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ECode, ESpecifier, and ETokType are now all generated.

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There is a redundant pattern for generating all three (as expected).

I'll use it to define a general way of doing this sort of behavior.
This commit is contained in:
Edward R. Gonzalez 2023-07-27 02:51:36 -04:00
parent cf65638979
commit b00c1ae522
8 changed files with 334 additions and 184 deletions
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19
project/components/gen.ast_case_macros.cpp
View File

@ -58,7 +58,24 @@
case Typename:
# define AST_BODY_EXPORT_UNALLOWED_TYPES AST_BODY_GLOBAL_UNALLOWED_TYPES
# define AST_BODY_NAMESPACE_UNALLOWED_TYPES AST_BODY_GLOBAL_UNALLOWED_TYPES
# define AST_BODY_NAMESPACE_UNALLOWED_TYPES \
case Access_Public: \
case Access_Protected: \
case Access_Private: \
case PlatformAttributes: \
case Class_Body: \
case Enum_Body: \
case Execution: \
case Friend: \
case Function_Body: \
case Namespace_Body: \
case Operator_Member: \
case Operator_Member_Fwd: \
case Parameters: \
case Specifiers: \
case Struct_Body: \
case Typename:
# define AST_BODY_EXTERN_LINKAGE_UNALLOWED_TYPES AST_BODY_GLOBAL_UNALLOWED_TYPES
# define AST_BODY_STRUCT_UNALLOWED_TYPES AST_BODY_CLASS_UNALLOWED_TYPES

