3 from jinja2 import Environment, Template
4 from jinja2.filters import do_dictsort
7 def format_argdecls(node, first = False, voidwhenempty = False):
8 if not node.has_key("args") or len(node["args"]) == 0:
19 for arg in node["args"]:
20 res = res + (comma + arg["type"] + " " + arg["name"])
24 def format_args(node, first = False):
25 if not node.has_key("args"):
33 for arg in node["args"]:
34 res = res + (comma + arg["name"])
38 def format_blockdecl(node):
39 if node.get("knownBlock"):
42 return ", ir_node *block"
44 def format_block(node):
45 if node.get("knownBlock"):
50 def format_curblock(node):
51 if node.get("knownBlock"):
54 return ", current_ir_graph->current_block"
56 def format_insdecl(node):
58 if arity == "variable" and len(node["ins"]) == 0 or arity == "dynamic" or arity == 0:
61 if arity == "variable":
62 insarity = len(node["ins"])
63 res = "int r_arity = arity + " + `insarity` + ";\n\tir_node **r_in;\n\t" \
64 + "NEW_ARR_A(ir_node *, r_in, r_arity);\n\t"
66 for input in node["ins"]:
67 res += "r_in[" + `i` + "] = irn_" + input + ";\n\t"
69 res += "memcpy(&r_in[" + `insarity` + "], in, sizeof(ir_node *) * arity);\n\t"
71 res = "ir_node *in[" + `arity` + "];\n\t"
73 for input in node["ins"]:
74 res += "in[" + `i` + "] = irn_" + input + ";\n\t"
78 def format_arity_and_ins(node):
80 if arity == "dynamic":
82 elif arity == "variable":
83 if len(node["ins"]) == 0:
86 return "r_arity, r_in"
90 return `arity` + ", in"
93 env.filters['argdecls'] = format_argdecls
94 env.filters['args'] = format_args
95 env.filters['blockdecl'] = format_blockdecl
96 env.filters['block'] = format_block
97 env.filters['curblock'] = format_curblock
98 env.filters['insdecl'] = format_insdecl
99 env.filters['arity_and_ins'] = format_arity_and_ins
101 def add_attr(list, type, name, init = None, initname = None):
103 initname = "." + name
105 list.append(dict(type = type, name = name, init = init, initname = initname))
107 list.append(dict(type = type, name = name, initname = initname))
109 def prepare_attr(attr):
111 return dict(type = attr["type"], name = attr["name"], init = attr["init"])
113 return dict(type = attr["type"], name = attr["name"])
115 def preprocess_node(nodename, node):
117 parent = ir_spec.nodes[node["is_a"]]
118 node["ins"] = parent["ins"]
120 node["outs"] = parent["outs"]
121 if "ins" not in node:
124 node["mode"] = "mode_T"
125 if "arity" not in node:
126 node["arity"] = len(node["ins"])
127 if "attrs" not in node:
129 if "constructor_args" not in node:
130 node["constructor_args"] = []
131 if "attrs_name" not in node:
132 node["attrs_name"] = nodename.lower()
133 if "block" not in node:
134 node["block"] = "block"
135 if "nodbginfo" in node:
138 node["dbdeclnocomma"] = ""
141 node["dbdecl"] = "dbg_info *db, "
142 node["dbdeclnocomma"] = "dbg_info *db"
144 # construct node arguments
150 for input in node["ins"]:
151 arguments.append(dict(type = "ir_node *", name = "irn_" + input))
154 # Special case for Builtin...
