Perl原码分析3

概述无意看到一个文件： /* -*- buffer-read-only: t -*- * * opnames.h * * Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, * 2008 by Larry Wall and others * * You may distribute

无意看到一个文件：

/* -*- buffer-read-only: t -*- * *    opnames.h * *    copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,*    2008 by Larry Wall and others * *    You may distribute under the terms of either the GNU General Public *    license or the Artistic license,as specifIEd in the README file. * * !!!!!!!   DO NOT EDIT THIS file   !!!!!!! * This file is built by regen/opcode.pl from its data. * Any changes made here will be lost! */typedef enum opcode {	OP_NulL		 = 0,OP_STUB		 = 1,OP_SCALAR	 = 2,OP_PUSHMARK	 = 3,OP_WANTARRAY	 = 4,OP_CONST	 = 5,OP_GVSV		 = 6,OP_GV		 = 7,OP_GELEM	 = 8,OP_PADSV	 = 9,OP_PADAV	 = 10,OP_PADHV	 = 11,OP_PADANY	 = 12,OP_PUSHRE	 = 13,OP_RV2GV	 = 14,OP_RV2SV	 = 15,OP_AV2ARYLEN	 = 16,OP_RV2CV	 = 17,OP_ANONCODE	 = 18,OP_PROTOTYPE	 = 19,OP_REFGEN	 = 20,OP_SREFGEN	 = 21,OP_REF		 = 22,OP_BLESS	 = 23,OP_BACKTICK	 = 24,OP_GLOB		 = 25,OP_READliNE	 = 26,OP_RCATliNE	 = 27,OP_REGCMAYBE	 = 28,OP_REGCreset	 = 29,OP_REGCOMP	 = 30,OP_MATCH	 = 31,OP_QR		 = 32,OP_SUBST	 = 33,OP_SUBSTCONT	 = 34,OP_TRANS	 = 35,OP_TRANSR	 = 36,OP_SASSIGN	 = 37,OP_AASSIGN	 = 38,OP_CHOP		 = 39,OP_SCHOP	 = 40,OP_CHOMP	 = 41,OP_SCHOMP	 = 42,OP_defineD	 = 43,OP_UNDEF	 = 44,OP_STUDY	 = 45,OP_POS		 = 46,OP_PREINC	 = 47,OP_I_PREINC	 = 48,OP_PREDEC	 = 49,OP_I_PREDEC	 = 50,OP_POSTINC	 = 51,OP_I_POSTINC	 = 52,OP_POSTDEC	 = 53,OP_I_POSTDEC	 = 54,OP_POW		 = 55,OP_MulTIPLY	 = 56,OP_I_MulTIPLY	 = 57,OP_divIDE	 = 58,OP_I_divIDE	 = 59,OP_MODulO	 = 60,OP_I_MODulO	 = 61,OP_REPEAT	 = 62,OP_ADD		 = 63,OP_I_ADD	 = 64,OP_SUBTRACT	 = 65,OP_I_SUBTRACT	 = 66,OP_CONCAT	 = 67,OP_STRINGIFY	 = 68,OP_left_SHIFT	 = 69,OP_RIGHT_SHIFT	 = 70,OP_LT		 = 71,OP_I_LT		 = 72,OP_GT		 = 73,OP_I_GT		 = 74,OP_LE		 = 75,OP_I_LE		 = 76,OP_GE		 = 77,OP_I_GE		 = 78,OP_EQ		 = 79,OP_I_EQ		 = 80,OP_NE		 = 81,OP_I_NE		 = 82,OP_NCMP		 = 83,OP_I_NCMP	 = 84,OP_SLT		 = 85,OP_SGT		 = 86,OP_SLE		 = 87,OP_SGE		 = 88,OP_SEQ		 = 89,OP_SNE		 = 90,OP_SCMP		 = 91,OP_BIT_AND	 = 92,OP_BIT_XOR	 = 93,OP_BIT_OR	 = 94,OP_NEGATE	 = 95,OP_I_NEGATE	 = 96,OP_NOT		 = 97,OP_COMPLEMENT	 = 98,OP_SMARTMATCH	 = 99,OP_atan2	 = 100,OP_SIN		 = 101,OP_COS		 = 102,OP_RAND		 = 103,OP_SRAND	 = 104,OP_EXP		 = 105,OP_LOG		 = 106,OP_SQRT		 = 107,OP_INT		 = 108,OP_HEX		 = 109,OP_OCT		 = 110,OP_ABS		 = 111,OP_LENGTH	 = 112,OP_SUBSTR	 = 113,OP_VEC		 = 114,OP_INDEX	 = 115,OP_RINDEX	 = 116,OP_SPRINTF	 = 117,OP_FOrmlINE	 = 118,OP_ORD		 = 119,OP_CHR		 = 120,OP_CRYPT	 = 121,OP_UCFirsT	 = 122,OP_LCFirsT	 = 123,OP_UC		 = 124,OP_LC		 = 125,OP_QUOTEMeta	 = 126,OP_RV2AV	 = 127,OP_AELEMFAST	 = 128,OP_AELEMFAST_LEX = 129,OP_AELEM	 = 130,OP_ASliCE	 = 131,OP_AEACH	 = 132,OP_AKEYS	 = 133,OP_AVALUES	 = 134,OP_EACH		 = 135,OP_VALUES	 = 136,OP_KEYS		 = 137,OP_DELETE	 = 138,OP_EXISTS	 = 139,OP_RV2HV	 = 140,OP_HELEM	 = 141,OP_HSliCE	 = 142,OP_BOolKEYS	 = 143,OP_UNPACK	 = 144,OP_PACK		 = 145,OP_SPliT	 = 146,OP_JOIN		 = 147,OP_List		 = 148,OP_LSliCE	 = 149,OP_ANONList	 = 150,OP_ANONHASH	 = 151,OP_SPliCE	 = 152,OP_PUSH		 = 153,OP_POP		 = 154,OP_SHIFT	 = 155,OP_UNSHIFT	 = 156,OP_SORT		 = 157,OP_REVERSE	 = 158,OP_GREPSTART	 = 159,OP_GREPWHILE	 = 160,OP_MAPSTART	 = 161,OP_MAPWHILE	 = 162,OP_RANGE	 = 163,OP_FliP		 = 164,OP_FLOP		 = 165,OP_AND		 = 166,OP_OR		 = 167,OP_XOR		 = 168,OP_DOR		 = 169,OP_COND_EXPR	 = 170,OP_ANDASSIGN	 = 171,OP_ORASSIGN	 = 172,OP_DORASSIGN	 = 173,OP_METHOD	 = 174,OP_ENTERSUB	 = 175,OP_LEAVESUB	 = 176,OP_LEAVESUBLV	 = 177,OP_CALLER	 = 178,OP_WARN		 = 179,OP_DIE		 = 180,OP_reset	 = 181,OP_linesEQ	 = 182,OP_NEXTSTATE	 = 183,OP_DBSTATE	 = 184,OP_UNSTACK	 = 185,OP_ENTER	 = 186,OP_LEAVE	 = 187,OP_ScopE	 = 188,OP_ENTERITER	 = 189,OP_ITER		 = 190,OP_ENTERLOOP	 = 191,OP_LEAVELOOP	 = 192,OP_RETURN	 = 193,OP_LAST		 = 194,OP_NEXT		 = 195,OP_REDO		 = 196,OP_DUMP		 = 197,OP_GOTO		 = 198,OP_EXIT		 = 199,OP_METHOD_nameD	 = 200,OP_ENTERGIVEN	 = 201,OP_LEAVEGIVEN	 = 202,OP_ENTERWHEN	 = 203,OP_LEAVEWHEN	 = 204,OP_BREAK	 = 205,OP_CONTINUE	 = 206,OP_OPEN		 = 207,OP_CLOSE	 = 208,OP_PIPE_OP	 = 209,OP_fileNO	 = 210,OP_UMASK	 = 211,OP_BINMODE	 = 212,OP_TIE		 = 213,OP_UNTIE	 = 214,OP_TIED		 = 215,OP_DBMOPEN	 = 216,OP_DBMCLOSE	 = 217,OP_SSELECT	 = 218,OP_SELECT	 = 219,OP_GETC		 = 220,OP_READ		 = 221,OP_ENTERWRITE	 = 222,OP_LEAVEWRITE	 = 223,OP_PRTF		 = 224,OP_PRINT	 = 225,OP_SAY		 = 226,OP_SYSOPEN	 = 227,OP_SYSSEEK	 = 228,OP_SYSREAD	 = 229,OP_SYSWRITE	 = 230,OP_EOF		 = 231,OP_TELL		 = 232,OP_SEEK		 = 233,OP_TruncATE	 = 234,OP_FCNTL	 = 235,OP_IOCTL	 = 236,OP_FLOCK	 = 237,OP_SEND		 = 238,OP_RECV		 = 239,OP_SOCKET	 = 240,OP_SOCKPAIR	 = 241,OP_BIND		 = 242,OP_CONNECT	 = 243,OP_ListEN	 = 244,OP_ACCEPT	 = 245,OP_SHUTDOWN	 = 246,OP_GSOCKOPT	 = 247,OP_SSOCKOPT	 = 248,OP_GETSOCKname	 = 249,OP_GETPEERname	 = 250,OP_LSTAT	 = 251,OP_STAT		 = 252,OP_FTRREAD	 = 253,OP_FTRWRITE	 = 254,OP_FTREXEC	 = 255,OP_FTEREAD	 = 256,OP_FTEWRITE	 = 257,OP_FTEEXEC	 = 258,OP_FTIS		 = 259,OP_FTSIZE	 = 260,OP_FTMTIME	 = 261,OP_FTATIME	 = 262,OP_FTCTIME	 = 263,OP_FTROWNED	 = 264,OP_FTEOWNED	 = 265,OP_FTZERO	 = 266,OP_FTSOCK	 = 267,OP_FTCHR	 = 268,OP_FTBLK	 = 269,OP_FTfile	 = 270,OP_FTDIR	 = 271,OP_FTPIPE	 = 272,OP_FTSUID	 = 273,OP_FTsgiD	 = 274,OP_FTSVTX	 = 275,OP_FTlink	 = 276,OP_FTTTY	 = 277,OP_FTTEXT	 = 278,OP_FTBINARY	 = 279,OP_CHDIR	 = 280,OP_CHOWN	 = 281,OP_CHROOT	 = 282,OP_UNlink	 = 283,OP_CHMOD	 = 284,OP_UTIME	 = 285,OP_REname	 = 286,OP_link		 = 287,OP_SYMlink	 = 288,OP_READlink	 = 289,OP_MKDIR	 = 290,OP_RMDIR	 = 291,OP_OPEN_DIR	 = 292,OP_READDIR	 = 293,OP_TELLDIR	 = 294,OP_SEEKDIR	 = 295,OP_REWINDDIR	 = 296,OP_CLOSEDIR	 = 297,OP_FORK		 = 298,OP_WAIT		 = 299,OP_WAITPID	 = 300,OP_SYstem	 = 301,OP_EXEC		 = 302,OP_KILL		 = 303,OP_GETPPID	 = 304,OP_GETPGRP	 = 305,OP_SETPGRP	 = 306,OP_GETPRIORITY	 = 307,OP_SETPRIORITY	 = 308,OP_TIME		 = 309,OP_TMS		 = 310,OP_LOCALTIME	 = 311,OP_GMTIME	 = 312,OP_ALARM	 = 313,OP_SLEEP	 = 314,OP_SHMGET	 = 315,OP_SHMCTL	 = 316,OP_SHMREAD	 = 317,OP_SHMWRITE	 = 318,OP_MSGGET	 = 319,OP_MSGCTL	 = 320,OP_MSGSND	 = 321,OP_MSGRCV	 = 322,OP_SEMOP	 = 323,OP_SEMGET	 = 324,OP_SEMCTL	 = 325,OP_REQUIRE	 = 326,OP_DOfile	 = 327,OP_HINTSEVAL	 = 328,OP_ENTEREVAL	 = 329,OP_LEAveevaL	 = 330,OP_ENTERTRY	 = 331,OP_LEAVETRY	 = 332,OP_GHBYname	 = 333,OP_GHBYADDR	 = 334,OP_GHOSTENT	 = 335,OP_GNBYname	 = 336,OP_GNBYADDR	 = 337,OP_GNETENT	 = 338,OP_GPBYname	 = 339,OP_GPBYNUMBER	 = 340,OP_GPROTOENT	 = 341,OP_GSBYname	 = 342,OP_GSBYPORT	 = 343,OP_GSERVENT	 = 344,OP_SHOSTENT	 = 345,OP_SNETENT	 = 346,OP_SPROTOENT	 = 347,OP_SSERVENT	 = 348,OP_EHOSTENT	 = 349,OP_ENETENT	 = 350,OP_EPROTOENT	 = 351,OP_ESERVENT	 = 352,OP_GPWNAM	 = 353,OP_GPWUID	 = 354,OP_GPWENT	 = 355,OP_SPWENT	 = 356,OP_EPWENT	 = 357,OP_GGRNAM	 = 358,OP_GGRGID	 = 359,OP_GGRENT	 = 360,OP_SGRENT	 = 361,OP_EGRENT	 = 362,OP_GETLOGIN	 = 363,OP_SYSCALL	 = 364,OP_LOCK		 = 365,OP_ONCE		 = 366,OP_CUSTOM	 = 367,OP_REACH	 = 368,OP_RKEYS	 = 369,OP_RVALUES	 = 370,OP_COREARGS	 = 371,OP_runcV	 = 372,OP_FC		 = 373,OP_max		} opcode;#define MAXO 374/* the OP_IS_* macros are optimized to a simple range check because    all the member OPs are contiguous in regen/opcodes table.    opcode.pl verifIEs the range contiguity,or generates an OR-equals    Expression */#define OP_IS_SOCKET(op)	\	((op) >= OP_SEND && (op) <= OP_GETPEERname)#define OP_IS_fileTEST(op)	\	((op) >= OP_FTRREAD && (op) <= OP_FTBINARY)#define OP_IS_fileTEST_ACCESS(op)	\	((op) >= OP_FTRREAD && (op) <= OP_FTEEXEC)#define OP_IS_NUMCOMPARE(op)	\	((op) >= OP_LT && (op) <= OP_I_NCMP)#define OP_IS_DIRHOP(op)	\	((op) >= OP_READDIR && (op) <= OP_CLOSEDIR)/* ex: set ro: */

文件开头说得清楚，这是一个被opcode.pl自动生成的文件。

有时间看看，opcode是如何被生成的。

这个文件被调用在是 regen.pl

regen.pl 被makefile.pl调用。

Makefile.pL，一般就是用于生成makefile的。

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