|
| | VHDL-AMS Syntax (IEEE Std 1076.1)
The start symbol is design_file.
Syntax:
- abstract_literal ::=
- decimal_literal | based_literal
- access_type_definition ::=
- access subtype_indication
- across_aspect ::=
- identifier_list
[ tolerance_aspect ] [ :=
expression ] across
- actual_designator ::=
- expression
| signal_name
| variable_name
| file_name
| terminal_name
| quantity_name
| open
- actual_parameter_part ::=
- parameter_association_list
- actual_part ::=
- actual_designator
| function_name (
actual_designator )
| type_mark ( actual_designator
)
- adding_operator ::=
- + | - | &
- aggregate ::=
- ( element_association { ,
element_association } )
- alias_declaration ::=
- alias alias_designator [ :
alias_indication ] is name [
signature ] ;
- alias_designator ::=
- identifier
| character_literal
| operator_symbol
- alias_indication ::=
- subtype_indication
| subnature_indication
- allocator ::=
- new subtype_indication
| new qualified_expression
- architecture_body ::=
- architecture identifier of
entity_name is
begin
end [ architecture ] [ architecture_simple_name
] ;
- architecture_declarative_part ::=
- { block_declarative_item }
- architecture_statement ::=
- simultaneous_statement
| concurrent_statement
- architecture_statement_part ::=
- { architecture_statement }
- array_nature_definition ::=
- unconstrained_nature_definition |
constrained_nature_definition
- array_type_definition ::=
- unconstrained_array_definition |
constrained_array_definition
- assertion ::=
- assert condition
- assertion_statement ::=
- [ label : ] assertion ;
- association_element ::=
- [ formal_part => ] actual_part
- association_list ::=
- association_element { ,
association_element }
- attribute_declaration ::=
- attribute identifier :
type_mark ;
- attribute_designator ::=
- attribute_simple_name
- attribute_name ::=
- prefix [ signature ] '
attribute_designator [ ( expression { ,
expression } ) ]
- attribute_specification ::=
- attribute attribute_designator of
entity_specification is expression ;
- base ::=
- integer
- base_specifier ::=
- B | O | X
- based_integer ::=
- extended_digit { [underline ]
extended_digit }
- based_literal ::=
- base # based_integer [ .
based_integer ] # [ exponent ]
- basic_character ::=
- basic_graphic_character | format_effector
- basic_graphic_character ::=
- upper_case_letter | digit | special_character | space_character
- basic_identifier ::=
- letter { [ underline ]
letter_or_digit }
- binding_indication ::=
- [ use entity_aspect ]
[ generic_map_aspect ]
[ port_map_aspect ]
- bit_string_literal ::=
- base_specifier " [ bit_value
] "
- bit_value ::=
- extended_digit { [ underline ]
extended_digit }
- block_configuration ::=
- for block_specification
end for ;
- block_declarative_item ::=
- subprogram_declaration
| subprogram_body
| type_declaration
| subtype_declaration
| constant_declaration
| signal_declaration
| shared_variable_declaration
| file_declaration
| alias_declaration
| component_declaration
| attribute_declaration
| attribute_specification
| configuration_specification
| disconnection_specification
| step_limit_specification
| use_clause
| group_template_declaration
| group_declaration
| nature_declaration
| subnature_declaration
| quantity_declaration
| terminal_declaration
- block_declarative_part ::=
- { block_declarative_item }
- block_header ::=
- [ generic_clause
[ generic_map_aspect ; ] ]
[ port_clause
[ port_map_aspect ; ] ]
- block_specification ::=
- architecture_name
| block_statement_label
| generate_statement_label [ (
index_specification ) ]
- block_statement ::=
- block_label :
- block_statement_part ::=
- { architecture_statement }
- branch_quantity_declaration ::=
- quantity [ across_aspect ] [
through_aspect ] terminal_aspect ;
- break_element ::=
- [ break_selector_clause ] quantity_name
=> expression
- break_list ::=
- break_element { , break_element
}
- break_selector_clause ::=
- for quantity_name use
- break_statement ::=
- [ label : ] break [
break_list ] [ when condition ] ;
- case_statement ::=
- [ case_label : ]
- case_statement_alternative ::=
- when choices =>
- character_literal ::=
- ' graphic_character '
- choice ::=
- simple_expression
| discrete_range
| element_simple_name
| others
- choices ::=
