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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 314x 314x 314x 321x 146x 321x 175x 175x 321x 314x 1x 1x 1x 29389x 29389x 2156x 2156x 29389x 171x 315x 315x 171x 27233x 27233x 1x 1x 1x 1x 1x 1x 1x 1x 7949x 7949x 7949x 7949x 1x 1x 26101x 26101x 26101x 26101x 1x 1x 7949x 7949x 1x 1x 26101x 26101x 26101x 3278x 3278x 26101x 154044x 154044x 26101x 26101x 26101x 1x 1x 1x 1x 1x 1x 1x 1x 7920x 1x 1x 7920x 7920x 7920x 1x 1x 1x 7920x 7920x 7920x 7920x 7920x 7949x 7949x 7949x 7949x 7920x 7920x 7949x 7949x 7949x 663x 663x 7949x 7949x 7920x 7920x 7920x 1x 1x 1x 730x 730x 730x 5265x 5265x 730x 730x 730x 1x 1x 1x 1x 1x 663x 663x 663x 2502x 2502x 712x 712x 712x 712x 712x 712x 650x 349x 3x 3x 346x 349x 41x 41x 41x 41x 349x 650x 712x 2502x 2502x 663x 663x 663x 1x 1x 650x 650x 650x 650x 650x 7384x 352x 352x 7384x 7384x 7384x 650x 650x 650x 1x 1x 7949x 7949x 7949x 26487x 26487x 26487x 26487x 22x 26487x 45x 45x 11x 45x 34x 34x 34x 3x 3x 3x 3x 3x 3x 3x 3x 34x 45x 26487x 7949x 1x 1x 1x 7949x 7949x 7949x 26386x 26386x 7949x 7949x 1x 1x 26732x 26732x 26732x 26732x 26732x 26732x 26732x 15x 15x 26732x 26432x 26308x 26432x 124x 1x 1x 26432x 26732x 26732x 26732x 1x 1x 26308x 26308x 26308x 26308x 26308x 135355x 135355x 69x 135355x 135286x 135286x 135355x 26308x 26308x 26308x 1x 1x 26308x 26308x 26308x 3x 3x 26305x 26308x 57331x 57331x 23221x 23221x 23221x 23221x 57331x 3084x 26308x 5748x 5748x 2118x 2118x 2118x 2118x 5748x 966x 966x 966x 1x 1x 1x 1x 1x 7949x 7949x 7949x 7949x 7949x 156588x 285x 285x 285x 156303x 156303x 156303x 156303x 156588x 52012x 23922x 23922x 23922x 23922x 52012x 2055x 2055x 28090x 1085x 1085x 1085x 1085x 26035x 2x 2x 52012x 156588x 7949x 7949x 124x 124x 7949x 1x | import * as Statements from "./statements";
import * as Expressions from "./expressions";
import * as Tokens from "../1_lexer/tokens";
import {Version} from "../../version";
import {IFile} from "../../files/_ifile";
import {TokenNode, StatementNode} from "../nodes";
import {ArtifactsABAP} from "../artifacts";
import {Combi} from "./combi";
import {Unknown, Empty, Comment, NativeSQL, IStatement} from "./statements/_statement";
import {IStatementResult} from "./statement_result";
import {AbstractToken} from "../1_lexer/tokens/abstract_token";
import {IABAPLexerResult} from "../1_lexer/lexer_result";
import {ExpandMacros} from "./expand_macros";
import {Pragma} from "../1_lexer/tokens";
import {IRegistry} from "../../_iregistry";
import {IStatementRunnable} from "./statement_runnable";
export const STATEMENT_MAX_TOKENS = 1000;
class StatementMap {
// this also serves as container for statement matcher singletons,
private readonly map: {[index: string]: {statement: IStatement, matcher?: IStatementRunnable}[]};
public constructor() {
this.map = {};
for (const stat of ArtifactsABAP.getStatements()) {
const f = stat.getMatcher().first();
if (f.length === 0) {
throw new Error("StatementMap, first must have contents");
}
for (const first of f) {
if (this.map[first]) {
this.map[first].push({statement: stat});
} else {
this.map[first] = [{statement: stat}];
}
}
}
}
public lookup(str: string): readonly {statement: IStatement, matcher: IStatementRunnable}[] {
const res = this.map[str.toUpperCase()];
if (res === undefined) {
return [];
}
if (res[0].matcher === undefined) {
for (const r of res) {
r.matcher = r.statement.getMatcher();
}
}
return res as readonly {statement: IStatement, matcher: IStatementRunnable}[];
}
}
class WorkArea {
public readonly file: IFile;
public readonly tokens: readonly AbstractToken[];
public statements: StatementNode[];
public constructor(file: IFile, tokens: readonly AbstractToken[]) {
this.file = file;
this.tokens = tokens;
this.statements = [];
}
public addUnknown(pre: AbstractToken[], post: AbstractToken[], colon: AbstractToken | undefined) {
const st = new StatementNode(new Unknown(), colon);
st.setChildren(this.tokensToNodes(pre, post));
