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reactos/sdk/tools/asmpp/asmpp.cpp

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[ASMPP] Implement asm preprocessor This converts ML style assembly to GAS compatible syntax
2022-06-20 15:29:01 +00:00
/*
* PROJECT: ReactOS host tools
* LICENSE: MIT (https://spdx.org/licenses/MIT)
* PURPOSE: ASM preprocessor
* COPYRIGHT: Copyright 2021 Timo Kreuzer <timo.kreuzer@reactos.org>
*/
// Optimize even on debug builds, because otherwise it's ridiculously slow
#ifdef _MSC_VER
#pragma optimize("gst", on)
#pragma auto_inline(on)
#else
#pragma GCC optimize("O3,inline")
#endif
#include "tokenizer.hpp"
#include <cstdlib>
#include <cstdio>
#include <sstream>
#include <ctime>
#define PROFILING_ENABLED 0
using namespace std;
time_t search_time;
enum TOKEN_TYPE
{
Invalid = -1,
Eof,
WhiteSpace,
NewLine,
Comment,
DecNumber,
HexNumber,
String,
BraceOpen,
BraceClose,
MemRefStart,
MemRefEnd,
Colon,
Operator,
StringDef,
KW_include,
KW_const,
KW_code,
KW_endprolog,
KW_ALIGN,
KW_EXTERN,
KW_PUBLIC,
KW_ENDM,
KW_END,
KW_if,
KW_ifdef,
KW_ifndef,
KW_else,
KW_endif,
KW_allocstack,
KW_savereg,
KW_savexmm128,
KW_DB,
KW_DW,
KW_DD,
KW_DQ,
KW_EQU,
KW_TEXTEQU,
KW_MACRO,
KW_PROC,
KW_FRAME,
KW_ENDP,
KW_RECORD,
KW_MASK,
KW_ERRDEF,
Filename,
Instruction,
Reg8,
Reg16,
Reg32,
Reg64,
RegXmm,
BYTE_PTR,
WORD_PTR,
DWORD_PTR,
QWORD_PTR,
XMMWORD_PTR,
LabelName,
Identifier
};
int fake_printf(const char* format, ...)
{
return 0;
}
//#define printf fake_printf
// Use a look-ahead for following characters, not included into the match
//#define FOLLOWED_BY(x) R"((?=)" x R"())"
#define FOLLOWED_BY(x) x
#define ANY_CHAR R"((?:.|\n))"
#define WHITESPACE R"((?:[ \t]++))"
#define NEWLINE R"([\n])"
#define WS_OR_NL R"((?:)" WHITESPACE "|" NEWLINE R"()+)"
#define SEPARATOR R"([\s,\=\+\-\*\/\:\~\[\]])"
#define INSTRUCTION \
"AAA|AAD|AAM|AAS|ADC|ADCX|ADD|ADDPD|ADDPS|ADDSD|ADDSS|ADDSUBPD|ADDSUBPS|" \
"ADOX|AESDEC|AESDECLAST|AESENC|AESENCLAST|AESIMC|AESKEYGENASSIST|AND|ANDN|" \
"ANDNPD|ANDNPS|ANDPD|ANDPS|ARPL|BEXTR|BLENDPD|BLENDPS|BLENDVPD|BLENDVPS|" \
"BLSI|BLSMSK|BLSR|BNDCL|BNDCN|BNDCU|BNDLDX|BNDMK|BNDMOV|BNDSTX|BOUND|BSF|" \
"BSR|BSWAP|BT|BTC|BTR|BTS|BZHI|CALL|CBW|CDQ|CDQE|CLAC|CLC|CLD|CLDEMOTE|" \
"CLFLUSH|CLFLUSHOPT|CLI|CLTS|CLWB|CMC|CMOVcc|CMP|CMPPD|CMPPS|CMPS|CMPSB|" \
"CMPSD|CMPSQ|CMPSS|CMPSW|CMPXCHG|CMPXCHG16B|CMPXCHG8B|COMISD|COMISS|CPUID|" \
"CQO|CRC32|CVTDQ2PD|CVTDQ2PS|CVTPD2DQ|CVTPD2PI|CVTPD2PS|CVTPI2PD|CVTPI2PS|" \
"CVTPS2DQ|CVTPS2PD|CVTPS2PI|CVTSD2SI|CVTSD2SS|CVTSI2SD|CVTSI2SS|CVTSS2SD|" \
"CVTSS2SI|CVTTPD2DQ|CVTTPD2PI|CVTTPS2DQ|CVTTPS2PI|CVTTSD2SI|CVTTSS2SI|CWD|" \
"CWDE|DAA|DAS|DEC|DIV|DIVPD|DIVPS|DIVSD|DIVSS|DPPD|DPPS|EMMS|ENTER|" \
"EXTRACTPS|F2XM1|FABS|FADD|FADDP|FBLD|FBSTP|FCHS|FCLEX|FCMOVcc|FCOM|FCOMI|" \
"FCOMIP|FCOMP|FCOMPP|FCOS|FDECSTP|FDIV|FDIVP|FDIVR|FDIVRP|FFREE|FIADD|" \
"FICOM|FICOMP|FIDIV|FIDIVR|FILD|FIMUL|FINCSTP|FINIT|FIST|FISTP|FISTTP|" \
"FISUB|FISUBR|FLD|FLD1|FLDCW|FLDENV|FLDL2E|FLDL2T|FLDLG2|FLDLN2|FLDPI|" \
"FLDZ|FMUL|FMULP|FNCLEX|FNINIT|FNOP|FNSAVE|FNSTCW|FNSTENV|FNSTSW|FPATAN|" \
"FPREM|FPREM1|FPTAN|FRNDINT|FRSTOR|FSAVE|FSCALE|FSIN|FSINCOS|FSQRT|FST|" \
"FSTCW|FSTENV|FSTP|FSTSW|FSUB|FSUBP|FSUBR|FSUBRP|FTST|FUCOM|FUCOMI|" \
