pike.git / src / lex.c

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pike.git/src/lex.c:1:   /*\   ||| This file a part of Pike, and is copyright by Fredrik Hubinette   ||| Pike is distributed as GPL (General Public License)   ||| See the files COPYING and DISCLAIMER for more information.   \*/   /**/   #include "global.h" - RCSID("$Id: lex.c,v 1.73 2000/04/19 20:20:16 grubba Exp $"); + RCSID("$Id: lex.c,v 1.74 2000/04/20 02:41:45 hubbe Exp $");   #include "language.h"   #include "array.h"   #include "lex.h"   #include "stralloc.h"   #include "dynamic_buffer.h"   #include "constants.h"   #include "hashtable.h"   #include "stuff.h"   #include "pike_memory.h"   #include "interpret.h"
pike.git/src/lex.c:66: Inside #if defined(PIKE_DEBUG) and #if defined(INSTR_PROFILING)
   if(instrs[e].reruns[d])    fprintf(stderr,"%010ld::%s - %s\n",instrs[e].reruns[d],low_get_f_name(e+F_OFFSET,0),low_get_f_name(d+F_OFFSET,0));    }   #endif    }   #endif   }      #define OPCODE0(OP,DESC) { DESC, OP, 0 },   #define OPCODE1(OP,DESC) { DESC, OP, I_HASARG }, - #define OPCODE1ACC(OP,DESC) { DESC, OP, I_TWO_ARGS }, - #define OPCODE2(OP,DESC) { DESC, OP, I_HASARG }, + #define OPCODE2(OP,DESC) { DESC, OP, I_TWO_ARGS },      #define OPCODE0_TAIL(OP,DESC) { DESC, OP, 0 },   #define OPCODE1_TAIL(OP,DESC) { DESC, OP, I_HASARG }, - #define OPCODE1ACC_TAIL(OP,DESC) { DESC, OP, I_TWO_ARGS }, - #define OPCODE2_TAIL(OP,DESC) { DESC, OP, I_HASARG }, + #define OPCODE2_TAIL(OP,DESC) { DESC, OP, I_TWO_ARGS },      #define LEXER      struct keyword instr_names[]=   {   #include "interpret_protos.h"   { "!=", F_NE,0 },   { "%", F_MOD,0 },   { "%=", F_MOD_EQ,0 },   { "&", F_AND,0 },
pike.git/src/lex.c:108:   { ">>=", F_RSH_EQ,0 },   { "^", F_XOR,0 },   { "^=", F_XOR_EQ,0 },   { "arg+=1024", F_PREFIX_1024,0 },   { "arg+=256", F_PREFIX_256,0 },   { "arg+=256*X", F_PREFIX_CHARX256,0 },   { "arg+=256*XX", F_PREFIX_WORDX256,0 },   { "arg+=256*XXX", F_PREFIX_24BITX256,0 },   { "arg+=512", F_PREFIX_512,0 },   { "arg+=768", F_PREFIX_768,0 }, - { "assign local", F_ASSIGN_LOCAL, I_HASARG }, +  + { "arg+=1024", F_PREFIX2_1024,0 }, + { "arg+=256", F_PREFIX2_256,0 }, + { "arg+=256*X", F_PREFIX2_CHARX256,0 }, + { "arg+=256*XX", F_PREFIX2_WORDX256,0 }, + { "arg+=256*XXX", F_PREFIX2_24BITX256,0 }, + { "arg+=512", F_PREFIX2_512,0 }, + { "arg+=768", F_PREFIX2_768,0 }, +    { "assign local and pop", F_ASSIGN_LOCAL_AND_POP, I_HASARG },   { "break", F_BREAK,0 },   { "case", F_CASE,0 },   { "continue", F_CONTINUE,0 },   { "default", F_DEFAULT,0 },   { "do-while", F_DO,0 },   { "dumb return", F_DUMB_RETURN,0 },   { "for", F_FOR,0 },   { "index", F_INDEX,0 },      { "branch", F_BRANCH, I_ISJUMP },   { "branch non zero", F_BRANCH_WHEN_NON_ZERO, I_ISJUMP },   { "branch if local", F_BRANCH_IF_LOCAL, I_HASARG },   { "branch if !local", F_BRANCH_IF_NOT_LOCAL, I_HASARG }, - { "branch if ! local->x", F_BRANCH_IF_NOT_LOCAL_ARROW, I_HASARG }, + { "branch if ! local->x", F_BRANCH_IF_NOT_LOCAL_ARROW, I_TWO_ARGS },   { "branch when zero", F_BRANCH_WHEN_ZERO, I_ISJUMP },   { "branch if <", F_BRANCH_WHEN_LT, I_ISJUMP },   { "branch if >", F_BRANCH_WHEN_GT, I_ISJUMP },   { "branch if <=", F_BRANCH_WHEN_LE, I_ISJUMP },   { "branch if >=", F_BRANCH_WHEN_GE, I_ISJUMP },   { "branch if ==", F_BRANCH_WHEN_EQ, I_ISJUMP },   { "branch if !=", F_BRANCH_WHEN_NE, I_ISJUMP },   { "branch & pop if zero", F_BRANCH_AND_POP_WHEN_ZERO, I_ISJUMP },   { "branch & pop if !zero", F_BRANCH_AND_POP_WHEN_NON_ZERO, I_ISJUMP },   { "++Loop", F_INC_LOOP, I_ISJUMP },
