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7b9f19eaab
tinycc/tcctok.h
grischka 7b9f19eaab tccpp: macro cleanup 
- remove TOK_NOSUBST, mark the token itself instead
- get_tok_str(); mask out SYM_FIELD & update uses
- next(): optimize (~5% faster with tcc -E)
- tok_flags: remove some redundancy
- parse_define(): do not remove spaces around '##' and after '#'
    and mark macros with '##' as MACRO_JOIN to avoid unnecessary
    call to macro_twosharps(mstr):
- next_nomacro(): removed, next_nomacro1(): renamed to next_nomacro()
- next_argstream(): cleanup & new function peek_file()
- macro_subst_tok(): handle special macros (__DATE__ etc.)
  like normal macros if they are #defined
- -DPP_DEBUG : more structured output
- pp_error(): better preprocessor expression error message
- tcctok.h: sort basic keywords (somehow)
- testspp/Makefile: generate .expect with 'make testspp.##+'
- tcc.c: tcc -E -o file : put unixy LFs also on windows
2024-02-09 18:38:14 +01:00

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/*********************************************************************/
/* keywords */
DEF(TOK_IF, "if")
DEF(TOK_ELSE, "else")
DEF(TOK_WHILE, "while")
DEF(TOK_FOR, "for")
DEF(TOK_DO, "do")
DEF(TOK_CONTINUE, "continue")
DEF(TOK_BREAK, "break")
DEF(TOK_RETURN, "return")
DEF(TOK_GOTO, "goto")
DEF(TOK_SWITCH, "switch")
DEF(TOK_CASE, "case")
DEF(TOK_DEFAULT, "default")
DEF(TOK_ASM1, "asm")
DEF(TOK_ASM2, "__asm")
DEF(TOK_ASM3, "__asm__")
DEF(TOK_EXTERN, "extern")
DEF(TOK_STATIC, "static")
DEF(TOK_UNSIGNED, "unsigned")
DEF(TOK__Atomic, "_Atomic")
DEF(TOK_CONST1, "const")
DEF(TOK_CONST2, "__const") /* gcc keyword */
DEF(TOK_CONST3, "__const__") /* gcc keyword */
DEF(TOK_VOLATILE1, "volatile")
DEF(TOK_VOLATILE2, "__volatile") /* gcc keyword */
DEF(TOK_VOLATILE3, "__volatile__") /* gcc keyword */
DEF(TOK_REGISTER, "register")
DEF(TOK_SIGNED1, "signed")
DEF(TOK_SIGNED2, "__signed") /* gcc keyword */
DEF(TOK_SIGNED3, "__signed__") /* gcc keyword */
DEF(TOK_AUTO, "auto")
DEF(TOK_INLINE1, "inline")
DEF(TOK_INLINE2, "__inline") /* gcc keyword */
DEF(TOK_INLINE3, "__inline__") /* gcc keyword */
DEF(TOK_RESTRICT1, "restrict")
DEF(TOK_RESTRICT2, "__restrict")
DEF(TOK_RESTRICT3, "__restrict__")
DEF(TOK_EXTENSION, "__extension__") /* gcc keyword */
DEF(TOK_THREAD_LOCAL, "_Thread_local") /* C11 thread-local storage */
DEF(TOK_GENERIC, "_Generic")
DEF(TOK_STATIC_ASSERT, "_Static_assert")
DEF(TOK_VOID, "void")
DEF(TOK_CHAR, "char")
DEF(TOK_INT, "int")
DEF(TOK_FLOAT, "float")
DEF(TOK_DOUBLE, "double")
DEF(TOK_BOOL, "_Bool")
DEF(TOK_COMPLEX, "_Complex")
DEF(TOK_SHORT, "short")
DEF(TOK_LONG, "long")
DEF(TOK_STRUCT, "struct")