"FUCOMIP|FUCOMP|FUCOMPP|FWAIT|FXAM|FXCH|FXRSTOR|FXSAVE|FXTRACT|FYL2X|" \
"FYL2XP1|GF2P8AFFINEINVQB|GF2P8AFFINEQB|GF2P8MULB|HADDPD|HADDPS|HLT|" \
"HSUBPD|HSUBPS|IDIV|IMUL|IN|INC|INS|INSB|INSD|INSERTPS|INSW|INT|INT1|INT3|" \
"INTO|INVD|INVLPG|INVPCID|IRET|IRETD|JMP|Jcc|KADDB|KADDD|KADDQ|KADDW|" \
"KANDB|KANDD|KANDNB|KANDND|KANDNQ|KANDNW|KANDQ|KANDW|KMOVB|KMOVD|KMOVQ|" \
"KMOVW|KNOTB|KNOTD|KNOTQ|KNOTW|KORB|KORD|KORQ|KORTESTB|KORTESTD|KORTESTQ|" \
"KORTESTW|KORW|KSHIFTLB|KSHIFTLD|KSHIFTLQ|KSHIFTLW|KSHIFTRB|KSHIFTRD|" \
"KSHIFTRQ|KSHIFTRW|KTESTB|KTESTD|KTESTQ|KTESTW|KUNPCKBW|KUNPCKDQ|KUNPCKWD|" \
"KXNORB|KXNORD|KXNORQ|KXNORW|KXORB|KXORD|KXORQ|KXORW|LAHF|LAR|LDDQU|" \
"LDMXCSR|LDS|LEA|LEAVE|LES|LFENCE|LFS|LGDT|LGS|LIDT|LLDT|LMSW|LOCK|LODS|" \
"LODSB|LODSD|LODSQ|LODSW|LOOP|LOOPcc|LSL|LSS|LTR|LZCNT|MASKMOVDQU|MASKMOVQ|" \
"MAXPD|MAXPS|MAXSD|MAXSS|MFENCE|MINPD|MINPS|MINSD|MINSS|MONITOR|MOV|MOVAPD|" \
"MOVAPS|MOVBE|MOVD|MOVDDUP|MOVDIR64B|MOVDIRI|MOVDQ2Q|MOVDQA|MOVDQU|MOVHLPS|" \
"MOVHPD|MOVHPS|MOVLHPS|MOVLPD|MOVLPS|MOVMSKPD|MOVMSKPS|MOVNTDQ|MOVNTDQA|" \
"MOVNTI|MOVNTPD|MOVNTPS|MOVNTQ|MOVQ|MOVQ2DQ|MOVS|MOVSB|MOVSD|MOVSHDUP|" \
"MOVSLDUP|MOVSQ|MOVSS|MOVSW|MOVSX|MOVSXD|MOVUPD|MOVUPS|MOVZX|MPSADBW|MUL|" \
"MULPD|MULPS|MULSD|MULSS|MULX|MWAIT|NEG|NOP|NOT|OR|ORPD|ORPS|OUT|OUTS|" \
"OUTSB|OUTSD|OUTSW|PABSB|PABSD|PABSQ|PABSW|PACKSSDW|PACKSSWB|PACKUSDW|" \
"PACKUSWB|PADDB|PADDD|PADDQ|PADDSB|PADDSW|PADDUSB|PADDUSW|PADDW|PALIGNR|" \
"PAND|PANDN|PAUSE|PAVGB|PAVGW|PBLENDVB|PBLENDW|PCLMULQDQ|PCMPEQB|PCMPEQD|" \
"PCMPEQQ|PCMPEQW|PCMPESTRI|PCMPESTRM|PCMPGTB|PCMPGTD|PCMPGTQ|PCMPGTW|" \
"PCMPISTRI|PCMPISTRM|PDEP|PEXT|PEXTRB|PEXTRD|PEXTRQ|PEXTRW|PHADDD|PHADDSW|" \
"PHADDW|PHMINPOSUW|PHSUBD|PHSUBSW|PHSUBW|PINSRB|PINSRD|PINSRQ|PINSRW|" \
"PMADDUBSW|PMADDWD|PMAXSB|PMAXSD|PMAXSQ|PMAXSW|PMAXUB|PMAXUD|PMAXUQ|PMAXUW|" \
"PMINSB|PMINSD|PMINSQ|PMINSW|PMINUB|PMINUD|PMINUQ|PMINUW|PMOVMSKB|PMOVSX|" \
"PMOVZX|PMULDQ|PMULHRSW|PMULHUW|PMULHW|PMULLD|PMULLQ|PMULLW|PMULUDQ|POP|" \
"POPA|POPAD|POPCNT|POPF|POPFD|POPFQ|POR|PREFETCHW|PREFETCHh|PSADBW|PSHUFB|" \
"PSHUFD|PSHUFHW|PSHUFLW|PSHUFW|PSIGNB|PSIGND|PSIGNW|PSLLD|PSLLDQ|PSLLQ|" \
"PSLLW|PSRAD|PSRAQ|PSRAW|PSRLD|PSRLDQ|PSRLQ|PSRLW|PSUBB|PSUBD|PSUBQ|PSUBSB|" \
"PSUBSW|PSUBUSB|PSUBUSW|PSUBW|PTEST|PTWRITE|PUNPCKHBW|PUNPCKHDQ|PUNPCKHQDQ|" \
"PUNPCKHWD|PUNPCKLBW|PUNPCKLDQ|PUNPCKLQDQ|PUNPCKLWD|PUSH|PUSHA|PUSHAD|" \
"PUSHF|PUSHFD|PUSHFQ|PXOR|RCL|RCPPS|RCPSS|RCR|RDFSBASE|RDGSBASE|RDMSR|" \
"RDPID|RDPKRU|RDPMC|RDRAND|RDSEED|RDTSC|RDTSCP|REP|REPE|REPNE|REPNZ|REPZ|" \
"RET|ROL|ROR|RORX|ROUNDPD|ROUNDPS|ROUNDSD|ROUNDSS|RSM|RSQRTPS|RSQRTSS|SAHF|" \
"SAL|SAR|SARX|SBB|SCAS|SCASB|SCASD|SCASW|SETcc|SFENCE|SGDT|SHA1MSG1|" \
"SHA1MSG2|SHA1NEXTE|SHA1RNDS4|SHA256MSG1|SHA256MSG2|SHA256RNDS2|SHL|SHLD|" \
"SHLX|SHR|SHRD|SHRX|SHUFPD|SHUFPS|SIDT|SLDT|SMSW|SQRTPD|SQRTPS|SQRTSD|" \
"SQRTSS|STAC|STC|STD|STI|STMXCSR|STOS|STOSB|STOSD|STOSQ|STOSW|STR|SUB|" \
"SUBPD|SUBPS|SUBSD|SUBSS|SWAPGS|SYSCALL|SYSENTER|SYSEXIT|SYSRET|TEST|" \
"TPAUSE|TZCNT|UCOMISD|UCOMISS|UD|UMONITOR|UMWAIT|UNPCKHPD|UNPCKHPS|" \
"UNPCKLPD|UNPCKLPS|VALIGND|VALIGNQ|VBLENDMPD|VBLENDMPS|VBROADCAST|" \
"VCOMPRESSPD|VCOMPRESSPS|VCVTPD2QQ|VCVTPD2UDQ|VCVTPD2UQQ|VCVTPH2PS|" \
"VCVTPS2PH|VCVTPS2QQ|VCVTPS2UDQ|VCVTPS2UQQ|VCVTQQ2PD|VCVTQQ2PS|VCVTSD2USI|" \
