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 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 258443x 258443x 164977x 164977x 164977x 164977x 164977x 159182x 159182x 113249x 113249x 159182x 164977x 164977x 164977x 164977x 146829x 146829x 164977x 164977x 164977x 247x 247x 164977x 164977x 164977x 307x 164977x 2516x 164670x 639x 639x 639x 273x 639x 176x 366x 174x 190x 11x 16x 5x 5x 162154x 81x 161515x 56951x 26473x 56951x 228x 228x 228x 180x 228x 48x 48x 30478x 5164x 904x 5164x 382x 4260x 2175x 3878x 1703x 1703x 30250x 228x 145x 228x 35x 83x 43x 48x 5x 5x 25086x 5166x 2998x 5166x 68x 2168x 2083x 2100x 17x 17x 24858x 3697x 40x 3697x 17x 3657x 10x 3640x 3630x 3630x 19692x 234x 151x 234x 20x 83x 2x 63x 61x 61x 15995x 481x 481x 467x 481x 14x 14x 14x 481x 161434x 10169x 456x 456x 1x 456x 455x 455x 455x 10169x 443x 2x 443x 441x 441x 441x 441x 443x 10169x 164977x 164977x 118864x 118864x 164977x 164977x 258443x 258443x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 8353x 877714x 877714x 877714x 877714x 877714x 877714x 851700x 227310x 851700x 2361x 2361x 2361x 624390x 638x 638x 638x 622029x 155x 155x 155x 621391x 81x 81x 81x 621236x 621155x 302x 302x 302x 621155x 469x 620853x 620384x 443x 620384x 619941x 619941x 876x 876x 619941x 619065x 619065x 13995x 13995x 877714x 77x 77x 77x 26014x 25937x 25937x 25937x 25937x 25937x 155x 155x 155x 1x 155x 154x 154x 25937x 25782x 25782x 25782x 638x 638x 638x 25782x 25144x 25144x 1x 25144x 25143x 25143x 25143x 25143x 25143x 2354x 2354x 2354x 4x 2354x 2350x 2350x 25143x 235x 235x 22789x 877714x 877714x 8353x 8353x 877714x 8353x 8353x 8353x 8353x 8353x | 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();
}
} |