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C++ scheme_sfs_expr函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中scheme_sfs_expr函数的典型用法代码示例。如果您正苦于以下问题：C++ scheme_sfs_expr函数的具体用法？C++ scheme_sfs_expr怎么用？C++ scheme_sfs_expr使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了scheme_sfs_expr函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: scheme_sfs_start_sequence

static Scheme_Object *with_immed_mark_sfs(Scheme_Object *o, SFS_Info *info)
{
  Scheme_With_Continuation_Mark *wcm = (Scheme_With_Continuation_Mark *)o;
  Scheme_Object *k, *v, *b, *vec;
  int pos, save_mnt;
  
  scheme_sfs_start_sequence(info, 3, 1);

  k = scheme_sfs_expr(wcm->key, info, -1);
  v = scheme_sfs_expr(wcm->val, info, -1);

  scheme_sfs_push(info, 1, 1);

  pos = info->stackpos;
  save_mnt = info->max_nontail;

  if (!info->pass) {
    vec = scheme_make_vector(3, NULL);
    scheme_sfs_save(info, vec);
  } else {
    vec = scheme_sfs_next_saved(info);
    if (SCHEME_VEC_SIZE(vec) != 3)
      scheme_signal_error("internal error: bad vector length");
    info->max_used[pos] = SCHEME_INT_VAL(SCHEME_VEC_ELS(vec)[0]);
    info->max_calls[pos] = SCHEME_INT_VAL(SCHEME_VEC_ELS(vec)[1]);
    info->max_nontail = SCHEME_INT_VAL(SCHEME_VEC_ELS(vec)[2]);
  }
  
  b = scheme_sfs_expr(wcm->body, info, -1);
  
  wcm->key = k;
  wcm->val = v;
  wcm->body = b;

# if MAX_SFS_CLEARING
  if (!info->pass)
    info->max_nontail = info->ip;
# endif

  if (!info->pass) {
    int n;
    info->max_calls[pos] = info->max_nontail;
    n = info->max_used[pos];
    SCHEME_VEC_ELS(vec)[0] = scheme_make_integer(n);
    n = info->max_calls[pos];
    SCHEME_VEC_ELS(vec)[1] = scheme_make_integer(n);
    SCHEME_VEC_ELS(vec)[2] = scheme_make_integer(info->max_nontail);
  } else {
    info->max_nontail = save_mnt;
  }

  return o;
}
开发者ID:juanfra684，项目名称:racket，代码行数:53，代码来源:sfs.c


示例2: ref_sfs

static Scheme_Object *
ref_sfs(Scheme_Object *data, SFS_Info *info)
{
  Scheme_Object *a_naya;
  Scheme_Object *b_naya;

  scheme_sfs_start_sequence(info, 1, 0);
  a_naya = scheme_sfs_expr(SCHEME_PTR1_VAL(data), info, -1);
  b_naya = scheme_sfs_expr(SCHEME_PTR2_VAL(data), info, -1);
  SCHEME_PTR1_VAL(data) = a_naya;
  SCHEME_PTR2_VAL(data) = b_naya;

  return data;
}
开发者ID:awest，项目名称:racket，代码行数:14，代码来源:sfs.c


示例3: SFS_LOG

Scheme_Object *scheme_sfs(Scheme_Object *o, SFS_Info *info, int max_let_depth)
{
  int init, i;

  SFS_LOG(printf("sfs %d\n", SCHEME_TYPE(o)));

  if (!info) {
    info = scheme_new_sfs_info(max_let_depth);
  }

  info->pass = 0;
  info->ip = 1;
  info->abs_ip = 1;
  info->saved = scheme_null;
  info->min_touch = -1;
  info->max_touch = -1;
  info->tail_pos = 1;
  init = info->stackpos;
  o = scheme_sfs_expr(o, info, -1);

  if (info->seqn)
    scheme_signal_error("ended in the middle of an expression?");

