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#!/usr/bin/env python

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# -*- coding: utf-8 -*-

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import string, os, sys

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#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor

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#based on the plcopen standard. 

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#

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#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

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#

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#See COPYING file for copyrights details.

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#

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#This library is free software; you can redistribute it and/or

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#modify it under the terms of the GNU General Public

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#License as published by the Free Software Foundation; either

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#version 2.1 of the License, or (at your option) any later version.

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#

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#This library is distributed in the hope that it will be useful,

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#but WITHOUT ANY WARRANTY; without even the implied warranty of

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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

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#General Public License for more details.

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#

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#You should have received a copy of the GNU General Public

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#License along with this library; if not, write to the Free Software

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#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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LANGUAGES = ["IL","ST","FBD","LD","SFC"]

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    30

LOCATIONDATATYPES = {"X" : ["BOOL"],

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                     "B" : ["SINT", "USINT", "BYTE", "STRING"],

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                     "W" : ["INT", "UINT", "WORD", "WSTRING"],

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                     "D" : ["DINT", "UDINT", "REAL", "DWORD"],

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                     "L" : ["LINT", "ULINT", "LREAL", "LWORD"]} 

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    36

# Helper for emulate join on element list

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def JoinList(separator, list):

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    return reduce(lambda x, y: x + separator + y, list)

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def generate_block(generator, block, body, link, order=False):

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    body_type = body.getcontent()["name"]

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    name = block.getinstanceName()

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    type = block.gettypeName()

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    executionOrderId = block.getexecutionOrderId()

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    block_infos = generator.GetBlockType(type)

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    if block_infos["type"] == "function":

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        output_variable = block.outputVariables.getvariable()[0]

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        output_name = "%s%d_OUT"%(type, block.getlocalId())

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        output_info = (generator.TagName, "block", block.getlocalId(), "output", 0)

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        if not generator.ComputedBlocks.get(block, False) and not order:

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            generator.ComputedBlocks[block] = True

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            if generator.Interface[-1][0] != "VAR" or generator.Interface[-1][1] or generator.Interface[-1][2] or generator.Interface[-1][3]:

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                generator.Interface.append(("VAR", False, False, False, []))

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            if output_variable.connectionPointOut in generator.ConnectionTypes:

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                generator.Interface[-1][4].append((generator.ConnectionTypes[output_variable.connectionPointOut], output_name, None, None))

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            else:

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                generator.Interface[-1][4].append(("ANY", output_name, None, None))

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            vars = []

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            for i, variable in enumerate(block.inputVariables.getvariable()):

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                input_info = (generator.TagName, "block", block.getlocalId(), "input", i)

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                connections = variable.connectionPointIn.getconnections()

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                if connections is not None:

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                    value = generator.ComputeExpression(body, connections, executionOrderId > 0)

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                    vars.append(generator.ExtractModifier(variable, value, input_info))

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            generator.Program += [(generator.CurrentIndent, ()),

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                                  (output_name, output_info),

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                                  (" := ", ()),

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                                  (type, (generator.TagName, "block", block.getlocalId(), "type")),

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                                  ("(", ())]

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            generator.Program += JoinList([(", ", ())], vars)

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            generator.Program += [(");\n", ())]

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        return generator.ExtractModifier(output_variable, [(output_name, output_info)], output_info)

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    elif block_infos["type"] == "functionBlock":

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        if not generator.ComputedBlocks.get(block, False) and not order:

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            generator.ComputedBlocks[block] = True

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            vars = []

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            for i, variable in enumerate(block.inputVariables.getvariable()):

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                input_info = (generator.TagName, "block", block.getlocalId(), "input", i)

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                connections = variable.connectionPointIn.getconnections()

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                if connections is not None:

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                    parameter = variable.getformalParameter()

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                    value = generator.ComputeExpression(body, connections, executionOrderId > 0)

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                    vars.append([(parameter, input_info),

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                                 (" := ", ())] + generator.ExtractModifier(variable, value, input_info))

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            generator.Program += [(generator.CurrentIndent, ()), 

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                                  (name, (generator.TagName, "block", block.getlocalId(), "name")),

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                                  ("(", ())]

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            generator.Program += JoinList([(", ", ())], vars)

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            generator.Program += [(");\n", ())]

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        if link:

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            connectionPoint = link.getposition()[-1]

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        else:

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            connectionPoint = None

