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 9889x 9889x 9889x 9889x 9889x 9889x 9889x 1x 1x 332207x 332207x 198451x 198451x 198451x 198451x 198451x 191346x 191346x 136875x 136875x 191346x 198451x 198451x 198451x 198451x 175529x 175529x 198451x 198451x 198451x 259x 259x 198451x 198451x 198451x 320x 198451x 2688x 198131x 650x 650x 650x 276x 650x 180x 374x 178x 194x 11x 16x 5x 5x 195443x 81x 194793x 67645x 30232x 67645x 244x 244x 244x 193x 244x 51x 51x 37413x 6490x 1153x 6490x 459x 5337x 2600x 4878x 2278x 2278x 37169x 244x 151x 244x 42x 93x 46x 51x 5x 5x 30679x 6492x 3663x 6492x 76x 2829x 2713x 2753x 40x 40x 30435x 4101x 93x 4101x 30x 4008x 10x 3978x 3968x 3968x 23943x 420x 185x 420x 162x 235x 2x 73x 71x 71x 19842x 1922x 1922x 1908x 1922x 14x 14x 14x 1922x 194712x 12887x 533x 533x 1x 533x 532x 532x 532x 12887x 474x 2x 474x 472x 472x 472x 472x 474x 12887x 198451x 198451x 143560x 143560x 198451x 198451x 332207x 332207x 1x 1x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 9889x 1068578x 1068578x 1068578x 1068578x 1068578x 1068578x 1041010x 293513x 1041010x 2531x 2531x 2531x 747497x 649x 649x 649x 744966x 157x 157x 157x 744317x 81x 81x 81x 744160x 744079x 315x 315x 315x 744079x 1910x 743764x 741854x 474x 741854x 741380x 741380x 950x 950x 741380x 740430x 740430x 18083x 18083x 1068578x 77x 77x 77x 27568x 27491x 27491x 27491x 27491x 27491x 157x 157x 157x 1x 157x 156x 156x 27491x 27334x 27334x 27334x 649x 649x 649x 27334x 26685x 26685x 1x 26685x 26684x 26684x 26684x 26684x 26684x 2524x 2524x 2524x 4x 2524x 2520x 2520x 26684x 247x 247x 24160x 1068578x 1068578x 9889x 9889x 1068578x 9889x 9889x 9889x 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();
}
} |