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More fixes while completing sanity check for enums

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Typepunning failed, didn't know about the difference between C/C++ with strict aliasing in this specific case...
This commit is contained in:
Edward R. Gonzalez
2023-06-28 21:20:29 -04:00
parent 0192cd49ef
commit 44ab1c2fc3
7 changed files with 163 additions and 134 deletions
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204
project/gen.cpp
View File

@ -411,9 +411,7 @@ namespace gen
return false;
}
array_append( Entries, other );
other->Parent = this;
add_entry( other );
return true;
#else
log_failure( "AST::add: Incremental AST building is not enabled." );
@ -495,7 +493,7 @@ namespace gen
// This will naturally duplicate the entire chain duplicate all of the ast nodes.
// It may not be the most optimal way for memory reasons, however figuring out the heuristic
// For when it should reparent all nodes or not is not within the simple scope of this library.
result->add_entry( Entries[index]->duplicate() );
result->add_entry( entry(index)->duplicate() );
index++;
}
return result;
@ -506,7 +504,7 @@ namespace gen
}
String AST::to_string()
{
{
# define ProcessModuleFlags() \
if ( bitfield_is_equal( u32, ModuleFlags, ModuleFlag::Export )) \
result.append( "export " ); \
@ -616,15 +614,15 @@ namespace gen
s32 idx = 1;
if ( Entries[idx]->Type == Attributes )
if ( entry( idx )->Type == Attributes )
{
result.append_fmt( "%s ", Entries[idx]->to_string() );
result.append_fmt( "%s ", entry( idx )->to_string() );
idx++;
}
result.append( Name );
AST* parent = Entries[idx];
AST* parent = entry( idx );
if ( parent )
{
@ -668,43 +666,53 @@ namespace gen
result.append( "enum " );
s32 idx = 1;
if ( Entries[idx]->Type == Attributes )
if ( num_entries() > 1 )
{
result.append_fmt( "%s ", Entries[idx]->to_string() );
idx++;
}
s32 idx = 1;
if ( Entries[idx]->Type == Typename)
{
result.append_fmt( "%s : %s\n%s{\n"
, Name
, Entries[idx]->to_string()
, indent_str
);
AST* Entry = entry( idx);
if ( Entry->Type == Attributes )
{
result.append_fmt( "%s ", entry( idx )->to_string() );
idx++;
}
if ( Entry->Type == Typename)
{
result.append_fmt( "%s : %s\n{\n"
, Name
, entry( idx )->to_string()
);
}
else
{
result.append_fmt( "%s\n{\n"
, Name
);
}
}
else
{
result.append_fmt( result, "%s\n%s{\n"
result.append_fmt( "%s\n{\n"
, Name
, indent_str
);
}
result.append_fmt( result, "%s\n%s};"
result.append_fmt( "%s};"
, body()->to_string()
, indent_str
);
}
break;
case Enum_Fwd:
{
result.append( indent );
ProcessModuleFlags();
result.append_fmt( "enum %s : %s;\n", Name, Entries[1]->to_string() );
result.append_fmt( "enum %s : %s;", Name, entry( 0 )->to_string() );
}
break;
case Enum_Class:
@ -717,17 +725,17 @@ namespace gen
s32 idx = 0;
if ( Entries[idx]->Type == Attributes )
if ( entry( idx )->Type == Attributes )
{
result.append_fmt( "%s ", Entries[idx]->to_string() );
result.append_fmt( "%s ", entry( idx )->to_string() );
idx++;
}
if ( Entries[idx]->Type == Typename )
if ( entry( idx )->Type == Typename )
{
result.append_fmt( ": %s\n%s{\n"
, Name
, Entries[idx]->to_string()
, entry( idx )->to_string()
, indent_str
);
}
@ -756,13 +764,13 @@ namespace gen
s32 idx = 0;
if ( Entries[idx]->Type == Attributes )
if ( entry( idx )->Type == Attributes )
{
result.append_fmt( "%s ", Entries[idx]->to_string() );
result.append_fmt( "%s ", entry( idx )->to_string() );
idx++;
}
result.append_fmt( ": %s;\n", Name, Entries[idx]->to_string() );
result.append_fmt( ": %s;\n", Name, entry( idx )->to_string() );
}
break;
@ -778,7 +786,7 @@ namespace gen
s32 left = num_entries();
while ( left -- )
{
result.append_fmt( "%s\t%s\n", indent_str, Entries[index]->to_string() );
