Ejemplo n.º 1
0
static void
do_set_npe_mac(int argc, char *argv[])
{
    bool portnum_set;
    int  portnum, i;
    char *addr = 0;
    struct option_info opts[1];
    cyg_uint8  mac[6];
    
    init_opts(&opts[0], 'p', true, OPTION_ARG_TYPE_NUM, 
              (void **)&portnum, (bool *)&portnum_set, "port number");
    if (!scan_opts(argc, argv, 1, opts, 1, (void *)&addr,
		   OPTION_ARG_TYPE_STR, "MAC address")) {
        return;
    }

    if ((!portnum_set && addr) ||
	(portnum_set && portnum != 0 && portnum != 1)) {
	diag_printf("Must specify port with \"-p <0|1>\"\n");
	return;
    }

    if (!portnum_set) {
	for (i = 0; i < 2; i++) {
	    cyghal_get_npe_esa(i, mac);
	    diag_printf("NPE eth%d mac: %02x:%02x:%02x:%02x:%02x:%02x\n",
			i, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
	}
	return;
    }

    if (!addr) {
	cyghal_get_npe_esa(portnum, mac);
	diag_printf("NPE eth%d mac: %02x:%02x:%02x:%02x:%02x:%02x\n",
		    portnum, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
	return;
    }

    // parse MAC address from user.
    // acceptable formats are "nn:nn:nn:nn:nn:nn" and "nnnnnnnnnnnn"
    for (i = 0; i < 6; i++) {
	if (!_is_hex(addr[0]) || !_is_hex(addr[1]))
	    break;
	mac[i] = (_from_hex(addr[0]) * 16) + _from_hex(addr[1]);
	addr += 2;
	if (*addr == ':')
	    addr++;
    }
    
    if (i != 6 || *addr != '\0') {
	diag_printf("Malformed MAC address.\n");
	return;
    }

    for (i = 0; i < 6; i++) {
	eeprom_write(MAC_EEPROM_OFFSET(portnum) + i, mac[i]);
	hal_delay_us(100000);
    }
}
Ejemplo n.º 2
0
/* Parse (scan) a number */
bool
parse_num (char *s, unsigned long *val, char **es, char *delim)
{
  bool first = true;
  int radix = 10;
  char c;
  unsigned long result = 0;
  int digit;

  while (*s == ' ')
    s++;
  while (*s)
    {
      if (first && (s[0] == '0') && (_tolower (s[1]) == 'x'))
	{
	  radix = 16;
	  s += 2;
	}
      first = false;
      c = *s++;
      if (_is_hex (c) && ((digit = _from_hex (c)) < radix))
	{
	  /* Valid digit */
#ifdef CYGPKG_HAL_MIPS
	  /* FIXME: tx49 compiler generates 0x2539018 for MUL which */
	  /* isn't any good. */
	  if (16 == radix)
	    result = result << 4;
	  else
	    result = 10 * result;
	  result += digit;
#else
	  result = (result * radix) + digit;
#endif
	}
      else
	{
	  if (delim != (char *) 0)
	    {
	      /* See if this character is one of the delimiters */
	      char *dp = delim;
	      while (*dp && (c != *dp))
		dp++;
	      if (*dp)
		break;		/* Found a good delimiter */
	    }
	  return false;		/* Malformatted number */
	}
    }
  *val = result;
  if (es != (char **) 0)
    {
      *es = s;
    }
  return true;
}
Ejemplo n.º 3
0
//
// Scan a string of hex bytes and update the checksum
//
static long
_hex2(int (*getc)(void), int len, long *sum)
{
    int val, byte;
    char c1, c2;

    val = 0;
    while (len-- > 0) {
        c1 = (*getc)();
        c2 = (*getc)();
        if (_is_hex(c1) && _is_hex(c2)) {
            val <<= 8;
            byte = (_from_hex(c1)<<4) | _from_hex(c2);
            val |= byte;
            if (sum) {
                *sum += byte;
            }
        } else {
            return (-1);
        }
    }
    return (val);
}
Ejemplo n.º 4
0
/* Parse (scan) a number */
unsigned int parse_num(char *s, unsigned long *val, char **es, char *delim)
{
	unsigned int first = 1;
	int radix = 10;
	char c;
	unsigned long result = 0;
	int digit;

