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import {Issue} from "../issue";
import {Position} from "../position";
import {ABAPRule} from "./_abap_rule";
import {ExpressionNode, StatementNode, TokenNode} from "../abap/nodes";
import {BasicRuleConfig} from "./_basic_rule_config";
import {RuleTag, IRuleMetadata} from "./_irule";
import {ABAPFile} from "../abap/abap_file";
// todo: this rule needs refactoring
export class ParserMissingSpaceConf extends BasicRuleConfig {
}
export class ParserMissingSpace extends ABAPRule {
private conf = new ParserMissingSpaceConf();
public getMetadata(): IRuleMetadata {
return {
key: "parser_missing_space",
title: "Parser Error, missing space",
shortDescription: `In special cases the ABAP language allows for not having spaces before or after string literals.
This rule makes sure the spaces are consistently required across the language.`,
tags: [RuleTag.Syntax, RuleTag.Whitespace, RuleTag.SingleFile],
badExample: `IF ( foo = 'bar').`,
goodExample: `IF ( foo = 'bar' ).`,
};
}
public getConfig() {
return this.conf;
}
public setConfig(conf: ParserMissingSpaceConf) {
this.conf = conf;
}
public runParsed(file: ABAPFile) {
const issues: Issue[] = [];
let start = new Position(0, 0);
for (const statement of file.getStatements()) {
const missing = this.missingSpace(statement);
if (missing) {
const message = "Missing space between string or character literal and parentheses";
start = missing;
const issue = Issue.atPosition(file, start, message, this.getMetadata().key, this.conf.severity);
issues.push(issue);
}
}
return issues;
}
private missingSpace(statement: StatementNode): Position | undefined {
const found = statement.findAllExpressionsMulti([
Expressions.CondSub, Expressions.SQLCond, Expressions.ValueBodyLine,
Expressions.NewObject, Expressions.Cond, Expressions.ComponentCond,
Expressions.Source,
Expressions.ComponentCondSub, Expressions.MethodCallParam], true);
let pos: Position | undefined = undefined;
for (const f of found) {
const type = f.get();
if (type instanceof Expressions.Cond) {
pos = this.checkCond(f);
} else if (type instanceof Expressions.Source) {
pos = this.checkSource(f);
} else if (type instanceof Expressions.CondSub) {
pos = this.checkCondSub(f);
} else if (type instanceof Expressions.ComponentCond) {
pos = this.checkComponentCond(f);
} else if (type instanceof Expressions.ComponentCondSub) {
pos = this.checkComponentCondSub(f);
} else if (type instanceof Expressions.SQLCond) {
pos = this.checkSQLCond(f);
} else if (type instanceof Expressions.ValueBodyLine) {
pos = this.checkValueBodyLine(f);
} else if (type instanceof Expressions.NewObject) {
pos = this.checkNewObject(f);
} else if (type instanceof Expressions.MethodCallParam) {
pos = this.checkMethodCallParam(f);
}
if (pos) {
return pos;
}
}
return undefined;
}
private checkSQLCond(cond: ExpressionNode): Position | undefined {
const children = cond.getChildren();
for (let i = 0; i < children.length; i++) {
if (children[i].get() instanceof Expressions.SQLCond) {
const current = children[i];
const prev = children[i - 1].getLastToken();
const next = children[i + 1].getFirstToken();
if (prev.getStr() === "("
&& prev.getRow() === current.getFirstToken().getRow()
&& prev.getCol() + 1 === current.getFirstToken().getStart().getCol()) {
return current.getFirstToken().getStart();
}
if (next.getStr() === ")"
&& next.getRow() === current.getLastToken().getRow()
&& next.getCol() === current.getLastToken().getEnd().getCol()) {
return current.getLastToken().getEnd();
}
}
}
return undefined;
}
private checkNewObject(cond: ExpressionNode): Position | undefined {
const children = cond.getChildren();
{
const first = children[children.length - 2].getLastToken();
const second = children[children.length - 1].getFirstToken();
if (first.getRow() === second.getRow()
&& first.getEnd().getCol() === second.getStart().getCol()) {
return second.getStart();
}
}
return undefined;
}
private checkCondSub(cond: ExpressionNode): Position | undefined {
