| 9 | } |
| 10 | |
| 11 | void Lexer::Lexify(const char* code) |
| 12 | { |
| 13 | LexemeType lType = lex_none; |
| 14 | int lLength = 1; |
| 15 | |
| 16 | while(*code) |
| 17 | { |
| 18 | switch(*code) |
| 19 | { |
| 20 | case ' ': |
| 21 | case '\r': |
| 22 | case '\n': |
| 23 | case '\t': |
| 24 | code++; |
| 25 | while((unsigned char)(code[0] - 1) < ' ') |
| 26 | code++; |
| 27 | continue; |
| 28 | case '\"': |
| 29 | lType = lex_quotedstring; |
| 30 | { |
| 31 | const char *pos = code; |
| 32 | pos++; |
| 33 | while(*pos && *pos != '\"') |
| 34 | pos += (pos[0] == '\\' && pos[1]) ? 2 : 1; |
| 35 | if(*pos) |
| 36 | pos++; |
| 37 | lLength = (int)(pos - code); |
| 38 | } |
| 39 | break; |
| 40 | case '\'': |
| 41 | lType = lex_semiquotedchar; |
| 42 | { |
| 43 | const char *pos = code; |
| 44 | pos++; |
| 45 | while(*pos && *pos != '\'') |
| 46 | pos += (pos[0] == '\\' && pos[1]) ? 2 : 1; |
| 47 | if(*pos) |
| 48 | pos++; |
| 49 | lLength = (int)(pos - code); |
| 50 | } |
| 51 | break; |
| 52 | case '.': |
| 53 | lType = lex_point; |
| 54 | break; |
| 55 | case ',': |
| 56 | lType = lex_comma; |
| 57 | break; |
| 58 | case '+': |
| 59 | lType = lex_add; |
| 60 | if(code[1] == '=') |
| 61 | { |
| 62 | lType = lex_addset; |
| 63 | lLength = 2; |
| 64 | }else if(code[1] == '+'){ |
| 65 | lType = lex_inc; |
| 66 | lLength = 2; |
| 67 | } |
| 68 | break; |