} /* end ParseInfoRequest */
/* ---------------------------------------------------------------------------
* private method ParseCompilationRequest(sym)
* ---------------------------------------------------------------------------
* compilationRequest :
* dialect? products? capabilities? sourceFile diagnostics?
* ;
* ------------------------------------------------------------------------ */
private static ArgumentToken ParseCompilationRequest(ArgumentToken sym)
{
if (ArgumentLexer.IsDialectOption(sym))
{
sym = ParseDialect(sym);
} /* end */
if (ArgumentLexer.IsProductOption(sym))
{
sym = ParseProducts(sym);
} /* end */
if (ArgumentLexer.IsCapabilityOption(sym))
{
sym = ParseCapabilities(sym);
} /* end */
if (sym == ArgumentToken.SOURCE_FILE)
{
sym = ParseSourceFile(sym);
}
else
{
ReportMissingSourceFile();
} /* end if */
if (ArgumentLexer.IsDiagnosticsOption(sym))
{
sym = ParseDiagnostics(sym);
} /* end */
return(sym);
} /* end ParseCompilationRequest */
} /* end */
/* ---------------------------------------------------------------------------
* private method ParseDiagnostics(sym)
* ---------------------------------------------------------------------------
* diagnostics :
* ( VERBOSE | LEXER_DEBUG | PARSER_DEBUG | PRINT_SETTINGS
* ERRANT_SEMICOLONS )+
* ;
* ------------------------------------------------------------------------ */
private static ArgumentToken ParseDiagnostics(ArgumentToken sym)
{
while (ArgumentLexer.IsDiagnosticsOption(sym))
{
switch (sym)
{
case ArgumentToken.VERBOSE:
CompilerOptions.SetOption(Option.Verbose, true);
break;
case ArgumentToken.LEXER_DEBUG:
CompilerOptions.SetOption(Option.LexerDebug, true);
break;
case ArgumentToken.PARSER_DEBUG:
CompilerOptions.SetOption(Option.ParserDebug, true);
break;
case ArgumentToken.SHOW_SETTINGS:
CompilerOptions.SetOption(Option.ShowSettings, true);
break;
case ArgumentToken.ERRANT_SEMICOLONS:
CompilerOptions.SetOption(Option.ErrantSemicolons, true);
break;
} /* end switch */
sym = ArgumentLexer.NextToken();
} /* end while*/
return(sym);
} /* end ParseDiagnostics */
} /* end ParseIdentifierOption */
/* ---------------------------------------------------------------------------
* private method ParseCommentOption(sym)
* ---------------------------------------------------------------------------
* commentOption :
* PRESERVE_COMMENTS | STRIP_COMMENTS
* ;
* ------------------------------------------------------------------------ */
private static ArgumentToken ParseCommentOption(ArgumentToken sym)
{
switch (sym)
{
case ArgumentToken.PRESERVE_COMMENTS:
CompilerOptions.SetOption(Option.PreserveComments, true);
break;
case ArgumentToken.STRIP_COMMENTS:
CompilerOptions.SetOption(Option.PreserveComments, false);
break;
} /* end switch */
return(ArgumentLexer.NextToken());
} /* end ParseCommentOption */
} /* end ParseMultipleProducts */
/* ---------------------------------------------------------------------------
* private method ParseIdentifierOption(sym)
* ---------------------------------------------------------------------------
* identifierOption :
* USE_IDENTIFIERS_VERBATIM | TRANSLITERATE_IDENTIFIERS
* ;
* ------------------------------------------------------------------------ */
private static ArgumentToken ParseIdentifierOption(ArgumentToken sym)
{
switch (sym)
{
case ArgumentToken.USE_IDENTIFIERS_VERBATIM:
CompilerOptions.SetOption(Option.UseIdentifiersVerbatim, true);
break;
case ArgumentToken.TRANSLITERATE_IDENTIFIERS:
CompilerOptions.SetOption(Option.UseIdentifiersVerbatim, false);
break;
} /* end switch */
return(ArgumentLexer.NextToken());
} /* end ParseIdentifierOption */
} /* end ParseDiagnostics */
/* ---------------------------------------------------------------------------
* private method SetOption(option)
* ---------------------------------------------------------------------------
* Sets option unless duplicate.
