clerk/journal/parser/parser.go (view raw)
| 1 | package parser |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | "strconv" |
| 6 | "strings" |
| 7 | |
| 8 | "olexsmir.xyz/clerk/internal/decimal" |
| 9 | "olexsmir.xyz/clerk/journal/ast" |
| 10 | "olexsmir.xyz/clerk/journal/lexer" |
| 11 | "olexsmir.xyz/clerk/journal/token" |
| 12 | ) |
| 13 | |
| 14 | type Parser struct { |
| 15 | lexer *lexer.Lexer |
| 16 | errors []*ast.ParseError |
| 17 | cur token.Token |
| 18 | peek token.Token |
| 19 | |
| 20 | defaultYear int // set by year directive, used for short date inference |
| 21 | } |
| 22 | |
| 23 | func New(lex *lexer.Lexer) *Parser { |
| 24 | p := &Parser{lexer: lex} |
| 25 | p.advance() // populate .peek |
| 26 | p.advance() // populate .cur |
| 27 | return p |
| 28 | } |
| 29 | |
| 30 | func NewWithYear(lex *lexer.Lexer, year int) *Parser { |
| 31 | p := &Parser{lexer: lex, defaultYear: year} |
| 32 | p.advance() // populate .peek |
| 33 | p.advance() // populate .cur |
| 34 | return p |
| 35 | } |
| 36 | |
| 37 | func (p *Parser) ParseJournal() *ast.Journal { |
| 38 | f := &ast.Journal{} |
| 39 | for p.cur.Type != token.EOF { |
| 40 | if e := p.parseEntry(); e != nil { |
| 41 | f.Entries = append(f.Entries, e) |
| 42 | } |
| 43 | } |
| 44 | f.Errors = p.errors |
| 45 | return f |
| 46 | } |
| 47 | |
| 48 | func (p *Parser) parseEntry() ast.Entry { |
| 49 | if p.got(token.BANG) || p.got(token.AT) { |
| 50 | if isDirectiveKeyword(p.peek.Type) { |
| 51 | p.advance() // consume prefix |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | switch p.cur.Type { |
| 56 | case token.ILLEGAL: |
| 57 | p.errorf("illegal character %q", p.cur.Literal) |
| 58 | p.advance() |
| 59 | return nil |
| 60 | case token.INDENT: |
| 61 | p.errorf("unexpected indent") |
| 62 | p.syncToNextline() |
| 63 | return nil |
| 64 | case token.DATE: |
| 65 | return p.parseTransaction() |
| 66 | case token.TILDE: |
| 67 | return p.parsePeriodicTransaction() |
| 68 | case token.EQ: |
| 69 | return p.parseAutomatedTransaction() |
| 70 | case token.NEWLINE: |
| 71 | return p.parseBlankLine() |
| 72 | case token.SEMICOLON, token.HASH, token.PERCENT, token.STAR: |
| 73 | return p.parseComment() |
| 74 | case token.ACCOUNT: |
| 75 | return p.parseAccountDirective() |
| 76 | case token.COMMODITY: |
| 77 | return p.parseCommodityDirective() |
| 78 | case token.INCLUDE: |
| 79 | return p.parseIncludeDirective() |
| 80 | case token.ALIAS: |
| 81 | return p.parseAliasDirective() |
| 82 | case token.PAYEE: |
| 83 | return p.parsePayeeDirective() |
| 84 | case token.TAG: |
| 85 | return p.parseTagDirective() |
| 86 | case token.YEAR: |
| 87 | return p.parseYearDirective() |
| 88 | case token.DECIMALMARK: |
| 89 | return p.parseDecimalMarkDirective() |
| 90 | case token.D: |
| 91 | return p.parseDefaultCommodityDirective() |
| 92 | case token.P: |
| 93 | return p.parseMarketPriceDirective() |
| 94 | case token.N: |
| 95 | return p.parseIgnoredDirective() |
| 96 | case token.C: |
| 97 | return p.parseConversionDirective() |
| 98 | case token.APPLY: |
| 99 | return p.parseApplyDirective() |
| 100 | case token.END: |
| 101 | return p.parseEndDirective() |
| 102 | case token.COMMENTKW: |
| 103 | return p.parseCommentBlockDirective() |
| 104 | default: |
| 105 | p.errorf("unexpected token %s", p.cur.Type) |
| 106 | p.sync() |
| 107 | return nil |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | func (p *Parser) parseTransaction() *ast.Transaction { |
| 112 | s := p.cur.Span |
| 113 | tx := &ast.Transaction{} |
| 114 | |
