Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 228x 228x 228x 228x 143x 68x 36x 36x 68x 107x 107x 228x 228x 207x 126x 80x 80x 80x 126x 127x 228x 228x 26x 26x 228x 228x 247x 247x 228x 1x 20129x 20129x 20129x 20129x 20129x 20129x 1x 10076x 10076x 10076x 10076x 10076x 10076x 30016x 30016x 30016x 30016x 30016x 30016x 30016x 30016x 30016x 10076x 10076x 9555x 9555x 10076x 10076x 234x 234x 234x 10076x 10076x 257x 257x 257x 10076x 10076x 319x 58x 58x 261x 319x 267x 1536x 6x 6x 1536x 261x 255x 255x 255x 319x 27x 27x 228x 228x 228x 228x 319x 192x 192x 36x 319x 50x 31x 50x 19x 19x 19x 19x 50x 10x 10x 50x 26x 26x 26x 319x 27x 27x 27x 27x 27x 27x 27x 1x 1x 26x 26x 26x 26x 26x 26x 10076x 10076x 10076x 10076x 2230x 2230x 1755x 1755x 2230x 2230x 1755x 1755x 2230x 2230x 10076x 10076x 1755x 1755x 1755x 849x 849x 160x 160x 160x 160x 160x 160x 17x 17x 143x 143x 849x 1755x 1755x 732x 207x 207x 732x 1755x 1755x 1755x 10076x 10076x 26x 5x 5x 21x 21x 10076x | import {Issue} from "../issue";
import {BasicRuleConfig} from "./_basic_rule_config";
import {IRegistry} from "../_iregistry";
import {IRule, IRuleMetadata, RuleTag} from "./_irule";
import {IObject} from "../objects/_iobject";
import {SyntaxLogic} from "../abap/5_syntax/syntax";
import {ABAPObject} from "../objects/_abap_object";
import {ScopeType} from "../abap/5_syntax/_scope_type";
import {TypedIdentifier} from "../abap/types/_typed_identifier";
import {ISpaghettiScopeNode} from "../abap/5_syntax/_spaghetti_scope";
import {EditHelper, IEdit} from "../edit_helper";
import {ReferenceType} from "../abap/5_syntax/_reference";
import {Identifier} from "../abap/4_file_information/_identifier";
import {ABAPFile} from "../abap/abap_file";
import {StatementNode} from "../abap/nodes";
import {Unknown} from "../abap/2_statements/statements/_statement";
class WorkArea {
private readonly workarea: TypedIdentifier[] = [];
public push(id: TypedIdentifier) {
for (const w of this.workarea) {
if (id.equals(w)) {
return;
}
}
this.workarea.push(id);
}
public removeIfExists(id: Identifier) {
for (let i = 0; i < this.workarea.length; i++) {
if (id.equals(this.workarea[i])) {
this.workarea.splice(i, 1);
return;
}
}
}
public get(): readonly TypedIdentifier[] {
return this.workarea;
}
public count(): number {
return this.workarea.length;
}
}
export class UnusedTypesConf extends BasicRuleConfig {
/** skip specific names, case insensitive
* @uniqueItems true
*/
public skipNames?: string[] = [];
}
export class UnusedTypes implements IRule {
private conf = new UnusedTypesConf();
private reg: IRegistry;
private workarea: WorkArea;
public getMetadata(): IRuleMetadata {
return {
key: "unused_types",
title: "Unused types",
shortDescription: `Checks for unused TYPE definitions`,
extendedInformation: `Unused types are not reported if the object contains parser or syntax errors.`,
tags: [RuleTag.Quickfix],
pragma: "##NEEDED",
};
}
public getConfig() {
return this.conf;
}
public setConfig(conf: UnusedTypesConf) {
this.conf = conf;
if (this.conf.skipNames === undefined) {
this.conf.skipNames = [];
}
}
public initialize(reg: IRegistry) {
this.reg = reg;
return this;
}
public run(obj: IObject): Issue[] {
if (!(obj instanceof ABAPObject)) {
return [];
}
for (const file of obj.getABAPFiles()) {
for (const statement of file.getStatements()) {
if (statement.get() instanceof Unknown) {
return []; // contains parser errors
}
}
}
// dont report unused variables when there are syntax errors
const syntax = new SyntaxLogic(this.reg, obj).run();
if (syntax.issues.length > 0) {
return [];
}
this.workarea = new WorkArea();
this.traverse(syntax.spaghetti.getTop(), obj, true);
this.traverse(syntax.spaghetti.getTop(), obj, false);
if (this.workarea.count() === 0) {
return []; // exit early if all types are used in the current object
}
for (const o of this.reg.getObjects()) {
if (o === obj) {
continue;
} else if (o instanceof ABAPObject) {
if (this.reg.isDependency(o)) {
continue; // do not search in dependencies
}
const syntax = new SyntaxLogic(this.reg, o).run();
this.traverse(syntax.spaghetti.getTop(), o, false);
}
if (this.workarea.count() === 0) {
return []; // exit early if all types are used
}
}
// what is left is unused
const ret: Issue[] = [];
for (const t of this.workarea.get()) {
const message = "Type \"" + t.getName() + "\" not used";
const file = obj.getABAPFileByName(t.getFilename());
if (file === undefined) {
continue;
}
const statement = EditHelper.findStatement(t.getToken(), file);
if (statement === undefined) {
continue;
}
if (statement.getPragmas().some(t => t.getStr() === this.getMetadata().pragma)) {
continue;
}
const fix = this.buildFix(file, statement);
ret.push(Issue.atIdentifier(t, message, this.getMetadata().key, this.conf.severity, fix));
}
return ret;
}
////////////////////////////
private traverse(node: ISpaghettiScopeNode, obj: ABAPObject, add: boolean) {
if (node.getIdentifier().stype !== ScopeType.BuiltIn) {
this.checkNode(node, obj, add);
}
for (const c of node.getChildren()) {
this.traverse(c, obj, add);
}
}
private checkNode(node: ISpaghettiScopeNode, obj: ABAPObject, add: boolean) {
const ret: Issue[] = [];
if (add === true) {
const types = node.getData().types;
for (const name in types) {
const identifier = types[name];
if (obj.containsFile(identifier.getFilename()) === false) {
continue;
} else if (this.conf.skipNames
&& this.conf.skipNames.length > 0
&& this.conf.skipNames.some((a) => a.toUpperCase() === name)) {
continue;
} else if (name !== identifier.getName().toUpperCase()) {
continue; // may have aliases via interfaces
}
this.workarea.push(identifier);
}
}
for (const r of node.getData().references) {
if (r.referenceType === ReferenceType.TypeReference && r.resolved) {
this.workarea.removeIfExists(r.resolved);
}
}
return ret;
}
private buildFix(file: ABAPFile, statement: StatementNode): IEdit | undefined {
if (statement.concatTokens().toUpperCase().includes("BEGIN OF")) {
return undefined;
}
return EditHelper.deleteStatement(file, statement);
}
} |