public void lex_init()
{
if (inited)
{
return;
}
keywords = PtrBuffer.Create();
assign_token_to_binary_token[(int)TOKEN_ADD_ASSIGN] = TOKEN_ADD;
assign_token_to_binary_token[(int)TOKEN_SUB_ASSIGN] = TOKEN_SUB;
assign_token_to_binary_token[(int)TOKEN_OR_ASSIGN] = TOKEN_OR;
assign_token_to_binary_token[(int)TOKEN_AND_ASSIGN] = TOKEN_AND;
assign_token_to_binary_token[(int)TOKEN_XOR_ASSIGN] = TOKEN_XOR;
assign_token_to_binary_token[(int)TOKEN_LSHIFT_ASSIGN] = TOKEN_LSHIFT;
assign_token_to_binary_token[(int)TOKEN_RSHIFT_ASSIGN] = TOKEN_RSHIFT;
assign_token_to_binary_token[(int)TOKEN_MUL_ASSIGN] = TOKEN_MUL;
assign_token_to_binary_token[(int)TOKEN_DIV_ASSIGN] = TOKEN_DIV;
assign_token_to_binary_token[(int)TOKEN_MOD_ASSIGN] = TOKEN_MOD;
init_tokens();
init_keywords();
char_to_digit['0'] = 0;
char_to_digit['1'] = 1;
char_to_digit['2'] = 2;
char_to_digit['3'] = 3;
char_to_digit['4'] = 4;
char_to_digit['5'] = 5;
char_to_digit['6'] = 6;
char_to_digit['7'] = 7;
char_to_digit['8'] = 8;
char_to_digit['9'] = 9;
char_to_digit['a'] = 10;
char_to_digit['b'] = 11;
char_to_digit['c'] = 12;
char_to_digit['d'] = 13;
char_to_digit['e'] = 14;
char_to_digit['f'] = 15;
char_to_digit['A'] = 10;
char_to_digit['B'] = 11;
char_to_digit['C'] = 12;
char_to_digit['D'] = 13;
char_to_digit['E'] = 14;
char_to_digit['F'] = 15;
escape_to_char['n'] = '\n';
escape_to_char['r'] = '\r';
escape_to_char['t'] = '\t';
escape_to_char['v'] = '\v';
escape_to_char['b'] = '\b';
escape_to_char['a'] = '\a';
escape_to_char['0'] = '\0';
escape_to_char['\\'] = '\\';
escape_to_char['\''] = '\'';
escape_to_char['\"'] = '\"';
}
Typespec *parse_type_tuple()
{
SrcPos pos = token.pos;
PtrBuffer *fields = PtrBuffer.Create();
while (!is_token(TOKEN_RBRACE))
{
Typespec *field = parse_type();
fields->Add(field);
if (!match_token(TOKEN_COMMA))
{
break;
}
}
expect_token(TOKEN_RBRACE);
return(new_typespec_tuple(pos, (Typespec **)fields->_begin, fields->count));
}