	while(*s == ' ')
		s++;

	while(*s){
		if(first && (s[0] == '0') && (_tolower(s[1]) == 'x')){
			radix = 16;
			s += 2;
		}

		first = 0;
		c = *s++;

		if(_is_hex(c) && ((digit = _from_hex(c)) < radix)){
			/* Valid digit */
			result = (result * radix) + digit;
		} else {
			if(delim != (char *)0){
				/* See if this character is one of the delimiters */
				char *dp = delim;

				while(*dp && (c != *dp))
					dp++;

				/* Found a good delimiter */
				if(*dp)
					break;
			}

			/* Malformatted number */
			return 0;
		}
	}

	*val = result;

	if(es != (char **)0){
		*es = s;
	}

	return 1;
}
Ejemplo n.º 5
0
bool
inet_aton(const char *s, in_addr_t *addr)
{
    int i, val, radix, digit;
    unsigned long res = 0;
    bool first;
    char c;
    
    for (i = 0;  i < 4;  i++) {
        // Parse next digit string
        first = true;
        val = 0;
        radix = 10;
        while ((c = *s++) != '\0') {
            if (first && (c == '0') && (_tolower(*s) == 'x')) {
                radix = 16;
                s++;  // Skip over 0x
                c = *s++;
            }
            first = false;
            if (_is_hex(c) && ((digit = _from_hex(c)) < radix)) {
                // Valid digit
                val = (val * radix) + digit;
            } else if (c == '.' && i < 3) { // all but last terminate by '.'
                break;
            } else {
                return false;
            }
        }
        // merge result
#ifdef __LITTLE_ENDIAN__
        res |= val << ((3-i)*8);  // 24, 16, 8, 0
#else
        res = (res << 8) | val;
#endif
        if ('\0' == c) {
            if (0 == i) { // first field found end of string
                res = val; // no shifting, use it as the whole thing
                break; // permit entering a single number
            }
            if (3 > i) // we found end of string before getting 4 fields
                return false;
        }
        // after that we check that it was 0..255 only
        if (val &~0xff) return false;
    }
    addr->s_addr = htonl(res);
    return true;
}
Ejemplo n.º 6
0
void GDTokenizerText::_advance() {

	if (error_flag) {
		//parser broke
		_make_error(last_error);
		return;
	}

	if (code_pos>=len) {
		_make_token(TK_EOF);
		return;
	}
#define GETCHAR(m_ofs) ((m_ofs+code_pos)>=len?0:_code[m_ofs+code_pos])
#define INCPOS(m_amount) { code_pos+=m_amount; column+=m_amount; }
	while (true) {


		bool is_node_path  = false;
		StringMode string_mode=STRING_DOUBLE_QUOTE;

		switch(GETCHAR(0)) {
			case 0:
				_make_token(TK_EOF);
				break;
			case '\\':
				INCPOS(1);
				if (GETCHAR(0)=='\r') {
					INCPOS(1);
				}

				if (GETCHAR(0)!='\n') {
					_make_error("Expected newline after '\\'.");
					return;
				}

				INCPOS(1);

				while(GETCHAR(0)==' ' || GETCHAR(0)=='\t') {
					INCPOS(1);
				}

				continue;
			case '\t':
			case '\r':
			case ' ':
				INCPOS(1);
				continue;
			case '\n': {
				line++;
				INCPOS(1);
				column=0;
				int i=0;
				while(GETCHAR(i)==' ' || GETCHAR(i)=='\t') {
					i++;
				}

				_make_newline(i);
				return;
			}
#if 1 //py style tokenizer
			case '#': { // line comment skip

				while(GETCHAR(0)!='\n') {
					code_pos++;
					if (GETCHAR(0)==0) { //end of file
						//_make_error("Unterminated Comment");
						_make_token(TK_EOF);
						return;
					}
				}
				INCPOS(1);
				column=0;
				line++;
				int i=0;
				while(GETCHAR(i)==' ' || GETCHAR(i)=='\t') {
					i++;
				}
				_make_newline(i);
				return;

