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| 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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 8922x 8922x 8922x 8922x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 35097x 8922x 8922x 8485x 8485x 8922x 8922x 202x 202x 8922x 8922x 224x 224x 224x 224x 12x 12x 212x 224x 29x 29x 212x 212x 212x 8922x 8922x 8922x 8922x 29x 18x 18x 11x 11x 29x 2x 2x 29x 29x 9x 9x 9x 9x 29x 1x 29x 3x 3x 3x 3x 29x 5x 5x 5x 5x 29x 29x 1x 1x 1x 1x 29x 4x 4x 4x 8922x 8922x 28x 28x 14x 14x 14x 14x 28x 8922x 8922x | import * as Structures from "../abap/3_structures/structures";
import {Issue} from "../issue";
import {BasicRuleConfig} from "./_basic_rule_config";
import {ABAPRule} from "./_abap_rule";
import {IRuleMetadata, RuleTag} from "./_irule";
import {StatementNode, StructureNode} from "../abap/nodes";
import {ABAPFile} from "../abap/abap_file";
export class IdenticalContentsConf extends BasicRuleConfig {
}
export class IdenticalContents extends ABAPRule {
private conf = new IdenticalContentsConf();
public getMetadata(): IRuleMetadata {
return {
key: "identical_contents",
title: "Identical contents",
shortDescription: `Find identical contents in blocks inside IFs, both in the beginning and in the end.`,
extendedInformation: `
Prerequsites: code is pretty printed with identical cAsE
Chained statments are ignored`,
tags: [RuleTag.SingleFile],
badExample: `IF foo = bar.
WRITE 'bar'.
WRITE 'world'.
ELSE.
WRITE 'foo'.
WRITE 'world'.
ENDIF.`,
goodExample: `IF foo = bar.
WRITE 'bar'.
ELSE.
WRITE 'foo'.
ENDIF.
WRITE 'world'.`,
};
}
public getConfig() {
return this.conf;
}
public setConfig(conf: IdenticalContentsConf) {
this.conf = conf;
}
public runParsed(file: ABAPFile): Issue[] {
let issues: Issue[] = [];
const structure = file.getStructure();
if (structure === undefined) {
return [];
}
for (const i of structure.findAllStructuresRecursive(Structures.If)) {
issues = issues.concat(this.analyzeIf(file, i));
}
return issues;
}
////////////////
private analyzeIf(file: ABAPFile, node: StructureNode): Issue[] {
if (node.getChildren().length !== 4) {
return [];
}
const ifBody = node.findDirectStructure(Structures.Body);
if (node.findDirectStructure(Structures.ElseIf)) {
return [];
}
const elseBody = node.findDirectStructure(Structures.Else)?.findDirectStructure(Structures.Body);
if (elseBody === undefined || ifBody === undefined) {
return [];
}
{
const ifFirst = ifBody.getFirstChild();
const elseFirst = elseBody.getFirstChild();
if (ifFirst === undefined || elseFirst === undefined || this.isChained(ifFirst)) {
return [];
} else if (ifFirst.concatTokens() === elseFirst.concatTokens()) {
const message = "Identical contents";
const issue = Issue.atToken(file, node.getFirstToken(), message, this.getMetadata().key, this.conf.severity);
return [issue];
}
}
{
const ifLast = ifBody.getLastChild();
const elseLast = elseBody.getLastChild();
if (ifLast === undefined || elseLast === undefined || this.isChained(ifLast)) {
return [];
} else if (ifLast.concatTokens() === elseLast.concatTokens()) {
const message = "Identical contents";
const issue = Issue.atToken(file, node.getFirstToken(), message, this.getMetadata().key, this.conf.severity);
return [issue];
}
}
return [];
}
private isChained(node: StructureNode | StatementNode | undefined): boolean {
if (node === undefined) {
return false;
} else if (node instanceof StatementNode) {
return node.getColon() !== undefined;
} else {
return this.isChained(node.getFirstStatement());
}
}
} |