ReturnType grammar

release/4.3a0
dellaert 2014-11-30 23:24:24 +01:00
parent dc42773f1e
commit c661329ac1
3 changed files with 74 additions and 3 deletions

View File

@ -22,6 +22,8 @@ struct ReturnType: public Qualified {
bool isPtr;
friend struct ReturnValueGrammar;
/// Makes a void type
ReturnType() :
isPtr(false) {

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@ -25,6 +25,8 @@ struct ReturnValue {
bool isPair;
ReturnType type1, type2;
friend struct ReturnValueGrammar;
/// Constructor
ReturnValue() :
isPair(false) {

View File

@ -34,13 +34,71 @@ TEST( ReturnType, Constructor1 ) {
//******************************************************************************
TEST( ReturnType, Constructor2 ) {
ReturnType actual("Point3",Qualified::CLASS, true);
ReturnType actual("Point3", Qualified::CLASS, true);
EXPECT(actual.namespaces().empty());
EXPECT(actual.name()=="Point3");
EXPECT(actual.category==Qualified::CLASS);
EXPECT(actual.isPtr);
}
//******************************************************************************
// http://boost-spirit.com/distrib/spirit_1_8_2/libs/spirit/doc/grammar.html
struct ReturnTypeGrammar: public classic::grammar<ReturnTypeGrammar> {
wrap::ReturnType& result_; ///< successful parse will be placed in here
TypeGrammar type_g;
/// Construct ReturnType grammar and specify where result is placed
ReturnTypeGrammar(wrap::ReturnType& result) :
result_(result), type_g(result_) {
}
/// Definition of type grammar
template<typename ScannerT>
struct definition {
classic::rule<ScannerT> type_p;
definition(ReturnTypeGrammar const& self) {
using namespace classic;
type_p = self.type_g >> !ch_p('*')[assign_a(self.result_.isPtr, T)];
}
classic::rule<ScannerT> const& start() const {
return type_p;
}
};
};
// ReturnTypeGrammar
//******************************************************************************
TEST( ReturnType, grammar ) {
using classic::space_p;
// Create type grammar that will place result in actual
ReturnType actual;
ReturnTypeGrammar g(actual);
EXPECT(parse("Point3", g, space_p).full);
EXPECT( actual==ReturnType("Point3"));
actual.clear();
EXPECT(parse("Test*", g, space_p).full);
EXPECT( actual==ReturnType("Test",Qualified::CLASS,true));
actual.clear();
EXPECT(parse("VectorNotEigen", g, space_p).full);
EXPECT(actual==ReturnType("VectorNotEigen"));
actual.clear();
EXPECT(parse("double", g, space_p).full);
EXPECT(actual==ReturnType("double",Qualified::BASIS));
actual.clear();
}
//******************************************************************************
TEST( ReturnValue, Constructor ) {
ReturnValue actual(ReturnType("Point2"), ReturnType("Point3"));
@ -55,7 +113,7 @@ struct ReturnValueGrammar: public classic::grammar<ReturnValueGrammar> {
wrap::ReturnValue& result_; ///< successful parse will be placed in here
TypeGrammar returnType1_g, returnType2_g;
ReturnTypeGrammar returnType1_g, returnType2_g;
/// Construct type grammar and specify where result is placed
ReturnValueGrammar(wrap::ReturnValue& result) :
@ -97,7 +155,16 @@ TEST( ReturnValue, grammar ) {
EXPECT(parse("pair<Point2,Point3>", g, space_p).full);
EXPECT( actual==ReturnValue(ReturnType("Point2"),ReturnType("Point3")));
cout << actual << endl;
actual.clear();
EXPECT(parse("pair<Test*,Test>", g, space_p).full);
EXPECT( actual==ReturnValue( //
ReturnType("Test",Qualified::CLASS,true),ReturnType("Test")));
actual.clear();
EXPECT(parse("pair<Test,Test*>", g, space_p).full);
EXPECT( actual==ReturnValue(ReturnType("Test"), //
ReturnType("Test",Qualified::CLASS,true)));
actual.clear();
EXPECT(parse("VectorNotEigen", g, space_p).full);