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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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 10733x 10733x 74x 74x 74x 74x 74x 10733x 1x 1x 92x 92x 92x 92x 92x 92x 1x 1x 72x 72x 1x 1x 52x 52x 1x 1x 1354x 74x 74x 1280x 1280x 1x 1x 74x 74x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 10733x 10733x 10733x 10733x 10733x 10733x 10733x 1x 1x 5x 5x 1x 1x 10807x 10807x 10807x 10807x 10807x 10807x 10751x 10751x 10807x 10807x 31232x 31232x 31232x 31232x 103x 103x 103x 103x 31232x 98x 98x 98x 98x 98x 51x 51x 51x 51x 51x 51x 51x 31129x 194x 92x 92x 92x 92x 194x 101x 101x 101x 194x 31232x 10807x 1x 1x 10823x 10823x 10823x 10823x 10823x 10823x 10823x 31132x 31132x 1262x 1262x 74x 74x 74x 59x 43x 43x 59x 59x 74x 74x 74x 74x 72x 72x 72x 72x 77x 77x 72x 74x 2x 2x 2x 74x 74x 1262x 1188x 1188x 1262x 31058x 31058x 10823x 10823x 10823x 1x 1x 1x 1x 72x 72x 25x 25x 47x 47x 72x 63x 63x 1x 1x 1x 63x 63x 47x 47x 47x 72x 20x 20x 20x 20x 20x 47x 47x 47x 47x 47x 47x 47x 1x 1x 47x 47x 47x 47x 47x 26x 26x 26x 14x 14x 26x 26x 26x 26x 9x 26x 17x 17x 26x 26x 6x 26x 20x 20x 20x 20x 26x 47x 47x 47x 1x 1x 1267x 1267x 1267x 2615x 1086x 2615x 1366x 1267x 1366x 99x 99x 1529x 1x 163x 162x 162x 1366x 1366x 1267x 1267x 1x 1x 177x 177x 177x 621x 621x 177x 177x 177x 1x 1x | import * as Statements from "./statements";
import * as Expressions from "./expressions";
import * as Tokens from "../1_lexer/tokens";
import {MacroContent, Comment, Unknown, MacroCall, MacroRecursion} from "./statements/_statement";
import {StatementNode} from "../nodes/statement_node";
import {AbstractToken} from "../1_lexer/tokens/abstract_token";
import {TokenNode} from "../nodes/token_node";
import {ABAPRelease, LanguageVersion} from "../../version";
import {StatementParser} from "./statement_parser";
import {MemoryFile} from "../../files/memory_file";
import {Lexer} from "../1_lexer/lexer";
import {VirtualPosition} from "../../virtual_position";
import {IRegistry} from "../../_iregistry";
import {Program} from "../../objects/program";
import {IFile} from "../../files/_ifile";
import {Position} from "../../position";
class Macros {
private readonly macros: {[index: string]: {
statements: StatementNode[],
filename: string | undefined,
}};
public constructor(globalMacros: readonly string[]) {
this.macros = {};
for (const m of globalMacros) {
this.macros[m.toUpperCase()] = {
statements: [],
filename: undefined,
};
}
}
public addMacro(name: string, contents: StatementNode[], filename: string): void {
if (this.isMacro(name)) {
return;
}
this.macros[name.toUpperCase()] = {
statements: contents,
filename: filename,
};
}
public getContents(name: string): StatementNode[] | undefined {
return this.macros[name.toUpperCase()].statements;
}
public listMacroNames(): string[] {
return Object.keys(this.macros);
}
public isMacro(name: string): boolean {
if (this.macros[name.toUpperCase()]) {
return true;
}
return false;
}
public getMacroFilename(name: string): string | undefined {
return this.macros[name.toUpperCase()].filename;
}
}
export class ExpandMacros {
private readonly macros: Macros;
private readonly globalMacros: readonly string[];
private readonly release: ABAPRelease;
private readonly languageVersion: LanguageVersion;
private readonly reg?: IRegistry;
// "reg" must be supplied if there are cross object macros via INCLUDE
public constructor(globalMacros: readonly string[], release: ABAPRelease, reg?: IRegistry,
languageVersion: LanguageVersion = LanguageVersion.Normal) {
this.macros = new Macros(globalMacros);
this.release = release;
this.languageVersion = languageVersion;
this.globalMacros = globalMacros;
this.reg = reg;
}
public listMacroNames(): string[] {
return this.macros.listMacroNames();
}
public find(statements: StatementNode[], file: IFile, clear = true) {
let nameToken: AbstractToken | undefined = undefined;
let start: Position | undefined = undefined;
let contents: StatementNode[] = [];
const macroReferences = this.reg?.getMacroReferences();
if (clear) {
macroReferences?.clear(file.getFilename());
}
for (let i = 0; i < statements.length; i++) {
const statement = statements[i];
const type = statement.get();
if (type instanceof Statements.Define) {
// todo, will this break if first token is a pragma?