result.append_fmt( "%s\t%s\n", indent_str, entry( index )->to_string() );
index++;
}
@ -800,7 +808,7 @@ namespace gen
break;
case Friend:
result.append_fmt( "%sfriend %s;\n", indent_str, Entries[0]->to_string() );
result.append_fmt( "%sfriend %s;\n", indent_str, entry( 0 )->to_string() );
break;
case Function:
@ -812,27 +820,27 @@ namespace gen
u32 idx = 1;
u32 left = num_entries();
if ( Entries[idx]->Type == Attributes )
if ( entry( idx )->Type == Attributes )
{
result.append_fmt( "%s ", Entries[idx]->to_string() );
result.append_fmt( "%s ", entry( idx )->to_string() );
idx++;
left--;
}
if ( Entries[idx]->Type == Specifiers )
if ( entry( idx )->Type == Specifiers )
{
result.append_fmt( "%s\n", Entries[idx]->to_string() );
result.append_fmt( "%s\n", entry( idx )->to_string() );
idx++;
left--;
}
result.append_fmt( "%s %s(", Entries[idx]->to_string(), Name );
result.append_fmt( "%s %s(", entry( idx )->to_string(), Name );
idx++;
left--;
if ( left && Entries[idx]->Type == Parameters )
if ( left && entry( idx )->Type == Parameters )
{
result.append_fmt( "%s", Entries[idx]->to_string() );
result.append_fmt( "%s", entry( idx )->to_string() );
idx++;
left--;
}
@ -858,14 +866,14 @@ namespace gen
u32 idx = 0;
u32 left = num_entries();
AST* Entry = Entries[idx];
AST* Entry = entry( idx );
if ( Entry && Entry->Type == Attributes )
{
result.append_fmt( "%s ", Entry->to_string() );
idx++;
left--;
Entry = Entries[idx];
Entry = entry( idx );
}
if ( Entry && Entry->Type == Specifiers )
@ -873,7 +881,7 @@ namespace gen
result.append_fmt( "%s\n", Entry->to_string() );
idx++;
left--;
Entry = Entries[idx];
Entry = entry( idx );
}
if ( Entry && Entry->Type == Typename )
@ -881,7 +889,7 @@ namespace gen
result.append_fmt( "%s ", Entry->to_string() );
idx++;
left--;
Entry = Entries[idx];
Entry = entry( idx );
}
result.append_fmt( "%s(", Name );
@ -891,7 +899,7 @@ namespace gen
result.append_fmt("%s", Entry->to_string() );
idx++;
left--;
Entry = Entries[idx];
Entry = entry( idx );
}
else
{
@ -932,24 +940,24 @@ namespace gen
s32 idx = 1;
if ( Entries[idx]->Type == Attributes )
if ( entry( idx )->Type == Attributes )
{
result.append_fmt( "%s ", Entries[idx]->to_string() );
result.append_fmt( "%s ", entry( idx )->to_string() );
idx++;
}
if ( Entries[idx]->Type == Specifiers )
if ( entry( idx )->Type == Specifiers )
{
result.append_fmt( "%s\n", Entries[idx]->to_string() );
result.append_fmt( "%s\n", entry( idx )->to_string() );
idx++;
}
result.append_fmt( "%s operator %s (", Entries[idx]->to_string(), Name );
result.append_fmt( "%s operator %s (", entry( idx )->to_string(), Name );
idx++;
if ( Entries[idx]->Type == Parameters )
if ( entry( idx )->Type == Parameters )
{
result.append_fmt( "%s", Entries[idx]->to_string() );
result.append_fmt( "%s", entry( idx )->to_string() );
idx++;
}
else
@ -974,18 +982,18 @@ namespace gen
s32 idx = 0;
if ( Entries[idx]->Type == Specifiers )
if ( entry( idx )->Type == Specifiers )
{
result.append_fmt( "%s", Entries[idx]->to_string() );
result.append_fmt( "%s", entry( idx )->to_string() );
idx++;
}
result.append_fmt( "%s operator%s(", Entries[idx]->to_string(), Name );
result.append_fmt( "%s operator%s(", entry( idx )->to_string(), Name );
idx++;
if ( Entries[idx]->Type == Parameters )
if ( entry( idx )->Type == Parameters )
{
result.append_fmt( "%s);\n", Entries[idx]->to_string() );
result.append_fmt( "%s);\n", entry( idx )->to_string() );
idx++;
}
else
@ -997,15 +1005,15 @@ namespace gen
case Parameters:
{
result.append_fmt( "%s %s", Entries[0]->to_string(), Name );
result.append_fmt( "%s %s", entry( 0 )->to_string(), Name );
s32 index = 1;
s32 left = array_count( Entries ) - 1;
s32 left = num_entries() - 1;
while ( left--, left > 0 )
result.append_fmt( ", %s %s"
, Entries[index]->Entries[0]->to_string()
