Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 260697x 260697x 166592x 166592x 166592x 166592x 166592x 160762x 160762x 114338x 114338x 160762x 166592x 166592x 166592x 166592x 148222x 148222x 166592x 166592x 166592x 247x 247x 166592x 166592x 166592x 307x 166592x 2527x 166285x 641x 641x 641x 273x 641x 177x 368x 175x 191x 11x 16x 5x 5x 163758x 81x 163117x 57529x 26732x 57529x 233x 233x 233x 185x 233x 48x 48x 30797x 5232x 906x 5232x 386x 4326x 2207x 3940x 1733x 1733x 30564x 233x 149x 233x 36x 84x 43x 48x 5x 5x 25332x 5234x 3032x 5234x 68x 2202x 2117x 2134x 17x 17x 25099x 3722x 40x 3722x 17x 3682x 10x 3665x 3655x 3655x 19865x 234x 151x 234x 20x 83x 2x 63x 61x 61x 16143x 496x 496x 482x 496x 14x 14x 14x 496x 163036x 10285x 465x 465x 1x 465x 464x 464x 464x 10285x 445x 2x 445x 443x 443x 443x 443x 445x 10285x 166592x 166592x 120010x 120010x 166592x 166592x 260697x 260697x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 8419x 885370x 885370x 885370x 885370x 885370x 885370x 859291x 229306x 859291x 2372x 2372x 2372x 629985x 640x 640x 640x 627613x 155x 155x 155x 626973x 81x 81x 81x 626818x 626737x 302x 302x 302x 626737x 484x 626435x 625951x 445x 625951x 625506x 625506x 887x 887x 625506x 624619x 624619x 14133x 14133x 885370x 77x 77x 77x 26079x 26002x 26002x 26002x 26002x 26002x 155x 155x 155x 1x 155x 154x 154x 26002x 25847x 25847x 25847x 640x 640x 640x 25847x 25207x 25207x 1x 25207x 25206x 25206x 25206x 25206x 25206x 2365x 2365x 2365x 4x 2365x 2361x 2361x 25206x 235x 235x 22841x 885370x 885370x 8419x 8419x 885370x 8419x 8419x 8419x 8419x 8419x | import {IFile} from "../../files/_ifile";
import {Position} from "../../position";
import {VirtualPosition} from "../../virtual_position";
import {AbstractToken} from "./tokens/abstract_token";
import {IABAPLexerResult} from "./lexer_result";
import {At, AtW, BracketLeft, BracketLeftW, BracketRight, BracketRightW, Comment, Dash, DashW, Identifier, InstanceArrow, InstanceArrowW, ParenLeft, ParenLeftW, ParenRight, ParenRightW, Plus, PlusW, Pragma, Punctuation, StaticArrow, StaticArrowW, StringTemplate, StringTemplateBegin, StringTemplateEnd, StringTemplateMiddle, StringToken, WAt, WAtW, WBracketLeft, WBracketLeftW, WBracketRight, WBracketRightW, WDash, WDashW, WInstanceArrow, WInstanceArrowW, WParenLeft, WParenLeftW, WParenRight, WParenRightW, WPlus, WPlusW, WStaticArrow, WStaticArrowW} from "./tokens";
import {LexerBuffer} from "./lexer_buffer";
import {LexerStream} from "./lexer_stream";
export class Lexer {
private readonly ModeNormal: number = 1;
private readonly ModePing: number = 2;
private readonly ModeStr: number = 3;
private readonly ModeTemplate: number = 4;
private readonly ModeComment: number = 5;
private readonly ModePragma: number = 6;
private virtual: Position | undefined;
private tokens: AbstractToken[];
private m: number;
private stream: LexerStream;
private buffer: LexerBuffer;
public run(file: IFile, virtual?: Position): IABAPLexerResult {
this.virtual = virtual;
this.tokens = [];
this.m = this.ModeNormal;
this.process(file.getRaw());
return {file, tokens: this.tokens};
}
private add() {
const s = this.buffer.get().trim();
if (s.length > 0) {
const col = this.stream.getCol();
const row = this.stream.getRow();
let whiteBefore = false;
if (this.stream.getOffset() - s.length >= 0) {
const prev = this.stream.getRaw().substr(this.stream.getOffset() - s.length, 1);
if (prev === " " || prev === "\n" || prev === "\t" || prev === ":") {
