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import {TypedIdentifier} from "../types/_typed_identifier";
import {StatementNode, ExpressionNode} from "../nodes";
import * as Expressions from "../2_statements/expressions";
import * as Statements from "../2_statements/statements";
import * as Types from "../types/basic";
import {CurrentScope} from "./_current_scope";
import {AbstractType} from "../types/basic/_abstract_type";
import {ScopeType} from "./_scope_type";
import {ObjectOriented} from "./_object_oriented";
import {ClassConstant} from "../types/class_constant";
import {Identifier as TokenIdentifier} from "../1_lexer/tokens/identifier";
import {ReferenceType} from "./_reference";
import {CharacterType, ITableKey, ObjectReferenceType, StructureType, TableAccessType, TableType, VoidType} from "../types/basic";
import {FieldChain} from "./expressions/field_chain";
import {ClassDefinition, InterfaceDefinition} from "../types";
import {Field, FieldSub, TypeTableKey} from "../2_statements/expressions";
import {BuiltIn} from "./_builtin";
import {Position} from "../../position";
export class BasicTypes {
private readonly filename: string;
private readonly scope: CurrentScope;
public constructor(filename: string, scope: CurrentScope) {
this.filename = filename;
this.scope = scope;
}
public lookupQualifiedName(name: string | undefined): TypedIdentifier | undefined {
// argh, todo, rewrite this entire method, more argh, again argh
if (name === undefined) {
return undefined;
}
const found = this.scope.findType(name);
if (found) {
return found;
}
if (name.includes("=>")) {
const split = name.split("=>");
const ooName = split[0];
const typeName = split[1];
const oo = this.scope.findObjectDefinition(ooName);
if (oo) {
if (typeName.includes("-")) {
const split = typeName.split("-");
const subTypeName = split[0];
const fieldName = split[1];
const stru = oo.getTypeDefinitions().getByName(subTypeName);
const struType = stru?.getType();
if (stru && struType instanceof StructureType) {
let f = struType.getComponentByName(fieldName);
if (split[2] && f instanceof StructureType) {
f = f.getComponentByName(split[2]);
}
if (f) {
return new TypedIdentifier(stru.getToken(), stru.getFilename(), f);
}
}
} else {
const f = oo.getTypeDefinitions().getByName(typeName);
if (f) {
return f;
}
}
}
} else if (name.includes("-")) {
const split = name.split("-");
const typeName = split[0];
const fieldName = split[1];
const type = this.scope.findType(typeName);
if (type) {
const stru = type.getType();
if (stru instanceof StructureType) {
let f = stru.getComponentByName(fieldName);
if (split[2] && f instanceof StructureType) {
f = f.getComponentByName(split[2]);
}
if (f) {
return new TypedIdentifier(type.getToken(), type.getFilename(), f);
}
}
}
}
const lookup = this.scope.getDDIC().lookupNoVoid(name);
const id = lookup?.object?.getIdentifier();
if (id && lookup?.type) {
return new TypedIdentifier(id.getToken(), id.getFilename(), lookup.type);
}
const builtin = this.scope.getDDIC().lookupBuiltinType(name);
if (builtin) {
return new TypedIdentifier(new TokenIdentifier(new Position(1, 1), name), BuiltIn.filename, builtin);
}
const type = this.scope.findTypePoolType(name);
if (type) {
return type;
}
return undefined;
}
public resolveLikeName(node: ExpressionNode | StatementNode | undefined, headerLogic = true): AbstractType | undefined {
if (node === undefined) {
return undefined;
}
let chain = node.findFirstExpression(Expressions.FieldChain);
if (chain === undefined) {
chain = node.findFirstExpression(Expressions.TypeName);
}
if (chain === undefined) {
chain = node.findFirstExpression(Expressions.FieldSub);
}
if (chain === undefined) {
chain = node.findFirstExpression(Expressions.SimpleFieldChain);
}
if (chain === undefined) {
throw new Error("resolveLikeName, chain undefined");
}
const fullName = chain.concatTokens();
let children = [...chain.getChildren()];
if (children.length === 0) {
return new Types.UnknownType("Type error, could not resolve \"" + fullName + "\", resolveLikeName1");
