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Working type grammar

release/4.3a0
dellaert 2014-11-30 11:19:23 +01:00
parent e98ec62804
commit f32f5c7ff2
1 changed files with 32 additions and 9 deletions
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41
wrap/tests/testType.cpp
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@ -21,6 +21,8 @@
#include <boost/spirit/include/classic_core.hpp>
#include <boost/spirit/include/classic_push_back_actor.hpp>
#include <boost/spirit/include/classic_clear_actor.hpp>
#include <boost/spirit/include/classic_assign_actor.hpp>
#include <CppUnitLite/TestHarness.h>
using namespace std;
@ -46,10 +48,13 @@ struct type_grammar: public grammar<type_grammar> {
typedef rule<ScannerT> Rule;
Rule basisType_p, keywords_p, eigenType_p, stlType_p, className_p,
namepsace_p, namespace_del_p, qualified_p, type_p;
Rule void_p, basisType_p, eigenType_p, keywords_p, stlType_p, className_p,
namepsace_p, namespace_del_p, class_p, type_p;
definition(type_grammar const& self) {
void_p = str_p("void")[assign_a(self.result_.name)];
basisType_p = (str_p("string") | "bool" | "size_t" | "int" | "double"
| "char" | "unsigned char")[assign_a(self.result_.name)];
@ -58,7 +63,6 @@ struct type_grammar: public grammar<type_grammar> {
keywords_p = (str_p("const") | "static" | "namespace" | "void"
| basisType_p);
//Rule for STL Containers (class names are lowercase)
stlType_p = (str_p("vector") | "list");
className_p = (lexeme_d[upper_p >> *(alnum_p | '_')] - eigenType_p
@ -69,10 +73,10 @@ struct type_grammar: public grammar<type_grammar> {
namespace_del_p = namepsace_p[push_back_a(self.result_.namespaces)]
>> str_p("::");
qualified_p = *namespace_del_p
>> className_p[assign_a(self.result_.name)];
class_p = *namespace_del_p >> className_p[assign_a(self.result_.name)];
type_p = basisType_p | eigenType_p;
type_p = eps_p[clear_a(self.result_)] //
>> void_p | basisType_p | eigenType_p | class_p;
}
Rule const& start() const {
@ -88,13 +92,32 @@ TEST( spirit, grammar ) {
Qualified actual;
type_grammar type_g(actual);
// a basic type
EXPECT(parse("double", type_g, space_p).full);
EXPECT(actual.name=="double");
// a class type with namespaces
EXPECT(parse("gtsam::internal::Point2", type_g, space_p).full);
EXPECT(actual.name=="Point2");
EXPECT_LONGS_EQUAL(2, actual.namespaces.size());
EXPECT(actual.namespaces[0]=="gtsam");
EXPECT(actual.namespaces[1]=="internal");
// a class type with no namespaces
EXPECT(parse("Point2", type_g, space_p).full);
EXPECT(actual.name=="Point2");
EXPECT(actual.namespaces.empty());
// an Eigen type
EXPECT(parse("Vector", type_g, space_p).full);
EXPECT(actual.name=="Vector");
EXPECT(actual.namespaces.empty());
// a basic type
EXPECT(parse("double", type_g, space_p).full);
EXPECT(actual.name=="double");
EXPECT(actual.namespaces.empty());
// void
EXPECT(parse("void", type_g, space_p).full);
EXPECT(actual.name=="void");
EXPECT(actual.namespaces.empty());
}
//******************************************************************************