public void Test()
{
var parser = new Parser(new Lexer(Tokens.All));
parser.ConstructTree(
@"Foo when pinged print ""Hello"".
Pinger
listen on port 9876
count every 1 second
when error print ""Foo""
when starting ping Foo
when pinged
ping FooBar
reset counter
send ""Foo"" to port 1111
end
when counter > 10
wait 1 second
print ""Foo""
end
when message print ""Foo""."
);
parser.AST.Children.Count.ShouldEqual(2);
var pinger = parser.AST.Children[1];
pinger.Children.Count.ShouldEqual(7);
pinger.Children[0].Token.Type.ShouldEqual(Tokens.LISTEN);
pinger.Children[0].Children[0].Token.Text.ShouldEqual("9876");
pinger.Children[1].Token.Type.ShouldEqual(Tokens.COUNT);
pinger.Children[1].Children[0].Token.Text.ShouldEqual("1");
pinger.Children[1].Children[1].Token.Text.ShouldEqual("second");
pinger.Children[2].Token.Type.ShouldEqual(Tokens.WHEN);
pinger.Children[2].Children[0].Token.Type.ShouldEqual(Tokens.ERROR);
pinger.Children[2].Children[1].Token.Type.ShouldEqual(Tokens.PRINT);
pinger.Children[2].Children[1].Children[0].Token.Type.ShouldEqual(Tokens.STRING);
pinger.Children[3].Token.Type.ShouldEqual(Tokens.WHEN);
pinger.Children[3].Children[0].Token.Type.ShouldEqual(Tokens.STARTING);
pinger.Children[3].Children[1].Token.Type.ShouldEqual(Tokens.PING);
pinger.Children[3].Children[1].Children[0].Token.Type.ShouldEqual(Tokens.ID);
pinger.Children[4].Token.Type.ShouldEqual(Tokens.WHEN);
pinger.Children[4].Children[0].Token.Type.ShouldEqual(Tokens.PINGED);
pinger.Children[4].Children[1].Token.Type.ShouldEqual(Tokens.PING);
pinger.Children[4].Children[1].Children[0].Token.Text.ShouldEqual("FooBar");
pinger.Children[4].Children[2].Token.Type.ShouldEqual(Tokens.RESET);
pinger.Children[4].Children[3].Token.Type.ShouldEqual(Tokens.SEND);
pinger.Children[4].Children[3].Children[0].Token.Type.ShouldEqual(Tokens.STRING);
pinger.Children[4].Children[3].Children[1].Token.Type.ShouldEqual(Tokens.INT);
pinger.Children[5].Children[0].Token.Type.ShouldEqual(Tokens.COUNTER);
pinger.Children[5].Children[0].Children[0].Token.Text.ShouldEqual(">");
pinger.Children[5].Children[0].Children[1].Token.Text.ShouldEqual("10");
pinger.Children[5].Children[1].Token.Type.ShouldEqual(Tokens.WAIT);
pinger.Children[5].Children[1].Children[0].Token.Text.ShouldEqual("1");
}
public void Test_unexpected_count_units()
{
typeof(Exception).ShouldBeThrownBy(() =>
{
var parser = new Parser(new Lexer(Tokens.All));
parser.ConstructTree(
@"Pinger
count every 2 months."
);
},
ex => ex.Message.Equals("Unexpected unit literal <ID,\"months\">"));
}
public void Test_unexpected_event()
{
typeof(Exception).ShouldBeThrownBy(() =>
{
var parser = new Parser(new Lexer(Tokens.All));
parser.ConstructTree(
@"Pinger
listen on port 9876
when earthquake print ""Foo""."
);
},
ex => ex.Message.Equals("Unexpected event spec <ID,\"earthquake\">"));
}
public void Test_unexpected_actor_body()
{
typeof(Exception).ShouldBeThrownBy(() =>
{
var parser = new Parser(new Lexer(Tokens.All));
parser.ConstructTree(
@"Pinger
listen on port 9876
do something usefull
when message print ""Foo""."
);
},
ex => ex.Message.Equals("Unexpected actor body <ID,\"do\">"));
}
public void Tiny()
{
var parser = new Parser(new Lexer(Tokens.All));
parser.ConstructTree(
@"Ponger when pinged print ""Pong""."
);
parser.AST.Children.Count.ShouldEqual(1);
var actor = parser.AST.Children[0];
actor.Token.Type.ShouldEqual(Tokens.ID);
actor.Token.Text.ShouldEqual("Ponger");
var eventHandler = actor.Children[0];
eventHandler.Token.Type.ShouldEqual(Tokens.WHEN);
eventHandler.Children[0].Token.Type.ShouldEqual(Tokens.PINGED);
eventHandler.Children[1].Token.Type.ShouldEqual(Tokens.PRINT);
eventHandler.Children[1].Children[0].Token.Text.ShouldEqual("\"Pong\"");
}
public void Test()
{
var parser = new Parser(new Lexer(Tokens.All));
parser.ConstructTree(
@"Pinger
listen on port 9876
count every 1 second
when error print ""Foo""
when starting ping Foo
when pinged
ping FooBar
reset counter
send ""Foo"" to port 1111
end
when counter > 10
wait 1 second
print ""Foo"" 12345
end
when message print ""Foo""."
);
}
public void Test_unexpected_event_body()
{
typeof(Exception).ShouldBeThrownBy(() =>
{
var parser = new Parser(new Lexer(Tokens.All));
parser.ConstructTree(
@"Pinger
listen on port 9876
when message poop ""Foo""."
);
},
ex => ex.Message.Equals("Unexpected action <ID,\"poop\">"));
}
public void Tiny()
{
var parser = new Parser(new Lexer(Tokens.All));
parser.ConstructTree(
@"Ponger when pinged print ""Pong""."
);
}
private AST ParseScript()
{
var parser = new Parser(new Lexer(Tokens.All));
parser.ConstructTree(File.ReadAllText(Script.Path));
return parser.AST;
}