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parser: check type for all integer only assignment operators

pull/2715/head
Daren Liang 2019-11-09 13:57:36 -05:00 committed by Alexander Medvednikov
parent b1d2c6c730
commit e6c9c7d571
1 changed files with 4 additions and 11 deletions
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15
vlib/compiler/parser.v
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@ -1301,20 +1301,13 @@ fn ($v.name mut $v.typ) $p.cur_fn.name (...) {
}
p.cgen.resetln('memcpy( (& $left), ($etype{$expr}), sizeof( $left ) );')
}
else if tok == .left_shift_assign || tok == .righ_shift_assign {
// check type for <<= >>= %= ^= &= |=
else if tok in [.left_shift_assign, .righ_shift_assign, .mod_assign, .xor_assign, .and_assign, .or_assign] {
if !is_integer_type(p.assigned_type) {
p.error_with_token_index( 'cannot use shift operator on non-integer type `$p.assigned_type`', errtok)
p.error_with_token_index( 'cannot use ${tok.str()} assignment operator on non-integer type `$p.assigned_type`', errtok)
}
if !is_integer_type(expr_type) {
p.error_with_token_index( 'cannot use non-integer type `$expr_type` as shift argument', errtok)
}
}
else if tok == .mod_assign {
if !is_integer_type(p.assigned_type) {
p.error_with_token_index( 'cannot use modulo operator on non-integer type `$p.assigned_type`', errtok)
}
if !is_integer_type(expr_type) {
p.error_with_token_index( 'cannot use non-integer type `$expr_type` as modulo argument', errtok)
p.error_with_token_index( 'cannot use non-integer type `$expr_type` as ${tok.str()} argument', errtok)
}
}
else if !p.builtin_mod && !p.check_types_no_throw(expr_type, p.assigned_type) {