181
project/components/gen.etoktype.cpp Normal file
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@ -0,0 +1,181 @@
namespace Parser
{
/*
This is a simple lexer that focuses on tokenizing only tokens relevant to the library.
It will not be capable of lexing C++ code with unsupported features.
For the sake of scanning files, it can scan preprocessor directives
Attributes_Start is only used to indicate the start of the user_defined attribute list.
*/
# define Define_TokType \
Entry( Access_Private, "private" ) \
Entry( Access_Protected, "protected" ) \
Entry( Access_Public, "public" ) \
Entry( Access_MemberSymbol, "." ) \
Entry( Access_StaticSymbol, "::") \
Entry( Ampersand, "&" ) \
Entry( Ampersand_DBL, "&&" ) \
Entry( Assign_Classifer, ":" ) \
Entry( Attribute_Open, "[[" ) \
Entry( Attribute_Close, "]]" ) \
Entry( BraceCurly_Open, "{" ) \
Entry( BraceCurly_Close, "}" ) \
Entry( BraceSquare_Open, "[" ) \
Entry( BraceSquare_Close, "]" ) \
Entry( Capture_Start, "(" ) \
Entry( Capture_End, ")" ) \
Entry( Comment, "__comment__" ) \
Entry( Char, "__char__" ) \
Entry( Comma, "," ) \
Entry( Decl_Class, "class" ) \
Entry( Decl_GNU_Attribute, "__attribute__" ) \
Entry( Decl_MSVC_Attribute, "__declspec" ) \
Entry( Decl_Enum, "enum" ) \
Entry( Decl_Extern_Linkage, "extern" ) \
Entry( Decl_Friend, "friend" ) \
Entry( Decl_Module, "module" ) \
Entry( Decl_Namespace, "namespace" ) \
Entry( Decl_Operator, "operator" ) \
Entry( Decl_Struct, "struct" ) \
Entry( Decl_Template, "template" ) \
Entry( Decl_Typedef, "typedef" ) \
Entry( Decl_Using, "using" ) \
Entry( Decl_Union, "union" ) \
Entry( Identifier, "__identifier__" ) \
Entry( Module_Import, "import" ) \
Entry( Module_Export, "export" ) \
Entry( Number, "number" ) \
Entry( Operator, "operator" ) \
Entry( Preprocessor_Directive, "#") \
Entry( Preprocessor_Include, "include" ) \
Entry( Spec_Alignas, "alignas" ) \
Entry( Spec_Const, "const" ) \
Entry( Spec_Consteval, "consteval" ) \
Entry( Spec_Constexpr, "constexpr" ) \
Entry( Spec_Constinit, "constinit" ) \
Entry( Spec_Explicit, "explicit" ) \
Entry( Spec_Extern, "extern" ) \
Entry( Spec_Final, "final" ) \
Entry( Spec_Global, "global" ) \
Entry( Spec_Inline, "inline" ) \
Entry( Spec_Internal_Linkage, "internal" ) \
Entry( Spec_LocalPersist, "local_persist" ) \
Entry( Spec_Mutable, "mutable" ) \
Entry( Spec_Override, "override" ) \
Entry( Spec_Static, "static" ) \
Entry( Spec_ThreadLocal, "thread_local" ) \
Entry( Spec_Volatile, "volatile") \
Entry( Star, "*" ) \
Entry( Statement_End, ";" ) \
Entry( String, "__string__" ) \
Entry( Type_Unsigned, "unsigned" ) \
Entry( Type_Signed, "signed" ) \
Entry( Type_Short, "short" ) \
Entry( Type_Long, "long" ) \
Entry( Type_char, "char" ) \
Entry( Type_int, "int" ) \
Entry( Type_double, "double" ) \
Entry( Varadic_Argument, "..." ) \
Entry( Attributes_Start, "__attrib_start__" )
enum class TokType : u32
{
# define Entry( Name_, Str_ ) Name_,
Define_TokType
GEN_Define_Attribute_Tokens
# undef Entry
Num,
Invalid
};
struct Token
{
char const* Text;
sptr Length;
TokType Type;
bool IsAssign;
operator bool()
{
return Text && Length && Type != TokType::Invalid;
}
operator StrC()
{
return { Length, Text };
}
};
internal inline
TokType get_tok_type( char const* word, s32 length )
{
local_persist
StrC lookup[(u32)TokType::Num] =
{
# define Entry( Name_, Str_ ) { sizeof(Str_), Str_ },
Define_TokType
GEN_Define_Attribute_Tokens
# undef Entry
};
for ( u32 index = 0; index < (u32)TokType::Num; index++ )
{
s32 lookup_len = lookup[index].Len - 1;
char const* lookup_str = lookup[index].Ptr;
if ( lookup_len != length )
continue;
if ( str_compare( word, lookup_str, lookup_len ) == 0 )
return scast(TokType, index);
}
return TokType::Invalid;
}
internal inline
char const* str_tok_type( TokType type )
{
local_persist
char const* lookup[(u32)TokType::Num] =
{
# define Entry( Name_, Str_ ) Str_,
Define_TokType
GEN_Define_Attribute_Tokens
# undef Entry
};
return lookup[(u32)type];
}
# undef Define_TokType
internal inline
bool tok_is_specifier( Token const& tok )
{
return (tok.Type <= TokType::Star && tok.Type >= TokType::Spec_Alignas)
|| tok.Type == TokType::Ampersand
|| tok.Type == TokType::Ampersand_DBL
;
}
internal inline
bool tok_is_access_specifier( Token const& tok )
{
return tok.Type >= TokType::Access_Private && tok.Type <= TokType::Access_Public;
}
internal inline
AccessSpec tok_to_access_specifier( Token const& tok )
{
return scast(AccessSpec, tok.Type);
}
internal inline
bool tok_is_attribute( Token const& tok )
{
return tok.Type > TokType::Attributes_Start;
}
} // Parser