			} break;
#endif
			case '/': {

				switch(GETCHAR(1)) {
#if 0 // c style tokenizer
					case '*': { // block comment
						int pos = code_pos+2;
						int new_line=line;
						int new_col=column+2;

						while(true) {
							if (_code[pos]=='0') {
								_make_error("Unterminated Comment");
								code_pos=pos;
								return;
							}
							if (_code[pos]=='*' && _code[pos+1]=='/') {
								new_col+=2;
								pos+=2; //compensate
								break;
							} else if (_code[pos]=='\n') {
								new_line++;
								new_col=0;
							} else {
								new_col++;
							}
							pos++;
						}

						column=new_col;
						line=new_line;
						code_pos=pos;
						continue;

					} break;
					case '/': { // line comment skip

						while(GETCHAR(0)!='\n') {
							code_pos++;
							if (GETCHAR(0)==0) { //end of file
								_make_error("Unterminated Comment");
								return;
							}
						}
						INCPOS(1);
						column=0;
						line++;
						continue;

					} break;
#endif
					case '=': { // diveq

						_make_token(TK_OP_ASSIGN_DIV);
						INCPOS(1);

					} break;
					default:
						_make_token(TK_OP_DIV);

				}
			} break;
			case '=': {
				if (GETCHAR(1)=='=') {
					_make_token(TK_OP_EQUAL);
					INCPOS(1);

				} else
					_make_token(TK_OP_ASSIGN);

			} break;
			case '<': {
				if (GETCHAR(1)=='=') {

					_make_token(TK_OP_LESS_EQUAL);
					INCPOS(1);
				} else if (GETCHAR(1)=='<') {
					if (GETCHAR(2)=='=') {
						_make_token(TK_OP_ASSIGN_SHIFT_LEFT);
						INCPOS(1);
					} else {
						_make_token(TK_OP_SHIFT_LEFT);
					}
					INCPOS(1);
				} else
					_make_token(TK_OP_LESS);

			} break;
			case '>': {
				if (GETCHAR(1)=='=') {
					_make_token(TK_OP_GREATER_EQUAL);
					INCPOS(1);
				} else if (GETCHAR(1)=='>') {
					if (GETCHAR(2)=='=') {
						_make_token(TK_OP_ASSIGN_SHIFT_RIGHT);
						INCPOS(1);

					} else {
						_make_token(TK_OP_SHIFT_RIGHT);
					}
					INCPOS(1);
				} else {
					_make_token(TK_OP_GREATER);
				}

			} break;
			case '!': {
				if (GETCHAR(1)=='=') {
					_make_token(TK_OP_NOT_EQUAL);
					INCPOS(1);
				} else {
					_make_token(TK_OP_NOT);
				}

			} break;
			//case '"' //string - no strings in shader
			//case '\'' //string - no strings in shader
			case '{':
				_make_token(TK_CURLY_BRACKET_OPEN);
				break;
			case '}':
				_make_token(TK_CURLY_BRACKET_CLOSE);
				break;
			case '[':
				_make_token(TK_BRACKET_OPEN);
				break;
			case ']':
				_make_token(TK_BRACKET_CLOSE);
				break;
			case '(':
				_make_token(TK_PARENTHESIS_OPEN);
				break;
			case ')':
				_make_token(TK_PARENTHESIS_CLOSE);
				break;
			case ',':
				_make_token(TK_COMMA);
				break;
			case ';':
				_make_token(TK_SEMICOLON);
				break;
			case '?':
				_make_token(TK_QUESTION_MARK);
				break;
			case ':':
				_make_token(TK_COLON); //for methods maybe but now useless.
				break;
			case '^': {
				if (GETCHAR(1)=='=') {
					_make_token(TK_OP_ASSIGN_BIT_XOR);
					INCPOS(1);
				} else {
					_make_token(TK_OP_BIT_XOR);
				}

			} break;
			case '~':
				_make_token(TK_OP_BIT_INVERT);
				break;
			case '&': {
				if (GETCHAR(1)=='&') {