# if MAX_SFS_CLEARING
  info->max_nontail = info->ip;
  info->abs_max_nontail = info->abs_ip;
# endif

  for (i = info->depth; i-- > init; ) {
    info->max_calls[i] = info->max_nontail;
  }

  {
    Scheme_Object *v;
    v = scheme_reverse(info->saved);
    info->saved = v;
  }

  info->pass = 1;
  info->seqn = 0;
  info->ip = 1;
  info->abs_ip = 1;
  info->tail_pos = 1;
  info->stackpos = init;
  o = scheme_sfs_expr(o, info, -1);

  return o;
}
开发者ID:juanfra684，项目名称:racket，代码行数:48，代码来源:sfs.c


示例4: scheme_sfs_start_sequence

static Scheme_Object *sfs_wcm(Scheme_Object *o, SFS_Info *info)
{
  Scheme_With_Continuation_Mark *wcm = (Scheme_With_Continuation_Mark *)o;
  Scheme_Object *k, *v, *b;

  scheme_sfs_start_sequence(info, 3, 1);

  k = scheme_sfs_expr(wcm->key, info, -1);
  v = scheme_sfs_expr(wcm->val, info, -1);
  b = scheme_sfs_expr(wcm->body, info, -1);
  
  wcm->key = k;
  wcm->val = v;
  wcm->body = b;

  return o;
}
开发者ID:awest，项目名称:racket，代码行数:17，代码来源:sfs.c


示例5: apply_values_sfs

static Scheme_Object *
apply_values_sfs(Scheme_Object *data, SFS_Info *info)
{
  Scheme_Object *f, *e;

  f = SCHEME_PTR1_VAL(data);
  e = SCHEME_PTR2_VAL(data);

  scheme_sfs_start_sequence(info, 2, 0);

  f = scheme_sfs_expr(f, info, -1);
  e = scheme_sfs_expr(e, info, -1);

  SCHEME_PTR1_VAL(data) = f;
  SCHEME_PTR2_VAL(data) = e;

  return data;
}
开发者ID:awest，项目名称:racket，代码行数:18，代码来源:sfs.c


示例6: define_values_sfs

static Scheme_Object *
define_values_sfs(Scheme_Object *data, SFS_Info *info)
{
  Scheme_Object *e;
  scheme_sfs_start_sequence(info, 1, 0);
  e = scheme_sfs_expr(SCHEME_VEC_ELS(data)[0], info, -1);
  SCHEME_VEC_ELS(data)[0] = e;
  return data;
}
开发者ID:awest，项目名称:racket，代码行数:9，代码来源:sfs.c


示例7: inline_variant_sfs

static Scheme_Object *
inline_variant_sfs(Scheme_Object *data, SFS_Info *info)
{
  Scheme_Object *e;
  scheme_sfs_start_sequence(info, 1, 0);
  e = scheme_sfs_expr(SCHEME_VEC_ELS(data)[0], info, -1);
  SCHEME_VEC_ELS(data)[0] = e;
  /* we don't bother with inlinable variant, since it isn't called directly */
  return data;
}
开发者ID:awest，项目名称:racket，代码行数:10，代码来源:sfs.c


示例8: set_sfs

static Scheme_Object *
set_sfs(Scheme_Object *data, SFS_Info *info)
{
  Scheme_Set_Bang *sb = (Scheme_Set_Bang *)data;
  Scheme_Object *var, *val;

  var = sb->var;
  val = sb->val;
  
  scheme_sfs_start_sequence(info, 2, 0);

  val = scheme_sfs_expr(val, info, -1);
  var = scheme_sfs_expr(var, info, -1);

  sb->var = var;
  sb->val = val;

  return (Scheme_Object *)sb;
}
开发者ID:awest，项目名称:racket，代码行数:19，代码来源:sfs.c


示例9: scheme_sfs_expr

static Scheme_Object *sfs_expr_k(void)
{
  Scheme_Thread *p = scheme_current_thread;
  Scheme_Object *e = (Scheme_Object *)p->ku.k.p1;
  SFS_Info *info = (SFS_Info *)p->ku.k.p2;

  p->ku.k.p1 = NULL;
  p->ku.k.p2 = NULL;

  return scheme_sfs_expr(e, info, p->ku.k.i1);
}
开发者ID:juanfra684，项目名称:racket，代码行数:11，代码来源:sfs.c


