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Progress in pmgen

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-01-13 17:03:58 +01:00
parent 1f8e76f993
commit d45379936b
3 changed files with 139 additions and 36 deletions
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72
passes/pmgen/pmgen.py
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@ -102,7 +102,9 @@ with open("%s.pmg" % prefix, "r") as f:
block["cell"] = line[1]
state_types[line[1]] = "Cell*";
block["if"] = list()
block["select"] = list()
block["index"] = list()
block["filter"] = list()
block["optional"] = False
@ -113,15 +115,25 @@ with open("%s.pmg" % prefix, "r") as f:
if len(a) == 0 or a[0].startswith("//"): continue
if a[0] == "endmatch": break
if a[0] == "if":
b = l.lstrip()[2:]
block["if"].append(rewrite_cpp(b.strip()))
continue
if a[0] == "select":
b = l.lstrip()[6:]
block["select"].append(rewrite_cpp(b.strip()))
continue
if a[0] == "filter":
m = re.match(r"^\s*filter\s+<(.*?)>\s+(.*?)\s*===\s*(.*?)\s*$", l)
if a[0] == "index":
m = re.match(r"^\s*index\s+<(.*?)>\s+(.*?)\s*===\s*(.*?)\s*$", l)
assert m
block["filter"].append((m.group(1), rewrite_cpp(m.group(2)), rewrite_cpp(m.group(3))))
block["index"].append((m.group(1), rewrite_cpp(m.group(2)), rewrite_cpp(m.group(3))))
continue
if a[0] == "filter":
b = l.lstrip()[6:]
block["filter"].append(rewrite_cpp(b.strip()))
continue
if a[0] == "optional":
@ -167,15 +179,15 @@ with open("%s_pm.h" % prefix, "w") as f:
print("struct {}_pm {{".format(prefix), file=f)
print(" Module *module;", file=f)
print(" SigMap sigmap;", file=f)
print(" std::function<void(struct {}_pm*)> on_accept;".format(prefix), file=f)
print(" std::function<void()> on_accept;".format(prefix), file=f)
print("", file=f)
for index in range(len(blocks)):
block = blocks[index]
if block["type"] == "match":
index_types = list()
for filt in block["filter"]:
index_types.append(filt[0])
for entry in block["index"]:
index_types.append(entry[0])
print(" typedef std::tuple<{}> index_{}_key_type;".format(", ".join(index_types), index), file=f)
print(" dict<index_{}_key_type, vector<Cell*>> index_{};".format(index, index), file=f)
print(" dict<SigBit, pool<Cell*>> sigusers;", file=f)
@ -208,7 +220,8 @@ with open("%s_pm.h" % prefix, "w") as f:
print("", file=f)
print(" void blacklist(Cell *cell) {", file=f)
print(" blacklist_cells.insert(cell);", file=f)
print(" if (cell != nullptr)", file=f)
print(" blacklist_cells.insert(cell);", file=f)
print(" }", file=f)
print("", file=f)
@ -248,6 +261,8 @@ with open("%s_pm.h" % prefix, "w") as f:
print(" for (auto cell : cells) {", file=f)
print(" for (auto &conn : cell->connections())", file=f)
print(" add_siguser(conn.second, cell);", file=f)
print(" }", file=f)
print(" for (auto cell : cells) {", file=f)
for index in range(len(blocks)):
block = blocks[index]
@ -257,8 +272,8 @@ with open("%s_pm.h" % prefix, "w") as f:
for expr in block["select"]:
print(" if (!({})) break;".format(expr), file=f)
print(" index_{}_key_type key;".format(index), file=f)
for field, filt in enumerate(block["filter"]):
print(" std::get<{}>(key) = {};".format(field, filt[1]), file=f)
for field, entry in enumerate(block["index"]):
print(" std::get<{}>(key) = {};".format(field, entry[1]), file=f)
print(" index_{}[key].push_back(cell);".format(index), file=f)
print(" } while (0);", file=f)
@ -266,15 +281,20 @@ with open("%s_pm.h" % prefix, "w") as f:
print(" }", file=f)
print("", file=f)
print(" void run(std::function<void(struct {}_pm*)> on_accept_f) {{".format(prefix), file=f)
print(" void match(std::function<void()> on_accept_f) {{".format(prefix), file=f)
print(" on_accept = on_accept_f;", file=f)
print(" rollback = 0;", file=f)
for s, t in sorted(state_types.items()):
if t.endswith("*"):
print(" st.{} = nullptr;".format(s), file=f)
else:
print(" st.{} = {}();".format(s, t), file=f)
print(" block_0();", file=f)
print(" }", file=f)
print("", file=f)
print("#define reject break", file=f)
print("#define accept do { on_accept(this); check_blacklist(); if (rollback) goto rollback_label; } while(0)", file=f)
print("#define accept do { on_accept(); check_blacklist(); if (rollback) goto rollback_label; } while(0)", file=f)
print("", file=f)
for index in range(len(blocks)):
@ -323,7 +343,7 @@ with open("%s_pm.h" % prefix, "w") as f:
print("", file=f)
for s in sorted(restore_st):
t = state_types[s]
print(" {} backup_{} = st.{};".format(t, s, s), file=f)
print(" {} backup_{} = {};".format(t, s, s), file=f)
if block["type"] == "code":
print("", file=f)
@ -336,24 +356,42 @@ with open("%s_pm.h" % prefix, "w") as f:
print("rollback_label: YS_ATTRIBUTE(unused);", file=f)
print(" } while (0);", file=f)
if len(restore_st):
if len(restore_st) or len(nonconst_st):
print("", file=f)
for s in sorted(restore_st):
t = state_types[s]
print(" st.{} = backup_{};".format(s, s), file=f)
print(" {} = backup_{};".format(s, s), file=f)
for s in sorted(nonconst_st):
if s not in restore_st:
t = state_types[s]
if t.endswith("*"):
print(" {} = nullptr;".format(s), file=f)
else:
print(" {} = {}();".format(s, t), file=f)
elif block["type"] == "match":
assert len(restore_st) == 0
if len(block["if"]):
for expr in block["if"]:
print("", file=f)
print(" if (!({})) {{".format(expr), file=f)
print(" {} = nullptr;".format(block["cell"]), file=f)
print(" block_{}();".format(index+1), file=f)
print(" return;", file=f)
print(" }", file=f)
print("", file=f)
print(" index_{}_key_type key;".format(index), file=f)
for field, filt in enumerate(block["filter"]):
print(" std::get<{}>(key) = {};".format(field, filt[2]), file=f)
for field, entry in enumerate(block["index"]):
print(" std::get<{}>(key) = {};".format(field, entry[2]), file=f)
print(" const vector<Cell*> &cells = index_{}[key];".format(index), file=f)
print("", file=f)
print(" for (int idx = 0; idx < GetSize(cells); idx++) {", file=f)
print(" {} = cells[idx];".format(block["cell"]), file=f)
for expr in block["filter"]:
print(" if (!({})) continue;".format(expr), file=f)
print(" block_{}();".format(index+1), file=f)
print(" if (rollback) {", file=f)
print(" if (rollback != {}) {{".format(index+1), file=f)
@ -382,7 +420,7 @@ with open("%s_pm.h" % prefix, "w") as f:
print("", file=f)
print(" void block_{}() {{".format(len(blocks)), file=f)
print(" on_accept(this);", file=f)
print(" on_accept();", file=f)
print(" check_blacklist();", file=f)
print(" }", file=f)
print("};", file=f)