methods

• abstract
• dynamic
• override
• reintroduce
• virtual

classes

• enumerator
• static
• implements
• message

miscellaneous

loops

• break
• continue

generics

• generic
• specialize

libraries

• index

memory

• bitpacked
• unaligned

type helpers

• helper

see also

• reserved words