"VCVTSS2USI|VCVTTPD2QQ|VCVTTPD2UDQ|VCVTTPD2UQQ|VCVTTPS2QQ|VCVTTPS2UDQ|" \
"VCVTTPS2UQQ|VCVTTSD2USI|VCVTTSS2USI|VCVTUDQ2PD|VCVTUDQ2PS|VCVTUQQ2PD|" \
"VCVTUQQ2PS|VCVTUSI2SD|VCVTUSI2SS|VDBPSADBW|VERR|VERW|VEXPANDPD|VEXPANDPS|" \
"VEXTRACTF128|VEXTRACTF32x4|VEXTRACTF32x8|VEXTRACTF64x2|VEXTRACTF64x4|" \
"VEXTRACTI128|VEXTRACTI32x4|VEXTRACTI32x8|VEXTRACTI64x2|VEXTRACTI64x4|" \
"VFIXUPIMMPD|VFIXUPIMMPS|VFIXUPIMMSD|VFIXUPIMMSS|VFMADD132PD|VFMADD132PS|" \
"VFMADD132SD|VFMADD132SS|VFMADD213PD|VFMADD213PS|VFMADD213SD|VFMADD213SS|" \
"VFMADD231PD|VFMADD231PS|VFMADD231SD|VFMADD231SS|VFMADDSUB132PD|" \
"VFMADDSUB132PS|VFMADDSUB213PD|VFMADDSUB213PS|VFMADDSUB231PD|" \
"VFMADDSUB231PS|VFMSUB132PD|VFMSUB132PS|VFMSUB132SD|VFMSUB132SS|" \
"VFMSUB213PD|VFMSUB213PS|VFMSUB213SD|VFMSUB213SS|VFMSUB231PD|VFMSUB231PS|" \
"VFMSUB231SD|VFMSUB231SS|VFMSUBADD132PD|VFMSUBADD132PS|VFMSUBADD213PD|" \
"VFMSUBADD213PS|VFMSUBADD231PD|VFMSUBADD231PS|VFNMADD132PD|VFNMADD132PS|" \
"VFNMADD132SD|VFNMADD132SS|VFNMADD213PD|VFNMADD213PS|VFNMADD213SD|" \
"VFNMADD213SS|VFNMADD231PD|VFNMADD231PS|VFNMADD231SD|VFNMADD231SS|" \
"VFNMSUB132PD|VFNMSUB132PS|VFNMSUB132SD|VFNMSUB132SS|VFNMSUB213PD|" \
"VFNMSUB213PS|VFNMSUB213SD|VFNMSUB213SS|VFNMSUB231PD|VFNMSUB231PS|" \
"VFNMSUB231SD|VFNMSUB231SS|VFPCLASSPD|VFPCLASSPS|VFPCLASSSD|VFPCLASSSS|" \
"VGATHERDPD|VGATHERDPS|VGATHERQPD|VGATHERQPS|VGETEXPPD|VGETEXPPS|VGETEXPSD|" \
"VGETEXPSS|VGETMANTPD|VGETMANTPS|VGETMANTSD|VGETMANTSS|VINSERTF128|" \
"VINSERTF32x4|VINSERTF32x8|VINSERTF64x2|VINSERTF64x4|VINSERTI128|" \
"VINSERTI32x4|VINSERTI32x8|VINSERTI64x2|VINSERTI64x4|VMASKMOV|VMOVDQA32|" \
"VMOVDQA64|VMOVDQU16|VMOVDQU32|VMOVDQU64|VMOVDQU8|VPBLENDD|VPBLENDMB|" \
"VPBLENDMD|VPBLENDMQ|VPBLENDMW|VPBROADCAST|VPBROADCASTB|VPBROADCASTD|" \
"VPBROADCASTM|VPBROADCASTQ|VPBROADCASTW|VPCMPB|VPCMPD|VPCMPQ|VPCMPUB|" \
"VPCMPUD|VPCMPUQ|VPCMPUW|VPCMPW|VPCOMPRESSD|VPCOMPRESSQ|VPCONFLICTD|" \
"VPCONFLICTQ|VPERM2F128|VPERM2I128|VPERMB|VPERMD|VPERMI2B|VPERMI2D|" \
"VPERMI2PD|VPERMI2PS|VPERMI2Q|VPERMI2W|VPERMILPD|VPERMILPS|VPERMPD|VPERMPS|" \
"VPERMQ|VPERMT2B|VPERMT2D|VPERMT2PD|VPERMT2PS|VPERMT2Q|VPERMT2W|VPERMW|" \
"VPEXPANDD|VPEXPANDQ|VPGATHERDD|VPGATHERDQ|VPGATHERQD|VPGATHERQQ|VPLZCNTD|" \
"VPLZCNTQ|VPMADD52HUQ|VPMADD52LUQ|VPMASKMOV|VPMOVB2M|VPMOVD2M|VPMOVDB|" \
"VPMOVDW|VPMOVM2B|VPMOVM2D|VPMOVM2Q|VPMOVM2W|VPMOVQ2M|VPMOVQB|VPMOVQD|" \
"VPMOVQW|VPMOVSDB|VPMOVSDW|VPMOVSQB|VPMOVSQD|VPMOVSQW|VPMOVSWB|VPMOVUSDB|" \
"VPMOVUSDW|VPMOVUSQB|VPMOVUSQD|VPMOVUSQW|VPMOVUSWB|VPMOVW2M|VPMOVWB|" \
"VPMULTISHIFTQB|VPROLD|VPROLQ|VPROLVD|VPROLVQ|VPRORD|VPRORQ|VPRORVD|" \
"VPRORVQ|VPSCATTERDD|VPSCATTERDQ|VPSCATTERQD|VPSCATTERQQ|VPSLLVD|VPSLLVQ|" \
"VPSLLVW|VPSRAVD|VPSRAVQ|VPSRAVW|VPSRLVD|VPSRLVQ|VPSRLVW|VPTERNLOGD|" \
"VPTERNLOGQ|VPTESTMB|VPTESTMD|VPTESTMQ|VPTESTMW|VPTESTNMB|VPTESTNMD|" \
"VPTESTNMQ|VPTESTNMW|VRANGEPD|VRANGEPS|VRANGESD|VRANGESS|VRCP14PD|VRCP14PS|" \
"VRCP14SD|VRCP14SS|VREDUCEPD|VREDUCEPS|VREDUCESD|VREDUCESS|VRNDSCALEPD|" \
"VRNDSCALEPS|VRNDSCALESD|VRNDSCALESS|VRSQRT14PD|VRSQRT14PS|VRSQRT14SD|" \
"VRSQRT14SS|VSCALEFPD|VSCALEFPS|VSCALEFSD|VSCALEFSS|VSCATTERDPD|" \
"VSCATTERDPS|VSCATTERQPD|VSCATTERQPS|VSHUFF32x4|VSHUFF64x2|VSHUFI32x4|" \
