%token INTERR_NULLABLE
/* C# keywords which are not really keywords */
-%token GET "get"
-%token SET "set"
+%token GET
+%token SET
%left LAST_KEYWORD
/* C# single character operators/punctuation. */
-%token OPEN_BRACE "{"
-%token CLOSE_BRACE "}"
-%token OPEN_BRACKET "["
-%token CLOSE_BRACKET "]"
-%token OPEN_PARENS "("
-%token CLOSE_PARENS ")"
-%token DOT "."
-%token COMMA ","
-%token COLON ":"
-%token SEMICOLON ";"
-%token TILDE "~"
-
-%token PLUS "+"
-%token MINUS "-"
-%token BANG "!"
-%token ASSIGN "="
-%token OP_LT "<"
-%token OP_GENERICS_LT "<"
-%token OP_GT ">"
-%token OP_GENERICS_GT ">"
-%token BITWISE_AND "&"
-%token BITWISE_OR "|"
-%token STAR "*"
-%token PERCENT "%"
-%token DIV "/"
-%token CARRET "^"
-%token INTERR "?"
+%token OPEN_BRACE
+%token CLOSE_BRACE
+%token OPEN_BRACKET
+%token CLOSE_BRACKET
+%token OPEN_PARENS
+%token CLOSE_PARENS
+%token DOT
+%token COMMA
+%token COLON
+%token SEMICOLON
+%token TILDE
+
+%token PLUS
+%token MINUS
+%token BANG
+%token ASSIGN
+%token OP_LT
+%token OP_GENERICS_LT
+%token OP_GT
+%token OP_GENERICS_GT
+%token BITWISE_AND
+%token BITWISE_OR
+%token STAR
+%token PERCENT
+%token DIV
+%token CARRET
+%token INTERR
/* C# multi-character operators. */
-%token DOUBLE_COLON "::"
-%token OP_INC "++"
-%token OP_DEC "--"
-%token OP_SHIFT_LEFT "<<"
-%token OP_SHIFT_RIGHT ">>"
-%token OP_LE "<="
-%token OP_GE ">="
-%token OP_EQ "=="
-%token OP_NE "!="
-%token OP_AND "&&"
-%token OP_OR "||"
-%token OP_MULT_ASSIGN "*="
-%token OP_DIV_ASSIGN "/="
-%token OP_MOD_ASSIGN "%="
-%token OP_ADD_ASSIGN "+="
-%token OP_SUB_ASSIGN "-="
-%token OP_SHIFT_LEFT_ASSIGN "<<="
-%token OP_SHIFT_RIGHT_ASSIGN ">>="
-%token OP_AND_ASSIGN "&="
-%token OP_XOR_ASSIGN "^="
-%token OP_OR_ASSIGN "|="
-%token OP_PTR "->"
-%token OP_COALESCING "??"
+%token DOUBLE_COLON
+%token OP_INC
+%token OP_DEC
+%token OP_SHIFT_LEFT
+%token OP_SHIFT_RIGHT
+%token OP_LE
+%token OP_GE
+%token OP_EQ
+%token OP_NE
+%token OP_AND
+%token OP_OR
+%token OP_MULT_ASSIGN
+%token OP_DIV_ASSIGN
+%token OP_MOD_ASSIGN
+%token OP_ADD_ASSIGN
+%token OP_SUB_ASSIGN
+%token OP_SHIFT_LEFT_ASSIGN
+%token OP_SHIFT_RIGHT_ASSIGN
+%token OP_AND_ASSIGN
+%token OP_XOR_ASSIGN
+%token OP_OR_ASSIGN
+%token OP_PTR
+%token OP_COALESCING
/* Numbers */
-%token LITERAL_INTEGER "int literal"
-%token LITERAL_FLOAT "float literal"
-%token LITERAL_DOUBLE "double literal"
-%token LITERAL_DECIMAL "decimal literal"
-%token LITERAL_CHARACTER "character literal"
-%token LITERAL_STRING "string literal"
+%token LITERAL_INTEGER
+%token LITERAL_FLOAT
+%token LITERAL_DOUBLE
+%token LITERAL_DECIMAL
+%token LITERAL_CHARACTER
+%token LITERAL_STRING
%token IDENTIFIER
%token OPEN_PARENS_LAMBDA
| RETURN { $$ = "return"; }
| error
{
- string name = yyNames [yyToken].ToLower ();
+ string name = GetTokenName (yyToken);
