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compiler, runtime, common, documentation: Refactor Type System

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The type system (and the value system) now include attributes
for each type (things like direction, const-ness).

Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
This commit is contained in:
Will Hawkins
2026-04-13 23:53:31 -04:00
parent 35b2537754
commit 94086c8e17
34 changed files with 690 additions and 552 deletions
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Sources/P4Lang/Control.swift
+9 -9
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@@ -120,53 +120,53 @@ public struct Table: CustomStringConvertible {
}
}
public struct Control: P4Type, P4Value, Equatable, CustomStringConvertible {
public struct Control: P4DataType, P4DataValue, Equatable, CustomStringConvertible {
public static func == (lhs: Control, rhs: Control) -> Bool {
// Two "bare" controls are always equal.
return true
}
public func eq(rhs: any Common.P4Type) -> Bool {
public func eq(rhs: any Common.P4DataType) -> Bool {
return switch rhs {
case is Control: true
default: false
}
}
public func type() -> any Common.P4Type {
public func type() -> any Common.P4DataType {
return self
}
// Any operation between two "bare" parser states is always true.
public func eq(rhs: any Common.P4Value) -> Bool {
public func eq(rhs: any Common.P4DataValue) -> Bool {
return switch rhs {
case is Control: true
default: false
}
}
public func lt(rhs: any Common.P4Value) -> Bool {
public func lt(rhs: any Common.P4DataValue) -> Bool {
return switch rhs {
case is Control: true
default: false
}
}
public func lte(rhs: any Common.P4Value) -> Bool {
public func lte(rhs: any Common.P4DataValue) -> Bool {
return switch rhs {
case is Control: true
default: false
}
}
public func gt(rhs: any Common.P4Value) -> Bool {
public func gt(rhs: any Common.P4DataValue) -> Bool {
return switch rhs {
case is Control: true
default: false
}
}
public func gte(rhs: any Common.P4Value) -> Bool {
public func gte(rhs: any Common.P4DataValue) -> Bool {
return switch rhs {
case is Control: true
default: false
@@ -200,7 +200,7 @@ public struct Control: P4Type, P4Value, Equatable, CustomStringConvertible {
self.table = table
}
public func def() -> any P4Value {
public func def() -> any P4DataValue {
return Control(
named: Identifier(name: ""),
withParameters: ParameterList(),