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import {IRegistry} from "../_iregistry";
import {INode} from "../abap/nodes/_inode";
import {StructureNode, StatementNode, TokenNodeRegex, ExpressionNode, TokenNode} from "../abap/nodes";
import {AbstractToken} from "../abap/1_lexer/tokens/abstract_token";
import {LSPUtils} from "./_lsp_utils";
import {SyntaxLogic} from "../abap/5_syntax/syntax";
import {ABAPObject} from "../objects/_abap_object";
import {DumpScope} from "./dump_scope";
import {ABAPFile} from "../abap/abap_file";
export class Help {
public static find(reg: IRegistry, textDocument: LServer.TextDocumentIdentifier, position: LServer.Position): string {
const file = LSPUtils.getABAPFile(reg, textDocument.uri);
if (file === undefined) {
return "file not found";
} else {
return this.dumpABAP(file, reg, textDocument, position);
}
}
/////////////////////////////////////////////////
private static dumpABAP(file: ABAPFile, reg: IRegistry, textDocument: LServer.TextDocumentIdentifier,
position: LServer.Position): string {
let content = "";
content = `
<a href="#_tokens" rel="no-refresh">Tokens</a> |
<a href="#_statements" rel="no-refresh">Statements</a> |
<a href="#_structure" rel="no-refresh">Structure</a> |
<a href="#_files" rel="no-refresh">Files</a> |
<a href="#_info" rel="no-refresh">Info Dump</a>
<hr>
` +
"<tt>" + textDocument.uri + " (" +
(position.line + 1) + ", " +
(position.character + 1) + ")</tt>";
content = content + "<hr>";
content = content + this.cursorInformation(reg, textDocument, position, file);
content = content + this.fileInformation(file);
content = content + "<hr>";
content = content + this.dumpFiles(reg);
content = content + "<hr>";
content = content + this.dumpInfo(file);
return content;
}
private static dumpInfo(file: ABAPFile): string {
const info = file.getInfo();
const dump = {
classDefinitions: info.listClassDefinitions(),
classImplementations: info.listClassImplementations(),
interfaceDefinitions: info.listInterfaceDefinitions(),
forms: info.listFormDefinitions(),
};
const text = JSON.stringify(dump, null, 2);
return `<h3 id="_info">Info Dump</h3><pre>` + text + "</pre>";
}
private static cursorInformation(reg: IRegistry,
textDocument: LServer.TextDocumentIdentifier,
position: LServer.Position,
file: ABAPFile): string {
let ret = "";
const found = LSPUtils.findCursor(reg, {textDocument, position});
if (found !== undefined) {
ret = "Statement: " + this.linkToStatement(found.snode.get()) + "<br>\n" +
"Token: " + found.token.constructor.name + "<br>\n" +
this.fullPath(file, found.token).value;
} else {
ret = "No token found at cursor position";
}
const obj = reg.getObject(file.getObjectType(), file.getObjectName());
if (obj instanceof ABAPObject) {
const spaghetti = new SyntaxLogic(reg, obj).run().spaghetti;
ret = ret + DumpScope.dump(spaghetti);
if (found !== undefined) {
ret = ret + "<hr>Spaghetti Scope by Cursor Position:<br><br>\n";
const lookup = spaghetti.lookupPosition(found.token.getStart(), textDocument.uri);
if (lookup) {
const identifier = lookup.getIdentifier();
ret = ret + "<u>" + identifier.stype + ", <tt>" + identifier.sname + "</tt>, " + identifier.filename;
ret = ret + ", (" + identifier.start.getRow() + ", " + identifier.start.getCol() + ")</u><br>";
} else {
ret = ret + "Not found";
}
}
}
return ret;
}
private static fullPath(file: ABAPFile, token: AbstractToken): {value: string, keyword: boolean} {
const structure = file.getStructure();
if (structure === undefined) {
return {value: "", keyword: false};
}
const found = this.traverse(structure, "", token);
if (found === undefined) {
return {value: "", keyword: false};
}
return {value: "\n\n" + found.value, keyword: found.keyword};
}
private static traverse(node: INode, parents: string, search: AbstractToken): {value: string, keyword: boolean} | undefined {
let local = parents;
if (local !== "") {
local = local + " -> ";
}
if (node instanceof StructureNode) {
local = local + "Structure: " + this.linkToStructure(node.get());
} else if (node instanceof StatementNode) {
local = local + "Statement: " + this.linkToStatement(node.get());
} else if (node instanceof ExpressionNode) {