DEF(TOK_UNION, "union")
DEF(TOK_TYPEDEF, "typedef")
DEF(TOK_ENUM, "enum")
DEF(TOK_SIZEOF, "sizeof")
DEF(TOK_ATTRIBUTE1, "__attribute")
DEF(TOK_ATTRIBUTE2, "__attribute__")
DEF(TOK_ALIGNOF1, "__alignof")
DEF(TOK_ALIGNOF2, "__alignof__")
DEF(TOK_ALIGNOF3, "_Alignof")
DEF(TOK_ALIGNAS, "_Alignas")
DEF(TOK_TYPEOF1, "typeof")
DEF(TOK_TYPEOF2, "__typeof")
DEF(TOK_TYPEOF3, "__typeof__")
DEF(TOK_LABEL, "__label__")
#ifdef TCC_TARGET_ARM64
DEF(TOK_UINT128, "__uint128_t")
#endif
/*********************************************************************/
/* the following are not keywords. They are included to ease parsing */
/* preprocessor only */
DEF(TOK_DEFINE, "define")
DEF(TOK_INCLUDE, "include")
DEF(TOK_INCLUDE_NEXT, "include_next")
DEF(TOK_IFDEF, "ifdef")
DEF(TOK_IFNDEF, "ifndef")
DEF(TOK_ELIF, "elif")
DEF(TOK_ENDIF, "endif")
DEF(TOK_DEFINED, "defined")
DEF(TOK_UNDEF, "undef")
DEF(TOK_ERROR, "error")
DEF(TOK_WARNING, "warning")
DEF(TOK_LINE, "line")
DEF(TOK_PRAGMA, "pragma")
DEF(TOK___LINE__, "__LINE__")
DEF(TOK___FILE__, "__FILE__")
DEF(TOK___DATE__, "__DATE__")
DEF(TOK___TIME__, "__TIME__")
DEF(TOK___FUNCTION__, "__FUNCTION__")
DEF(TOK___VA_ARGS__, "__VA_ARGS__")
DEF(TOK___COUNTER__, "__COUNTER__")
DEF(TOK___HAS_INCLUDE, "__has_include")
DEF(TOK___HAS_INCLUDE_NEXT, "__has_include_next")
/* special identifiers */
DEF(TOK___FUNC__, "__func__")
/* special floating point values */
DEF(TOK___NAN__, "__nan__")
DEF(TOK___SNAN__, "__snan__")
DEF(TOK___INF__, "__inf__")
#if defined TCC_TARGET_X86_64
DEF(TOK___mzerosf, "__mzerosf") /* -0.0 */
DEF(TOK___mzerodf, "__mzerodf") /* -0.0 */
#endif
/* attribute identifiers */
/* XXX: handle all tokens generically since speed is not critical */
DEF(TOK_SECTION1, "section")
DEF(TOK_SECTION2, "__section__")
DEF(TOK_ALIGNED1, "aligned")
DEF(TOK_ALIGNED2, "__aligned__")
DEF(TOK_PACKED1, "packed")
DEF(TOK_PACKED2, "__packed__")
DEF(TOK_WEAK1, "weak")
DEF(TOK_WEAK2, "__weak__")
DEF(TOK_ALIAS1, "alias")
DEF(TOK_ALIAS2, "__alias__")
DEF(TOK_UNUSED1, "unused")
DEF(TOK_UNUSED2, "__unused__")
DEF(TOK_NODEBUG1, "nodebug")
DEF(TOK_NODEBUG2, "__nodebug__")
DEF(TOK_CDECL1, "cdecl")
DEF(TOK_CDECL2, "__cdecl")
DEF(TOK_CDECL3, "__cdecl__")
DEF(TOK_STDCALL1, "stdcall")
DEF(TOK_STDCALL2, "__stdcall")
DEF(TOK_STDCALL3, "__stdcall__")
DEF(TOK_FASTCALL1, "fastcall")
DEF(TOK_FASTCALL2, "__fastcall")
DEF(TOK_FASTCALL3, "__fastcall__")
DEF(TOK_REGPARM1, "regparm")
DEF(TOK_REGPARM2, "__regparm__")
DEF(TOK_CLEANUP1, "cleanup")
DEF(TOK_CLEANUP2, "__cleanup__")
DEF(TOK_CONSTRUCTOR1, "constructor")
DEF(TOK_CONSTRUCTOR2, "__constructor__")
DEF(TOK_DESTRUCTOR1, "destructor")
DEF(TOK_DESTRUCTOR2, "__destructor__")