$$ = CheckAttributeTarget (name, GetLocation ($1));
}
;
}
| error
{
- Report.ExtraInformation (GetLocation ($1), "(token is: " + yyToken + " in previous ");
- Report.Error (1002, GetLocation ($1), "Expecting `;'");
+ Report.Error (1002, GetLocation ($1), "Expecting {0}, got {1}", GetExpecting (), GetTokenName (yyToken));
$$ = null;
}
;
}
| error
{
- Report.Error (1002, GetLocation ($1), "Expecting `;' (token is: {0})", yyToken);
+ Report.Error (1002, GetLocation ($1), "Expecting {0}, got {1}", GetExpecting (), GetTokenName (yyToken));
$$ = null;
}
;
static void CheckToken (int error, int yyToken, string msg, Location loc)
{
if (yyToken >= Token.FIRST_KEYWORD && yyToken <= Token.LAST_KEYWORD)
- Report.Error (error, loc, "{0}: `{1}' is a keyword", msg, yyNames [yyToken].ToLower ());
+ Report.Error (error, loc, "{0}: `{1}' is a keyword", msg, GetTokenName (yyToken));
else
Report.Error (error, loc, msg);
}
}
}
+public string GetExpecting ()
+{
+ int [] tokens = yyExpectingTokens (yyExpectingState);
+ if (tokens.Length == 1)
+ return "`" + GetTokenName (tokens [0]) + "'";
+
+ StringBuilder sb = new StringBuilder ();
+ ArrayList names = new ArrayList ();
+ for (int i = 0; i < tokens.Length; i++){
+ string name = GetTokenName (tokens [i]);
+ if (name == "<internal>")
+ continue;
+ if (names.Contains (name))
+ continue;
+
+ names.Add (name);
+ }
+
+ int count = names.Count;
+ for (int i = 0; i < count; i++){
+ bool last = i + 1 == count;
+ if (last)
+ sb.Append ("or ");
+ sb.Append ('`');
+ sb.Append (names [i]);
+ sb.Append (last ? "'" : "', ");
+ }
+ return sb.ToString ();
+}
+
+static public string GetTokenName (int token)
+{
+ switch (token){
+ case Token.ABSTRACT:
+ return "abstract";
+ case Token.AS:
+ return "as";
+ case Token.ADD:
+ return "add";
+ case Token.ASSEMBLY:
+ return "assembly";
+ case Token.BASE:
+ return "base";
+ case Token.BOOL:
+ return "bool";
+ case Token.BREAK:
+ return "break";
+ case Token.BYTE:
+ return "byte";
+ case Token.CASE:
+ return "case";
+ case Token.CATCH:
+ return "catch";
+ case Token.CHAR:
+ return "char";
+ case Token.CHECKED:
+ return "checked";
+ case Token.CLASS:
+ return "class";
+ case Token.CONST:
+ return "const";
+ case Token.CONTINUE:
+ return "continue";
+ case Token.DECIMAL:
+ return "decimal";
+ case Token.DEFAULT:
+ return "default";
+ case Token.DELEGATE:
+ return "delegate";
+ case Token.DO:
+ return "do";
+ case Token.DOUBLE:
+ return "double";
+ case Token.ELSE:
+ return "else";
+ case Token.ENUM:
+ return "enum";
+ case Token.EVENT:
+ return "event";
+ case Token.EXPLICIT:
+ return "explicit";
+ case Token.EXTERN:
+ return "extern";
+ case Token.FALSE:
+ return "false";
+ case Token.FINALLY:
+ return "finally";
+ case Token.FIXED:
+ return "fixed";
+ case Token.FLOAT:
+ return "float";
+ case Token.FOR:
+ return "for";