const children = cond.getChildren();
for (let i = 0; i < children.length; i++) {
if (children[i].get() instanceof Expressions.Cond) {
const current = children[i];
const prev = children[i - 1].getLastToken();
const next = children[i + 1].getFirstToken();
if (prev.getStr() === "("
&& prev.getRow() === current.getFirstToken().getRow()
&& prev.getCol() + 1 === current.getFirstToken().getStart().getCol()) {
return current.getFirstToken().getStart();
}
if (next.getStr() === ")"
&& next.getRow() === current.getLastToken().getRow()
&& next.getCol() === current.getLastToken().getEnd().getCol()) {
return current.getLastToken().getEnd();
}
}
}
return undefined;
}
private checkComponentCondSub(cond: ExpressionNode): Position | undefined {
const children = cond.getChildren();
for (let i = 0; i < children.length; i++) {
if (children[i].get() instanceof Expressions.ComponentCond) {
const current = children[i];
const prev = children[i - 1].getLastToken();
const next = children[i + 1].getFirstToken();
if (prev.getStr() === "("
&& prev.getRow() === current.getFirstToken().getRow()
&& prev.getCol() + 1 === current.getFirstToken().getStart().getCol()) {
return current.getFirstToken().getStart();
}
if (next.getStr() === ")"
&& next.getRow() === current.getLastToken().getRow()
&& next.getCol() === current.getLastToken().getEnd().getCol()) {
return current.getLastToken().getEnd();
}
}
}
return undefined;
}
private checkComponentCond(cond: ExpressionNode): Position | undefined {
const children = cond.getAllTokens();
for (let i = 0; i < children.length - 1; i++) {
const current = children[i];
const next = children[i + 1];
if (next.getStr().startsWith("'")
&& next.getRow() === current.getRow()
&& next.getCol() === current.getEnd().getCol()) {
return current.getEnd();
}
}
return undefined;
}
private checkValueBodyLine(vb: ExpressionNode): Position | undefined {
const children = vb.getChildren();
for (let i = 0; i < children.length; i++) {
const current = children[i];
if (current instanceof TokenNode) {
const prev = children[i - 1]?.getLastToken();
const next = children[i + 1]?.getFirstToken();
if (current.getFirstToken().getStr() === "("
&& next
&& next.getRow() === current.getLastToken().getRow()
&& next.getCol() === current.getLastToken().getEnd().getCol()) {
return current.getFirstToken().getStart();
}
if (current.getFirstToken().getStr() === ")"
&& prev
&& prev.getRow() === current.getFirstToken().getRow()
&& prev.getEnd().getCol() === current.getFirstToken().getStart().getCol()) {
return current.getLastToken().getEnd();
}
}
}
return undefined;
}
private checkCond(cond: ExpressionNode): Position | undefined {
const children = cond.getAllTokens();
for (let i = 0; i < children.length - 1; i++) {
const current = children[i];
const next = children[i + 1];
if (next.getStr().startsWith("'")
&& next.getRow() === current.getRow()
&& next.getCol() === current.getEnd().getCol()) {
return current.getEnd();
}
}
return undefined;
}
private checkSource(cond: ExpressionNode): Position | undefined {
const children = cond.getAllTokens();
if (children.length < 2) {
return undefined;
}
const nextLast = children[children.length - 2];
const last = children[children.length - 1];
if (nextLast.getStr().startsWith("'")
&& nextLast.getRow() === last.getRow()
&& nextLast.getEnd().getCol() === last.getStart().getCol()) {
return last.getEnd();
}
return undefined;
}
private checkMethodCallParam(call: ExpressionNode): Position | undefined {
const children = call.getChildren();
{
const first = children[0].getFirstToken();
const second = children[1].getFirstToken();
if (first.getRow() === second.getRow()
&& first.getCol() + 1 === second.getStart().getCol()) {
return second.getStart();
}
}
{
const first = children[children.length - 2].getLastToken();
const second = children[children.length - 1].getFirstToken();
if (first.getRow() === second.getRow()
&& first.getEnd().getCol() === second.getStart().getCol()) {
return second.getStart();
}
}
return undefined;
}
} |