DEF(TOK_ALWAYS_INLINE1, "always_inline")
DEF(TOK_ALWAYS_INLINE2, "__always_inline__")
DEF(TOK_MODE, "__mode__")
DEF(TOK_MODE_QI, "__QI__")
DEF(TOK_MODE_DI, "__DI__")
DEF(TOK_MODE_HI, "__HI__")
DEF(TOK_MODE_SI, "__SI__")
DEF(TOK_MODE_word, "__word__")
DEF(TOK_DLLEXPORT, "dllexport")
DEF(TOK_DLLIMPORT, "dllimport")
DEF(TOK_NODECORATE, "nodecorate")
DEF(TOK_NORETURN1, "noreturn")
DEF(TOK_NORETURN2, "__noreturn__")
DEF(TOK_NORETURN3, "_Noreturn")
DEF(TOK_VISIBILITY1, "visibility")
DEF(TOK_VISIBILITY2, "__visibility__")
DEF(TOK_builtin_types_compatible_p, "__builtin_types_compatible_p")
DEF(TOK_builtin_choose_expr, "__builtin_choose_expr")
DEF(TOK_builtin_constant_p, "__builtin_constant_p")
DEF(TOK_builtin_frame_address, "__builtin_frame_address")
DEF(TOK_builtin_return_address, "__builtin_return_address")
DEF(TOK_builtin_expect, "__builtin_expect")
/*DEF(TOK_builtin_va_list, "__builtin_va_list")*/
#if defined TCC_TARGET_PE && defined TCC_TARGET_X86_64
DEF(TOK_builtin_va_start, "__builtin_va_start")
#elif defined TCC_TARGET_X86_64
DEF(TOK_builtin_va_arg_types, "__builtin_va_arg_types")
#elif defined TCC_TARGET_ARM64
DEF(TOK_builtin_va_start, "__builtin_va_start")
DEF(TOK_builtin_va_arg, "__builtin_va_arg")
#elif defined TCC_TARGET_RISCV64
DEF(TOK_builtin_va_start, "__builtin_va_start")
#endif
/* atomic operations */
#define DEF_ATOMIC(ID) DEF(TOK_##__##ID, "__"#ID)
DEF_ATOMIC(atomic_store)
DEF_ATOMIC(atomic_load)
DEF_ATOMIC(atomic_exchange)
DEF_ATOMIC(atomic_compare_exchange)
DEF_ATOMIC(atomic_fetch_add)
DEF_ATOMIC(atomic_fetch_sub)
DEF_ATOMIC(atomic_fetch_or)
DEF_ATOMIC(atomic_fetch_xor)
DEF_ATOMIC(atomic_fetch_and)
DEF_ATOMIC(atomic_fetch_nand)
DEF_ATOMIC(atomic_add_fetch)
DEF_ATOMIC(atomic_sub_fetch)
DEF_ATOMIC(atomic_or_fetch)
DEF_ATOMIC(atomic_xor_fetch)
DEF_ATOMIC(atomic_and_fetch)
DEF_ATOMIC(atomic_nand_fetch)
/* pragma */
DEF(TOK_pack, "pack")
#if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_X86_64) && \
!defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_ARM64)
/* already defined for assembler */
DEF(TOK_ASM_push, "push")
DEF(TOK_ASM_pop, "pop")
#endif
DEF(TOK_comment, "comment")
DEF(TOK_lib, "lib")
DEF(TOK_push_macro, "push_macro")
DEF(TOK_pop_macro, "pop_macro")
DEF(TOK_once, "once")
DEF(TOK_option, "option")
/* builtin functions or variables */
#ifndef TCC_ARM_EABI
DEF(TOK_memcpy, "memcpy")
DEF(TOK_memmove, "memmove")
DEF(TOK_memset, "memset")
DEF(TOK___divdi3, "__divdi3")
DEF(TOK___moddi3, "__moddi3")
DEF(TOK___udivdi3, "__udivdi3")
DEF(TOK___umoddi3, "__umoddi3")
DEF(TOK___ashrdi3, "__ashrdi3")
DEF(TOK___lshrdi3, "__lshrdi3")
DEF(TOK___ashldi3, "__ashldi3")
DEF(TOK___floatundisf, "__floatundisf")