示例10: scheme_sfs_push

static Scheme_Object *sfs_let_void(Scheme_Object *o, SFS_Info *info)
{
  Scheme_Let_Void *lv = (Scheme_Let_Void *)o;
  Scheme_Object *body;
  int i, pos, save_mnt;
  Scheme_Object *vec;
    
  scheme_sfs_push(info, lv->count, 1);
  pos = info->stackpos;
  save_mnt = info->max_nontail;

  if (!info->pass) {
    vec = scheme_make_vector(lv->count + 1, NULL);
    scheme_sfs_save(info, vec);
  } else {
    vec = scheme_sfs_next_saved(info);
    if (!SCHEME_VECTORP(vec))
      scheme_signal_error("internal error: not a vector");
    for (i = 0; i < lv->count; i++) {
      info->max_used[pos + i] = SCHEME_INT_VAL(SCHEME_VEC_ELS(vec)[i]);
      info->max_calls[pos + i] = SCHEME_INT_VAL(SCHEME_VEC_ELS(vec)[lv->count]);
    }
    info->max_nontail = SCHEME_INT_VAL(SCHEME_VEC_ELS(vec)[lv->count]);
  }

  body = scheme_sfs_expr(lv->body, info, -1);

# if MAX_SFS_CLEARING
  if (!info->pass)
    info->max_nontail = info->ip;
# endif

  if (!info->pass) {
    int n;
    SCHEME_VEC_ELS(vec)[lv->count] = scheme_make_integer(info->max_nontail);
    for (i = 0; i < lv->count; i++) {
      n = info->max_used[pos + i];
      SCHEME_VEC_ELS(vec)[i] = scheme_make_integer(n);
    }
  } else {
    info->max_nontail = save_mnt;
  }

  lv->body = body;

  return o;
}
开发者ID:awest，项目名称:racket，代码行数:47，代码来源:sfs.c


示例11: module_sfs

static Scheme_Object *
module_sfs(Scheme_Object *data, SFS_Info *old_info)
{
  Scheme_Module *m = (Scheme_Module *)data;
  Scheme_Object *e, *ex;
  SFS_Info *info;
  int i, j, cnt, let_depth;

  if (!old_info->for_mod) {
    if (old_info->pass)
      return data;

    info = scheme_new_sfs_info(m->max_let_depth);
    info->for_mod = 1;
    scheme_sfs(data, info, m->max_let_depth);
    return data;
  }

  info = old_info;

  cnt = SCHEME_VEC_SIZE(m->bodies[0]);
  scheme_sfs_start_sequence(info, cnt, 0);

  for (i = 0; i < cnt; i++) {
    e = scheme_sfs_expr(SCHEME_VEC_ELS(m->bodies[0])[i], info, -1);
    SCHEME_VEC_ELS(m->bodies[0])[i] = e;
  }

  if (!info->pass) {
    for (j = m->num_phases; j-- > 1; ) {
      cnt = SCHEME_VEC_SIZE(m->bodies[j]);
      for (i = 0; i < cnt; i++) {
        e = SCHEME_VEC_ELS(m->bodies[j])[i];
        
        let_depth = SCHEME_INT_VAL(SCHEME_VEC_ELS(e)[2]);
        ex = SCHEME_VEC_ELS(e)[1];
        
        info = scheme_new_sfs_info(let_depth);
        ex = scheme_sfs(ex, info, let_depth);
        SCHEME_VEC_ELS(e)[1] = ex;
      }
    }
  }

  return data;
}
开发者ID:awest，项目名称:racket，代码行数:46，代码来源:sfs.c


示例12: begin0_sfs

static Scheme_Object *
begin0_sfs(Scheme_Object *obj, SFS_Info *info)
{
  int i, cnt;
  
