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fix(plc4go/codgen): progress on golang codegen
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@sruehl
sruehl committed Nov 1, 2021
1 parent c7fe9db commit 0c47784
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Showing 328 changed files with 976 additions and 983 deletions.
295 changes: 150 additions & 145 deletions ...tion/language-go/src/main/java/org/apache/plc4x/language/go/GoLanguageTemplateHelper.java
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39 changes: 18 additions & 21 deletions code-generation/language-go/src/main/resources/templates/go/model-template.go.ftlh
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Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,7 @@ import (
// Code generated by code-generation. DO NOT EDIT.

<#-- TODO: the code below implies that parserArguments will be null if not present... not pretty -->
<#if type.parserArguments.isPresent()><#assign parserArguments=type.parserArguments.orElseThrow()></#if>
<#if type.parserArguments.isPresent()><#assign parserArguments=type.allParserArguments.orElseThrow()></#if>
<#if type.constFields?has_content>

// Constant values.
Expand Down Expand Up @@ -548,10 +548,8 @@ func (m *${type.name}) LengthInBytes() uint16 {
}

<#assign hasParserArguments=parserArguments?has_content/>
<#assign parserArgumentList><#if hasParserArguments><#list parserArguments as parserArgument>${parserArgument.name}${tracer.dive("parserArgument")} <#if helper.isComplexTypeReference(parserArgument.type) && !helper.isEnumTypeReference(parserArgument.type)>*</#if>${helper.getLanguageTypeNameForTypeReference(parserArgument.type)}<#sep>, </#sep></#list></#if></#assign>
<#assign hasParentParserArguments=(type.parentType?? && type.parentType.parserArguments.isPresent() && type.parentType.parserArguments.orElseThrow()?filter(arg -> hasParserArguments && !parserArguments?map(argument->argument.name)?seq_contains(arg.name) || !hasParserArguments)?has_content)>
<#assign parentParserArgumentList><#if hasParentParserArguments><#list type.parentType.parserArguments.orElseThrow()?filter(arg -> (hasParserArguments && !parserArguments?map(argument->argument.name)?seq_contains(arg.name) || !hasParserArguments) && type.isNonDiscriminatorField(arg.name)) as parserArgument>${tracer.dive("parentParserArgument")}${parserArgument.name} <#if helper.isComplexTypeReference(parserArgument.type) && !helper.isEnumTypeReference(parserArgument.type)>*</#if>${helper.getLanguageTypeNameForTypeReference(parserArgument.type)}<#sep>, </#sep></#list></#if></#assign>
func ${type.name}Parse(readBuffer utils.ReadBuffer<#if hasParserArguments>, ${parserArgumentList}</#if><#if hasParentParserArguments>, ${parentParserArgumentList}</#if>) (*<#if type.parentType?has_content>${type.parentType.name}<#else>${type.name}</#if>, error) {
<#assign parserArgumentList><#if hasParserArguments><#list parserArguments as parserArgument>${parserArgument.name} <#if helper.isComplexTypeReference(parserArgument.type) && !helper.isEnumTypeReference(parserArgument.type)>*</#if>${helper.getLanguageTypeNameForTypeReference(parserArgument.type)}<#sep>, </#sep></#list></#if></#assign>
func ${type.name}Parse(readBuffer utils.ReadBuffer<#if hasParserArguments>, ${parserArgumentList}</#if>) (*<#if type.parentType?has_content>${type.parentType.name}<#else>${type.name}</#if>, error) {
if pullErr := readBuffer.PullContext("${type.name}"); pullErr != nil {
return nil, pullErr
}
Expand All @@ -568,20 +566,20 @@ func ${type.name}Parse(readBuffer utils.ReadBuffer<#if hasParserArguments>, ${pa
<#assign numberOfBytesExpression>
<#compress>
<#if field.isCountArrayField()>
numberOfBytes := int(${helper.toIntegerParseExpression(field, 16, arrayField.loopExpression, parserArguments)})
numberOfBytes${arrayField.name} := int(${helper.toIntegerParseExpression(field, 16, arrayField.loopExpression, parserArguments)})
<#elseif field.isLengthArrayField()>
numberOfBytes := int(${helper.toIntegerParseExpression(field, 16, arrayField.loopExpression, parserArguments)})
numberOfBytes${arrayField.name} := int(${helper.toIntegerParseExpression(field, 16, arrayField.loopExpression, parserArguments)})
<#elseif field.isTerminatedArrayField()>
<#-- TODO: we need to find out to implement this-->
numberOfBytes := int(${helper.toIntegerParseExpression(field, 16, arrayField.loopExpression, parserArguments)})
numberOfBytes${arrayField.name} := int(${helper.toIntegerParseExpression(field, 16, arrayField.loopExpression, parserArguments)})
<#else>
<#-- TODO: we should throw a exception here-->
numberOfBytes := int(-1)
numberOfBytes${arrayField.name} := int(-1)
</#if>
</#compress>
</#assign>
${numberOfBytesExpression}
${arrayField.name}, _readArrayErr := readBuffer.ReadByteArray("${arrayField.name}", numberOfBytes)
${arrayField.name}, _readArrayErr := readBuffer.ReadByteArray("${arrayField.name}", numberOfBytes${arrayField.name})
if _readArrayErr != nil {
return nil, errors.Wrap(_readArrayErr, "Error parsing '${arrayField.name}' field")<@emitImport import="github.com/pkg/errors" />
}
Expand Down Expand Up @@ -856,16 +854,16 @@ func ${type.name}Parse(readBuffer utils.ReadBuffer<#if hasParserArguments>, ${pa
<#assign typeName=typeDefinition.parentType.name>
<#assign typeDefinition=typeDefinition.parentType>
</#if>
<#assign hasRefParams=complexTypeReference.params.isPresent()>
<#assign refParams>
<#if hasRefParams>
<#assign hasRefParams=complexTypeReference.params.isPresent()>
<#assign refParams>
<#if hasRefParams>
,
<#list complexTypeReference.params.orElseThrow() as parserArgument>
${helper.toTypedParseExpression(optionalField, helper.getArgumentType(optionalField.type, parserArgument?index), parserArgument, parserArguments)}
<#sep>, </#sep>
</#list>
</#if>
</#assign>
<#list complexTypeReference.params.orElseThrow() as parserArgument>
${helper.toTypedParseExpression(optionalField, helper.getArgumentType(optionalField.type, parserArgument?index), parserArgument, parserArguments)}
<#sep>, </#sep>
</#list>
</#if>
</#assign>
_val, _err := ${typeName}Parse(readBuffer${refParams})
</@compress>

