pike.git/ src/ docode.c

Branch: Tag:

1998-01-13

1998-01-13 23:01:47 by Fredrik Hübinette (Hubbe) <hubbe@hubbe.net>

Compiler update to use two pass

Rev: src/acconfig.h:1.14
Rev: src/builtin_functions.c:1.59
Rev: src/builtin_functions.h:1.5
Rev: src/compilation.h:1.4
Rev: src/configure.in:1.149
Rev: src/cpp.c:1.3
Rev: src/docode.c:1.24
Rev: src/docode.h:1.4
Rev: src/gc.c:1.24
Rev: src/interpret.c:1.57
Rev: src/interpret.h:1.16
Rev: src/language.yacc:1.51
Rev: src/las.c:1.40
Rev: src/las.h:1.9
Rev: src/lex.c:1.37
Rev: src/lex.h:1.7
Rev: src/main.c:1.32
Rev: src/modules/Image/blit.c:1.26
Rev: src/modules/Image/colortable.c:1.33
Rev: src/modules/Image/dct.c:1.11
Rev: src/modules/Image/image.c:1.73
Rev: src/modules/Image/matrix.c:1.13
Rev: src/modules/Image/operator.c:1.11
Rev: src/modules/Image/pattern.c:1.11
Rev: src/modules/Image/pnm.c:1.9
Rev: src/modules/Image/polyfill.c:1.18
Rev: src/modules/Image/togif.c:1.29
Rev: src/modules/Image/x.c:1.17
Rev: src/modules/Pipe/pipe.c:1.15
Rev: src/modules/Regexp/glue.c:1.9
Rev: src/modules/_Crypto/cbc.c:1.10
Rev: src/modules/_Crypto/crypto.c:1.24
Rev: src/modules/_Crypto/des.c:1.11
Rev: src/modules/_Crypto/pipe.c:1.11
Rev: src/modules/_Crypto/sha.c:1.9
Rev: src/modules/files/socktest.pike:1.6
Rev: src/modules/system/system.c:1.37
Rev: src/object.c:1.31
Rev: src/object.h:1.13
Rev: src/opcodes.c:1.10
Rev: src/operators.c:1.22
Rev: src/peep.c:1.16
Rev: src/peep.in:1.9
Rev: src/pike_types.c:1.27
Rev: src/pike_types.h:1.6
Rev: src/program.c:1.48
Rev: src/program.h:1.24
Rev: src/program_areas.h:1.2
Rev: src/stralloc.c:1.21
Rev: src/stralloc.h:1.10
Rev: src/svalue.c:1.18
Rev: src/testsuite.in:1.64
Rev: src/threads.c:1.51
Rev: src/threads.h:1.26