					_make_token(TK_OP_AND);
					INCPOS(1);
				} else if (GETCHAR(1)=='=') {
					_make_token(TK_OP_ASSIGN_BIT_AND);
					INCPOS(1);
				} else {
					_make_token(TK_OP_BIT_AND);
				}
			} break;
			case '|': {
				if (GETCHAR(1)=='|') {

					_make_token(TK_OP_OR);
					INCPOS(1);
				} else if (GETCHAR(1)=='=') {
					_make_token(TK_OP_ASSIGN_BIT_OR);
					INCPOS(1);
				} else {
					_make_token(TK_OP_BIT_OR);
				}
			} break;
			case '*': {

				if (GETCHAR(1)=='=') {
					_make_token(TK_OP_ASSIGN_MUL);
					INCPOS(1);
				} else {
					_make_token(TK_OP_MUL);
				}
			} break;
			case '+': {

				if (GETCHAR(1)=='=') {
					_make_token(TK_OP_ASSIGN_ADD);
					INCPOS(1);
				//}  else if (GETCHAR(1)=='+') {
				//	_make_token(TK_OP_PLUS_PLUS);
				//	INCPOS(1);
				} else {
					_make_token(TK_OP_ADD);
				}

			} break;
			case '-': {

				if (GETCHAR(1)=='=') {
					_make_token(TK_OP_ASSIGN_SUB);
					INCPOS(1);
				//}  else if (GETCHAR(1)=='-') {
				//	_make_token(TK_OP_MINUS_MINUS);
				//	INCPOS(1);
				} else {
					_make_token(TK_OP_SUB);
				}
			} break;
			case '%': {

				if (GETCHAR(1)=='=') {
					_make_token(TK_OP_ASSIGN_MOD);
					INCPOS(1);
				} else {
					_make_token(TK_OP_MOD);
				}
			} break;
			case '@':
				if( CharType(GETCHAR(1))!='"' && CharType(GETCHAR(1))!='\'' ) {
					_make_error("Unexpected '@'");
					return;
				}
				INCPOS(1);
				is_node_path=true;
				
			case '\'':
			case '"': {
	
				if (GETCHAR(0)=='\'')
					string_mode=STRING_SINGLE_QUOTE;
																	
																	
				int i=1;
				if (string_mode==STRING_DOUBLE_QUOTE && GETCHAR(i)=='"' && GETCHAR(i+1)=='"') {
					i+=2;
					string_mode=STRING_MULTILINE;

				}


				String str;
				while(true) {
					if (CharType(GETCHAR(i))==0) {

						_make_error("Unterminated String");
						return;
					} else if( string_mode==STRING_DOUBLE_QUOTE && CharType(GETCHAR(i))=='"' ) {
						break;
					} else if( string_mode==STRING_SINGLE_QUOTE && CharType(GETCHAR(i))=='\'' ) {
						break;
					} else if( string_mode==STRING_MULTILINE && CharType(GETCHAR(i))=='\"' &&  CharType(GETCHAR(i+1))=='\"' && CharType(GETCHAR(i+2))=='\"') {
						i+=2;
						break;
					} else if( string_mode!=STRING_MULTILINE && CharType(GETCHAR(i))=='\n') {
						_make_error("Unexpected EOL at String.");
						return;

					} else if (CharType(GETCHAR(i))=='\\') {
						//escaped characters...
						i++;
						CharType next = GETCHAR(i);
						if (next==0) {
							_make_error("Unterminated String");
							return;
						}
						CharType res=0;

						switch(next) {

							case 'a': res=7; break;
							case 'b': res=8; break;
							case 't': res=9; break;
							case 'n': res=10; break;
							case 'v': res=11; break;
							case 'f': res=12; break;
							case 'r': res=13; break;
							case '\'': res='\''; break;
							case '\"': res='\"'; break;
							case '\\': res='\\'; break;
							case '/': res='/'; break; //wtf

							case 'u': {
								//hexnumbarh - oct is deprecated
								i+=1;
								for(int j=0;j<4;j++) {
									CharType c = GETCHAR(i+j);
									if (c==0) {
										_make_error("Unterminated String");
										return;
									}
									if (!((c>='0' && c<='9') || (c>='a' && c<='f') || (c>='A' && c<='F'))) {