whiteBefore = true;
}
}
let whiteAfter = false;
const next = this.stream.nextChar();
if (next === " " || next === "\n" || next === "\t" || next === ":" || next === "," || next === "." || next === "" || next === "\"") {
whiteAfter = true;
}
let pos = new Position(row, col - s.length);
if (this.virtual) {
pos = new VirtualPosition(this.virtual, pos.getRow(), pos.getCol());
}
let tok: AbstractToken | undefined = undefined;
if (this.m === this.ModeComment) {
tok = new Comment(pos, s);
} else if (this.m === this.ModePing || this.m === this.ModeStr) {
tok = new StringToken(pos, s);
} else if (this.m === this.ModeTemplate) {
const first = s.charAt(0);
const last = s.charAt(s.length - 1);
if (first === "|" && last === "|") {
tok = new StringTemplate(pos, s);
} else if (first === "|" && last === "{" && whiteAfter === true) {
tok = new StringTemplateBegin(pos, s);
} else if (first === "}" && last === "|" && whiteBefore === true) {
tok = new StringTemplateEnd(pos, s);
} else if (first === "}" && last === "{" && whiteAfter === true && whiteBefore === true) {
tok = new StringTemplateMiddle(pos, s);
} else {
tok = new Identifier(pos, s);
}
} else if (s.length > 2 && s.substr(0, 2) === "##") {
tok = new Pragma(pos, s);
} else if (s.length === 1) {
if (s === "." || s === ",") {
tok = new Punctuation(pos, s);
} else if (s === "[") {
if (whiteBefore === true && whiteAfter === true) {
tok = new WBracketLeftW(pos, s);
} else if (whiteBefore === true) {
tok = new WBracketLeft(pos, s);
} else if (whiteAfter === true) {
tok = new BracketLeftW(pos, s);
} else {
tok = new BracketLeft(pos, s);
}
} else if (s === "(") {
if (whiteBefore === true && whiteAfter === true) {
tok = new WParenLeftW(pos, s);
} else if (whiteBefore === true) {
tok = new WParenLeft(pos, s);
} else if (whiteAfter === true) {
tok = new ParenLeftW(pos, s);
} else {
tok = new ParenLeft(pos, s);
}
} else if (s === "]") {
if (whiteBefore === true && whiteAfter === true) {
tok = new WBracketRightW(pos, s);
} else if (whiteBefore === true) {
tok = new WBracketRight(pos, s);
} else if (whiteAfter === true) {
tok = new BracketRightW(pos, s);
} else {
tok = new BracketRight(pos, s);
}
} else if (s === ")") {
if (whiteBefore === true && whiteAfter === true) {
tok = new WParenRightW(pos, s);
} else if (whiteBefore === true) {
tok = new WParenRight(pos, s);
} else if (whiteAfter === true) {
tok = new ParenRightW(pos, s);
} else {
tok = new ParenRight(pos, s);
}
} else if (s === "-") {
if (whiteBefore === true && whiteAfter === true) {
tok = new WDashW(pos, s);
} else if (whiteBefore === true) {
tok = new WDash(pos, s);
} else if (whiteAfter === true) {
tok = new DashW(pos, s);
} else {
tok = new Dash(pos, s);
}
} else if (s === "+") {
if (whiteBefore === true && whiteAfter === true) {
tok = new WPlusW(pos, s);
} else if (whiteBefore === true) {
tok = new WPlus(pos, s);
} else if (whiteAfter === true) {
tok = new PlusW(pos, s);
} else {
tok = new Plus(pos, s);
}
} else if (s === "@") {
if (whiteBefore === true && whiteAfter === true) {
tok = new WAtW(pos, s);
} else if (whiteBefore === true) {
tok = new WAt(pos, s);
} else if (whiteAfter === true) {
tok = new AtW(pos, s);
} else {
tok = new At(pos, s);
}
}
} else if (s.length === 2) {
if (s === "->") {
if (whiteBefore === true && whiteAfter === true) {
tok = new WInstanceArrowW(pos, s);
} else if (whiteBefore === true) {
tok = new WInstanceArrow(pos, s);
