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Clean up unused methods in SymbolEnter
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@lochana-chathura
lochana-chathura committed Nov 11, 2024
1 parent c29d4e4 commit 7a8795f
Showing 1 changed file with 0 additions and 174 deletions.
174 changes: 0 additions & 174 deletions ...na-lang/src/main/java/org/wso2/ballerinalang/compiler/semantics/analyzer/SymbolEnter.java
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,6 @@
import org.ballerinalang.model.tree.OrderedNode;
import org.ballerinalang.model.tree.TopLevelNode;
import org.ballerinalang.model.tree.TypeDefinition;
import org.ballerinalang.model.tree.statements.StatementNode;
import org.ballerinalang.model.tree.types.TypeNode;
import org.ballerinalang.model.types.TypeKind;
import org.ballerinalang.util.diagnostic.DiagnosticErrorCode;
Expand Down Expand Up @@ -131,7 +130,6 @@
import org.wso2.ballerinalang.compiler.tree.expressions.BLangUnaryExpr;
import org.wso2.ballerinalang.compiler.tree.expressions.BLangXMLAttribute;
import org.wso2.ballerinalang.compiler.tree.expressions.BLangXMLQName;
import org.wso2.ballerinalang.compiler.tree.statements.BLangAssignment;
import org.wso2.ballerinalang.compiler.tree.statements.BLangXMLNSStatement;
import org.wso2.ballerinalang.compiler.tree.types.BLangArrayType;
import org.wso2.ballerinalang.compiler.tree.types.BLangBuiltInRefTypeNode;
Expand Down Expand Up @@ -160,7 +158,6 @@
import org.wso2.ballerinalang.compiler.util.TypeTags;
import org.wso2.ballerinalang.util.Flags;

import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
Expand Down Expand Up @@ -237,7 +234,6 @@ public class SymbolEnter extends BLangNodeVisitor {
private List<BLangNode> unresolvedTypes;
private Set<BLangNode> unresolvedRecordDueToFields;
private boolean resolveRecordsUnresolvedDueToFields;
private List<BLangClassDefinition> unresolvedClasses;
private HashSet<LocationData> unknownTypeRefs;
private List<PackageID> importedPackages;
private int typePrecedence;
Expand All @@ -246,7 +242,6 @@ public class SymbolEnter extends BLangNodeVisitor {
private BLangMissingNodesHelper missingNodesHelper;
private PackageCache packageCache;
private List<BLangNode> intersectionTypes;
private Map<BType, BLangTypeDefinition> typeToTypeDef;

private SymbolEnv env;
private final boolean projectAPIInitiatedCompilation;
Expand Down Expand Up @@ -497,20 +492,6 @@ private void defineConstructs(BLangPackage pkgNode, SymbolEnv pkgEnv) {
typeResolver.clearUnknowTypeRefs();
}

private void defineDependentFields(List<BLangNode> typeDefNodes, SymbolEnv pkgEnv) {
for (BLangNode typeDef : typeDefNodes) {
if (typeDef.getKind() == NodeKind.CLASS_DEFN) {
BLangClassDefinition classDefinition = (BLangClassDefinition) typeDef;
if (isObjectCtor(classDefinition)) {
continue;
}
defineReferencedFieldsOfClassDef(classDefinition, pkgEnv);
} else if (typeDef.getKind() == NodeKind.TYPE_DEFINITION) {
defineReferencedFieldsOfRecordTypeDef((BLangTypeDefinition) typeDef);
}
}
}

public void defineReferencedFieldsOfClassDef(BLangClassDefinition classDefinition, SymbolEnv pkgEnv) {
SymbolEnv typeDefEnv = classDefinition.typeDefEnv;
BObjectTypeSymbol tSymbol = (BObjectTypeSymbol) classDefinition.symbol;
Expand All @@ -519,13 +500,6 @@ public void defineReferencedFieldsOfClassDef(BLangClassDefinition classDefinitio
defineReferencedClassFields(classDefinition, typeDefEnv, objType, false);
}

private void defineIntersectionTypes(SymbolEnv env) {
for (BLangNode typeDescriptor : this.intersectionTypes) {
defineNode(typeDescriptor, env);
}
this.intersectionTypes.clear();
}

private void defineErrorType(Location pos, BErrorType errorType, SymbolEnv env) {
SymbolEnv pkgEnv = symTable.pkgEnvMap.get(env.enclPkg.symbol);
BTypeSymbol errorTSymbol = errorType.tsymbol;
Expand All @@ -534,18 +508,6 @@ private void defineErrorType(Location pos, BErrorType errorType, SymbolEnv env)
if (symResolver.checkForUniqueSymbol(pos, pkgEnv, errorTSymbol)) {
pkgEnv.scope.define(errorTSymbol.name, errorTSymbol);
}

