Will Hawkins
94086c8e17
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>
85 lines
2.7 KiB
Swift
85 lines
2.7 KiB
Swift
// p4rse, Copyright 2026, Will Hawkins
|
|
//
|
|
// This file is part of p4rse.
|
|
//
|
|
// This file is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
import Common
|
|
import P4Lang
|
|
import P4Runtime
|
|
import SwiftTreeSitter
|
|
import TreeSitterExtensions
|
|
import TreeSitterP4
|
|
|
|
extension P4Boolean: CompilableType {
|
|
public static func CompileType(
|
|
type: SwiftTreeSitter.Node, withContext: CompilerContext
|
|
) -> Common.Result<(any Common.P4DataType)?> {
|
|
return type.text == "bool" ? .Ok(P4Boolean()) : .Ok(.none)
|
|
}
|
|
}
|
|
|
|
extension P4Int: CompilableType {
|
|
public static func CompileType(
|
|
type: SwiftTreeSitter.Node, withContext: CompilerContext
|
|
) -> Common.Result<(any Common.P4DataType)?> {
|
|
return type.text == "int" ? .Ok(P4Int()) : .Ok(.none)
|
|
}
|
|
}
|
|
|
|
extension P4String: CompilableType {
|
|
public static func CompileType(
|
|
type: SwiftTreeSitter.Node, withContext: CompilerContext
|
|
) -> Common.Result<(any Common.P4DataType)?> {
|
|
return type.text == "string" ? .Ok(P4String()) : .Ok(.none)
|
|
}
|
|
}
|
|
|
|
extension P4Struct: CompilableType {
|
|
public static func CompileType(
|
|
type: SwiftTreeSitter.Node, withContext context: CompilerContext
|
|
) -> Common.Result<(any Common.P4DataType)?> {
|
|
|
|
let maybe_parsed_type_id = Identifier.Compile(node: type, withContext: context)
|
|
guard case .Ok(let parsed_type_id) = maybe_parsed_type_id else {
|
|
return .Error(maybe_parsed_type_id.error()!)
|
|
}
|
|
|
|
if case .Ok(let found_type) = context.types.lookup(identifier: parsed_type_id),
|
|
let found_struct_type = found_type as? P4Struct
|
|
{
|
|
return .Ok(found_struct_type)
|
|
}
|
|
return .Ok(.none)
|
|
}
|
|
}
|
|
|
|
public struct Types {
|
|
static func CompileType(
|
|
type: SwiftTreeSitter.Node, withContext context: CompilerContext
|
|
) -> Result<P4Type> {
|
|
let type_parsers: [CompilableType.Type] = [
|
|
P4Boolean.self, P4Int.self, P4String.self, P4Struct.self,
|
|
]
|
|
for type_parser in type_parsers {
|
|
switch type_parser.CompileType(type: type, withContext: context) {
|
|
case .Ok(.some(let type)): return .Ok(P4Type(type))
|
|
case .Ok(.none): continue
|
|
case .Error(let e): return .Error(e)
|
|
}
|
|
}
|
|
return Result.Error(Error(withMessage: "Type name not recognized"))
|
|
}
|
|
}
|