155 if nodename == "Builtin":
156 for attr in node["attrs"]:
157 if attr["name"] == "kind":
158 arguments.append(prepare_attr(attr))
160 if node["arity"] == "variable":
161 arguments.append(dict(type = "int", name = "arity"))
162 arguments.append(dict(type = "ir_node **", name = "in"))
164 if "mode" not in node:
165 arguments.append(dict(type = "ir_mode *", name = "mode"))
166 node["mode"] = "mode"
168 attrs_with_special = 0
169 for attr in node["attrs"]:
170 if nodename == "Builtin" and attr["name"] == "kind":
173 if "initname" not in attr:
174 attr["initname"] = "." + attr["name"]
176 # "special" stuff does not work at all, yet
177 if "special" in attr:
178 if not "init" in attr:
179 print "Node type %s has an attribute with a \"special\" entry but without \"init\"" % nodename
182 if attrs_with_special != 0:
183 print "Node type %s has more than one attribute with a \"special\" entry" % nodename
186 attrs_with_special += 1
188 if "prefix" in attr["special"]:
189 specialname = attr["special"]["prefix"] + nodename
190 elif "suffix" in attr["special"]:
191 specialname = nodename + attr["special"]["suffix"]
193 print "Unknown special constructor type for node type %s" %nodename
196 specialconstrs.append(
198 constrname = specialname,
199 attrname = attr["name"],
200 value = attr["special"]["init"]
204 initargs.append(attr["name"])
206 arguments.append(prepare_attr(attr))
208 for arg in node["constructor_args"]:
209 arguments.append(prepare_attr(arg))
210 if arg["type"] == "ir_cons_flags":
212 initattrs.append(dict(initname = ".exc.pin_state",
213 init = name + " & cons_floats ? op_pin_state_floats : op_pin_state_pinned"))
214 initattrs.append(dict(initname = ".volatility",
215 init = name + " & cons_volatile ? volatility_is_volatile : volatility_non_volatile"))
216 initattrs.append(dict(initname = ".aligned",
217 init = name + " & cons_unaligned ? align_non_aligned : align_is_aligned"))
219 node["args"] = arguments
220 node["initargs"] = initargs
221 node["initattrs"] = initattrs
222 node["special_constructors"] = specialconstrs
224 #############################
226 node_template = env.from_string('''
227 ir_node *new_rd_{{nodename}}({{node["dbdecl"]}}ir_graph *irg{{node|blockdecl}}{{node|argdecls}})
230 ir_graph *rem = current_ir_graph;
232 current_ir_graph = irg;
233 res = new_ir_node({{node["db"]}}, irg, {{node["block"]}}, op_{{nodename}}, {{node["mode"]}}, {{node|arity_and_ins}});
234 {% for attr in node["attrs"] -%}
235 res->attr.{{node["attrs_name"]}}{{attr["initname"]}} =
236 {%- if "init" in attr %} {{ attr["init"] -}};
237 {%- else %} {{ attr["name"] -}};
240 {%- for attr in node["initattrs"] -%}
241 res->attr.{{node["attrs_name"]}}{{attr["initname"]}} = {{ attr["init"] -}};
244 {% if node["optimize"] != False -%}
245 res = optimize_node(res);
247 IRN_VRFY_IRG(res, irg);
248 current_ir_graph = rem;
252 ir_node *new_r_{{nodename}}(ir_graph *irg{{node|blockdecl}}{{node|argdecls}})
254 {% if node["nodbginfo"] -%}
255 return new_rd_{{nodename}}(irg{{node|block}}{{node|args}});
257 return new_rd_{{nodename}}(NULL, irg{{node|block}}{{node|args}});
261 ir_node *new_d_{{nodename}}({{node["dbdeclnocomma"]}}{{node|argdecls(node["nodbginfo"])}})
265 {% if node["nodbginfo"] -%}
266 res = new_rd_{{nodename}}(current_ir_graph{{node|curblock}}{{node|args}});
268 res = new_rd_{{nodename}}(db, current_ir_graph{{node|curblock}}{{node|args}});
274 ir_node *new_{{nodename}}({{node|argdecls(True, True)}})
276 {% if node["nodbginfo"] -%}
277 return new_d_{{nodename}}({{node|args(True)}});
279 return new_d_{{nodename}}(NULL{{node|args}});
285 #############################
288 """the main function"""
291 print "usage: %s specname(ignored) destdirectory" % argv[0]
297 niymap = ["Alloc", "Anchor", "ASM", "Bad", "Bound", "Break", "Builtin",
298 "Call", "CallBegin", "Cast", "Const", "Const_type", "Const_long", "CopyB",
299 "defaultProj", "Div", "DivRL", "DivMod", "Dummy", "EndReg", "EndExcept",
300 "Filter", "InstOf", "Mod", "NoMem", "Phi", "Quot", "Raise",
301 "simpleSel", "strictConv", "SymConst", "SymConst_type", "Sync"]
303 file = open(gendir + "/gen_ir_cons.c.inl", "w")
304 for nodename, node in do_dictsort(ir_spec.nodes):
305 if nodename in niymap:
307 preprocess_node(nodename, node)
308 if not "abstract" in node:
309 file.write(node_template.render(vars()))
313 if __name__ == "__main__":