Examples with TemplateDelegateNode com.google.template.soy.soytree.TemplateDelegateNode used on opensource projects

Example 1 with TemplateDelegateNode

use of com.google.template.soy.soytree.TemplateDelegateNode in project closure-templates by google.

the class GenerateParseInfoVisitor method visitSoyFileNode.

@Override
protected void visitSoyFileNode(SoyFileNode node) {
    if (node.getSoyFileKind() != SoyFileKind.SRC) {
        // don't generate code for deps
        return;
    }
    String javaClassName = soyFileToJavaClassNameMap.get(node);
    // Collect the following:
    // + all the public basic templates (non-private, non-delegate) in a map from the
    // upper-underscore template name to the template's node,
    // + all the param keys from all templates (including private),
    // + for each param key, the list of templates that list it directly.
    // + for any params whose type is a proto, get the proto name and Java class name.
    LinkedHashMap<String, TemplateNode> publicBasicTemplateMap = Maps.newLinkedHashMap();
    List<String> deltemplates = new ArrayList<>();
    Set<String> allParamKeys = Sets.newHashSet();
    SetMultimap<String, TemplateNode> paramKeyToTemplatesMultimap = LinkedHashMultimap.create();
    SortedSet<String> protoTypes = Sets.newTreeSet();
    for (TemplateNode template : node.getChildren()) {
        if (template.getVisibility() == Visibility.PUBLIC && template instanceof TemplateBasicNode) {
            publicBasicTemplateMap.put(convertToUpperUnderscore(template.getPartialTemplateName().substring(1)), template);
        }
        if (template instanceof TemplateDelegateNode) {
            deltemplates.add("\"" + template.getTemplateName() + "\"");
        }
        for (TemplateParam param : template.getAllParams()) {
            if (!param.isInjected()) {
                allParamKeys.add(param.name());
                paramKeyToTemplatesMultimap.put(param.name(), template);
            }
            if (param instanceof HeaderParam) {
                SoyType paramType = ((HeaderParam) param).type();
                findProtoTypesRecurse(paramType, protoTypes);
            }
        }
        // Field access nodes need special handling to ensure that extension references are handled.
        for (FieldAccessNode fieldAccess : SoyTreeUtils.getAllNodesOfType(template, FieldAccessNode.class)) {
            SoyType baseType = fieldAccess.getBaseExprChild().getType();
            if (baseType.getKind() == SoyType.Kind.PROTO) {
                FieldDescriptor desc = ((SoyProtoType) baseType).getFieldDescriptor(fieldAccess.getFieldName());
                if (desc.isExtension()) {
                    protoTypes.add(ProtoUtils.getTofuExtensionImport(desc));
                }
            }
        }
        // Add enums
        for (GlobalNode global : SoyTreeUtils.getAllNodesOfType(template, GlobalNode.class)) {
            if (global.isResolved() && global.getType().getKind() == SoyType.Kind.PROTO_ENUM) {
                protoTypes.add(((SoyProtoEnumType) global.getType()).getDescriptorExpression());
            }
        }
        // Add proto init
        for (ProtoInitNode protoInit : SoyTreeUtils.getAllNodesOfType(template, ProtoInitNode.class)) {
            if (protoInit.getType().getKind() == SoyType.Kind.PROTO) {
                protoTypes.add(((SoyProtoType) protoInit.getType()).getDescriptorExpression());
            }
