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Runtime Work

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Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
This commit is contained in:
Will Hawkins
2026-01-23 23:30:28 -05:00
parent f9ed3e7fbd
commit d6d5cc8df7
10 changed files with 532 additions and 137 deletions
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Tests/p4lmTests/RuntimeTests.swift
+32 -10
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@@ -1,5 +1,6 @@
import Foundation
import P4
import P4Macros
import SwiftTreeSitter
import Testing
import TreeSitter
@@ -17,11 +18,8 @@ import TreeSitterP4
}
"""
let program = try #require(Parser.Program(simple_parser_declaration))
let runtime = P4.ParserRuntime()
#expect(runtime.run(program: program.parsers[0], input: P4.Packet()) == P4.Result.Ok)
let program = try #UseOkResult(Parser.Program(simple_parser_declaration))
#expect(#RequireOkResult(P4.ParserRuntime.create(program: program.parsers[0])))
}
@Test func test_simple_runtime_no_start_state() async throws {
@@ -34,10 +32,34 @@ import TreeSitterP4
}
"""
let program = try #require(Parser.Program(simple_parser_declaration))
let program = try #UseOkResult(Parser.Program(simple_parser_declaration))
#expect(
P4.ParserRuntime().run(program: program.parsers[0], input: P4.Packet())
== Result.Error(Error(withMessage: "Could not find the start state")))
#RequireErrorResult<ParserRuntime>(
Error(withMessage: "Could not find the start state"),
P4.ParserRuntime.create(program: program.parsers[0])))
}
@Test func test_simple_runtime_output() async throws {
let simple_parser_declaration = """
parser simple() {
state start {
bool b = true;
transition reject;
}
}
"""
/*
TODO: Add tests for "semantic" parsing failures. Here's an example!
print(Parser.Program(simple_parser_declaration))
#expect(
#RequireErrorResult(
Error(
withMessage:
"Failed to parse a local element: <capture 1 \"state-local-elements\": <parserLocalElements range: {42, 14} childCount: 2>>"
), Parser.Program(simple_parser_declaration)))
*/
let program = try #UseOkResult(Parser.Program(simple_parser_declaration))
let runtime = try #UseOkResult(P4.ParserRuntime.create(program: program.parsers[0]))
#expect(runtime.run(input: P4.Packet()) == P4.Result.Ok(Nothing()))
}