nsz Git - libfirm/blob - scripts/gen_ir_io.py

   1 #!/usr/bin/python
   2 import sys
   3 from jinja2 import Environment, Template
   4 import ir_spec
   5
   6 def format_args(arglist):
   7         #argstrings = map(lambda arg : arg["name"], arglist)
   8         #return ", ".join(argstrings)
   9         s = ", ".join(arglist)
  10         if len(s) == 0:
  11           return "";
  12         return ", " + s;
  13
  14 def format_ifnset(string, node, key):
  15         if key in node:
  16                 return ""
  17         return string
  18
  19 def format_block(node):
  20         if node.get("knownBlock"):
  21                 return ""
  22         else:
  23                 return ", get_node(env, preds[0])"
  24
  25 env = Environment()
  26 env.filters['args']   = format_args
  27 env.filters['ifnset'] = format_ifnset
  28 env.filters['block']  = format_block
  29
  30 def get_io_type(type, attrname, nodename):
  31         if type == "tarval*":
  32                 importcmd = "tarval *%s = read_tv(env);" % attrname
  33                 exportcmd = "write_tarval(env, %(val)s);";
  34         elif type == "ir_mode*":
  35                 importcmd = "ir_mode *%s = read_mode(env);" % attrname
  36                 exportcmd = "write_mode(env, %(val)s);"
  37         elif type == "ir_entity*":
  38                 importcmd = "ir_entity *%s = read_entity(env);" % attrname
  39                 exportcmd = """fprintf(env->file, "%%ld ", get_entity_nr(%(val)s));"""
  40         elif type == "ir_type*":
  41                 importcmd = "ir_type *%s = read_type(env);" % attrname
  42                 exportcmd = """fprintf(env->file, "%%ld ", get_type_nr(%(val)s));"""
  43         elif type == "long" and nodename == "Proj":
  44                 importcmd = "long %s = read_long(env);" % attrname
  45                 exportcmd = """fprintf(env->file, "%%ld ", %(val)s);"""
  46         elif type == "pn_Cmp" or type == "ir_where_alloc":
  47                 importcmd = "%s %s = (%s) read_long(env);" % (type, attrname, type)
  48                 exportcmd = """fprintf(env->file, "%%ld ", (long) %(val)s);"""
  49         elif type == "cons_flags" and nodename == "Store":
  50                 importcmd = "ir_cons_flags %s = get_cons_flags(env);" % attrname
  51                 exportcmd = """write_pin_state(env, irn);
  52                         write_volatility(env, irn);
  53                         write_align(env, irn);"""
  54         elif type == "cons_flags" and nodename == "Load":
  55                 importcmd = "ir_cons_flags %s = get_cons_flags(env);" % attrname
  56                 exportcmd = """write_pin_state(env, irn);
  57                         write_volatility(env, irn);
  58                         write_align(env, irn);"""
  59         elif type == "op_pin_state":
  60                 importcmd = "op_pin_state %s = read_pin_state(env);" % attrname
  61                 exportcmd = "write_pin_state(env, irn);"
  62         else:
  63                 print "UNKNOWN TYPE: %s" % type
  64                 importcmd = """// BAD: %s %s
  65                         %s %s = (%s) 0;""" % (type, attrname, type, attrname, type)
  66                 exportcmd = "// BAD: %s" % type
  67         return (importcmd, exportcmd)
  68
  69 """     if type == "ir_type*":
  70                 java_type    = "firm.Type"
  71                 wrap_type    = "Pointer"
  72                 to_wrapper   = "%s.ptr"
  73                 from_wrapper = "firm.Type.createWrapper(%s)"
  74         elif type == "ir_mode*":
  75                 java_type    = "firm.Mode"
  76                 wrap_type    = "Pointer"
  77                 to_wrapper   = "%s.ptr"
  78                 from_wrapper = "new firm.Mode(%s)"
  79         elif type == "tarval*":
  80                 java_type    = "firm.TargetValue"
  81                 wrap_type    = "Pointer"
  82                 to_wrapper   = "%s.ptr"
  83                 from_wrapper = "new firm.TargetValue(%s)"
  84         elif type == "pn_Cmp":
  85                 java_type    = "int"
  86                 wrap_type    = "int"
  87                 to_wrapper   = "%s"
  88                 from_wrapper = "%s"
  89         elif type == "long":
  90                 java_type    = "int"
  91                 wrap_type    = "com.sun.jna.NativeLong"
  92                 to_wrapper   = "new com.sun.jna.NativeLong(%s)"
  93                 from_wrapper = "%s.intValue()"
  94         elif type == "cons_flags":
  95                 java_type    = "firm.bindings.binding_ircons.ir_cons_flags"
  96                 wrap_type    = "int"
  97                 to_wrapper   = "%s.val"
  98                 from_wrapper = "firm.bindings.binding_ircons.ir_cons_flags.getEnum(%s)"
  99         elif type == "ir_where_alloc":
 100                 java_type    = "firm.bindings.binding_ircons.ir_where_alloc"
