2019-01-13 03:57:11 -06:00
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#!/usr/bin/env python3
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import re
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import sys
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import pprint
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pp = pprint.PrettyPrinter(indent=4)
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2019-02-28 16:00:58 -06:00
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pmgfile = sys.argv[1]
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2019-02-28 16:56:05 -06:00
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assert pmgfile.endswith(".pmg")
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prefix = pmgfile[0:-4]
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pmname = prefix.split('/')[-1]
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2019-01-13 03:57:11 -06:00
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state_types = dict()
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2019-01-14 06:29:27 -06:00
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udata_types = dict()
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2019-01-13 03:57:11 -06:00
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blocks = list()
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ids = dict()
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def rewrite_cpp(s):
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t = list()
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i = 0
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while i < len(s):
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if s[i] in ("'", '"') and i + 1 < len(s):
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j = i + 1
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while j + 1 < len(s) and s[j] != s[i]:
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if s[j] == '\\' and j + 1 < len(s):
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j += 1
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j += 1
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t.append(s[i:j+1])
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i = j + 1
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continue
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if s[i] in ('$', '\\') and i + 1 < len(s):
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j = i + 1
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while True:
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if j == len(s):
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j -= 1
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break
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if ord('a') <= ord(s[j]) <= ord('z'):
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j += 1
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continue
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if ord('A') <= ord(s[j]) <= ord('Z'):
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j += 1
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continue
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if ord('0') <= ord(s[j]) <= ord('9'):
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j += 1
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continue
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if s[j] == '_':
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j += 1
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continue
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j -= 1
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break
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n = s[i:j+1]
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i = j + 1
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if n[0] == '$':
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v = "id_d_" + n[1:]
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else:
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v = "id_b_" + n[1:]
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if v not in ids:
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ids[v] = n
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else:
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assert ids[v] == n
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t.append(v)
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continue
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if s[i] == "\t":
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t.append(" ")
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else:
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t.append(s[i])
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i += 1
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return "".join(t)
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2019-02-28 16:00:58 -06:00
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with open(pmgfile, "r") as f:
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2019-01-13 03:57:11 -06:00
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while True:
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line = f.readline()
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if line == "": break
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line = line.strip()
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cmd = line.split()
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2019-01-13 05:53:13 -06:00
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if len(cmd) == 0 or cmd[0].startswith("//"): continue
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2019-01-13 03:57:11 -06:00
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cmd = cmd[0]
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2019-02-26 12:28:42 -06:00
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2019-01-13 03:57:11 -06:00
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if cmd == "state":
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m = re.match(r"^state\s+<(.*?)>\s+(([A-Za-z_][A-Za-z_0-9]*\s+)*[A-Za-z_][A-Za-z_0-9]*)\s*$", line)
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assert m
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type_str = m.group(1)
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states_str = m.group(2)
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for s in re.split(r"\s+", states_str):
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assert s not in state_types
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state_types[s] = type_str
