49 lines
1.7 KiB
C#
49 lines
1.7 KiB
C#
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using System.CommandLine;
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using Canon.Console.Models;
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using Canon.Console.Services;
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using Canon.Core.Abstractions;
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using Canon.Core.LexicalParser;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Logging;
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namespace Canon.Console.Extensions;
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public static class RootCommandExtensions
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{
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public static void SetCompile(this RootCommand rootCommand)
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{
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Option<string> sourceFilenameOption = new("--input", "The source pascal filename")
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{
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IsRequired = true
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};
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sourceFilenameOption.AddAlias("-i");
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rootCommand.AddOption(sourceFilenameOption);
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rootCommand.SetHandler(async (context) =>
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{
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string? sourceFilename = context.ParseResult.GetValueForOption(sourceFilenameOption);
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if (sourceFilename is null)
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{
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System.Console.WriteLine("Error: please provide source filename with option '-i'.");
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return;
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}
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HostApplicationBuilder builder = Host.CreateApplicationBuilder();
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builder.Logging.ClearProviders();
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builder.Logging.Services.AddSingleton<ILoggerProvider, CompilerLoggerProvider>();
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builder.Services.AddSingleton<CompilerOption>(
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_ => new CompilerOption { SourceFilename = sourceFilename });
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builder.Services.AddTransient<ILexer, Lexer>();
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builder.Services.AddSingleton<IGrammarParser>(_ => GeneratedGrammarParser.Instance);
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builder.Services.AddHostedService<Compiler>();
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using IHost host = builder.Build();
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await host.RunAsync();
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});
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}
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}
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