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Make sure formatter can be used even when associated frontend is not in scope.

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2013-08-17 12:33:19 -07:00
parent 6edae938b7
commit 80ec48c93d
2 changed files with 15 additions and 4 deletions
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2
src/frontend/pp.cpp
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@ -574,7 +574,7 @@ public:
}; };
class pp_formatter_cell : public formatter_cell { class pp_formatter_cell : public formatter_cell {
frontend const & m_frontend; frontend m_frontend;
options m_options; options m_options;
unsigned m_indent; unsigned m_indent;

13
src/tests/frontend/frontend.cpp
View file

@ -8,6 +8,7 @@ Author: Leonardo de Moura
#include "environment.h" #include "environment.h"
#include "operator_info.h" #include "operator_info.h"
#include "kernel_exception.h" #include "kernel_exception.h"
#include "builtin.h"
#include "pp.h" #include "pp.h"
#include "test.h" #include "test.h"
using namespace lean; using namespace lean;
@ -57,7 +58,6 @@ static void tst3() {
static void tst4() { static void tst4() {
frontend f; frontend f;
formatter fmt = mk_pp_formatter(f); formatter fmt = mk_pp_formatter(f);
expr Bool = Const("Bool");
context c; context c;
c = extend(c, "x", Bool); c = extend(c, "x", Bool);
c = extend(c, "y", Bool); c = extend(c, "y", Bool);
@ -105,6 +105,16 @@ static void tst6() {
std::cout << fmt(env) << "\n"; std::cout << fmt(env) << "\n";
} }
static formatter mk() {
frontend f;
return mk_pp_formatter(f);
}
static void tst7() {
formatter fmt = mk();
std::cout << fmt(And(Const("x"), Const("y"))) << "\n";
}
int main() { int main() {
tst1(); tst1();
tst2(); tst2();
@ -112,5 +122,6 @@ int main() {
tst4(); tst4();
tst5(); tst5();
tst6(); tst6();
tst7();
return has_violations() ? 1 : 0; return has_violations() ? 1 : 0;
} }