+ case Token.FOREACH:
+ return "foreach";
+ case Token.GOTO:
+ return "goto";
+ case Token.IF:
+ return "if";
+ case Token.IMPLICIT:
+ return "implicit";
+ case Token.IN:
+ return "in";
+ case Token.INT:
+ return "int";
+ case Token.INTERFACE:
+ return "interface";
+ case Token.INTERNAL:
+ return "internal";
+ case Token.IS:
+ return "is";
+ case Token.LOCK:
+ return "lock";
+ case Token.LONG:
+ return "long";
+ case Token.NAMESPACE:
+ return "namespace";
+ case Token.NEW:
+ return "new";
+ case Token.NULL:
+ return "null";
+ case Token.OBJECT:
+ return "object";
+ case Token.OPERATOR:
+ return "operator";
+ case Token.OUT:
+ return "out";
+ case Token.OVERRIDE:
+ return "override";
+ case Token.PARAMS:
+ return "params";
+ case Token.PRIVATE:
+ return "private";
+ case Token.PROTECTED:
+ return "protected";
+ case Token.PUBLIC:
+ return "public";
+ case Token.READONLY:
+ return "readonly";
+ case Token.REF:
+ return "ref";
+ case Token.RETURN:
+ return "return";
+ case Token.REMOVE:
+ return "remove";
+ case Token.SBYTE:
+ return "sbyte";
+ case Token.SEALED:
+ return "sealed";
+ case Token.SHORT:
+ return "short";
+ case Token.SIZEOF:
+ return "sizeof";
+ case Token.STACKALLOC:
+ return "stackalloc";
+ case Token.STATIC:
+ return "static";
+ case Token.STRING:
+ return "string";
+ case Token.STRUCT:
+ return "struct";
+ case Token.SWITCH:
+ return "switch";
+ case Token.THIS:
+ return "this";
+ case Token.THROW:
+ return "throw";
+ case Token.TRUE:
+ return "true";
+ case Token.TRY:
+ return "try";
+ case Token.TYPEOF:
+ return "typeof";
+ case Token.UINT:
+ return "uint";
+ case Token.ULONG:
+ return "ulong";
+ case Token.UNCHECKED:
+ return "unchecked";
+ case Token.UNSAFE:
+ return "unsafe";
+ case Token.USHORT:
+ return "ushort";
+ case Token.USING:
+ return "using";
+ case Token.VIRTUAL:
+ return "virtual";
+ case Token.VOID:
+ return "void";
+ case Token.VOLATILE:
+ return "volatile";
+ case Token.WHERE:
+ return "where";
+ case Token.WHILE:
+ return "while";
+ case Token.ARGLIST:
+ return "arglist";
+ case Token.PARTIAL:
+ return "partial";
+ case Token.ARROW:
+ return "=>";
+ case Token.QUERY_FIRST_TOKEN:
+ return "query first token";
+ case Token.FROM:
+ return "from";
+ case Token.JOIN:
+ return "join";
+ case Token.ON:
+ return "on";
+ case Token.EQUALS:
+ return "equals";
+ case Token.SELECT:
+ return "select";
+ case Token.GROUP:
+ return "group";
+ case Token.BY:
+ return "by";
+ case Token.LET:
+ return "let";
+ case Token.ORDERBY:
+ return "orderby";
+ case Token.ASCENDING:
+ return "ascending";
+ case Token.DESCENDING:
+ return "descending";
+ case Token.INTO:
+ return "into";
+ case Token.QUERY_LAST_TOKEN:
+ return "query last token";
+ case Token.GET:
+ return "get";
+ case Token.SET:
+ return "set";
+ case Token.LAST_KEYWORD:
+ return "last keyword";
