mirror of
https://github.com/Ed94/gencpp.git
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176 lines
5.3 KiB
C++
176 lines
5.3 KiB
C++
#pragma once
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// #include "inlines.hpp"
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// #include "temp/ast_inlines.hpp"
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#pragma region Constants
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#ifndef GEN_GLOBAL_BUCKET_SIZE
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# define GEN_GLOBAL_BUCKET_SIZE megabytes(10)
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#endif
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#ifndef GEN_CODEPOOL_NUM_BLOCKS
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# define GEN_CODEPOOL_NUM_BLOCKS kilobytes(64)
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#endif
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#ifndef GEN_SIZE_PER_STRING_ARENA
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# define GEN_SIZE_PER_STRING_ARENA megabytes(1)
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#endif
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#ifndef GEN_MAX_COMMENT_LINE_LENGTH
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# define GEN_MAX_COMMENT_LINE_LENGTH 1024
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#endif
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#ifndef GEN_MAX_NAME_LENGTH
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# define GEN_MAX_NAME_LENGTH 128
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#endif
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#ifndef GEN_MAX_UNTYPED_STR_LENGTH
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# define GEN_MAX_UNTYPED_STR_LENGTH megabytes(1)
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#endif
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#ifndef GEN_TOKEN_FMT_TOKEN_MAP_MEM_SIZE
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# define GEN_TOKEN_FMT_TOKEN_MAP_MEM_SIZE kilobytes(4)
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#endif
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#ifndef GEN_LEX_ALLOCATOR_SIZE
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# define GEN_LEX_ALLOCATOR_SIZE megabytes(10)
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#endif
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#ifndef GEN_BUILDER_STR_BUFFER_RESERVE
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# define GEN_BUILDER_STR_BUFFER_RESERVE megabytes(1)
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#endif
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// These constexprs are used for allocation behavior of data structures
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// or string handling while constructing or serializing.
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// Change them to suit your needs.
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constexpr s32 InitSize_DataArrays = 16;
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// NOTE: This limits the maximum size of an allocation
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// If you are generating a string larger than this, increase the size of the bucket here.
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constexpr uw Global_BucketSize = GEN_GLOBAL_BUCKET_SIZE;
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constexpr s32 CodePool_NumBlocks = GEN_CODEPOOL_NUM_BLOCKS;
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constexpr s32 SizePer_StringArena = GEN_SIZE_PER_STRING_ARENA;
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constexpr s32 MaxCommentLineLength = GEN_MAX_COMMENT_LINE_LENGTH;
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constexpr s32 MaxNameLength = GEN_MAX_NAME_LENGTH;
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constexpr s32 MaxUntypedStrLength = GEN_MAX_UNTYPED_STR_LENGTH;
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constexpr s32 TokenFmt_TokenMap_MemSize = GEN_TOKEN_FMT_TOKEN_MAP_MEM_SIZE;
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constexpr s32 LexAllocator_Size = GEN_LEX_ALLOCATOR_SIZE;
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constexpr s32 Builder_StrBufferReserve = GEN_BUILDER_STR_BUFFER_RESERVE;
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extern Code access_public;
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extern Code access_protected;
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extern Code access_private;
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extern CodeAttributes attrib_api_export;
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extern CodeAttributes attrib_api_import;
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extern Code module_global_fragment;
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extern Code module_private_fragment;
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// Exposed, but this is really used for parsing.
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extern Code fmt_newline;
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extern CodePragma pragma_once;
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extern CodeParam param_varadic;
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extern CodePreprocessCond preprocess_else;
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extern CodePreprocessCond preprocess_endif;
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extern CodeSpecifiers spec_const;
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extern CodeSpecifiers spec_consteval;
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extern CodeSpecifiers spec_constexpr;
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extern CodeSpecifiers spec_constinit;
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extern CodeSpecifiers spec_extern_linkage;
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extern CodeSpecifiers spec_final;
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extern CodeSpecifiers spec_forceinline;
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extern CodeSpecifiers spec_global;
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extern CodeSpecifiers spec_inline;
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extern CodeSpecifiers spec_internal_linkage;
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extern CodeSpecifiers spec_local_persist;
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extern CodeSpecifiers spec_mutable;
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extern CodeSpecifiers spec_neverinline;
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extern CodeSpecifiers spec_override;
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extern CodeSpecifiers spec_ptr;
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extern CodeSpecifiers spec_pure;
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extern CodeSpecifiers spec_ref;
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extern CodeSpecifiers spec_register;
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extern CodeSpecifiers spec_rvalue;
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extern CodeSpecifiers spec_static_member;
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extern CodeSpecifiers spec_thread_local;
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extern CodeSpecifiers spec_virtual;
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extern CodeSpecifiers spec_volatile;
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extern CodeType t_empty; // Used with varaidc parameters. (Exposing just in case its useful for another circumstance)
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extern CodeType t_auto;
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extern CodeType t_void;
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extern CodeType t_int;
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extern CodeType t_bool;
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extern CodeType t_char;
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extern CodeType t_wchar_t;
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extern CodeType t_class;
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extern CodeType t_typename;
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#ifdef GEN_DEFINE_LIBRARY_CODE_CONSTANTS
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// Predefined typename codes. Are set to readonly and are setup during gen::init()
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extern CodeType t_b32;
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extern CodeType t_s8;
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extern CodeType t_s16;
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extern CodeType t_s32;
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extern CodeType t_s64;
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extern CodeType t_u8;
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extern CodeType t_u16;
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extern CodeType t_u32;
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extern CodeType t_u64;
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extern CodeType t_sw;
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extern CodeType t_uw;
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extern CodeType t_f32;
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extern CodeType t_f64;
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#endif
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#pragma endregion Constants
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#pragma region Macros
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# define gen_main main
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# define __ NoCode
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// Convienence for defining any name used with the gen api.
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// Lets you provide the length and string literal to the functions without the need for the DSL.
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# define name( Id_ ) { sizeof(stringize( Id_ )) - 1, stringize(Id_) }
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// Same as name just used to indicate intention of literal for code instead of names.
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# define code( ... ) { sizeof(stringize(__VA_ARGS__)) - 1, stringize( __VA_ARGS__ ) }
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# define args( ... ) num_args( __VA_ARGS__ ), __VA_ARGS__
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# define code_str( ... ) GEN_NS untyped_str( code( __VA_ARGS__ ) )
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# define code_fmt( ... ) GEN_NS untyped_str( token_fmt( __VA_ARGS__ ) )
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// Takes a format string (char const*) and a list of tokens (StrC) and returns a StrC of the formatted string.
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# define token_fmt( ... ) GEN_NS token_fmt_impl( (num_args( __VA_ARGS__ ) + 1) / 2, __VA_ARGS__ )
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#pragma endregion Macros
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#ifdef GEN_EXPOSE_BACKEND
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// Global allocator used for data with process lifetime.
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extern AllocatorInfo GlobalAllocator;
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extern Array< Arena > Global_AllocatorBuckets;
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extern Array< Pool > CodePools;
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extern Array< Arena > StringArenas;
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extern StringTable StringCache;
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extern Arena LexArena;
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extern AllocatorInfo Allocator_DataArrays;
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extern AllocatorInfo Allocator_CodePool;
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extern AllocatorInfo Allocator_Lexer;
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extern AllocatorInfo Allocator_StringArena;
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extern AllocatorInfo Allocator_StringTable;
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extern AllocatorInfo Allocator_TypeTable;
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#endif
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