summaryrefslogtreecommitdiffstats
path: root/awlsim/fupcompiler/fupcompiler_elem.py
blob: e55aac09cf2d3244aa11a735922d4b134146f088 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
# -*- coding: utf-8 -*-
#
# AWL simulator - FUP compiler - Element
#
# Copyright 2016-2017 Michael Buesch <m@bues.ch>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#

from __future__ import division, absolute_import, print_function, unicode_literals
from awlsim.common.compat import *

from awlsim.common.xmlfactory import *
from awlsim.common.util import *

from awlsim.fupcompiler.fupcompiler_base import *
from awlsim.fupcompiler.fupcompiler_conn import *

from awlsim.awlcompiler.optrans import *

#from awlsim.core.instructions.all_insns cimport * #@cy
from awlsim.core.instructions.all_insns import * #@nocy


class FupCompiler_ElemFactory(XmlFactory):
	def parser_open(self, tag=None):
		self.inElem = False
		self.elem = None
		XmlFactory.parser_open(self, tag)

	def parser_beginTag(self, tag):
		if self.inElem:
			if self.elem and tag.name == "connections":
				self.parser_switchTo(FupCompiler_Conn.factory(elem=self.elem))
				return
		else:
			if tag.name == "element":
				self.inElem = True
				x = tag.getAttrInt("x")
				y = tag.getAttrInt("y")
				elemType = tag.getAttr("type")
				subType = tag.getAttr("subtype", None)
				content = tag.getAttr("content", None)
				self.elem = FupCompiler_Elem.parse(self.grid,
					x, y, elemType, subType, content)
				if not self.elem:
					raise self.Error("Failed to parse element")
				return
		XmlFactory.parser_beginTag(self, tag)

	def parser_endTag(self, tag):
		if self.inElem:
			if tag.name == "element":
				if self.elem:
					self.grid.addElem(self.elem)
				self.inElem = False
				self.elem = None
				return
		else:
			if tag.name == "elements":
				self.parser_finish()
				return
		XmlFactory.parser_endTag(self, tag)

class FupCompiler_Elem(FupCompiler_BaseObj):
	factory = FupCompiler_ElemFactory

	EnumGen.start
	TYPE_BOOLEAN		= EnumGen.item
	TYPE_OPERAND		= EnumGen.item
	EnumGen.end

	str2type = {
		"boolean"	: TYPE_BOOLEAN,
		"operand"	: TYPE_OPERAND,
	}

	@classmethod
	def sorted(cls, elems):
		"""Sort all elements from 'elems' sequence in ascending order by Y position.
		The Y position in the diagram is the basic evaluation order.
		Also sort by X position as a secondary key.
		The sorted list is returned.
		"""
		elems = tuple(elems)
		try:
			yShift = max(e.x for e in elems).bit_length()
		except ValueError:
			return []
		return sorted(elems,
			      key=lambda e: (e.y << yShift) + e.x)

	@classmethod
	def parse(cls, grid, x, y, elemType, subType, content):
		from awlsim.fupcompiler.fupcompiler_elembool import FupCompiler_ElemBool
		from awlsim.fupcompiler.fupcompiler_elemoper import FupCompiler_ElemOper
		try:
			elemType = cls.str2type[elemType]
			if elemType == cls.TYPE_BOOLEAN:
				return FupCompiler_ElemBool.parse(grid=grid,
								  x=x, y=y,
								  subType=subType,
								  content=content)
			elif elemType == cls.TYPE_OPERAND:
				return FupCompiler_ElemOper.parse(grid=grid,
								  x=x, y=y,
								  subType=subType,
								  content=content)
		except KeyError:
			pass
		return None

	def __init__(self, grid, x, y, elemType, subType, content):
		FupCompiler_BaseObj.__init__(self)
		self.grid = grid			# FupCompiler_Grid
		self.x = x				# X coordinate
		self.y = y				# Y coordinate
		self.elemType = elemType		# TYPE_...
		self.subType = subType			# SUBTYPE_... or None
		self.content = content or ""		# content string
		self.connections = set()		# FupCompiler_Conn

		# If this field has already been compiled and the result is
		# stored in a temp-field, this is the name of that field.
		self.__resultVkeVarName = None

	@property
	def opTrans(self):
		return self.grid.compiler.opTrans

	def addConn(self, conn):
		self.connections.add(conn)
		return True

	@property
	def inConnections(self):
		"""Get all input connections.
		"""
		for conn in self.connections:
			if conn.dirIn:
				yield conn

	@property
	def outConnections(self):
		"""Get all output connections.
		"""
		for conn in self.connections:
			if conn.dirOut:
				yield conn

	def _mayStoreToTemp(self):
		insns = []

		# Check if we need to save the result
		# for other element inputs.
		# This is the case, if we have more than one input connection
		# to 'otherElem's output connection.
		if any(len(tuple(c.getConnected(getInputs=True))) > 1
		       for c in self.outConnections):
			varName = self.grid.compiler.interf.allocTEMP("BOOL")
			opDesc = self.opTrans.translateFromString("#" + varName)
			insns.append(AwlInsn_ASSIGN(cpu=None,
						    ops=[opDesc.operator]))
			self.__resultVkeVarName = varName

		return insns

	def _loadFromTemp(self, insnClass):
		insns = []

		# otherElem has already been compiled and the result has
		# been stored in TEMP. Use the stored result.
		assert(self.compileState != self.NOT_COMPILED)
		varName = self.__resultVkeVarName
		if not varName:
			raise AwlSimError("FUP compiler: Result of a "
				"compiled element has not been stored "
				"to a TEMP variable.")
		opDesc = self.opTrans.translateFromString("#" + varName)
		insns.append(insnClass(cpu=None, ops=[opDesc.operator]))

		return insns

	def _doCompile(self):
		raise NotImplementedError

	def compile(self):
		self.compileState = self.COMPILE_RUNNING
		result = self._doCompile()
		self.compileState = self.COMPILE_DONE
		return result

	def __repr__(self):
		return "FupCompiler_Elem(grid, x=%d, y=%d, elemType=%d, "\
			"subType=%d, content=%s)" % (
			self.x, self.y, self.elemType, self.subType, self.content)
bues.ch cgit interface