  cnt = ((Scheme_Sequence *)obj)->count;

  scheme_sfs_start_sequence(info, cnt, 0);

  for (i = 0; i < cnt; i++) {
    Scheme_Object *le;
    le = scheme_sfs_expr(((Scheme_Sequence *)obj)->array[i], info, -1);
    ((Scheme_Sequence *)obj)->array[i] = le;
  }

  return obj;
}
开发者ID:awest，项目名称:racket，代码行数:17，代码来源:sfs.c


示例13: case_lambda_sfs

static Scheme_Object *
case_lambda_sfs(Scheme_Object *expr, SFS_Info *info)
{
  Scheme_Case_Lambda *seq = (Scheme_Case_Lambda *)expr;
  Scheme_Object *le, *clears = scheme_null;
  int i;

  scheme_sfs_start_sequence(info, seq->count, 0);

  for (i = 0; i < seq->count; i++) {
    le = seq->array[i];
    le = scheme_sfs_expr(le, info, -1);
    if (SAME_TYPE(SCHEME_TYPE(le), scheme_begin0_sequence_type)) {
      /* Some clearing actions were added to the closure.
         Lift them out. */
      int j;
      Scheme_Sequence *cseq = (Scheme_Sequence *)le;
      if (!cseq->count)
        scheme_signal_error("internal error: empty sequence");
      for (j = 1; j < cseq->count; j++) {
        int pos;
        pos = SCHEME_LOCAL_POS(cseq->array[j]);
        clears = scheme_make_pair(scheme_make_integer(pos), clears);
      }
      le = cseq->array[0];
    }
    if (!SAME_TYPE(SCHEME_TYPE(le), scheme_unclosed_procedure_type)
        && !SAME_TYPE(SCHEME_TYPE(le), scheme_closure_type)) {
      scheme_signal_error("internal error: not a lambda for case-lambda: %d",
                          SCHEME_TYPE(le));
    }
    seq->array[i] = le;
  }

  if (!SCHEME_NULLP(clears)) {
    return scheme_sfs_add_clears(expr, clears, 0);
  } else
    return expr;
}
开发者ID:awest，项目名称:racket，代码行数:39，代码来源:sfs.c


示例14: SCHEME_INT_VAL

static Scheme_Object *bangboxenv_sfs(Scheme_Object *data, SFS_Info *info)
{
  Scheme_Object *e;
  int spos, drop;

  spos = SCHEME_INT_VAL(SCHEME_PTR1_VAL(data)) + info->stackpos;
  if (info->pass 
      && (info->max_used[spos] < info->ip))
    /* Not used, so don't bother boxing. In fact, the original value
       might be cleared already, so we wan't legally box anymore. */
    drop = 1;
  else
    drop = 0;

  e = scheme_sfs_expr(SCHEME_PTR2_VAL(data), info, -1);

  if (drop)
    return e;
  else {
    SCHEME_PTR2_VAL(data) = e;
    return data;
  }
}
开发者ID:awest，项目名称:racket，代码行数:23，代码来源:sfs.c


示例15: SFS_LOG

static Scheme_Object *sfs_one_branch(SFS_Info *info, int ip, 
                                     Scheme_Object *vec, int delta,
                                     Scheme_Object *tbranch)
{
  int t_min_t, t_max_t, t_cnt, n, stackpos, i, save_nt, b_end, nt;
  Scheme_Object *t_vec, *o;
  Scheme_Object *clears = scheme_null;

  info->min_touch = -1;
  info->max_touch = -1;
  save_nt = info->max_nontail;

