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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2019 Hiroshi Murayama <opiopan@gmail.com>
from dataclasses import dataclass, fields
from .utils import *
from .am_statements import *
from .am_expression import *
from .am_opcode import OpCode
class Primitive:
def __init__(self, unit, args):
self.unit = unit
if len(args) > len(type(self).__annotations__):
raise ValueError(f'Too many arguments ({len(args)}) for aperture macro primitive {self.code} ({type(self)})')
for arg, (name, fieldtype) in zip(args, type(self).__annotations__.items()):
if fieldtype == UnitExpression:
setattr(self, name, UnitExpression(arg, unit))
else:
setattr(self, name, arg)
for name, _type in type(self).__annotations__.items():
if not hasattr(self, name):
raise ValueError(f'Too few arguments ({len(args)}) for aperture macro primitive {self.code} ({type(self)})')
def to_gerber(self, unit=None):
return self.code + ',' + ','.join(
getattr(self, name).to_gerber(unit) for name, _type in type(self).__annotations__.items()) + '*'
class CommentPrimitive(Primitive):
code = 0
comment : str
class CirclePrimitive(Primitive):
code = 1
exposure : Expression
diameter : UnitExpression
center_x : UnitExpression
center_y : UnitExpression
rotation : Expression = ConstantExpression(0.0)
class VectorLinePrimitive(Primitive):
code = 20
exposure : Expression
width : UnitExpression
start_x : UnitExpression
start_y : UnitExpression
end_x : UnitExpression
end_y : UnitExpression
rotation : Expression
class CenterLinePrimitive(Primitive):
code = 21
exposure : Expression
width : UnitExpression
height : UnitExpression
x : UnitExpression
y : UnitExpression
rotation : Expression
class PolygonPrimitive(Primitive):
code = 5
exposure : Expression
n_vertices : Expression
center_x : UnitExpression
center_y : UnitExpression
diameter : UnitExpression
rotation : Expression
class ThermalPrimitive(Primitive):
code = 7
center_x : UnitExpression
center_y : UnitExpression
d_outer : UnitExpression
d_inner : UnitExpression
gap_w : UnitExpression
rotation : Expression
class OutlinePrimitive(Primitive):
code = 4
def __init__(self, code, unit, args):
if len(args) < 11:
raise ValueError(f'Invalid aperture macro outline primitive, not enough parameters ({len(args)}).')
if len(args) > 5004:
raise ValueError(f'Invalid aperture macro outline primitive, too many points ({len(args)//2-2}).')
self.exposure = args[0]
if args[1] != len(args)//2 - 2:
raise ValueError(f'Invalid aperture macro outline primitive, given size does not match length of coordinate list({len(args)}).')
if len(args) % 1 != 1:
self.rotation = args.pop()
else:
self.rotation = ConstantExpression(0.0)
if args[2] != args[-2] or args[3] != args[-1]:
raise ValueError(f'Invalid aperture macro outline primitive, polygon is not closed {args[2:4], args[-3:-1]}')
self.coords = [UnitExpression(arg, unit) for arg in args[1:]]
def to_gerber(self, unit=None):
coords = ','.join(coord.to_gerber(unit) for coord in self.coords)
return f'{self.code},{self.exposure.to_gerber()},{len(self.coords)//2-1},{coords},{self.rotation.to_gerber()}'
class VariableDef(object):
def __init__(self, number, value):
self.number = number
self.value = value
def to_gerber(self, _unit=None):
return '$%d=%s*' % (self.number, self.value.to_gerber(settings))
PRIMITIVE_CLASSES = {
**{cls.code: cls for cls in [
CommentPrimitive,
CirclePrimitive,
VectorLinePrimitive,
CenterLinePrimitive,
OutlinePrimitive,
PolygonPrimitive,
ThermalPrimitive,
],
# alternative codes
2: VectorLinePrimitive,
}
def eval_macro(instructions, unit):
stack = []
for opcode, argument in instructions:
if opcode == OpCode.PUSH:
stack.append(ConstantExpression(argument))
elif opcode == OpCode.LOAD:
stack.append(VariableExpression(argument))
elif opcode == OpCode.STORE:
yield VariableDef(code, stack.pop())
elif opcode == OpCode.ADD:
op1 = stack.pop()
op2 = stack.pop()
stack.append(OperatorExpression(OperatorExpression.ADD, op2, op1))
elif opcode == OpCode.SUB:
op1 = stack.pop()
op2 = stack.pop()
stack.append(OperatorExpression(OperatorExpression.SUB, op2, op1))
elif opcode == OpCode.MUL:
op1 = stack.pop()
op2 = stack.pop()
stack.append(OperatorExpression(OperatorExpression.MUL, op2, op1))
elif opcode == OpCode.DIV:
op1 = stack.pop()
op2 = stack.pop()
stack.append(OperatorExpression(OperatorExpression.DIV, op2, op1))
elif opcode == OpCode.PRIM:
yield PRIMITIVE_CLASSES[argument](unit=unit, args=stack)
stack = []
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