pike.git/src/lex.c:149:   { "==||", F_EQ_OR, I_ISJUMP },   { "==&&", F_EQ_AND, I_ISJUMP },   { "catch", F_CATCH, I_ISJUMP },   { "foreach", F_FOREACH, I_ISJUMP },   { "pointer", F_POINTER, I_ISPOINTER },   { "data", F_DATA, I_DATA },      { "local function call",F_CALL_LFUN, I_HASARG },   { "local function call and pop",F_CALL_LFUN_AND_POP, I_HASARG },   { "local", F_LOCAL, I_HASARG }, - { "& external", F_EXTERNAL_LVALUE, I_HASARG }, - { "LDA", F_LDA, I_HASARG }, +    { "mark & local", F_MARK_AND_LOCAL, I_HASARG },   { "lvalue_list", F_LVALUE_LIST,0 },   { "mark", F_MARK,0 },   { "mark mark", F_MARK2,0 },   { "return", F_RETURN,0 },   { "return 0", F_RETURN_0,0 },   { "return 1", F_RETURN_1,0 },   { "return local", F_RETURN_LOCAL, I_HASARG },   { "return if true", F_RETURN_IF_TRUE, 0 },   { "while", F_WHILE,0 },
pike.git/src/lex.c:173:   { "label", F_LABEL,I_HASARG },   { "align", F_ALIGN, I_HASARG },   { "call", F_APPLY, I_HASARG },   { "++local and pop", F_INC_LOCAL_AND_POP, I_HASARG },   { "local++", F_POST_INC_LOCAL, I_HASARG },   { "--local and pop", F_DEC_LOCAL_AND_POP, I_HASARG },   { "local--", F_POST_DEC_LOCAL, I_HASARG },   { "int index", F_POS_INT_INDEX, I_HASARG },   { "-int index", F_NEG_INT_INDEX, I_HASARG },   { "apply and pop", F_APPLY_AND_POP, I_HASARG }, - { "byte", F_BYTE, I_HASARG }, +    { "nop", F_NOP,0 },   { "add integer", F_ADD_INT, I_HASARG },   { "add -integer", F_ADD_NEG_INT, I_HASARG },   { "mark & call", F_MARK_APPLY, I_HASARG },   { "mark, call & pop", F_MARK_APPLY_POP, I_HASARG },   { "apply and return", F_APPLY_AND_RETURN, I_HASARG }, - { "apply, assign local and pop", F_APPLY_ASSIGN_LOCAL_AND_POP, I_HASARG }, - { "apply & assign local", F_APPLY_ASSIGN_LOCAL, I_HASARG }, +    { "call lfun & return", F_CALL_LFUN_AND_RETURN, I_HASARG },   { "call function", F_CALL_FUNCTION, 0 },   { "call function & return", F_CALL_FUNCTION_AND_RETURN, 0 },   };      struct instr instrs[F_MAX_INSTR - F_OFFSET];      struct reserved   {    struct hash_entry link;    int token;   };      void init_lex()   {    unsigned int i; -  + #ifdef PIKE_DEBUG +  int fatal_later=0; + #endif +     for(i=0; i<NELEM(instr_names);i++)    { -  + #ifdef PIKE_DEBUG    if(instr_names[i].token >= F_MAX_INSTR) -  fatal("Error in instr_names[%u]\n\n",i); +  { +  fprintf(stderr,"Error in instr_names[%u]\n\n",i); +  fatal_later++; +  }       if(instrs[instr_names[i].token - F_OFFSET].name) -  fatal("Duplicate name for %s\n",instr_names[i].word); +  { +  fprintf(stderr,"Duplicate name for %s\n",instr_names[i].word); +  fatal_later++; +  } + #endif       instrs[instr_names[i].token - F_OFFSET].name = instr_names[i].word;    instrs[instr_names[i].token - F_OFFSET].flags=instr_names[i].flags;    } -  +  + #ifdef PIKE_DEBUG +  for(i=1; i<F_MAX_OPCODE-F_OFFSET;i++) +  { +  if(!instrs[i].name) +  { +  fprintf(stderr,"Opcode %d does not have a name.\n",i); +  fatal_later++;    } -  +  } +  if(fatal_later) +  fatal("Found %d errors in instrs.\n",fatal_later);    -  + #endif +  + } +    char *low_get_f_name(int n,struct program *p)   {    static char buf[30];       if (n<F_MAX_OPCODE && instrs[n-F_OFFSET].name)    {    return instrs[n-F_OFFSET].name;    }else if(n >= F_MAX_OPCODE) {    if(p &&    (int)p->num_constants > (int)(n-F_MAX_OPCODE) &&