DEF(TOK___floatundidf, "__floatundidf")
# ifndef TCC_ARM_VFP
DEF(TOK___floatundixf, "__floatundixf")
DEF(TOK___fixunsxfdi, "__fixunsxfdi")
# endif
DEF(TOK___fixunssfdi, "__fixunssfdi")
DEF(TOK___fixunsdfdi, "__fixunsdfdi")
#endif
#if defined TCC_TARGET_ARM
# ifdef TCC_ARM_EABI
DEF(TOK_memcpy, "__aeabi_memcpy")
DEF(TOK_memmove, "__aeabi_memmove")
DEF(TOK_memmove4, "__aeabi_memmove4")
DEF(TOK_memmove8, "__aeabi_memmove8")
DEF(TOK_memset, "__aeabi_memset")
DEF(TOK___aeabi_ldivmod, "__aeabi_ldivmod")
DEF(TOK___aeabi_uldivmod, "__aeabi_uldivmod")
DEF(TOK___aeabi_idivmod, "__aeabi_idivmod")
DEF(TOK___aeabi_uidivmod, "__aeabi_uidivmod")
DEF(TOK___divsi3, "__aeabi_idiv")
DEF(TOK___udivsi3, "__aeabi_uidiv")
DEF(TOK___floatdisf, "__aeabi_l2f")
DEF(TOK___floatdidf, "__aeabi_l2d")
DEF(TOK___fixsfdi, "__aeabi_f2lz")
DEF(TOK___fixdfdi, "__aeabi_d2lz")
DEF(TOK___ashrdi3, "__aeabi_lasr")
DEF(TOK___lshrdi3, "__aeabi_llsr")
DEF(TOK___ashldi3, "__aeabi_llsl")
DEF(TOK___floatundisf, "__aeabi_ul2f")
DEF(TOK___floatundidf, "__aeabi_ul2d")
DEF(TOK___fixunssfdi, "__aeabi_f2ulz")
DEF(TOK___fixunsdfdi, "__aeabi_d2ulz")
# else
DEF(TOK___modsi3, "__modsi3")
DEF(TOK___umodsi3, "__umodsi3")
DEF(TOK___divsi3, "__divsi3")
DEF(TOK___udivsi3, "__udivsi3")
DEF(TOK___floatdisf, "__floatdisf")
DEF(TOK___floatdidf, "__floatdidf")
# ifndef TCC_ARM_VFP
DEF(TOK___floatdixf, "__floatdixf")
DEF(TOK___fixunssfsi, "__fixunssfsi")
DEF(TOK___fixunsdfsi, "__fixunsdfsi")
DEF(TOK___fixunsxfsi, "__fixunsxfsi")
DEF(TOK___fixxfdi, "__fixxfdi")
# endif
DEF(TOK___fixsfdi, "__fixsfdi")
DEF(TOK___fixdfdi, "__fixdfdi")
# endif
#endif
#if defined TCC_TARGET_C67
DEF(TOK__divi, "_divi")
DEF(TOK__divu, "_divu")
DEF(TOK__divf, "_divf")
DEF(TOK__divd, "_divd")
DEF(TOK__remi, "_remi")
DEF(TOK__remu, "_remu")
#endif
#if defined TCC_TARGET_I386
DEF(TOK___fixsfdi, "__fixsfdi")
DEF(TOK___fixdfdi, "__fixdfdi")
DEF(TOK___fixxfdi, "__fixxfdi")
#endif
#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
DEF(TOK_alloca, "alloca")
#endif
#if defined TCC_TARGET_PE
DEF(TOK___chkstk, "__chkstk")
#endif
#if defined TCC_TARGET_ARM64 || defined TCC_TARGET_RISCV64
DEF(TOK___arm64_clear_cache, "__arm64_clear_cache")
DEF(TOK___addtf3, "__addtf3")
DEF(TOK___subtf3, "__subtf3")
DEF(TOK___multf3, "__multf3")
DEF(TOK___divtf3, "__divtf3")
DEF(TOK___extendsftf2, "__extendsftf2")
DEF(TOK___extenddftf2, "__extenddftf2")
DEF(TOK___trunctfsf2, "__trunctfsf2")
DEF(TOK___trunctfdf2, "__trunctfdf2")
DEF(TOK___fixtfsi, "__fixtfsi")
DEF(TOK___fixtfdi, "__fixtfdi")
DEF(TOK___fixunstfsi, "__fixunstfsi")
DEF(TOK___fixunstfdi, "__fixunstfdi")
DEF(TOK___floatsitf, "__floatsitf")
DEF(TOK___floatditf, "__floatditf")