        }
    }
    // allParamKeysMap is a map from upper-underscore key to original key.
    SortedMap<String, String> allParamKeysMap = Maps.newTreeMap();
    for (String key : allParamKeys) {
        String upperUnderscoreKey = convertToUpperUnderscore(key);
        // stage of the compiler.
        while (allParamKeysMap.containsKey(upperUnderscoreKey)) {
            upperUnderscoreKey = upperUnderscoreKey + "_";
        }
        allParamKeysMap.put(upperUnderscoreKey, key);
        // Updates the convertedIdents here, since we might have changed the value by adding
        // prepending underscores. Without this, the generated SoyTemplateInfo still use the
        // old mapping and will fail.
        convertedIdents.put(key, upperUnderscoreKey);
    }
    ilb = new IndentedLinesBuilder(2);
    // ------ Header. ------
    ilb.appendLine("// This file was automatically generated from ", node.getFileName(), ".");
    ilb.appendLine("// Please don't edit this file by hand.");
    ilb.appendLine();
    ilb.appendLine("package ", javaPackage, ";");
    ilb.appendLine();
    ilb.appendLine("import com.google.common.collect.ImmutableList;");
    ilb.appendLine("import com.google.common.collect.ImmutableMap;");
    ilb.appendLine("import com.google.common.collect.ImmutableSortedSet;");
    if (!protoTypes.isEmpty()) {
        ilb.appendLine("import com.google.protobuf.Descriptors.GenericDescriptor;");
    }
    ilb.appendLine("import com.google.template.soy.parseinfo.SoyFileInfo;");
    ilb.appendLine("import com.google.template.soy.parseinfo.SoyTemplateInfo;");
    // ------ Class start. ------
    ilb.appendLine();
    ilb.appendLine();
    appendJavadoc(ilb, "Soy parse info for " + node.getFileName() + ".", true, false);
    ilb.appendLine("public final class ", javaClassName, " extends SoyFileInfo {");
    ilb.increaseIndent();
    // ------ Constant for namespace. ------
    ilb.appendLine();
    ilb.appendLine();
    ilb.appendLine("/** This Soy file's namespace. */");
    ilb.appendLine("public static final String __NAMESPACE__ = \"", node.getNamespace(), "\";");
    // ------ Proto types map. ------
    if (!protoTypes.isEmpty()) {
        ilb.appendLine();
        ilb.appendLine();
        ilb.appendLine("/** Protocol buffer types used by these templates. */");
        ilb.appendLine("@Override public ImmutableList<GenericDescriptor> getProtoDescriptors() {");
        ilb.increaseIndent();
        // Note we use fully-qualified names instead of imports to avoid potential collisions.
        List<String> defaultInstances = Lists.newArrayList();
        defaultInstances.addAll(protoTypes);
        appendListOrSetHelper(ilb, "return ImmutableList.<GenericDescriptor>of", defaultInstances);
        ilb.appendLineEnd(";");
        ilb.decreaseIndent();
        ilb.appendLine("}");
    }
    // ------ Template names. ------
    ilb.appendLine();
    ilb.appendLine();
    ilb.appendLine("public static final class TemplateName {");
    ilb.increaseIndent();
    ilb.appendLine("private TemplateName() {}");
    ilb.appendLine();
    for (Entry<String, TemplateNode> templateEntry : publicBasicTemplateMap.entrySet()) {
        StringBuilder javadocSb = new StringBuilder();
        javadocSb.append("The full template name of the ").append(templateEntry.getValue().getPartialTemplateName()).append(" template.");
        appendJavadoc(ilb, javadocSb.toString(), false, true);