SymbolEnv prevEnv = this.env;
this.env = pkgEnv;
this.env = prevEnv;
}

private boolean isObjectCtor(BLangNode node) {
if (node.getKind() == NodeKind.CLASS_DEFN) {
BLangClassDefinition classDefinition = (BLangClassDefinition) node;
return isObjectCtor(classDefinition);
}
return false;
}

public boolean isObjectCtor(BLangClassDefinition classDefinition) {
Expand Down Expand Up @@ -1239,83 +1201,6 @@ public void visit(BLangXMLNSStatement xmlnsStmtNode) {
defineNode(xmlnsStmtNode.xmlnsDecl, env);
}

private void defineTypeNodes(List<BLangNode> typeDefs, SymbolEnv env) {
if (typeDefs.isEmpty()) {
return;
}

this.unresolvedTypes = new ArrayList<>(typeDefs.size());
this.unresolvedRecordDueToFields = new HashSet<>(typeDefs.size());
this.resolveRecordsUnresolvedDueToFields = false;
for (BLangNode typeDef : typeDefs) {
if (isErrorIntersectionTypeCreatingNewType(typeDef, env)) {
populateUndefinedErrorIntersection((BLangTypeDefinition) typeDef, env);
continue;
}
// if (isObjectCtor(typeDef)) {
// continue;
// }

defineNode(typeDef, env);
}

if (typeDefs.size() <= unresolvedTypes.size()) {

this.resolveRecordsUnresolvedDueToFields = true;
unresolvedTypes.removeAll(unresolvedRecordDueToFields);
for (BLangNode unresolvedType : unresolvedRecordDueToFields) {
defineNode(unresolvedType, env);
}
this.resolveRecordsUnresolvedDueToFields = false;

// This situation can occur due to either a cyclic dependency or at least one of member types in type
// definition node cannot be resolved. So we iterate through each node recursively looking for cyclic
// dependencies or undefined types in type node.

for (BLangNode unresolvedType : unresolvedTypes) {
Deque<String> references = new ArrayDeque<>();
NodeKind unresolvedKind = unresolvedType.getKind();
if (unresolvedKind == NodeKind.TYPE_DEFINITION || unresolvedKind == NodeKind.CONSTANT) {
TypeDefinition def = (TypeDefinition) unresolvedType;
// We need to keep track of all visited types to print cyclic dependency.
references.push(def.getName().getValue());
checkErrors(env, unresolvedType, (BLangNode) def.getTypeNode(), references, false);
} else if (unresolvedType.getKind() == NodeKind.CLASS_DEFN) {
BLangClassDefinition classDefinition = (BLangClassDefinition) unresolvedType;
references.push(classDefinition.getName().getValue());
checkErrors(env, unresolvedType, classDefinition, references, true);
}
}
defineAllUnresolvedCyclicTypesInScope(env);

Set<String> alreadyDefinedTypeDefNames = new HashSet<>();
int unresolvedTypeCount = unresolvedTypes.size();
for (int i = 0; i < unresolvedTypeCount; i++) {
for (BLangNode node : this.unresolvedTypes) {
String name = getTypeOrClassName(node);
boolean symbolNotFound = false;
boolean isTypeOrClassDefinition =
node.getKind() == NodeKind.TYPE_DEFINITION || node.getKind() == NodeKind.CLASS_DEFN;
// Skip the type resolving in the first iteration (i == 0)
// as we want to define the type before trying to resolve it.
if (isTypeOrClassDefinition && i != 0) { // Do not skip the first iteration
BSymbol bSymbol = symResolver.lookupSymbolInMainSpace(env, Names.fromString(name));
symbolNotFound = (bSymbol == symTable.notFoundSymbol);
}

boolean notFoundInList = alreadyDefinedTypeDefNames.add(name);

