Section Fourteen—Predefined Language Environment

text-align:left;

Section	Construct	VHDL 1987 Support	VHDL 1993 Support
14.1	Predefined Attributes	Supported except for `'ACTIVE`, `'BEHAVIOR`, `'INSTANCE_NAME`, `'PATH_NAME`, `'QUIET`, `'SIMPLE_NAME`, `'STRUCTURE`, and `'TRANSACTION`.	Supported except for `'ACTIVE`, `'BEHAVIOR`, `'INSTANCE_NAME`, `'PATH_NAME`, `'QUIET`, `'SIMPLE_NAME`, `'STRUCTURE`, and `'TRANSACTION`.
14.2	Package `STANDARD`	Supported	Supported
14.3	Package `TEXTIO`	Supported. File I/O cannot be synthesized; therefore, calls to `TEXTIO` functions are ignored.	Supported. File I/O cannot be synthesized; therefore, calls to `TEXTIO` functions are ignored.