Files
gp4/Sources/Lang/Program.swift
T
Will Hawkins 3693bdc02d Start Evaluation
Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
2026-02-10 03:37:57 -05:00

47 lines
1.5 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
public struct ExpressionStatement {
public init() {}
}
public struct Program {
public var types: [P4Type] = Array()
/// Find the program's main parser
///
/// Note: For now, the main parser is expected to be named main_parser.
public func starting_parser() -> Result<Parser> {
return self.find_parser(withName: Identifier(name: "main_parser"))
}
public func find_parser(withName name: Identifier) -> Result<Parser> {
for type in self.types {
guard let parser = type as? Parser else {
continue
}
if parser.name == name {
return .Ok(parser)
}
}
return .Error(Error(withMessage: "Could not find parser named \(name)"))
}
public init() {}
}