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continue
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2019-01-14 06:29:27 -06:00
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if cmd == "udata":
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m = re.match(r"^udata\s+<(.*?)>\s+(([A-Za-z_][A-Za-z_0-9]*\s+)*[A-Za-z_][A-Za-z_0-9]*)\s*$", line)
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assert m
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type_str = m.group(1)
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udatas_str = m.group(2)
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for s in re.split(r"\s+", udatas_str):
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assert s not in udata_types
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udata_types[s] = type_str
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continue
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2019-01-13 03:57:11 -06:00
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if cmd == "match":
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block = dict()
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block["type"] = "match"
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line = line.split()
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assert len(line) == 2
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assert line[1] not in state_types
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block["cell"] = line[1]
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state_types[line[1]] = "Cell*";
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2019-01-13 10:03:58 -06:00
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block["if"] = list()
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2019-01-13 03:57:11 -06:00
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block["select"] = list()
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2019-01-13 10:03:58 -06:00
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block["index"] = list()
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2019-01-13 03:57:11 -06:00
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block["filter"] = list()
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block["optional"] = False
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while True:
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l = f.readline()
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assert l != ""
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a = l.split()
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2019-01-13 05:53:13 -06:00
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if len(a) == 0 or a[0].startswith("//"): continue
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2019-01-13 03:57:11 -06:00
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if a[0] == "endmatch": break
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2019-01-13 10:03:58 -06:00
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if a[0] == "if":
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b = l.lstrip()[2:]
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block["if"].append(rewrite_cpp(b.strip()))
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continue
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2019-01-13 03:57:11 -06:00
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if a[0] == "select":
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b = l.lstrip()[6:]
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block["select"].append(rewrite_cpp(b.strip()))
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continue
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2019-01-13 10:03:58 -06:00
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if a[0] == "index":
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m = re.match(r"^\s*index\s+<(.*?)>\s+(.*?)\s*===\s*(.*?)\s*$", l)
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2019-01-13 03:57:11 -06:00
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assert m
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2019-01-13 10:03:58 -06:00
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block["index"].append((m.group(1), rewrite_cpp(m.group(2)), rewrite_cpp(m.group(3))))
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continue
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if a[0] == "filter":
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b = l.lstrip()[6:]
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block["filter"].append(rewrite_cpp(b.strip()))
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2019-01-13 03:57:11 -06:00
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continue
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if a[0] == "optional":
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block["optional"] = True
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continue
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assert False
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blocks.append(block)
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if cmd == "code":
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block = dict()
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block["type"] = "code"
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block["code"] = list()
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block["states"] = set()
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for s in line.split()[1:]:
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assert s in state_types
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block["states"].add(s)
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while True:
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l = f.readline()
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assert l != ""
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a = l.split()
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if len(a) == 0: continue
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if a[0] == "endcode": break
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block["code"].append(rewrite_cpp(l.rstrip()))
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blocks.append(block)
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with open("%s_pm.h" % prefix, "w") as f:
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print("// Generated by pmgen.py from {}.pgm".format(prefix), file=f)
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2019-01-13 05:53:13 -06:00
