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import * as Expressions from "../abap/2_statements/expressions";
import {Issue} from "../issue";
import {BasicRuleConfig} from "./_basic_rule_config";
import {ABAPRule} from "./_abap_rule";
import {IRuleMetadata, RuleTag} from "./_irule";
import {StatementNode} from "../abap/nodes/statement_node";
import {Comment} from "../abap/2_statements/statements/_statement";
import {ABAPFile} from "../abap/abap_file";
import {EditHelper} from "../edit_helper";
export class CheckSubrcConf extends BasicRuleConfig {
public openDataset: boolean = true;
public authorityCheck: boolean = true;
public selectSingle: boolean = true;
public selectTable: boolean = true;
public updateDatabase: boolean = true;
public insertDatabase: boolean = true;
public modifyDatabase: boolean = true;
public readTable: boolean = true;
public assign: boolean = true;
public find: boolean = true;
}
export class CheckSubrc extends ABAPRule {
private conf = new CheckSubrcConf();
public getMetadata(): IRuleMetadata {
return {
key: "check_subrc",
title: "Check sy-subrc",
shortDescription: `Check sy-subrc`,
extendedInformation: `Pseudo comment "#EC CI_SUBRC can be added to suppress findings
If sy-dbcnt is checked after database statements, it is considered okay.
"SELECT SINGLE @abap_true FROM " is considered as an existence check, also "SELECT COUNT( * )" is considered okay
If IS ASSIGNED is checked after assigning, it is considered okay.
FIND statement with MATCH COUNT is considered okay if subrc is not checked`,
tags: [RuleTag.SingleFile, RuleTag.Quickfix],
pseudoComment: "EC CI_SUBRC",
pragma: "##SUBRC_OK",
};
}
public getConfig() {
return this.conf;
}
public setConfig(conf: CheckSubrcConf) {
this.conf = conf;
}
private buildFix(file: ABAPFile, statement: StatementNode) {
return {
description: "Add ##SUBRC_OK",
edit: EditHelper.insertAt(file, statement.getLastToken().getStart(), " ##SUBRC_OK"),
};
}
public runParsed(file: ABAPFile): Issue[] {
const issues: Issue[] = [];
const statements = file.getStatements();
const message = "Check sy-subrc";
const config = this.getConfig();
for (let i = 0; i < statements.length; i++) {
const statement = statements[i];
// todo: CALL FUNCTION
if (statement.getPragmas().some(t => t.getStr() === this.getMetadata().pragma)) {
continue;
}
if (config.openDataset === true
&& statement.get() instanceof Statements.OpenDataset
&& this.isChecked(i, statements) === false) {
// it doesnt make sense to ignore the subrc for open dataset, so no quick fix
issues.push(Issue.atStatement(file, statement, message, this.getMetadata().key, this.conf.severity));
} else if (config.authorityCheck === true
&& statement.get() instanceof Statements.AuthorityCheck
&& this.isChecked(i, statements) === false) {
// it doesnt make sense to ignore the subrc for authority checks, so no quick fix
issues.push(Issue.atStatement(file, statement, message, this.getMetadata().key, this.conf.severity));
} else if (config.selectSingle === true
&& statement.get() instanceof Statements.Select
&& statement.concatTokens().toUpperCase().startsWith("SELECT SINGLE ")
&& this.isChecked(i, statements) === false
&& this.checksDbcnt(i, statements) === false) {
const concat = statement.concatTokens().toUpperCase();
if (concat.startsWith("SELECT SINGLE @ABAP_TRUE FROM ")) {
continue;
}
const fix = this.buildFix(file, statement);
issues.push(Issue.atStatement(file, statement, message, this.getMetadata().key, this.conf.severity, undefined, [fix]));
} else if (config.selectTable === true
&& statement.get() instanceof Statements.Select
&& statement.concatTokens().toUpperCase().startsWith("SELECT SINGLE ") === false
&& statement.concatTokens().toUpperCase().startsWith("SELECT COUNT( * ) ") === false
&& statement.concatTokens().toUpperCase().startsWith("SELECT COUNT(*) ") === false
&& this.isChecked(i, statements) === false
&& this.checksDbcnt(i, statements) === false) {
const fix = this.buildFix(file, statement);
issues.push(Issue.atStatement(file, statement, message, this.getMetadata().key, this.conf.severity, undefined, [fix]));
} else if (config.updateDatabase === true