| 115 | tx.Date = p.parseDate() |
| 116 | |
| 117 | p.skipWhitespace() |
| 118 | |
| 119 | // optional secondary date |
| 120 | if p.got(token.EQ) { |
| 121 | p.advance() |
| 122 | p.skipWhitespace() |
| 123 | d := p.parseDate() |
| 124 | tx.SecondDate = &d |
| 125 | } |
| 126 | |
| 127 | p.skipWhitespace() |
| 128 | |
| 129 | // optional status |
| 130 | tx.Status = p.parseStatus() |
| 131 | |
| 132 | // optional code - the lexer emits "(CODE)" as a single TEXT token; split it here |
| 133 | if p.got(token.TEXT) { |
| 134 | if lit := p.cur.Literal; len(lit) >= 2 && lit[0] == '(' && lit[len(lit)-1] == ')' { |
| 135 | tx.Code = &ast.Code{Value: lit[1 : len(lit)-1], Span: p.cur.Span} |
| 136 | p.advance() |
| 137 | p.skipWhitespace() |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | // optional payee | note |
| 142 | if p.got(token.TEXT) || p.got(token.STRING) { |
| 143 | tx.Payee = p.parsePayee() |
| 144 | |
| 145 | // check for | separator |
| 146 | p.skipWhitespace() |
| 147 | |
| 148 | if p.got(token.PIPE) { |
| 149 | p.advance() |
| 150 | if p.got(token.TEXT) { |
| 151 | sn := p.cur.Span |
| 152 | n := p.cur.Literal |
| 153 | p.advance() |
| 154 | tx.Note = &ast.Note{Value: n, Span: p.span(sn)} |
| 155 | } |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | tx.Comment = p.parseOptInlineComment() |
| 160 | p.expectNewline() |
| 161 | |
| 162 | tx.HeaderComments, tx.Postings = p.parseHeaderCommentsAndPostings() |
| 163 | |
| 164 | tx.Span = p.span(s) |
| 165 | return tx |
| 166 | } |
| 167 | |
| 168 | func unquote(s string) string { |
| 169 | if len(s) >= 2 && ((s[0] == '"' && s[len(s)-1] == '"') || (s[0] == '\'' && s[len(s)-1] == '\'')) { |
| 170 | return s[1 : len(s)-1] |
| 171 | } |
| 172 | return s |
| 173 | } |
| 174 | |
| 175 | func (p *Parser) parsePayee() *ast.Payee { |
| 176 | s := p.cur.Span |
| 177 | |
| 178 | if p.got(token.STRING) { |
| 179 | name := unquote(p.cur.Literal) |
| 180 | p.advance() |
| 181 | return &ast.Payee{Name: name, Span: p.span(s)} |
| 182 | } |
| 183 | |
| 184 | // keep spaces/tags between text tokens; stop before trailing whitespace |
| 185 | var name strings.Builder |
| 186 | for payeeWord(p.cur.Type) || (payeeWord(p.peek.Type) && p.got(token.WHITESPACE)) { |
| 187 | _, _ = name.WriteString(p.cur.Literal) |
| 188 | p.advance() |
| 189 | } |
| 190 | return &ast.Payee{Name: unquote(name.String()), Span: p.span(s)} |
| 191 | } |
| 192 | |
| 193 | func payeeWord(t token.Type) bool { |
| 194 | switch t { |
| 195 | case token.TEXT, token.INT, token.DECIMAL, token.COMMODITYMARK: |
| 196 | return true |
| 197 | } |
| 198 | return false |
| 199 | } |
| 200 | |
| 201 | func (p *Parser) parsePeriodicTransaction() *ast.PeriodicTransaction { |
| 202 | s := p.cur.Span |
| 203 | p.expect(token.TILDE) |
| 204 | p.skipWhitespace() |
| 205 | |
| 206 | pt := &ast.PeriodicTransaction{} |
| 207 | |
| 208 | pt.Period = p.parsePeriod() |
| 209 | |
| 210 | if desc, dspan := p.parseOptPeriodicDescription(); desc != "" { |
| 211 | pt.Description = &ast.Description{Value: desc, Span: dspan} |
| 212 | } |
| 213 | |
| 214 | comment := p.parseOptInlineComment() |
| 215 | p.expectNewline() |
| 216 | |
| 217 | pt.HeaderComments, pt.Postings = p.parseHeaderCommentsAndPostings() |
| 218 | |
| 219 | pt.Span = p.span(s) |
| 220 | pt.Comment = comment |
| 221 | return pt |
| 222 | } |
| 223 | |
| 224 | func (p *Parser) parseAutomatedTransaction() *ast.AutomatedTransaction { |
| 225 | s := p.cur.Span |
| 226 | p.expect(token.EQ) |
| 227 | p.skipWhitespace() |
| 228 | |
| 229 | at := &ast.AutomatedTransaction{} |
