public void RecognisesLetStatementWithMoreComplexExpression()
{
classUnderTest.AddToSymbolTable("y", IdentifierKind.Var, null);
classUnderTest.AddToSymbolTable("x", IdentifierKind.Field, null);
classUnderTest.AddToSymbolTable("finished", IdentifierKind.Field, null);
classUnderTest.ParseLetStatement()
.ShouldGenerateXml(@"
<letStatement>
<keyword>let</keyword>
<identifier kind='var' isDefinition='false' number='0'>y</identifier>
<symbol>[</symbol>
<expression>
<term>
<identifier kind='field' isDefinition='false' number='0'>x</identifier>
</term>
<symbol>+</symbol>
<term>
<integerConstant>1</integerConstant>
</term>
</expression>
<symbol>]</symbol>
<symbol>=</symbol>
<expression>
<term>
<symbol>~</symbol>
<term>
<identifier kind='field' isDefinition='false' number='1'>finished</identifier>
</term>
</term>
</expression>
<symbol>;</symbol>
</letStatement>
");
}
public void Setup()
{
classUnderTest = new Grammarian();
classUnderTest.LoadTokens(
new Token(NodeType.Keyword, "do"),
new Token(NodeType.Identifier, "myClass"),
new Token(NodeType.Symbol, "."),
new Token(NodeType.Identifier, "something"),
new Token(NodeType.Symbol, "("),
new Token(NodeType.IntegerConstant, "5"),
new Token(NodeType.Symbol, "+"),
new Token(NodeType.IntegerConstant, "3"),
new Token(NodeType.Symbol, ","),
new Token(NodeType.Identifier, "blah"),
new Token(NodeType.Symbol, ")"),
new Token(NodeType.Symbol, ";")
);
classUnderTest.AddToSymbolTable("blah", IdentifierKind.Argument, null);
classUnderTest.AddToSymbolTable("myClass", IdentifierKind.Field, "MyClass");
}
public void Setup()
{
classUnderTest = new Grammarian();
classUnderTest.LoadTokens(
new Token(NodeType.Keyword, "while"),
new Token(NodeType.Symbol, "("),
new Token(NodeType.Identifier, "inProgress"),
new Token(NodeType.Symbol, ")"),
new Token(NodeType.Symbol, "{"),
new Token(NodeType.Keyword, "let"),
new Token(NodeType.Identifier, "x"),
new Token(NodeType.Symbol, "="),
new Token(NodeType.Identifier, "y"),
new Token(NodeType.Symbol, ";"),
new Token(NodeType.Symbol, "}")
);
classUnderTest.AddToSymbolTable("x", IdentifierKind.Var, null);
classUnderTest.AddToSymbolTable("y", IdentifierKind.Var, null);
classUnderTest.AddToSymbolTable("inProgress", IdentifierKind.Field, null);
}
public void Setup()
{
classUnderTest = new Grammarian();
classUnderTest.LoadTokens(
new Token(NodeType.Keyword, "let"),
new Token(NodeType.Identifier, "x"),
new Token(NodeType.Symbol, "="),
new Token(NodeType.IntegerConstant, "1234"),
new Token(NodeType.Symbol, ";")
);
classUnderTest.AddToSymbolTable("x", IdentifierKind.Var, null);
}
public void Setup()
{
classUnderTest = new Grammarian();
classUnderTest.LoadTokens(
new Token(NodeType.Keyword, "do"),
new Token(NodeType.Identifier, "something"),
new Token(NodeType.Symbol, "("),
new Token(NodeType.Identifier, "x"),
new Token(NodeType.Symbol, ")"),
new Token(NodeType.Symbol, ";")
);
classUnderTest.AddToSymbolTable("x", IdentifierKind.Var, null);
}
public void ParsesCorrectlyWithoutAnElseBlock()
{
classUnderTest.LoadTokens(t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14);
classUnderTest.AddToSymbolTable("x", IdentifierKind.Static, null);
classUnderTest.ParseIfStatement().ShouldGenerateXml(@"
<ifStatement>
<keyword>if</keyword>
<symbol>(</symbol>
<expression>
<term>
<symbol>(</symbol>
<expression>
<term>
<identifier kind='static' isDefinition='false' number='0'>x</identifier>
</term>
<symbol>*</symbol>
<term>
<integerConstant>5</integerConstant>
</term>
</expression>
<symbol>)</symbol>
</term>
<symbol>></symbol>
<term>
<integerConstant>30</integerConstant>
</term>
</expression>
<symbol>)</symbol>
<symbol>{</symbol>
<statements>
<returnStatement>
<keyword>return</keyword>
<symbol>;</symbol>
</returnStatement>
</statements>
<symbol>}</symbol>
</ifStatement>
");
}
public void ShouldParseCorrectlyWithReturnExpression()
{
classUnderTest.LoadTokens(t1, t2, t3);
classUnderTest.AddToSymbolTable("result", IdentifierKind.Var, "ResultClass");
classUnderTest
.ParseReturnStatement()
.ShouldGenerateXml(@"
<returnStatement>
<keyword>return</keyword>
<expression>
<term>
<identifier kind='var' isDefinition='false' number='0' classType='ResultClass'>result</identifier>
</term>
</expression>
<symbol>;</symbol>
</returnStatement>
");
}