Expand Down Expand Up @@ -904,7 +902,6 @@ func ${type.name}Parse(readBuffer utils.ReadBuffer<#if hasParserArguments>, ${pa
<#assign typeDefinition=typeDefinition.parentType>
</#if>
<#assign hasRefParams=complexTypeReference.params.isPresent() && typeDefinition.parserArguments.isPresent()>
<#assign refParams> <#if hasRefParams>, <#list complexTypeReference.params.orElseThrow() as typeParam>${helper.toTypedParseExpression(assertField, null, typeParam, null)}<#sep>, </#sep></#list> </#if> </#assign>
</@compress>
_val, _err := ${helper.getLanguageTypeNameForField(field)}Parse(readBuffer${refParams})
if _err != nil {
Expand Down Expand Up @@ -1042,7 +1039,7 @@ func ${type.name}Parse(readBuffer utils.ReadBuffer<#if hasParserArguments>, ${pa
</#if>: // ${case.name}
</@compress>

_parent, typeSwitchError = ${case.name}Parse(readBuffer<#if case.parserArguments.isPresent()>, <#list case.parserArguments.orElseThrow() as parserArgument><#if <#--TODO: here DF1ResponseMessage throws a payloadLength not present: meaning that some feature is not rightfully implemented as the result should be a error not a missing pointer-->type.getPropertyFieldFromThisOrParentByName(parserArgument.name).isPresent() && type.getPropertyFieldFromThisOrParentByName(parserArgument.name).orElseThrow().isOptionalField()>*</#if>${parserArgument.name}<#sep>, </#sep></#list></#if>)
_parent, typeSwitchError = ${case.name}Parse(readBuffer<#if case.allParserArguments.isPresent()>, <#list case.allParserArguments.orElseThrow() as parserArgument><#if <#--TODO: here DF1ResponseMessage throws a payloadLength not present: meaning that some feature is not rightfully implemented as the result should be a error not a missing pointer-->type.getPropertyFieldFromThisOrParentByName(parserArgument.name).isPresent() && type.getPropertyFieldFromThisOrParentByName(parserArgument.name).orElseThrow().isOptionalField()>*</#if>${parserArgument.name}<#sep>, </#sep></#list></#if>)
</#list>
default:
// TODO: return actual type
Expand Down
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