}
let type: AbstractType | undefined = undefined;
if (children[1] && ( children[1].getFirstToken().getStr() === "=>" || children[1].getFirstToken().getStr() === "->")) {
type = new FieldChain().runSyntax(chain, this.scope, this.filename, ReferenceType.TypeReference);
} else {
const name = children.shift()!.getFirstToken().getStr();
let found = this.scope.findVariable(name);
const full = this.scope.findVariable(fullName); // workaround for eg "sy-repid"
if (full) {
children = [];
found = full;
}
type = found?.getType();
if (found === undefined) {
found = this.scope.findExtraLikeType(name);
type = found?.getType();
}
if (found) {
this.scope.addReference(chain?.getFirstToken(), found, ReferenceType.TypeReference, this.filename);
}
if (type === undefined) {
type = this.scope.getDDIC().lookupNoVoid(name)?.type;
}
if (type === undefined && this.scope.isOO() === false && this.scope.getDDIC().inErrorNamespace(name) === false) {
this.scope.addReference(chain.getChildren()[0].getFirstToken(), undefined, ReferenceType.VoidType, this.filename);
return new Types.VoidType(name);
}
while (children.length > 0) {
const child = children.shift()!;
if (child.getFirstToken().getStr() === "-") {
if (type instanceof Types.VoidType) {
return type;
}
} else if (child.concatTokens() === "[]") {
if (type instanceof Types.TableType) {
type = new TableType(type.getRowType(), {withHeader: false, keyType: Types.TableKeyType.default});
}
} else { // field name
let sub: AbstractType | undefined = undefined;
if (type instanceof Types.TableType) {
type = type.getRowType();
}
if (type instanceof Types.StructureType) {
sub = type.getComponentByName(child.getFirstToken().getStr());
}
if (sub === undefined) {
return new Types.UnknownType("Type error, field not part of structure " + fullName);
}
type = sub;
}
}
if (type instanceof Types.VoidType) {
return type;
} else if (type instanceof TableType
&& type.isWithHeader()
&& headerLogic === true) {
type = type.getRowType();
} else if (type instanceof Types.TableType
&& type.isWithHeader() === true
&& type.getRowType() instanceof Types.VoidType) {
return type.getRowType();
}
}
if (!type) {
return new Types.UnknownType("Type error, could not resolve \"" + fullName + "\", resolveLikeName2");
}
return type;
}
private cloneType(type: AbstractType, qualifiedName?: string): AbstractType {
// nested types(containing "-") will inherit the qualified names if possible
// todo, this needs to be extended to all AbstractTypes instead of just CharacterType
if (type instanceof CharacterType
&& qualifiedName
&& qualifiedName.includes("-") === false) {
type = type.cloneType({qualifiedName});
}
return type;
}
public resolveTypeName(typeName: ExpressionNode | undefined,
length?: number, decimals?: number, qualifiedName?: string): AbstractType | undefined {
if (typeName === undefined) {
return undefined;
}
const chain = this.resolveTypeChain(typeName);
if (chain) {
return this.cloneType(chain, qualifiedName);
}
const chainText = typeName.concatTokens().toUpperCase();
const f = this.scope.getDDIC().lookupBuiltinType(chainText, length, decimals, qualifiedName);
if (f !== undefined) {
return f;
}
const typ = this.scope.findType(chainText);
if (typ) {
const token = typeName.getFirstToken();
if (chainText.includes("~")) {
const name = chainText.split("~")[0];
const idef = this.scope.findInterfaceDefinition(name);
if (idef) {
this.scope.addReference(token, idef, ReferenceType.ObjectOrientedReference, this.filename, {ooType: "INTF", ooName: name});
}
}
this.scope.addReference(token, typ, ReferenceType.TypeReference, this.filename);
return typ.getType();
}
const type = this.scope.findTypePoolType(chainText)?.getType();
if (type) {
// this.scope.addReference(typeName.getFirstToken(), type, ReferenceType.TypeReference, this.filename);
return type;
}
const ddic = this.scope.getDDIC().lookup(chainText);
if (ddic) {
this.scope.getDDICReferences().addUsing(this.scope.getParentObj(),
{object: ddic.object, token: typeName.getFirstToken(), filename: this.filename});
