Changeset e472d54

Timestamp:

Oct 3, 2017, 3:34:51 PM (7 years ago)

Author:

Aaron Moss <a3moss@…>

Branches:

ADT, aaron-thesis, arm-eh, ast-experimental, cleanup-dtors, deferred_resn, demangler, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, pthread-emulation, qualifiedEnum, resolv-new, with_gc

Children:

a585396

Parents:

aeb75b1

Message:

Remove broken polymorphic exponentiation from prelude

Location:

src

Files:

• ResolvExpr/AlternativeFinder.h (modified) (1 diff)
• prelude/builtins.c (modified) (1 diff)

src/ResolvExpr/AlternativeFinder.h

@@ -121 +121 @@
                 /// Adds alternatives for offsetof expressions, given the base type and name of the member
                 template< typename StructOrUnionType > void addOffsetof( StructOrUnionType *aggInst, const std::string &name );
-/*CUT   bool instantiateFunction( std::list< DeclarationWithType* >& formals, const AltList &actuals, bool isVarArgs, OpenVarSet& openVars, TypeEnvironment &resultEnv, AssertionSet &resultNeed, AssertionSet &resultHave, AltList & out );
-                template< typename OutputIterator >
-                void makeFunctionAlternatives( const Alternative &func, FunctionType *funcType, const AltList &actualAlt, OutputIterator out );
-*/              template<typename OutputIterator>
+                template<typename OutputIterator>
                 void makeFunctionAlternatives( const Alternative &func, FunctionType *funcType, const std::vector< AlternativeFinder >& args, OutputIterator out );
                 template< typename OutputIterator >

src/prelude/builtins.c

@@ -80 +80 @@
 } // ?\?
 
-static inline forall( otype T | { void ?{}( T & this, one_t ); T ?*?( T, T ); double ?/?( double, T ); } )
-double ?\?( T x, signed long int y ) {
-    if ( y >=  0 ) return (double)(x \ (unsigned long int)y);
-    else return 1.0 / x \ (unsigned long int)(-y);
-} // ?\?
+// FIXME (x \ (unsigned long int)y) relies on X ?\?(T, unsigned long) a function that is neither 
+// defined, nor passed as an assertion parameter. Without user-defined conversions, cannot specify 
+// X as a type that casts to double, yet it doesn't make sense to write functions with that type 
+// signature where X is double.
+
+// static inline forall( otype T | { void ?{}( T & this, one_t ); T ?*?( T, T ); double ?/?( double, T ); } )
+// double ?\?( T x, signed long int y ) {
+//     if ( y >=  0 ) return (double)(x \ (unsigned long int)y);
+//     else return 1.0 / x \ (unsigned long int)(-y);
+// } // ?\?
 
 static inline long int ?\=?( long int & x, unsigned long int y ) { x = x \ y; return x; }