public static ParserState Parse(string source, IAbstractSyntaxTreePrinter printer = null, Rule rule = null)
{
if (rule == null)
rule = _grammar.file;
var state = new ParserState(source);
try
{
if (rule.Match(state))
{
if (state.AtEndOfInput())
{
if (printer != null)
printer.Print(state.GetRoot());
return state;
}
throw new ParsingException(state, rule, message: "Failed to read end of input");
}
throw new ParsingException(state, rule, message: "Failed to parse source");
}
catch (ParsingException e)
{
return state.Exception(e);
}
}
public static ParserState Parse(string source, IAbstractSyntaxTreePrinter printer = null, Rule rule = null)
{
if (rule == null)
{
rule = _grammar.file;
}
var state = new ParserState(source);
try
{
if (rule.Match(state))
{
if (state.AtEndOfInput())
{
if (printer != null)
{
printer.Print(state.GetRoot());
}
return(state);
}
throw new ParsingException(state, rule, message: "Failed to read end of input");
}
throw new ParsingException(state, rule, message: "Failed to parse source");
}
catch (ParsingException e)
{
return(state.Exception(e));
}
}
public static CppRipper.ParseNode GenerateCppAst(string cppContent, out string status)
{
CppStructuralGrammar grammar = new CppStructuralGrammar();
Rule parse_rule = grammar.file;
ParserState state = new ParserState(cppContent);
try
{
if (!parse_rule.Match(state))
{
status = "Failed to parse c++ content";
return(null);
}
else
{
if (state.AtEndOfInput())
{
status = "Successfully parsed c++ content";
return(state.GetRoot());
}
else
{
status = "Failed to read end of c++ content";
return(null);
}
}
}
catch (ParsingException e)
{
state.ForceCompletion();
status = e.Message;
return(null);
}
}
public void ParseConstant(string value, bool expected)
{
var grammer = new AsmBaseGrammar();
var p = new ParserState(value);
Assert.That(grammer.constant.Match(p), Is.EqualTo(expected));
ParseNode node = p.GetRoot();
Console.WriteLine(node.Value);
}
public void Expression(string integer, bool expected)
{
var grammer = new AndyStructuralGrammar();
var printer = new CppStructuralOutputAsXml();
var p = new ParserState(integer);
Assert.That(grammer.expression.Match(p), Is.EqualTo(expected));
printer.Print(p.GetRoot());
Console.WriteLine(printer.AsXml());
}
public void Variable(string expression, bool expected)
{
var grammer = new AndyStructuralGrammar();
var printer = new CppStructuralOutputAsXml();
var p = new ParserState(expression);
Assert.That(grammer.identifier.Match(p), Is.EqualTo(expected));
printer.Print(p.GetRoot());
Console.WriteLine(printer.AsXml());
}
public void ParseLine(string value, bool expected)
{
var grammer = new AsmStructuralGrammar();
var p = new ParserState(value);
Assert.That(grammer.line.Match(p), Is.EqualTo(expected));
var printer = new CppStructuralOutputAsXml();
printer.Print(p.GetRoot());
Console.WriteLine(printer.AsXml());
}
public void ParseOpCode(string value, bool expected)
{
var grammer = new AsmBaseGrammar();
var printer = new CppStructuralOutputAsXml();
var p = new ParserState(value);
Assert.That(grammer.opcode.Match(p), Is.EqualTo(expected));
ParseNode node = p.GetRoot();
Console.WriteLine(node.Value);
}
public Assembler(string source) : this()
{
var parser = new ParserState(source);
bool match = _grammar.program.Match(parser);
if (match == false)
{
throw new Exception("Cannot parse source file");
}
_root = parser.GetRoot();
}
public Compiler(AndyStructuralGrammar grammar, ParserState parserState)
{
_grammar = grammar;
var rules = grammar.GetRules <AndyStructuralGrammar>(throwOnMissing: false);
rules = rules.Concat(grammar.GetRules <AndyBaseGrammar>(throwOnMissing: false));
_codeGenerator = rules
.Distinct()
.ToDictionary(k => k, GetCodeGenerator);
_root = parserState.GetRoot();
}
public void OpenFile(string file)
{
var grammar = new AsmStructuralGrammar();
file = string.Concat(_testPaths[Environment.MachineName], file);
var outputFile = Path.ChangeExtension(file, ".asm");
using (var stringWriter = File.CreateText(outputFile))
using (var writer = new InstructionTextWriter(stringWriter))
{
string source = File.ReadAllText(file);
var parser = new ParserState(source);
var result = grammar.program.Match(parser);
Assert.That(result, Is.True);
var printer = new CppStructuralOutputAsXml();
printer.Print(parser.GetRoot());
Console.WriteLine(printer.AsXml());
var assembler = new Assembler(parser);
assembler.Assemble().ToList().ForEach(writer.Write);
}
}
public Assembler(ParserState parser) : this()
{
_root = parser.GetRoot();
}