179
project/components/gen.interface.parsing.cpp
View File

@ -4,185 +4,6 @@ These constructors are the most implementation intensive other than the editor o
namespace Parser
{
/*
This is a simple lexer that focuses on tokenizing only tokens relevant to the library.
It will not be capable of lexing C++ code with unsupported features.
For the sake of scanning files, it can scan preprocessor directives
Attributes_Start is only used to indicate the start of the user_defined attribute list.
*/
# define Define_TokType \
Entry( Access_Private, "private" ) \
Entry( Access_Protected, "protected" ) \
Entry( Access_Public, "public" ) \
Entry( Access_MemberSymbol, "." ) \
Entry( Access_StaticSymbol, "::") \
Entry( Ampersand, "&" ) \
Entry( Ampersand_DBL, "&&" ) \
Entry( Assign_Classifer, ":" ) \
Entry( Attribute_Open, "[[" ) \
Entry( Attribute_Close, "]]" ) \
Entry( BraceCurly_Open, "{" ) \
Entry( BraceCurly_Close, "}" ) \
Entry( BraceSquare_Open, "[" ) \
Entry( BraceSquare_Close, "]" ) \
Entry( Capture_Start, "(" ) \
Entry( Capture_End, ")" ) \
Entry( Comment, "__comment__" ) \
Entry( Char, "__char__" ) \
Entry( Comma, "," ) \
Entry( Decl_Class, "class" ) \
Entry( Decl_GNU_Attribute, "__attribute__" ) \
Entry( Decl_MSVC_Attribute, "__declspec" ) \
Entry( Decl_Enum, "enum" ) \
Entry( Decl_Extern_Linkage, "extern" ) \
Entry( Decl_Friend, "friend" ) \
Entry( Decl_Module, "module" ) \
Entry( Decl_Namespace, "namespace" ) \
Entry( Decl_Operator, "operator" ) \
Entry( Decl_Struct, "struct" ) \
Entry( Decl_Template, "template" ) \
Entry( Decl_Typedef, "typedef" ) \
Entry( Decl_Using, "using" ) \
Entry( Decl_Union, "union" ) \
Entry( Identifier, "__identifier__" ) \
Entry( Module_Import, "import" ) \
Entry( Module_Export, "export" ) \
Entry( Number, "number" ) \
Entry( Operator, "operator" ) \
Entry( Preprocessor_Directive, "#") \
Entry( Preprocessor_Include, "include" ) \
Entry( Spec_Alignas, "alignas" ) \
Entry( Spec_Const, "const" ) \
Entry( Spec_Consteval, "consteval" ) \
Entry( Spec_Constexpr, "constexpr" ) \
Entry( Spec_Constinit, "constinit" ) \
Entry( Spec_Explicit, "explicit" ) \
Entry( Spec_Extern, "extern" ) \
Entry( Spec_Final, "final" ) \
Entry( Spec_Global, "global" ) \
Entry( Spec_Inline, "inline" ) \
Entry( Spec_Internal_Linkage, "internal" ) \
Entry( Spec_LocalPersist, "local_persist" ) \
Entry( Spec_Mutable, "mutable" ) \
Entry( Spec_Override, "override" ) \
Entry( Spec_Static, "static" ) \
Entry( Spec_ThreadLocal, "thread_local" ) \
Entry( Spec_Volatile, "volatile") \
Entry( Star, "*" ) \
Entry( Statement_End, ";" ) \
Entry( String, "__string__" ) \
Entry( Type_Unsigned, "unsigned" ) \
Entry( Type_Signed, "signed" ) \
Entry( Type_Short, "short" ) \
Entry( Type_Long, "long" ) \
Entry( Type_char, "char" ) \
Entry( Type_int, "int" ) \
Entry( Type_double, "double" ) \
Entry( Varadic_Argument, "..." ) \
Entry( Attributes_Start, "__attrib_start__" )
enum class TokType : u32
{
# define Entry( Name_, Str_ ) Name_,
Define_TokType
GEN_Define_Attribute_Tokens
# undef Entry
Num,
Invalid
};
struct Token
{
char const* Text;
sptr Length;
TokType Type;
bool IsAssign;
operator bool()
{
return Text && Length && Type != TokType::Invalid;
}
operator StrC()
{
return { Length, Text };
}
};
internal inline
TokType get_tok_type( char const* word, s32 length )
{
local_persist
StrC lookup[(u32)TokType::Num] =
{
# define Entry( Name_, Str_ ) { sizeof(Str_), Str_ },
Define_TokType
GEN_Define_Attribute_Tokens
# undef Entry
};
for ( u32 index = 0; index < (u32)TokType::Num; index++ )
{
s32 lookup_len = lookup[index].Len - 1;
char const* lookup_str = lookup[index].Ptr;
if ( lookup_len != length )
continue;
if ( str_compare( word, lookup_str, lookup_len ) == 0 )
return scast(TokType, index);
}
return TokType::Invalid;
}
internal inline
char const* str_tok_type( TokType type )
{
local_persist
char const* lookup[(u32)TokType::Num] =
{
# define Entry( Name_, Str_ ) Str_,
Define_TokType
GEN_Define_Attribute_Tokens
# undef Entry
};
return lookup[(u32)type];
}
# undef Define_TokType
internal inline
bool tok_is_specifier( Token const& tok )
{
return (tok.Type <= TokType::Star && tok.Type >= TokType::Spec_Alignas)
|| tok.Type == TokType::Ampersand
|| tok.Type == TokType::Ampersand_DBL
;
}
internal inline
bool tok_is_access_specifier( Token const& tok )
{
return tok.Type >= TokType::Access_Private && tok.Type <= TokType::Access_Public;
}
internal inline
AccessSpec tok_to_access_specifier( Token const& tok )
{
return scast(AccessSpec, tok.Type);
}
internal inline
bool tok_is_attribute( Token const& tok )
{
return tok.Type > TokType::Attributes_Start;
}
struct TokArray
{
Array<Token> Arr;