- choice { | choice }
- component_configuration ::=
- for component_specification
end for ;
- component_declaration ::=
- component identifier [ is ]
end component [ component_simple_name
] ;
- component_instantiation_statement ::=
- instantiation_label :
- component_specification ::=
- instantiation_list : component_name
- composite_nature_definition ::=
- array_nature_definition
| record_nature_definition
- composite_type_definition ::=
- array_type_definition
| record_type_definition
- concurrent_assertion_statement ::=
- [ label : ] [ postponed ]
assertion ;
- concurrent_break_statement ::=
- [ label : ] break [
break_list ] [ sensitivity_clause ] [ when
condition ] ;
- concurrent_procedure_call_statement ::=
- [ label : ] [ postponed ]
procedure_call ;
- concurrent_signal_assignment_statement ::=
- [ label : ] [ postponed ]
conditional_signal_assignment
| [ label : ] [ postponed ]
selected_signal_assignment
- concurrent_statement ::=
- block_statement
| process_statement
| concurrent_procedure_call_statement
| concurrent_assertion_statement
| concurrent_signal_assignment_statement
| component_instantiation_statement
| generate_statement
| concurrent_break_statement
- condition ::=
- boolean_expression
- condition_clause ::=
- until condition
- conditional_signal_assignment ::=
- target <= options
conditional_waveforms ;
- conditional_waveforms ::=
- { waveform when
condition else }
waveform [ when
condition ]
- configuration_declaration ::=
- configuration identifier of
entity_name is
end [ configuration ] [ configuration_simple_name
] ;
- configuration_declarative_item ::=
- use_clause
| attribute_specification
| group_declaration
- configuration_declarative_part ::=
- { configuration_declarative_item }
- configuration_item ::=
- block_configuration
| component_configuration
- configuration_specification ::=
- for component_specification
binding_indication ;
- constant_declaration ::=
- constant identifier_list :
subtype_indication [ := expression ] ;
- constrained_array_definition ::=
- array index_constraint of
element_subtype_indication
- constrained_nature_definition ::=
- array index_constraint of
subnature_indication
- constraint ::=
- range_constraint
| index_constraint
- context_clause ::=
- { context_item }
- context_item ::=
- library_clause
| use_clause
- decimal_literal ::=
- integer [ . integer ] [
exponent ]
- declaration ::=
- type_declaration
| subtype_declaration
| object_declaration
| interface_declaration
| alias_declaration
| attribute_declaration
| component_declaration
| group_template_declaration
| group_declaration
| entity_declaration
| configuration_declaration
| subprogram_declaration
| package_declaration
| nature_declaration
| subnature_declaration
| quantity_declaration
| terminal_declaration
- delay_mechanism ::=
- transport
| [ reject time_expression ]
inertial
- design_file ::=
- design_unit { design_unit }
- design_unit ::=
- context_clause library_unit
- designator ::=
- identifier | operator_symbol
- direction ::=
- to | downto
- disconnection_specification ::=
- disconnect guarded_signal_specification
after time_expression ;
- discrete_range ::=
- discrete_subtype_indication |
range
- element_association ::=
- [ choices => ] expression
- element_declaration ::=
- identifier_list :
element_subtype_definition ;
- element_subnature_definition ::=
- subnature_indication
- element_subtype_definition ::=
- subtype_indication
- entity_aspect ::=
- entity entity_name [ (
architecture_identifier ) ]
| configuration configuration_name
| open
- entity_class ::=
- entity
| architecture
| configuration
| procedure
| function
| package
| type
| subtype
| constant
| signal
| variable
| component
| label
| literal
| units
| group
| file
| nature
| subnature
| quantity
| terminal
- entity_class_entry ::=
- entity_class [ <> ]
- entity_class_entry_list ::=
- entity_class_entry { ,
entity_class_entry }
- entity_declaration ::=
- entity identifier is
[ begin
end [ entity ] [ entity_simple_name
] ;
- entity_declarative_item ::=
- subprogram_declaration
| subprogram_body
| type_declaration
| subtype_declaration
| constant_declaration
| signal_declaration
| shared_variable_declaration
| file_declaration
| alias_declaration
| attribute_declaration