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        for i, variable in enumerate(block.outputVariables.getvariable()):

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            blockPointx, blockPointy = variable.connectionPointOut.getrelPositionXY()

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            output_info = (generator.TagName, "block", block.getlocalId(), "output", i)

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            if not connectionPoint or block.getx() + blockPointx == connectionPoint.getx() and block.gety() + blockPointy == connectionPoint.gety():

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                return generator.ExtractModifier(variable, [("%s.%s"%(name, variable.getformalParameter()), output_info)], output_info)

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        raise ValueError, "No output variable found"

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def initialise_block(type, name, block = None):

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    return [(type, name, None, None)]

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#-------------------------------------------------------------------------------

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#                        Function Block Types definitions

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#-------------------------------------------------------------------------------

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"""

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Ordored list of common Function Blocks defined in the IEC 61131-3

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Each block have this attributes:

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    - "name" : The block name

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    - "type" : The block type. It can be "function", "functionBlock" or "program"

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    - "extensible" : Boolean that define if the block is extensible

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    - "inputs" : List of the block inputs

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    - "outputs" : List of the block outputs

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    - "comment" : Comment that will be displayed in the block popup

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    - "generate" : Method that generator will call for generating ST block code

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Inputs and outputs are a tuple of characteristics that are in order:

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    - The name

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    - The data type

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    - The default modifier which can be "none", "negated", "rising" or "falling"

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"""

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BlockTypes = [{"name" : "Standard function blocks", "list":

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               [{"name" : "SR", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("S1","BOOL","none"),("R","BOOL","none")], 

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                    "outputs" : [("Q1","BOOL","none")],

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                    "comment" : "SR bistable\nThe SR bistable is a latch where the Set dominates.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "RS", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("S","BOOL","none"),("R1","BOOL","none")], 

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                    "outputs" : [("Q1","BOOL","none")],

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                    "comment" : "RS bistable\nThe RS bistable is a latch where the Reset dominates.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "SEMA", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("CLAIM","BOOL","none"),("RELEASE","BOOL","none")], 

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                    "outputs" : [("BUSY","BOOL","none")],

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                    "comment" : "Semaphore\nThe semaphore provides a mechanism to allow software elements mutually exclusive access to certain ressources.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "R_TRIG", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("CLK","BOOL","none")], 

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                    "outputs" : [("Q","BOOL","none")],

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                    "comment" : "Rising edge detector\nThe output produces a single pulse when a rising edge is detected.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "F_TRIG", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("CLK","BOOL","none")], 

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                    "outputs" : [("Q","BOOL","none")],

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                    "comment" : "Falling edge detector\nThe output produces a single pulse when a falling edge is detected.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "CTU", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("CU","BOOL","rising"),("R","BOOL","none"),("PV","INT","none")], 

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                    "outputs" : [("Q","BOOL","none"),("CV","INT","none")],

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                    "comment" : "Up-counter\nThe up-counter can be used to signal when a count has reached a maximum value.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "CTD", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("CD","BOOL","rising"),("LD","BOOL","none"),("PV","INT","none")], 

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                    "outputs" : [("Q","BOOL","none"),("CV","INT","none")],

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                    "comment" : "Down-counter\nThe down-counter can be used to signal when a count has reached zero, on counting down from a preset value.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "CTUD", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("CU","BOOL","rising"),("CD","BOOL","rising"),("R","BOOL","none"),("LD","BOOL","none"),("PV","INT","none")], 

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                    "outputs" : [("QU","BOOL","none"),("QD","BOOL","none"),("CV","INT","none")],

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                    "comment" : "Up-down counter\nThe up-down counter has two inputs CU and CD. It can be used to both count up on one input ans down on the other.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "TP", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("IN","BOOL","none"),("PT","TIME","none")], 

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                    "outputs" : [("Q","BOOL","none"),("ET","TIME","none")],

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                    "comment" : "Pulse timer\nThe pulse timer can be used to generate output pulses of a given time duration.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "TON", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("IN","BOOL","none"),("PT","TIME","none")], 

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                    "outputs" : [("Q","BOOL","none"),("ET","TIME","none")],

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                    "comment" : "On-delay timer\nThe on-delay timer can be used to delay setting an output true, for fixed period after an input becomes true.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "TOF", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("IN","BOOL","none"),("PT","TIME","none")], 

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                    "outputs" : [("Q","BOOL","none"),("ET","TIME","none")],