        ilb.appendLine("public static final String ", templateEntry.getKey(), " = \"", templateEntry.getValue().getTemplateName(), "\";");
    }
    ilb.decreaseIndent();
    ilb.appendLine("}");
    // ------ Params. ------
    ilb.appendLine();
    ilb.appendLine();
    ilb.appendLine("/**");
    ilb.appendLine(" * Param names from all templates in this Soy file.");
    ilb.appendLine(" */");
    ilb.appendLine("public static final class Param {");
    ilb.increaseIndent();
    ilb.appendLine("private Param() {}");
    ilb.appendLine();
    for (Map.Entry<String, String> paramEntry : allParamKeysMap.entrySet()) {
        String upperUnderscoreKey = paramEntry.getKey();
        String key = paramEntry.getValue();
        StringBuilder javadocSb = new StringBuilder();
        javadocSb.append("Listed by ");
        boolean isFirst = true;
        for (TemplateNode template : paramKeyToTemplatesMultimap.get(key)) {
            if (isFirst) {
                isFirst = false;
            } else {
                javadocSb.append(", ");
            }
            javadocSb.append(buildTemplateNameForJavadoc(node, template));
        }
        javadocSb.append('.');
        appendJavadoc(ilb, javadocSb.toString(), false, true);
        ilb.appendLine("public static final String ", upperUnderscoreKey, " = \"", key, "\";");
    }
    ilb.decreaseIndent();
    ilb.appendLine("}");
    // ------ Templates. ------
    for (TemplateNode template : publicBasicTemplateMap.values()) {
        visit(template);
    }
    // ------ Constructor. ------
    ilb.appendLine();
    ilb.appendLine();
    ilb.appendLine("private ", javaClassName, "() {");
    ilb.increaseIndent();
    ilb.appendLine("super(");
    ilb.increaseIndent(2);
    ilb.appendLine("\"", node.getFileName(), "\",");
    ilb.appendLine("\"", node.getNamespace(), "\",");
    // Templates.
    List<String> itemSnippets = Lists.newArrayList();
    itemSnippets.addAll(publicBasicTemplateMap.keySet());
    appendImmutableList(ilb, "<SoyTemplateInfo>", itemSnippets);
    ilb.appendLineEnd(",");
    // CSS names.
    SortedMap<String, CssTagsPrefixPresence> cssNameMap = new CollectCssNamesVisitor().exec(node);
    ImmutableMap.Builder<String, String> cssTagPrefixes = ImmutableMap.builder();
    for (Map.Entry<String, CssTagsPrefixPresence> entry : cssNameMap.entrySet()) {
        cssTagPrefixes.put("\"" + entry.getKey() + "\"", "CssTagsPrefixPresence." + entry.getValue().name());
    }
    appendImmutableMap(ilb, "<String, CssTagsPrefixPresence>", cssTagPrefixes.build());
    ilb.appendLineEnd(",");
    appendImmutableList(ilb, "<String>", deltemplates);
    ilb.appendLineEnd(");");
    ilb.decreaseIndent(2);
    ilb.decreaseIndent();
    ilb.appendLine("}");
    // ------ Singleton instance and its getter. ------
    ilb.appendLine();
    ilb.appendLine();
    ilb.appendLine("private static final ", javaClassName, " __INSTANCE__ =");
    ilb.increaseIndent(2);
    ilb.appendLine("new ", javaClassName, "();");
    ilb.decreaseIndent(2);
    ilb.appendLine();
    ilb.appendLine("public static ", javaClassName, " getInstance() {");
    ilb.increaseIndent();
    ilb.appendLine("return __INSTANCE__;");
    ilb.decreaseIndent();
    ilb.appendLine("}");
    // ------ Class end. ------
    ilb.appendLine();
    ilb.decreaseIndent();
    ilb.appendLine("}");
    generatedFiles.put(javaClassName + ".java", ilb.toString());
    ilb = null;
}

