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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 | 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 8495x 8495x 8495x 8495x 8495x 8495x 8495x 1x 1x 264017x 264017x 168536x 168536x 168536x 168536x 168536x 162674x 162674x 115743x 115743x 162674x 168536x 168536x 168536x 168536x 149814x 149814x 168536x 168536x 168536x 250x 250x 168536x 168536x 168536x 307x 168536x 2525x 168229x 645x 645x 645x 273x 645x 179x 372x 177x 193x 11x 16x 5x 5x 165704x 81x 165059x 58049x 26872x 58049x 236x 236x 236x 186x 236x 50x 50x 31177x 5344x 926x 5344x 389x 4418x 2243x 4029x 1786x 1786x 30941x 236x 150x 236x 36x 86x 45x 50x 5x 5x 25597x 5346x 3087x 5346x 69x 2259x 2173x 2190x 17x 17x 25361x 3777x 44x 3777x 17x 3733x 10x 3716x 3706x 3706x 20015x 239x 152x 239x 20x 87x 2x 67x 65x 65x 16238x 510x 510x 496x 510x 14x 14x 14x 510x 164978x 10427x 467x 467x 1x 467x 466x 466x 466x 10427x 454x 2x 454x 452x 452x 452x 452x 454x 10427x 168536x 168536x 121497x 121497x 168536x 168536x 264017x 264017x 1x 1x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 8495x 896813x 896813x 896813x 896813x 896813x 896813x 870761x 232276x 870761x 2370x 2370x 2370x 638485x 644x 644x 644x 636115x 155x 155x 155x 635471x 81x 81x 81x 635316x 635235x 302x 302x 302x 635235x 498x 634933x 634435x 454x 634435x 633981x 633981x 898x 898x 633981x 633083x 633083x 14369x 14369x 896813x 77x 77x 77x 26052x 25975x 25975x 25975x 25975x 25975x 155x 155x 155x 1x 155x 154x 154x 25975x 25820x 25820x 25820x 644x 644x 644x 25820x 25176x 25176x 1x 25176x 25175x 25175x 25175x 25175x 25175x 2363x 2363x 2363x 4x 2363x 2359x 2359x 25175x 235x 235x 22812x 896813x 896813x 8495x 8495x 896813x 8495x 8495x 8495x 1x 1x | 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";
const ModeNormal: number = 1;
const ModePing: number = 2;
const ModeStr: number = 3;
const ModeTemplate: number = 4;
const ModeComment: number = 5;
const ModePragma: number = 6;
export class Lexer {
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 = 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 === ModeComment) {
tok = new Comment(pos, s);
} else if (this.m === ModePing || this.m === ModeStr) {
tok = new StringToken(pos, s);
} else if (this.m === 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 === ModeNormal) {
if (splits[ahead]) {
this.add();
} else if (ahead === "'") {
// start string
this.add();
this.m = ModeStr;
} else if (ahead === "|" || ahead === "}") {
// start template
this.add();
this.m = ModeTemplate;
} else if (ahead === "`") {
// start ping
this.add();
this.m = ModePing;
} else if (aahead === "##") {
// start pragma
this.add();
this.m = ModePragma;
} else if (ahead === "\""
|| (ahead === "*" && current === "\n")) {
// start comment
this.add();
this.m = 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 === ModePragma && (ahead === "," || ahead === ":" || ahead === "." || ahead === " " || ahead === "\n")) {
// end of pragma
this.add();
this.m = ModeNormal;
} else if (this.m === ModePing
&& buf.length > 1
&& current === "`"
&& aahead !== "``"
&& ahead !== "`"
&& this.buffer.countIsEven("`")) {
// end of ping
this.add();
if (ahead === `"`) {
this.m = ModeComment;
} else {
this.m = ModeNormal;
}
} else if (this.m === ModeTemplate
&& buf.length > 1
&& (current === "|" || current === "{")
&& (this.stream.prevChar() !== "\\" || this.stream.prevPrevChar() === "\\\\")) {
// end of template
this.add();
this.m = ModeNormal;
} else if (this.m === ModeTemplate
&& ahead === "}"
&& current !== "\\") {
this.add();
} else if (this.m === ModeStr
&& current === "'"
&& buf.length > 1
&& aahead !== "''"
&& ahead !== "'"
&& this.buffer.countIsEven("'")) {
// end of string
this.add();
if (ahead === "\"") {
this.m = ModeComment;
} else {
this.m = ModeNormal;
}
} else if (ahead === "\n" && this.m !== ModeTemplate) {
this.add();
this.m = ModeNormal;
} else if (this.m === ModeTemplate && current === "\n") {
this.add();
}
if (!this.stream.advance()) {
break;
}
}
this.add();
}
} |