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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 29878x 29878x 2175x 2175x 29878x 172x 316x 316x 172x 27703x 27703x 1x 1x 1x 1x 1x 1x 1x 1x 8056x 8056x 8056x 8056x 1x 1x 26548x 26548x 26548x 26548x 1x 1x 8056x 8056x 1x 1x 26548x 26548x 26548x 3357x 3357x 26548x 156748x 156748x 26548x 26548x 26548x 1x 1x 1x 1x 1x 1x 1x 1x 8027x 1x 1x 8027x 8027x 8027x 1x 1x 1x 8027x 8027x 8027x 8027x 8027x 8056x 8056x 8056x 8056x 8027x 8027x 8056x 8056x 8056x 664x 664x 8056x 8056x 8027x 8027x 8027x 1x 1x 1x 730x 730x 730x 5265x 5265x 730x 730x 730x 1x 1x 1x 1x 1x 664x 664x 664x 2506x 2506x 713x 713x 713x 713x 713x 713x 651x 349x 3x 3x 346x 349x 41x 41x 41x 41x 349x 651x 713x 2506x 2506x 664x 664x 664x 1x 1x 651x 651x 651x 651x 651x 7392x 352x 352x 7392x 7392x 7392x 651x 651x 651x 1x 1x 8056x 8056x 8056x 26934x 26934x 26934x 26934x 22x 26934x 45x 45x 11x 45x 34x 34x 34x 3x 3x 3x 3x 3x 3x 3x 3x 34x 45x 26934x 8056x 1x 1x 1x 8056x 8056x 8056x 26833x 26833x 8056x 8056x 1x 1x 27179x 27179x 27179x 27179x 27179x 27179x 27179x 15x 15x 27179x 26879x 26755x 26879x 124x 1x 1x 26879x 27179x 27179x 27179x 1x 1x 26755x 26755x 26755x 26755x 26755x 137691x 137691x 69x 137691x 137622x 137622x 137691x 26755x 26755x 26755x 1x 1x 26755x 26755x 26755x 3x 3x 26752x 26755x 58299x 58299x 23626x 23626x 23626x 23626x 58299x 3126x 26755x 5825x 5825x 2159x 2159x 2159x 2159x 5825x 967x 967x 967x 1x 1x 1x 1x 1x 8056x 8056x 8056x 8056x 8056x 159332x 285x 285x 285x 159047x 159047x 159047x 159047x 159332x 52904x 24324x 24324x 24324x 24324x 52904x 2100x 2100x 28580x 1103x 1103x 1103x 1103x 26480x 2x 2x 52904x 159332x 8056x 8056x 124x 124x 8056x 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);
}
}
} |