&& statement.get() instanceof Statements.UpdateDatabase
&& this.isChecked(i, statements) === false
&& this.checksDbcnt(i, statements) === false) {
const fix = this.buildFix(file, statement);
issues.push(Issue.atStatement(file, statement, message, this.getMetadata().key, this.conf.severity, undefined, [fix]));
} else if (config.insertDatabase === true
&& statement.get() instanceof Statements.InsertDatabase
&& this.isChecked(i, statements) === false
&& this.checksDbcnt(i, statements) === false) {
const fix = this.buildFix(file, statement);
issues.push(Issue.atStatement(file, statement, message, this.getMetadata().key, this.conf.severity, undefined, [fix]));
} else if (config.modifyDatabase === true
&& statement.get() instanceof Statements.ModifyDatabase
&& this.isChecked(i, statements) === false
&& this.checksDbcnt(i, statements) === false) {
const fix = this.buildFix(file, statement);
issues.push(Issue.atStatement(file, statement, message, this.getMetadata().key, this.conf.severity, undefined, [fix]));
} else if (config.readTable === true
&& statement.get() instanceof Statements.ReadTable
&& this.isChecked(i, statements) === false) {
const fix = this.buildFix(file, statement);
issues.push(Issue.atStatement(file, statement, message, this.getMetadata().key, this.conf.severity, undefined, [fix]));
} else if (config.assign === true
&& statement.get() instanceof Statements.Assign
&& this.isSimpleAssign(statement) === false
&& this.isChecked(i, statements) === false) {
const fix = this.buildFix(file, statement);
issues.push(Issue.atStatement(file, statement, message, this.getMetadata().key, this.conf.severity, undefined, [fix]));
} else if (config.find === true
&& statement.get() instanceof Statements.Find
&& this.isExemptedFind(statement) === false
&& this.isChecked(i, statements) === false) {
const fix = this.buildFix(file, statement);
issues.push(Issue.atStatement(file, statement, message, this.getMetadata().key, this.conf.severity, undefined, [fix]));
}
}
return issues;
}
////////////////
private isSimpleAssign(statement: StatementNode): boolean {
if (statement.getChildren().length === 5) {
const source = statement.findDirectExpression(Expressions.AssignSource);
if (source?.getChildren().length === 1
&& source.findDirectExpression(Expressions.Source) !== undefined) {
return true;
}
}
return false;
}
private isExemptedFind(s: StatementNode): boolean {
// see https://github.com/abaplint/abaplint/issues/2130
return s.concatTokens().toUpperCase().includes(" MATCH COUNT ") === true;
}
private checksDbcnt(index: number, statements: readonly StatementNode[]): boolean {
for (let i = index + 1; i < statements.length; i++) {
const statement = statements[i];
const concat = statement.concatTokens().toUpperCase();
if (statement.get() instanceof Comment) {
continue;
} else if (statement.get() instanceof Statements.EndIf
|| statement.get() instanceof Statements.EndTestSeam) {
continue;
} else {
return concat.includes("SY-DBCNT");
}
}
return false;
}
private isChecked(index: number, statements: readonly StatementNode[]): boolean {
let assigned: string | undefined = undefined;
let assignedn: string | undefined = undefined;
if (statements[index].get() instanceof Statements.Assign
|| statements[index].get() instanceof Statements.ReadTable) {
const fs = statements[index].findFirstExpression(Expressions.FSTarget
)?.findFirstExpression(Expressions.FieldSymbol)?.getFirstToken().getStr();
assigned = fs?.toUpperCase() + " IS ASSIGNED";
assignedn = fs?.toUpperCase() + " IS NOT ASSIGNED";
}
for (let i = index + 1; i < statements.length; i++) {
const statement = statements[i];
const concat = statement.concatTokens().toUpperCase();
if (statement.get() instanceof Comment) {
if (concat.includes("" + this.getMetadata().pseudoComment)) {
return true;
}
} else if (statement.get() instanceof Statements.EndIf
|| statement.get() instanceof Statements.EndTestSeam) {
continue;
} else {
if (assigned && concat.includes(assigned)) {
return true;
}
if (assignedn && concat.includes(assignedn)) {
return true;
}
return concat.includes(" SY-SUBRC")
|| concat.includes("CL_ABAP_UNIT_ASSERT=>ASSERT_SUBRC");
}
}
return false;
}
} |