4
project/gen.bootstrap.cpp
View File

@ -167,6 +167,9 @@ int gen_main()
Code parsing = scan_file( "components/gen.interface.parsing.cpp" );
Code untyped = scan_file( "components/gen.untyped.cpp" );
CodeBody etoktype = gen_etoktype( "./components/ETokType.csv" );
CodeNamespace parser_nspace = def_namespace( name(Parser), def_namespace_body( args(etoktype)) );
Code builder = scan_file( "filesystem/gen.builder.cpp" );
Builder
@ -182,6 +185,7 @@ int gen_main()
impl.print( ast );
impl.print( interface );
impl.print( upfront );
impl.print( parser_nspace );
impl.print( parsing );
impl.print( untyped );

1
project/gen.cpp
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@ -23,6 +23,7 @@ GEN_NS_BEGIN
#include "components/gen.interface.cpp"
#include "components/gen.interface.upfront.cpp"
#include "components/gen.etoktype.cpp"
#include "components/gen.interface.parsing.cpp"
#include "components/gen.untyped.cpp"

126
project/helpers/gen.helper.hpp
View File

@ -209,7 +209,129 @@ CodeBody gen_especifier( char const* path )
return def_global_body( args( nspace, specifier_t ) );
}
CodeBody gen_etoktype()
CodeBody gen_etoktype( char const* path )
{
return CodeInvalid;
char scratch_mem[kilobytes(4)];
Arena scratch = Arena::init_from_memory( scratch_mem, sizeof(scratch_mem) );
file_read_contents( scratch, zero_terminate, path );
CSV_Object csv_nodes;
csv_parse( &csv_nodes, scratch_mem, GlobalAllocator, false );
Array<ADT_Node> enum_strs = csv_nodes.nodes[0].nodes;
Array<ADT_Node> str_strs = csv_nodes.nodes[1].nodes;
String enum_entries = String::make_reserve( GlobalAllocator, kilobytes(1) );
String to_str_entries = String::make_reserve( GlobalAllocator, kilobytes(1) );
for (uw idx = 0; idx < enum_strs.num(); idx++)
{
char const* enum_str = enum_strs[idx].string;
char const* entry_to_str = str_strs [idx].string;
enum_entries.append_fmt( "%s,\n", enum_str );
to_str_entries.append_fmt( "{ sizeof(\"%s\"), \"%s\" },\n", entry_to_str, entry_to_str);
}
CodeEnum enum_code = parse_enum(token_fmt("entries", (StrC)enum_entries, stringize(
enum Type : u32
{
<entries>
NumTokenTypes
};
)));
#pragma push_macro( "local_persist" )
#pragma push_macro( "do_once_start" )
#pragma push_macro( "do_once_end" )
#undef local_persist
#undef do_once_start
#undef do_once_end
CodeFn to_str = parse_function(token_fmt("entries", (StrC)to_str_entries, stringize(
StrC to_str( Type type )
{
local_persist
StrC lookup[] {
<entries>
NumTokens
};
return lookup[ type ];
}
)));
CodeFn to_type = parse_function( token_fmt( "entries", (StrC)to_str_entries, stringize(
Type to_type( StrC str )
{
local_persist
u32 keymap[ NumTokens ];
do_once_start
for ( u32 index = 0; index < NumTokens; index++ )
{
StrC enum_str = to_str( (Type)index );
// We subtract 1 to remove the null terminator
// This is because the tokens lexed are not null terminated.
keymap[index] = crc32( enum_str.Ptr, enum_str.Len - 1);