* ------------------------------------------------------------------------ */
private static void SetOption(Option option, bool value)
{
if (CompilerOptions.IsMutableOption(option) == false)
{
ReportInvalidOption(ArgumentLexer.LastArg());
}
else if (IsInOptionSet(option))
{
ReportDuplicateOption(ArgumentLexer.LastArg());
}
else
{
CompilerOptions.SetOption(option, value);
StoreInOptionSet(option);
} /* end if */
} /* end SetOption */
} /* end ParseCompilationRequest */
/* ---------------------------------------------------------------------------
* private method ParseDialect(sym)
* ---------------------------------------------------------------------------
* dialect :
* ( PIM3 | PIM4 ) ( SAFER | COMPLIANT )? | EXT
* ;
* ------------------------------------------------------------------------ */
private static ArgumentToken ParseDialect(ArgumentToken sym)
{
if (sym == ArgumentToken.EXT)
{
CompilerOptions.SetDialect(Dialect.Extended);
}
else
{
switch (sym)
{
case ArgumentToken.PIM3:
CompilerOptions.SetDialect(Dialect.PIM3);
break;
case ArgumentToken.PIM4:
CompilerOptions.SetDialect(Dialect.PIM4);
break;
} /* end switch */
sym = ArgumentLexer.NextToken();
switch (sym)
{
case ArgumentToken.SAFER:
CompilerOptions.SetOption(Option.Synonyms, false);
CompilerOptions.SetOption(Option.OctalLiterals, false);
CompilerOptions.SetOption(Option.ExplicitCast, false);
CompilerOptions.SetOption(Option.Coroutines, false);
CompilerOptions.SetOption(Option.VariantRecords, false);
CompilerOptions.SetOption(Option.LocalModules, false);
break;
case ArgumentToken.COMPLIANT:
CompilerOptions.SetOption(Option.Synonyms, true);
CompilerOptions.SetOption(Option.OctalLiterals, true);
CompilerOptions.SetOption(Option.ExplicitCast, true);
CompilerOptions.SetOption(Option.Coroutines, true);
CompilerOptions.SetOption(Option.VariantRecords, true);
CompilerOptions.SetOption(Option.LocalModules, true);
break;
} /* end switch */
} /* end if */
return(ArgumentLexer.NextToken());
} /* end ParseDialect */
} /* end ParseSingleProduct */
/* ---------------------------------------------------------------------------
* private method ParseMultipleProducts(sym)
* ---------------------------------------------------------------------------
* multipleProducts :
* ( ast | graph | xlat | obj )+
* ;
* ------------------------------------------------------------------------ */
private static ArgumentToken ParseMultipleProducts(ArgumentToken sym)
{
while (ArgumentLexer.IsMultipleProductsOption(sym))
{
switch (sym)
{
case ArgumentToken.AST:
SetOption(Option.AstRequired, true);
break;
case ArgumentToken.NO_AST:
SetOption(Option.AstRequired, false);
break;
case ArgumentToken.GRAPH:
SetOption(Option.GraphRequired, true);
break;
case ArgumentToken.NO_GRAPH:
SetOption(Option.GraphRequired, true);
break;
case ArgumentToken.XLAT:
SetOption(Option.XlatRequired, true);
break;
case ArgumentToken.NO_XLAT:
SetOption(Option.XlatRequired, false);
break;
case ArgumentToken.OBJ:
SetOption(Option.ObjRequired, true);
break;
case ArgumentToken.NO_OBJ:
SetOption(Option.ObjRequired, true);
break;
} /* end switch */
sym = ArgumentLexer.NextToken();
} /* end while */
return(sym);
} /* end ParseMultipleProducts */
} /* end ErrorCount */
/* ---------------------------------------------------------------------------
* private method ParseInfoRequest(sym)
* ---------------------------------------------------------------------------
* infoRequest :
* HELP | VERSION | LICENSE
* ;
* ------------------------------------------------------------------------ */
