public void AstTraverser_GivenANodeType_CallsProcess()
{
// Arrange:
var tally = InitTally();
var tracer = new Mock <IDebugTracer>().Object;
var traverser = new AstTraverser(tracer);
traverser.ProcessNode += node => tally[node.AstNodeType]++;
var tree = BuildTree(tracer);
// Act:
traverser.Traverse(tree);
// Assert:
Assert.That(tally[AstNodeType.Syntax], Is.EqualTo(1));
Assert.That(tally[AstNodeType.Statement], Is.EqualTo(2));
Assert.That(tally[AstNodeType.Expression], Is.EqualTo(5));
Assert.That(tally[AstNodeType.Term], Is.EqualTo(7));
Assert.That(tally[AstNodeType.Factor], Is.EqualTo(8));
Assert.That(tally[AstNodeType.ProdRef], Is.EqualTo(4));
Assert.That(tally[AstNodeType.Terminal], Is.EqualTo(1));
Assert.That(tally[AstNodeType.Paren], Is.EqualTo(1));
Assert.That(tally[AstNodeType.Option], Is.EqualTo(1));
Assert.That(tally[AstNodeType.KleeneStar], Is.EqualTo(1));
Assert.That(tally[AstNodeType.Action], Is.EqualTo(10));
}
static void Main(string[] args)
{
var loggerFactory = LoggerFactory.Create(builder =>
{
builder.ClearProviders();
});
var nullLogger = loggerFactory.CreateLogger("NULL");
var tracer = new DebugTracer(nullLogger);
using var inStream = new FileStream(args[0], FileMode.Open);
inStream.Seek(0, SeekOrigin.Begin);
var scanner = new Scanner.Scanner(inStream);
var astBuilder = new AstBuilder(new AstNodeFactory(tracer),
new ProdInfoFactory(tracer),
new Stack <IAstNode>(), tracer);
var parser = new Parser.Parser(scanner, astBuilder);
var rootNode = parser.ParseGoal();
var traverser = new AstTraverser(tracer);
var outFileName = Path.GetDirectoryName(args[0]) + "\\Parser.cs";
using var outStream = new FileStream(outFileName, FileMode.Create);
using var streamWriter = new StreamWriter(outStream);
var gen = new CSharpGenerator(traverser, streamWriter);
gen.Run(rootNode);
}
public void Test01()
{
var loggerFactory = LoggerFactory.Create(builder =>
{
builder
.AddFilter("ASTBuilder", LogLevel.Warning)
.AddFilter("ASTTraverser", LogLevel.Warning)
.AddFilter("CSGEN", LogLevel.Trace)
.AddDebug();
});
var builderLogger = loggerFactory.CreateLogger("ASTBuilder");
var builderTracer = new DebugTracer(builderLogger);
var encoding = new UTF8Encoding();
using var stream = new MemoryStream();
stream.Write(encoding.GetBytes(TestCase1B));
stream.Seek(0, SeekOrigin.Begin);
var scanner = new Scanner.Scanner(stream);
var astBuilder = new AstBuilder(new AstNodeFactory(builderTracer),
new ProdInfoFactory(builderTracer), new Stack <IAstNode>(), builderTracer);
var parser = new Parser.Parser(scanner, astBuilder);
var rootNode = parser.ParseGoal();
var traverserLogger = loggerFactory.CreateLogger("ASTTraverser");
var traverserTracer = new DebugTracer(traverserLogger);
var traverser = new AstTraverser(traverserTracer);
var output = new MemoryStream();
var streamWriter = new StreamWriter(stream);
var gen = new CSharpGenerator(traverser, streamWriter);
gen.Run(rootNode);
}