DEF(TOK___floatunsitf, "__floatunsitf")
DEF(TOK___floatunditf, "__floatunditf")
DEF(TOK___eqtf2, "__eqtf2")
DEF(TOK___netf2, "__netf2")
DEF(TOK___lttf2, "__lttf2")
DEF(TOK___letf2, "__letf2")
DEF(TOK___gttf2, "__gttf2")
DEF(TOK___getf2, "__getf2")
#endif
/* bound checking symbols */
#ifdef CONFIG_TCC_BCHECK
DEF(TOK___bound_ptr_add, "__bound_ptr_add")
DEF(TOK___bound_ptr_indir1, "__bound_ptr_indir1")
DEF(TOK___bound_ptr_indir2, "__bound_ptr_indir2")
DEF(TOK___bound_ptr_indir4, "__bound_ptr_indir4")
DEF(TOK___bound_ptr_indir8, "__bound_ptr_indir8")
DEF(TOK___bound_ptr_indir12, "__bound_ptr_indir12")
DEF(TOK___bound_ptr_indir16, "__bound_ptr_indir16")
DEF(TOK___bound_main_arg, "__bound_main_arg")
DEF(TOK___bound_local_new, "__bound_local_new")
DEF(TOK___bound_local_delete, "__bound_local_delete")
DEF(TOK___bound_setjmp, "__bound_setjmp")
DEF(TOK___bound_longjmp, "__bound_longjmp")
DEF(TOK___bound_new_region, "__bound_new_region")
# ifdef TCC_TARGET_PE
# ifdef TCC_TARGET_X86_64
DEF(TOK___bound_alloca_nr, "__bound_alloca_nr")
# endif
# else
DEF(TOK_sigsetjmp, "sigsetjmp")
DEF(TOK___sigsetjmp, "__sigsetjmp")
DEF(TOK_siglongjmp, "siglongjmp")
# endif
DEF(TOK_setjmp, "setjmp")
DEF(TOK__setjmp, "_setjmp")
DEF(TOK_longjmp, "longjmp")
#endif
/*********************************************************************/
/* Tiny Assembler */
#define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
#define DEF_ASMDIR(x) DEF(TOK_ASMDIR_ ## x, "." #x)
#define TOK_ASM_int TOK_INT
#define TOK_ASMDIR_FIRST TOK_ASMDIR_byte
#define TOK_ASMDIR_LAST TOK_ASMDIR_section
DEF_ASMDIR(byte) /* must be first directive */
DEF_ASMDIR(word)
DEF_ASMDIR(align)
DEF_ASMDIR(balign)
DEF_ASMDIR(p2align)
DEF_ASMDIR(set)
DEF_ASMDIR(skip)
DEF_ASMDIR(space)
DEF_ASMDIR(string)
DEF_ASMDIR(asciz)
DEF_ASMDIR(ascii)
DEF_ASMDIR(file)
DEF_ASMDIR(globl)
DEF_ASMDIR(global)
DEF_ASMDIR(weak)
DEF_ASMDIR(hidden)
DEF_ASMDIR(ident)
DEF_ASMDIR(size)
DEF_ASMDIR(type)
DEF_ASMDIR(text)
DEF_ASMDIR(data)
DEF_ASMDIR(bss)
DEF_ASMDIR(previous)
DEF_ASMDIR(pushsection)
DEF_ASMDIR(popsection)
DEF_ASMDIR(fill)
DEF_ASMDIR(rept)
DEF_ASMDIR(endr)
DEF_ASMDIR(org)
DEF_ASMDIR(quad)
#if defined(TCC_TARGET_I386)
DEF_ASMDIR(code16)
DEF_ASMDIR(code32)
#elif defined(TCC_TARGET_X86_64)
DEF_ASMDIR(code64)
#endif
DEF_ASMDIR(short)
DEF_ASMDIR(long)
DEF_ASMDIR(int)
DEF_ASMDIR(section) /* must be last directive */
#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
#include "i386-tok.h"
#endif
#if defined TCC_TARGET_ARM || defined TCC_TARGET_ARM64
#include "arm-tok.h"
#endif
#if defined TCC_TARGET_RISCV64
#include "riscv64-tok.h"
#endif
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