private static ArgumentToken ParseInfoRequest(ArgumentToken sym)
{
switch (sym)
{
case ArgumentToken.HELP:
status = ArgumentStatus.HelpRequested;
break;
case ArgumentToken.VERSION:
status = ArgumentStatus.VersionRequested;
break;
case ArgumentToken.LICENSE:
status = ArgumentStatus.LicenseRequested;
break;
} /* end switch */
return(ArgumentLexer.NextToken());
} /* end ParseInfoRequest */
} /* end ParseProducts */
/* ---------------------------------------------------------------------------
* private method ParseSingleProduct(sym)
* ---------------------------------------------------------------------------
* singleProduct :
* SYNTAX_ONLY | AST_ONLY | GRAPH_ONLY | XLAT_ONLY | OBJ_ONLY
* ;
* ------------------------------------------------------------------------ */
private static ArgumentToken ParseSingleProduct(ArgumentToken sym)
{
switch (sym)
{
case ArgumentToken.SYNTAX_ONLY:
CompilerOptions.SetOption(Option.AstRequired, false);
CompilerOptions.SetOption(Option.GraphRequired, false);
CompilerOptions.SetOption(Option.XlatRequired, false);
CompilerOptions.SetOption(Option.ObjRequired, false);
break;
case ArgumentToken.AST_ONLY:
CompilerOptions.SetOption(Option.AstRequired, true);
CompilerOptions.SetOption(Option.GraphRequired, false);
CompilerOptions.SetOption(Option.XlatRequired, false);
CompilerOptions.SetOption(Option.ObjRequired, false);
break;
case ArgumentToken.GRAPH_ONLY:
CompilerOptions.SetOption(Option.AstRequired, false);
CompilerOptions.SetOption(Option.GraphRequired, true);
CompilerOptions.SetOption(Option.XlatRequired, false);
CompilerOptions.SetOption(Option.ObjRequired, false);
break;
case ArgumentToken.XLAT_ONLY:
CompilerOptions.SetOption(Option.AstRequired, false);
CompilerOptions.SetOption(Option.GraphRequired, false);
CompilerOptions.SetOption(Option.XlatRequired, true);
CompilerOptions.SetOption(Option.ObjRequired, false);
break;
case ArgumentToken.OBJ_ONLY:
CompilerOptions.SetOption(Option.AstRequired, false);
CompilerOptions.SetOption(Option.GraphRequired, false);
CompilerOptions.SetOption(Option.XlatRequired, false);
CompilerOptions.SetOption(Option.ObjRequired, true);
break;
} /* end switch */
return(ArgumentLexer.NextToken());
} /* end ParseSingleProduct */
} /* end ParseDialect */
/* ---------------------------------------------------------------------------
* private method ParseProducts(sym)
* ---------------------------------------------------------------------------
* products :
* ( singleProduct | multipleProducts ) identifierOption? commentOption?
* ;
* ------------------------------------------------------------------------ */
private static ArgumentToken ParseProducts(ArgumentToken sym)
{
if (ArgumentLexer.IsSingleProductOption(sym))
{
sym = ParseSingleProduct(sym);
}
else if (ArgumentLexer.IsMultipleProductsOption(sym))
{
sym = ParseMultipleProducts(sym);
} /* end if */
if (ArgumentLexer.IsIdentifierOption(sym))
{
if (CompilerOptions.XlatRequired() || CompilerOptions.ObjRequired())
{
sym = ParseIdentifierOption(sym);
}
else
{
ReportMissingDependencyFor(ArgumentLexer.LastArg(), "--xlat or --obj");
sym = ArgumentLexer.NextToken();
} /* end if */
} /* end if */
if (ArgumentLexer.IsCommentOption(sym))
{
if (CompilerOptions.XlatRequired() || CompilerOptions.ObjRequired())
{
sym = ParseCommentOption(sym);
}
else
{
ReportMissingDependencyFor(ArgumentLexer.LastArg(), "--xlat");
sym = ArgumentLexer.NextToken();
} /* end if */
} /* end if */
return(sym);
} /* end ParseProducts */
} /* end ArgumentParser */