if (ddic.type instanceof TypedIdentifier) {
this.scope.addReference(typeName.getFirstToken(), ddic.type, ReferenceType.TypeReference, this.filename);
} else if (ddic.type instanceof VoidType) {
this.scope.addReference(typeName.getFirstToken(), undefined, ReferenceType.VoidType, this.filename);
}
return this.cloneType(ddic.type, qualifiedName);
}
return undefined;
}
public simpleType(node: StatementNode | ExpressionNode, qualifiedNamePrefix?: string): TypedIdentifier | undefined {
let nameExpr = node.findFirstExpression(Expressions.NamespaceSimpleName);
if (nameExpr === undefined) {
nameExpr = node.findFirstExpression(Expressions.DefinitionName);
}
if (nameExpr === undefined) {
return undefined;
}
let name = nameExpr.getFirstToken();
if (nameExpr.countTokens() > 1) { // workaround for names with dashes
name = new TokenIdentifier(name.getStart(), nameExpr.concatTokens());
}
let qualifiedName: string | undefined = undefined;
if (node.get() instanceof Statements.Type) {
if (this.scope.isTypePool() === true) {
qualifiedName = name.getStr();
} else {
qualifiedName = ( qualifiedNamePrefix || "" ) + name.getStr();
if (this.scope.getType() === ScopeType.ClassDefinition
|| this.scope.getType() === ScopeType.Interface) {
qualifiedName = this.scope.getName() + "=>" + qualifiedName;
}
}
} else if (qualifiedNamePrefix) {
qualifiedName = qualifiedNamePrefix + qualifiedName;
}
const found = this.parseType(node, qualifiedName);
if (found) {
return new TypedIdentifier(name, this.filename, found);
}
return undefined;
}
public parseTable(node: ExpressionNode | StatementNode, name?: string): AbstractType | undefined {
const typename = node.findFirstExpression(Expressions.TypeName);
const text = node.findFirstExpression(Expressions.TypeTable)?.concatTokens().toUpperCase();
if (text === undefined) {
return undefined;
}
let type: Types.TableAccessType | undefined = undefined;
if (text.startsWith("TYPE STANDARD TABLE ")
|| text.startsWith("TYPE TABLE ")
|| text.startsWith("LIKE TABLE ")
|| text.startsWith("LIKE STANDARD TABLE ")) {
type = TableAccessType.standard;
} else if (text.startsWith("TYPE SORTED TABLE ")
|| text.startsWith("LIKE SORTED TABLE ")) {
type = TableAccessType.sorted;
} else if (text.startsWith("TYPE HASHED TABLE ")
|| text.startsWith("LIKE HASHED TABLE ")) {
type = TableAccessType.hashed;
}
const typeTableKeys = node.findAllExpressions(TypeTableKey);
const firstKey = typeTableKeys[0];
const isNamed = firstKey?.findDirectExpression(Field) !== undefined
&& firstKey?.findDirectExpression(Field)?.concatTokens().toUpperCase() !== "PRIMARY_KEY";
const primaryKey: ITableKey = {
name: "primary_key",
type: type || TableAccessType.standard,
isUnique: isNamed ? false : firstKey?.concatTokens().toUpperCase().includes("WITH UNIQUE ") === true,
keyFields: [],
};
let start = 1;
if (isNamed === false) {
for (const k of firstKey?.findDirectExpressions(FieldSub) || []) {
primaryKey.keyFields.push(k.concatTokens().toUpperCase());
}
} else {
start = 0;
}
const secondaryKeys: ITableKey[] = [];
for (let i = start; i < typeTableKeys.length; i++) {
const row = typeTableKeys[i];
const name = row.findDirectExpression(Field)?.concatTokens();
if (name === undefined) {
continue;
}
const secondary: ITableKey = {
name: name,
type: row.findDirectTokenByText("SORTED") ? TableAccessType.sorted : TableAccessType.hashed,
isUnique: row?.concatTokens().toUpperCase().includes("WITH UNIQUE ") === true,
keyFields: [],
};
for (const k of row?.findDirectExpressions(FieldSub) || []) {
secondary.keyFields.push(k.concatTokens().toUpperCase());
}
secondaryKeys.push(secondary);
}
let keyType = Types.TableKeyType.user;
if (text.includes(" EMPTY KEY")) {
keyType = Types.TableKeyType.empty;
} else if (text.includes(" DEFAULT KEY")) {
keyType = Types.TableKeyType.default;
}
const options: Types.ITableOptions = {
withHeader: text.includes(" WITH HEADER LINE"),
keyType: keyType,
primaryKey: primaryKey,
secondary: secondaryKeys,
};
let found: AbstractType | undefined = undefined;