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                    "comment" : "Off-delay timer\nThe off-delay timer can be used to delay setting an output false, for fixed period after input goes false.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "RTC", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("EN","BOOL","none"),("PDT","DATE_AND_TIME","none")], 

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                    "outputs" : [("Q","BOOL","none"),("CDT","DATE_AND_TIME","none")],

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                    "comment" : "Real time clock\nThe real time clock has many uses including time stamping, setting dates and times of day in batch reports, in alarm messages and so on.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "INTEGRAL", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("RUN","BOOL","none"),("R1","BOOL","none"),("XIN","REAL","none"),("X0","REAL","none"),("CYCLE","TIME","none")], 

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                    "outputs" : [("Q","BOOL","none"),("XOUT","REAL","none")],

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                    "comment" : "Integral\nThe integral function block integrates the value of input XIN over time.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "DERIVATIVE", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("RUN","BOOL","none"),("XIN","REAL","none"),("CYCLE","TIME","none")], 

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                    "outputs" : [("XOUT","REAL","none")],

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                    "comment" : "Derivative\nThe derivative function block produces an output XOUT proportional to the rate of change of the input XIN.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "PID", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("AUTO","BOOL","none"),("PV","REAL","none"),("SP","REAL","none"),("X0","REAL","none"),("KP","REAL","none"),("TR","REAL","none"),("TD","REAL","none"),("CYCLE","TIME","none")], 

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                    "outputs" : [("XOUT","REAL","none")],

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                    "comment" : "PID\nThe PID (proportional, Integral, Derivative) function block provides the classical three term controller for closed loop control.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "RAMP", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("RUN","BOOL","none"),("X0","REAL","none"),("X1","REAL","none"),("TR","TIME","none"),("CYCLE","TIME","none"),("HOLDBACK","BOOL","none"),("ERROR","REAL","none"),("PV","REAL","none")], 

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                    "outputs" : [("RAMP","BOOL","none"),("XOUT","REAL","none")],

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                    "comment" : "Ramp\nThe RAMP function block is modelled on example given in the standard but with the addition of a 'Holdback' feature.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "HYSTERESIS", "type" : "functionBlock", "extensible" : False, 

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                    "inputs" : [("XIN1","REAL","none"),("XIN2","REAL","none"),("EPS","REAL","none")], 

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                    "outputs" : [("Q","BOOL","none")],

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                    "comment" : "Hysteresis\nThe hysteresis function block provides a hysteresis boolean output driven by the difference of two floating point (REAL) inputs XIN1 and XIN2.",

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                    "generate" : generate_block, "initialise" : initialise_block},

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                {"name" : "RATIO_MONITOR", "type" : "functionBlock", "extensible" : False, 

   212

                    "inputs" : [("PV1","REAL","none"),("PV2","REAL","none"),("RATIO","REAL","none"),("TIMON","TIME","none"),("TIMOFF","TIME","none"),("TOLERANCE","BOOL","none"),("RESET","BOOL","none"),("CYCLE","TIME","none")], 

   213

                    "outputs" : [("ALARM","BOOL","none"),("TOTAL_ERR","BOOL","none")],

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                    "comment" : "Ratio monitor\nThe ratio_monitor function block checks that one process value PV1 is always a given ratio (defined by input RATIO) of a second process value PV2.",

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                    "generate" : generate_block, "initialise" : initialise_block}

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                ]},

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             ]

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#-------------------------------------------------------------------------------

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#                           Data Types definitions

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#-------------------------------------------------------------------------------

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"""

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Ordored list of common data types defined in the IEC 61131-3

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Each type is associated to his direct parent type. It defines then a hierarchy

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between type that permits to make a comparison of two types

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"""

   229

TypeHierarchy_list = [

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    ("ANY", None),

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    ("ANY_DERIVED", "ANY"),

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    ("ANY_ELEMENTARY", "ANY"),

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    ("ANY_MAGNITUDE", "ANY_ELEMENTARY"),

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    ("ANY_BIT", "ANY_ELEMENTARY"),

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    ("ANY_NBIT", "ANY_BIT"),

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    ("ANY_STRING", "ANY_ELEMENTARY"),

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    ("ANY_DATE", "ANY_ELEMENTARY"),

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    ("ANY_NUM", "ANY_MAGNITUDE"),

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    ("ANY_REAL", "ANY_NUM"),

