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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 315x 315x 315x 322x 146x 322x 176x 176x 322x 315x 1x 1x 1x 29888x 29888x 2188x 2188x 29888x 172x 316x 316x 172x 27700x 27700x 1x 1x 1x 1x 1x 1x 1x 1x 8100x 8100x 8100x 8100x 1x 1x 26546x 26546x 26546x 26546x 1x 1x 8100x 8100x 1x 1x 26546x 26546x 26546x 3372x 3372x 26546x 157911x 157911x 26546x 26546x 26546x 1x 1x 1x 1x 1x 1x 1x 1x 8071x 1x 1x 8071x 8071x 8071x 1x 1x 1x 8071x 8071x 8071x 8071x 8071x 8100x 8100x 8100x 8100x 8071x 8071x 8100x 8100x 8100x 667x 667x 8100x 8100x 8071x 8071x 8071x 1x 1x 1x 727x 727x 727x 5257x 5257x 727x 727x 727x 1x 1x 1x 1x 1x 667x 667x 667x 2507x 2507x 716x 716x 716x 716x 716x 716x 654x 348x 3x 3x 345x 348x 40x 40x 40x 40x 348x 654x 716x 2507x 2507x 667x 667x 667x 1x 1x 654x 654x 654x 654x 654x 7421x 351x 351x 7421x 7421x 7421x 654x 654x 654x 1x 1x 8100x 8100x 8100x 26930x 26930x 26930x 26930x 21x 26930x 43x 43x 10x 43x 33x 33x 33x 3x 3x 3x 3x 3x 3x 3x 3x 33x 43x 26930x 8100x 1x 1x 1x 8100x 8100x 8100x 26831x 26831x 8100x 8100x 1x 1x 27176x 27176x 27176x 27176x 27176x 27176x 27176x 15x 15x 27176x 26876x 26751x 26876x 125x 1x 1x 26876x 27176x 27176x 27176x 1x 1x 26751x 26751x 26751x 26751x 26751x 138869x 138869x 69x 138869x 138800x 138800x 138869x 26751x 26751x 26751x 1x 1x 26751x 26751x 26751x 3x 3x 26748x 26751x 58517x 58517x 23608x 23608x 23608x 23608x 58517x 3140x 26751x 5848x 5848x 2172x 2172x 2172x 2172x 5848x 968x 968x 968x 1x 1x 1x 1x 1x 8100x 8100x 8100x 8100x 8100x 160505x 285x 285x 285x 160220x 160220x 160220x 160220x 160505x 53151x 24311x 24311x 24311x 24311x 53151x 2110x 2110x 28840x 1108x 1108x 1108x 1108x 26730x 2x 2x 53151x 160505x 8100x 8100x 125x 125x 8100x 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);
}
}
} |