public static UnivariateFunction Build(string input)
{
var stream = CharStreams.fromstring(input);
var lexer = new EquationGrammarLexer(stream);
var tokenStream = new CommonTokenStream(lexer);
var parser = new EquationGrammarParser(tokenStream);
var listener = new EquationBuilderListener();
var tree = parser.statement();
ParseTreeWalker.Default.Walk(listener, tree);
return(listener.Build());
}
public NonlinearEquationDescription CompileEquations(string text)
{
compilerErrors = new List <ErrorMessage>();
constants = new Dictionary <string, double>();
variables = new Dictionary <string, int>();
variableNames = new List <string>();
initialValues = new List <double>();
FunctionTable.Init();
AntlrInputStream inputStream = new AntlrInputStream(text);
EquationGrammarLexer eqLexer = new EquationGrammarLexer(inputStream);
eqLexer.RemoveErrorListeners();
ErrorListener <int> lexerListener = new ErrorListener <int>();
eqLexer.AddErrorListener(lexerListener);
CommonTokenStream commonTokenStream = new CommonTokenStream(eqLexer);
EquationGrammarParser eqParser = new EquationGrammarParser(commonTokenStream);
ErrorListener <IToken> parserListener = new ErrorListener <IToken>();
eqParser.RemoveErrorListeners();
eqParser.AddErrorListener(parserListener);
EquationGrammarParser.CompileUnitContext eqContext = eqParser.compileUnit();
compilerErrors = lexerListener.GetErrors();
if (compilerErrors.Count > 0)
{
throw new CompilerException(compilerErrors, "Ошибки лексера");
}
compilerErrors = parserListener.GetErrors();
if (compilerErrors.Count > 0)
{
throw new CompilerException(compilerErrors, "Ошибки парсера");
}
GrammarVisitor visitor = new GrammarVisitor();
ASTNode root = visitor.VisitCompileUnit(eqContext);
/*EquationGrammarVisitor visitor = new EquationGrammarVisitor();
* ASTNode root = visitor.VisitCompileUnit(expContext);
* var rootSimple = Compiler.ASTCompiler.validate(root);
* rootSimple = Compiler.ASTCompiler.simplify(rootSimple);
* return compileASTExpression(rootSimple);*/
return(CompileEquations((RootNode)root));
}