if (text.startsWith("TYPE TABLE OF REF TO ")
|| text.startsWith("TYPE STANDARD TABLE OF REF TO ")
|| text.startsWith("TYPE SORTED TABLE OF REF TO ")
|| text.startsWith("TYPE HASHED TABLE OF REF TO ")) {
found = this.resolveTypeRef(typename);
if (found) {
return new Types.TableType(found, options, name);
}
} else if (text.startsWith("TYPE TABLE OF ")
|| text.startsWith("TYPE STANDARD TABLE OF ")
|| text.startsWith("TYPE SORTED TABLE OF ")
|| text.startsWith("TYPE HASHED TABLE OF ")) {
found = this.resolveTypeName(typename);
if (found) {
return new Types.TableType(found, options, name);
}
} else if (text.startsWith("LIKE TABLE OF ")
|| text.startsWith("LIKE STANDARD TABLE OF ")
|| text.startsWith("LIKE SORTED TABLE OF ")
|| text.startsWith("LIKE HASHED TABLE OF ")) {
found = this.resolveLikeName(node);
if (found) {
return new Types.TableType(found, options, name);
}
} else if (text === "TYPE STANDARD TABLE"
|| text === "TYPE SORTED TABLE"
|| text === "TYPE HASHED TABLE"
|| text === "TYPE INDEX TABLE"
|| text === "TYPE ANY TABLE") {
return new Types.TableType(new Types.AnyType(), options);
} else if (text.startsWith("TYPE RANGE OF ")) {
const sub = node.findFirstExpression(Expressions.TypeName);
found = this.resolveTypeName(sub);
if (found === undefined) {
return new Types.UnknownType("TYPE RANGE OF, could not resolve type");
}
const structure = new Types.StructureType([
{name: "sign", type: new Types.CharacterType(1)},
{name: "option", type: new Types.CharacterType(2)},
{name: "low", type: found},
{name: "high", type: found},
]);
options.primaryKey!.type = TableAccessType.standard;
return new Types.TableType(structure, options, name);
} else if (text.startsWith("LIKE RANGE OF ")) {
const sub = node.findFirstExpression(Expressions.SimpleFieldChain);
found = this.resolveLikeName(sub);
if (found === undefined) {
return new Types.UnknownType("LIKE RANGE OF, could not resolve type");
}
const structure = new Types.StructureType([
{name: "sign", type: new Types.CharacterType(1)},
{name: "option", type: new Types.CharacterType(2)},
{name: "low", type: found},
{name: "high", type: found},
], name);
options.primaryKey!.type = TableAccessType.standard;
return new Types.TableType(structure, options);
} else if (typename && (text.startsWith("TYPE TABLE FOR CREATE ")
|| text.startsWith("TYPE TABLE FOR UPDATE "))) {
const name = typename.concatTokens();
const type = this.scope.getDDIC().lookupDDLS(name)?.type;
if (type) {
return new Types.TableType(new VoidType("RapTodo"), options);
} else if (this.scope.getDDIC().inErrorNamespace(name)) {
return new Types.UnknownType(`DDLS ${name} not found`);
} else {
return new Types.VoidType(name);
}
}
// fallback to old style syntax, OCCURS etc
return this.parseType(node, name);
}
public parseType(node: ExpressionNode | StatementNode, qualifiedName?: string): AbstractType | undefined {
const typeName = node.findFirstExpression(Expressions.TypeName);
let text = node.findFirstExpression(Expressions.Type)?.concatTokens().toUpperCase();
if (text === undefined) {
text = node.findFirstExpression(Expressions.TypeParam)?.concatTokens().toUpperCase();
}
if (text === undefined) {
text = node.findFirstExpression(Expressions.TypeTable)?.concatTokens().toUpperCase();
if (text?.startsWith("TYPE") === false && text?.startsWith("LIKE") === false) {
text = "TYPE";
}
}
if (text === undefined) {
text = node.findFirstExpression(Expressions.FormParamType)?.concatTokens().toUpperCase();
}
if (text === undefined
&& node.get() instanceof Statements.Parameter
&& node.findDirectTokenByText("LIKE")) {
text = "LIKE " + typeName?.concatTokens();
}
if (text === undefined) {
text = "TYPE";
}
let found: AbstractType | undefined = undefined;
if (text.startsWith("LIKE LINE OF ")) {
const name = node.findFirstExpression(Expressions.FieldChain)?.concatTokens();
let e = node.findFirstExpression(Expressions.Type);
if (e === undefined) {
e = node.findFirstExpression(Expressions.FormParamType);
}
if (e === undefined) {
e = node.findFirstExpression(Expressions.FieldChain);