| 230 | |
| 231 | // expression |
| 232 | sd := p.cur.Span |
| 233 | expr := p.parseDirectiveExpr() |
| 234 | at.Expr = ast.Expr{Value: expr, Span: p.span(sd)} |
| 235 | at.Comment = p.parseOptInlineComment() |
| 236 | p.expectNewline() |
| 237 | |
| 238 | at.HeaderComments, at.Postings = p.parseHeaderCommentsAndPostings() |
| 239 | |
| 240 | at.Span = p.span(s) |
| 241 | return at |
| 242 | } |
| 243 | |
| 244 | func (p *Parser) parseHeaderCommentsAndPostings() (comments []*ast.Comment, postings []*ast.Posting) { |
| 245 | for p.got(token.INDENT) && p.willGet(token.SEMICOLON) { |
| 246 | p.advance() // consume indent |
| 247 | comments = append(comments, p.parseComment()) |
| 248 | } |
| 249 | |
| 250 | for p.got(token.INDENT) { |
| 251 | if posting := p.parsePosting(); posting != nil { |
| 252 | postings = append(postings, posting) |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | return comments, postings |
| 257 | } |
| 258 | |
| 259 | func (p *Parser) parsePeriod() ast.Period { |
| 260 | s := p.cur.Span |
| 261 | |
| 262 | var periodBuf strings.Builder |
| 263 | |
| 264 | for !p.got(token.NEWLINE) && !p.got(token.EOF) && |
| 265 | !p.got(token.SEMICOLON) && !p.got(token.HASH) && !p.got(token.PERCENT) && !p.got(token.STAR) { |
| 266 | |
| 267 | if p.got(token.WHITESPACE) { |
| 268 | if len(p.cur.Literal) >= 2 { |
| 269 | break |
| 270 | } |
| 271 | if p.willGet(token.NEWLINE) || p.willGet(token.EOF) || |
| 272 | p.willGet(token.SEMICOLON) || p.willGet(token.HASH) || |
| 273 | p.willGet(token.PERCENT) || p.willGet(token.STAR) { |
| 274 | p.advance() |
| 275 | continue |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | periodBuf.WriteString(p.cur.Literal) |
| 280 | p.advance() |
| 281 | } |
| 282 | |
| 283 | str := periodBuf.String() |
| 284 | period := ast.Period{Raw: str, Span: p.span(s)} |
| 285 | |
| 286 | if _, after, ok := strings.Cut(str, " from "); ok { |
| 287 | end := strings.Index(after, " ") |
| 288 | dateStr := after |
| 289 | if end >= 0 { |
| 290 | dateStr = after[:end] |
| 291 | } |
| 292 | if d := parseSimpleDate(dateStr); d.Year > 0 { |
| 293 | fromOff := strings.Index(str, dateStr) |
| 294 | d.Span = periodDateSpan(period, str, dateStr, fromOff) |
| 295 | period.From = &d |
| 296 | rest := after |
| 297 | if end >= 0 { |
| 298 | rest = after[end:] |
| 299 | } |
| 300 | if _, toAfter, ok := strings.Cut(rest, " to "); ok { |
| 301 | if toEnd := strings.Index(toAfter, " "); toEnd >= 0 { |
| 302 | toAfter = toAfter[:toEnd] |
| 303 | } |
| 304 | if d := parseSimpleDate(toAfter); d.Year > 0 { |
| 305 | d.Span = periodDateSpan(period, str, toAfter, fromOff+len(dateStr)) |
| 306 | period.To = &d |
| 307 | } |
| 308 | } |
| 309 | } |
| 310 | } |
| 311 | return period |
| 312 | } |
| 313 | |
| 314 | // periodDateSpan returns the source span of dateStr, which occurs in the |
| 315 | // period text at or after searchFrom. The period span and text cover the same |
| 316 | // bytes, so offsets line up 1:1. |
| 317 | func periodDateSpan(period ast.Period, text, dateStr string, searchFrom int) token.Span { |
| 318 | off := strings.Index(text[searchFrom:], dateStr) |
| 319 | abs := period.Span.Start.Offset + searchFrom + off |
| 320 | return token.Span{ |
| 321 | Start: token.Pos{File: period.Span.Start.File, Offset: abs}, |
| 322 | End: token.Pos{File: period.Span.Start.File, Offset: abs + len(dateStr)}, |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | func (p *Parser) parseComment() *ast.Comment { |
| 327 | s := p.cur.Span |
| 328 | c := p.parseCommentRest(s) |