}
do_once_end
u32 hash = crc32( str.Ptr, str.Len );
for ( u32 index = 0; index < NumTokens; index++ )
{
if ( keymap[index] == hash )
return (Type)index;
}
return Invalid;
}
)));
#pragma pop_macro( "local_persist" )
#pragma pop_macro( "do_once_start" )
#pragma pop_macro( "do_once_end" )
CodeFn is_specifier = parse_function( token_fmt( "entries", (StrC)to_str_entries, stringize(
bool tok_is_specifier( Type type )
{
return (tok.Type <= TokType::Star && tok.Type >= TokType::Spec_Alignas)
|| tok.Type == TokType::Ampersand
|| tok.Type == TokType::Ampersand_DBL
;
}
)));
CodeFn is_access_specifier = parse_function( token_fmt( "entries", (StrC)to_str_entries, stringize(
bool tok_is_access_specifier( Type type )
{
return tok.Type >= TokType::Access_Private && tok.Type <= TokType::Access_Public;
}
)));
#pragma push_macro( "internal" )
#pragma push_macro( "scast" )
CodeFn to_access_specifier = parse_function( token_fmt( "entries", (StrC)to_str_entries, stringize(
internal inline
AccessSpec tok_to_access_specifier( Type type )
{
return scast(AccessSpec, tok.Type);
}
)));
#pragma pop_macro( "internal" )
#pragma pop_macro( "scast" )
CodeFn is_attribute = parse_function( token_fmt( "entries", (StrC)to_str_entries, stringize(
bool tok_is_attribute( const Token type )
{
return tok.Type >= TokType::Attr_Alignas && tok.Type <= TokType::Attr_Visibility;
}
)));
CodeNamespace nspace = def_namespace( name(ETokType), def_namespace_body( args( enum_code, to_str, to_type, is_specifier, is_access_specifier, to_access_specifier, is_attribute ) ) );
CodeUsing td_toktype = def_using( name(TokTypeT), def_type( name(ETokType::Type) ) );
return def_global_body( args( nspace, td_toktype ) );
}

4
scripts/.clang-format
View File

@ -15,7 +15,7 @@ AlignConsecutiveDeclarations: AcrossComments
AlignConsecutiveMacros:
Enabled: true
AcrossEmptyLines: true
AcrossComments: false
AcrossComments: true
AlignEscapedNewlines: Left
AlignOperands: DontAlign
@ -80,7 +80,7 @@ CompactNamespaces: true
ConstructorInitializerAllOnOneLineOrOnePerLine: true
ConstructorInitializerIndentWidth : 4
ContinuationIndentWidth: 4
ContinuationIndentWidth: 0
Cpp11BracedListStyle: false

4
singleheader/gen.singleheader.cpp
View File

@ -184,6 +184,9 @@ int gen_main()
Code parsing = scan_file( project_dir "components/gen.interface.parsing.cpp" );
Code untyped = scan_file( project_dir "components/gen.untyped.cpp" );
CodeBody etoktype = gen_etoktype( project_dir "components/ETokType.csv" );
CodeNamespace parser_nspace = def_namespace( name(Parser), def_namespace_body( args(etoktype)) );
Code builder = scan_file( project_dir "filesystem/gen.builder.cpp" );
header.print_fmt( "GEN_NS_BEGIN\n\n");
@ -192,6 +195,7 @@ int gen_main()
header.print( ast );
header.print( interface );
header.print( upfront );
header.print( parser_nspace );
header.print( parsing );
header.print( untyped );
header.print( builder );