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import {BasicRuleConfig} from "./_basic_rule_config";
import {ABAPRule} from "./_abap_rule";
import {ExpressionNode, StatementNode} from "../abap/nodes";
import * as Expressions from "../abap/2_statements/expressions";
import {IRuleMetadata, RuleTag} from "./_irule";
import {ABAPFile} from "../abap/abap_file";
import {ABAPObject} from "../objects/_abap_object";
export class KeepSingleParameterCallsOnOneLineConf extends BasicRuleConfig {
/** Max line length, in characters */
public length: number = 120;
}
export class KeepSingleParameterCallsOnOneLine extends ABAPRule {
private conf = new KeepSingleParameterCallsOnOneLineConf();
public getMetadata(): IRuleMetadata {
return {
key: "keep_single_parameter_on_one_line",
title: "Keep single parameters on one line",
shortDescription: `Keep single parameter calls on one line`,
extendedInformation: `https://github.com/SAP/styleguides/blob/main/clean-abap/CleanABAP.md#keep-single-parameter-calls-on-one-line`,
tags: [RuleTag.Whitespace, RuleTag.Styleguide, RuleTag.SingleFile],
badExample: `call_method(\n 2 ).`,
goodExample: `call_method( 2 ).`,
};
}
public getConfig() {
return this.conf;
}
public setConfig(conf: KeepSingleParameterCallsOnOneLineConf) {
this.conf = conf;
}
public runParsed(file: ABAPFile, obj: ABAPObject): Issue[] {
let issues: Issue[] = [];
if (obj.getType() === "INTF") {
return [];
}
const stru = file.getStructure();
if (stru === undefined) {
return [];
}
for (const s of file.getStatements()) {
if (this.isMultiLine(s) === false
|| this.calcStatementLength(s) > this.getConfig().length
|| this.containsNewLineValue(s)
|| this.containsNewLineTableExpression(s)
|| this.containsFieldAssigments(s)
|| this.containsNewLineTemplate(s)) {
continue;
}
for (const c of s.findAllExpressions(Expressions.MethodCallParam)) {
issues = issues.concat(this.check(c, file));
}
}
return issues;
}
///////////////////////////////////////
private containsFieldAssigments(s: StatementNode): boolean {
const fs = s.findAllExpressions(Expressions.FieldAssignment);
return fs.length > 1;
}
private containsNewLineTableExpression(s: StatementNode): boolean {
for (const st of s.findAllExpressions(Expressions.TableExpression)) {
if (st.getFirstToken().getRow() !== st.getLastToken().getRow()) {
return true;
}
}
return false;
}
private containsNewLineValue(s: StatementNode): boolean {
for (const st of s.findAllExpressions(Expressions.Source)) {
const first = st.getFirstToken().getStr().toUpperCase();
if (first === "VALUE" && st.getFirstToken().getRow() !== st.getLastToken().getRow()) {
return true;
}
}
return false;
}
private containsNewLineTemplate(s: StatementNode): boolean {
for (const st of s.findAllExpressions(Expressions.StringTemplate)) {
for (const t of st.getAllTokens()) {
if (t.getStr().includes("\\n")) {
return true;
}
}
}
return false;
}
private check(c: ExpressionNode, file: ABAPFile): Issue[] {
if (this.isSingleParameter(c) === true && this.isMultiLine(c) === true) {
for (const sub of c.findAllExpressions(Expressions.MethodCallParam)) {
if (this.isSingleParameter(sub) === false
&& this.isWithoutParameters(sub) === false) {
return [];
}
}
const message = "Keep single parameter on one line";
return [Issue.atToken(file, c.getFirstToken(), message, this.getMetadata().key, this.conf.severity)];
}
return [];
}
// including first indentation, worst case calculation add space after each token
private calcStatementLength(c: StatementNode): number {
let length = 0;
for (const t of c.getTokens()) {
if (length === 0) {
length = length + t.getStart().getCol();
}
length = length + t.getStr().length + 1;
}
return length;
}
private isMultiLine(c: ExpressionNode | StatementNode): boolean {
const first = c.getFirstToken();
const last = c.getLastToken();
return first.getStart().getRow() < last.getStart().getRow();
}
private isWithoutParameters(c: ExpressionNode): boolean {
return c.getChildren().length === 2;
}
private isSingleParameter(c: ExpressionNode): boolean {
if (c.findDirectExpression(Expressions.Source)) {
for (const params of c.findAllExpressions(Expressions.ParameterListS)) {
if (params.getChildren().length > 1) {
return false;
}
}
return true;
}
const list = c.findDirectExpression(Expressions.ParameterListS);
if (list) {
return list.getChildren().length === 1;
}
const param = c.findDirectExpression(Expressions.MethodParameters);
if (param) {
if (param.getChildren().length > 2) {
return false;
}
const paramsource = param.findDirectExpression(Expressions.ParameterListS);
if (paramsource && paramsource.getChildren().length === 1) {
return true;
}
const paramtarget = param.findDirectExpression(Expressions.ParameterListT);
if (paramtarget && paramtarget.getChildren().length === 1) {
return true;
}
}
return false;
}
} |