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40x 295x 335x 184x 184x 184x 184x 184x 335x 113x 113x 337x 41x 337x 72x 337x 1x 1x 71x 337x 53x 53x 53x 18x 18x 18x 1x 1x 233x 233x 4x 4x 229x 233x 4x 4x 225x 225x 233x 205x 205x 2x 2x 2x 6x 2x 6x 4x 4x 6x 2x 205x 203x 203x 205x 20x 20x 20x 20x 20x 1x 1x 2827x 2827x 5x 5x 2822x 2822x 1x 1x 2828x 2828x 2828x 2828x 1x 1x 2827x 2828x 135x 135x 135x 135x 135x 2692x 2828x 2442x 2442x 250x 250x 2828x 244x 244x 6x 6x 2828x 2x 2x 4x 4x 4x 4x 4x 4x 1x 1x 385x 1x 1x 384x 385x 1x 385x 1x 1x 384x 384x 384x 1x 1x | 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 {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";
import {SyntaxInput} from "./_syntax_input";
export class BasicTypes {
private readonly input: SyntaxInput;
public constructor(input: SyntaxInput) {
this.input = input;
}
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.input.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.input.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.input.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.input.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.input.scope.getDDIC().lookupBuiltinType(name);
if (builtin) {
return new TypedIdentifier(new TokenIdentifier(new Position(1, 1), name), BuiltIn.filename, builtin);
}
const type = this.input.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.input, ReferenceType.TypeReference);
} else {
const name = children.shift()!.getFirstToken().getStr();
let found = this.input.scope.findVariable(name);
const full = this.input.scope.findVariable(fullName); // workaround for eg "sy-repid"
if (full) {
children = [];
found = full;
}
type = found?.getType();
if (found === undefined) {
found = this.input.scope.findExtraLikeType(name);
type = found?.getType();
}
if (found) {
this.input.scope.addReference(chain?.getFirstToken(), found, ReferenceType.TypeReference, this.input.filename);
}
if (type === undefined) {
type = this.input.scope.getDDIC().lookupNoVoid(name)?.type;
}
if (type === undefined && this.input.scope.isOO() === false && this.input.scope.getDDIC().inErrorNamespace(name) === false) {
this.input.scope.addReference(chain.getChildren()[0].getFirstToken(), undefined, ReferenceType.VoidType, this.input.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
if (type instanceof Types.TableType) {
type = type.getRowType();
}
if (type instanceof Types.StructureType) {
type = type.getComponentByName(child.getFirstToken().getStr());
if (type === undefined) {
return new Types.UnknownType("Type error, field not part of structure " + fullName);
}
} else if (!(type instanceof Types.VoidType)) {
return new Types.UnknownType("Type error, field not part of structure " + fullName);
}
}
}
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.input.scope.getDDIC().lookupBuiltinType(chainText, length, decimals, qualifiedName);
if (f !== undefined) {
return f;
}
const typ = this.input.scope.findType(chainText);
if (typ) {
const token = typeName.getFirstToken();
if (chainText.includes("~")) {
const name = chainText.split("~")[0];
const idef = this.input.scope.findInterfaceDefinition(name);
if (idef) {
this.input.scope.addReference(token, idef, ReferenceType.ObjectOrientedReference, this.input.filename, {ooType: "INTF", ooName: name});
}
}
this.input.scope.addReference(token, typ, ReferenceType.TypeReference, this.input.filename);
return typ.getType();
}
const type = this.input.scope.findTypePoolType(chainText)?.getType();
if (type) {
// this.scope.addReference(typeName.getFirstToken(), type, ReferenceType.TypeReference, this.filename);
return type;
}
const ddic = this.input.scope.getDDIC().lookup(chainText);
if (ddic) {
this.input.scope.getDDICReferences().addUsing(this.input.scope.getParentObj(),
{object: ddic.object, token: typeName.getFirstToken(), filename: this.input.filename});
if (ddic.type instanceof TypedIdentifier) {
this.input.scope.addReference(typeName.getFirstToken(), ddic.type, ReferenceType.TypeReference, this.input.filename);
} else if (ddic.type instanceof VoidType) {
this.input.scope.addReference(typeName.getFirstToken(), undefined, ReferenceType.VoidType, this.input.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.input.scope.isTypePool() === true) {
qualifiedName = name.getStr();
} else {
qualifiedName = ( qualifiedNamePrefix || "" ) + name.getStr();
if (this.input.scope.getType() === ScopeType.ClassDefinition
|| this.input.scope.getType() === ScopeType.Interface) {
qualifiedName = this.input.scope.getName() + "=>" + qualifiedName;
}
}
} else if (qualifiedNamePrefix) {
qualifiedName = qualifiedNamePrefix + qualifiedName;
}
const found = this.parseType(node, qualifiedName);
if (found) {
return new TypedIdentifier(name, this.input.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.FieldChain);
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.input.scope.getDDIC().lookupDDLS(name)?.type;
if (type) {
return new Types.TableType(new VoidType("RapTodo"), options);
} else if (this.input.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.input.scope.findType(chainText);
if (built) {
this.input.scope.addReference(expr.getFirstToken(), built, ReferenceType.TypeReference, this.input.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.input.scope.getType() === ScopeType.Interface
|| this.input.scope.getType() === ScopeType.ClassDefinition)
&& this.input.scope.getName().toUpperCase() === className.toUpperCase()) {
const foundId = this.input.scope.findType(subs[0]);
foundType = foundId?.getType();