| attribute_specification
| disconnection_specification
| step_limit_specification
| use_clause
| group_template_declaration
| group_declaration
| nature_declaration
| subnature_declaration
| quantity_declaration
| terminal_declaration
- entity_declarative_part ::=
- { entity_declarative_item }
- entity_designator ::=
- entity_tag [ signature ]
- entity_header ::=
- [ formal_generic_clause ]
[ formal_port_clause ]
- entity_name_list ::=
- entity_designator { ,
entity_designator }
| others
| all
- entity_specification ::=
- entity_name_list : entity_class
- entity_statement ::=
- concurrent_assertion_statement
| passive_concurrent_procedure_call_statement
| passive_process_statement
- entity_statement_part ::=
- { entity_statement }
- entity_tag ::=
- simple_name
| character_literal
| operator_symbol
- enumeration_literal ::=
- identifier | character_literal
- enumeration_type_definition ::=
- ( enumeration_literal { ,
enumeration_literal } )
- exit_statement ::=
- [ label : ] exit [ loop_label
] [ when condition ] ;
- exponent ::=
- E [ + ] integer | E - integer
- expression ::=
- relation { and relation
}
| relation { or relation
}
| relation { xor
relation }
| relation [ nand
relation ]
| relation [ nor
relation ]
| relation { xnor
relation }
- extended_digit ::=
- digit | letter
- extended_identifier ::=
- \ graphic_character {
graphic_character } \
- factor ::=
- primary [ ** primary ]
| abs primary
| not primary
- file_declaration ::=
- file identifier_list :
subtype_indication [ file_open_information ] ;
- file_logical_name ::=
- string_expression
- file_open_information ::=
- [ open file_open_kind_expression ]
is file_logical_name
- file_type_definition ::=
- file of type_mark
- floating_type_definition ::=
- range_constraint
- formal_designator ::=
- generic_name
| port_name
| parameter_name
- formal_parameter_list ::=
- parameter_interface_list
- formal_part ::=
- formal_designator
| function_name (
formal_designator )
| type_mark (
formal_designator )
- free_quantity_declaration ::=
- quantity identifier_list :
subtype_indication [ := expression ] ;
- full_type_declaration ::=
- type identifier is
type_definition ;
- function_call ::=
- function_name [ (
actual_parameter_part ) ]
- generate_statement ::=
- generate_label :
- generation_scheme ::=
- for generate_parameter_specification
| if condition
- generic_clause ::=
- generic ( generic_list ) ;
- generic_list ::=
- generic_interface_list
- generic_map_aspect ::=
- generic map ( generic_association_list
)
- graphic_character ::=
- basic_graphic_character | lower_case_letter |
other_special_character
- group_constituent ::=
- name | character_literal
- group_constituent_list ::=
- group_constituent { ,
group_constituent }
- group_declaration ::=
- group identifier : group_template_name
( group_constituent_list ) ;
- group_template_declaration ::=
- group identifier is (
entity_class_entry_list ) ;
- guarded_signal_specification ::=
- guarded_signal_list :
type_mark
- identifier ::=
- basic_identifier |
extended_identifier
- identifier_list ::=
- identifier { , identifier }
- if_statement ::=
- [ if_label : ]
- incomplete_type_declaration ::=
- type identifier ;
- index_constraint ::=
- ( discrete_range { ,
discrete_range } )
- index_specification ::=
- discrete_range
| static_expression
- index_subtype_definition ::=
- type_mark range <>
- indexed_name ::=
- prefix ( expression { ,
expression } )
- instantiated_unit ::=
- [ component ] component_name
| entity entity_name [ (
architecture_identifier ) ]
| configuration configuration_name
- instantiation_list ::=
- instantiation_label { , instantiation_label
}
| others
| all
- integer ::=
- digit { [ underline ] digit }
- integer_type_definition ::=
- range_constraint
- interface_constant_declaration ::=
- [ constant ] identifier_list : [ in
] subtype_indication [ := static_expression
]
- interface_declaration ::=
- interface_constant_declaration
| interface_signal_declaration
| interface_variable_declaration
| interface_file_declaration
| interface_terminal_declaration
| interface_quantity_declaration
- interface_element ::=
- interface_declaration
- interface_file_declaration ::=
- file identifier_list :
subtype_indication
- interface_list ::=
