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import {ABAPRule} from "./_abap_rule"; import {BasicRuleConfig} from "./_basic_rule_config"; import {AbstractToken} from "../abap/1_lexer/tokens/abstract_token"; import {ParenLeftW, Comment, WParenRightW, WParenRight} from "../abap/1_lexer/tokens"; import {TokenNode, StatementNode, TokenNodeRegex} from "../abap/nodes"; import {Unknown, MacroContent, MacroCall, NativeSQL} from "../abap/2_statements/statements/_statement"; import {Events, MethodDef} from "../abap/2_statements/statements"; import {Position} from "../position"; import {EditHelper} from "../edit_helper"; import {IRuleMetadata, RuleTag} from "./_irule"; import {ABAPFile} from "../abap/abap_file"; export class DoubleSpaceConf extends BasicRuleConfig { /** Check for double space after keywords */ public keywords: boolean = true; /** list of keywords to skip, case insensitive */ public skipKeywords?: string[] = ["CHANGING", "EXPORTING", "OTHERS"]; /** Check for double space after start parenthesis */ public startParen: boolean = true; /** Check for double space before end parenthesis */ public endParen: boolean = true; /** Check for double space after colon/chaining operator */ public afterColon: boolean = true; } export class DoubleSpace extends ABAPRule { private conf = new DoubleSpaceConf(); public getMetadata(): IRuleMetadata { return { key: "double_space", title: "Double space", shortDescription: `Checks that only a single space follows certain common statements.`, tags: [RuleTag.Whitespace, RuleTag.Quickfix, RuleTag.SingleFile], badExample: `DATA foo TYPE i.`, goodExample: `DATA foo TYPE i.`, }; } private getMessage(): string { return "Remove double space"; } public getConfig() { return this.conf; } public setConfig(conf: DoubleSpaceConf) { this.conf = conf; if (this.conf.skipKeywords === undefined) { this.conf.skipKeywords = new DoubleSpaceConf().skipKeywords; } } public runParsed(file: ABAPFile) { let issues: Issue[] = []; for (const s of file.getStatements()) { if (s.get() instanceof NativeSQL) { continue; } if (this.conf.keywords === true && !(s.get() instanceof Unknown) && !(s.get() instanceof MethodDef) && !(s.get() instanceof MacroCall) && !(s.get() instanceof Events) && !(s.get() instanceof MacroContent)) { issues = issues.concat(this.checkKeywords(s, file)); } issues = issues.concat(this.checkParen(s, file)); } issues = issues.concat(this.checkAfterColon(file)); return issues; } private checkAfterColon(file: ABAPFile): Issue[] { const issues: Issue[] = []; let cPosition: Position | undefined = undefined; if (this.conf.afterColon !== true) { return []; } for (const s of file.getStatements()) { const colon = s.getColon(); if (colon === undefined) { continue; } else if (cPosition !== undefined && cPosition.getCol() === colon.getCol()) { continue; } cPosition = colon.getStart(); for (const t of s.getTokens()) { if (t.getRow() !== cPosition.getRow()) { return []; } else if (t.getCol() < cPosition.getCol()) { continue; } if (t.getCol() > cPosition.getCol() + 2) { const issueStartPos = new Position(cPosition.getRow(), cPosition.getCol() + 2); const issueEndPos = new Position(t.getRow(), t.getCol()); const fix = EditHelper.deleteRange(file, issueStartPos, issueEndPos); issues.push(Issue.atRange(file, issueStartPos, issueEndPos, this.getMessage(), this.getMetadata().key, this.conf.severity, fix)); } break; } } return issues; } private checkParen(s: StatementNode, file: ABAPFile): Issue[] { const issues: Issue[] = []; let prev: AbstractToken | undefined = undefined; for (const t of s.getTokens()) { if (prev === undefined) { prev = t; continue; } if (this.getConfig().startParen === true && prev.getRow() === t.getRow() && prev instanceof ParenLeftW && !(t instanceof Comment) && prev.getEnd().getCol() + 1 < t.getCol()) { const issueStartPos = new Position(prev.getRow(), prev.getCol() + 2); const issueEndPos = new Position(t.getRow(), t.getCol()); const fix = EditHelper.deleteRange(file, issueStartPos, issueEndPos); if (this.pragmaInRange(s.getPragmas(), issueStartPos, issueEndPos) === false) { issues.push(Issue.atRange(file, issueStartPos, issueEndPos, this.getMessage(), this.getMetadata().key, this.conf.severity, fix)); } } if (this.getConfig().endParen === true && prev.getRow() === t.getRow() && !(prev instanceof ParenLeftW) && (t instanceof WParenRightW || t instanceof WParenRight) && prev.getEnd().getCol() + 1 < t.getCol()) { const issueStartPos = new Position(prev.getEnd().getRow(), prev.getEnd().getCol() + 1); const issueEndPos = new Position(t.getRow(), t.getCol()); const fix = EditHelper.deleteRange(file, issueStartPos, issueEndPos); if (this.pragmaInRange(s.getPragmas(), issueStartPos, issueEndPos) === false) { issues.push(Issue.atRange(file, issueStartPos, issueEndPos, this.getMessage(), this.getMetadata().key, this.conf.severity, fix)); } } prev = t; } return issues; } private pragmaInRange(pragmas: readonly AbstractToken[], start: Position, end: Position): boolean { let ret = false; for (const p of pragmas) { if (p.getStart().isBetween(start, end)) { ret = true; } } return ret; } private checkKeywords(s: StatementNode, file: ABAPFile): Issue[] { const issues: Issue[] = []; let prev: TokenNode | undefined = undefined; if (s.getColon() !== undefined || s.getPragmas().length > 0) { // for chained statments just give up return []; } for (const n of s.getTokenNodes()) { if (prev === undefined) { prev = n; continue; } const upper = prev.get().getStr().toUpperCase(); if (prev instanceof TokenNodeRegex || upper === "(" || upper === ")" || this.getConfig().skipKeywords!.some(e => e.toUpperCase() === upper)) { // not a keyword, continue prev = n; continue; } if (prev.get().getStart().getRow() === n.get().getStart().getRow() && prev.get().getEnd().getCol() + 1 < n.get().getStart().getCol()) { const issueStartPos = new Position(prev.get().getEnd().getRow(), prev.get().getEnd().getCol() + 1 ); const issueEndPos = new Position(n.get().getRow(), n.get().getCol()); const fix = EditHelper.deleteRange(file, issueStartPos, issueEndPos); issues.push(Issue.atRange( file, issueStartPos, issueEndPos, this.getMessage(), this.getMetadata().key, this.conf.severity, fix)); return issues; } prev = n; } return []; } } |