compile.h

   1 /**********************************************************************
   2
   3   compile.h -
   4
   5   $Author$
   6   created at: 04/01/01 23:36:57 JST
   7
   8   Copyright (C) 2004-2007 Koichi Sasada
   9
  10 **********************************************************************/
  11
  12 #ifndef RUBY_COMPILE_H
  13 #define RUBY_COMPILE_H
  14
  15 /*  */
  16 /**
  17  * debug function(macro) interface depend on CPDEBUG
  18  * if it is less than 0, runtime option is in effect.
  19  *
  20  * debug level:
  21  *  0: no debug output
  22  *  1: show node type
  23  *  2: show node important parameters
  24  *  ...
  25  *  5: show other parameters
  26  * 10: show every AST array
  27  */
  28
  29 #ifndef CPDEBUG
  30 #define CPDEBUG 0
  31 #endif
  32
  33 #if CPDEBUG >= 0
  34 #define compile_debug CPDEBUG
  35 #else
  36 #define compile_debug iseq->compile_data->option->debug_level
  37 #endif
  38
  39 NORETURN(PRINTF_ARGS(void rb_compile_bug(const char*, int, const char*, ...), 3, 4));
  40
  41 #if CPDEBUG
  42
  43 #define compile_debug_print_indent(level) \
  44     ruby_debug_print_indent(level, compile_debug, gl_node_level * 2)
  45
  46 #define debugp(header, value) (void) \
  47   (compile_debug_print_indent(1) && \
  48    ruby_debug_print_value(1, compile_debug, header, value))
  49
  50 #define debugi(header, id)  (void) \
  51   (compile_debug_print_indent(1) && \
  52    ruby_debug_print_id(1, compile_debug, header, id))
  53
  54 #define debugp_param(header, value)  (void) \
  55   (compile_debug_print_indent(1) && \
  56    ruby_debug_print_value(1, compile_debug, header, value))
  57
  58 #define debugp_verbose(header, value)  (void) \
  59   (compile_debug_print_indent(2) && \
  60    ruby_debug_print_value(2, compile_debug, header, value))
  61
  62 #define debugp_verbose_node(header, value)  (void) \
  63   (compile_debug_print_indent(10) && \
  64    ruby_debug_print_value(10, compile_debug, header, value))
  65
  66 #define debug_node_start(node)  ((void) \
  67   (compile_debug_print_indent(1) && \
  68    (ruby_debug_print_node(1, CPDEBUG, "", (NODE *)node), gl_node_level)), \
  69    gl_node_level++)
  70
  71 #define debug_node_end()  gl_node_level --;
  72
  73 #else
  74
  75 static inline ID
  76 r_id(ID id)
  77 {
  78     return id;
  79 }
  80
  81 static inline VALUE
  82 r_value(VALUE value)
  83 {
  84     return value;
  85 }
  86
  87 #define debugi(header, id)                 r_id(id)
  88 #define debugp(header, value)              r_value(value)
  89 #define debugp_verbose(header, value)      r_value(value)
  90 #define debugp_verbose_node(header, value) r_value(value)
  91 #define debugp_param(header, value)        r_value(value)
  92 #define debug_node_start(node)             ((void)0)
  93 #define debug_node_end()                   ((void)0)
  94 #endif
  95
  96 #if CPDEBUG > 1 || CPDEBUG < 0
  97 PRINTF_ARGS(void ruby_debug_printf(const char*, ...), 1, 2);
  98 #define debugs if (compile_debug_print_indent(1)) ruby_debug_printf
  99 #define debug_compile(msg, v) ((void)(compile_debug_print_indent(1) && fputs(msg, stderr)), (v))
 100 #else
 101 #define debugs                             if(0)printf
 102 #define debug_compile(msg, v) (v)
 103 #endif
 104
 105
 106 /* create new label */
 107 #define NEW_LABEL(l) new_label_body(iseq, l)
 108
 109 #define iseq_filename(iseq) \
 110   (((rb_iseq_t*)DATA_PTR(iseq))->filename)
 111
 112 #define NEW_ISEQVAL(node, name, type)       \
 113   new_child_iseq(iseq, node, name, 0, type)
 114
 115 #define NEW_CHILD_ISEQVAL(node, name, type)       \
 116   new_child_iseq(iseq, node, name, iseq->self, type)
 117
 118 #define NEW_SPECIAQL_BLOCK_ISEQVAL(iseq, sym) \
 119   new_child_iseq(iseq, iseq->node, iseq->name, iseq->parent_iseq, iseq->type, sym)
 120
 121 /* add instructions */
 122 #define ADD_SEQ(seq1, seq2) \
 123   APPEND_LIST(seq1, seq2)
 124
 125 /* add an instruction */
 126 #define ADD_INSN(seq, line, insn) \
 127   ADD_ELEM(seq, (LINK_ELEMENT *) new_insn_body(iseq, line, BIN(insn), 0))
 128
 129 /* add an instruction with label operand */
 130 #define ADD_INSNL(seq, line, insn, label) \
 131   ADD_ELEM(seq, (LINK_ELEMENT *) \
 132            new_insn_body(iseq, line, BIN(insn), 1, (VALUE)label))
 133