, Entries[index]->Name
, entry( index )->entry( 0 )->to_string()
, entry( index )->Name
);
}
break;
@ -1033,19 +1041,19 @@ namespace gen
s32 idx = 1;
if ( Entries[idx]->Type == Attributes )
if ( entry( idx )->Type == Attributes )
{
result.append_fmt( "%s ", Entries[idx]->to_string() );
result.append_fmt( "%s ", entry( idx )->to_string() );
idx++;
}
result.append_fmt( "%s ", Name );
if ( Entries[idx] )
if ( entry( idx ) )
{
char const* access_str = to_str( ParentAccess );
result.append_fmt( ": %s %s", access_str, Entries[idx]->to_string() );
result.append_fmt( ": %s %s", access_str, entry( idx )->to_string() );
}
result.append_fmt( "\n{\n%s\n};\n", body()->to_string() );
@ -1062,9 +1070,9 @@ namespace gen
s32 idx = 1;
if ( Entries[idx]->Type == Specifiers )
if ( entry( idx )->Type == Specifiers )
{
result.append_fmt( "%s ", Entries[idx]->to_string() );
result.append_fmt( "%s ", entry( idx )->to_string() );
idx++;
}
@ -1080,16 +1088,16 @@ namespace gen
s32 idx = 1;
if ( Entries[idx]->Type == Specifiers )
if ( entry( idx )->Type == Specifiers )
{
result.append_fmt( "%s", Entries[idx]->to_string() );
result.append_fmt( "%s", entry( idx )->to_string() );
idx++;
}
result.append_fmt( "%s %s", Entries[0]->to_string(), Name );
result.append_fmt( "%s %s", entry( 0 )->to_string(), Name );
if ( Entries[idx] )
result.append_fmt( " = %s", Entries[idx]->to_string() );
if ( entry( idx ) )
result.append_fmt( " = %s", entry( idx )->to_string() );
}
break;
@ -1099,18 +1107,18 @@ namespace gen
ProcessModuleFlags();
AST* type = Entries[0];
AST* type = entry( 0 );
if ( Entries[1] && Entries[1]->Type == Attributes )
if ( entry( 1 ) && entry( 1 )->Type == Attributes )
{
result.append_fmt( "%s ", Entries[1]->to_string() );
result.append_fmt( "%s ", entry( 1 )->to_string() );
}
result.append_fmt( "typedef %s %s", type->to_string(), Name );
if ( type->Entries[1] )
if ( type->entry( 1 ) )
{
result.append_fmt( "[%s];", type->Entries[1]->to_string() );
result.append_fmt( "[%s];", type->entry( 1 )->to_string() );
}
else
{
@ -1120,9 +1128,9 @@ namespace gen
break;
case Typename:
if ( num_entries() && Entries[0] )
if ( num_entries() && entry( 0 ) )
{
result.append_fmt( "%s %s", Name, Entries[0]->to_string() );
result.append_fmt( "%s %s", Name, entry( 0 )->to_string() );
}
else
{
@ -1140,9 +1148,9 @@ namespace gen
result.append( "union " );
if ( Entries[idx]->Type == Attributes )
if ( entry( idx )->Type == Attributes )
{
result.append_fmt( "%s ", Entries[idx]->to_string() );
result.append_fmt( "%s ", entry( idx )->to_string() );
idx++;
}
@ -1161,19 +1169,19 @@ namespace gen
ProcessModuleFlags();
AST* type = Entries[0];
AST* type = entry( 0 );
if ( Entries[1] && Entries[1]->Type == Attributes )
if ( entry( 1 ) && entry( 1 )->Type == Attributes )
{
result.append_fmt( "%s ", Entries[1]->to_string() );
result.append_fmt( "%s ", entry( 1 )->to_string() );
}
if ( type )
{
result.append_fmt( "using %s = %s", Name, type->to_string() );
if ( type->Entries[1] )
result.append_fmt( "[%s]", type->Entries[1]->to_string() );
if ( type->entry( 1 ) )
result.append_fmt( "[%s]", type->entry( 1 )->to_string() );
}
else
@ -1200,7 +1208,7 @@ namespace gen
s32 left = num_entries();
while ( left -- )
{
result.append_fmt( "%s%s\n", indent_str, Entries[index]->to_string() );
result.append_fmt( "%s%s\n", indent_str, entry( index )->to_string() );
index++;
}
}
@ -1471,20 +1479,6 @@ namespace gen
return result;
}
// Code get_cached_type( StrC name )
// {
// s32 hash_length = name.Len > kilobytes(1) ? kilobytes(1) : name.Len;
// s32 key = crc32( name.Ptr, hash_length );
// {
// Code* result = type_tbl_get( & StaticData::TypeMap, key );
// if ( result )
// return * result;
// }
// return Code::Invalid;
// }
/*
Used internally to retireve a Code object form the CodePool.
