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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/Declarations.swift
+13 -12
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@@ -19,34 +19,34 @@ import Common
public struct Declaration {}
public struct FunctionDeclaration: P4Type, P4Value {
public func type() -> any Common.P4Type {
public struct FunctionDeclaration: P4DataType, P4DataValue {
public func type() -> any Common.P4DataType {
return self
}
public func eq(rhs: any Common.P4Type) -> Bool {
public func eq(rhs: any Common.P4DataType) -> Bool {
switch rhs {
case let frhs as FunctionDeclaration:
return frhs.tipe.eq(rhs: self.tipe) && frhs.params == self.params
return frhs.tipe.eq(self.tipe) && frhs.params == self.params
default: return false
}
}
public func eq(rhs: any Common.P4Value) -> Bool {
public func eq(rhs: any Common.P4DataValue) -> Bool {
switch rhs {
case let frhs as FunctionDeclaration: return self.eq(rhs: frhs as P4Type)
case let frhs as FunctionDeclaration: return self.eq(rhs: frhs as P4DataType)
default: return false
}
}
public func lt(rhs: any Common.P4Value) -> Bool {
public func lt(rhs: any Common.P4DataValue) -> Bool {
switch rhs {
case let frhs as FunctionDeclaration: return self.name < frhs.name
default: return false
}
}
public func lte(rhs: any Common.P4Value) -> Bool {
public func lte(rhs: any Common.P4DataValue) -> Bool {
switch rhs {
case let frhs as FunctionDeclaration: return self.name <= frhs.name
default: return false
@@ -54,23 +54,24 @@ public struct FunctionDeclaration: P4Type, P4Value {
}
public func gt(rhs: any Common.P4Value) -> Bool {
public func gt(rhs: any Common.P4DataValue) -> Bool {
switch rhs {
case let frhs as FunctionDeclaration: return self.name > frhs.name
default: return false
}
}
public func gte(rhs: any Common.P4Value) -> Bool {
public func gte(rhs: any Common.P4DataValue) -> Bool {
switch rhs {
case let frhs as FunctionDeclaration: return self.name >= frhs.name
default: return false
}
}
public func def() -> any Common.P4Value {
public func def() -> any Common.P4DataValue {
return FunctionDeclaration(
named: Identifier(name: ""), ofType: P4Boolean(), withParameters: ParameterList([]),
named: Identifier(name: ""), ofType: P4Type(P4Boolean()),
withParameters: ParameterList([]),
withBody: .none)
}