sv-parser/sv-parser-parser/src/specify_section/specify_block_terminals.rs
2019-08-15 18:13:34 +09:00

76 lines
2.2 KiB
Rust

use crate::*;
// -----------------------------------------------------------------------------
#[tracable_parser]
#[packrat_parser]
pub(crate) fn specify_input_terminal_descriptor(
s: Span,
) -> IResult<Span, SpecifyInputTerminalDescriptor> {
let (s, a) = input_identifier(s)?;
let (s, b) = opt(bracket(constant_range_expression))(s)?;
Ok((s, SpecifyInputTerminalDescriptor { nodes: (a, b) }))
}
#[tracable_parser]
#[packrat_parser]
pub(crate) fn specify_output_terminal_descriptor(
s: Span,
) -> IResult<Span, SpecifyOutputTerminalDescriptor> {
let (s, a) = output_identifier(s)?;
let (s, b) = opt(bracket(constant_range_expression))(s)?;
Ok((s, SpecifyOutputTerminalDescriptor { nodes: (a, b) }))
}
#[tracable_parser]
#[packrat_parser]
pub(crate) fn input_identifier(s: Span) -> IResult<Span, InputIdentifier> {
alt((
input_identifier_interface,
map(input_port_identifier, |x| {
InputIdentifier::InputPortIdentifier(Box::new(x))
}),
map(inout_port_identifier, |x| {
InputIdentifier::InoutPortIdentifier(Box::new(x))
}),
))(s)
}
#[tracable_parser]
#[packrat_parser]
pub(crate) fn input_identifier_interface(s: Span) -> IResult<Span, InputIdentifier> {
let (s, a) = interface_identifier(s)?;
let (s, b) = symbol(".")(s)?;
let (s, c) = port_identifier(s)?;
Ok((
s,
InputIdentifier::Interface(Box::new(InputIdentifierInterface { nodes: (a, b, c) })),
))
}
#[tracable_parser]
#[packrat_parser]
pub(crate) fn output_identifier(s: Span) -> IResult<Span, OutputIdentifier> {
alt((
output_identifier_interface,
map(output_port_identifier, |x| {
OutputIdentifier::OutputPortIdentifier(Box::new(x))
}),
map(inout_port_identifier, |x| {
OutputIdentifier::InoutPortIdentifier(Box::new(x))
}),
))(s)
}
#[tracable_parser]
#[packrat_parser]
pub(crate) fn output_identifier_interface(s: Span) -> IResult<Span, OutputIdentifier> {
let (s, a) = interface_identifier(s)?;
let (s, b) = symbol(".")(s)?;
let (s, c) = port_identifier(s)?;
Ok((
s,
OutputIdentifier::Interface(Box::new(OutputIdentifierInterface { nodes: (a, b, c) })),
))
}