}
const type = this.resolveLikeName(e, false);
if (type === undefined) {
return new Types.UnknownType("Type error, could not resolve \"" + name + "\", parseType");
} else if (type instanceof Types.TableType) {
return type.getRowType();
} else if (type instanceof Types.VoidType) {
return type;
} else {
return new Types.UnknownType("Type error, not a table type " + name);
}
} else if (text.startsWith("LIKE REF TO ")) {
const name = node.findFirstExpression(Expressions.FieldChain)?.concatTokens();
const type = this.resolveLikeName(node.findFirstExpression(Expressions.Type), false);
if (type === undefined) {
return new Types.UnknownType("Type error, could not resolve \"" + name + "\", parseType");
}
return new Types.DataReference(type, name);
} else if (text === "TYPE STANDARD TABLE"
|| text === "TYPE SORTED TABLE"
|| text === "TYPE HASHED TABLE"
|| text === "TYPE INDEX TABLE"
|| text === "TYPE ANY TABLE") {
return new Types.TableType(new Types.AnyType(), {withHeader: node.concatTokens().toUpperCase().includes("WITH HEADER LINE"), keyType: Types.TableKeyType.default});
} else if (text.startsWith("LIKE ")) {
let sub = node.findFirstExpression(Expressions.Type);
if (sub === undefined) {
sub = node.findFirstExpression(Expressions.FormParamType);
}
if (sub === undefined) {
sub = node.findFirstExpression(Expressions.TypeParam);
}
if (sub === undefined) {
sub = node.findFirstExpression(Expressions.FieldChain);
}
if (sub === undefined) {
sub = node.findFirstExpression(Expressions.TypeName);
}
found = this.resolveLikeName(sub);
if (found && this.isOccurs(node)) {
found = new Types.TableType(found, {withHeader: text.includes("WITH HEADER LINE"), keyType: Types.TableKeyType.default}, qualifiedName);
}
} else if (text.startsWith("TYPE LINE OF ")) {
const sub = node.findFirstExpression(Expressions.TypeName);
found = this.resolveTypeName(sub);
if (found instanceof TypedIdentifier) {
found = found.getType();
}
if (found instanceof Types.TableType) {
return found.getRowType();
} else if (found instanceof Types.VoidType) {
return found;
} else if (found instanceof Types.UnknownType) {
return new Types.UnknownType("TYPE LINE OF, unknown type, " + found.getError());
} else {
return new Types.UnknownType("TYPE LINE OF, unexpected type, " + found?.constructor.name);
}
} else if (text.startsWith("TYPE REF TO ")) {
found = this.resolveTypeRef(typeName);
} else if (text.startsWith("TYPE")) {
found = this.resolveTypeName(typeName, this.findLength(node), this.findDecimals(node), qualifiedName);
const concat = node.concatTokens().toUpperCase();
if (found && this.isOccurs(node)) {
found = new Types.TableType(found, {withHeader: concat.includes(" WITH HEADER LINE"), keyType: Types.TableKeyType.default}, qualifiedName);
} else if (found && concat.includes(" WITH HEADER LINE")) {
if (found instanceof Types.VoidType) {
found = new Types.TableType(found, {withHeader: true, keyType: Types.TableKeyType.default});
} else if (!(found instanceof Types.TableType)) {
throw new Error("WITH HEADER LINE can only be used with internal table");
} else {
found = new Types.TableType(found.getRowType(), {withHeader: true, keyType: Types.TableKeyType.default});
}
}
if (found === undefined && typeName === undefined) {
let length = 1;
const len = node.findDirectExpression(Expressions.ConstantFieldLength);
if (len) {
const int = len.findDirectExpression(Expressions.Integer);
if (int) {
length = parseInt(int.concatTokens(), 10);
}
}
found = new Types.CharacterType(length, {qualifiedName: qualifiedName}); // fallback
if (this.isOccurs(node)) {
found = new Types.TableType(found, {withHeader: concat.includes(" WITH HEADER LINE"), keyType: Types.TableKeyType.default}, qualifiedName);
}
}
}
return found;
}
/////////////////////
private isOccurs(node: ExpressionNode | StatementNode): boolean {
if (node.findDirectTokenByText("OCCURS")) {
return true;
} else if (node.findFirstExpression(Expressions.TypeTable)?.findDirectTokenByText("OCCURS")) {
return true;
}
return false;
}
// todo, rewrite this method
