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Refer to empty expression operators as simply NULL.

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This commit is contained in:
John Wiegley 2009-02-07 04:27:04 -04:00
parent eb98e0da8b
commit 682544ef17
5 changed files with 6 additions and 7 deletions
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2
src/account.cc
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@ -217,7 +217,7 @@ expr_t::ptr_op_t account_t::lookup(const string& name)
break;
}
return expr_t::ptr_op_t();
return NULL;
}
bool account_t::valid() const

2
src/item.cc
View file

@ -309,7 +309,7 @@ expr_t::ptr_op_t item_t::lookup(const string& name)
break;
}
return expr_t::ptr_op_t();
return NULL;
}
bool item_t::valid() const

3
src/op.cc
View file

@ -60,8 +60,7 @@ expr_t::ptr_op_t expr_t::op_t::compile(scope_t& scope)
ptr_op_t lhs(left()->compile(scope));
ptr_op_t rhs(kind > UNARY_OPERATORS && has_right() ?
(kind == O_LOOKUP ? right() : right()->compile(scope)) :
ptr_op_t());
(kind == O_LOOKUP ? right() : right()->compile(scope)) : NULL);
if (lhs == left() && (! rhs || rhs == right()))
return this;

4
src/op.h
View file

@ -287,8 +287,8 @@ public:
ostream_pos_type * end_pos;
bool relaxed;
context_t(const ptr_op_t& _expr_op = ptr_op_t(),
const ptr_op_t& _op_to_find = ptr_op_t(),
context_t(const ptr_op_t& _expr_op = NULL,
const ptr_op_t& _op_to_find = NULL,
ostream_pos_type * const _start_pos = NULL,
ostream_pos_type * const _end_pos = NULL,
const bool _relaxed = true)

2
src/scope.h
View file

@ -101,7 +101,7 @@ public:
virtual expr_t::ptr_op_t lookup(const string& name) {
if (parent)
return parent->lookup(name);
return expr_t::ptr_op_t();
return NULL;
}
};