- interface_element { ;
interface_element }
- interface_quantity_declaration ::=
- quantity identifier_list : [ in |
out ] subtype_indication [ := static_expression
]
- interface_signal_declaration ::=
- [ signal ] identifier_list : [
mode ] subtype_indication [ bus ] [ :=
static_expression ]
- interface_terminal_declaration ::=
- terminal identifier_list :
subnature_indication
- interface_variable_declaration ::=
- [ variable ] identifier_list : [
mode ] subtype_indication [ := static_expression
]
- iteration_scheme ::=
- while condition
| for loop_parameter_specification
- label ::=
- identifier
- letter ::=
- upper_case_letter | lower_case_letter
- letter_or_digit ::=
- letter | digit
- library_clause ::=
- library logical_name_list ;
- library_unit ::=
- primary_unit
| secondary_unit
- literal ::=
- numeric_literal
| enumeration_literal
| string_literal
| bit_string_literal
| null
- logical_name ::=
- identifier
- logical_name_list ::=
- logical_name { , logical_name
}
- logical_operator ::=
- and | or | nand | nor | xor | xnor
- loop_statement ::=
- [ loop_label : ]
- miscellaneous_operator ::=
- ** | abs | not
- mode ::=
- in | out | inout | buffer | linkage
- multiplying_operator ::=
- * | / | mod | rem
- name ::=
- simple_name
| operator_symbol
| selected_name
| indexed_name
| slice_name
| attribute_name
- nature_declaration ::=
- nature identifier is
nature_definition ;
- nature_definition ::=
- scalar_nature_definition
| composite_nature_definition
- nature_element_declaration ::=
- identifier_list :
element_subnature_definition
- nature_mark ::=
- nature_name | subnature_name
- next_statement ::=
- [ label : ] next [ loop_label
] [ when condition ] ;
- null_statement ::=
- [ label : ] null ;
- numeric_literal ::=
- abstract_literal
| physical_literal
- object_declaration ::=
- constant_declaration
| signal_declaration
| variable_declaration
| file_declaration
| terminal_declaration
| quantity_declaration
- operator_symbol ::=
- string_literal
- options ::=
- [ guarded ] [ delay_mechanism ]
- package_body ::=
- package body package_simple_name
is
end [ package body ] [ package_simple_name
] ;
- package_body_declarative_item ::=
- subprogram_declaration
| subprogram_body
| type_declaration
| subtype_declaration
| constant_declaration
| shared_variable_declaration
| file_declaration
| alias_declaration
| use_clause
| group_template_declaration
| group_declaration
- package_body_declarative_part ::=
- { package_body_declarative_item }
- package_declaration ::=
- package identifier is
end [ package ] [ package_simple_name
] ;
- package_declarative_item ::=
- subprogram_declaration
| type_declaration
| subtype_declaration
| constant_declaration
| signal_declaration
| shared_variable_declaration
| file_declaration
| alias_declaration
| component_declaration
| attribute_declaration
| attribute_specification
| disconnection_specification
| use_clause
| group_template_declaration
| group_declaration
| nature_declaration
| subnature_declaration
| terminal_declaration
- package_declarative_part ::=
- { package_declarative_item }
- parameter_specification ::=
- identifier in
discrete_range
- physical_literal ::=
- [ abstract_literal ] unit_name
- physical_type_definition ::=
- range_constraint
- port_clause ::=
- port ( port_list ) ;
- port_list ::=
- port_interface_list
- port_map_aspect ::=
- port map ( port_association_list
)
- prefix ::=
- name
| function_call
- primary ::=
- name
| literal
| aggregate
| function_call
| qualified_expression
| type_conversion
| allocator
| ( expression )
- primary_unit ::=
- entity_declaration
| configuration_declaration
| package_declaration
- primary_unit_declaration ::=
- identifier ;
- procedural_declarative_item ::=
- subprogram_declaration
| subprogram_body
| type_declaration
| subtype_declaration
| constant_declaration
| variable_declaration
| alias_declaration
| attribute_declaration
| attribute_specification
| use_clause
| group_template_declaration
| group_declaration
- procedural_declarative_part ::=
- { procedural_declarative_item }
- procedural_statement_part ::=
- { sequential_statement }
- procedure_call ::=
- procedure_name [ (
actual_parameter_part ) ]
- procedure_call_statement ::=
- [ label : ] procedure_call
;
