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Fix warnings and bugs related to unused variables.

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2013-09-19 22:38:55 -07:00
parent 2b72c5f681
commit 651c5d6751
4 changed files with 11 additions and 8 deletions
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6
src/frontends/lean/elaborator.cpp
View file

@ -483,7 +483,7 @@ class elaborator::imp {
return process(e, ctx).second;
}
bool is_simple_ho_match(expr const & e1, expr const & e2, context const & ctx) {
bool is_simple_ho_match(expr const & e1, context const & ctx) {
if (is_app(e1) && is_metavar(arg(e1, 0)) && is_var(arg(e1, 1), 0) && num_args(e1) == 2 && !empty(ctx)) {
return true;
} else {
@ -712,10 +712,10 @@ class elaborator::imp {
for (unsigned i = 0; i < num; i++) {
m_constraints.push_back(constraint(arg(new_lhs, i), arg(new_rhs, i), c));
}
} else if (is_simple_ho_match(new_lhs, new_rhs, c.m_ctx)) {
} else if (is_simple_ho_match(new_lhs, c.m_ctx)) {
delayed = 0;
unify_simple_ho_match(new_lhs, new_rhs, c);
} else if (is_simple_ho_match(new_rhs, new_lhs, c.m_ctx)) {
} else if (is_simple_ho_match(new_rhs, c.m_ctx)) {
delayed = 0;
unify_simple_ho_match(new_rhs, new_lhs, c);
} else if (has_assigned_metavar(new_lhs)) {

5
src/frontends/lean/parser.cpp
View file

@ -708,7 +708,10 @@ class parser::imp {
buffer<std::pair<pos_info, name>> names;
parse_names(names);
expr type;
if (curr_is_colon()) {
if (!suppress_type) {
check_colon_next("invalid binder, ':' expected");
type = parse_expr();
} else if (curr_is_colon()) {
next();
type = parse_expr();
}

4
src/kernel/normalizer.cpp
View file

@ -97,7 +97,7 @@ class normalizer::imp {
}
};
svalue lookup(value_stack const & s, unsigned i, unsigned k) {
svalue lookup(value_stack const & s, unsigned i) {
unsigned j = i;
value_stack const * it1 = &s;
while (*it1) {
@ -202,7 +202,7 @@ class normalizer::imp {
}
break;
case expr_kind::Var:
r = lookup(s, var_idx(a), k);
r = lookup(s, var_idx(a));
break;
case expr_kind::Constant: {
object const & obj = m_env.get_object(const_name(a));

4
src/library/ho_unifier.cpp
View file

@ -285,12 +285,12 @@ class ho_unifier::imp {
}
/** \brief Creates a subproblem based on the application arguments */
bool process_app_args(context const & ctx, expr const & a, expr const & b, unsigned) {
bool process_app_args(context const & ctx, expr const & a, expr const & b, unsigned start) {
lean_assert(is_app(a) && is_app(b));
if (num_args(a) != num_args(b)) {
return false;
} else {
for (unsigned i = 1; i < num_args(a); i++) {
for (unsigned i = start; i < num_args(a); i++) {
add_constraint(ctx, arg(a, i), arg(b, i));
}
return true;