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Fixed the parsing of comparison operators as well as their priorities. Fixes #155

This commit is contained in:
Lior Halphon 2019-06-08 16:08:07 +03:00
parent 0da2930109
commit 49d8a5cb44
1 changed files with 13 additions and 9 deletions
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22
Core/debugger.c
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@ -350,15 +350,15 @@ static struct {
{"&", 1, and},
{"^", 1, xor},
{"<<", 2, shleft},
{"<=", 3, lower_equals},
{"<", 3, lower},
{"<=", -1, lower_equals},
{"<", -1, lower},
{">>", 2, shright},
{">=", 3, greater_equals},
{">", 3, greater},
{"==", 3, equals},
{"=", -1, NULL, assign},
{"!=", 3, different},
{":", 4, bank},
{">=", -1, greater_equals},
{">", -1, greater},
{"==", -1, equals},
{"=", -2, NULL, assign},
{"!=", -1, different},
{":", 3, bank},
};
value_t debugger_evaluate(GB_gameboy_t *gb, const char *string,
@ -575,9 +575,13 @@ value_t debugger_evaluate(GB_gameboy_t *gb, const char *string,
for (int j = 0; j < sizeof(operators) / sizeof(operators[0]); j++) {
if (strlen(operators[j].string) > length - i) continue; // Operator too big.
// Priority higher than what we already have.
if (operator_index != -1 && operators[operator_index].priority < operators[j].priority) continue;
unsigned long operator_length = strlen(operators[j].string);
if (memcmp(string + i, operators[j].string, operator_length) == 0) {
if (operator_index != -1 && operators[operator_index].priority < operators[j].priority) {
/* for supporting = vs ==, etc*/
i += operator_length - 1;
continue;
}
// Found an operator!
operator_pos = i;
operator_index = j;