- process_declarative_item ::=
- subprogram_declaration
| subprogram_body
| type_declaration
| subtype_declaration
| constant_declaration
| variable_declaration
| file_declaration
| alias_declaration
| attribute_declaration
| attribute_specification
| use_clause
| group_template_declaration
| group_declaration
- process_declarative_part ::=
- { process_declarative_item }
- process_statement ::=
- [ process_label : ]
[ postponed ] process [ (
sensitivity_list ) ] [ is ]
begin
end [ postponed ] process [ process_label
] ;
- process_statement_part ::=
- { sequential_statement }
- qualified_expression ::=
- type_mark ' ( expression )
| type_mark ' aggregate
- quantity_declaration ::=
- free_quantity_declaration
| branch_quantity_declaration
| source_quantity_declaration
- quantity_list ::=
- quantity_name { , quantity_name
}
| others
| all
- quantity_specification ::=
- quantity_list : type_mark
- range ::=
- range_attribute_name
| simple_expression direction
simple_expression
- range_constraint ::=
- range range
- record_nature_definition ::=
- record
end record [ record_nature_simple_name
]
- record_type_definition ::=
- record
end record [ record_type_simple_name
]
- relation ::=
- shift_expression [
relational_operator shift_expression ]
- relational_operator ::=
- = | /= | < | <= | > | >=
- report_statement ::=
- [ label : ]
- return_statement ::=
- [ label : ] return [
expression ] ;
- scalar_nature_definition ::=
- type_mark across
- type_mark through
- identifier reference
- scalar_type_definition ::=
- enumeration_type_definition
| integer_type_definition
| floating_type_definition
| physical_type_definition
- secondary_unit ::=
- architecture_body
| package_body
- secondary_unit_declaration ::=
- identifier = physical_literal
;
- selected_name ::=
- prefix . suffix
- selected_signal_assignment ::=
- with expression select
- selected_waveforms ::=
- { waveform when choices
, }
waveform when choices
- sensitivity_clause ::=
- on sensitivity_list
- sensitivity_list ::=
- signal_name { , signal_name
}
- sequence_of_statements ::=
- { sequential_statement }
- sequential_statement ::=
- wait_statement
| assertion_statement
| report_statement
| signal_assignment_statement
| variable_assignment_statement
| procedure_call_statement
| if_statement
| case_statement
| loop_statement
| next_statement
| exit_statement
| return_statement
| null_statement
| break_statement
- shift_expression ::=
- simple_expression [
shift_operator simple_expression ]
- shift_operator ::=
- sll | srl | sla | sra | rol | ror
- sign ::=
- + | -
- signal_assignment_statement ::=
- [ label : ] target <= [
delay_mechanism ] waveform ;
- signal_declaration ::=
- signal identifier_list :
subtype_indication [ signal_kind ] [ :=
expression ] ;
- signal_kind ::=
- register | bus
- signal_list ::=
- signal_name { , signal_name
}
| others
| all
- signature ::=
- [ [ type_mark { , type_mark
} ] [ return type_mark ] ]
- simple_expression ::=
- [ sign ] term {
adding_operator term }
- simple_name ::=
- identifier
- simple_simultaneous_statement ::=
- [ label : ] simple_expression
== simple_expression [
tolerance_aspect ] ;
- simultaneous_alternative ::=
- when choices =>
- simultaneous_case_statement ::=
- [ case_label : ]
- simultaneous_if_statement ::=
- [ if_label : ]
- simultaneous_null_statement ::=
- [ label : ] null ;
- simultaneous_procedural_statement ::=
- [ procedural_label : ]
procedural [ is ]
begin
end procedural [ procedural_label
] ;
- simultaneous_statement ::=
- simple_simultaneous_statement
| simultaneous_if_statement
| simultaneous_case_statement
| simultaneous_procedural_statement
| simultaneous_null_statement
- simultaneous_statement_part ::=
- { simultaneous_statement }
- slice_name ::=
- prefix ( discrete_range )
- source_aspect ::=
- spectrum magnitude_simple_expression
, phase_simple_expression
| noise power_simple_expression
- source_quantity_declaration ::=
- quantity identifier_list :
subtype_indication source_aspect ;
- step_limit_specification ::=
- limit quantity_specification with
real_expression ;
- subnature_declaration ::=
- subnature identifier is
subnature_indication ;
- subnature_indication ::=
- nature_mark [ index_constraint
] [ tolerance string_expression
across string_expression through ]
