diff options
Diffstat (limited to 'gerbonara/gerber/panelize/am_expression.py')
| -rw-r--r-- | gerbonara/gerber/panelize/am_expression.py | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/gerbonara/gerber/panelize/am_expression.py b/gerbonara/gerber/panelize/am_expression.py deleted file mode 100644 index a0a4114..0000000 --- a/gerbonara/gerber/panelize/am_expression.py +++ /dev/null @@ -1,219 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- - -# Copyright 2019 Hiroshi Murayama <opiopan@gmail.com> - -import operator - -from ..utils import * -from ..am_eval import OpCode -from ..am_statements import * - -class AMExpression(object): - CONSTANT = 1 - VARIABLE = 2 - OPERATOR = 3 - - def __init__(self, kind): - self.kind = kind - - @property - def value(self): - return self - - def optimize(self): - return self - - def to_inch(self): - return AMOperatorExpression.div(self, MILLIMETERS_PER_INCH) - - def to_metric(self): - return AMOperatorExpression.mul(self, MILLIMETERS_PER_INCH) - - #def to_gerber(self, settings=None): - # pass - - #def to_instructions(self): - # pass - -class AMConstantExpression(AMExpression): - def __init__(self, value): - super(AMConstantExpression, self).__init__(AMExpression.CONSTANT) - self._value = value - - @property - def value(self): - return self._value - - def __float__(self): - return float(self._value) - - @staticmethod - def _amex_val(other): - return float(other) if isinstance(other, AMConstantExpression) else other - - def __eq__(self, val): - return self._value == AMConstantExpression._amex_val(val) - - def __ne__(self, val): - return self._value != AMConstantExpression._amex_val(val) - - def __lt__(self, val): - return self._value < AMConstantExpression._amex_val(val) - - def __gt__(self, val): - return self._value > AMConstantExpression._amex_val(val) - - def __le__(self, val): - return self._value <= AMConstantExpression._amex_val(val) - - def __ge__(self, val): - return self._value >= AMConstantExpression._amex_val(val) - - def to_gerber(self, settings=None): - if isinstance(self._value, str): - return self._value - return f'{self.value:.6f}'.rstrip('0').rstrip('.') - - def to_instructions(self): - return [(OpCode.PUSH, self._value)] - -class AMVariableExpression(AMExpression): - def __init__(self, number): - super(AMVariableExpression, self).__init__(AMExpression.VARIABLE) - self.number = number - - def to_gerber(self, settings=None): - return f'${self.number}' - - def to_instructions(self): - return (OpCode.LOAD, self.number) - -class AMOperatorExpression(AMExpression): - def __init__(self, op, lvalue, rvalue): - super(AMOperatorExpression, self).__init__(AMExpression.OPERATOR) - self.op = op - self.lvalue = AMConstantExpression(lvalue) if isinstance(lvalue, (int, float)) else lvalue - self.rvalue = AMConstantExpression(rvalue) if isinstance(rvalue, (int, float)) else rvalue - - @classmethod - def add(kls, lvalue, rvalue): - return kls(operator.add, lvalue, rvalue) - - @classmethod - def sub(kls, lvalue, rvalue): - return kls(operator.sub, lvalue, rvalue) - - @classmethod - def mul(kls, lvalue, rvalue): - return kls(operator.mul, lvalue, rvalue) - - @classmethod - def div(kls, lvalue, rvalue): - return kls(operator.truediv, lvalue, rvalue) - - def optimize(self): - l = self.lvalue = self.lvalue.optimize() - r = self.rvalue = self.rvalue.optimize() - - if isinstance(l, AMConstantExpression) and isinstance(r, AMConstantExpression): - return AMConstantExpression(self.op(float(r), float(l))) - - elif self.op == operator.ADD: - if r == 0: - return l - elif l == 0: - return r - - elif self.op == operator.SUB: - if r == 0: - return l - elif l == 0 and isinstance(r, AMConstantExpression): - return AMConstantExpression(-float(r)) - - elif self.op == operator.MUL: - if r == 1: - return l - elif l == 1: - return r - elif l == 0 or r == 0: - return AMConstantExpression(0) - - elif self.op == operator.TRUEDIV: - if r == 1: - return self.lvalue - elif l == 0: - return AMConstantExpression(0) - - return self - - def to_gerber(self, settings=None): - lval = self.lvalue.to_gerber(settings) - rval = self.rvalue.to_gerber(settings)) - op = {AMOperatorExpression.ADD: '+', - AMOperatorExpression.SUB: '-', - AMOperatorExpression.MUL: 'x', - AMOperatorExpression.DIV: '/'} [self.op] - return '(' + lval + op + rval + ')' - - def to_instructions(self): - for i in self.lvalue.to_instructions(): - yield i - - for i in self.rvalue.to_instructions(): - yield i - - op = {AMOperatorExpression.ADD: OpCode.ADD, - AMOperatorExpression.SUB: OpCode.SUB, - AMOperatorExpression.MUL: OpCode.MUL, - AMOperatorExpression.DIV: OpCode.DIV} [self.op] - yield (op, None) - -def eval_macro(instructions): - stack = [] - - def pop(): - return stack.pop() - - def push(op): - stack.append(op) - - def top(): - return stack[-1] - - def empty(): - return len(stack) == 0 - - for opcode, argument in instructions: - if opcode == OpCode.PUSH: - push(AMConstantExpression(argument)) - - elif opcode == OpCode.LOAD: - push(AMVariableExpression(argument)) - - elif opcode == OpCode.STORE: - yield (-argument, [pop()]) - - elif opcode == OpCode.ADD: - op1 = pop() - op2 = pop() - push(AMOperatorExpression(AMOperatorExpression.ADD, op2, op1)) - - elif opcode == OpCode.SUB: - op1 = pop() - op2 = pop() - push(AMOperatorExpression(AMOperatorExpression.SUB, op2, op1)) - - elif opcode == OpCode.MUL: - op1 = pop() - op2 = pop() - push(AMOperatorExpression(AMOperatorExpression.MUL, op2, op1)) - - elif opcode == OpCode.DIV: - op1 = pop() - op2 = pop() - push(AMOperatorExpression(AMOperatorExpression.DIV, op2, op1)) - - elif opcode == OpCode.PRIM: - yield (argument, stack) - stack = [] |