private resolveTypeChain(expr: ExpressionNode): AbstractType | undefined {
const chainText = expr.concatTokens().toUpperCase();
if (chainText.includes("-")) {
// workaround for stuff like "sy-repid"
const built = this.scope.findType(chainText);
if (built) {
this.scope.addReference(expr.getFirstToken(), built, ReferenceType.TypeReference, this.filename);
return built.getType();
}
} else if (chainText.includes("=>") === false && chainText.includes("-") === false) {
return undefined;
}
let className: string | undefined;
let rest = chainText;
if (chainText.includes("=>")) {
const split = chainText.split("=>");
className = split[0];
rest = split[1];
} else if (chainText.includes("->")) {
const split = chainText.split("->");
className = split[0];
rest = split[1];
}
const subs = rest.split("-");
let foundType: AbstractType | undefined = undefined;
if (className && chainText.includes("=>")) {
const split = chainText.split("=>");
const className = split[0];
// the prefix might be itself
if ((this.scope.getType() === ScopeType.Interface
|| this.scope.getType() === ScopeType.ClassDefinition)
&& this.scope.getName().toUpperCase() === className.toUpperCase()) {
const foundId = this.scope.findType(subs[0]);
foundType = foundId?.getType();
if (foundType === undefined) {
return new Types.UnknownType("Could not resolve type " + chainText);
}
this.scope.addReference(expr.getTokens()[2], foundId, ReferenceType.TypeReference, this.filename);
} else {
// lookup in local and global scope
const obj = this.scope.findObjectDefinition(className);
if (obj === undefined && this.scope.getDDIC().inErrorNamespace(className) === false) {
this.scope.addReference(expr.getFirstToken(), undefined,
ReferenceType.ObjectOrientedVoidReference, this.filename, {ooName: className.toUpperCase()});
return new Types.VoidType(className);
} else if (obj === undefined) {
return new Types.UnknownType("Could not resolve top " + className + ", resolveTypeChain");
}
const type = obj instanceof ClassDefinition ? "CLAS" : "INTF";
this.scope.addReference(expr.getFirstToken(), obj, ReferenceType.ObjectOrientedReference, this.filename,
{ooType: type, ooName: className});
const byName = new ObjectOriented(this.scope).searchTypeName(obj, subs[0]);
foundType = byName?.getType();
if (byName === undefined || foundType === undefined) {
return new Types.UnknownType(subs[0] + " not found in class or interface");
}
this.scope.addReference(expr.getTokens()[2], byName, ReferenceType.TypeReference, this.filename);
}
} else if (className && chainText.includes("->")) {
const varVar = this.scope.findVariable(className);
const foo = varVar?.getType();
if (foo instanceof ObjectReferenceType) {
const typeName = subs[0];
let id = foo.getIdentifier();
if (!(id instanceof ClassDefinition || id instanceof InterfaceDefinition)) {
const found = this.scope.findObjectDefinition(foo.getIdentifierName());
if (found) {
id = found;
} else {
return new Types.UnknownType(foo.getIdentifierName() + " not found in scope");
}
}
if (id instanceof ClassDefinition || id instanceof InterfaceDefinition) {
const type = id instanceof ClassDefinition ? "CLAS" : "INTF";
this.scope.addReference(expr.getFirstToken(), id, ReferenceType.ObjectOrientedReference, this.filename,
{ooType: type, ooName: id.getName()});
const byName = new ObjectOriented(this.scope).searchTypeName(id, typeName);
foundType = byName?.getType();
if (byName === undefined || foundType === undefined) {
return new Types.UnknownType(typeName + " not found in class or interface");
}
this.scope.addReference(expr.getTokens()[2], byName, ReferenceType.TypeReference, this.filename);
} else {
return new Types.UnknownType("Not an object reference, " + className + ", " + id.constructor.name);
}
} else if (foo === undefined) {
return new Types.UnknownType(className + " not found in scope");
} else {
return new Types.UnknownType("Not an object reference, " + className + ", " + foo.constructor.name);
}
} else {
const found = this.scope.findType(subs[0]);
foundType = found?.getType();
