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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 22430x 22430x 22430x 22430x 1x 11216x 11216x 11216x 11216x 11216x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 33496x 11216x 11216x 7x 7x 11216x 11216x 10730x 10730x 11216x 11216x 227x 227x 11216x 11216x 251x 251x 251x 251x 20x 20x 231x 231x 251x 53x 53x 231x 231x 231x 251x 1302x 1302x 1302x 1302x 1x 1302x 236x 1301x 20x 10x 10x 10x 20x 20x 3x 3x 7x 7x 1302x 231x 231x 231x 11216x 11216x 7x 7x 7x 7x 11216x 11216x 7x 7x 7x 7x 7x 7x 6x 6x 3x 3x 3x 3x 3x 3x 3x 7x 1x 1x 1x 7x 7x 11216x 11216x | import {Issue} from "../issue";
import {ABAPRule} from "./_abap_rule";
import * as Statements from "../abap/2_statements/statements";
import * as Expressions from "../abap/2_statements/expressions";
import {BasicRuleConfig} from "./_basic_rule_config";
import {Class} from "../objects";
import {InfoClassDefinition} from "../abap/4_file_information/_abap_file_information";
import {IRuleMetadata, RuleTag} from "./_irule";
import {ABAPObject} from "../objects/_abap_object";
import {DDIC} from "../ddic";
import {EditHelper} from "../edit_helper";
import {StatementNode} from "../abap/nodes/statement_node";
import {ABAPFile} from "../abap/abap_file";
export class FunctionalWritingConf extends BasicRuleConfig {
/** Ignore functional writing in exception classes, local + global */
public ignoreExceptions: boolean = true;
}
export class FunctionalWriting extends ABAPRule {
private conf = new FunctionalWritingConf();
public getMetadata(): IRuleMetadata {
return {
key: "functional_writing",
title: "Use functional writing",
shortDescription: `Detects usage of call method when functional style calls can be used.`,
extendedInformation: `https://github.com/SAP/styleguides/blob/main/clean-abap/CleanABAP.md#prefer-functional-to-procedural-calls
https://docs.abapopenchecks.org/checks/07/`,
tags: [RuleTag.Styleguide, RuleTag.Quickfix, RuleTag.SingleFile],
badExample: `CALL METHOD zcl_class=>method( ).
CALL METHOD cl_abap_typedescr=>describe_by_name
EXPORTING
p_name = 'NAME'
RECEIVING
p_descr_ref = lr_typedescr
EXCEPTIONS
type_not_found = 1
OTHERS = 2.`,
goodExample: `zcl_class=>method( ).
cl_abap_typedescr=>describe_by_name(
EXPORTING
p_name = 'NAME'
RECEIVING
p_descr_ref = lr_typedescr
EXCEPTIONS
type_not_found = 1
OTHERS = 2 ).`,
};
}
private getMessage(): string {
return "Use functional writing style for method calls";
}
public getConfig() {
return this.conf;
}
public setConfig(conf: FunctionalWritingConf) {
this.conf = conf;
}
public runParsed(file: ABAPFile, obj: ABAPObject): readonly Issue[] {
const issues: Issue[] = [];
let exception = false;
if (obj.getType() === "INTF") {
return [];
}
let definition: InfoClassDefinition | undefined = undefined;
if (obj instanceof Class) {
definition = obj.getClassDefinition();
}
const ddic = new DDIC(this.reg);
for (const statNode of file.getStatements()) {
if (statNode.get() instanceof Statements.ClassImplementation
&& definition
&& ddic.isException(definition, obj)
&& this.conf.ignoreExceptions) {
exception = true;
} else if (statNode.get() instanceof Statements.EndClass) {
exception = false;
} else if (exception === false && statNode.get() instanceof Statements.Call) {
if (statNode.getFirstChild()?.get() instanceof Expressions.MethodCallChain) {
continue;
}
const dynamic = statNode.findDirectExpression(Expressions.MethodSource)?.findDirectExpression(Expressions.Dynamic);
if (dynamic !== undefined) {
continue;
}
issues.push(this.createIssueForStatementNode(file, statNode));
}
}
return issues;
}
private createIssueForStatementNode(file: ABAPFile, statNode: StatementNode): Issue {
const fixString = this.buildFixString(statNode);
const fix = EditHelper.replaceRange(file, statNode.getStart(), statNode.getEnd(), fixString);
return Issue.atStatement(file, statNode, this.getMessage(), this.getMetadata().key, this.conf.severity, fix);
}
private buildFixString(statNode: StatementNode) {
// Note: line breaks from source are lost
const methodSource = statNode.findDirectExpression(Expressions.MethodSource);
let methodSourceStr = methodSource?.concatTokens();
const methodBody = statNode.findDirectExpression(Expressions.MethodCallBody);
let methodBodyStr = "";
if (methodBody) {
const methodCallParam = methodBody.findDirectExpression(Expressions.MethodCallParam);
if (methodCallParam && methodCallParam.getFirstToken().getStr() === "(") {
// has parameters and parantheses
methodBodyStr = `${methodBody.concatTokens()}.`;
} else {
// has parameters, but parentheses are missing
methodSourceStr = `${methodSourceStr}( `;
methodBodyStr = `${methodBody.concatTokens()} ).`;
}
} else {
// no body means no parentheses and no parameters
methodBodyStr = "( ).";
}
return methodSourceStr + methodBodyStr;
}
} |