- string_literal ::=
- " { graphic_character } "
- subprogram_body ::=
- subprogram_specification is
begin
end [ subprogram_kind ] [
designator ] ;
- subprogram_declaration ::=
- subprogram_specification ;
- subprogram_declarative_item ::=
- subprogram_declaration
| subprogram_body
| type_declaration
| subtype_declaration
| constant_declaration
| variable_declaration
| file_declaration
| alias_declaration
| attribute_declaration
| attribute_specification
| use_clause
| group_template_declaration
| group_declaration
- subprogram_declarative_part ::=
- { subprogram_declarative_item }
- subprogram_kind ::=
- procedure | function
- subprogram_specification ::=
- procedure designator [ (
formal_parameter_list ) ]
| [ pure | impure ] function
designator [ ( formal_parameter_list ) ]
- subprogram_statement_part ::=
- { sequential_statement }
- subtype_declaration ::=
- subtype identifier is
subtype_indication ;
- subtype_indication ::=
- [ resolution_function_name ]
type_mark [ constraint ] [
tolerance_aspect ]
- suffix ::=
- simple_name
| character_literal
| operator_symbol
| all
- target ::=
- name
| aggregate
- term ::=
- factor { multiplying_operator
factor }
- terminal_aspect ::=
- plus_terminal_name [ to
minus_terminal_name ]
- terminal_declaration ::=
- terminal identifier_list :
subnature_indication ;
- through_aspect ::=
- identifier_list [
tolerance_aspect ] [ := expression ] through
- timeout_clause ::=
- for time_or_real_expression
- tolerance_aspect ::=
- tolerance string_expression
- type_conversion ::=
- type_mark ( expression )
- type_declaration ::=
- full_type_declaration
| incomplete_type_declaration
- type_definition ::=
- scalar_type_definition
| composite_type_definition
| access_type_definition
| file_type_definition
- type_mark ::=
- type_name
| subtype_name
- unconstrained_array_definition ::=
- array ( index_subtype_definition { ,
index_subtype_definition } )
- unconstrained_nature_definition ::=
- array ( index_subtype_definition { ,
index_subtype_definition } )
- use_clause ::=
- use selected_name { ,
selected_name } ;
- variable_assignment_statement ::=
- [ label : ] target :=
expression ;
- variable_declaration ::=
- [ shared ] variable identifier_list
: subtype_indication [ :=
expression ] ;
- wait_statement ::=
- [ label : ] wait [
sensitivity_clause ] [ condition_clause ] [
timeout_clause ] ;
- waveform ::=
- waveform_element { ,
waveform_element }
unaffected
- waveform_element ::=
- value_expression [ after time_expression
]
| null [ after time_expression
]
abs, access, across, after, alias, all, and, architecture, array, assert,
attribute,
begin, block, body, break, buffer, bus,
case, component, configuration, constant,
disconnect, downto,
else, elsif, end, entity, exit,
file, for, function,
generate, generic, group, guarded,
if, impure, in, inertial, inout, is,
label, library, limit, linkage, literal, loop,
map, mod,
nand, nature, new, next, noise, nor, not, null,
of, on, open, or, others, out,
package, port, postponed, procedural, procedure, process, pure,
quantity,
range, record, reference, register, reject, rem, report, return, rol, ror,
select, severity, shared, signal, sla, sll, spectrum, sra, srl, subnature,
subtype,
terminal, then, through, to, tolerance, transport, type,
unaffected, units, until, use,
variable,
wait, when, while, with,
xnor, xor
(T = scalar type, subtype or terminal, A = array type, S = signal, E = named
entity, N = nature, Q = quantity)
T'BASE
T'LEFT
T'RIGHT
T'HIGH
T'LOW
T'ASCENDING
T'IMAGE(X)
T'VALUE(X)
T'POS(X)
T'VAL(X)
T'SUCC(X)
T'PRED(X)
T'LEFTOF(X)
T'RIGHTOF(X)
T'REFERENCE
T'CONTRIBUTION
T'TOLERANCE
A'LEFT[(N)]
A'RIGHT[(N)]
A'HIGH[(N)]
A'LOW[(N)]
A'RANGE[(N)]
A'REVERSE_RANGE[(N)]
A'LENGTH[(N)]
A'ASCENDING[(N)]
S'DELAYED[(T)]
S'STABLE[(T)]
S'QUIET[(T)]
S'TRANSACTION
S'EVENT
S'ACTIVE
S'LAST_EVENT
S'LAST_ACTIVE
S'LAST_VALUE
S'DRIVING
S'DRIVING_VALUE
S'RAMP[(TRISE [,TFALL])]
S'SLEW[(RISING_SLOPE [,FALLING_SLOPE])]
E'SIMPLE_NAME
E'INSTANCE_NAME
E'PATH_NAME
N'ACROSS
N'THROUGH
Q'TOLERANCE
Q'DOT
Q'INTEG
Q'DELAYED[(T)]
Q'ABOVE(E)
Q'ZOH(T [,INITIAL_DELAY])
Q'LTF(NUM,DEN)
Q'ZTF(NUM,DEN,T [,INITIAL_DELAY])
Q'SLEW[(MAX_RISING_SLOPE [,MAX_FALLING_SLOPE])]
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