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print("", file=f)
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2019-01-13 03:57:11 -06:00
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print("#include \"kernel/yosys.h\"", file=f)
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print("#include \"kernel/sigtools.h\"", file=f)
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2019-01-13 05:53:13 -06:00
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print("", file=f)
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2019-01-13 03:57:11 -06:00
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print("YOSYS_NAMESPACE_BEGIN", file=f)
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2019-01-13 05:53:13 -06:00
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print("", file=f)
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2019-02-28 16:56:05 -06:00
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print("struct {}_pm {{".format(pmname), file=f)
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2019-01-13 03:57:11 -06:00
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print(" Module *module;", file=f)
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print(" SigMap sigmap;", file=f)
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2019-02-28 16:56:05 -06:00
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print(" std::function<void()> on_accept;".format(pmname), file=f)
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2019-01-13 03:57:11 -06:00
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print("", file=f)
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for index in range(len(blocks)):
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block = blocks[index]
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if block["type"] == "match":
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index_types = list()
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2019-01-13 10:03:58 -06:00
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for entry in block["index"]:
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index_types.append(entry[0])
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2019-01-13 03:57:11 -06:00
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print(" typedef std::tuple<{}> index_{}_key_type;".format(", ".join(index_types), index), file=f)
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print(" dict<index_{}_key_type, vector<Cell*>> index_{};".format(index, index), file=f)
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2019-01-13 05:53:13 -06:00
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print(" dict<SigBit, pool<Cell*>> sigusers;", file=f)
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print(" pool<Cell*> blacklist_cells;", file=f)
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2019-02-17 08:35:48 -06:00
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print(" pool<Cell*> autoremove_cells;", file=f)
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2019-01-14 06:42:42 -06:00
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print(" bool blacklist_dirty;", file=f)
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2019-01-13 05:53:13 -06:00
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print(" int rollback;", file=f)
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2019-01-13 03:57:11 -06:00
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print("", file=f)
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print(" struct state_t {", file=f)
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for s, t in sorted(state_types.items()):
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print(" {} {};".format(t, s), file=f)
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print(" } st;", file=f)
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print("", file=f)
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2019-01-14 06:29:27 -06:00
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print(" struct udata_t {", file=f)
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for s, t in sorted(udata_types.items()):
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print(" {} {};".format(t, s), file=f)
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print(" } ud;", file=f)
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print("", file=f)
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2019-01-13 03:57:11 -06:00
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for v, n in sorted(ids.items()):
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if n[0] == "\\":
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print(" IdString {}{{\"\\{}\"}};".format(v, n), file=f)
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else:
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print(" IdString {}{{\"{}\"}};".format(v, n), file=f)
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print("", file=f)
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2019-01-13 05:53:13 -06:00
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print(" void add_siguser(const SigSpec &sig, Cell *cell) {", file=f)
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print(" for (auto bit : sigmap(sig)) {", file=f)
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print(" if (bit.wire == nullptr) continue;", file=f)
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print(" if (sigusers.count(bit) == 0 && bit.wire->port_id)", file=f)
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print(" sigusers[bit].insert(nullptr);", file=f)
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print(" sigusers[bit].insert(cell);", file=f)
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print(" }", file=f)
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print(" }", file=f)
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print("", file=f)
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print(" void blacklist(Cell *cell) {", file=f)
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2019-01-14 06:42:42 -06:00
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print(" if (cell != nullptr) {", file=f)
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print(" if (blacklist_cells.insert(cell).second)", file=f)
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print(" blacklist_dirty = true;", file=f)
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print(" }", file=f)
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2019-01-13 05:53:13 -06:00
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print(" }", file=f)