"VSHUFI64x2|VTESTPD|VTESTPS|VZEROALL|VZEROUPPER|WAIT|WBINVD|WRFSBASE|" \
"WRGSBASE|WRMSR|WRPKRU|XABORT|XACQUIRE|XADD|XBEGIN|XCHG|XEND|XGETBV|XLAT|" \
"XLATB|XOR|XORPD|XORPS|XRELEASE|XRSTOR|XRSTORS|XSAVE|XSAVEC|XSAVEOPT|" \
"XSAVES|XSETBV|XTEST"
vector<TOKEN_DEF> g_TokenList =
{
//{ TOKEN_TYPE::WhiteSpace, R"((\s+))" },
{ TOKEN_TYPE::WhiteSpace, R"(([ \t]+))" },
{ TOKEN_TYPE::NewLine, R"((\n))" },
{ TOKEN_TYPE::Comment, R"((;.*\n))" },
{ TOKEN_TYPE::HexNumber, R"(([0-9][0-9a-f]*h))" FOLLOWED_BY(R"([\s\n\+\-\*\/,=!\]\(\)])") },
{ TOKEN_TYPE::DecNumber, R"(([0-9]+))" FOLLOWED_BY(R"([\s\n\+\-\*\/,=!\]\(\)])") },
{ TOKEN_TYPE::String, R"((\".*\"))" },
{ TOKEN_TYPE::BraceOpen, R"((\())"},
{ TOKEN_TYPE::BraceClose, R"((\)))"},
{ TOKEN_TYPE::MemRefStart, R"((\[))"},
{ TOKEN_TYPE::MemRefEnd, R"((\]))"},
{ TOKEN_TYPE::Colon, R"((\:))"},
{ TOKEN_TYPE::Operator, R"(([,\+\-\*\/\:]))"},
{ TOKEN_TYPE::StringDef, R"((<.+>))" },
{ TOKEN_TYPE::KW_include, R"((include))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_const, R"((\.const))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_code, R"((\.code))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_endprolog, R"((\.endprolog))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_ALIGN, R"((ALIGN))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_EXTERN, R"((EXTERN))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_EXTERN, R"((EXTRN))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_PUBLIC, R"((PUBLIC))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_ENDM, R"((ENDM))" FOLLOWED_BY(R"([\s\;])") },
{ TOKEN_TYPE::KW_END, R"((END))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_if, R"((if))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_ifdef, R"((ifdef))" FOLLOWED_BY(R"([\s])")},
{ TOKEN_TYPE::KW_ifndef, R"((ifndef))" FOLLOWED_BY(R"([\s])")},
{ TOKEN_TYPE::KW_else, R"((else))" FOLLOWED_BY(R"([\s])")},
{ TOKEN_TYPE::KW_endif, R"((endif))" FOLLOWED_BY(R"([\s])")},
{ TOKEN_TYPE::KW_allocstack, R"((.allocstack))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_savereg, R"((.savereg))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_savexmm128, R"((.savexmm128))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_DB, R"((DB))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_DW, R"((DW))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_DD, R"((DD))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_DQ, R"((DQ))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_EQU, R"((EQU))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_TEXTEQU, R"((TEXTEQU))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::KW_MACRO, R"((MACRO))" FOLLOWED_BY(R"([\s\;])") },
{ TOKEN_TYPE::KW_PROC, R"((PROC))" FOLLOWED_BY(R"([\s\;])") },
{ TOKEN_TYPE::KW_FRAME, R"((FRAME))" FOLLOWED_BY(R"([\s\;])") },
{ TOKEN_TYPE::KW_ENDP, R"((ENDP))" FOLLOWED_BY(R"([\s\;])") },
{ TOKEN_TYPE::KW_RECORD, R"((RECORD))" FOLLOWED_BY(R"([\s\;])") },
{ TOKEN_TYPE::KW_MASK, R"((MASK))" FOLLOWED_BY(R"([\s\;])")},
{ TOKEN_TYPE::KW_ERRDEF, R"((\.ERRDEF))" FOLLOWED_BY(R"([\s\;])")},
{ TOKEN_TYPE::Filename, R"(([a-z_][a-z0-9_]*\.inc))" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::Instruction, "(" INSTRUCTION ")" FOLLOWED_BY(R"([\s])") },