} else if (whiteAfter === true) {
tok = new InstanceArrowW(pos, s);
} else {
tok = new InstanceArrow(pos, s);
}
} else if (s === "=>") {
if (whiteBefore === true && whiteAfter === true) {
tok = new WStaticArrowW(pos, s);
} else if (whiteBefore === true) {
tok = new WStaticArrow(pos, s);
} else if (whiteAfter === true) {
tok = new StaticArrowW(pos, s);
} else {
tok = new StaticArrow(pos, s);
}
}
}
if (tok === undefined) {
tok = new Identifier(pos, s);
}
this.tokens.push(tok);
}
this.buffer.clear();
}
private process(raw: string) {
this.stream = new LexerStream(raw.replace(/\r/g, ""));
this.buffer = new LexerBuffer();
const splits: {[name: string]: boolean} = {};
splits[" "] = true;
splits[":"] = true;
splits["."] = true;
splits[","] = true;
splits["-"] = true;
splits["+"] = true;
splits["("] = true;
splits[")"] = true;
splits["["] = true;
splits["]"] = true;
splits["\t"] = true;
splits["\n"] = true;
const bufs: {[name: string]: boolean} = {};
bufs["."] = true;
bufs[","] = true;
bufs[":"] = true;
bufs["("] = true;
bufs[")"] = true;
bufs["["] = true;
bufs["]"] = true;
bufs["+"] = true;
bufs["@"] = true;
for (;;) {
const current = this.stream.currentChar();
const buf = this.buffer.add(current);
const ahead = this.stream.nextChar();
const aahead = this.stream.nextNextChar();
if (this.m === this.ModeNormal) {
if (splits[ahead]) {
this.add();
} else if (ahead === "'") {
// start string
this.add();
this.m = this.ModeStr;
} else if (ahead === "|" || ahead === "}") {
// start template
this.add();
this.m = this.ModeTemplate;
} else if (ahead === "`") {
// start ping
this.add();
this.m = this.ModePing;
} else if (aahead === "##") {
// start pragma
this.add();
this.m = this.ModePragma;
} else if (ahead === "\""
|| (ahead === "*" && current === "\n")) {
// start comment
this.add();
this.m = this.ModeComment;
} else if (ahead === "@" && buf.trim().length === 0) {
this.add();
} else if (aahead === "->"
|| aahead === "=>") {
this.add();
} else if (current === ">"
&& ahead !== " "
&& (this.stream.prevChar() === "-" || this.stream.prevChar() === "=")) {
// arrows
this.add();
} else if (buf.length === 1
&& (bufs[buf]
|| (buf === "-" && ahead !== ">"))) {
this.add();
}
} else if (this.m === this.ModePragma && (ahead === "," || ahead === ":" || ahead === "." || ahead === " " || ahead === "\n")) {
// end of pragma
this.add();
this.m = this.ModeNormal;
} else if (this.m === this.ModePing
&& buf.length > 1
&& current === "`"
&& aahead !== "``"
&& ahead !== "`"
&& this.buffer.countIsEven("`")) {
// end of ping
this.add();
if (ahead === `"`) {
this.m = this.ModeComment;
} else {
this.m = this.ModeNormal;
}
} else if (this.m === this.ModeTemplate
&& buf.length > 1
&& (current === "|" || current === "{")
&& (this.stream.prevChar() !== "\\" || this.stream.prevPrevChar() === "\\\\")) {
// end of template
this.add();
this.m = this.ModeNormal;
} else if (this.m === this.ModeTemplate
&& ahead === "}"
&& current !== "\\") {
this.add();
} else if (this.m === this.ModeStr
&& current === "'"
&& buf.length > 1
&& aahead !== "''"
&& ahead !== "'"
&& this.buffer.countIsEven("'")) {
// end of string
this.add();
if (ahead === "\"") {
this.m = this.ModeComment;
} else {
this.m = this.ModeNormal;
}
} else if (ahead === "\n" && this.m !== this.ModeTemplate) {
this.add();
this.m = this.ModeNormal;
} else if (this.m === this.ModeTemplate && current === "\n") {
this.add();
}
if (!this.stream.advance()) {
break;
}
}
this.add();
}
} |