 134 /* add an instruction with some operands (1, 2, 3, 5) */
 135 #define ADD_INSN1(seq, line, insn, op1) \
 136   ADD_ELEM(seq, (LINK_ELEMENT *) \
 137            new_insn_body(iseq, line, BIN(insn), 1, (VALUE)op1))
 138
 139 #define ADD_INSN2(seq, line, insn, op1, op2) \
 140   ADD_ELEM(seq, (LINK_ELEMENT *) \
 141            new_insn_body(iseq, line, BIN(insn), 2, (VALUE)op1, (VALUE)op2))
 142
 143 #define ADD_INSN3(seq, line, insn, op1, op2, op3) \
 144   ADD_ELEM(seq, (LINK_ELEMENT *) \
 145            new_insn_body(iseq, line, BIN(insn), 3, (VALUE)op1, (VALUE)op2, (VALUE)op3))
 146
 147 /* Specific Insn factory */
 148 #define ADD_SEND(seq, line, id, argc) \
 149   ADD_SEND_R(seq, line, id, argc, (VALUE)Qfalse, (VALUE)INT2FIX(0))
 150
 151 #define ADD_CALL_RECEIVER(seq, line) \
 152   ADD_INSN(seq, line, putnil)
 153
 154 #define ADD_CALL(seq, line, id, argc) \
 155   ADD_SEND_R(seq, line, id, argc, (VALUE)Qfalse, (VALUE)INT2FIX(VM_CALL_FCALL_BIT))
 156
 157 #define ADD_CALL_WITH_BLOCK(seq, line, id, argc, block) \
 158   ADD_SEND_R(seq, line, id, argc, block, (VALUE)INT2FIX(VM_CALL_FCALL_BIT))
 159
 160 #define ADD_SEND_R(seq, line, id, argc, block, flag) \
 161   ADD_ELEM(seq, (LINK_ELEMENT *) \
 162            new_insn_send(iseq, line, \
 163                          (VALUE)id, (VALUE)argc, (VALUE)block, (VALUE)flag))
 164
 165 #define ADD_TRACE(seq, line, event) \
 166   do { \
 167       if ((event) == RUBY_EVENT_LINE && iseq->coverage && RARRAY_PTR(iseq->coverage)[(line) - 1] == Qnil) { \
 168           RARRAY_PTR(iseq->coverage)[(line) - 1] = INT2FIX(0); \
 169           ADD_INSN1(seq, line, trace, INT2FIX(RUBY_EVENT_COVERAGE)); \
 170       } \
 171       ADD_INSN1(seq, line, trace, INT2FIX(event)); \
 172   }while(0);
 173
 174 /* add label */
 175 #define ADD_LABEL(seq, label) \
 176   ADD_ELEM(seq, (LINK_ELEMENT *) label)
 177
 178 #define ADD_ADJUST(seq, line, label) \
 179   ADD_ELEM(seq, (LINK_ELEMENT *) new_adjust_body(iseq, label, line))
 180
 181 #define ADD_ADJUST_RESTORE(seq, label) \
 182   ADD_ELEM(seq, (LINK_ELEMENT *) new_adjust_body(iseq, label, -1))
 183
 184 #define ADD_CATCH_ENTRY(type, ls, le, iseqv, lc)                \
 185     (rb_ary_push(iseq->compile_data->catch_table_ary,           \
 186                  rb_ary_new3(5, type,                           \
 187                              (VALUE)(ls) | 1, (VALUE)(le) | 1,  \
 188                              iseqv, (VALUE)(lc) | 1)))
 189
 190 /* compile node */
 191 #define COMPILE(anchor, desc, node) \
 192   (debug_compile("== " desc "\n", \
 193                  iseq_compile_each(iseq, anchor, node, 0)))
 194
 195 /* compile node, this node's value will be poped */
 196 #define COMPILE_POPED(anchor, desc, node)    \
 197   (debug_compile("== " desc "\n", \
 198                  iseq_compile_each(iseq, anchor, node, 1)))
 199
 200 /* compile node, which is poped when 'poped' is true */
 201 #define COMPILE_(anchor, desc, node, poped)  \
 202   (debug_compile("== " desc "\n", \
 203                  iseq_compile_each(iseq, anchor, node, poped)))
 204
 205 #define OPERAND_AT(insn, idx) \
 206   (((INSN*)(insn))->operands[idx])
 207
 208 #define INSN_OF(insn) \
 209   (((INSN*)(insn))->insn_id)
 210
 211 /* error */
 212 #define COMPILE_ERROR(strs)                        \
 213 {                                                  \
 214   VALUE tmp = GET_THREAD()->errinfo;               \
 215   if (compile_debug) rb_compile_bug strs;          \
 216   GET_THREAD()->errinfo = iseq->compile_data->err_info;  \
 217   rb_compile_error strs;                           \
 218   iseq->compile_data->err_info = GET_THREAD()->errinfo; \
 219   GET_THREAD()->errinfo = tmp;                     \
 220   ret = 0;                                         \
 221   break;                                           \
 222 }
 223
 224 #define ERROR_ARGS ruby_sourcefile, nd_line(node),
 225
 226
 227 #define COMPILE_OK 1
 228 #define COMPILE_NG 0
 229
 230
 231 /* leave name uninitialized so that compiler warn if INIT_ANCHOR is
 232  * missing */
 233 #define DECL_ANCHOR(name) \
 234   LINK_ANCHOR *name, name##_body__ = {{0,},}
 235 #define INIT_ANCHOR(name) \
 236   (name##_body__.last = &name##_body__.anchor, name = &name##_body__)
 237
 238 #endif /* RUBY_COMPILE_H */