Will Hawkins
119 lines
3.4 KiB
Swift
119 lines
3.4 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 Runtime
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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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import P4Lang
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@testable import P4Compiler
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@Test func test_simple_parser_syntax_error() async throws {
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let simple_parser_declaration = """
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parser main_parser() {
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state
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transition start;
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}
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};
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"""
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#expect(
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#RequireErrorResult(
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Error(withMessage: "Could not compile the P4 program"),
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Program.Compile(simple_parser_declaration)))
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}
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@Test func test_simple_compilation_with_statement() async throws {
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let simple_parser_declaration = """
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parser main_parser() {
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state start {
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true;
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transition start;
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}
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};
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"""
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let program = try #UseOkResult(Program.Compile(simple_parser_declaration))
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let parser = try #UseOkResult(program.find_parser(withName: Identifier(name: "main_parser")))
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#expect(parser.states.count() == 1)
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let state = try! #require(parser.states.find(withIdentifier: Identifier(name: "start")))
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#expect(state.state == Identifier(name: "start"))
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#expect(state.statements.count == 1)
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}
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@Test func test_simple_compilation_with_instantiation() async throws {
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let simple_parser_declaration = """
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parser main_parser() {
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state start {
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true;
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false;
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transition start;
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}
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};
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bool() main;
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"""
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let program = try #UseOkResult(Program.Compile(simple_parser_declaration))
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#expect(#RequireOkResult(program.find_parser(withName: Identifier(name: "main_parser"))))
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}
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@Test func test_invalid_transition_expression_keyset_expressions() async throws {
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let simple_parser_declaration = """
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parser main_parser() {
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state start {
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transition select (false) {
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asdf: reject;
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asde: reject;
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};
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}
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};
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"""
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let compilation_error = try #UseErrorResult(Program.Compile(simple_parser_declaration))
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#expect(compilation_error.msg.contains("asde"))
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#expect(compilation_error.msg.contains("asdf"))
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}
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@Test func test_simple_compiler_macro_nodetype_test() async throws {
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let simple = """
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parser main_parser() {
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state start {
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transition select (false) {
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asdf: reject;
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asde: reject;
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};
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}
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};
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"""
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let p = try! #UseOkResult(ConfigureP4Parser())
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let result = try! #require(p.parse(simple))
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#expect(
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#RequireErrorResult<(EvaluatableStatement, CompilerContext)>(
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Error(withMessage: "{2, 154}: Did not find assignment statement"),
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ParserAssignmentStatement.Compile( // Note: Calling ParserAssignmentStatement compilation directly.
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node: result.rootNode!, withContext: CompilerContext(withNames: LexicalScopes()))))
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}
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