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Added word alternates for operators in expressions:

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+   plus
  -   minus
  *   times or mul
  /   div
  %   mod
  !   not
  ~   bnot
  &&  and
  &   band
  ||  or
  |   bor
  ^   bxor
  lt  <
  le  <=
  gt  >
  ge  >=
  eq  ==
  ne  !=

Changed cheat escaping to automatically escape && & < and <=
to and band lt and le.
This commit is contained in:
Aaron Giles 2008-08-07 06:48:04 +00:00
parent 3153693306
commit ce00409cce
2 changed files with 61 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
src/emu/cheat.c
View File

@ -1383,19 +1383,26 @@ static void script_entry_free(script_entry *entry)
static astring *quote_astring_expression(astring *string, int isattribute)
{
if (isattribute)
{
astring_replacec(string, 0, "&", "&amp;");
astring_replacec(string, 0, "<", "&lt;");
}
else
{
if (astring_chr(string, 0, '&') != -1 || astring_chr(string, 0, '<') != -1)
{
astring_insc(string, 0, "<![CDATA[ ");
astring_catc(string, " ]]>");
}
}
astring_replacec(string, 0, " && ", " and ");
astring_replacec(string, 0, " &&", " and ");
astring_replacec(string, 0, "&& ", " and ");
astring_replacec(string, 0, "&&", " and ");
astring_replacec(string, 0, " & ", " band ");
astring_replacec(string, 0, " &", " band ");
astring_replacec(string, 0, "& ", " band ");
astring_replacec(string, 0, "&", " band ");
astring_replacec(string, 0, " <= ", " le ");
astring_replacec(string, 0, " <=", " le ");
astring_replacec(string, 0, "<= ", " le ");
astring_replacec(string, 0, "<=", " le ");
astring_replacec(string, 0, " < ", " lt ");
astring_replacec(string, 0, " <", " lt ");
astring_replacec(string, 0, "< ", " lt ");
astring_replacec(string, 0, "<", " lt ");
return string;
}
@ -1474,4 +1481,3 @@ static void cheat_variable_set(void *ref, UINT64 value)
{
*(UINT64 *)ref = value;
}

42
src/emu/debug/express.c
View File

@ -832,10 +832,50 @@ static EXPRERR parse_string_into_tokens(const char *stringstart, parsed_expressi
break;
}
}
/* empty string is automatically invalid */
if (buffer[0] == 0)
return MAKE_EXPRERR_INVALID_TOKEN(token->offset);
/* check for wordy variants on standard operators */
else if (strcmp(buffer, "bnot") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_NOT, TIN_PRECEDENCE_2);
else if (strcmp(buffer, "plus") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_ADD, TIN_PRECEDENCE_4);
else if (strcmp(buffer, "minus") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_SUBTRACT, TIN_PRECEDENCE_4);
else if (strcmp(buffer, "times") == 0 || strcmp(buffer, "mul") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_MULTIPLY, TIN_PRECEDENCE_3);
else if (strcmp(buffer, "div") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_DIVIDE, TIN_PRECEDENCE_3);
else if (strcmp(buffer, "mod") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_MODULO, TIN_PRECEDENCE_3);
else if (strcmp(buffer, "lt") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_LESS, TIN_PRECEDENCE_6);
else if (strcmp(buffer, "le") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_LESSOREQUAL, TIN_PRECEDENCE_6);
else if (strcmp(buffer, "gt") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_GREATER, TIN_PRECEDENCE_6);
else if (strcmp(buffer, "ge") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_GREATEROREQUAL, TIN_PRECEDENCE_6);
else if (strcmp(buffer, "eq") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_EQUAL, TIN_PRECEDENCE_7);
else if (strcmp(buffer, "ne") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_NOTEQUAL, TIN_PRECEDENCE_7);
else if (strcmp(buffer, "not") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_COMPLEMENT, TIN_PRECEDENCE_2);
else if (strcmp(buffer, "and") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_LAND, TIN_PRECEDENCE_8);
else if (strcmp(buffer, "band") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_BAND, TIN_PRECEDENCE_8);
else if (strcmp(buffer, "or") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_LOR, TIN_PRECEDENCE_12);
else if (strcmp(buffer, "bor") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_BOR, TIN_PRECEDENCE_10);
else if (strcmp(buffer, "bxor") == 0)
SET_TOKEN_INFO(0, TOK_OPERATOR, TVL_BXOR, TIN_PRECEDENCE_9);
/* process anything else as a number or string */
else
{
/* if we have a number prefix, assume it is a number */