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    ("ANY_INT", "ANY_NUM"),

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    ("ANY_SINT", "ANY_INT"),

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    ("ANY_UINT", "ANY_INT"),

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    ("BOOL", "ANY_BIT"),

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    ("SINT", "ANY_SINT"),

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    ("INT", "ANY_SINT"),

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    ("DINT", "ANY_SINT"),

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    ("LINT", "ANY_SINT"),

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    ("USINT", "ANY_UINT"),

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    ("UINT", "ANY_UINT"),

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    ("UDINT", "ANY_UINT"),

   251

    ("ULINT", "ANY_UINT"),

   252

    ("REAL", "ANY_REAL"),

   253

    ("LREAL", "ANY_REAL"),

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    ("TIME", "ANY_MAGNITUDE"),

   255

    ("DATE", "ANY_DATE"),

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    ("TOD", "ANY_DATE"),

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    ("DT", "ANY_DATE"),

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    ("STRING", "ANY_STRING"),

   259

    ("BYTE", "ANY_NBIT"),

   260

    ("WORD", "ANY_NBIT"),

   261

    ("DWORD", "ANY_NBIT"),

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    ("LWORD", "ANY_NBIT")

   263

    #("WSTRING", "ANY_STRING") # TODO

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]

   265

   266

TypeHierarchy = dict(TypeHierarchy_list)

   267

   268

"""

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returns true if the given data type is the same that "reference" meta-type or one of its types.

   270

"""

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def IsOfType(type, reference):

   272

    if reference is None:

   273

        return True

   274

    elif type == reference:

   275

        return True

   276

    else:

   277

        parent_type = TypeHierarchy[type]

   278

        if parent_type is not None:

   279

            return IsOfType(parent_type, reference)

   280

    return False

   281

   282

"""

   283

returns list of all types that correspont to the ANY* meta type

   284

"""

   285

def GetSubTypes(type):

   286

    return [typename for typename, parenttype in TypeHierarchy.items() if not typename.startswith("ANY") and IsOfType(typename, type)]

   287

   288

   289

DataTypeRange_list = [

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    ("SINT", (-2**7, 2**7 - 1)),

   291

    ("INT", (-2**15, 2**15 - 1)),

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    ("DINT", (-2**31, 2**31 - 1)),

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    ("LINT", (-2**31, 2**31 - 1)),

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    ("USINT", (0, 2**8 - 1)),

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    ("UINT", (0, 2**16 - 1)),

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    ("UDINT", (0, 2**31 - 1)),

   297

    ("ULINT", (0, 2**31 - 1))

   298

]

   299

   300

DataTypeRange = dict(DataTypeRange_list)

   301

   302

   303

   304

#-------------------------------------------------------------------------------

   305

#                             Test identifier

   306

#-------------------------------------------------------------------------------

   307

   308

   309

   310

# Test if identifier is valid

   311

def TestIdentifier(identifier):

   312

     if identifier[0].isdigit():

   313

        return False

   314

     words = identifier.split('_')

   315

     for i, word in enumerate(words):

   316

         if len(word) == 0 and i != 0:

   317

             return False

   318

         if len(word) != 0 and not word.isalnum():

   319

             return False

   320

     return True

   321

   322

   323

#-------------------------------------------------------------------------------

   324

#                        Standard functions list generation

   325

#-------------------------------------------------------------------------------

   326

   327

   328

"""

   329

take a .csv file and translate it it a "csv_table"

   330

"""            

   331

def csv_file_to_table(file):

   332

    return [ map(string.strip,line.split(';')) for line in file.xreadlines()]

   333

   334

"""

   335

seek into the csv table to a section ( section_name match 1st field )

   336

return the matching row without first field

   337

"""

   338

def find_section(section_name, table):

   339

    fields = [None]

   340

    while(fields[0] != section_name):

   341

        fields = table.pop(0)

   342

    return fields[1:]

   343

   344

"""

   345

extract the standard functions standard parameter names and types...

