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fix #1937

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-11-14 11:31:39 -08:00
parent 9b4cf1559d
commit 52910fa465
2 changed files with 18 additions and 5 deletions
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11
src/parsers/smt2/smt2parser.cpp
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@ -346,7 +346,8 @@ namespace smt2 {
// consume garbage
// return true if managed to recover from the error...
bool sync_after_error() {
while (true) {
unsigned num_errors = 0;
while (num_errors < 100) {
try {
while (curr_is_rparen())
next();
@ -374,8 +375,10 @@ namespace smt2 {
catch (scanner_exception & ex) {
SASSERT(ex.has_pos());
error(ex.line(), ex.pos(), ex.msg());
++num_errors;
}
}
return false;
}
void check_next(scanner::token t, char const * msg) {
@ -3117,7 +3120,7 @@ namespace smt2 {
bool operator()() {
m_num_bindings = 0;
bool found_errors = false;
unsigned found_errors = 0;
try {
scan_core();
@ -3126,7 +3129,7 @@ namespace smt2 {
error(ex.msg());
if (!sync_after_error())
return false;
found_errors = true;
found_errors++;
}
while (true) {
@ -3138,7 +3141,7 @@ namespace smt2 {
parse_cmd();
break;
case scanner::EOF_TOKEN:
return !found_errors;
return found_errors == 0;
default:
throw parser_exception("invalid command, '(' expected");
break;