private static CompileResult ParseFile(SourceProjectFile sourceFile, out AST ast)
{
// If not virtual, make sure the file exists
if (!sourceFile.IsVirtual)
{
if (!File.Exists(sourceFile.Value))
{
ast = null;
return(new CompileResult(false, $"Source file \"{sourceFile.Value}\" not found."));
}
}
// Lex program
Lexer lexer = new Lexer();
LexToken[] tokens = sourceFile.IsVirtual ? lexer.Lex(sourceFile.Value) : lexer.LexFile(sourceFile.Value);
// Build AST and return it
ASTBuilder builder = new ASTBuilder(tokens);
ParsingResult result = builder.Parse();
if (result.Success)
{
ast = builder.Build();
ast.SetSource(sourceFile);
return(new CompileResult(true));
}
else
{
ast = null;
return(new CompileResult(false));
}
}
/// <summary>
/// From source code, generates the assembly via Roslyn and generates the AST from the assembly using the <see cref="IASTBuilder"/>.
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static ASTInfo BuildAST(this string source)
{
IAssemblyProxy assembly = new AsmlDasmlAssemblyLoader(source).Load();
var builder = new ASTBuilder(assembly);
return builder.Build();
}
/// <summary>
/// From source code, generates the assembly via Roslyn and generates the AST from the assembly using the <see cref="IASTBuilder"/>.
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static SyntaxNode ExtractASTRoot(this string source)
{
IAssemblyProxy assembly = new AsmlDasmlAssemblyLoader(source, ScriptNamespaceAttributeHelper.AttributeSourceCode).Load();
var builder = new ASTBuilder(assembly); // ScriptSharp Reflector
var astInfo = builder.Build();
// Getting the AST node
var generatedTree = astInfo.Tree as CSharpSyntaxTree;
if (generatedTree == null)
{
throw new InvalidOperationException("Invalid generated tree");
}
return(generatedTree.GetRoot());
}
public CompiledScript Compile(string source, Options options = Options.None,
IDictionary <string, VariableValue> variables = null)
{
_rpnConverter.Reset();
// Tokenization
var tokens = _lexer.Analyze(source);
// Parse
_tokenParser.Parse(tokens);
// Convert to RPN
_rpnConverter.Convert(_tokenParser.Elements);
// Build AST
var rootNode = ASTBuilder.Build(_rpnConverter.Rpn, options, variables, _functions);
// Optimize
rootNode = rootNode.Optimize();
// Create script wrapper
return(new CompiledScript(rootNode));
}
/// <summary>
/// 编译FireML
/// </summary>
public FireMLRoot CompileFireML()
{
FireMLRoot root = new FireMLRoot();
#region 读取Asset
AssetBuilder assetBuilder = new AssetBuilder(this);
assetBuilder.Build(assetFiles, root);
#endregion
#region 构造AST
ASTBuilder astBuilder = new ASTBuilder(this);
astBuilder.Build(plotFiles, root);
#endregion
#region AST合法性检查
ASTChecker astChecker = new ASTChecker(this);
astChecker.Check(root);
#endregion
#region 生成ID号
IDGenerator idGenerator = new IDGenerator();
idGenerator.Generate(root);
#endregion
#region 资源存在性检查
//ContentChecker contentChecker = new ContentChecker(this);
//contentChecker.Check(root);
#endregion
if (errorList.Count > 0)
return null;
else
return root;
}
public void AST_Build_Fails(List <Element> elements)
{
Assert.Throws <RuntimeException>(() => { ASTBuilder.Build(elements, Compiler.Options.Immutable, null, null); });
}