Will Hawkins
aa12974dd6
As a use case, use it to implement text serialization of the CST. Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
76 lines
2.0 KiB
Swift
76 lines
2.0 KiB
Swift
// p4rse, Copyright 2026, Will Hawkins
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//
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// This file is part of p4rse.
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//
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// This file is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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import Common
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import Foundation
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import Macros
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import SwiftTreeSitter
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import Testing
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import TreeSitter
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import TreeSitterP4
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@testable import P4Parser
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@testable import P4CodeGen
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@Test func test_text_serializer() async throws {
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let simple_parser_declaration = """
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parser main_parser(inout int x) {
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state start {
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true;
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transition accept;
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}
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state start {
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transition select (true) {
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true: accept;
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false: reject;
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};
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}
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};
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"""
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let program = try #UseOkResult(compile(simple_parser_declaration))
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let v = CSTTextSerializer()
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let c = CSTTextSerializerContext();
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let vd = CSTVisitorDriver();
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let result = try #UseOkResult((vd.start(program: program, visitor: v, context: c)))
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let expected = """
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Parser Expression
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State: Direct Transition
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Statements:
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Expression Statement:
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Literal Expression
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Next State:
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Identifier: accept
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State: Select Transition
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Select Expression:
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Selector:
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Literal Expression
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Case Expressions:
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Case Expression:
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Keyset Expression:
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Next State:
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Identifier: accept
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Case Expression:
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Keyset Expression:
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Next State:
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Identifier: reject
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"""
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#expect(result.serialized == expected)
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}
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