if (foundType === undefined) {
const typePoolType = this.scope.findTypePoolType(subs[0])?.getType();
if (typePoolType) {
// this.scope.addReference(typeName.getFirstToken(), typePoolType, ReferenceType.TypeReference, this.filename);
foundType = typePoolType;
}
if (foundType === undefined) {
const f = this.scope.getDDIC().lookupTableOrView(subs[0]);
this.scope.getDDICReferences().addUsing(this.scope.getParentObj(),
{object: f.object, filename: this.filename, token: expr.getFirstToken()});
if (f.type instanceof TypedIdentifier) {
foundType = f.type.getType();
} else {
foundType = f.type;
}
}
} else {
this.scope.addReference(expr.getFirstToken(), found, ReferenceType.TypeReference, this.filename);
}
if (foundType === undefined && this.scope.getDDIC().inErrorNamespace(subs[0]) === false) {
this.scope.addReference(expr.getFirstToken(), undefined, ReferenceType.VoidType, this.filename);
return new Types.VoidType(subs[0]);
} else if (foundType instanceof Types.VoidType) {
this.scope.addReference(expr.getFirstToken(), undefined, ReferenceType.VoidType, this.filename);
return foundType;
} else if (foundType === undefined) {
return new Types.UnknownType("Unknown type " + subs[0]);
}
}
subs.shift();
while (subs.length > 0) {
if (foundType instanceof Types.UnknownType
|| foundType instanceof Types.VoidType) {
return foundType;
} else if (!(foundType instanceof Types.StructureType)) {
return new Types.UnknownType("Not a structured type");
}
foundType = foundType.getComponentByName(subs[0]);
if (foundType === undefined) {
return new Types.UnknownType(`Field "${subs[0]}" not found in structure`);
}
subs.shift();
}
return foundType;
}
private resolveConstantValue(expr: ExpressionNode): string | undefined {
// todo: rewrite this method
if (!(expr.get() instanceof Expressions.SimpleFieldChain)) {
throw new Error("resolveConstantValue");
}
const firstNode = expr.getFirstChild()!;
const firstToken = firstNode.getFirstToken();
const firstName = firstToken.getStr();
if (firstNode.get() instanceof Expressions.Field) {
const found = this.scope.findVariable(firstName);
const val = found?.getValue();
if (typeof val === "string") {
this.scope.addReference(firstToken, found, ReferenceType.DataReadReference, this.filename);
return val;
} else if (found?.getType() instanceof StructureType) {
this.scope.addReference(firstToken, found, ReferenceType.DataReadReference, this.filename);
}
return undefined;
} else if (firstNode.get() instanceof Expressions.ClassName
&& firstName.toLowerCase() === this.scope.getName().toLowerCase()
&& (this.scope.getType() === ScopeType.Interface
|| this.scope.getType() === ScopeType.ClassDefinition)) {
const children = expr.getChildren();
const token = children[2]?.getFirstToken();
const found = this.scope.findVariable(token.getStr());
const val = found?.getValue();
if (typeof val === "string") {
this.scope.addReference(firstToken, found, ReferenceType.DataReadReference, this.filename);
return val;
}
return undefined;
} else if (firstNode.get() instanceof Expressions.ClassName) {
const obj = this.scope.findObjectDefinition(firstName);
if (obj === undefined) {
if (this.scope.existsObject(firstName).found === true) {
return undefined;
} else if (this.scope.getDDIC().inErrorNamespace(firstName) === true) {
throw new Error("resolveConstantValue, not found: " + firstName);
} else {
this.scope.addReference(firstNode.getFirstToken(), undefined,
ReferenceType.ObjectOrientedVoidReference, this.filename, {ooName: firstName.toUpperCase()});
return undefined;
}
}
const children = expr.getChildren();
const token = children[2]?.getFirstToken();
const attr = token.getStr();
const c = new ObjectOriented(this.scope).searchConstantName(obj, attr);
if (c instanceof ClassConstant) {
this.scope.addReference(token, c, ReferenceType.DataReadReference, this.filename);
const val = c.getValue();
if (typeof val === "string") {
return val;
} else if (typeof val === "object" && children[4]) {
const name = children[4].getFirstToken().getStr();
if (val[name] !== undefined) {
