public void Visit(CodeBlockAstNode visitable)
{
_context.CreateScope();
foreach (var statement in visitable.Statements)
{
Visit(statement);
}
_context.DestroyScope();
}
public void TestCodeBlock(CodeBlockAstNode expect, CodeBlockAstNode actual,
string traceMessage)
{
Assert.AreEqual(expect.Statements.Length, actual.Statements.Length);
var len = expect.Statements.Length;
for (var i = 0; i < len; i++)
{
TestGeneral(expect.Statements[i], actual.Statements[i],
$"{traceMessage} -> statements[{i}]");
}
}
public void Visit(CodeBlockAstNode visitable)
{
throw new System.NotImplementedException();
}
public void TestParseAst1()
{
using var sourceStream = new FileStream("TestCode/TestParse1.rbl",
FileMode.Open);
ILanguageLexer lexer = new RbLexer(sourceStream);
ILanguageParser parser = new RbParser(lexer);
var actualAst = parser.Parse();
var expectedAst = new CodeBlockAstNode(new BasicAstNode[] {
new FunctionAstNode(
new FunctionPrototypeAstNode(
new[] {
new FunctionParameter("str", "s")
}, "WriteLine", "void", new[] { "@import" }
), null
),
new VariableDefineAstNode("str", "greeting",
new StringAstNode("\"Hello world!\\nI'm running on CLR!\"")),
new FunctionAstNode(
new FunctionPrototypeAstNode(
new[] {
new FunctionParameter("i64", "n")
}, "fib", "i64", null
), new CodeBlockAstNode(
new BasicAstNode[] {
new IfElseAstNode(
new BinaryOperatorAstNode("==",
new IdentifierAstNode("n"),
new IntegerAstNode(1)),
new CodeBlockAstNode(new BasicAstNode[] {
new ReturnAstNode(new IntegerAstNode(1))
}), null
),
new ReturnAstNode(new BinaryOperatorAstNode("*",
new IdentifierAstNode("n"),
new FunctionCallingAstNode("fib", new BasicAstNode[] {
new BinaryOperatorAstNode("-",
new IdentifierAstNode("n"), new IntegerAstNode(1))
})
))
}
)
),
new FunctionAstNode(
new FunctionPrototypeAstNode(
new[] {
new FunctionParameter("str", "s")
}, "foo", "i64", null
), new CodeBlockAstNode(new BasicAstNode[] {
new FunctionCallingAstNode("WriteLine",
new BasicAstNode[] { new IdentifierAstNode("s") }),
new VariableDefineAstNode("i64", "isNull",
new BinaryOperatorAstNode("+",
new IntegerAstNode(10),
new UnaryOperatorAstNode("not",
new UnaryOperatorAstNode("address_of",
new IdentifierAstNode("s")
)
)
)
),
new ReturnAstNode(
new FunctionCallingAstNode("fib", new BasicAstNode[] {
new IntegerAstNode(10)
}))
})
),
new FunctionCallingAstNode("foo", new BasicAstNode[] {
new IdentifierAstNode("greeting")
})
});
var tester = new TestAstHelper(expectedAst, actualAst);
tester.Test();
}