Example 2 with TemplateDelegateNode

use of com.google.template.soy.soytree.TemplateDelegateNode in project closure-templates by google.

the class GenerateParseInfoVisitor method visitTemplateNode.

@Override
protected void visitTemplateNode(TemplateNode node) {
    // Don't generate anything for private or delegate templates.
    if (node.getVisibility() != Visibility.PUBLIC || node instanceof TemplateDelegateNode) {
        return;
    }
    // First build list of all transitive params (direct and indirect).
    LinkedHashMap<String, TemplateParam> transitiveParamMap = Maps.newLinkedHashMap();
    // Direct params.
    for (TemplateParam param : node.getParams()) {
        transitiveParamMap.put(param.name(), param);
    }
    // Indirect params.
    IndirectParamsInfo indirectParamsInfo = new FindIndirectParamsVisitor(templateRegistry).exec(node);
    for (TemplateParam param : indirectParamsInfo.indirectParams.values()) {
        TemplateParam existingParam = transitiveParamMap.get(param.name());
        if (existingParam == null) {
            // Note: We don't list the description for indirect params.
            transitiveParamMap.put(param.name(), param.copyEssential());
        }
    }
    // Get info on injected params.
    IjParamsInfo ijParamsInfo = new FindIjParamsVisitor(templateRegistry).exec(node);
    // for IntelliJ
    @SuppressWarnings("ConstantConditions") String upperUnderscoreName = convertToUpperUnderscore(node.getPartialTemplateName().substring(1));
    String templateInfoClassName = CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, upperUnderscoreName) + "SoyTemplateInfo";
    // ------ *SoyTemplateInfo class start. ------
    ilb.appendLine();
    ilb.appendLine();
    appendJavadoc(ilb, Optional.fromNullable(node.getSoyDocDesc()).or(""), true, false);
    ilb.appendLine("public static final class ", templateInfoClassName, " extends SoyTemplateInfo {");
    ilb.increaseIndent();
    // ------ Constants for template name. ------
    ilb.appendLine();
    ilb.appendLine("/** This template's full name. */");
    ilb.appendLine("public static final String __NAME__ = \"", node.getTemplateName(), "\";");
    ilb.appendLine("/** This template's partial name. */");
    ilb.appendLine("public static final String __PARTIAL_NAME__ = \"", node.getPartialTemplateName(), "\";");
    // ------ Param constants. ------
    boolean hasSeenFirstDirectParam = false;
    boolean hasSwitchedToIndirectParams = false;
    for (TemplateParam param : transitiveParamMap.values()) {
        if (param.desc() != null) {
            // Direct param.
            if (!hasSeenFirstDirectParam) {
                ilb.appendLine();
                hasSeenFirstDirectParam = true;
            }
            appendJavadoc(ilb, param.desc(), false, false);
        } else {
            // Indirect param.
            if (!hasSwitchedToIndirectParams) {
                ilb.appendLine();
                ilb.appendLine("// Indirect params.");
                hasSwitchedToIndirectParams = true;
            }
            // Get the list of all transitive callee names as they will appear in the generated
            // Javadoc (possibly containing both partial and full names) and sort them before
            // generating the Javadoc.
            SortedSet<String> sortedJavadocCalleeNames = Sets.newTreeSet();
            for (TemplateNode transitiveCallee : indirectParamsInfo.paramKeyToCalleesMultimap.get(param.name())) {
                String javadocCalleeName = buildTemplateNameForJavadoc(node.getParent(), transitiveCallee);
                sortedJavadocCalleeNames.add(javadocCalleeName);
            }
            // Generate the Javadoc.
            StringBuilder javadocSb = new StringBuilder();
            javadocSb.append("Listed by ");
            boolean isFirst = true;
            for (String javadocCalleeName : sortedJavadocCalleeNames) {
                if (isFirst) {
                    isFirst = false;
                } else {
                    javadocSb.append(", ");
                }
                javadocSb.append(javadocCalleeName);
            }
            javadocSb.append('.');
            appendJavadoc(ilb, javadocSb.toString(), false, true);
        }
        // The actual param field.
        ilb.appendLine("public static final String ", convertToUpperUnderscore(param.name()), " = \"", param.name(), "\";");
    }
    // ------ Constructor. ------
    ilb.appendLine();
    ilb.appendLine("private ", templateInfoClassName, "() {");
    ilb.increaseIndent();
    ilb.appendLine("super(");
    ilb.increaseIndent(2);
    ilb.appendLine("\"", node.getTemplateName(), "\",");
    if (!transitiveParamMap.isEmpty()) {
        ImmutableMap.Builder<String, String> entrySnippetPairs = ImmutableMap.builder();
        for (TemplateParam param : transitiveParamMap.values()) {
            entrySnippetPairs.put("\"" + param.name() + "\"", param.isRequired() ? "ParamRequisiteness.REQUIRED" : "ParamRequisiteness.OPTIONAL");
        }
        appendImmutableMap(ilb, "<String, ParamRequisiteness>", entrySnippetPairs.build());
        ilb.appendLineEnd(",");
    } else {
        ilb.appendLine("ImmutableMap.<String, ParamRequisiteness>of(),");
    }
    appendIjParamSet(ilb, ijParamsInfo);
    ilb.appendLineEnd(",");
    ilb.appendLine("\"", node.getAutoescapeMode().getAttributeValue(), "\");");
    ilb.decreaseIndent(2);
    ilb.decreaseIndent();
    ilb.appendLine("}");
    // ------ Singleton instance and its getter. ------
    ilb.appendLine();
    ilb.appendLine("private static final ", templateInfoClassName, " __INSTANCE__ =");
    ilb.increaseIndent(2);
    ilb.appendLine("new ", templateInfoClassName, "();");
    ilb.decreaseIndent(2);
    ilb.appendLine();
    ilb.appendLine("public static ", templateInfoClassName, " getInstance() {");
    ilb.increaseIndent();
    ilb.appendLine("return __INSTANCE__;");
    ilb.decreaseIndent();
    ilb.appendLine("}");
    // ------ *SoyTemplateInfo class end. ------
    ilb.decreaseIndent();
    ilb.appendLine("}");
    // ------ Static field with instance of *SoyTemplateInfo class. ------
    ilb.appendLine();
    ilb.appendLine("/** Same as ", templateInfoClassName, ".getInstance(). */");
    ilb.appendLine("public static final ", templateInfoClassName, " ", upperUnderscoreName, " =");
    ilb.increaseIndent(2);
    ilb.appendLine(templateInfoClassName, ".getInstance();");
    ilb.decreaseIndent(2);
}