{ TOKEN_TYPE::Reg8, R"((al|ah|bl|bh|cl|ch|dl|dh|sil|dil|bpl|spl|r8b|r9b|r10b|r11b|r12b|r13b|r14b|r15b))" FOLLOWED_BY(R"([\s\,])") },
{ TOKEN_TYPE::Reg16, R"((ax|bx|cx|dx|si|di|bp|sp|r8w|r9w|r10w|r11w|r12w|r13w|r14w|r15w))" FOLLOWED_BY(R"([\s\,])") },
{ TOKEN_TYPE::Reg32, R"((eax|ebx|ecx|edx|esi|edi|ebp|esp|r8d|r9d|r10d|r11d|r12d|r13d|r14d|r15d))" FOLLOWED_BY(R"([\s\,])") },
{ TOKEN_TYPE::Reg64, R"((rax|rbx|rcx|rdx|rsi|rdi|rbp|rsp|r8|r9|r10|r11|r12|r13|r14|r15))" FOLLOWED_BY(R"([\s\,])") },
{ TOKEN_TYPE::RegXmm, R"((xmm0|xmm1|xmm2|xmm3|xmm4|xmm5|xmm6|xmm7|xmm8|xmm9|xmm10|xmm11|xmm12|xmm13|xmm14|xmm15))" FOLLOWED_BY(R"([\s\,])") },
{ TOKEN_TYPE::BYTE_PTR, R"((BYTE[\s]+PTR))" FOLLOWED_BY(R"([\s\[])") },
{ TOKEN_TYPE::WORD_PTR, R"((WORD[\s]+PTR))" FOLLOWED_BY(R"([\s\[])") },
{ TOKEN_TYPE::DWORD_PTR, R"((DWORD[\s]+PTR))" FOLLOWED_BY(R"([\s\[])") },
{ TOKEN_TYPE::QWORD_PTR, R"((QWORD[\s]+PTR))" FOLLOWED_BY(R"([\s\[])") },
{ TOKEN_TYPE::XMMWORD_PTR, R"((XMMWORD[\s]+PTR))" FOLLOWED_BY(R"([\s\[])") },
{ TOKEN_TYPE::Identifier, R"((@@))" FOLLOWED_BY(SEPARATOR)},
{ TOKEN_TYPE::Identifier, R"((@[a-z_][a-z0-9_]*))" FOLLOWED_BY(SEPARATOR)},
{ TOKEN_TYPE::Identifier, R"(([a-z_][a-z0-9_]*))" FOLLOWED_BY(SEPARATOR)},
};
// FIXME: use context?
unsigned int g_label_number = 0;
vector<string> g_identifiers;
void
add_mem_id(Token& tok)
{
g_identifiers.push_back(tok.str());
//fprintf(stderr, "Added mem id: '%s'\n", tok.str().c_str());
}
bool
is_mem_id(Token& tok)
{
for (auto id : g_identifiers)
{
if (id == tok.str())
{
return true;
}
}
return false;
}
bool
iequals(const string &a, const string &b)
{
size_t sz = a.size();
if (b.size() != sz)
return false;
for (unsigned int i = 0; i < sz; ++i)
if (tolower(a[i]) != tolower(b[i]))
return false;
return true;
}
Token
get_expected_token(Token&& tok, TOKEN_TYPE type)
{
if (tok.type() != type)
{
throw "Not white space after identifier!\n";
}
return tok;
}
Token get_ws(Token&& tok)
{
int type = tok.type();
if (type != TOKEN_TYPE::WhiteSpace)
{
throw "Not white space after identifier!\n";
}
return tok;
}
Token get_ws_or_nl(Token&& tok)
{
int type = tok.type();
if ((type != TOKEN_TYPE::WhiteSpace) &&
(type != TOKEN_TYPE::NewLine))
{
throw "Not white space after identifier!\n";
}
return tok;
}
bool is_string_in_list(vector<string> list, string str)
{
for (string &s : list)
{
if (s == str)
{
return true;
}
}
return false;
}
size_t
translate_token(TokenList& tokens, size_t index, const vector<string> &macro_params)
{
Token tok = tokens[index];
switch (tok.type())
{
case TOKEN_TYPE::Comment:
printf("//%s", tok.str().c_str() + 1);
break;
case TOKEN_TYPE::DecNumber:
{
unsigned long long num = stoull(tok.str(), nullptr, 10);
printf("%llu", num);
break;
}
case TOKEN_TYPE::HexNumber:
{
string number = tok.str();
printf("0x%s", number.substr(0, number.size() - 1).c_str());
break;
}
case TOKEN_TYPE::Identifier:
if (is_string_in_list(macro_params, tok.str()))
{
printf("\\");
}
printf("%s", tok.str().c_str());
break;
// We migt want to improve these
case TOKEN_TYPE::BYTE_PTR:
case TOKEN_TYPE::WORD_PTR:
case TOKEN_TYPE::DWORD_PTR:
case TOKEN_TYPE::QWORD_PTR:
case TOKEN_TYPE::XMMWORD_PTR:
// Check these. valid only in instructions?