										_make_error("Malformed hex constant in string");
										return;
									}
									CharType v;
									if (c>='0' && c<='9') {
										v=c-'0';
									} else if (c>='a' && c<='f') {
										v=c-'a';
										v+=10;
									} else if (c>='A' && c<='F') {
										v=c-'A';
										v+=10;
									} else {
										ERR_PRINT("BUG");
										v=0;
									}

									res<<=4;
									res|=v;


								}
								i+=3;

							} break;
							default: {

								_make_error("Invalid escape sequence");
								return;
							} break;
						}

						str+=res;

					} else {
						str+=CharType(GETCHAR(i));
					}
					i++;
				}
				INCPOS(i);

				if (is_node_path) {
					_make_constant(NodePath(str));
				} else {
					_make_constant(str);
				}

			} break;
			case 0xFFFF: {
				_make_token(TK_CURSOR);
			} break;
			default: {

				if (_is_number(GETCHAR(0)) || (GETCHAR(0)=='.' && _is_number(GETCHAR(1)))) {
					// parse number
					bool period_found=false;
					bool exponent_found=false;
					bool hexa_found=false;
					bool sign_found=false;

					String str;
					int i=0;

					while(true) {
						if (GETCHAR(i)=='.') {
							if (period_found || exponent_found) {
                                _make_error("Invalid numeric constant at '.'");
								return;
							}
							period_found=true;
						} else if (GETCHAR(i)=='x') {
                            if (hexa_found || str.length()!=1 || !( (i==1 && str[0]=='0') || (i==2 && str[1]=='0' && str[0]=='-') ) ) {
                                _make_error("Invalid numeric constant at 'x'");
								return;
							}
							hexa_found=true;
                        } else if (!hexa_found && GETCHAR(i)=='e') {
							if (hexa_found || exponent_found) {
                                _make_error("Invalid numeric constant at 'e'");
								return;
							}
							exponent_found=true;
						} else if (_is_number(GETCHAR(i))) {
							//all ok
						} else if (hexa_found && _is_hex(GETCHAR(i))) {

						} else if ((GETCHAR(i)=='-' || GETCHAR(i)=='+') && exponent_found) {
							if (sign_found) {
                                _make_error("Invalid numeric constant at '-'");
								return;
							}
							sign_found=true;
						} else
							break;

						str+=CharType(GETCHAR(i));
						i++;
					}

                    if (!( _is_number(str[str.length()-1]) || (hexa_found && _is_hex(str[str.length()-1])))) {
                        _make_error("Invalid numeric constant: "+str);
						return;
					}

					INCPOS(str.length());
                    if (hexa_found) {
                        int val = str.hex_to_int();
                        _make_constant(val);
                    } else if (period_found) {
						real_t val = str.to_double();
						//print_line("*%*%*%*% to convert: "+str+" result: "+rtos(val));
						_make_constant(val);
                    } else {
						int val = str.to_int();
						_make_constant(val);

					}

					return;
				}

				if (GETCHAR(0)=='.') {
					//parse period
					_make_token(TK_PERIOD);
					break;
				}

				if (_is_text_char(GETCHAR(0))) {
					// parse identifier
					String str;
					str+=CharType(GETCHAR(0));

					int i=1;
					while(_is_text_char(GETCHAR(i))) {
						str+=CharType(GETCHAR(i));
						i++;
					}

					bool identifier=false;

					if (str=="null") {
						_make_constant(Variant());

					} else if (str=="true") {
						_make_constant(true);