/* ---------------------------------------------------------------------------
* method ParseOptions()
* ---------------------------------------------------------------------------
* options :
* infoRequest | compilationRequest
* ;
* ------------------------------------------------------------------------ */
public static ArgumentStatus ParseOptions(string[] args)
{
ArgumentToken sym;
ArgumentLexer.InitWithArgs(args);
sourceFile = null;
errorCount = 0;
optionSet = 0;
sym = ArgumentLexer.NextToken();
if (ArgumentLexer.IsInfoRequest(sym))
{
sym = ParseInfoRequest(sym);
}
else if (ArgumentLexer.IsCompilationRequest(sym))
{
sym = ParseCompilationRequest(sym);
}
else if (sym == ArgumentToken.END_OF_INPUT)
{
ReportMissingSourceFile();
} /* end if */
while (sym != ArgumentToken.END_OF_INPUT)
{
ReportExcessArgument(ArgumentLexer.LastArg());
sym = ArgumentLexer.NextToken();
} /* end while */
if (errorCount > 0)
{
status = ArgumentStatus.ErrorsEncountered;
} /* end if */
return(status);
} /* end ParseOptions */
} /* end ParseCapabilities */
/* ---------------------------------------------------------------------------
* private method ParseSourceFile(sym)
* ---------------------------------------------------------------------------
* sourceFile :
* <platform dependendent path/filename>
* ;
* ------------------------------------------------------------------------ */
private static ArgumentToken ParseSourceFile(ArgumentToken sym)
{
sourceFile = ArgumentLexer.LastArg();
return(ArgumentLexer.NextToken());
} /* end */
} /* end ParseCommentOption */
/* ---------------------------------------------------------------------------
* private method ParseCapabilities(sym)
* ---------------------------------------------------------------------------
* capabilities :
* ( synonyms | octalLiterals | explicitCast |
* coroutines | variantRecords | localModules |
* lowlineIdentifiers | toDoStatement )+
* ;
* ------------------------------------------------------------------------ */
private static ArgumentToken ParseCapabilities(ArgumentToken sym)
{
while (ArgumentLexer.IsCapabilityOption(sym))
{
switch (sym)
{
case ArgumentToken.SYNONYMS:
SetOption(Option.Synonyms, true);
break;
case ArgumentToken.NO_SYNONYMS:
SetOption(Option.Synonyms, false);
break;
case ArgumentToken.OCTAL_LITERALS:
SetOption(Option.OctalLiterals, true);
break;
case ArgumentToken.NO_OCTAL_LITERALS:
SetOption(Option.OctalLiterals, false);
break;
case ArgumentToken.EXPLICIT_CAST:
SetOption(Option.ExplicitCast, true);
break;
case ArgumentToken.NO_EXPLICIT_CAST:
SetOption(Option.ExplicitCast, false);
break;
case ArgumentToken.COROUTINES:
SetOption(Option.Coroutines, true);
break;
case ArgumentToken.NO_COROUTINES:
SetOption(Option.Coroutines, false);
break;
case ArgumentToken.VARIANT_RECORDS:
SetOption(Option.VariantRecords, true);
break;
case ArgumentToken.NO_VARIANT_RECORDS:
SetOption(Option.VariantRecords, false);
break;
case ArgumentToken.LOCAL_MODULES:
SetOption(Option.LocalModules, true);
break;
case ArgumentToken.NO_LOCAL_MODULES:
SetOption(Option.LocalModules, false);
break;
case ArgumentToken.LOWLINE_IDENTIFIERS:
SetOption(Option.LowlineIdentifiers, true);
break;
case ArgumentToken.NO_LOWLINE_IDENTIFIERS:
SetOption(Option.LowlineIdentifiers, false);
break;
case ArgumentToken.TO_DO_STATEMENT:
SetOption(Option.ToDoStatement, true);
break;
case ArgumentToken.NO_TO_DO_STATEMENT:
SetOption(Option.ToDoStatement, false);
break;
} /* end switch */
sym = ArgumentLexer.NextToken();
} /* end while */
return(sym);
} /* end ParseCapabilities */