| 329 | p.expectNewline() |
| 330 | c.Span = p.span(s) // comment spans its line through the newline |
| 331 | return c |
| 332 | } |
| 333 | |
| 334 | func (p *Parser) parseAccountDirective() *ast.AccountDirective { |
| 335 | s := p.cur.Span |
| 336 | p.expect(token.ACCOUNT) |
| 337 | p.skipWhitespace() |
| 338 | |
| 339 | account := p.parseAccount() |
| 340 | comment := p.parseOptInlineComment() |
| 341 | p.expectNewline() |
| 342 | |
| 343 | for p.got(token.INDENT) { |
| 344 | p.advance() |
| 345 | for !p.got(token.NEWLINE) && !p.got(token.EOF) { |
| 346 | p.advance() |
| 347 | } |
| 348 | p.expectNewline() |
| 349 | } |
| 350 | |
| 351 | return &ast.AccountDirective{ |
| 352 | Account: account, |
| 353 | Comment: comment, |
| 354 | Span: p.span(s), |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | func (p *Parser) parseCommodityDirective() *ast.CommodityDirective { |
| 359 | s := p.cur.Span |
| 360 | p.expect(token.COMMODITY) |
| 361 | p.skipWhitespace() |
| 362 | |
| 363 | var commodity string |
| 364 | var commoditySpan token.Span |
| 365 | var format *ast.Amount |
| 366 | |
| 367 | switch p.cur.Type { |
| 368 | case token.COMMODITYMARK, token.TEXT, token.STRING: |
| 369 | cs := p.cur.Span |
| 370 | commodity = unquote(p.cur.Literal) |
| 371 | p.advance() |
| 372 | commoditySpan = token.Span{Start: cs.Start, End: p.cur.Span.Start} |
| 373 | hadSpace := p.got(token.WHITESPACE) |
| 374 | p.skipWhitespace() |
| 375 | if p.got(token.INT) || p.got(token.DECIMAL) || p.got(token.TEXT) { |
| 376 | format = p.parseAmount() |
| 377 | format.Commodity = commodity |
| 378 | format.CommoditySpan = commoditySpan |
| 379 | format.CommodityPos = ast.CommodityBefore |
| 380 | format.HasSpace = hadSpace |
| 381 | } |
| 382 | case token.INT, token.DECIMAL: |
| 383 | format = p.parseAmount() |
| 384 | commodity = format.Commodity |
| 385 | commoditySpan = format.CommoditySpan |
| 386 | default: |
| 387 | p.errorf("expected commodity name or amount, got %s", p.cur.Type) |
| 388 | } |
| 389 | |
| 390 | if commodity == "" { |
| 391 | p.errorf("expected commodity name, got %s", p.cur.Type) |
| 392 | } |
| 393 | |
| 394 | comment := p.parseOptInlineComment() |
| 395 | p.expectNewline() |
| 396 | |
| 397 | for p.got(token.INDENT) { |
| 398 | p.advance() |
| 399 | p.skipWhitespace() |
| 400 | if p.got(token.TEXT) && p.cur.Literal == "format" { |
| 401 | p.advance() |
| 402 | p.skipWhitespace() |
| 403 | format = p.parseAmount() |
| 404 | p.expectNewline() |
| 405 | continue |
| 406 | } |
| 407 | for !p.got(token.NEWLINE) && !p.got(token.EOF) { |
| 408 | p.advance() |
| 409 | } |
| 410 | p.expectNewline() |
| 411 | } |
| 412 | |
| 413 | cd := &ast.CommodityDirective{ |
| 414 | Commodity: commodity, |
| 415 | CommoditySpan: commoditySpan, |
| 416 | Comment: comment, |
| 417 | Span: p.span(s), |
| 418 | } |
| 419 | if format != nil { |
| 420 | cd.Format = *format |
| 421 | } |
| 422 | return cd |
| 423 | } |
| 424 | |
| 425 | func (p *Parser) parseIncludeDirective() *ast.IncludeDirective { |
| 426 | s := p.cur.Span |
| 427 | p.expect(token.INCLUDE) |
| 428 | p.skipWhitespace() |
| 429 | |
| 430 | id := &ast.IncludeDirective{} |
| 431 | |
| 432 | if p.got(token.TEXT) { |
| 433 | id.Path = p.cur.Literal |
| 434 | p.advance() |
| 435 | } else { |
| 436 | p.errorf("expected file path, got %s", p.cur.Type) |
| 437 | } |
| 438 | |
| 439 | id.Comment = p.parseOptInlineComment() |
| 440 | p.expectNewline() |
| 441 | id.Span = p.span(s) |
| 442 | return id |
| 443 | } |
| 444 | |
