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Stop compilation when an unexpected character is encountered.

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This commit is contained in:
Stefano Sanfilippo 2014-11-29 22:31:25 +01:00
parent bb0c5c2c78
commit 8c813602d4
2 changed files with 3 additions and 2 deletions
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2
Monicelli.lpp
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@ -197,7 +197,7 @@ CHAR [a-zA-Z_]
}
<INITIAL,shift>. {
return -1;
return token::ERROR;
}
%%

3
Monicelli.ypp
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@ -51,7 +51,7 @@
static int yylex(Parser::semantic_type*, Parser::location_type*, Scanner&);
}
%token MAIN
%token MAIN ERROR
%token RETURN
%token ARTICLE TYPENAME STAR
%token VARDECL ASSIGN
@ -401,6 +401,7 @@ simple_expression:
void Parser::error(const location_type& loc, const std::string &message) {
std::cerr << "line " << loc.begin.line << ", col " << loc.begin.column;
std::cerr << ": " << message << std::endl;
std::exit(1);
}
int yylex(Parser::semantic_type *lval, Parser::location_type *loc, Scanner &scanner) {