+ case Token.OPEN_BRACE:
+ return "{";
+ case Token.CLOSE_BRACE:
+ return "}";
+ case Token.OPEN_BRACKET:
+ return "[";
+ case Token.CLOSE_BRACKET:
+ return "]";
+ case Token.DEFAULT_OPEN_PARENS:
+ case Token.OPEN_PARENS_LAMBDA:
+ case Token.OPEN_PARENS:
+ return "(";
+ case Token.CLOSE_PARENS_CAST:
+ case Token.CLOSE_PARENS_NO_CAST:
+ case Token.CLOSE_PARENS_OPEN_PARENS:
+ case Token.CLOSE_PARENS_MINUS:
+ case Token.CLOSE_PARENS:
+ return ")";
+ case Token.DOT:
+ return ".";
+ case Token.COMMA:
+ return ",";
+ case Token.DEFAULT_COLON:
+ case Token.COLON:
+ return ":";
+ case Token.SEMICOLON:
+ return ";";
+ case Token.TILDE:
+ return "~";
+ case Token.PLUS:
+ return "+";
+ case Token.UMINUS:
+ case Token.MINUS:
+ return "-";
+ case Token.BANG:
+ return "!";
+ case Token.ASSIGN:
+ return "=";
+ case Token.OP_LT:
+ case Token.OP_GENERICS_LT:
+ case Token.GENERIC_DIMENSION:
+ return "<";
+ case Token.OP_GT:
+ case Token.OP_GENERICS_GT:
+ return ">";
+ case Token.BITWISE_AND:
+ return "&";
+ case Token.BITWISE_OR:
+ return "|";
+ case Token.STAR:
+ return "*";
+ case Token.PERCENT:
+ return "%";
+ case Token.DIV:
+ return "/";
+ case Token.CARRET:
+ return "^";
+ case Token.INTERR:
+ return "?";
+ case Token.DOUBLE_COLON:
+ return "::";
+ case Token.OP_INC:
+ return "++";
+ case Token.OP_DEC:
+ return "--";
+ case Token.OP_SHIFT_LEFT:
+ return "<<";
+ case Token.OP_SHIFT_RIGHT:
+ return ">>";
+ case Token.OP_LE:
+ return "<=";
+ case Token.OP_GE:
+ return ">=";
+ case Token.OP_EQ:
+ return "==";
+ case Token.OP_NE:
+ return "!=";
+ case Token.OP_AND:
+ return "&&";
+ case Token.OP_OR:
+ return "||";
+ case Token.OP_MULT_ASSIGN:
+ return "*=";
+ case Token.OP_DIV_ASSIGN:
+ return "/=";
+ case Token.OP_MOD_ASSIGN:
+ return "%=";
+ case Token.OP_ADD_ASSIGN:
+ return "+=";
+ case Token.OP_SUB_ASSIGN:
+ return "-=";
+ case Token.OP_SHIFT_LEFT_ASSIGN:
+ return "<<=";
+ case Token.OP_SHIFT_RIGHT_ASSIGN:
+ return ">>=";
+ case Token.OP_AND_ASSIGN:
+ return "&=";
+ case Token.OP_XOR_ASSIGN:
+ return "^=";
+ case Token.OP_OR_ASSIGN:
+ return "|=";
+ case Token.OP_PTR:
+ return "->";
+ case Token.OP_COALESCING:
+ return "??";
+ case Token.LITERAL_FLOAT:
+ case Token.LITERAL_INTEGER:
+ case Token.LITERAL_DOUBLE:
+ case Token.LITERAL_DECIMAL:
+ case Token.LITERAL_CHARACTER:
+ case Token.LITERAL_STRING:
+ return "literal";
+ case Token.IDENTIFIER:
+ return "identifier";
+
+ // All of these are internal.
+ case Token.NONE:
+ case Token.ERROR:
+ case Token.FIRST_KEYWORD:
+ case Token.EOF:
+ case Token.EVAL_COMPILATION_UNIT_PARSER:
+ case Token.EVAL_USING_DECLARATIONS_UNIT_PARSER:
+ case Token.EVAL_STATEMENT_PARSER:
+ case Token.LOWPREC:
+ return "<internal>";
+
+ // A bit more robust.
+ default:
+ return yyNames [token];
+ }
+}
+
/* end end end */
}
projects / mono.git / commitdiff