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print("", file=f)
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2019-02-17 08:35:48 -06:00
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print(" void autoremove(Cell *cell) {", file=f)
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print(" if (cell != nullptr) {", file=f)
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print(" if (blacklist_cells.insert(cell).second)", file=f)
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print(" blacklist_dirty = true;", file=f)
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print(" autoremove_cells.insert(cell);", file=f)
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print(" }", file=f)
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print(" }", file=f)
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print("", file=f)
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2019-01-13 05:53:13 -06:00
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print(" void check_blacklist() {", file=f)
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2019-01-14 06:42:42 -06:00
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print(" if (!blacklist_dirty)", file=f)
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print(" return;", file=f)
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print(" blacklist_dirty = false;", file=f)
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2019-01-13 05:53:13 -06:00
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for index in range(len(blocks)):
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block = blocks[index]
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if block["type"] == "match":
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print(" if (st.{} != nullptr && blacklist_cells.count(st.{})) {{".format(block["cell"], block["cell"]), file=f)
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print(" rollback = {};".format(index+1), file=f)
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print(" return;", file=f)
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print(" }", file=f)
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print(" rollback = 0;", file=f)
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print(" }", file=f)
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print("", file=f)
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print(" SigSpec port(Cell *cell, IdString portname) {", file=f)
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print(" return sigmap(cell->getPort(portname));", file=f)
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2019-01-13 03:57:11 -06:00
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print(" }", file=f)
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2019-01-13 05:53:13 -06:00
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print("", file=f)
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print(" Const param(Cell *cell, IdString paramname) {", file=f)
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print(" return cell->getParam(paramname);", file=f)
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print(" }", file=f)
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print("", file=f)
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2019-01-13 03:57:11 -06:00
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2019-01-13 05:53:13 -06:00
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print(" int nusers(const SigSpec &sig) {", file=f)
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print(" pool<Cell*> users;", file=f)
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print(" for (auto bit : sigmap(sig))", file=f)
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print(" for (auto user : sigusers[bit])", file=f)
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print(" users.insert(user);", file=f)
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print(" return GetSize(users);", file=f)
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print(" }", file=f)
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print("", file=f)
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2019-02-28 16:56:05 -06:00
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print(" {}_pm(Module *module, const vector<Cell*> &cells) :".format(pmname), file=f)
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2019-01-13 05:53:13 -06:00
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print(" module(module), sigmap(module) {", file=f)
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2019-01-14 06:29:27 -06:00
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for s, t in sorted(udata_types.items()):
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if t.endswith("*"):
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print(" ud.{} = nullptr;".format(s), file=f)
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else:
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print(" ud.{} = {}();".format(s, t), file=f)
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print(" for (auto cell : module->cells()) {", file=f)
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2019-01-13 05:53:13 -06:00
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print(" for (auto &conn : cell->connections())", file=f)
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print(" add_siguser(conn.second, cell);", file=f)
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2019-01-13 10:03:58 -06:00
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print(" }", file=f)
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print(" for (auto cell : cells) {", file=f)
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2019-01-13 05:53:13 -06:00
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for index in range(len(blocks)):
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block = blocks[index]
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if block["type"] == "match":
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print(" do {", file=f)
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print(" Cell *{} = cell;".format(block["cell"]), file=f)
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for expr in block["select"]:
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print(" if (!({})) break;".format(expr), file=f)
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print(" index_{}_key_type key;".format(index), file=f)
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2019-01-13 10:03:58 -06:00
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for field, entry in enumerate(block["index"]):
