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import {ABAPRule} from "./_abap_rule";
import {IObject} from "../objects/_iobject";
import {Class} from "../objects";
import {BasicRuleConfig} from "./_basic_rule_config";
import {IIndentationOptions} from "../pretty_printer/indentation_options";
import {Indent} from "../pretty_printer/indent";
import * as Statements from "../abap/2_statements/statements";
import * as Expressions from "../abap/2_statements/expressions";
import {IRuleMetadata, RuleTag} from "./_irule";
import {DDIC} from "../ddic";
import {Position} from "../position";
import {VirtualPosition} from "../virtual_position";
import {EditHelper} from "../edit_helper";
import {ABAPFile} from "../abap/abap_file";
import {StatementNode} from "../abap/nodes";
import {NativeSQL} from "../abap/2_statements/statements/_statement";
export class IndentationConf extends BasicRuleConfig {
/** Ignore global exception classes */
public ignoreExceptions: boolean = true;
/** Align TRY CATCH, TRY and CATCH should have the same indentation */
public alignTryCatch: boolean = false;
/** Add indentation for SELECTION SCREEN BLOCK, standard pretty printer indents this from 754 */
public selectionScreenBlockIndentation: boolean = false;
public globalClassSkipFirst: boolean = false;
public ignoreGlobalClassDefinition: boolean = false;
public ignoreGlobalInterface: boolean = false;
}
export class Indentation extends ABAPRule {
private conf = new IndentationConf();
public getMetadata(): IRuleMetadata {
return {
key: "indentation",
title: "Indentation",
shortDescription: `Checks indentation`,
tags: [RuleTag.Whitespace, RuleTag.Quickfix, RuleTag.SingleFile],
badExample: `CLASS lcl DEFINITION.
PRIVATE SECTION.
METHODS constructor.
ENDCLASS.
CLASS lcl IMPLEMENTATION.
METHOD constructor.
ENDMETHOD.
ENDCLASS.`,
goodExample: `CLASS lcl DEFINITION.
PRIVATE SECTION.
METHODS constructor.
ENDCLASS.
CLASS lcl IMPLEMENTATION.
METHOD constructor.
ENDMETHOD.
ENDCLASS.`,
};
}
public getConfig() {
return this.conf;
}
public setConfig(conf: IndentationConf) {
this.conf = conf;
}
public runParsed(file: ABAPFile, obj: IObject) {
const MAX_ISSUES = 100;
let skip = false;
if (file.getStructure() === undefined) {
return []; // syntax error in file
}
if (obj instanceof Class) {
const definition = obj.getClassDefinition();
const ddic = new DDIC(this.reg);
if (definition === undefined) {
return [];
} else if (this.conf.ignoreExceptions && ddic.isException(definition, obj)) {
return [];
}
}
const indentOpts: IIndentationOptions = {
selectionScreenBlockIndentation: this.conf?.selectionScreenBlockIndentation,
alignTryCatch: this.conf?.alignTryCatch,
globalClassSkipFirst: this.conf.globalClassSkipFirst,
};
const expected = new Indent(indentOpts).getExpectedIndents(file);
const ret: Issue[] = [];
let previous: StatementNode | undefined = undefined;
for (const statement of file.getStatements()) {
const position = statement.getFirstToken().getStart();
if (position instanceof VirtualPosition) {
continue;
}
const indent = expected.shift();
if (this.conf.ignoreGlobalClassDefinition) {
if (statement.get() instanceof Statements.ClassDefinition
&& statement.findFirstExpression(Expressions.ClassGlobal)) {
skip = true;
continue;
} else if (skip === true && statement.get() instanceof Statements.EndClass) {
skip = false;
continue;
} else if (skip === true) {
continue;
}
}
if (this.conf.ignoreGlobalInterface) {
if (statement.get() instanceof Statements.Interface
&& statement.findFirstExpression(Expressions.ClassGlobal)) {
skip = true;
continue;
} else if (skip === true && statement.get() instanceof Statements.EndInterface) {
skip = false;
continue;
} else if (skip === true) {
continue;
}
}
if (statement.get() instanceof NativeSQL) {
continue;
}
// only apply for the first statement in a chain
if (statement.getColon() !== undefined
&& previous?.getColon() !== undefined
&& statement.getColon()!.getStart().equals(previous.getColon()!.getStart())) {
continue;
}
if (indent && indent > 0 && indent !== position.getCol()) {
const expected = indent - 1;
const fix = EditHelper.replaceRange(file, new Position(position.getRow(), 1), position, " ".repeat(expected));
const message = "Indentation problem, expected " + expected + " spaces";
const issue = Issue.atPosition(file, position, message, this.getMetadata().key, this.conf.severity, fix);
ret.push(issue);
if (ret.length >= MAX_ISSUES) {
break;
}
}
previous = statement;
}
return ret;
}
} |