| 445 | func (p *Parser) parseAliasDirective() *ast.AliasDirective { |
| 446 | s := p.cur.Span |
| 447 | alias := &ast.AliasDirective{} |
| 448 | p.expect(token.ALIAS) |
| 449 | p.skipWhitespace() |
| 450 | alias.From = p.parseAccount() |
| 451 | p.skipWhitespace() |
| 452 | p.expect(token.EQ) |
| 453 | p.skipWhitespace() |
| 454 | alias.To = p.parseAccount() |
| 455 | alias.Comment = p.parseOptInlineComment() |
| 456 | p.expectNewline() |
| 457 | alias.Span = p.span(s) |
| 458 | return alias |
| 459 | } |
| 460 | |
| 461 | func (p *Parser) parsePayeeDirective() *ast.PayeeDirective { |
| 462 | s := p.cur.Span |
| 463 | p.expect(token.PAYEE) |
| 464 | p.skipWhitespace() |
| 465 | |
| 466 | name := "" |
| 467 | if p.got(token.TEXT) || p.got(token.STRING) || p.got(token.COMMODITYMARK) { |
| 468 | name = p.parsePayee().Name |
| 469 | } |
| 470 | |
| 471 | comment := p.parseOptInlineComment() |
| 472 | p.expectNewline() |
| 473 | |
| 474 | return &ast.PayeeDirective{ |
| 475 | Name: name, |
| 476 | Comment: comment, |
| 477 | Span: p.span(s), |
| 478 | } |
| 479 | } |
| 480 | |
| 481 | func (p *Parser) parseTagDirective() *ast.TagDirective { |
| 482 | s := p.cur.Span |
| 483 | p.expect(token.TAG) |
| 484 | p.skipWhitespace() |
| 485 | |
| 486 | name := "" |
| 487 | if p.got(token.TEXT) || p.got(token.COMMODITYMARK) || p.got(token.STRING) { |
| 488 | name = unquote(p.cur.Literal) |
| 489 | p.advance() |
| 490 | } |
| 491 | |
| 492 | comment := p.parseOptInlineComment() |
| 493 | p.expectNewline() |
| 494 | |
| 495 | return &ast.TagDirective{ |
| 496 | Name: name, |
| 497 | Comment: comment, |
| 498 | Span: p.span(s), |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | func (p *Parser) parseYearDirective() *ast.YearDirective { |
| 503 | s := p.cur.Span |
| 504 | year := &ast.YearDirective{} |
| 505 | p.expect(token.YEAR) |
| 506 | p.skipWhitespace() |
| 507 | |
| 508 | if p.got(token.INT) { |
| 509 | year.Year, _ = strconv.Atoi(p.cur.Literal) |
| 510 | p.defaultYear = year.Year |
| 511 | p.advance() |
| 512 | } else { |
| 513 | p.errorf("expected year, got %s", p.cur.Type) |
| 514 | } |
| 515 | |
| 516 | year.Comment = p.parseOptInlineComment() |
| 517 | p.expectNewline() |
| 518 | year.Span = p.span(s) |
| 519 | |
| 520 | return year |
| 521 | } |
| 522 | |
| 523 | func (p *Parser) parseDecimalMarkDirective() *ast.DecimalMarkDirective { |
| 524 | s := p.cur.Span |
| 525 | mark := &ast.DecimalMarkDirective{} |
| 526 | p.expect(token.DECIMALMARK) |
| 527 | p.skipWhitespace() |
| 528 | |
| 529 | mark.Mark = byte('.') |
| 530 | if p.got(token.TEXT) { |
| 531 | if len(p.cur.Literal) > 0 { |
| 532 | mark.Mark = p.cur.Literal[0] |
| 533 | } |
| 534 | p.advance() |
| 535 | } |
| 536 | |
| 537 | mark.Comment = p.parseOptInlineComment() |
| 538 | p.expectNewline() |
| 539 | mark.Span = p.span(s) |
| 540 | return mark |
| 541 | } |
| 542 | |
| 543 | func (p *Parser) parseDefaultCommodityDirective() *ast.DefaultCommodityDirective { |
| 544 | s := p.cur.Span |
| 545 | com := &ast.DefaultCommodityDirective{} |
| 546 | p.expect(token.D) |
| 547 | p.skipWhitespace() |
| 548 | com.Amount = *p.parseAmount() |
| 549 | com.Comment = p.parseOptInlineComment() |
| 550 | p.expectNewline() |
| 551 | com.Span = p.span(s) |
| 552 | return com |
| 553 | } |
| 554 | |
| 555 | func (p *Parser) parseConversionDirective() *ast.ConversionDirective { |
| 556 | s := p.cur.Span |
| 557 | cd := &ast.ConversionDirective{} |
| 558 | p.expect(token.C) |
| 559 | p.skipWhitespace() |
| 560 | |
| 561 | if p.isAmountStart() { |
| 562 | cd.From = *p.parseAmount() |
