public void ProgramParsesGlobalVariableDefinitionWithValue()
{
string code = @"int foo = 5;
int main()
{
}
";
var program = new ProgramNode();
program.AddChild(new VariableDeclarationNode(program, "int", "foo", "5"));
program.AddChild(new FunctionNode(program, "main", new List <FunctionParameter>()));
AssertResultMatchesExpectedProgram(code, program);
}
public void ProgramParsesReturnStatementWithIdentifier()
{
string code = @"int foo = 420;
int main()
{
return foo;
}
";
var program = new ProgramNode();
program.AddChild(new VariableDeclarationNode(program, "int", "foo", "420"));
var function = new FunctionNode(program, "main", new List <FunctionParameter>());
var returnStatement = new ReturnNode(function);
var returnValue = new IdentifierNode(returnStatement, "foo");
returnStatement.AddChild(returnValue);
function.AddChild(returnStatement);
program.AddChild(function);
AssertResultMatchesExpectedProgram(code, program);
}
public void ProgramParsesEmptyMain()
{
string code = @"
int main()
{
}
";
var program = new ProgramNode();
program.AddChild(new FunctionNode(program, "main", new List <FunctionParameter>()));
AssertResultMatchesExpectedProgram(code, program);
}
public void ProgramParsesLocalVariableDefinition()
{
string code = @"
int main()
{
int foo;
}
";
var program = new ProgramNode();
var function = new FunctionNode(program, "main", new List <FunctionParameter>());
function.AddChild(new VariableDeclarationNode(function, "int", "foo", null));
program.AddChild(function);
AssertResultMatchesExpectedProgram(code, program);
}
public void ProgramParsesReturnStatement()
{
string code = @"
int main()
{
return;
}
";
var program = new ProgramNode();
var function = new FunctionNode(program, "main", new List <FunctionParameter>());
var returnStatement = new ReturnNode(function);
function.AddChild(returnStatement);
program.AddChild(function);
AssertResultMatchesExpectedProgram(code, program);
}
private void Program(ProgramNode node)
{
while (!TagIs(Tag.NULL))
{
if (Utils.IsTypeTag(next.Tag))
{
FunctionNode function = new FunctionNode();
node.AddChild(function);
Function(function);
}
else
{
new UnknownTokenError().PrintErrMsg();
Move();
}
}
}
public void ProgramParsesReturnStatementWithUnsignedInteger()
{
string code = @"
int main()
{
return 420u;
}
";
var program = new ProgramNode();
var function = new FunctionNode(program, "main", new List <FunctionParameter>());
var returnStatement = new ReturnNode(function);
var returnValue = new UIntNode(returnStatement, 420u);
returnStatement.AddChild(returnValue);
function.AddChild(returnStatement);
program.AddChild(function);
AssertResultMatchesExpectedProgram(code, program);
}