case TOKEN_TYPE::Reg8:
case TOKEN_TYPE::Reg16:
case TOKEN_TYPE::Reg32:
case TOKEN_TYPE::Reg64:
case TOKEN_TYPE::RegXmm:
case TOKEN_TYPE::Instruction:
case TOKEN_TYPE::WhiteSpace:
case TOKEN_TYPE::NewLine:
case TOKEN_TYPE::Operator:
printf("%s", tok.str().c_str());
break;
default:
printf("%s", tok.str().c_str());
break;
}
return index + 1;
}
size_t complete_line(TokenList &tokens, size_t index, const vector<string> &macro_params)
{
while (index < tokens.size())
{
Token tok = tokens[index];
index = translate_token(tokens, index, macro_params);
if ((tok.type() == TOKEN_TYPE::NewLine) ||
(tok.type() == TOKEN_TYPE::Comment))
{
break;
}
}
return index;
}
size_t
translate_expression(TokenList &tokens, size_t index, const vector<string> &macro_params)
{
while (index < tokens.size())
{
Token tok = tokens[index];
switch (tok.type())
{
case TOKEN_TYPE::NewLine:
case TOKEN_TYPE::Comment:
return index;
case TOKEN_TYPE::KW_MASK:
printf("MASK_");
index += 2;
break;
case TOKEN_TYPE::Instruction:
if (iequals(tok.str(), "and"))
{
printf("&");
index += 1;
}
else if (iequals(tok.str(), "or"))
{
printf("|");
index += 1;
}
else if (iequals(tok.str(), "shl"))
{
printf("<<");
index += 1;
}
else if (iequals(tok.str(), "not"))
{
printf("!");
index += 1;
}
else
{
throw "Invalid expression";
}
break;
case TOKEN_TYPE::Operator:
if (tok.str() == ",")
{
return index;
}
case TOKEN_TYPE::WhiteSpace:
case TOKEN_TYPE::BraceOpen:
case TOKEN_TYPE::BraceClose:
case TOKEN_TYPE::DecNumber:
case TOKEN_TYPE::HexNumber:
case TOKEN_TYPE::Identifier:
index = translate_token(tokens, index, macro_params);
break;
default:
index = translate_token(tokens, index, macro_params);
}
}
return index;
}
size_t translate_mem_ref(TokenList& tokens, size_t index, const vector<string>& macro_params)
{
unsigned int offset = 0;
Token tok = tokens[index];
if ((tok.type() == TOKEN_TYPE::DecNumber) ||
(tok.type() == TOKEN_TYPE::HexNumber))
{
offset = stoi(tok.str(), nullptr, 0);
index += 2;
}
index = translate_token(tokens, index, macro_params);
while (index < tokens.size())
{
Token tok = tokens[index];
index = translate_token(tokens, index, macro_params);
if (tok.type() == TOKEN_TYPE::MemRefEnd)
{
if (offset != 0)
{
printf(" + %u", offset);
}
return index;
}
}
throw "Failed to translate memory ref";
return index;
}
size_t translate_instruction_param(TokenList& tokens, size_t index, const vector<string>& macro_params)
{
switch (tokens[index].type())
{
case TOKEN_TYPE::BYTE_PTR:
case TOKEN_TYPE::WORD_PTR:
case TOKEN_TYPE::DWORD_PTR:
case TOKEN_TYPE::QWORD_PTR:
case TOKEN_TYPE::XMMWORD_PTR:
index = translate_token(tokens, index, macro_params);
// Optional whitespace
if (tokens[index].type() == TOKEN_TYPE::WhiteSpace)
{
index = translate_token(tokens, index, macro_params);
}
}
while (index < tokens.size())
{
Token tok = tokens[index];
switch (tok.type())
{
case TOKEN_TYPE::MemRefStart:
return translate_mem_ref(tokens, index, macro_params);
case TOKEN_TYPE::NewLine:
case TOKEN_TYPE::Comment:
return index;
case TOKEN_TYPE::Operator:
if (tok.str() == ",")
return index;
case TOKEN_TYPE::Identifier:
index = translate_token(tokens, index, macro_params);
if (is_mem_id(tok))
{
printf("[rip]");
}
break;
default:
index = translate_expression(tokens, index, macro_params);
}
}
return index;
}
size_t translate_instruction(TokenList& tokens, size_t index, const vector<string>& macro_params)
{
// Translate the instruction itself
index = translate_token(tokens, index, macro_params);
// Handle instruction parameters
while (index < tokens.size())
{
// Optional whitespace
if (tokens[index].type() == TOKEN_TYPE::WhiteSpace)
{
index = translate_token(tokens, index, macro_params);
}
// Check for parameters
Token tok = tokens[index];
switch (tok.type())
{
case TOKEN_TYPE::Comment:
case TOKEN_TYPE::NewLine:
return index;
case TOKEN_TYPE::WhiteSpace:
case TOKEN_TYPE::Operator:
index = translate_token(tokens, index, macro_params);
break;
default:
index = translate_instruction_param(tokens, index, macro_params);
break;
}
}
return index;
}
size_t translate_item(TokenList& tokens, size_t index, const vector<string> &macro_params)
{
switch (tokens[index].type())
{
case TOKEN_TYPE::DecNumber:
case TOKEN_TYPE::HexNumber:
case TOKEN_TYPE::String:
case TOKEN_TYPE::WhiteSpace:
return translate_token(tokens, index, macro_params);
}
throw "Failed to translate item";
return -1;
}
size_t translate_list(TokenList& tokens, size_t index, const vector<string> &macro_params)
{
while (index < tokens.size())
{
// The item itself
index = translate_item(tokens, index, macro_params);
// Optional white space
if (tokens[index].type() == TOKEN_TYPE::WhiteSpace)
{
index = translate_token(tokens, index, macro_params);
}
// End of list?
if ((tokens[index].type() == TOKEN_TYPE::Comment) ||
(tokens[index].type() == TOKEN_TYPE::NewLine))
{
return index;
}
// We expect a comma here
if ((tokens[index].type() != TOKEN_TYPE::Operator) ||
(tokens[index].str() != ","))
{
throw "Unexpected end of list";
}
index = translate_token(tokens, index, macro_params);
if (tokens[index].type() == TOKEN_TYPE::WhiteSpace)
{
index = translate_token(tokens, index, macro_params);
}
}
throw "Failed to translate list";
return -1;
}
size_t
translate_data_def(TokenList& tokens, size_t index, const vector<string>& macro_params)
{
Token tok = tokens[index];
Token tok1 = get_ws(tokens[index + 1]);
string directive, need, have ="";
switch (tok.type())
{
case TOKEN_TYPE::KW_DB:
directive = ".byte";
break;
case TOKEN_TYPE::KW_DW:
directive = ".short";
break;
case TOKEN_TYPE::KW_DD:
directive = ".long";
break;
case TOKEN_TYPE::KW_DQ:
directive = ".quad";
break;
}
index += 2;
while (index < tokens.size())
{
// Check if we need '.ascii' for ASCII strings
if (tokens[index].str()[0] == '\"')
{
need = ".ascii";
}
else
{
need = directive;
}
// Output the directive we need (or a comma)
if (have == "")
{
printf("%s ", need.c_str());
}
else if (have != need)
{
printf("\n%s ", need.c_str());
}
else
{
printf(", ");
}
have = need;
// The item itself
index = translate_item(tokens, index, macro_params);
// Optional white space
if (tokens[index].type() == TOKEN_TYPE::WhiteSpace)
{
index = translate_token(tokens, index, macro_params);
}
// End of list?
