Stefan Holst
1 year ago
1 changed files with 285 additions and 0 deletions
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from collections import defaultdict |
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from lark import Lark, Transformer, Tree |
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from kyupy import readtext |
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class DefNet: |
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def __init__(self, name): |
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self.name = name |
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self.pins = [] |
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@property |
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def wires(self): |
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ww = defaultdict(list) |
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[ww[dw.layer].append((int(dw.width), dw.wire_points)) for dw in self.routed if len(dw.wire_points) > 0] |
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return ww |
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@property |
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def vias(self): |
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vv = defaultdict(list) |
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[vv[vtype].extend(locs) for dw in self.routed for vtype, locs in dw.vias.items()] |
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return vv |
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class DefWire: |
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def __init__(self): |
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self.layer = None |
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self.width = None |
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self.points = [] |
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@property |
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def wire_points(self): |
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start = [self.points[0]] |
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rest = [p for p in self.points[1:] if not isinstance(p[0], str)] # skip over vias |
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return start + rest if len(rest) > 0 else [] |
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@property |
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def vias(self): |
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vv = defaultdict(list) |
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loc = self.points[0] |
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for p in self.points[1:]: |
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if not isinstance(p[0], str): # new location |
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loc = (loc[0] if p[0] is None else p[0], loc[1] if p[1] is None else p[1]) # if None, keep previous value |
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continue |
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vtype, param = p |
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if isinstance(param, tuple): # expand "DO x BY y STEP xs ys" |
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x_cnt, y_cnt, x_sp, y_sp = param |
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[vv[vtype].append((loc[0] + x*x_sp, loc[1] + y*y_sp, 'N')) for x in range(x_cnt) for y in range(y_cnt)] |
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else: |
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vv[vtype].append((loc[0], loc[1], param or 'N')) |
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return vv |
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def __repr__(self): |
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return f'<DefWire {self.layer} {self.width} {self.points}>' |
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class DefVia: |
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def __init__(self, name): |
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self.name = name |
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self.rowcol = [1, 1] |
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self.cutspacing = [0, 0] |
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class DefPin: |
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def __init__(self, name): |
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self.name = name |
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self.points = [] |
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class DefFile: |
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def __init__(self): |
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self.rows = [] |
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self.tracks = [] |
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self.units = [] |
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self.vias = {} |
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self.components = {} |
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self.pins = {} |
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self.specialnets = {} |
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self.nets = {} |
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class DefTransformer(Transformer): |
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def __init__(self): self.def_file = DefFile() |
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def start(self, args): return self.def_file |
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def design(self, args): self.def_file.design = args[0].value |
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def point(self, args): return tuple(int(arg.value) if arg != '*' else None for arg in args) |
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def do_step(self, args): return tuple(map(int, args)) |
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def spnet_wires(self, args): return args[0].lower(), args[1:] |
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def net_wires(self, args): return args[0].lower(), args[1:] |
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def sppoints(self, args): return args |
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def points(self, args): return args |
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def net_pin(self, args): return '__pin__', (args[0].value, args[1].value) |
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def net_opt(self, args): return args[0].lower(), args[1].value |
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def file_stmt(self, args): |
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value = args[1].value |