return val[name];
}
}
return undefined;
}
throw new Error("resolveConstantValue, constant not found " + attr);
} else {
throw new Error("resolveConstantValue, unexpected structure");
}
}
private resolveTypeRef(chain: ExpressionNode | undefined): AbstractType | undefined {
if (chain === undefined) {
return undefined;
}
const name = chain.getFirstToken().getStr();
if (chain.getAllTokens().length === 1) {
if (name.toUpperCase() === "OBJECT") {
return new Types.GenericObjectReferenceType();
}
const search = this.scope.existsObject(name);
if (search.found === true && search.id) {
this.scope.addReference(chain.getFirstToken(), search.id, ReferenceType.ObjectOrientedReference, this.filename,
{ooType: search.ooType, ooName: name});
return new Types.ObjectReferenceType(search.id, {qualifiedName: name, RTTIName: search.RTTIName});
}
}
const found = this.resolveTypeName(chain);
if (found && !(found instanceof Types.UnknownType) && !(found instanceof Types.VoidType)) {
return new Types.DataReference(found);
} else if (chain.concatTokens().toUpperCase() === "DATA") {
return new Types.DataReference(new Types.AnyType());
}
if (this.scope.isBadiDef(name) === true) {
return new Types.VoidType(name);
}
if (this.scope.getDDIC()?.inErrorNamespace(name) === false) {
// this.scope.addReference(chain.getFirstToken(), undefined, ReferenceType.VoidType, this.filename);
return new Types.VoidType(name);
}
return new Types.UnknownType("REF, unable to resolve " + name);
}
public findValue(node: StatementNode | ExpressionNode): string | undefined {
const val = node.findFirstExpression(Expressions.Value);
if (val === undefined) {
throw new Error("VALUE missing in expression");
}
if (val.concatTokens().toUpperCase() === "VALUE IS INITIAL") {
return undefined;
}
const constant = val.findFirstExpression(Expressions.Constant);
if (constant) {
const conc = val.findFirstExpression(Expressions.ConcatenatedConstant);
if (conc) {
const first = conc.getFirstToken().getStr().substring(0, 1);
let result = "";
for (const token of conc.getAllTokens()) {
if (token.getStr() === "&") {
continue;
} else {
result += token.getStr().substring(1, token.getStr().length - 1);
}
}
return first + result + first;
} else {
return constant.concatTokens();
}
}
const chain = val.findFirstExpression(Expressions.SimpleFieldChain);
if (chain) {
return this.resolveConstantValue(chain);
}
throw new Error("findValue, unexpected");
}
private findDecimals(node: StatementNode | ExpressionNode): number | undefined {
const dec = node.findDirectExpression(Expressions.Decimals)?.findDirectExpression(Expressions.Integer)?.concatTokens();
if (dec) {
return parseInt(dec, 10);
}
return undefined;
}
private findLength(node: StatementNode | ExpressionNode): number | undefined {
const val = node.findFirstExpression(Expressions.Length);
const flen = node.findFirstExpression(Expressions.ConstantFieldLength);
if (val && flen) {
throw new Error("Only specify length once");
}
if (flen) {
const cintExpr = flen.findFirstExpression(Expressions.Integer);
if (cintExpr) {
return this.parseInt(cintExpr.concatTokens());
}
const cchain = flen.findFirstExpression(Expressions.SimpleFieldChain);
if (cchain) {
const val = this.resolveConstantValue(cchain);
return this.parseInt(val);
}
}
if (val === undefined) {
return 1;
}
const intExpr = val.findFirstExpression(Expressions.Integer);
if (intExpr) {
return this.parseInt(intExpr.concatTokens());
}
const strExpr = val.findFirstExpression(Expressions.ConstantString);
if (strExpr) {
return this.parseInt(strExpr.concatTokens());
}
const chain = val.findFirstExpression(Expressions.SimpleFieldChain);
if (chain) {
const val = this.resolveConstantValue(chain);
return this.parseInt(val);
}
throw new Error("Unexpected, findLength");
}
private parseInt(text: string | undefined): number | undefined {
if (text === undefined) {
return undefined;
}
if (text.startsWith("'")) {
text = text.split("'")[1];
} else if (text.startsWith("`")) {
text = text.split("`")[1];
}
return parseInt(text, 10);
}
} |