bdm-generator-code.tar.gz_BDM_In the Frame

/* Copyright (c) 2013, 2014 Olivier TARTROU See the file COPYING for copying permission. https://sourceforge.net/projects/bdm-generator/ */ package bdmGenerator; import java.util.ArrayList; import java.util.List; import bdmModel.BdmException; import bdmModel.BdmField; import bdmModel.BdmFrame; public class BdmFrameGenerator { protected BdmFrame m_bdmFrame; protected final String m_type; protected final String m_fullName; protected final String m_nameUpperCamel; protected final String m_fullNameUpper; protected final List<Integer> m_spare; protected BdmMethodGenerator m_bdmMethodGenerator; protected final List<BdmFieldGenerator> bdmFieldGenerators; public BdmFrameGenerator(BdmProtocolGenerator bdmProtocolGenerator, BdmFrame bdmFrame) { m_bdmFrame = bdmFrame; BdmCaseFormat bdmCaseFormat = new BdmCaseFormat(m_bdmFrame.m_name.getValue()); m_type = new StringBuilder(bdmProtocolGenerator.getNameUpperCamel()) .append('_') .append(bdmCaseFormat.toUpperCamel()).toString(); m_fullName = new StringBuilder(bdmProtocolGenerator.getNameUpperCamel()) .append('_') .append(bdmCaseFormat.toLowerCamel()).toString(); m_nameUpperCamel = bdmCaseFormat.toUpperCamel(); m_fullNameUpper = new StringBuilder(bdmProtocolGenerator.getNameUpper()) .append('_') .append(bdmCaseFormat.toUpper()).toString(); m_spare = new ArrayList<Integer>(); m_bdmMethodGenerator = new BdmMethodGenerator("bool", new StringBuilder() .append(bdmProtocolGenerator.getNameUpperCamel()) .append("_manage") .append(getNameUpperCamel()) .append("Frame").toString()); m_bdmMethodGenerator.addParameter(getType() + " *", getName()); bdmFieldGenerators = new ArrayList<BdmFieldGenerator>(); for(BdmField bdmField: m_bdmFrame.fields) { bdmFieldGenerators.add(new BdmFieldGenerator(this, bdmField)); } } /** "SampleProtocol_SampleFrame" */ public String getType() { return m_type; } /** "sampleFrame" */ public String getName() { return m_bdmFrame.m_name.getValue(); } /** "SampleFrame" */ public String getNameUpperCamel() { return m_nameUpperCamel; } /** "SampleProtocol_sampleFrame" */ public String getFullName() { return m_fullName; } /** "SAMPLE_PROTOCOL_SAMPLE_FRAME" */ public String getFullNameUpper() { return m_fullNameUpper; } public void appendFrameStructureDefinition(StringBuilder s) throws BdmException { BdmSpacer leftmargin = new BdmSpacer(2); BdmSpacer type = new BdmSpacer(1); BdmSpacer name = new BdmSpacer(1); BdmSpacer width = new BdmSpacer(); int currentShift; int spareIndex; /* Loop 1: compute alignments */ currentShift = 0; spareIndex = 1; for(BdmFieldGenerator bdmFieldGenerator: bdmFieldGenerators) { int fieldShift = bdmFieldGenerator.m_bdmField.m_startByte.getValue() * 8 + bdmFieldGenerator.m_bdmField.m_startBit.getValue(); if(fieldShift > currentShift) { type.set(2); /* u8 */ name.set(5, spareIndex); /* "spare7" */ width.set(0, fieldShift - currentShift); spareIndex++; } type.set(bdmFieldGenerator.getFieldType()); name.set(bdmFieldGenerator.getName()); width.set(0, bdmFieldGenerator.m_bdmField.m_size.getValue()); currentShift = fieldShift + bdmFieldGenerator.m_bdmField.m_size.getValue(); } if(currentShift % 8 != 0) { type.set(2); /* u8 */ name.set(5, spareIndex); /* "spare7" */ width.set(0, 8 - (currentShift % 8)); } /* Loop 2: build frame structure */ currentShift = 0; spareIndex = 1; s.append("#pragma pack(1)\n"); s.append("typedef struct\n"); s.append("{\n"); for(BdmFieldGenerator bdmFieldGenerator: bdmFieldGenerators) { int fieldShift = bdmFieldGenerator.m_bdmField.m_startByte.getValue() * 8 + bdmFieldGenerator.m_bdmField.m_startBit.getValue(); if(fieldShift > currentShift) { s.append(leftmargin.space()); s.append("u8"); s.append(type.space(2)); /* u8 */ s.append("spare"); s.append(spareIndex); s.append(":"); s.append(name.space(5, spareIndex)); /* spare7 */ s.append(width.space(0, fieldShift - currentShift)); s.append(fieldShift - currentShift); s.append(";\n"); m_spare.add(fieldShift - currentShift); spareIndex++; } s.append(leftmargin.space()); s.append(bdmFieldGenerator.getFieldType()); s.append(type.space(bdmFieldGenerator.getFieldType())); s.append(bdmFieldGenerator.getName()); s.append(":"); s.append(name.space(bdmFieldGenerator.getName())); s.append(width.space(0, bdmFieldGenerator.m_bdmField.m_size.getValue())); s.append(bdmFieldGenerator.m_bdmField.m_size.getValue()); s.append(";\n"); currentShift = fieldShift + bdmFieldGenerator.m_bdmField.m_size.getValue(); } if(currentShift % 8 != 0) { s.append(leftmargin.space()); s.append("u8"); s.append(type.space(2)); /* u8 */ s.append("spare"); s.append(spareIndex); s.append(":"); s.append(name.space(5, spareIndex)); /* "spare7" */ s.append(width.space(0, 8 - (currentShift % 8))); s.append(8 - (currentShift % 8)); s.append(";\n"); m_spare.add(8 - (currentShift % 8)); } s.append("} "); s.append(getType()); s.append(";\n"); s.append("#pragma pack()\n"); s.append("\n"); } public void appendFrameIdDefinition(StringBuilder s) { s.append(" "); s.append(getFullNameUpper()); s.append(",\n"); } public void appendFieldEnumsDefinition(StringBuilder s) { for(BdmFieldGenerator bdmFieldGenerator: bdmFieldGenerators) { s.append("typedef enum\n" + "{\n"); bdmFieldGenerator.m_errorValues.appendEnumDefinition(s); bdmFieldGenerator.m_notAvailableValues.appendEnumDefinition(s); bdmFieldGenerator.m_validValues.appendEnumDefinition(s); s.append("} ").append(getType()).append(bdmFieldGenerator.getType()).append("Value;\n\n"); } } public void appendFrameTypeCase(StringBuilder s) { s.append(" case "); s.append(getFullNameUpper()); s.append(":\n"); s.append(" {\n" + " /* Manage frame */\n" + " result = "); m_bdmMethodGenerator.appendMethodCall(s, new String[]{"frame"}, true); s.append(" break;\n" + " }\n\n"); } public void appendFrameCheckContentDeclaration(StringBuilder s) { m_bdmMethodGenerator.appendMethodDeclaration(s); } public void appendCheckFrameContent(StringBuilder s) { m_bdmMethodGenerator.appendMethodDefinition(s); s.append("{\n"); s.append(" /* Suppose the frame to be valid */\n" + " bool valid = true;\n\n"); appendCheckFieldsBounds(s); appendCheckSpares(s); s.append(" /* Copy frame fields to BDM fields */\n" + " if(valid)\n" + " {\n"); for(BdmFieldGenerator bdmFieldGenerator: bdmFieldGenerators) { s.append(" ") .append(bdmFieldGenerator.m_bdmField.m_destination.getValue()) .append(" = ") .append(bdmFieldGenerator.m_fullName) .append(";\n"); } s.append(" }\n"); s.append("}\n\n"); } public void appendCheckFieldsBounds(StringBuilder s) { s.append(" /* Check values of fields */\n"); for(BdmFieldGenerator bdmFieldGenerator: bdmFieldGenerators) { bdmFieldGenerator.appendCheckFieldsBounds(s); } } public void appendCheckSpares(StringBuilder s) { s.append(" /* Check spare values */\n"); for(int spare = 0; spare < m_spare.size(); spare++) { int check = 0; for(int i = 0; i < m_spare.get(spare); i++) { check = check << 1 | 1; } s.append(" if(spare"); s.append(spare + 1); s.append(" != " + "0x"); s.append(Integer.toHexString(check).toUpperCase(