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value = value[1:-1] if value[0] == '"' else value |
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setattr(self.def_file, args[0].lower(), value) |
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def design_stmt(self, args): |
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stmt = args[0].lower() |
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if stmt == 'units': self.def_file.units.append((args[1].value, args[2].value, int(args[3]))) |
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elif stmt == 'diearea': self.def_file.diearea = args[1:] |
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elif stmt == 'row': |
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self.def_file.rows.append((args[1].value, # rowName |
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args[2].value, # siteName |
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(int(args[3]), int(args[4])), # origin x/y |
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args[5].value, # orientation |
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max(args[6][0], args[6][1]), # number of sites |
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max(args[6][2], args[6][3]) # site width |
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)) |
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elif stmt == 'tracks': |
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self.def_file.tracks.append((args[1].value, # orientation |
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int(args[2]), # start |
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int(args[3]), # number of tracks |
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int(args[4]), # spacing |
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args[5].value # layer |
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)) |
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def vias_stmt(self, args): |
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via = DefVia(args[0].value) |
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[setattr(via, opt, val) for opt, val in args[1:]] |
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self.def_file.vias[via.name] = via |
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def vias_opt(self, args): |
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opt = args[0].lower() |
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if opt in ['viarule', 'pattern']: val = args[1].value |
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elif opt in ['layers']: val = [arg.value for arg in args[1:]] |
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else: val = [int(arg) for arg in args[1:]] |
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return opt, val |
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def comp_stmt(self, args): |
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name = args[0].value |
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kind = args[1].value |
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point = args[2] |
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orientation = args[3].value |
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self.def_file.components[name] = (kind, point, orientation) |
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def pins_stmt(self, args): |
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pin = DefPin(args[0].value) |
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[pin.points.append(val) if opt == 'placed' else setattr(pin, opt, val) for opt, val in args[1:]] |
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self.def_file.pins[pin.name] = pin |
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def pins_opt(self, args): |
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opt = args[0].lower() |
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if opt in ['net', 'direction', 'use']: val = args[1].value |
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elif opt in ['layer']: val = [args[1].value] + args[2:] |
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elif opt in ['placed']: val = (args[1][0], args[1][1], args[2].value) |
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else: val = [] |
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return opt, val |
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def spnets_stmt(self, args): |
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dnet = DefNet(args[0].value) |
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for arg in args[1:]: |
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if arg[0] == '__pin__': dnet.pins.append(arg[1]) |
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else: setattr(dnet, arg[0], arg[1]) |
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self.def_file.specialnets[dnet.name] = dnet |
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def nets_stmt(self, args): |
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dnet = DefNet(args[0].value) |
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for arg in args[1:]: |
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if arg[0] == '__pin__': dnet.pins.append(arg[1]) |
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else: setattr(dnet, arg[0], arg[1]) |
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self.def_file.nets[dnet.name] = dnet |
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def spwire(self, args): |
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wire = DefWire() |
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wire.layer = args[0].value |
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wire.width = args[1].value |
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wire.points = args[-1] |
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return wire |
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def wire(self, args): |
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wire = DefWire() |
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wire.layer = args[0].value |
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wire.points = args[-1] |
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return wire |
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def sppoints_via(self, args): |
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if len(args) == 1: return args[0].value, None |
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else: return args[0].value, args[1] |
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def points_via(self, args): |
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if len(args) == 1: return args[0].value, 'N' |
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else: return args[0].value, args[1].value.strip() |
