public void ReturnsASubroutineDeclaration()
{
classUnderTest
.LoadTokens(sd1, sd2, sd3, sd4, sd5, sd6, sd7, sd8, sd9, sd10, sd11, sd12)
.ParseSubroutineDeclaration()
.ShouldGenerateXml(@"
<subroutineDec>
<keyword>constructor</keyword>
<keyword>void</keyword>
<identifier>doSomething</identifier>
<symbol>(</symbol>
<parameterList>
<keyword>int</keyword>
<identifier>x</identifier>
<symbol>,</symbol>
<identifier>Game</identifier>
<identifier>game</identifier>
</parameterList>
<symbol>)</symbol>
<subroutineBody>
<symbol>{</symbol>
<symbol>}</symbol>
</subroutineBody>
</subroutineDec>
");
}
public void ReturnsASubroutineDeclaration()
{
classUnderTest
.LoadTokens(sd1, sd2, sd3, sd4, sd5, sd6, sd7, sd8, sd9, sd10, sd11, sd12)
.ParseSubroutineDeclaration()
.ShouldGenerateXml(@"
<subroutineDec>
<keyword>constructor</keyword>
<keyword>void</keyword>
<identifier kind='subroutine' isDefinition='true'>doSomething</identifier>
<symbol>(</symbol>
<parameterList>
<keyword>int</keyword>
<identifier kind='argument' isDefinition='true' number='0'>x</identifier>
<symbol>,</symbol>
<identifier kind='class' isDefinition='false'>Game</identifier>
<identifier kind='argument' isDefinition='true' number='1' classType='Game'>game</identifier>
</parameterList>
<symbol>)</symbol>
<subroutineBody>
<symbol>{</symbol>
<symbol>}</symbol>
</subroutineBody>
</subroutineDec>
");
}
public void ReturnsAClassNode()
{
classUnderTest.LoadTokens(t1, t2, t3, t4).ParseClass().ShouldGenerateXml(@"
<class>
<keyword>class</keyword>
<identifier kind='class' isDefinition='true'>blah</identifier>
<symbol>{</symbol>
<symbol>}</symbol>
</class>");
}
public void ShouldParseCorrectlyWithNoReturnValue()
{
classUnderTest.LoadTokens(t1, t3)
.ParseReturnStatement()
.ShouldGenerateXml(@"
<returnStatement>
<keyword>return</keyword>
<symbol>;</symbol>
</returnStatement>
");
}
public void RecognisesStaticClassVariableDeclaration()
{
classUnderTest
.LoadTokens(cvd1, cvd2, cvd3, cvd4, cvd5, cvd6)
.ParseClassVariableDeclaration()
.ShouldGenerateXml(@"
<classVarDec>
<keyword>static</keyword>
<keyword>boolean</keyword>
<identifier kind='static' isDefinition='true' number='0'>hasStarted</identifier>
<symbol>,</symbol>
<identifier kind='static' isDefinition='true' number='1'>hasFinished</identifier>
<symbol>;</symbol>
</classVarDec>
");
}
public void ShouldResetSubroutineSymbolTable()
{
classUnderTest
.LoadTokens(tokens)
.ParseClass()
.ShouldGenerateXml(@"
<class>
<keyword>class</keyword>
<identifier kind='class' isDefinition='true'>MyClass</identifier>
<symbol>{</symbol>
<subroutineDec>
<keyword>function</keyword>
<keyword>void</keyword>
<identifier kind='subroutine' isDefinition='true'>doSomething</identifier>
<symbol>(</symbol>
<parameterList>
<keyword>int</keyword>
<identifier kind='argument' number='0' isDefinition='true'>x</identifier>
</parameterList>
<symbol>)</symbol>
<subroutineBody>
<symbol>{</symbol>
<varDec>
<keyword>var</keyword>
<keyword>boolean</keyword>
<identifier kind='var' number='0' isDefinition='true'>hasStarted</identifier>
<symbol>;</symbol>
</varDec>
<symbol>}</symbol>
</subroutineBody>
</subroutineDec>
<subroutineDec>
<keyword>function</keyword>
<keyword>void</keyword>
<identifier kind='subroutine' isDefinition='true'>doSomethingElse</identifier>
<symbol>(</symbol>
<parameterList>
<keyword>int</keyword>
<identifier kind='argument' number='0' isDefinition='true'>x</identifier>
</parameterList>
<symbol>)</symbol>
<subroutineBody>
<symbol>{</symbol>
<varDec>
<keyword>var</keyword>
<keyword>boolean</keyword>
<identifier kind='var' number='0' isDefinition='true'>hasStarted</identifier>
<symbol>;</symbol>
</varDec>
<symbol>}</symbol>
</subroutineBody>
</subroutineDec>
<symbol>}</symbol>
</class>
");
}
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, ";")
);
}
public void Setup()
{
classUnderTest = new Grammarian();
classUnderTest.LoadTokens(
new Token(NodeType.Identifier, "myClass"),
new Token(NodeType.Symbol, "."),
new Token(NodeType.Identifier, "doSomething"),
new Token(NodeType.Symbol, "("),
new Token(NodeType.IntegerConstant, "5"),
new Token(NodeType.Symbol, ")")
);
}
public void Setup()
{
classUnderTest = new Grammarian();
classUnderTest.LoadTokens(
new Token(NodeType.Identifier, "subroutineName"),
new Token(NodeType.Symbol, "("),
new Token(NodeType.IntegerConstant, "5"),
new Token(NodeType.Symbol, ","),
new Token(NodeType.StringConstant, "rhubarb"),
new Token(NodeType.Symbol, ")")
);
}
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, ";")
);
}
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 ParsesCorrectlyWithoutAnElseBlock()
{
classUnderTest.LoadTokens(t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14);
classUnderTest.ParseIfStatement().ShouldGenerateXml(@"
<ifStatement>
<keyword>if</keyword>
<symbol>(</symbol>
<expression>
<term>
<symbol>(</symbol>
<expression>
<term>
<identifier>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 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, "}")
);
}
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);
}