if (foundType === undefined) {
return new Types.UnknownType("Could not resolve type " + chainText);
}
const token = expr.getChildren()[2]?.getFirstToken();
if (token) {
this.input.scope.addReference(token, foundId, ReferenceType.TypeReference, this.input.filename);
}
} else {
// lookup in local and global scope
const obj = this.input.scope.findObjectDefinition(className);
if (obj === undefined && this.input.scope.getDDIC().inErrorNamespace(className) === false) {
this.input.scope.addReference(
expr.getFirstToken(), undefined,
ReferenceType.ObjectOrientedVoidReference, this.input.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.input.scope.addReference(
expr.getFirstToken(), obj, ReferenceType.ObjectOrientedReference, this.input.filename,
{ooType: type, ooName: className});
const byName = new ObjectOriented(this.input.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");
}
const token = expr.getChildren()[2]?.getFirstToken();
if (token) {
this.input.scope.addReference(token, byName, ReferenceType.TypeReference, this.input.filename);
}
}
} else if (className && chainText.includes("->")) {
const varVar = this.input.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.input.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.input.scope.addReference(
expr.getFirstToken(), id, ReferenceType.ObjectOrientedReference, this.input.filename,
{ooType: type, ooName: id.getName()});
const byName = new ObjectOriented(this.input.scope).searchTypeName(id, typeName);
foundType = byName?.getType();
if (byName === undefined || foundType === undefined) {
return new Types.UnknownType(typeName + " not found in class or interface");
}
const token = expr.getChildren()[2]?.getFirstToken();
if (token) {
this.input.scope.addReference(token, byName, ReferenceType.TypeReference, this.input.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.input.scope.findType(subs[0]);
foundType = found?.getType();
if (foundType === undefined) {
const typePoolType = this.input.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.input.scope.getDDIC().lookupTableOrView(subs[0]);
this.input.scope.getDDICReferences().addUsing(
this.input.scope.getParentObj(),
{object: f.object, filename: this.input.filename, token: expr.getFirstToken()});
if (f.type instanceof TypedIdentifier) {
foundType = f.type.getType();
} else {
foundType = f.type;
}
}
} else {
this.input.scope.addReference(expr.getFirstToken(), found, ReferenceType.TypeReference, this.input.filename);
}
if (foundType === undefined && this.input.scope.getDDIC().inErrorNamespace(subs[0]) === false) {
this.input.scope.addReference(expr.getFirstToken(), undefined, ReferenceType.VoidType, this.input.filename);
return new Types.VoidType(subs[0]);
} else if (foundType instanceof Types.VoidType) {
this.input.scope.addReference(expr.getFirstToken(), undefined, ReferenceType.VoidType, this.input.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.input.scope.findVariable(firstName);
const val = found?.getValue();
if (typeof val === "string") {
this.input.scope.addReference(firstToken, found, ReferenceType.DataReadReference, this.input.filename);
return val;
} else if (found?.getType() instanceof StructureType) {
this.input.scope.addReference(firstToken, found, ReferenceType.DataReadReference, this.input.filename);
}
return undefined;
} else if (firstNode.get() instanceof Expressions.ClassName
&& firstName.toLowerCase() === this.input.scope.getName().toLowerCase()
&& (this.input.scope.getType() === ScopeType.Interface
|| this.input.scope.getType() === ScopeType.ClassDefinition)) {
const children = expr.getChildren();
const token = children[2]?.getFirstToken();
const found = this.input.scope.findVariable(token.getStr());
const val = found?.getValue();
if (typeof val === "string") {
this.input.scope.addReference(firstToken, found, ReferenceType.DataReadReference, this.input.filename);
return val;
}
return undefined;
} else if (firstNode.get() instanceof Expressions.ClassName) {
const obj = this.input.scope.findObjectDefinition(firstName);
if (obj === undefined) {
if (this.input.scope.existsObject(firstName) !== undefined) {
return undefined;
} else if (this.input.scope.getDDIC().inErrorNamespace(firstName) === true) {
throw new Error("resolveConstantValue, not found: " + firstName);
} else {
this.input.scope.addReference(
firstNode.getFirstToken(), undefined,
ReferenceType.ObjectOrientedVoidReference, this.input.filename, {ooName: firstName.toUpperCase()});
return undefined;
}
}
const children = expr.getChildren();
const token = children[2]?.getFirstToken();
const attr = token.getStr();
const c = new ObjectOriented(this.input.scope).searchConstantName(obj, attr);
if (c instanceof ClassConstant) {
this.input.scope.addReference(firstToken, obj, ReferenceType.ObjectOrientedReference, this.input.filename, {ooName: obj.getName()});
this.input.scope.addReference(token, c, ReferenceType.DataReadReference, this.input.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.getChildren().length === 1) {
if (name.toUpperCase() === "OBJECT") {
return new Types.GenericObjectReferenceType();
}
const search = this.input.scope.existsObject(name);
if (search?.id) {
this.input.scope.addReference(
chain.getFirstToken(), search.id, ReferenceType.ObjectOrientedReference, this.input.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.DataType());
}
if (this.input.scope.isBadiDef(name) === true) {
return new Types.VoidType(name);
}
if (this.input.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);
}
} |