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GRAMMAR = r""" |
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start: /#[^\n]*/? file_stmt* |
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?file_stmt: /VERSION/ ID ";" |
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| /DIVIDERCHAR/ STRING ";" |
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| /BUSBITCHARS/ STRING ";" |
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| design |
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design: "DESIGN" ID ";" design_stmt* "END" "DESIGN" |
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?design_stmt: /UNITS/ ID ID NUMBER ";" |
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| /DIEAREA/ point+ ";" |
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| /ROW/ ID ID NUMBER NUMBER ID do_step ";" |
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| /TRACKS/ /[XY]/ NUMBER "DO" NUMBER "STEP" NUMBER "LAYER" ID ";" |
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| propdef | vias | nondef | comp | pins | pinprop | spnets | nets |
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propdef: "PROPERTYDEFINITIONS" propdef_stmt* "END" "PROPERTYDEFINITIONS" |
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propdef_stmt: /COMPONENTPIN/ ID ID ";" |
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vias: "VIAS" NUMBER ";" vias_stmt* "END" "VIAS" |
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vias_stmt: "-" ID vias_opt* ";" |
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vias_opt: "+" /VIARULE/ ID |
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| "+" /CUTSIZE/ NUMBER NUMBER |
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| "+" /LAYERS/ ID ID ID |
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| "+" /CUTSPACING/ NUMBER NUMBER |
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| "+" /ENCLOSURE/ NUMBER NUMBER NUMBER NUMBER |
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| "+" /ROWCOL/ NUMBER NUMBER |
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| "+" /PATTERN/ ID |
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nondef: "NONDEFAULTRULES" NUMBER ";" nondef_stmt+ "END" "NONDEFAULTRULES" |
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nondef_stmt: "-" ID ( "+" /HARDSPACING/ |
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| "+" /LAYER/ ID "WIDTH" NUMBER "SPACING" NUMBER |
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| "+" /VIA/ ID )* ";" |
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comp: "COMPONENTS" NUMBER ";" comp_stmt* "END" "COMPONENTS" |
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comp_stmt: "-" ID ID "+" "PLACED" point ID ";" |
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pins: "PINS" NUMBER ";" pins_stmt* "END" "PINS" |
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pins_stmt: "-" ID pins_opt* ";" |
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pins_opt: "+" /NET/ ID |
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| "+" /SPECIAL/ |
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| "+" /DIRECTION/ ID |
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| "+" /USE/ ID |
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| "+" /PORT/ |
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| "+" /LAYER/ ID point point |
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| "+" /PLACED/ point ID |
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pinprop: "PINPROPERTIES" NUMBER ";" pinprop_stmt* "END" "PINPROPERTIES" |
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pinprop_stmt: "-" "PIN" ID "+" "PROPERTY" ID STRING ";" |
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spnets: "SPECIALNETS" NUMBER ";" spnets_stmt* "END" "SPECIALNETS" |
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spnets_stmt: "-" ID ( net_pin | net_opt | spnet_wires )* ";" |
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spnet_wires: "+" ( /COVER/ | /FIXED/ | /ROUTED/ ) spwire ( "NEW" spwire )* |
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spwire: ID NUMBER spwire_opt* sppoints |
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spwire_opt: "+" /SHAPE/ ID |
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| "+" /STYLE/ ID |
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sppoints: point ( point | sppoints_via )+ |
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sppoints_via: ID do_step? |
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nets: "NETS" NUMBER ";" nets_stmt* "END" "NETS" |
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nets_stmt: "-" ID ( net_pin | net_opt | net_wires )* ";" |
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net_pin: "(" ID ID ")" |
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net_opt: "+" /USE/ ID |
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| "+" /NONDEFAULTRULE/ ID |
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net_wires: "+" ( /COVER/ | /FIXED/ | /ROUTED/ | /NOSHIELD/ ) wire ( "NEW" wire )* |
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wire: ID wire_opt points |
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wire_opt: ( "TAPER" | "TAPERRULE" ID )? ("STYLE" ID)? |
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points: point ( point | points_via )+ |
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points_via: ID ORIENTATION? |
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point: "(" (NUMBER|/\*/) (NUMBER|/\*/) NUMBER? ")" |
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do_step: "DO" NUMBER "BY" NUMBER "STEP" (NUMBER|SIGNED_NUMBER) (NUMBER|SIGNED_NUMBER) |
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ORIENTATION.2: /F?[NWES]/ WS |
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ID: /[^ \t\f\r\n+][^ \t\f\r\n]*/ |
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STRING : "\"" /.*?/s /(?<!\\)(\\\\)*?/ "\"" |
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WS: /[ \t\f\r\n]/ |
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%import common.NUMBER |
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%import common.SIGNED_NUMBER |
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%ignore WS (/#[^\n]*/)? |
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""" |
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def parse(text): |
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return Lark(GRAMMAR, parser="lalr", transformer=DefTransformer()).parse(text) |
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def load(file): |
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return parse(readtext(file)) |
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