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print(" std::get<{}>(key) = {};".format(field, entry[1]), file=f)
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2019-01-13 05:53:13 -06:00
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print(" index_{}[key].push_back(cell);".format(index), file=f)
|
|
|
|
print(" } while (0);", file=f)
|
|
|
|
|
|
|
|
print(" }", file=f)
|
|
|
|
print(" }", file=f)
|
2019-01-13 03:57:11 -06:00
|
|
|
print("", file=f)
|
2019-01-13 05:53:13 -06:00
|
|
|
|
2019-02-28 16:56:05 -06:00
|
|
|
print(" ~{}_pm() {{".format(pmname), file=f)
|
2019-02-17 08:35:48 -06:00
|
|
|
print(" for (auto cell : autoremove_cells)", file=f)
|
|
|
|
print(" module->remove(cell);", file=f)
|
|
|
|
print(" }", file=f)
|
|
|
|
print("", file=f)
|
|
|
|
|
|
|
|
print(" void run(std::function<void()> on_accept_f) {", file=f)
|
2019-01-13 03:57:11 -06:00
|
|
|
print(" on_accept = on_accept_f;", file=f)
|
2019-01-13 05:53:13 -06:00
|
|
|
print(" rollback = 0;", file=f)
|
2019-01-14 06:42:42 -06:00
|
|
|
print(" blacklist_dirty = false;", file=f)
|
2019-01-13 10:03:58 -06:00
|
|
|
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)
|
2019-01-13 05:53:13 -06:00
|
|
|
print(" block_0();", file=f)
|
2019-01-13 03:57:11 -06:00
|
|
|
print(" }", file=f)
|
2019-01-13 05:53:13 -06:00
|
|
|
print("", file=f)
|
|
|
|
|
2019-02-28 16:56:05 -06:00
|
|
|
print(" void run(std::function<void({}_pm&)> on_accept_f) {{".format(pmname), file=f)
|
2019-02-17 08:35:48 -06:00
|
|
|
print(" run([&](){on_accept_f(*this);});", file=f)
|
|
|
|
print(" }", file=f)
|
|
|
|
print("", file=f)
|
|
|
|
|
2019-01-13 03:57:11 -06:00
|
|
|
for index in range(len(blocks)):
|
|
|
|
block = blocks[index]
|
|
|
|
|
|
|
|
print(" void block_{}() {{".format(index), file=f)
|
|
|
|
|
|
|
|
const_st = set()
|
|
|
|
nonconst_st = set()
|
|
|
|
restore_st = set()
|
|
|
|
|
|
|
|
for i in range(index):
|
|
|
|
if blocks[i]["type"] == "code":
|
|
|
|
for s in blocks[i]["states"]:
|
|
|
|
const_st.add(s)
|
|
|
|
elif blocks[i]["type"] == "match":
|
|
|
|
const_st.add(blocks[i]["cell"])
|
|
|
|
else:
|
|
|
|
assert False
|
|
|
|
|
|
|
|
if block["type"] == "code":
|
|
|
|
for s in block["states"]:
|
|
|
|
if s in const_st:
|
|
|
|
const_st.remove(s)
|
|
|
|
restore_st.add(s)
|
|
|
|
nonconst_st.add(s)
|
|
|
|
elif block["type"] == "match":
|
|
|
|
s = block["cell"]
|
|
|
|
assert s not in const_st
|
|
|
|
nonconst_st.add(s)
|
|
|
|
else:
|
|
|
|
assert False
|
|
|
|
|
|
|
|
for s in sorted(const_st):
|
|
|
|
t = state_types[s]
|
|
|
|
if t.endswith("*"):
|
|
|
|
print(" {} const &{} YS_ATTRIBUTE(unused) = st.{};".format(t, s, s), file=f)
|
|
|
|
else:
|
|
|
|
print(" const {} &{} YS_ATTRIBUTE(unused) = st.{};".format(t, s, s), file=f)
|
|
|
|
|
|
|
|
for s in sorted(nonconst_st):
|
|
|
|
t = state_types[s]
|
|
|
|
print(" {} &{} YS_ATTRIBUTE(unused) = st.{};".format(t, s, s), file=f)
|
|
|
|
|
|
|
|
if len(restore_st):
|
|
|
|
print("", file=f)
|
|
|
|
for s in sorted(restore_st):
|
|
|
|
t = state_types[s]
|
2019-01-13 10:03:58 -06:00
|
|
|
print(" {} backup_{} = {};".format(t, s, s), file=f)
|
2019-01-13 03:57:11 -06:00
|
|
|
|
2019-01-13 05:53:13 -06:00
|
|
|
if block["type"] == "code":
|
2019-01-13 03:57:11 -06:00
|
|
|
print("", file=f)
|
2019-01-13 05:53:13 -06:00
|
|
|
print(" do {", file=f)
|
2019-01-14 06:29:27 -06:00
|
|
|
print("#define reject do { check_blacklist(); goto rollback_label; } while(0)", file=f)
|
|
|
|
print("#define accept do { on_accept(); check_blacklist(); if (rollback) goto rollback_label; } while(0)", file=f)
|
2019-01-14 06:42:42 -06:00
|
|
|
print("#define branch do {{ block_{}(); if (rollback) goto rollback_label; }} while(0)".format(index+1), file=f)
|
2019-01-14 06:29:27 -06:00
|
|
|
|
2019-01-13 05:53:13 -06:00
|
|
|
for line in block["code"]:
|
|
|
|
print(" " + line, file=f)
|
|
|
|
|
|
|
|
print("", file=f)
|
|
|
|
print(" block_{}();".format(index+1), file=f)
|
2019-01-14 06:29:27 -06:00
|
|
|
print("#undef reject", file=f)
|
|
|
|
print("#undef accept", file=f)
|
|
|
|
print("#undef branch", file=f)
|
2019-01-13 05:53:13 -06:00
|
|
|
print(" } while (0);", file=f)
|
2019-01-14 06:29:27 -06:00
|
|
|
print("", file=f)
|
|
|
|
print("rollback_label:", file=f)
|
|
|
|
print(" YS_ATTRIBUTE(unused);", file=f)
|
2019-01-13 05:53:13 -06:00
|
|
|
|
2019-01-13 10:03:58 -06:00
|
|
|
if len(restore_st) or len(nonconst_st):
|
2019-01-13 05:53:13 -06:00
|
|
|
print("", file=f)
|
|
|
|
for s in sorted(restore_st):
|
|
|
|
t = state_types[s]
|
2019-01-13 10:03:58 -06:00
|
|
|
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)
|
2019-01-13 05:53:13 -06:00
|
|
|
|
|
|
|
elif block["type"] == "match":
|
|
|
|
assert len(restore_st) == 0
|
|
|
|
|
2019-01-13 10:03:58 -06:00
|
|
|
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)
|
|
|
|
|
2019-01-13 05:53:13 -06:00
|
|
|
print("", file=f)
|
|
|
|
print(" index_{}_key_type key;".format(index), file=f)
|
2019-01-13 10:03:58 -06:00
|
|
|
for field, entry in enumerate(block["index"]):
|
|
|
|
print(" std::get<{}>(key) = {};".format(field, entry[2]), file=f)
|
2019-01-13 05:53:13 -06:00
|
|
|
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)
|
2019-01-14 06:42:42 -06:00
|
|
|
print(" if (blacklist_cells.count({})) continue;".format(block["cell"]), file=f)
|
2019-01-13 10:03:58 -06:00
|
|
|
for expr in block["filter"]:
|
|
|
|
print(" if (!({})) continue;".format(expr), file=f)
|
2019-01-13 05:53:13 -06:00
|
|
|
print(" block_{}();".format(index+1), file=f)
|
|
|
|
print(" if (rollback) {", file=f)
|
|
|
|
print(" if (rollback != {}) {{".format(index+1), file=f)
|
|
|
|
print(" {} = nullptr;".format(block["cell"]), file=f)
|
|
|
|
print(" return;", file=f)
|
|
|
|
print(" }", file=f)
|
|
|
|
print(" rollback = 0;", file=f)
|
|
|
|
print(" }", file=f)
|
|
|
|
print(" }", file=f)
|
|
|
|
|
|
|
|
print("", file=f)
|
|
|
|
print(" {} = nullptr;".format(block["cell"]), file=f)
|
|
|
|
|
|
|
|
if block["optional"]:
|
|
|
|
print(" block_{}();".format(index+1), file=f)
|
|
|
|
|
|
|
|
else:
|
|
|
|
assert False
|
|
|
|
|
2019-01-13 03:57:11 -06:00
|
|
|
|
|
|
|
print(" }", file=f)
|
2019-01-13 05:53:13 -06:00
|
|
|
print("", file=f)
|
|
|
|
|
|
|
|
print(" void block_{}() {{".format(len(blocks)), file=f)
|
2019-01-13 10:03:58 -06:00
|
|
|
print(" on_accept();", file=f)
|
2019-01-13 05:53:13 -06:00
|
|
|
print(" check_blacklist();", file=f)
|
|
|
|
print(" }", file=f)
|
|
|
|
print("};", file=f)
|
|
|
|
|
|
|
|
print("", file=f)
|
|
|
|
print("YOSYS_NAMESPACE_END", file=f)
|
2019-01-13 03:57:11 -06:00
|
|
|
|
2019-01-13 05:53:13 -06:00
|
|
|
# pp.pprint(blocks)
|