public int VisitSequentialDeclaration(SequentialDeclaration ast, Frame frame)
{
int extraSize1 = ast.FirstDeclaration.Visit(this, frame);
int extraSize2 = ast.SecondDeclaration.Visit(this, frame.Expand(extraSize1));
return(extraSize1 + extraSize2);
}
public Void VisitSequentialDeclaration(SequentialDeclaration ast, Void arg)
{
//0
ast.firstDeclaration.Visit(this);
ast.secondDeclaration.Visit(this);
return(null);
}
public Void VisitSequentialDeclaration(SequentialDeclaration ast, Void arg)
{
ast.FirstDeclaration.Visit(this, null);
ast.SecondDeclaration.Visit(this, null);
return(null);
}
///////////////////////////////////////////////////////////////////////////////
//
// DECLARATIONS
//
///////////////////////////////////////////////////////////////////////////////
/**
* Parses the declaration, and constructs an AST to represent its phrase
* structure.
*
* @return a {@link triangle.compiler.syntax.trees.declarations.Declaration}
*
* @throws SyntaxError
* a syntactic error
*
*/
Declaration ParseDeclaration()
{
var startLocation = _currentToken.Start;
var declaration = ParseSingleDeclaration();
while (_currentToken.Kind == TokenKind.Semicolon)
{
AcceptIt();
var declaration2 = ParseSingleDeclaration();
var declarationPosition = new SourcePosition(startLocation, _currentToken.Finish);
declaration = new SequentialDeclaration(declaration, declaration2, declarationPosition);
}
return(declaration);
}
///////////////////////////////////////////////////////////////////////////////
//
// DECLARATIONS
//
///////////////////////////////////////////////////////////////////////////////
/**
* Parses the declaration, and constructs an AST to represent its phrase
* structure.
*
* @return a {@link triangle.compiler.syntax.trees.declarations.Declaration}
*
* @throws SyntaxError
* a syntactic error
*
*/
Declaration ParseDeclaration()
{
Compiler.WriteDebuggingInfo("Parsing Declaration");
Location startLocation = tokens.Current.Start;
Declaration declaration = ParseSingleDeclaration();
while (tokens.Current.Kind == TokenKind.Semicolon)
{
AcceptIt();
Declaration declarationinWhile = ParseSingleDeclaration();
SourcePosition declarationPosition = new SourcePosition(startLocation, tokens.Current.Finish);
declaration = new SequentialDeclaration(declaration, declarationinWhile, declarationPosition);
}
return(declaration);
}
public object visitSequentialDeclaration(SequentialDeclaration declaration, object arg)
{
declaration._declaration1.visit(this, null);
declaration._declaration2.visit(this, null);
return(null);
}