public CompilerContext(CompilerSettings settings, ReportPrinter reportPrinter)
{
this.settings = settings;
this.report = new Report(this, reportPrinter);
this.builtin_types = new BuiltinTypes();
this.TimeReporter = DisabledTimeReporter;
}
public ReportPrinter SetPrinter(ReportPrinter printer)
{
ReportPrinter old = this.printer;
this.printer = printer;
return(old);
}
public Report (CompilerContext context, ReportPrinter printer)
{
if (context == null)
throw new ArgumentNullException ("settings");
if (printer == null)
throw new ArgumentNullException ("printer");
this.settings = context.Settings;
this.printer = printer;
}
public Report(CompilerContext context, ReportPrinter printer)
{
if (context == null)
{
throw new ArgumentNullException("settings");
}
if (printer == null)
{
throw new ArgumentNullException("printer");
}
this.settings = context.Settings;
this.printer = printer;
}
//
// Prints collected messages, common messages have a priority
//
public bool Merge(ReportPrinter dest)
{
var messages_to_print = merged_messages;
if (common_messages != null && common_messages.Count > 0)
{
messages_to_print = common_messages;
}
if (messages_to_print == null)
{
return(false);
}
bool error_msg = false;
foreach (AbstractMessage msg in messages_to_print)
{
dest.Print(msg, showFullPaths);
error_msg |= !msg.IsWarning;
}
return(error_msg);
}
//
// Parses the string @input and returns a CSharpParser if succeeful.
//
// if @silent is set to true then no errors are
// reported to the user. This is used to do various calls to the
// parser and check if the expression is parsable.
//
// @partial_input: if @silent is true, then it returns whether the
// parsed expression was partial, and more data is needed
//
CSharpParser ParseString(ParseMode mode, string input, out bool partial_input)
{
partial_input = false;
Reset();
var enc = ctx.Settings.Encoding;
var s = new MemoryStream(enc.GetBytes(input));
SeekableStreamReader seekable = new SeekableStreamReader(s, enc);
InputKind kind = ToplevelOrStatement(seekable);
if (kind == InputKind.Error)
{
if (mode == ParseMode.ReportErrors)
{
ctx.Report.Error(-25, "Detection Parsing Error");
}
partial_input = false;
return(null);
}
if (kind == InputKind.EOF)
{
if (mode == ParseMode.ReportErrors)
{
Console.Error.WriteLine("Internal error: EOF condition should have been detected in a previous call with silent=true");
}
partial_input = true;
return(null);
}
seekable.Position = 0;
source_file.DeclarationFound = false;
CSharpParser parser = new CSharpParser(seekable, source_file, new ParserSession());
if (kind == InputKind.StatementOrExpression)
{
parser.Lexer.putback_char = Tokenizer.EvalStatementParserCharacter;
parser.Lexer.parsing_block++;
ctx.Settings.StatementMode = true;
}
else
{
parser.Lexer.putback_char = Tokenizer.EvalCompilationUnitParserCharacter;
ctx.Settings.StatementMode = false;
}
if (mode == ParseMode.GetCompletions)
{
parser.Lexer.CompleteOnEOF = true;
}
ReportPrinter old_printer = null;
if ((mode == ParseMode.Silent || mode == ParseMode.GetCompletions))
{
old_printer = ctx.Report.SetPrinter(new StreamReportPrinter(TextWriter.Null));
}
try {
parser.parse();
} finally {
if (ctx.Report.Errors != 0)
{
if (mode != ParseMode.ReportErrors && parser.UnexpectedEOF)
{
partial_input = true;
}
if (parser.undo != null)
{
parser.undo.ExecuteUndo();
}
parser = null;
}
if (old_printer != null)
{
ctx.Report.SetPrinter(old_printer);
}
}
return(parser);
}
//
// Prints collected messages, common messages have a priority
//
public bool Merge (ReportPrinter dest)
{
var messages_to_print = merged_messages;
if (common_messages != null && common_messages.Count > 0) {
messages_to_print = common_messages;
}
if (messages_to_print == null)
return false;
bool error_msg = false;
foreach (AbstractMessage msg in messages_to_print) {
dest.Print (msg, showFullPaths);
error_msg |= !msg.IsWarning;
}
return error_msg;
}
public ReportPrinter SetPrinter (ReportPrinter printer)
{
ReportPrinter old = this.printer;
this.printer = printer;
return old;
}