| 563 | } else { |
| 564 | p.errorf("expected amount, got %s", p.cur.Type) |
| 565 | } |
| 566 | |
| 567 | p.skipWhitespace() |
| 568 | if p.got(token.EQ) { |
| 569 | p.advance() |
| 570 | p.skipWhitespace() |
| 571 | if p.isAmountStart() { |
| 572 | cd.To = *p.parseAmount() |
| 573 | } else { |
| 574 | p.errorf("expected amount, got %s", p.cur.Type) |
| 575 | } |
| 576 | } |
| 577 | |
| 578 | cd.Comment = p.parseOptInlineComment() |
| 579 | p.expectNewline() |
| 580 | cd.Span = p.span(s) |
| 581 | return cd |
| 582 | } |
| 583 | |
| 584 | func (p *Parser) parseIgnoredDirective() *ast.IgnoredDirective { |
| 585 | s := p.cur.Span |
| 586 | p.expect(token.N) |
| 587 | p.skipWhitespace() |
| 588 | |
| 589 | id := &ast.IgnoredDirective{} |
| 590 | if p.got(token.TEXT) || p.got(token.COMMODITYMARK) { |
| 591 | id.Text = p.cur.Literal |
| 592 | p.advance() |
| 593 | } |
| 594 | id.Comment = p.parseOptInlineComment() |
| 595 | |
| 596 | p.expectNewline() |
| 597 | id.Span = p.span(s) |
| 598 | return id |
| 599 | } |
| 600 | |
| 601 | func (p *Parser) parseMarketPriceDirective() *ast.MarketPriceDirective { |
| 602 | s := p.cur.Span |
| 603 | p.expect(token.P) |
| 604 | p.skipWhitespace() |
| 605 | |
| 606 | mp := &ast.MarketPriceDirective{} |
| 607 | mp.DateTime.Date = p.parseDate() |
| 608 | p.skipWhitespace() |
| 609 | |
| 610 | if p.got(token.TIME) { |
| 611 | mp.DateTime.Time = new(p.parseTime()) |
| 612 | p.skipWhitespace() |
| 613 | } |
| 614 | |
| 615 | tok, _ := p.expect(token.COMMODITYMARK) |
| 616 | mp.Commodity = tok.Literal |
| 617 | p.skipWhitespace() |
| 618 | |
| 619 | mp.Amount = *p.parseAmount() |
| 620 | |
| 621 | mp.Comment = p.parseOptInlineComment() |
| 622 | |
| 623 | p.expectNewline() |
| 624 | mp.Span = p.span(s) |
| 625 | return mp |
| 626 | } |
| 627 | |
| 628 | func (p *Parser) parseTime() ast.Time { |
| 629 | s := p.cur.Span |
| 630 | tok, _ := p.expect(token.TIME) |
| 631 | lit := tok.Literal |
| 632 | |
| 633 | parts := strings.Split(lit, ":") |
| 634 | if len(parts) < 2 { |
| 635 | p.errorf("invalid time format: %q", lit) |
| 636 | return ast.Time{Span: p.span(s)} |
| 637 | } |
| 638 | |
| 639 | hour, _ := strconv.Atoi(parts[0]) |
| 640 | minute, _ := strconv.Atoi(parts[1]) |
| 641 | second := 0 |
| 642 | if len(parts) > 2 { |
| 643 | second, _ = strconv.Atoi(parts[2]) |
| 644 | } |
| 645 | |
| 646 | if hour < 0 || hour > 23 { |
| 647 | p.errorf("invalid hour %d in time %q", hour, lit) |
| 648 | } |
| 649 | if minute < 0 || minute > 59 { |
| 650 | p.errorf("invalid minute %d in time %q", minute, lit) |
| 651 | } |
| 652 | if second < 0 || second > 59 { |
| 653 | p.errorf("invalid second %d in time %q", second, lit) |
| 654 | } |
| 655 | |
| 656 | return ast.Time{ |
| 657 | Hour: hour, |
| 658 | Minute: minute, |
| 659 | Second: second, |
| 660 | Span: p.span(s), |
| 661 | } |
| 662 | } |
| 663 | |
| 664 | func (p *Parser) parseApplyDirective() *ast.ApplyDirective { |
| 665 | s := p.cur.Span |
| 666 | p.expect(token.APPLY) |
| 667 | p.skipWhitespace() |
| 668 | |
| 669 | expr := p.parseDirectiveExpr() |
| 670 | comment := p.parseOptInlineComment() |
| 671 | p.expectNewline() |
| 672 | |
| 673 | return &ast.ApplyDirective{ |
| 674 | Expr: expr, |
| 675 | Comment: comment, |
| 676 | Span: p.span(s), |
| 677 | } |
| 678 | } |
| 679 | |
| 680 | func (p *Parser) parseEndDirective() *ast.EndDirective { |
| 681 | s := p.cur.Span |
| 682 | p.expect(token.END) |
| 683 | p.skipWhitespace() |
| 684 | |
| 685 | expr := p.parseDirectiveExpr() |
| 686 | comment := p.parseOptInlineComment() |