 101                 wrap_type    = "int"
 102                 to_wrapper   = "%s.val"
 103                 from_wrapper = "firm.bindings.binding_ircons.ir_where_alloc.getEnum(%s)"
 104         elif type == "ir_entity*":
 105                 java_type    = "firm.Entity"
 106                 wrap_type    = "Pointer"
 107                 to_wrapper   = "%s.ptr"
 108                 from_wrapper = "new firm.Entity(%s)"
 109         else:
 110                 print "UNKNOWN TYPE"
 111                 java_type    = "BAD"
 112                 wrap_type    = "BAD"
 113                 to_wrapper   = "BAD"
 114                 from_wrapper = "BAD"
 115         return (java_type,wrap_type,to_wrapper,from_wrapper)"""
 116
 117 def prepare_attr(nodename, attr):
 118         (importcmd,exportcmd) = get_io_type(attr["type"], attr["name"], nodename)
 119         attr["importcmd"] = importcmd
 120         attr["exportcmd"] = exportcmd % {"val": "get_%s_%s(irn)" % (nodename, attr["name"])}
 121
 122 def preprocess_node(nodename, node):
 123         if "is_a" in node:
 124                 parent = ir_spec.nodes[node["is_a"]]
 125                 node["ins"] = parent["ins"]
 126                 if "outs" in parent:
 127                         node["outs"] = parent["outs"]
 128         if "ins" not in node:
 129                 node["ins"] = []
 130         if "outs" in node:
 131                 node["mode"] = "mode_T"
 132         if "arity" not in node:
 133                 node["arity"] = len(node["ins"])
 134         if "attrs" not in node:
 135                 node["attrs"] = []
 136         if "constructor_args" not in node:
 137                 node["constructor_args"] = []
 138
 139         # construct node arguments
 140         arguments = [ ]
 141         i = 0
 142         for input in node["ins"]:
 143                 arguments.append("prednodes[%i]" % i)
 144                 i += 1
 145
 146         if node["arity"] == "variable" or node["arity"] == "dynamic":
 147                 arguments.append("numpreds - %i" % (i + 1))
 148                 arguments.append("prednodes + %i" % i)
 149
 150         if "mode" not in node:
 151                 arguments.append("mode")
 152
 153         for attr in node["attrs"]:
 154                 prepare_attr(nodename, attr)
 155                 arguments.append(attr["name"])
 156
 157         for arg in node["constructor_args"]:
 158                 prepare_attr(nodename, arg)
 159                 arguments.append(arg["name"])
 160
 161         node["arguments"] = arguments
 162
 163 export_attrs_template = env.from_string('''
 164         case iro_{{nodename}}:
 165                 {{"write_mode(env, get_irn_mode(irn));"|ifnset(node,"mode")}}
 166                 {% for attr in node.attrs %}{{attr.exportcmd}}
 167                 {% endfor %}
 168                 {% for attr in node.constructor_args %}{{attr.exportcmd}}
 169                 {% endfor %}break;''')
 170
 171 import_attrs_template = env.from_string('''
 172         case iro_{{nodename}}:
 173         {
 174                 {{"ir_mode *mode = read_mode(env);"|ifnset(node,"mode")}}
 175                 {% for attr in node.attrs %}{{attr.importcmd}}
 176                 {% endfor %}
 177                 {% for attr in node.constructor_args %}{{attr.importcmd}}
 178                 {% endfor %}newnode = new_r_{{nodename}}(current_ir_graph{{node|block}}{{node["arguments"]|args}});
 179                 break;
 180         }
 181 ''')
 182
 183 def main(argv):
 184         """the main function"""
 185
 186         if len(argv) < 3:
 187                 print "usage: %s specname(ignored) destdirectory" % argv[0]
 188                 sys.exit(1)
 189
 190         gendir = argv[2]
 191
 192         file = open(gendir + "/gen_irio_export.inl", "w");
 193         for nodename, node in ir_spec.nodes.iteritems():
 194                 preprocess_node(nodename, node)
 195                 if not "abstract" in node:
 196                         file.write(export_attrs_template.render(vars()))
 197         file.write("\n")
 198         file.close()
 199
 200         file = open(gendir + "/gen_irio_import.inl", "w");
 201         for nodename, node in ir_spec.nodes.iteritems():
 202                 if not "abstract" in node and nodename != "Start" and nodename != "End" and nodename != "Anchor" and nodename != "SymConst" and nodename != "Block":
 203                         file.write(import_attrs_template.render(vars()))
 204         # TODO: SymConst
 205         file.write("\n")
 206         file.close()
 207
 208         file = open(gendir + "/gen_irio_lex.inl", "w");
 209         for nodename, node in ir_spec.nodes.iteritems():
 210                 if not "abstract" in node:
 211                         file.write("\tINSERT(\"" + nodename + "\", tt_iro, iro_" + nodename + ");\n");
 212         file.close()
 213
 214 if __name__ == "__main__":
 215         main(sys.argv)