pike.git / src / peep.c

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pike.git/src/peep.c:1:   /*   || This file is part of Pike. For copyright information see COPYRIGHT.   || Pike is distributed under GPL, LGPL and MPL. See the file COPYING   || for more information. - || $Id: peep.c,v 1.94 2003/11/19 20:20:31 grubba Exp $ + || $Id: peep.c,v 1.95 2003/11/24 17:28:45 grubba Exp $   */      #include "global.h"   #include "language.h"   #include "stralloc.h"   #include "dynamic_buffer.h"   #include "program.h"   #include "las.h"   #include "docode.h"   #include "main.h"
pike.git/src/peep.c:19:   #include "peep.h"   #include "dmalloc.h"   #include "stuff.h"   #include "bignum.h"   #include "opcodes.h"   #include "builtin_functions.h"   #include "constants.h"   #include "interpret.h"   #include "pikecode.h"    - RCSID("$Id: peep.c,v 1.94 2003/11/19 20:20:31 grubba Exp $"); + RCSID("$Id: peep.c,v 1.95 2003/11/24 17:28:45 grubba Exp $");      static void asm_opt(void);      dynamic_buffer instrbuf;      #ifdef PIKE_DEBUG   static int hasarg(int opcode)   {    return instrs[opcode-F_OFFSET].flags & I_HASARG;   }
pike.git/src/peep.c:149:      INT32 assemble(int store_linenumbers)   {    INT32 entry_point;    INT32 max_label=-1,tmp;    INT32 *labels, *jumps, *uses;    ptrdiff_t e, length;    p_instr *c;    int reoptimize=!(debug_options & NO_PEEP_OPTIMIZING);   #ifdef PIKE_PORTABLE_BYTECODE -  struct pike_tripple *tripples = NULL; +  struct pike_string *tripples = NULL;   #endif /* PIKE_PORTABLE_BYTECODE */   #ifdef PIKE_DEBUG    INT32 max_pointer=-1;    int synch_depth = 0;    size_t fun_start = Pike_compiler->new_program->num_program;   #endif       c=(p_instr *)instrbuf.s.str;    length=instrbuf.s.len / sizeof(p_instr);   
pike.git/src/peep.c:180: Inside #if defined(PIKE_DEBUG)
   }    if (synch_depth) {    Pike_fatal("Unbalanced sync_mark/pop_sync_mark: %d\n", synch_depth);    }    }   #endif      #ifdef PIKE_PORTABLE_BYTECODE    /* No need to do this for constant evaluations. */    if (store_linenumbers) { -  struct pike_tripple *current_tripple; +  p_wchar2 *current_tripple;    struct pike_string *previous_file = NULL;    int previous_line = 0;    ptrdiff_t num_linedirectives = 0;       /* Count the number of F_FILENAME/F_LINE pseudo-ops we need to add. */    for (e=0; e < length; e++) {    if (c[e].file != previous_file) {    previous_file = c[e].file;    num_linedirectives++;    }    if (c[e].line != previous_line) {    previous_line = c[e].line;    num_linedirectives++;    }    }       /* fprintf(stderr, "length:%d directives:%d\n",    * length, num_linedirectives);    */    -  if (!(tripples = malloc(sizeof(struct pike_tripple) * -  (length+num_linedirectives)))) { -  Pike_fatal("Failed to allocate %d tripples (%d + %d).\n", -  length+num_linedirectives, length, num_linedirectives); +  if (!(tripples = begin_wide_shared_string(3*(length+num_linedirectives), +  2))) { +  Pike_fatal("Failed to allocate wide string of length %d 3*(%d + %d).\n", +  3*(length+num_linedirectives), length, num_linedirectives);    }    previous_file = NULL;    previous_line = 0; -  current_tripple = tripples; +  current_tripple = STR2(tripples);    for (e = 0; e < length; e++) {    if (c[e].file != previous_file) { -  current_tripple->opcode = F_FILENAME; -  current_tripple->arg = store_prog_string(c[e].file); -  current_tripple->arg2 = 0; -  current_tripple++; +  current_tripple[0] = F_FILENAME; +  current_tripple[1] = store_prog_string(c[e].file); +  current_tripple[2] = 0; +  current_tripple += 3;    previous_file = c[e].file;    }    if (c[e].line != previous_line) { -  current_tripple->opcode = F_LINE; -  current_tripple->arg = c[e].line; -  current_tripple->arg2 = 0; -  current_tripple++; +  current_tripple[0] = F_LINE; +  current_tripple[1] = c[e].line; +  current_tripple[2] = 0; +  current_tripple += 3;    previous_line = c[e].line;    } -  current_tripple->opcode = c[e].opcode; -  current_tripple->arg = c[e].arg; -  current_tripple->arg2 = c[e].arg2; -  current_tripple++; +  current_tripple[0] = c[e].opcode; +  current_tripple[1] = c[e].arg; +  current_tripple[2] = c[e].arg2; +  current_tripple += 3;    }   #ifdef PIKE_DEBUG -  if (current_tripple != tripples + length + num_linedirectives) { -  Pike_fatal("Tripple length mismatch %d != %d (%d + %d)\n", -  current_tripple - tripples, -  length + num_linedirectives, +  if (current_tripple != STR2(tripples) + 3*(length + num_linedirectives)) { +  Pike_fatal("Tripple length mismatch %d != %d 3*(%d + %d)\n", +  current_tripple - STR2(tripples), +  3*(length + num_linedirectives),    length, num_linedirectives);    }   #endif /* PIKE_DEBUG */ -  +  tripples = end_shared_string(tripples);    }      #endif /* PIKE_PORTABLE_BYTECODE */       for(e=0;e<length;e++,c++) {    if(c->opcode == F_LABEL) {    if(c->arg > max_label)    max_label = c->arg;    }   #ifdef PIKE_DEBUG
pike.git/src/peep.c:395:    length=instrbuf.s.len / sizeof(p_instr);       for(e=0;e<=max_label;e++) labels[e]=jumps[e]=-1;      #ifdef ALIGN_PIKE_FUNCTION_BEGINNINGS    while( ( (((INT32) PIKE_PC)+2) & (ALIGN_PIKE_JUMPS-1)))    ins_byte(0);   #endif      #ifdef PIKE_PORTABLE_BYTECODE -  /* FIXME: What about LP64? */ +     if (store_linenumbers) { -  ins_data(tripples); +  ins_data(store_prog_string(tripples)); +  free_string(tripples);    } else {    ins_data(NULL);    }   #endif /* PIKE_PORTABLE_BYTECODE */       entry_point = PIKE_PC;      #ifdef PIKE_DEBUG    synch_depth = 0;   #endif