public void BuildIfStatement()
{
var grammer = new AndyStructuralGrammar();
var p = new ParserState("if");
Assert.That(grammer.if_keyword.Match(p), Is.True);
p = new ParserState("if()");
var rule = grammer.if_keyword + grammer.Delimiter("(") + grammer.Delimiter(")");
Assert.That(rule.Match(p), Is.True);
p = new ParserState("if (a == b)");
Assert.That(grammer.if_condition.Match(p), Is.True);
p = new ParserState("if(a == 10){a=20;}");
var if_block = grammer.if_condition + grammer.block;
Assert.That(if_block.Match(p), Is.True);
p = new ParserState("if(a == 10){a=20;}");
if_block = grammer.if_condition + new RecursiveRule(() => grammer.block);
Assert.That(if_block.Match(p), Is.True);
p = new ParserState("if(a == 10){a=20;}");
Assert.That(grammer.control_statement.Match(p), Is.True);
}
public void Integer(string integer, bool expected)
{
var grammer = new AndyStructuralGrammar();
var p = new ParserState(integer);
Assert.That(grammer.int_literal.Match(p), Is.EqualTo(expected));
}
public void BuildWhileStatement()
{
var grammer = new AndyStructuralGrammar();
var p = new ParserState("while");
Assert.That(grammer.while_keyword.Match(p), Is.True);
p = new ParserState("while()");
var rule = grammer.while_keyword + grammer.Delimiter("(") + grammer.Delimiter(")");
Assert.That(rule.Match(p), Is.True);
p = new ParserState("while (a == b)");
Assert.That(grammer.while_condition.Match(p), Is.True);
p = new ParserState("while(a == 10){a=20;}");
var while_block = grammer.while_condition + grammer.block;
Assert.That(while_block.Match(p), Is.True);
p = new ParserState("while(a == 10){a=20;}");
Assert.That(grammer.while_statement.Match(p), Is.True);
p = new ParserState("while(a == 10){a=20;}");
Assert.That(grammer.control_statement.Match(p), Is.True);
}
public void ControlFlow(string source, uint result)
{
var grammar = new AndyStructuralGrammar();
var parserState = new ParserState(source);
var parseResult = grammar.block.Match(parserState);
Assert.That(parseResult, Is.True);
var compiler = new Andy.TinyOS.Compiler.Compiler(grammar, parserState);
var program = compiler.Compile();
var cpu = new Cpu();
var r = Run(program, cpu);
Assert.That(r.ExitCode, Is.EqualTo(result));
var variable = cpu.Ram.GetStream(r.GlobalData.Pages.First());
using (var reader = new BinaryReader(variable))
{
var value = reader.ReadUInt32();
Assert.That(value, Is.EqualTo(result));
}
}
public void Expression(string integer, bool expected)
{
var grammer = new AndyStructuralGrammar();
var printer = new CppStructuralOutputAsXml();
var p = new ParserState(integer);
Assert.That(grammer.expression.Match(p), Is.EqualTo(expected));
printer.Print(p.GetRoot());
Console.WriteLine(printer.AsXml());
}
public void Variable(string expression, bool expected)
{
var grammer = new AndyStructuralGrammar();
var printer = new CppStructuralOutputAsXml();
var p = new ParserState(expression);
Assert.That(grammer.identifier.Match(p), Is.EqualTo(expected));
printer.Print(p.GetRoot());
Console.WriteLine(printer.AsXml());
}
public Compiler(AndyStructuralGrammar grammar, ParserState parserState)
{
_grammar = grammar;
var rules = grammar.GetRules <AndyStructuralGrammar>(throwOnMissing: false);
rules = rules.Concat(grammar.GetRules <AndyBaseGrammar>(throwOnMissing: false));
_codeGenerator = rules
.Distinct()
.ToDictionary(k => k, GetCodeGenerator);
_root = parserState.GetRoot();
}
public void SingleExpression(string source, uint result)
{
var grammar = new AndyStructuralGrammar();
var parserState = new ParserState(source);
var parseResult = grammar.expression.Match(parserState);
Assert.That(parseResult, Is.True);
var compiler = new Andy.TinyOS.Compiler.Compiler(grammar, parserState);
var program = compiler.Compile();
var r = Run(program, new Cpu());
Assert.That(r.ExitCode, Is.EqualTo(result));
}
public void BuildElseStatement()
{
var grammer = new AndyStructuralGrammar();
var p = new ParserState("else");
Assert.That(grammer.else_keyword.Match(p), Is.True);
p = new ParserState("else { b=10; }");
Assert.That(grammer.else_block.Match(p), Is.True);
p = new ParserState("if(a == 10){a=20;}");
var if_block = grammer.if_condition + grammer.block + new OptRule(grammer.else_block);
Assert.That(if_block.Match(p), Is.True);
p = new ParserState("if(a == 10){a=20;}else{b=10;}");
Assert.That(if_block.Match(p), Is.True);
p = new ParserState("if(a == 10){ a=20; } else { b=10; }");
Assert.That(grammer.if_statement.Match(p), Is.True);
}
