lexer.h

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/*2:*/
#line 34 "lexer.w"
#ifndef LEXER_H
#define LEXER_H
#include "buffer.h"
#include "parse_types.h"
#include "parser.tab.h"
#include <cctype>
#include <iostream>
#include <string>
#include "global.h"

#line 36 "lexer.w"

namespace atlas{namespace interpreter{/*6:*/
#line 90 "lexer.w"
class Lexical_analyser
{enum states{initial,normal,ended};
BufferedInput&input;
Hash_table&id_table;
id_type keyword_limit;
id_type type_limit;
int nesting;
char prevent_termination;
int comment_start,comment_end;
states state;
std::string file_name;
public:
Lexical_analyser
(BufferedInput&,Hash_table&,const char* *,const char* *type_names);
int get_token(YYSTYPE*valp,YYLTYPE*locp);
bool reset();
void set_comment_delims(char c,char d)
{assert(c!='\0' and d!='\0');comment_start=c;comment_end=d;}
const char*scanned_file_name()const{return file_name.c_str();}
id_type first_identifier()const{return type_limit;}
bool is_initial()const{return state==initial;}
private:
void skip_space()const;
bool becomes_follows();
std::string scan_quoted_string()const;
};/*:6*//*4:*/
#line 65 "lexer.w"
extern Hash_table*main_hash_table;/*:4*//*7:*/
#line 121 "lexer.w"
extern Lexical_analyser*lex;/*:7*/
#line 40 "lexer.w"


}}
#endif/*:2*/