private static List <IntermediateCode> GenerateIntermediateCode(ICodeUnit ast)
{
var generator = new IntermediateCodeGenerator();
var codes = generator.Generate(ast).ToList();
return(codes);
}
public SymbolTable CreateChildScope(ICodeUnit scopeOwner)
{
var scope = new SymbolTable(scopeOwner, this);
children.Add(scope);
return(scope);
}
private SymbolTable GetScope(ICodeUnit ast)
{
var scanner = new ScopeScanner();
ast.Accept(scanner);
return(scanner.SymbolTable);
}
/// <summary>
/// Determines whether the given word is the name of a local variable.
/// </summary>
/// <param name="word">
/// The name to check.
/// </param>
/// <param name="item">
/// The token containing the word.
/// </param>
/// <param name="parent">
/// The code unit that the word appears in.
/// </param>
/// <returns>
/// True if the word is the name of a local variable, false if not.
/// </returns>
private static bool IsLocalMember(string word, CsToken item, ICodeUnit parent)
{
Param.AssertValidString(word, "word");
Param.AssertNotNull(item, "item");
Param.AssertNotNull(parent, "parent");
while (parent != null)
{
// Check to see if the name matches a local variable.
if (ContainsVariable(parent.Variables, word, item))
{
return(true);
}
// If the parent is an element, do not look any higher up the stack than this.
if (parent.CodePartType == CodePartType.Element)
{
break;
}
// Check to see whether the variable is defined within the parent.
parent = parent.Parent as ICodeUnit;
}
return(false);
}
private static void Assert(ICodeUnit ast, int expectedRefCount)
{
var sut = new ReferenceScanner();
ast.Accept(sut);
sut.References.Count.Should().Be(expectedRefCount);
}
/// <summary>
/// Gets example summary text for constructor.
/// </summary>
public static string GetExampleSummaryTextForConstructor(SourceAnalyzer customDocumentationAnalyzer, ICodeUnit constructor)
{
string type = (constructor.Parent is Struct) ? "struct" : "class";
return (string)typeof(DocumentationRules).InvokeMember(
"GetExampleSummaryTextForConstructorType",
BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.InvokeMethod,
null,
customDocumentationAnalyzer,
new object[] { constructor, type });
}
public void AssignNames(ICodeUnit unit)
{
var scanner = new ReferenceScanner();
unit.Accept(scanner);
var references = scanner.References.Distinct();
AssignIdentifiersToImplicityReferences(references);
}
private static IReadOnlyCollection <IntermediateCode> Generate(ICodeUnit unit)
{
var sut = new IntermediateCodeGenerator();
var actual = sut.Generate(unit);
var namer = new ImplicitReferenceNameAssigner();
namer.AssignNames(unit);
return(actual.ToList().AsReadOnly());
}
public IEnumerable <IntermediateCode> Generate(ICodeUnit codeUnit)
{
implicitReferenceCount = 0;
labelCount = 0;
var codeGeneratingVisitor = new CodeUnitGeneratingVisitor();
codeUnit.Accept(codeGeneratingVisitor);
var code = codeGeneratingVisitor.Code;
AssignNames(code.ToList());
return(codeGeneratingVisitor.Code);
}
private static void AssertScope(ICodeUnit expressionNode, SymbolTable expectedScope)
{
var sut = new ScopeScanner();
var nameAssigner = new ImplicitReferenceNameAssigner();
nameAssigner.AssignNames(expressionNode);
expressionNode.Accept(sut);
var actual = sut.SymbolTable;
actual.WithDeepEqual(expectedScope)
.IgnoreProperty(r => r.Name == "Parent")
.Assert();
}
/// <summary>
/// Determines whether the given word is the name of a local variable.
/// </summary>
/// <param name="word">
/// The name to check.
/// </param>
/// <param name="item">
/// The token containing the word.
/// </param>
/// <param name="parent">
/// The code unit that the word appears in.
/// </param>
/// <returns>
/// True if the word is the name of a local variable, false if not.
/// </returns>
private static bool IsLocalMember(string word, CsToken item, ICodeUnit parent)
{
Param.AssertValidString(word, "word");
Param.AssertNotNull(item, "item");
Param.AssertNotNull(parent, "parent");
while (parent != null)
{
// Check to see if the name matches a local variable.
if (ContainsVariable(parent.Variables, word, item))
{
return true;
}
// If the parent is an element, do not look any higher up the stack than this.
if (parent.CodePartType == CodePartType.Element)
{
break;
}
// Check to see whether the variable is defined within the parent.
parent = parent.Parent as ICodeUnit;
}
return false;
}
private void PushScope(ICodeUnit scopeOwner)
{
CurrentSymbolTable = CurrentSymbolTable.CreateChildScope(scopeOwner);
}
private void Save(ICodeUnit codeUnit, SaveICodeUnit saveICodeUnit)
{
if (saveICodeUnit.HasFlag(SaveICodeUnit.IfNotEmpty))
{
if (!saveICodeUnit.HasFlag(SaveICodeUnit.Expressions) && codeUnit.ChildStatements.Count == 0)
{
return;
}
else if (saveICodeUnit.HasFlag(SaveICodeUnit.Expressions) && codeUnit.ChildExpressions.Count == 0)
{
return;
}
}
this.SetMarkBeginOfBlock();
this.cppWriter.WriteLine();
if (!saveICodeUnit.HasFlag(SaveICodeUnit.NoBrackets))
{
this.cppWriter.WriteLine("{");
}
if (!saveICodeUnit.HasFlag(SaveICodeUnit.Expressions))
{
this.Save(codeUnit.ChildStatements);
}
else
{
this.Save(codeUnit.ChildExpressions);
}
if (!saveICodeUnit.HasFlag(SaveICodeUnit.NoBrackets))
{
if (!saveICodeUnit.HasFlag(SaveICodeUnit.NoNewLine))
{
this.cppWriter.WriteLine("}");
}
else
{
this.cppWriter.Write("}");
}
}
this.SetMarkEndOfBlock();
}
void IWriteableCodeUnit.SetParent(ICodeUnit parentCodeUnit)
{
this.parent = parentCodeUnit;
}
public SymbolTable(ICodeUnit owner, SymbolTable parent)
{
Owner = owner ?? throw new ArgumentNullException(nameof(owner));
Parent = parent;
}
private static void GiveNameToImplicitReferences(ICodeUnit ast)
{
var nameAssigner = new ImplicitReferenceNameAssigner();
nameAssigner.AssignNames(ast);
}
/// <summary>
/// The save.
/// </summary>
/// <param name="codeUnit">
/// The code unit.
/// </param>
private void Save(ICodeUnit codeUnit)
{
this.Save(codeUnit, SaveICodeUnit.Statements);
}
/// <summary>
/// Gets example summary text for constructor.
/// </summary>
public static string GetExampleSummaryTextForConstructor(SourceAnalyzer customDocumentationAnalyzer, ICodeUnit constructor)
{
string type = (constructor.Parent is Struct) ? "struct" : "class";
return((string)typeof(DocumentationRules).InvokeMember(
"GetExampleSummaryTextForConstructorType",
BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.InvokeMethod,
null,
customDocumentationAnalyzer,
new object[] { constructor, type }));
}