  SFS_LOG(printf("%d %d %s %d\n", info->pass, ip, (delta ? "else" : "then"), ip));

  if (info->pass) {
    /* Re-install max_used entries that refer to the branch */
    o = SCHEME_VEC_ELS(vec)[delta * SFS_BRANCH_W];
    t_min_t = SCHEME_INT_VAL(o);
    o = SCHEME_VEC_ELS(vec)[(delta * SFS_BRANCH_W) + 2];
    nt = SCHEME_INT_VAL(o);
    if (nt > info->max_nontail)
      info->max_nontail = nt;
    if (t_min_t > -1) {
      t_vec = SCHEME_VEC_ELS(vec)[(delta * SFS_BRANCH_W) + 1];
      t_cnt = SCHEME_VEC_SIZE(t_vec);
      for (i = 0; i < t_cnt; i++) {
        o = SCHEME_VEC_ELS(t_vec)[i];
        if (SCHEME_INTP(o)) {
          n = SCHEME_INT_VAL(o);
          SFS_LOG(printf(" @%d %d\n", i + t_min_t, n));
          if (info->max_used[i + t_min_t] < n) {
            SFS_LOG(printf(" |%d %d %d\n", i + t_min_t, n, info->max_nontail));
            info->max_used[i + t_min_t] = n;
            info->max_calls[i + t_min_t] = info->max_nontail;
          }
        }
      }
    }
    /* If the other branch has last use for something not used in this
       branch, and if there's a non-tail call in this branch
       of later, then we'll have to start with explicit clears. 
       Note that it doesn't matter whether the other branch actually
       clears them (i.e., the relevant non-tail call might be only
       in this branch). */
    o = SCHEME_VEC_ELS(vec)[(delta * SFS_BRANCH_W) + 3];
    b_end = SCHEME_INT_VAL(o);
    SFS_LOG(printf(" %d %d %d %d\n", nt, ip, b_end, save_nt));
    if (((nt > (ip + 1)) && (nt < b_end)) /* => non-tail call in branch */
        || ((ip + 1) < save_nt)) { /* => non-tail call after branches */
      SFS_LOG(printf(" other\n"));
      o = SCHEME_VEC_ELS(vec)[(1 - delta) * SFS_BRANCH_W];
      t_min_t = SCHEME_INT_VAL(o);
      if (t_min_t > -1) {
        int at_ip, pos;
        t_vec = SCHEME_VEC_ELS(vec)[((1 - delta) * SFS_BRANCH_W) + 1];
        t_cnt = SCHEME_VEC_SIZE(t_vec);
        o = SCHEME_VEC_ELS(vec)[((1 - delta) * SFS_BRANCH_W) + 2];
        nt = SCHEME_INT_VAL(o);
        o = SCHEME_VEC_ELS(vec)[((1 - delta) * SFS_BRANCH_W) + 3];
        b_end = SCHEME_INT_VAL(o);
        for (i = 0; i < t_cnt; i++) {
          o = SCHEME_VEC_ELS(t_vec)[i];
          if (SCHEME_INTP(o)) {
            n = SCHEME_INT_VAL(o);
            pos = i + t_min_t;
            at_ip = info->max_used[pos];
            SFS_LOG(printf(" ?%d %d %d\n", pos, n, at_ip));
            /* is last use in other branch? */
            if (((!delta && (at_ip == ip))
                 || (delta && (at_ip == n)))) {
              /* Yes, so add clear */
              SFS_LOG(printf(" !%d %d %d\n", pos, n, at_ip));
              pos -= info->stackpos;
              clears = scheme_make_pair(scheme_make_integer(pos), 
                                        clears);
            }
          }
        }
      }
    }
  }

  stackpos = info->stackpos;

  tbranch = scheme_sfs_expr(tbranch, info, -1);

  if (info->pass)
    info->max_nontail = save_nt;
# if MAX_SFS_CLEARING
  else
    info->max_nontail = info->ip;
# endif

  tbranch = scheme_sfs_add_clears(tbranch, clears, 1);

  if (!info->pass) {
    t_min_t = info->min_touch;
    t_max_t = info->max_touch;
    if (t_min_t < stackpos)
      t_min_t = stackpos;
//.........这里部分代码省略.........
开发者ID:awest，项目名称:racket，代码行数:101，代码来源:sfs.c



注：本文中的scheme_sfs_expr函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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