   346

return a { ParameterName: Type, ...}

   347

"""

   348

def get_standard_funtions_input_variables(table):

   349

    variables = find_section("Standard_functions_variables_types", table)

   350

    standard_funtions_input_variables = {}

   351

    fields = [True,True]

   352

    while(fields[1]):

   353

        fields = table.pop(0)

   354

        variable_from_csv = dict([(champ, val) for champ, val in zip(variables, fields[1:]) if champ!=''])

   355

        standard_funtions_input_variables[variable_from_csv['name']] = variable_from_csv['type']

   356

    return standard_funtions_input_variables

   357

   358

"""

   359

translate .csv file input declaration into PLCOpenEditor interessting values

   360

in : "(ANY_NUM, ANY_NUM)" and { ParameterName: Type, ...}

   361

return [("IN1","ANY_NUM","none"),("IN2","ANY_NUM","none")] 

   362

"""

   363

def csv_input_translate(str_decl, variables, base):

   364

    decl = str_decl.replace('(','').replace(')','').replace(' ','').split(',')

   365

    params = []

   366

   367

    len_of_not_predifined_variable = len([True for param_type in decl if param_type not in variables])

   368

   369

    for param_type in decl:

   370

        if param_type in variables.keys():

   371

            param_name = param_type

   372

            param_type = variables[param_type]

   373

        elif len_of_not_predifined_variable > 1:

   374

            param_name = "IN%d"%base

   375

            base += 1

   376

        else:

   377

            param_name = "IN"

   378

        params.append((param_name, param_type, "none"))

   379

    return params

   380

   381

   382

ANY_TO_ANY_LIST=[

   383

        # simple type conv are let as C cast

   384

        (("ANY_NUM","ANY_BIT"),("ANY_NUM","ANY_BIT"), "(%(return_type)s)%(IN_value)s"),

   385

        # TO_TIME

   386

        (("ANY_INT","ANY_BIT"),("ANY_DATE","TIME"), "(%(return_type)s)__int_to_time(%(IN_value)s)"),

   387

        (("ANY_REAL",),("ANY_DATE","TIME"), "(%(return_type)s)__real_to_time(%(IN_value)s)"),

   388

        (("ANY_STRING",), ("ANY_DATE","TIME"), "(%(return_type)s)__string_to_time(%(IN_value)s)"),

   389

        # FROM_TIME

   390

        (("ANY_DATE","TIME"), ("ANY_REAL",), "(%(return_type)s)__time_to_real(%(IN_value)s)"),

   391

        (("ANY_DATE","TIME"), ("ANY_INT","ANY_NBIT"), "(%(return_type)s)__time_to_int(%(IN_value)s)"),

   392

        (("TIME",), ("ANY_STRING",), "(%(return_type)s)__time_to_string(%(IN_value)s)"),

   393

        (("DATE",), ("ANY_STRING",), "(%(return_type)s)__date_to_string(%(IN_value)s)"),

   394

        (("TOD",), ("ANY_STRING",), "(%(return_type)s)__tod_to_string(%(IN_value)s)"),

   395

        (("DT",), ("ANY_STRING",), "(%(return_type)s)__dt_to_string(%(IN_value)s)"),

   396

        # TO_STRING

   397

        (("BOOL",), ("ANY_STRING",), "(%(return_type)s)__bool_to_string(%(IN_value)s)"),

   398

        (("ANY_BIT",), ("ANY_STRING",), "(%(return_type)s)__bit_to_string(%(IN_value)s)"),

   399

        (("ANY_REAL",), ("ANY_STRING",), "(%(return_type)s)__real_to_string(%(IN_value)s)"),

   400

        (("ANY_SINT",), ("ANY_STRING",), "(%(return_type)s)__sint_to_string(%(IN_value)s)"),

   401

        (("ANY_UINT",), ("ANY_STRING",), "(%(return_type)s)__uint_to_string(%(IN_value)s)"),

   402

        # FROM_STRING

   403

        (("ANY_STRING",), ("BOOL",), "(%(return_type)s)__string_to_bool(%(IN_value)s)"),

   404

        (("ANY_STRING",), ("ANY_BIT",), "(%(return_type)s)__string_to_bit(%(IN_value)s)"),

   405

        (("ANY_STRING",), ("ANY_SINT",), "(%(return_type)s)__string_to_sint(%(IN_value)s)"),

   406

        (("ANY_STRING",), ("ANY_UINT",), "(%(return_type)s)__string_to_uint(%(IN_value)s)"),

   407

        (("ANY_STRING",), ("ANY_REAL",), "(%(return_type)s)__string_to_real(%(IN_value)s)")]