nameToken = statement.getTokens()[1];
start = statement.getFirstToken().getStart();
contents = [];
} else if (type instanceof Statements.Include) {
const includeName = statement.findDirectExpression(Expressions.IncludeName)?.concatTokens();
// todo, this does not take function module includes into account
// todo, workaround for cyclic includes?
const prog = this.reg?.getObject("PROG", includeName) as Program | undefined;
if (prog) {
prog.parse(this.release, this.globalMacros, this.reg, this.languageVersion);
const includeMainFile = prog.getMainABAPFile();
if (includeMainFile) {
// slow, this copies everything,
this.find([...includeMainFile.getStatements()], includeMainFile, false);
}
}
} else if (nameToken) {
if (type instanceof Statements.EndOfDefinition) {
this.macros.addMacro(nameToken.getStr(), contents, file.getFilename());
macroReferences?.addDefinition({filename: file.getFilename(), token: nameToken}, start!, statement.getLastToken().getEnd());
nameToken = undefined;
} else if (!(type instanceof Comment)) {
statements[i] = new StatementNode(new MacroContent()).setChildren(this.tokensToNodes(statement.getTokens()));
contents.push(statements[i]);
}
}
}
}
public handleMacros(statements: readonly StatementNode[], file: IFile,
seen: ReadonlySet<string> = new Set()): {statements: StatementNode[], containsUnknown: boolean} {
const result: StatementNode[] = [];
let containsUnknown = false;
const macroReferences = this.reg?.getMacroReferences();
for (const statement of statements) {
const type = statement.get();
if (type instanceof Unknown || type instanceof MacroCall) {
const macroName = ExpandMacros.findName(statement.getTokens());
if (macroName && this.macros.isMacro(macroName)) {
const filename = this.macros.getMacroFilename(macroName);
if (filename) {
macroReferences?.addReference({
filename: filename,
token: statement.getFirstToken(),
});
}
result.push(new StatementNode(new MacroCall(), statement.getColon()).setChildren(this.tokensToNodes(statement.getTokens())));
if (!seen.has(macroName.toUpperCase())) {
const expanded = this.expandContents(macroName, statement);
const nextSeen = new Set(seen).add(macroName.toUpperCase());
const handled = this.handleMacros(expanded, file, nextSeen);
for (const e of handled.statements) {
result.push(e);
}
if (handled.containsUnknown === true) {
containsUnknown = true;
}
} else {
const node = new StatementNode(new MacroRecursion(), statement.getColon());
result.push(node.setChildren(this.tokensToNodes(statement.getTokens())));
}
continue;
} else {
containsUnknown = true;
}
}
result.push(statement);
}
return {statements: result, containsUnknown};
}
//////////////
private expandContents(name: string, statement: StatementNode): readonly StatementNode[] {
const contents = this.macros.getContents(name);
if (contents === undefined || contents.length === 0) {
return [];
}
let str = "";
for (const c of contents) {
let concat = c.concatTokens();
if (c.getTerminator() === ",") {
// workaround for chained statements
concat = concat.replace(/,$/, ".");
}
str += concat + "\n";
}
const inputs = this.buildInput(statement);
let i = 1;
for (const input of inputs) {
const search = "&" + i;
const reg = new RegExp(search, "g");
str = str.replace(reg, input);
i++;
}
const file = new MemoryFile("expand_macros.abap.prog", str);
const lexerResult = new Lexer().run(file, statement.getFirstToken().getStart());
const result = new StatementParser(this.release, this.reg, this.languageVersion).run([lexerResult], this.macros.listMacroNames());
return result[0].statements;
}
private buildInput(statement: StatementNode): string[] {
const result: string[] = [];
const tokens = statement.getTokens();
let build = "";
for (let i = 1; i < tokens.length - 1; i++) {
const now = tokens[i];
let next: AbstractToken | undefined = tokens[i + 1];
if (i + 2 === tokens.length) {
next = undefined; // dont take the punctuation
}
// argh, macros is a nightmare
let end = now.getStart();
if (end instanceof VirtualPosition) {
end = new VirtualPosition(end, end.vrow, end.vcol + now.getStr().length);
} else {
end = now.getEnd();
}
if (next && next.getStart().equals(end)) {
build += now.getStr();
} else {
build += now.getStr();
result.push(build);
build = "";
}
}
return result;
}
public static findName(tokens: readonly AbstractToken[]): string | undefined {
let macroName: string | undefined = undefined;
let previous: AbstractToken | undefined = undefined;
for (const i of tokens) {
if (previous && previous?.getEnd().getCol() !== i.getStart().getCol()) {
break;
} else if (i instanceof Tokens.Identifier || i.getStr() === "-") {
if (macroName === undefined) {
macroName = i.getStr();
} else {
macroName += i.getStr();
}
} else if (i instanceof Tokens.Pragma) {
continue;
} else {
break;
}
previous = i;
}
return macroName;
}
private tokensToNodes(tokens: readonly AbstractToken[]): TokenNode[] {
const ret: TokenNode[] = [];
for (const t of tokens) {
ret.push(new TokenNode(t));
}
return ret;
}
} |