local = local + "Expression: " + this.linkToExpression(node.get());
} else if (node instanceof TokenNode) {
local = local + "Token: " + node.get().constructor.name;
const token = node.get();
if (token.getStr() === search.getStr()
&& token.getCol() === search.getCol()
&& token.getRow() === search.getRow()) {
const keyword = !(node instanceof TokenNodeRegex);
return {value: local, keyword};
}
} else {
throw new Error("hover, traverse, unexpected node type");
}
for (const child of node.getChildren()) {
const ret = this.traverse(child, local, search);
if (ret) {
return ret;
}
}
return undefined;
}
private static fileInformation(file: ABAPFile): string {
let content = "";
content = content + `<hr><h3 id="_tokens">Tokens</h3>\n`;
content = content + this.tokens(file);
content = content + `<hr><h3 id="_statements">Statements</h3>\n`;
content = content + this.buildStatements(file);
content = content + `<hr><h3 id="_structure">Structure</h3>\n`;
const structure = file.getStructure();
if (structure !== undefined) {
content = content + this.buildStructure([structure]);
} else {
content = content + "structure undefined";
}
return content;
}
private static escape(str: string) {
str = str.replace(/&/g, "&");
str = str.replace(/>/g, ">");
str = str.replace(/</g, "<");
str = str.replace(/"/g, """);
str = str.replace(/'/g, "'");
return str;
}
private static linkToStatement(statement: any) {
return `<a href="https://syntax.abaplint.org/#/statement/${
statement.constructor.name}" target="_blank">${statement.constructor.name}</a>\n`;
}
private static linkToStructure(structure: any) {
return `<a href="https://syntax.abaplint.org/#/structure/${
structure.constructor.name}" target="_blank">${structure.constructor.name}</a>\n`;
}
private static linkToExpression(expression: any) {
return `<a href="https://syntax.abaplint.org/#/expression/${
expression.constructor.name}" target="_blank">${expression.constructor.name}</a>\n`;
}
private static outputNodes(nodes: readonly INode[]) {
let ret = "<ul>";
for (const node of nodes) {
let extra = "";
switch (node.constructor.name) {
case "TokenNode":
case "TokenNodeRegex":
// @ts-ignore
extra = node.get().constructor.name + ", \"" + node.get().getStr() + "\"";
break;
case "ExpressionNode":
extra = this.linkToExpression(node.get()) + this.outputNodes(node.getChildren());
break;
default:
break;
}
ret = ret + "<li>" + node.constructor.name + ", " + extra + "</li>";
}
return ret + "</ul>";
}
private static tokens(file: ABAPFile) {
let inner = "<table><tr><td><b>String</b></td><td><b>Type</b></td><td><b>Row</b></td><td><b>Column</b></td></tr>";
for (const token of file.getTokens()) {
inner = inner + "<tr><td><tt>" +
this.escape(token.getStr()) + "</tt></td><td>" +
token.constructor.name + "</td><td align=\"right\">" +
token.getRow() + "</td><td align=\"right\">" +
token.getCol() + "</td></tr>";
}
inner = inner + "</table>";
return inner;
}
private static buildStatements(file: ABAPFile) {
let output = "";
for (const statement of file.getStatements()) {
const row = statement.getStart().getRow();
// getting the class name only works if uglify does not mangle names
output = output +
row + ": " +
this.linkToStatement(statement.get()) +
"</div></b>\n" + this.outputNodes(statement.getChildren());
}
return output;
}
private static buildStructure(nodes: readonly INode[]) {
let output = "<ul>";
for (const node of nodes) {
if (node instanceof StructureNode) {
output = output + "<li>" + this.linkToStructure(node.get()) + ", Structure " + this.buildStructure(node.getChildren()) + "</li>";
} else if (node instanceof StatementNode) {
output = output + "<li>" + this.linkToStatement(node.get()) + ", Statement</li>";
}
}
return output + "</ul>";
}
private static dumpFiles(reg: IRegistry) {
let output = `<h3 id="_files">Files</h3><table>\n`;
for (const o of reg.getObjects()) {
if (reg.isDependency(o) === true) {
continue;
}
output = output + "<tr><td valign=\"top\">" + o.getType() + " " + o.getName() + "</td><td>";
for (const f of o.getFiles()) {
output = output + f.getFilename() + "<br>";
}
output = output + "</td></tr>\n";
}
return output + "</table>\n";
}
} |