   408

   409

   410

BCD_TO_ANY_LIST=[

   411

        (("BYTE",),("USINT",), "(%(return_type)s)__bcd_to_uint(%(IN_value)s)"),

   412

        (("WORD",),("UINT",), "(%(return_type)s)__bcd_to_uint(%(IN_value)s)"),

   413

        (("DWORD",),("UDINT",), "(%(return_type)s)__bcd_to_uint(%(IN_value)s)"),

   414

        (("LWORD",),("ULINT",), "(%(return_type)s)__bcd_to_uint(%(IN_value)s)")]

   415

   416

   417

ANY_TO_BCD_LIST=[

   418

        (("USINT",),("BYTE",), "(%(return_type)s)__uint_to_bcd(%(IN_value)s)"),

   419

        (("UINT",),("WORD",), "(%(return_type)s)__uint_to_bcd(%(IN_value)s)"),

   420

        (("UDINT",),("DWORD",), "(%(return_type)s)__uint_to_bcd(%(IN_value)s)"),

   421

        (("ULINT",),("LWORD",), "(%(return_type)s)__uint_to_bcd(%(IN_value)s)")]

   422

   423

   424

def ANY_TO_ANY_FORMAT_GEN(any_to_any_list, fdecl):

   425

   426

    for (InTypes, OutTypes, Format) in any_to_any_list:

   427

        outs = reduce(lambda a,b: a or b, map(lambda testtype : IsOfType(fdecl["outputs"][0][1],testtype), OutTypes))

   428

        inps = reduce(lambda a,b: a or b, map(lambda testtype : IsOfType(fdecl["inputs"][0][1],testtype), InTypes))

   429

        if inps and outs and fdecl["outputs"][0][1] != fdecl["inputs"][0][1]:

   430

             return Format

   431

   432

    return None

   433

   434

   435

"""

   436

Returns this kind of declaration for all standard functions

   437

   438

            [{"name" : "Numerical", 'list': [   {   

   439

                'baseinputnumber': 1,

   440

                'comment': 'Addition',

   441

                'extensible': True,

   442

                'inputs': [   ('IN1', 'ANY_NUM', 'none'),

   443

                              ('IN2', 'ANY_NUM', 'none')],

   444

                'name': 'ADD',

   445

                'outputs': [('OUT', 'ANY_NUM', 'none')],

   446

                'type': 'function'}, ...... ] },.....]

   447

"""

   448

def get_standard_funtions(table):

   449

   450

    variables = get_standard_funtions_input_variables(table)

   451

   452

    fonctions = find_section("Standard_functions_type",table)

   453

   454

    Standard_Functions_Decl = []

   455

    Current_section = None

   456

   457

    translate = {

   458

            "extensible" : lambda x: {"yes":True, "no":False}[x],

   459

            "inputs" : lambda x:csv_input_translate(x,variables,baseinputnumber),

   460

            "outputs":lambda x:[("OUT",x,"none")]}

   461

   462

    for fields in table:

   463

        if fields[1]:

   464

            # If function section name given

   465

            if fields[0]:

   466

                Current_section = {"name" : fields[0], "list" : []}

   467

                Standard_Functions_Decl.append(Current_section)

   468

                Function_decl_list = []

   469

            if Current_section:

   470

                Function_decl = dict([(champ, val) for champ, val in zip(fonctions, fields[1:]) if champ])

   471

                Function_decl["generate"] = generate_block

   472

                Function_decl["initialise"] = lambda x,y:[]

   473

                baseinputnumber = int(Function_decl.get("baseinputnumber",1))

   474

                Function_decl["baseinputnumber"] = baseinputnumber

   475

                for param, value in Function_decl.iteritems():

   476

                    if param in translate:

   477

                        Function_decl[param] = translate[param](value)

   478

                Function_decl["type"] = "function"

   479

   480

                if Function_decl["name"].startswith('*') or Function_decl["name"].endswith('*') :

   481

                    input_ovrloading_types = GetSubTypes(Function_decl["inputs"][0][1])

   482

                    output_types = GetSubTypes(Function_decl["outputs"][0][1])

   483

                else:

   484

                    input_ovrloading_types = [None]

   485

                    output_types = [None]

   486

   487

                funcdeclname_orig = Function_decl["name"]

   488

                funcdeclname = Function_decl["name"].strip('*_')

   489

                fdc = Function_decl["inputs"][:]

   490

                for intype in input_ovrloading_types:

   491

                    if intype != None:

   492

                        Function_decl["inputs"] = []