*/
@ -1533,7 +1527,6 @@ namespace gen
result->StaticIndex = 0;
result->Readonly = false;
result->DynamicEntries = false;
result->Entries = result->ArrStatic;
return result;
}
@ -2126,7 +2119,7 @@ namespace gen
result->add_entry( body );
}
else if ( specifier == EnumClass )
else
{
result->Type = specifier == EnumClass ?
Enum_Class_Fwd : Enum_Fwd;
@ -2354,7 +2347,6 @@ namespace gen
result = make_code();
result->Type = Namespace;
result->Name = get_cached_string( name );
result->Entries = make_code_entries();
result->ModuleFlags = mflags;
result->add_entry( body );

47
project/gen.hpp
View File

@ -396,15 +396,20 @@ namespace gen
inline
AST* body()
{
return Entries[0];
return entry( 0 );
}
AST* duplicate();
AST*& entry( u32 idx )
{
return DynamicEntries ? ArrDyn[ idx ] : ArrStatic[ idx ];
}
inline
bool has_entries()
{
return Entries[0];
return entry( 0 );
}
inline
@ -416,7 +421,7 @@ namespace gen
inline
s32 num_entries()
{
return DynamicEntries ? array_count(Entries) : StaticIndex;
return DynamicEntries ? array_count( ArrDyn ) : StaticIndex;
}
// Parameter
@ -429,7 +434,7 @@ namespace gen
if ( index <= 0 )
return this;
return Entries[ index + 1 ];
return entry( index + 1 );
}
inline
@ -442,7 +447,7 @@ namespace gen
inline
AST* param_type()
{
return Entries[0];
return entry( 0 );
}
// Specifiers
@ -492,7 +497,7 @@ namespace gen
inline
AST* typename_specifiers()
{
return Entries[0];
return entry( 0 );
}
// Serialization
@ -547,10 +552,12 @@ namespace gen
constexpr static
uw ArrSpecs_Cap = ArrS_Cap * (sizeof(AST*) / sizeof(SpecifierT));
// static_assert( sizeof( AST* ) * ArrS_Cap == sizeof( AST** ) * ArrS_Cap, "Blah" );
# define Using_AST_POD \
union { \
AST* ArrStatic[AST::ArrS_Cap]; \
Array(AST*) Entries; \
Array(AST*) ArrDyn; \
StringCached Content; \
SpecifierT ArrSpecs[AST::ArrSpecs_Cap]; \
}; \
@ -613,19 +620,13 @@ namespace gen
return Invalid;
}
if ( ast->Entries == nullptr || array_count(ast->Entries) == 0 )
{
log_failure("Code::body: Entries of ast not properly setup.");
return Invalid;
}
# ifdef GEN_ENFORCE_READONLY_AST
#ifdef GEN_ENFORCE_READONLY_AST
if ( ast->Readonly )
{
log_failure("Attempted to a body AST from a readonly AST!");
return Invalid;
}
# endif
#endif
return * (Code*)( ast->body() );
}
@ -691,13 +692,13 @@ namespace gen
return nullptr;
}
# ifdef GEN_ENFORCE_READONLY_AST
#ifdef GEN_ENFORCE_READONLY_AST
if ( ast->Readonly )
{
log_failure("Attempted to access a member from a readonly AST!");
return nullptr;
}
# endif
#endif
return ast;
}
@ -1162,7 +1163,7 @@ namespace gen
other->duplicate() : other;
if (DynamicEntries)
array_append( Entries, to_add );
array_append( ArrDyn, to_add );
else
{
@ -1173,16 +1174,16 @@ namespace gen
}
else
{
Entries = make_code_entries();
ArrDyn = make_code_entries();
s32 index = 0;
do
{
array_append( Entries, ArrStatic[index] );
array_append( ArrDyn, ArrStatic[index] );
}
while ( StaticIndex--, StaticIndex );
array_append( Entries, to_add );
array_append( ArrDyn, to_add );
}
}
@ -1213,7 +1214,7 @@ namespace gen
s32
score = 0;
score += Name == nullptr;
score += Entries[0] == nullptr;
score += entry( 0 ) == nullptr;
if ( score == 1 )
{
@ -1223,7 +1224,7 @@ namespace gen
else if ( score == 2)
{
Name = get_cached_string( name );
Entries[0] = type;
entry( 0 ) = type;
return true;
}