// Prevent defining already defined type names.
if (notFoundInList || symbolNotFound) {
defineNode(node, env);
}
}
}
return;
}
defineTypeNodes(unresolvedTypes, env);
}

private void populateUndefinedErrorIntersection(BLangTypeDefinition typeDef, SymbolEnv env) {
long flags = 0;
if (typeDef.flagSet.contains(Flag.PUBLIC)) {
Expand Down Expand Up @@ -3821,20 +3706,6 @@ private BType getDetailType(SymbolEnv typeDefEnv, BLangErrorType errorTypeNode)
.orElse(symTable.detailType);
}

public void defineFields(List<BLangNode> typeDefNodes, SymbolEnv pkgEnv) {
for (BLangNode typeDef : typeDefNodes) {
if (typeDef.getKind() == NodeKind.CLASS_DEFN) {
BLangClassDefinition classDefinition = (BLangClassDefinition) typeDef;
if (isObjectCtor(classDefinition)) {
continue;
}
defineFieldsOfClassDef(classDefinition, pkgEnv);
} else if (typeDef.getKind() == NodeKind.TYPE_DEFINITION) {
defineFields((BLangTypeDefinition) typeDef, pkgEnv);
}
}
}

public void defineFieldsOfClassDef(BLangClassDefinition classDefinition, SymbolEnv env) {
SymbolEnv typeDefEnv = SymbolEnv.createClassEnv(classDefinition, classDefinition.symbol.scope, env);
BObjectTypeSymbol tSymbol = (BObjectTypeSymbol) classDefinition.symbol;
Expand Down Expand Up @@ -4661,13 +4532,6 @@ public void defineTypeNarrowedSymbol(Location location, SymbolEnv targetEnv, BVa
defineShadowedSymbol(location, varSymbol, targetEnv);
}

private void defineSymbolWithCurrentEnvOwner(Location pos, BSymbol symbol) {
symbol.scope = new Scope(env.scope.owner);
if (symResolver.checkForUniqueSymbol(pos, env, symbol)) {
env.scope.define(symbol.name, symbol);
}
}

public BVarSymbol defineVarSymbol(Location pos, Set<Flag> flagSet, BType varType, Name varName,
SymbolEnv env, boolean isInternal) {
return defineVarSymbol(pos, flagSet, varType, varName, varName, env, isInternal);
Expand Down Expand Up @@ -4911,39 +4775,6 @@ private void validateResourceFunctionAttachedToObject(BLangFunction funcNode, BO
}
}

private StatementNode createAssignmentStmt(BLangSimpleVariable variable, BVarSymbol varSym, BSymbol fieldVar) {
//Create LHS reference variable
BLangSimpleVarRef varRef = (BLangSimpleVarRef) TreeBuilder.createSimpleVariableReferenceNode();
varRef.pos = variable.pos;
varRef.variableName = (BLangIdentifier) createIdentifier(fieldVar.name.getValue());
varRef.pkgAlias = (BLangIdentifier) TreeBuilder.createIdentifierNode();
varRef.symbol = fieldVar;
varRef.setBType(fieldVar.type);

//Create RHS variable reference
BLangSimpleVarRef exprVar = (BLangSimpleVarRef) TreeBuilder.createSimpleVariableReferenceNode();
exprVar.pos = variable.pos;
exprVar.variableName = (BLangIdentifier) createIdentifier(varSym.name.getValue());
exprVar.pkgAlias = (BLangIdentifier) TreeBuilder.createIdentifierNode();
exprVar.symbol = varSym;
exprVar.setBType(varSym.type);

//Create assignment statement
BLangAssignment assignmentStmt = (BLangAssignment) TreeBuilder.createAssignmentNode();
assignmentStmt.expr = exprVar;
assignmentStmt.pos = variable.pos;
assignmentStmt.setVariable(varRef);
return assignmentStmt;
}

private IdentifierNode createIdentifier(String value) {
IdentifierNode node = TreeBuilder.createIdentifierNode();
if (value != null) {
node.setValue(value);
}
return node;
}

private boolean validateFuncReceiver(BLangFunction funcNode) {
if (funcNode.receiver == null) {
return true;
Expand Down Expand Up @@ -4980,11 +4811,6 @@ private Name getFuncSymbolOriginalName(BLangFunction funcNode) {
return names.originalNameFromIdNode(funcNode.name);
}

private Name getFieldSymbolName(BLangSimpleVariable receiver, BLangSimpleVariable variable) {
return Names.fromString(Symbols.getAttachedFuncSymbolName(
receiver.getBType().tsymbol.name.value, variable.name.value));
}

public MarkdownDocAttachment getMarkdownDocAttachment(BLangMarkdownDocumentation docNode) {
if (docNode == null) {
return new MarkdownDocAttachment(0);
Expand Down

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