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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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 7787x 7787x 59x 59x 59x 59x 59x 7787x 1x 1x 71x 71x 71x 71x 71x 71x 1x 1x 56x 56x 1x 1x 40x 40x 1x 1x 835x 56x 56x 779x 779x 1x 1x 56x 56x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 7787x 7787x 7787x 7787x 7787x 1x 1x 7841x 7841x 7841x 7841x 7841x 7841x 7817x 7817x 7841x 7841x 26135x 26135x 26135x 26135x 82x 82x 82x 82x 26135x 68x 68x 68x 68x 68x 24x 24x 24x 24x 24x 24x 24x 26053x 140x 71x 71x 71x 71x 140x 68x 68x 68x 140x 26135x 7841x 1x 1x 7873x 7873x 7873x 7873x 7873x 7873x 26122x 26122x 764x 764x 56x 56x 56x 49x 36x 36x 49x 49x 56x 56x 56x 56x 56x 56x 63x 63x 56x 56x 56x 764x 708x 708x 764x 26066x 26066x 7873x 7873x 7873x 1x 1x 1x 1x 56x 56x 16x 16x 40x 40x 56x 55x 55x 1x 1x 1x 55x 55x 40x 40x 40x 56x 20x 20x 20x 20x 20x 40x 40x 40x 40x 40x 40x 40x 1x 1x 40x 40x 40x 40x 40x 26x 26x 26x 14x 14x 26x 26x 26x 26x 9x 26x 17x 17x 26x 26x 6x 26x 20x 20x 20x 20x 26x 40x 40x 40x 1x 1x 764x 764x 764x 1537x 628x 1537x 791x 764x 791x 27x 27x 909x 1x 118x 117x 117x 791x 791x 764x 764x 1x 1x 124x 124x 124x 406x 406x 124x 124x 124x 1x 1x | import * as Statements from "./statements";
import * as Expressions from "./expressions";
import * as Tokens from "../1_lexer/tokens";
import {MacroContent, Comment, Unknown, MacroCall} from "./statements/_statement";
import {StatementNode} from "../nodes/statement_node";
import {AbstractToken} from "../1_lexer/tokens/abstract_token";
import {TokenNode} from "../nodes/token_node";
import {Version} 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 version: Version;
private readonly reg?: IRegistry;
// "reg" must be supplied if there are cross object macros via INCLUDE
public constructor(globalMacros: readonly string[], version: Version, reg?: IRegistry) {
this.macros = new Macros(globalMacros);
this.version = version;
this.globalMacros = globalMacros;
this.reg = reg;
}
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.version, this.globalMacros, this.reg);
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): {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 = this.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())));
const expanded = this.expandContents(macroName, statement);
const handled = this.handleMacros(expanded, file);
for (const e of handled.statements) {
result.push(e);
}
if (handled.containsUnknown === true) {
containsUnknown = true;
}
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.version, this.reg).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;
}
private 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;
}
} |