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operators &= and |=

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This commit is contained in:
Wolfgang (Blub) Bumiller 2012-11-23 14:28:11 +01:00
parent 553f3df5df
commit 122e80cc4d
3 changed files with 24 additions and 0 deletions
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17
parser.c
View file

@ -1015,6 +1015,23 @@ static bool parser_sy_pop(parser_t *parser, shunt *sy)
return false;
};
break;
case opid2('&','='):
case opid2('|','='):
if (NotSameType(TYPE_FLOAT)) {
ast_type_to_string(exprs[0], ty1, sizeof(ty1));
ast_type_to_string(exprs[1], ty2, sizeof(ty2));
parseerror(parser, "invalid types used in expression: %s and %s",
ty1, ty2);
return false;
}
if (ast_istype(exprs[0], ast_entfield))
assignop = type_storep_instr[exprs[0]->expression.vtype];
else
assignop = type_store_instr[exprs[0]->expression.vtype];
out = (ast_expression*)ast_binstore_new(ctx, assignop,
(op->id == opid2('&','=') ? INSTR_BITAND : INSTR_BITOR),
exprs[0], exprs[1]);
break;
}
#undef NotSameType

5
tests/operators.qc
View file

@ -51,4 +51,9 @@ void main() {
v = '3 4 5';
print(vtos(v *= 2), " = '6 8 10'\n");
print(vtos(v /= 2), " = '3 4 5'\n");
// bit compounds
a = 1;
print(ftos(a |= 2), " = 3\n");
print(ftos(a &= 6), " = 2\n");
}

2
tests/operators.tmpl
View file

@ -16,3 +16,5 @@ M: 6 = 6
M: 3 = 3
M: '6 8 10' = '6 8 10'
M: '3 4 5' = '3 4 5'
M: 3 = 3
M: 2 = 2