4:   ||| See the files COPYING and DISCLAIMER for more information.   \*/   #include "global.h" - RCSID("$Id: docode.c,v 1.23 1997/09/22 01:01:15 hubbe Exp $"); + RCSID("$Id: docode.c,v 1.24 1998/01/13 22:56:42 hubbe Exp $");   #include "las.h"   #include "program.h"   #include "language.h"
15:   #include "array.h"   #include "pike_macros.h"   #include "error.h" - #include "pike_memory.h" + #include "memory.h"   #include "svalue.h"   #include "main.h"   #include "lex.h"
32:   static INT32 current_switch_values_on_stack;   static INT32 *current_switch_jumptable =0;    - void ins_byte(unsigned char b,int area) - { -  add_to_mem_block(area, (char *)&b, 1); - } -  - void ins_signed_byte(char b,int area) - { -  add_to_mem_block(area, (char *)&b, 1); - } -  - void ins_short(INT16 l,int area) - { -  add_to_mem_block(area, (char *)&l, sizeof(INT16)); - } -  - /* -  * Store an INT32. -  */ - void ins_int(INT32 l,int area) - { -  add_to_mem_block(area, (char *)&l+0, sizeof(INT32)); - } -  +    void upd_int(int offset, INT32 tmp)   { - #ifdef HANDLES_UNALIGNED_MEMORY_ACCESS -  *((int *)(areas[A_PROGRAM].s.str+offset))=tmp; - #else -  MEMCPY(areas[A_PROGRAM].s.str+offset, (char *)&tmp,sizeof(tmp)); - #endif +  MEMCPY(new_program->program+offset, (char *)&tmp,sizeof(tmp));   }      INT32 read_int(int offset)   { -  INT32 tmp; - #ifdef HANDLES_UNALIGNED_MEMORY_ACCESS -  tmp=*((int *)(areas[A_PROGRAM].s.str+offset)); - #else -  MEMCPY((char *)&tmp, areas[A_PROGRAM].s.str+offset,sizeof(tmp)); - #endif -  return tmp; +  return EXTRACT_INT(new_program->program+offset);   }      int store_linenumbers=1;
148:   int do_docode(node *n,INT16 flags)   {    int i; -  int save_current_line=current_line; +  int save_current_line=lex.current_line;    if(!n) return 0; -  current_line=n->line_number; +  lex.current_line=n->line_number;    i=do_docode2(n, flags);    -  current_line=save_current_line; +  lex.current_line=save_current_line;    return i;   }   
174:    case 2:    fatal("Internal compiler error (%s), line %ld, file %s\n",    err, -  (long)current_line, -  current_file?current_file->str:"Unknown"); +  (long)lex.current_line, +  lex.current_file?lex.current_file->str:"Unknown");    }   }   
279:    default:    yyerror("Illegal lvalue.");    emit(F_NUMBER,0); -  emit(F_NUMBER,0); -  return 2; +  return 1;       case F_LVALUE_LIST:    case F_LOCAL:
289:    case F_INDEX:    case F_ARROW:    case F_ARG_LIST: +  case F_EXTERNAL:    break;    }    }       switch(n->token)    { -  +  case F_EXTERNAL: +  emit(F_LDA, n->u.integer.a); +  if(flags & DO_LVALUE) +  { +  emit(F_EXTERNAL_LVALUE, n->u.integer.b); +  return 2; +  }else{ +  emit(F_EXTERNAL, n->u.integer.b); +  return 1; +  } +  break; +  +  case F_UNDEFINED: +  yyerror("Undefined identifier"); +  emit(F_NUMBER,0); +  return 1; +     case F_PUSH_ARRAY:    code_expression(CAR(n), 0, "`@");    emit2(F_PUSH_ARRAY);
368: Inside #if defined(DEBUG)
   tmp1=do_docode(CAR(n),DO_LVALUE);   #ifdef DEBUG    if(tmp1 != 2) -  fatal("HELP! FATAL INTERNAL COMPILER ERROR\n"); +  fatal("HELP! FATAL INTERNAL COMPILER ERROR (7)\n");   #endif       if(match_types(CAR(n)->type,array_type_string) ||
441:    switch(CDR(n)->token)    {    case F_LOCAL: -  if(CDR(n)->u.number >= local_variables->max_number_of_locals) +  if(CDR(n)->u.number >= compiler_frame->max_number_of_locals)    yyerror("Illegal to use local variable here.");       code_expression(CAR(n), 0, "RHS");
450:    break;       case F_IDENTIFIER: -  if(!IDENTIFIER_IS_VARIABLE( ID_FROM_INT(& fake_program, CDR(n)->u.number)->identifier_flags)) +  if(!IDENTIFIER_IS_VARIABLE( ID_FROM_INT(new_program, CDR(n)->u.number)->identifier_flags))    {    yyerror("Cannot assign functions or constants.\n");    }else{
501:    case F_RANGE:    tmp1=do_docode(CAR(n),DO_NOT_COPY);    if(do_docode(CDR(n),DO_NOT_COPY)!=2) -  fatal("Compiler internal error (at %ld).\n",(long)current_line); +  fatal("Compiler internal error (at %ld).\n",(long)lex.current_line);    emit2(n->token);    return tmp1;   
510: Inside #if defined(DEBUG)
   tmp1=do_docode(CAR(n),DO_LVALUE);   #ifdef DEBUG    if(tmp1 != 2) -  fatal("HELP! FATAL INTERNAL COMPILER ERROR (again)\n"); +  fatal("HELP! FATAL INTERNAL COMPILER ERROR (1)\n");   #endif       if(flags & DO_POP)
527: Inside #if defined(DEBUG)
   tmp1=do_docode(CAR(n),DO_LVALUE);   #ifdef DEBUG    if(tmp1 != 2) -  fatal("HELP! FATAL INTERNAL COMPILER ERROR (yet again)\n"); +  fatal("HELP! FATAL INTERNAL COMPILER ERROR (2)\n");   #endif    if(flags & DO_POP)    {
703:    return 1;    }    else if(CAR(n)->token == F_IDENTIFIER && -  IDENTIFIER_IS_FUNCTION(ID_FROM_INT(& fake_program, CAR(n)->u.number)->identifier_flags)) +  IDENTIFIER_IS_FUNCTION(ID_FROM_INT(new_program, CAR(n)->u.number)->identifier_flags))    {    emit2(F_MARK);    do_docode(CDR(n),0);
722:       tmp=findstring("call_function");    if(!tmp) yyerror("No call_function efun."); -  if(!find_module_identifier(tmp)) +  foo=find_module_identifier(tmp); +  if(!foo || !foo->token==F_CONSTANT)    {    yyerror("No call_function efun.");    }else{ -  tmp1=store_constant(sp-1, 1); -  pop_stack(); +  tmp1=store_constant(& foo->u.sval, 1);    emit(F_APPLY, tmp1);    } -  +  free_node(foo);    return 1;    }   
1065:    }       case F_LOCAL: -  if(n->u.number >= local_variables->max_number_of_locals) +  if(n->u.number >= compiler_frame->max_number_of_locals)    yyerror("Illegal to use local variable here.");    if(flags & DO_LVALUE)    {
1077:    }       case F_IDENTIFIER: -  if(IDENTIFIER_IS_FUNCTION(ID_FROM_INT(& fake_program, n->u.number)->identifier_flags)) +  if(IDENTIFIER_IS_FUNCTION(ID_FROM_INT(new_program, n->u.number)->identifier_flags))    {    if(flags & DO_LVALUE)    {