| 687 | p.expectNewline() |
| 688 | |
| 689 | return &ast.EndDirective{ |
| 690 | Expr: expr, |
| 691 | Comment: comment, |
| 692 | Span: p.span(s), |
| 693 | } |
| 694 | } |
| 695 | |
| 696 | func (p *Parser) parseCommentBlockDirective() *ast.CommentBlockDirective { |
| 697 | start := p.cur.Span |
| 698 | p.expect(token.COMMENTKW) |
| 699 | p.skipWhitespace() |
| 700 | |
| 701 | header := p.parseDirectiveExpr() |
| 702 | comment := p.parseOptInlineComment() |
| 703 | p.expectNewline() |
| 704 | |
| 705 | var content strings.Builder |
| 706 | for p.cur.Type != token.EOF { |
| 707 | if p.got(token.END) { |
| 708 | if p.willGet(token.NEWLINE) || p.willGet(token.EOF) { |
| 709 | p.advance() |
| 710 | p.expectNewline() |
| 711 | break |
| 712 | } |
| 713 | if p.willGet(token.WHITESPACE) { |
| 714 | endTok := p.cur |
| 715 | p.advance() |
| 716 | wsTok := p.cur |
| 717 | p.advance() |
| 718 | if p.got(token.TEXT) && p.cur.Literal == "comment" { // todo: this should check if it's an actual COMMENTKW token |
| 719 | p.advance() |
| 720 | p.parseDirectiveExpr() |
| 721 | p.parseOptInlineComment() |
| 722 | p.expectNewline() |
| 723 | break |
| 724 | } |
| 725 | content.WriteString(endTok.Literal) |
| 726 | content.WriteString(wsTok.Literal) |
| 727 | continue |
| 728 | } |
| 729 | } |
| 730 | content.WriteString(p.cur.Literal) |
| 731 | p.advance() |
| 732 | } |
| 733 | |
| 734 | return &ast.CommentBlockDirective{ |
| 735 | Header: header, |
| 736 | Content: content.String(), |
| 737 | Comment: comment, |
| 738 | Span: p.span(start), |
| 739 | } |
| 740 | } |
| 741 | |
| 742 | func (p *Parser) parseStatus() ast.Status { |
| 743 | s := p.cur.Span |
| 744 | st := ast.Status{} |
| 745 | switch p.cur.Type { |
| 746 | case token.STAR: |
| 747 | st.Value = ast.StatusCleared |
| 748 | case token.BANG: |
| 749 | st.Value = ast.StatusPending |
| 750 | } |
| 751 | if st.Value != ast.StatusNone { |
| 752 | p.advance() |
| 753 | p.skipWhitespace() |
| 754 | } |
| 755 | st.Span = p.span(s) |
| 756 | return st |
| 757 | } |
| 758 | |
| 759 | func (p *Parser) isAmountStart() bool { |
| 760 | switch p.cur.Type { |
| 761 | default: |
| 762 | return false |
| 763 | case token.COMMODITYMARK, token.STRING, token.INT, token.DECIMAL, token.MINUS, token.PLUS, token.PARENEXPR, token.STAR: |
| 764 | return true |
| 765 | } |
| 766 | } |
| 767 | |
| 768 | func (p *Parser) parseAmount() *ast.Amount { |
| 769 | s := p.cur.Span |
| 770 | amt := &ast.Amount{ |
| 771 | QuantityFmt: ast.QuantityFormat{Decimal: '.'}, |
| 772 | } |
| 773 | defer func() { |
| 774 | // The span covers from the first token to the start of the next unconsumed token. |
| 775 | // Since parseQuantityInto (and possible commodity consumption) advanced past the last |
| 776 | // amount token, p.cur points to the next token after the amount — which is the correct end. |
| 777 | amt.Span = p.span(s) |
| 778 | }() |
| 779 | |
| 780 | p.parseAmountSign(amt) |
| 781 | p.skipWhitespace() |
| 782 | |
| 783 | // commodity before quantity: $10.00, eur 10.00 |
| 784 | if p.got(token.COMMODITYMARK) || p.got(token.TEXT) || p.got(token.STRING) { |
| 785 | cs := p.cur.Span |
| 786 | amt.Commodity = unquote(p.cur.Literal) |
| 787 | amt.CommodityPos = ast.CommodityBefore |
| 788 | p.advance() |
| 789 | amt.CommoditySpan = token.Span{Start: cs.Start, End: p.cur.Span.Start} |
| 790 | if p.got(token.WHITESPACE) { |
| 791 | amt.HasSpace = true |
| 792 | p.skipWhitespace() |
| 793 | } |
| 794 | } |
| 795 | |
| 796 | // optional sign after commodity: $ -10 |
| 797 | p.parseAmountSign(amt) |