Example 3 with TemplateDelegateNode

use of com.google.template.soy.soytree.TemplateDelegateNode in project closure-templates by google.

the class Inferences method cloneTemplates.

/**
 * Clones a template, changing the name.
 *
 * @return A copy of tn, differing semantically only in name and auto-generated IDs. The new
 *     templates will be available via {@link #lookupTemplates} with the given name.
 */
public List<TemplateNode> cloneTemplates(String baseName, String derivedName, CallNode callNode) {
    if (!lookupTemplates(derivedName).isEmpty()) {
        throw new AssertionError(derivedName + " already has templates: " + lookupTemplates(derivedName));
    }
    ImmutableList.Builder<TemplateNode> b = ImmutableList.builder();
    for (TemplateNode tn : lookupTemplates(baseName)) {
        if (SoyTreeUtils.hasHtmlNodes(tn)) {
            throw SoyAutoescapeException.createWithNode("Non-strict template '" + baseName + "' contains HTML nodes but does not specify the kind. " + "This is no longer allowed, please migrate the template to strict and " + "specify a content kind by adding a kind attribute", callNode);
        }
        SoyFileHeaderInfo soyFileHeaderInfo = tn.getSoyFileHeaderInfo();
        // We trivially clone the template with new ids, this ensures that all the varrefs have proper
        // vardefns assigned.  Then we manually recopy to a new template in order to modify the name.
        // TODO(lukes): we should add direct support for swapping template names to TemplateNode
        // or just eliminate usecases for this method.
        TemplateNode trivialClonedTemplate = SoyTreeUtils.cloneWithNewIds(tn, idGen);
        int cloneId = trivialClonedTemplate.getId();
        // We need to use the unnamespaced name in the command text since we'll be inserting this
        // template into a file node that already has a namespace declaration.
        TemplateNode clone;
        if (tn instanceof TemplateBasicNode) {
            String derivedPartialName = (tn.getPartialTemplateName() != null) ? derivedName.substring(soyFileHeaderInfo.namespace.length()) : null;
            clone = new TemplateBasicNodeBuilder(soyFileHeaderInfo, ErrorReporter.exploding()).setId(cloneId).setSourceLocation(tn.getSourceLocation()).setCmdTextInfo(derivedName, derivedPartialName, tn.getVisibility(), tn.getAutoescapeMode(), tn.getContentKind(), tn.getRequiredCssNamespaces()).addParams(trivialClonedTemplate.getAllParams()).build();
            if (!(derivedName.equals(clone.getTemplateName()) && Objects.equals(derivedPartialName, clone.getPartialTemplateName()))) {
                throw new AssertionError();
            }
        } else if (tn instanceof TemplateDelegateNode) {
            TemplateDelegateNode tdn = (TemplateDelegateNode) tn;
            clone = new TemplateDelegateNodeBuilder(soyFileHeaderInfo, ErrorReporter.exploding()).setId(cloneId).setSourceLocation(tn.getSourceLocation()).setCmdTextInfo(derivedName, tdn.getDelTemplateVariant(), tdn.getDelPriority(), tn.getAutoescapeMode(), tn.getContentKind(), tn.getRequiredCssNamespaces()).addParams(trivialClonedTemplate.getAllParams()).build();
            if (!(derivedName.equals(((TemplateDelegateNode) clone).getDelTemplateName()))) {
                throw new AssertionError();
            }
        } else {
            throw new AssertionError("Unknown template node type: " + tn.getClass());
        }
        clone.addChildren(trivialClonedTemplate.getChildren());
        // Reassign all the local variable data which isn't maintained by the cloning process above.
        clone.setMaxLocalVariableTableSize(tn.getMaxLocalVariableTableSize());
        Iterator<TemplateParam> tnIterator = tn.getAllParams().iterator();
        Iterator<TemplateParam> cloneIterator = clone.getAllParams().iterator();
        while (tnIterator.hasNext()) {
            cloneIterator.next().setLocalVariableIndex(tnIterator.next().localVariableIndex());
        }
        b.add(clone);
    }
    ImmutableList<TemplateNode> clones = b.build();
    templatesByName.putAll(derivedName, clones);
    return clones;
}