					} else if (str=="false") {
						_make_constant(false);
					} else {

						bool found=false;

						struct _bit { Variant::Type type; const char *text;};
						//built in types

						static const  _bit type_list[]={
							//types
							{Variant::BOOL,"bool"},
							{Variant::INT,"int"},
							{Variant::REAL,"float"},
							{Variant::STRING,"String"},
							{Variant::VECTOR2,"vec2"},
							{Variant::VECTOR2,"Vector2"},
							{Variant::RECT2,"Rect2"},
							{Variant::MATRIX32,"Matrix32"},
							{Variant::MATRIX32,"mat32"},
							{Variant::VECTOR3,"vec3"},
							{Variant::VECTOR3,"Vector3"},
							{Variant::_AABB,"AABB"},
							{Variant::_AABB,"Rect3"},
							{Variant::PLANE,"Plane"},
							{Variant::QUAT,"Quat"},
							{Variant::MATRIX3,"mat3"},
							{Variant::MATRIX3,"Matrix3"},
							{Variant::TRANSFORM,"trn"},
							{Variant::TRANSFORM,"Transform"},
							{Variant::COLOR,"Color"},
							{Variant::IMAGE,"Image"},
							{Variant::_RID,"RID"},
							{Variant::OBJECT,"Object"},
							{Variant::INPUT_EVENT,"InputEvent"},
							{Variant::NODE_PATH,"NodePath"},
							{Variant::DICTIONARY,"dict"},
							{Variant::DICTIONARY,"Dictionary"},
							{Variant::ARRAY,"Array"},
							{Variant::RAW_ARRAY,"RawArray"},
							{Variant::INT_ARRAY,"IntArray"},
							{Variant::REAL_ARRAY,"FloatArray"},
							{Variant::STRING_ARRAY,"StringArray"},
							{Variant::VECTOR2_ARRAY,"Vector2Array"},
							{Variant::VECTOR3_ARRAY,"Vector3Array"},
							{Variant::COLOR_ARRAY,"ColorArray"},
							{Variant::VARIANT_MAX,NULL},
						};

						{


							int idx=0;

							while(type_list[idx].text) {

								if (str==type_list[idx].text) {
									_make_type(type_list[idx].type);
									found=true;
									break;
								}
								idx++;
							}
						}

						if (!found) {

							//built in func?

							for(int i=0;i<GDFunctions::FUNC_MAX;i++) {

								if (str==GDFunctions::get_func_name(GDFunctions::Function(i))) {

									_make_built_in_func(GDFunctions::Function(i));
									found=true;
									 break;
								}
							}

							//keywor
						}

						if (!found) {


							struct _kws { Token token; const char *text;};

							static const  _kws keyword_list[]={
								//ops
								{TK_OP_IN,"in"},
								{TK_OP_NOT,"not"},
								{TK_OP_OR,"or"},
								{TK_OP_AND,"and"},
								//func
								{TK_PR_FUNCTION,"func"},
								{TK_PR_FUNCTION,"function"},
								{TK_PR_CLASS,"class"},
								{TK_PR_EXTENDS,"extends"},
								{TK_PR_TOOL,"tool"},
								{TK_PR_STATIC,"static"},
								{TK_PR_EXPORT,"export"},
								{TK_PR_SETGET,"setget"},
								{TK_PR_VAR,"var"},
								{TK_PR_PRELOAD,"preload"},
								{TK_PR_ASSERT,"assert"},
								{TK_PR_YIELD,"yield"},
								{TK_PR_CONST,"const"},
								//controlflow
								{TK_CF_IF,"if"},
								{TK_CF_ELIF,"elif"},
								{TK_CF_ELSE,"else"},
								{TK_CF_FOR,"for"},
								{TK_CF_WHILE,"while"},
								{TK_CF_DO,"do"},
								{TK_CF_SWITCH,"switch"},
								{TK_CF_BREAK,"break"},
								{TK_CF_CONTINUE,"continue"},
								{TK_CF_RETURN,"return"},
								{TK_CF_PASS,"pass"},
								{TK_SELF,"self"},
								{TK_ERROR,NULL}
							};

							int idx=0;
							found=false;

							while(keyword_list[idx].text) {

								if (str==keyword_list[idx].text) {
									_make_token(keyword_list[idx].token);
									found=true;
									break;
								}
								idx++;
							}
						}

						if (!found)
							identifier=true;
					}


					if (identifier) {
						_make_identifier(str);
					}
					INCPOS(str.length());
					return;
				}

				_make_error("Unknown character");
				return;

			} break;
		}

		INCPOS(1);
		break;
	}

}