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More ternary fixes

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This commit is contained in:
Wolfgang (Blub) Bumiller 2012-12-01 00:50:04 +01:00
parent 43c0343755
commit b966cd4f4d
4 changed files with 19 additions and 2 deletions
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3
lexer.h
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@ -253,7 +253,6 @@ static const oper_info fte_operators[] = {
{ "!=", 2, opid2('!','='), ASSOC_LEFT, 10, 0 },
{ "?", 3, opid2('?',':'), ASSOC_RIGHT, 9, 0 },
{ ":", 3, opid2(':','?'), ASSOC_RIGHT, 9, 0 },
{ "=", 2, opid1('='), ASSOC_RIGHT, 8, 0 },
{ "+=", 2, opid2('+','='), ASSOC_RIGHT, 8, 0 },
@ -268,6 +267,8 @@ static const oper_info fte_operators[] = {
{ "&&", 2, opid2('&','&'), ASSOC_LEFT, 5, 0 },
{ "||", 2, opid2('|','|'), ASSOC_LEFT, 5, 0 },
{ ":", 0, opid2(':','?'), ASSOC_RIGHT, 3, 0 },
{ ",", 2, opid1(','), ASSOC_LEFT, 2, 0 }
};
static const size_t fte_operator_count = (sizeof(fte_operators) / sizeof(fte_operators[0]));

6
parser.c
View file

@ -513,6 +513,10 @@ static bool parser_sy_pop(parser_t *parser, shunt *sy)
vec_shrinkby(sy->ops, 1);
/* op(:?) has no input and no output */
if (!op->operands)
return true;
vec_shrinkby(sy->out, op->operands);
for (i = 0; i < op->operands; ++i) {
exprs[i] = sy->out[vec_size(sy->out)+i].out;
@ -1633,9 +1637,9 @@ static ast_expression* parse_expression_leave(parser_t *parser, bool stopatcomma
wantop = false;
--ternaries;
} else if (op->id == opid2(':','?')) {
/* we don't push this operator */
if (!parser_close_paren(parser, &sy, false))
goto onerr;
vec_push(sy.ops, syop(parser_ctx(parser), op));
wantop = false;
++ternaries;
} else {

9
tests/ternary.qc
View file

@ -12,6 +12,7 @@ void test(float cond, float v1, float v2, float a) {
}
void main() {
float a, b;
test(0, -99, 1, 1);
test(0, -99, 1, 2);
test(0, -99, 1, 3);
@ -24,4 +25,12 @@ void main() {
test(1, 0, -99, 1);
test(1, 0, -99, 2);
test(1, 0, -99, 3);
b = 5;
a = b ? 5 : 6;
print(ftos(a), "\n");
b ? a = 9 : a = 10;
print(ftos(a), "\n");
!b ? a = 9 : a = 10;
print(ftos(a), "\n");
}

3
tests/ternary.tmpl
View file

@ -14,3 +14,6 @@ M: 1 a=other
M: 0 not met
M: 0 not met
M: 0 not met
M: 5
M: 9
M: 10