Example 4 with TemplateDelegateNode

use of com.google.template.soy.soytree.TemplateDelegateNode in project closure-templates by google.

the class TemplateCompiler method generateTemplateMetadata.

/**
 * Writes a {@link TemplateMetadata} to the generated class.
 */
private void generateTemplateMetadata() {
    SanitizedContentKind contentKind = template.node().getContentKind();
    String kind = contentKind == null ? "" : contentKind.name();
    // using linked hash sets below for determinism
    Set<String> uniqueIjs = new LinkedHashSet<>();
    for (VarRefNode var : getAllNodesOfType(template.node(), VarRefNode.class)) {
        if (var.isInjected()) {
            uniqueIjs.add(var.getName());
        }
    }
    Set<String> callees = new LinkedHashSet<>();
    for (CallBasicNode call : getAllNodesOfType(template.node(), CallBasicNode.class)) {
        callees.add(call.getCalleeName());
    }
    Set<String> delCallees = new LinkedHashSet<>();
    for (CallDelegateNode call : getAllNodesOfType(template.node(), CallDelegateNode.class)) {
        delCallees.add(call.getDelCalleeName());
    }
    TemplateMetadata.DelTemplateMetadata deltemplateMetadata;
    if (template.node().getKind() == SoyNode.Kind.TEMPLATE_DELEGATE_NODE) {
        TemplateDelegateNode delegateNode = (TemplateDelegateNode) template.node();
        deltemplateMetadata = createDelTemplateMetadata(delegateNode.getDelPackageName() == null ? "" : delegateNode.getDelPackageName(), delegateNode.getDelTemplateName(), delegateNode.getDelTemplateVariant());
    } else {
        deltemplateMetadata = createDefaultDelTemplateMetadata();
    }
    TemplateMetadata metadata = createTemplateMetadata(kind, uniqueIjs, callees, delCallees, deltemplateMetadata);
    TEMPLATE_METADATA_REF.write(metadata, writer);
}

Example 5 with TemplateDelegateNode

use of com.google.template.soy.soytree.TemplateDelegateNode in project closure-templates by google.

the class FindTransitiveDepTemplatesVisitor method visitCallDelegateNode.

@Override
protected void visitCallDelegateNode(CallDelegateNode node) {
    // Don't forget to visit content within CallParamContentNodes.
    visitChildren(node);
    // Visit all the possible callee templates.
    ImmutableList<TemplateDelegateNode> potentialCallees = templateRegistry.getDelTemplateSelector().delTemplateNameToValues().get(node.getDelCalleeName());
    for (TemplateDelegateNode delCallee : potentialCallees) {
        processCalleeHelper(delCallee);
    }
}