public static void Format(ICharStream stream, IFormatWriter writer, FormatOptions options)
{
var lexer = new LuaLexer(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new LuaParser(tokens);
tokens.Fill();
var comments = tokens.GetTokens().Where(t => t.Channel == LuaLexer.Hidden);
var spaces = tokens.GetTokens().Where(t => t.Channel == 2);
parser.BuildParseTree = true;
parser.TrimParseTree = false;
IRuleNode root = parser.chunk();
var ctx = new FormatContext(root, comments, spaces, writer, options);
RuleFormatter.Format(root, ctx);
ctx.WriteComments(int.MaxValue);
var allTokens = tokens.GetTokens();
if (allTokens.Count > 0)
{
var lastToken = allTokens[allTokens.Count - 1];
while (ctx.line <= lastToken.Line)
{
ctx.WriteLineBreak();
}
}
tokens.Release(0);
}
public void ParseLua()
{
var inputStream = new AntlrInputStream(@"
do
local t = {}
t[f(1)] = g
t[1] = 5 -- 1st exp
t[2] = 2 -- 2nd exp
t.x = 1
t[3] = f(x) -- 3rd exp
t[30] = 23
t[4] = 45 -- 4th exp
a = t
end
");
var lexer = new LuaLexer(inputStream);
var commonTokenStream = new CommonTokenStream(lexer);
var parser = new LuaParser(commonTokenStream);
var visitor = new CstBuilderForAntlr4(parser);
visitor.Visit(parser.chunk());
Console.WriteLine(visitor.FinishParsing());
}
internal static int LoadChunk(Script script, SourceCode source, ByteCode bytecode, Table globalContext)
{
AntlrErrorListener listener = new AntlrErrorListener(source);
try
{
LuaParser parser = CreateParser(script, new AntlrInputStream(source.Code), source.SourceID, p => p.chunk(), listener);
ScriptLoadingContext lcontext = CreateLoadingContext(script, source);
ChunkStatement stat;
using (script.PerformanceStats.StartStopwatch(Diagnostics.PerformanceCounter.AstCreation))
stat = new ChunkStatement(parser.chunk(), lcontext, globalContext);
int beginIp = -1;
//var srcref = new SourceRef(source.SourceID);
using (script.PerformanceStats.StartStopwatch(Diagnostics.PerformanceCounter.Compilation))
using (bytecode.EnterSource(null))
{
bytecode.Emit_Nop(string.Format("Begin chunk {0}", source.Name));
beginIp = bytecode.GetJumpPointForLastInstruction();
stat.Compile(bytecode);
bytecode.Emit_Nop(string.Format("End chunk {0}", source.Name));
}
Debug_DumpByteCode(bytecode, source.SourceID);
return(beginIp);
}
catch (ParseCanceledException ex)
{
HandleParserError(ex, listener);
throw;
}
}
public void ParseLua() {
var inputStream = new AntlrInputStream(@"
do
local t = {}
t[f(1)] = g
t[1] = 5 -- 1st exp
t[2] = 2 -- 2nd exp
t.x = 1
t[3] = f(x) -- 3rd exp
t[30] = 23
t[4] = 45 -- 4th exp
a = t
end
");
var lexer = new LuaLexer(inputStream);
var commonTokenStream = new CommonTokenStream(lexer);
var parser = new LuaParser(commonTokenStream);
var visitor = new CstBuilderForAntlr4(parser);
visitor.Visit(parser.chunk());
Console.WriteLine(visitor.FinishParsing());
}