this.statements.push(st);
}
public toResult(): IStatementResult {
return {file: this.file, tokens: this.tokens, statements: this.statements};
}
private tokensToNodes(tokens1: AbstractToken[], tokens2: AbstractToken[]): TokenNode[] {
const ret: TokenNode[] = [];
for (const t of tokens1) {
ret.push(new TokenNode(t));
}
for (const t of tokens2) {
ret.push(new TokenNode(t));
}
return ret;
}
}
export class StatementParser {
private static map: StatementMap;
private readonly version: Version;
private readonly reg?: IRegistry;
public constructor(version: Version, reg?: IRegistry) {
if (!StatementParser.map) {
StatementParser.map = new StatementMap();
}
this.version = version;
this.reg = reg;
}
/** input is one full object */
public run(input: readonly IABAPLexerResult[], globalMacros: readonly string[]): IStatementResult[] {
const macros = new ExpandMacros(globalMacros, this.version, this.reg);
const wa = input.map(i => new WorkArea(i.file, i.tokens));
for (const w of wa) {
this.process(w);
this.categorize(w);
macros.find(w.statements, w.file);
}
for (const w of wa) {
const res = macros.handleMacros(w.statements, w.file);
w.statements = res.statements;
if (res.containsUnknown === true) {
this.lazyUnknown(w);
}
this.nativeSQL(w);
}
return wa.map(w => w.toResult());
}
// todo, refactor, remove method here and only have in WorkArea class
private tokensToNodes(tokens: readonly AbstractToken[]): TokenNode[] {
const ret: TokenNode[] = [];
for (const t of tokens) {
ret.push(new TokenNode(t));
}
return ret;
}
// tries to split Unknown statements by newlines, when adding/writing a new statement
// in an editor, adding the statement terminator is typically the last thing to do
// note: this will not work if the second statement is a macro call, guess this is okay
private lazyUnknown(wa: WorkArea) {
const result: StatementNode[] = [];
for (let statement of wa.statements) {
// dont use CALL METHOD, when executing lazy, it easily gives a Move for the last statment if lazy logic is evaluated
if (statement.get() instanceof Unknown) {
const concat = statement.concatTokens().toUpperCase();
if (concat.startsWith("CALL METHOD ") === false
&& concat.startsWith("RAISE EXCEPTION TYPE ") === false
&& concat.startsWith("READ TABLE ") === false
&& concat.startsWith("LOOP AT ") === false
&& concat.startsWith("CALL FUNCTION ") === false) {
for (const {first, second} of this.buildSplits(statement.getTokens())) {
if (second.length === 1) {
continue; // probably punctuation
}
const s = this.categorizeStatement(new StatementNode(new Unknown()).setChildren(this.tokensToNodes(second)));
if (!(s.get() instanceof Unknown) && !(s.get() instanceof Empty)) {
result.push(new StatementNode(new Unknown()).setChildren(this.tokensToNodes(first)));
statement = s;
break;
}
}
}
}
result.push(statement);
}
wa.statements = result;
}
private buildSplits(tokens: readonly AbstractToken[]): {first: AbstractToken[], second: AbstractToken[]}[] {
const res: {first: AbstractToken[], second: AbstractToken[]}[] = [];
const before: AbstractToken[] = [];
let prevRow = tokens[0].getRow();
for (let i = 0; i < tokens.length; i++) {
if (tokens[i].getRow() !== prevRow) {
res.push({first: [...before], second: [...tokens].splice(i)});
}
prevRow = tokens[i].getRow();
before.push(tokens[i]);
}
return res;
}
private nativeSQL(wa: WorkArea) {
let sql = false;
for (let i = 0; i < wa.statements.length; i++) {
const statement = wa.statements[i];
const type = statement.get();
if (type instanceof Statements.ExecSQL
|| (type instanceof Statements.MethodImplementation && statement.findDirectExpression(Expressions.Language))) {
sql = true;
} else if (sql === true) {
if (type instanceof Statements.EndExec
|| type instanceof Statements.EndMethod) {
sql = false;
} else {
wa.statements[i] = new StatementNode(new NativeSQL()).setChildren(this.tokensToNodes(statement.getTokens()));
if (statement.concatTokens().toUpperCase().endsWith("ENDMETHOD.")) {