if ((tokens[index].type() == TOKEN_TYPE::Comment) ||
(tokens[index].type() == TOKEN_TYPE::NewLine))
{
return index;
}
// We expect a comma here
if ((tokens[index].type() != TOKEN_TYPE::Operator) ||
(tokens[index].str() != ","))
{
throw "Unexpected end of list";
}
// Skip comma and optional white-space
index++;
if (tokens[index].type() == TOKEN_TYPE::WhiteSpace)
{
index++;
}
}
throw "Failed to translate list";
return -1;
}
size_t
translate_construct_one_param(string translated, TokenList& tokens, size_t index, const vector<string>& macro_params)
{
// The next token should be white space
Token tok1 = get_ws(tokens[index + 1]);
printf("%s%s", translated.c_str(), tok1.str().c_str());
return translate_expression(tokens, index + 2, macro_params);
}
size_t
translate_record(TokenList &tokens, size_t index, const vector<string> &macro_params)
{
unsigned int bits, bitpos = 0;
unsigned long long oldmask = 0, mask = 0;
Token tok_name = get_expected_token(tokens[index], TOKEN_TYPE::Identifier);
index += 4;
while (index < tokens.size())
{
Token tok_member = get_expected_token(tokens[index++], TOKEN_TYPE::Identifier);
if (tokens[index].type() == TOKEN_TYPE::WhiteSpace)
{
index++;
}
if (tokens[index++].str() != ":")
{
throw "Unexpected token";
}
if (tokens[index].type() == TOKEN_TYPE::WhiteSpace)
{
index++;
}
Token tok_bits = tokens[index++];
if ((tok_bits.type() != TOKEN_TYPE::DecNumber) &&
(tok_bits.type() != TOKEN_TYPE::HexNumber))
{
throw "Unexpected token";
}
bits = stoi(tok_bits.str(), nullptr, 0);
printf("%s = %u\n", tok_member.str().c_str(), bitpos);
oldmask = (1ULL << bitpos) - 1;
bitpos += bits;
mask = (1ULL << bitpos) - 1 - oldmask;
printf("MASK_%s = 0x%llx\n", tok_member.str().c_str(), mask);
if (tokens[index].type() == TOKEN_TYPE::WhiteSpace)
{
index++;
}
if ((tokens[index].type() == TOKEN_TYPE::NewLine) ||
(tokens[index].type() == TOKEN_TYPE::Comment))
{
break;
}
if (tokens[index].str() != ",")
{
throw "unexpected token";
}
index++;
if (tokens[index].type() == TOKEN_TYPE::WhiteSpace)
{
index++;
}
if ((tokens[index].type() == TOKEN_TYPE::NewLine) ||
(tokens[index].type() == TOKEN_TYPE::Comment))
{
index++;
}
if (tokens[index].type() == TOKEN_TYPE::WhiteSpace)
{
index++;
}
}
return index;
}
size_t
translate_identifier_construct(TokenList& tokens, size_t index, const vector<string> &macro_params)
{
Token tok = tokens[index];
Token tok1 = tokens[index + 1];
if (tok1.type() == TOKEN_TYPE::Colon)
{
if (tok.str() == "@@")
{
g_label_number++;
printf("%u:", g_label_number);
}
else
{
printf("%s:", tok.str().c_str());
}
return index + 2;
}
Token tok2 = tokens[index + 2];
switch (tok2.type())
{
case TOKEN_TYPE::KW_MACRO:
throw "Cannot have a nested macro!";
case TOKEN_TYPE::KW_DB:
case TOKEN_TYPE::KW_DW:
case TOKEN_TYPE::KW_DD:
case TOKEN_TYPE::KW_DQ:
printf("%s:%s", tok.str().c_str(), tok1.str().c_str());
add_mem_id(tok);
return translate_data_def(tokens, index + 2, macro_params);
case TOKEN_TYPE::KW_EQU:
//printf("%s%s", tok.str().c_str(), tok1.str().c_str());
printf("#define %s ", tok.str().c_str());
return translate_expression(tokens, index + 3, macro_params);
case TOKEN_TYPE::KW_TEXTEQU:
{
Token tok3 = get_ws(tokens[index + 3]);
Token tok4 = get_expected_token(tokens[index + 4], TOKEN_TYPE::StringDef);
string textdef = tok4.str();
printf("#define %s %s", tok.str().c_str(), textdef.substr(1, textdef.size() - 2).c_str());
return index + 5;
}
case TOKEN_TYPE::KW_PROC:
{
printf(".func %s\n", tok.str().c_str());
printf("%s:", tok.str().c_str());
index += 3;
if ((tokens[index].type() == TOKEN_TYPE::WhiteSpace) &&
(tokens[index + 1].type() == TOKEN_TYPE::KW_FRAME))
{
#ifdef TARGET_amd64
printf("\n.seh_proc %s\n", tok.str().c_str());
#else
printf("\n.cfi_startproc\n");
#endif
index += 2;
}
break;
}
case TOKEN_TYPE::KW_ENDP:
{
printf(".seh_endproc\n.endfunc");
index += 3;
break;
}
case TOKEN_TYPE::KW_RECORD:
index = translate_record(tokens, index, macro_params);
break;
default:
// We don't know what it is, assume it's a macro and treat it like an instruction
index = translate_instruction(tokens, index, macro_params);
break;
}
return index;
}
size_t
translate_construct(TokenList& tokens, size_t index, const vector<string> &macro_params)
{
Token tok = tokens[index];
switch (tok.type())
{
case TOKEN_TYPE::WhiteSpace:
case TOKEN_TYPE::NewLine:
case TOKEN_TYPE::Comment:
return translate_token(tokens, index, macro_params);
case TOKEN_TYPE::Identifier:
return translate_identifier_construct(tokens, index, macro_params);
case TOKEN_TYPE::KW_ALIGN:
index = translate_construct_one_param(".align", tokens, index, macro_params);
break;
case TOKEN_TYPE::KW_allocstack:
index = translate_construct_one_param(".seh_stackalloc", tokens, index, macro_params);
break;
case TOKEN_TYPE::KW_code:
#ifdef TARGET_amd64
printf(".code64");
#else
printf(".code");
#endif
printf(" .intel_syntax noprefix");
index++;
break;
case TOKEN_TYPE::KW_const:
printf(".section .rdata");
index++;
break;
case TOKEN_TYPE::KW_DB:
case TOKEN_TYPE::KW_DW:
case TOKEN_TYPE::KW_DD:
case TOKEN_TYPE::KW_DQ:
return translate_data_def(tokens, index, macro_params);
case TOKEN_TYPE::KW_END:
printf("// END\n");
return tokens.size();
case TOKEN_TYPE::KW_endprolog:
printf(".seh_endprologue");
index++;
break;
case TOKEN_TYPE::KW_EXTERN:
{
Token tok1 = get_ws_or_nl(tokens[index + 1]);
Token tok2 = get_expected_token(tokens[index + 2], TOKEN_TYPE::Identifier);
add_mem_id(tok2);
printf("//");
return complete_line(tokens, index, macro_params);
}
case TOKEN_TYPE::KW_if:
case TOKEN_TYPE::KW_ifdef:
case TOKEN_TYPE::KW_ifndef:
case TOKEN_TYPE::KW_else:
case TOKEN_TYPE::KW_endif:
// TODO: handle parameter differences between "if" and ".if" etc.
printf(".");
return complete_line(tokens, index, macro_params);
case TOKEN_TYPE::KW_include:
{
// The next token should be white space
Token tok1 = get_ws_or_nl(tokens[index + 1]);
Token tok2 = get_expected_token(tokens[index + 2], TOKEN_TYPE::Filename);
printf("#include \"%s.h\"", tok2.str().c_str());
index += 3;
break;
}
case TOKEN_TYPE::KW_PUBLIC:
index = translate_construct_one_param(".global", tokens, index, macro_params);
break;
case TOKEN_TYPE::KW_savereg:
printf(".seh_savereg");
return complete_line(tokens, index + 1, macro_params);
case TOKEN_TYPE::KW_savexmm128:
printf(".seh_savexmm");
return complete_line(tokens, index + 1, macro_params);
case TOKEN_TYPE::Instruction:
index = translate_instruction(tokens, index, macro_params);
break;
case TOKEN_TYPE::KW_ERRDEF:
printf("//");
return complete_line(tokens, index, macro_params);
default:
throw "failed to translate construct";
}
// Skip optional white-space
if (tokens[index].type() == TOKEN_TYPE::WhiteSpace)
{
index++;
}
// Line should end here!
Token end = tokens[index];
if ((end.type() != TOKEN_TYPE::Comment) &&
(end.type() != TOKEN_TYPE::NewLine))
{
throw "unexpected tokens";
}
return index;
}
size_t
translate_macro(TokenList& tokens, size_t index)
{
vector<string> macro_params;
printf(".macro %s", tokens[index].str().c_str());
// Parse marameters
index += 3;
while (index < tokens.size())
{
Token tok = tokens[index];
switch (tok.type())
{
case TOKEN_TYPE::NewLine:
case TOKEN_TYPE::Comment:
index = translate_token(tokens, index, macro_params);
break;
case TOKEN_TYPE::Identifier:
macro_params.push_back(tok.str());
printf("%s", tok.str().c_str());
index++;
continue;
case TOKEN_TYPE::WhiteSpace:
case TOKEN_TYPE::Operator:
index = translate_token(tokens, index, macro_params);
continue;
}
break;
}
// Parse content
while (index < tokens.size())
{
Token tok = tokens[index];
switch (tok.type())
{
case TOKEN_TYPE::KW_ENDM:
printf(".endm");
return index + 1;
default:
index = translate_construct(tokens, index, macro_params);
}
}
throw "Failed to translate macro";
return -1;
}
void
translate(TokenList &tokens)
{
size_t index = 0;
size_t size = tokens.size();
vector<string> empty_macro_params;
while (index < size)
{
// Macros are special
if ((tokens[index].type() == TOKEN_TYPE::Identifier) &&
(tokens[index + 1].type() == TOKEN_TYPE::WhiteSpace) &&
(tokens[index + 2].type() == TOKEN_TYPE::KW_MACRO))
{
index = translate_macro(tokens, index);
}
else
{
index = translate_construct(tokens, index, empty_macro_params);
}
}
}
int main(int argc, char* argv[])
{
if (argc < 2)
{
fprintf(stderr, "Invalid parameter!\n");
return -1;
}
#if PROFILING_ENABLED
time_t start_time = time(NULL);
#endif
try
{
// Open and read the input file
string filename(argv[1]);
ifstream file(filename);
stringstream buffer;
buffer << file.rdbuf();
string text = buffer.str();
// Create the tokenizer
Tokenizer tokenizer(g_TokenList);
// Get a token list
TokenList toklist(tokenizer, text);
// Now translate the tokens
translate(toklist);
}
catch (const char* message)
{
fprintf(stderr, "Exception caught: '%s'\n", message);
return -2;
}
#if PROFILING_ENABLED
time_t total_time = time(NULL) + 1 - start_time;
fprintf(stderr, "total_time = %llu\n", total_time);
fprintf(stderr, "search_time = %llu\n", search_time);
fprintf(stderr, "search: %llu %%\n", search_time * 100 / total_time);
#endif
return 0;
}
Reference in a new issue Copy permalink