const tokens = statement.getTokens();
const startTokens = this.tokensToNodes(tokens.slice(tokens.length - 2, tokens.length));
const endTokens = this.tokensToNodes(tokens.slice(0, tokens.length - 2));
wa.statements[i] = new StatementNode(new NativeSQL()).setChildren(endTokens);
const item = new StatementNode(new Statements.EndMethod()).setChildren(startTokens);
wa.statements.splice(i + 1, 0, item);
sql = false;
}
}
}
}
}
// for each statement, run statement matchers to figure out which kind of statement it is
private categorize(wa: WorkArea) {
const result: StatementNode[] = [];
for (const statement of wa.statements) {
result.push(this.categorizeStatement(statement));
}
wa.statements = result;
}
private categorizeStatement(input: StatementNode) {
let statement = input;
const length = input.getChildren().length;
const lastToken = input.getLastToken();
const isPunctuation = lastToken instanceof Tokens.Punctuation;
if (length === 1 && isPunctuation) {
const tokens = statement.getTokens();
statement = new StatementNode(new Empty()).setChildren(this.tokensToNodes(tokens));
} else if (statement.get() instanceof Unknown) {
if (isPunctuation) {
statement = this.match(statement);
} else if (length > STATEMENT_MAX_TOKENS) {
// if the statement contains more than STATEMENT_MAX_TOKENS tokens, just give up
statement = input;
} else if (length === 1 && lastToken instanceof Pragma) {
statement = new StatementNode(new Empty(), undefined, [lastToken]);
}
}
return statement;
}
private removePragma(tokens: readonly AbstractToken[]): {tokens: AbstractToken[], pragmas: AbstractToken[]} {
const result: AbstractToken[] = [];
const pragmas: AbstractToken[] = [];
// skip the last token as it is the punctuation
for (let i = 0; i < tokens.length - 1; i++) {
const t = tokens[i];
if (t instanceof Tokens.Pragma) {
pragmas.push(t);
} else {
result.push(t);
}
}
return {tokens: result, pragmas: pragmas};
}
private match(statement: StatementNode): StatementNode {
const tokens = statement.getTokens();
const {tokens: filtered, pragmas} = this.removePragma(tokens);
if (filtered.length === 0) {
return new StatementNode(new Empty()).setChildren(this.tokensToNodes(tokens));
}
for (const st of StatementParser.map.lookup(filtered[0].getStr())) {
const match = Combi.run(st.matcher, filtered, this.version);
if (match) {
const last = tokens[tokens.length - 1];
match.push(new TokenNode(last));
return new StatementNode(st.statement, statement.getColon(), pragmas).setChildren(match);
}
}
// next try the statements without specific keywords
for (const st of StatementParser.map.lookup("")) {
const match = Combi.run(st.matcher, filtered, this.version);
if (match) {
const last = tokens[tokens.length - 1];
match.push(new TokenNode(last));
return new StatementNode(st.statement, statement.getColon(), pragmas).setChildren(match);
}
}
return statement;
}
// takes care of splitting tokens into statements, also handles chained statements
// statements are split by "," or "."
// additional colons/chaining after the first colon are ignored
private process(wa: WorkArea) {
let add: AbstractToken[] = [];
let pre: AbstractToken[] = [];
let colon: AbstractToken | undefined = undefined;
for (const token of wa.tokens) {
if (token instanceof Tokens.Comment) {
wa.statements.push(new StatementNode(new Comment()).setChildren(this.tokensToNodes([token])));
continue;
}
add.push(token);
const str = token.getStr();
if (str.length === 1) {
if (str === ".") {
wa.addUnknown(pre, add, colon);
add = [];
pre = [];
colon = undefined;
} else if (str === "," && pre.length > 0) {
wa.addUnknown(pre, add, colon);
add = [];
} else if (str === ":" && colon === undefined) {
colon = token;
add.pop(); // do not add colon token to statement
pre.push(...add);
add = [];
} else if (str === ":") {
add.pop(); // do not add colon token to statement
}
}
}
if (add.length > 0) {
wa.addUnknown(pre, add, colon);
}
}
} |