| 798 | p.skipWhitespace() |
| 799 | |
| 800 | p.parseQuantityInto(amt) |
| 801 | |
| 802 | // commodity after quantity: 10.00 UAH, 10.00 "EUR" (only if not set) |
| 803 | if amt.Commodity == "" { |
| 804 | switch p.cur.Type { |
| 805 | case token.WHITESPACE: |
| 806 | p.skipWhitespace() |
| 807 | if p.got(token.COMMODITYMARK) || p.got(token.TEXT) || p.got(token.STRING) { |
| 808 | cs := p.cur.Span |
| 809 | amt.HasSpace = true |
| 810 | amt.Commodity = unquote(p.cur.Literal) |
| 811 | amt.CommodityPos = ast.CommodityAfter |
| 812 | p.advance() |
| 813 | amt.CommoditySpan = token.Span{Start: cs.Start, End: p.cur.Span.Start} |
| 814 | } |
| 815 | case token.COMMODITYMARK, token.TEXT, token.STRING: |
| 816 | cs := p.cur.Span |
| 817 | amt.Commodity = unquote(p.cur.Literal) |
| 818 | amt.CommodityPos = ast.CommodityAfter |
| 819 | p.advance() |
| 820 | amt.CommoditySpan = token.Span{Start: cs.Start, End: p.cur.Span.Start} |
| 821 | } |
| 822 | } |
| 823 | |
| 824 | return amt |
| 825 | } |
| 826 | |
| 827 | // parseAmountSign consumes an optional leading +/- into IsNegative. |
| 828 | func (p *Parser) parseAmountSign(amt *ast.Amount) { |
| 829 | switch p.cur.Type { |
| 830 | case token.MINUS: |
| 831 | amt.IsNegative = true |
| 832 | p.advance() |
| 833 | case token.PLUS: |
| 834 | p.advance() |
| 835 | } |
| 836 | } |
| 837 | |
| 838 | func (p *Parser) parseAmountWithOptExpr() *ast.Amount { |
| 839 | if p.got(token.STAR) { |
| 840 | p.advance() |
| 841 | p.skipWhitespace() |
| 842 | amt := p.parseAmount() |
| 843 | if amt != nil { |
| 844 | amt.IsExpr = true |
| 845 | } |
| 846 | return amt |
| 847 | } |
| 848 | if p.got(token.PARENEXPR) { |
| 849 | lit := p.cur.Literal |
| 850 | amt := &ast.Amount{ |
| 851 | IsExpr: true, |
| 852 | QuantityFmt: ast.QuantityFormat{Decimal: '.'}, |
| 853 | } |
| 854 | if len(lit) >= 2 && lit[0] == '(' && lit[len(lit)-1] == ')' { |
| 855 | amt.Expr = strings.Trim(lit[1:len(lit)-1], " \t") |
| 856 | } |
| 857 | amt.Span = p.cur.Span |
| 858 | p.advance() |
| 859 | return amt |
| 860 | } |
| 861 | return p.parseAmount() |
| 862 | } |
| 863 | |
| 864 | func (p *Parser) parsePosting() *ast.Posting { |
| 865 | s := p.cur.Span |
| 866 | posting := &ast.Posting{} |
| 867 | p.expect(token.INDENT) |
| 868 | |
| 869 | // exit if it's empty line |
| 870 | if p.got(token.NEWLINE) || p.got(token.EOF) { |
| 871 | p.syncToNextline() |
| 872 | return nil |
| 873 | } |
| 874 | |
| 875 | // optional status, outside of brackets, '! (account)' |
| 876 | posting.Status = p.parseStatus() |
| 877 | |
| 878 | // detect virtual posting brackets |
| 879 | switch p.cur.Type { |
| 880 | case token.LPAREN: |
| 881 | posting.Type = ast.PostingVirtualUnbalanced |
| 882 | p.advance() |
| 883 | case token.LBRACKET: |
| 884 | posting.Type = ast.PostingVirtualBalanced |
| 885 | p.advance() |
| 886 | } |
| 887 | |
| 888 | // optional status, inside of brackets, '(* account)' |
| 889 | if p.got(token.STAR) || p.got(token.BANG) { |
| 890 | posting.Status = p.parseStatus() |
| 891 | } |
| 892 | |
| 893 | // validate, must be account text |
| 894 | if p.cur.Type != token.TEXT { |
| 895 | p.errorf("expected account name, got %s", p.cur.Type) |
| 896 | p.syncToNextline() |
| 897 | return nil |
| 898 | } |
| 899 | |
| 900 | posting.Account = p.parseAccount() |
| 901 | |
| 902 | // consume closing bracket |
| 903 | switch p.cur.Type { |
| 904 | case token.RPAREN: |
| 905 | p.advance() |
| 906 | case token.RBRACKET: |
| 907 | p.advance() |
| 908 | } |
| 909 | |
| 910 | // optional amount - after two spaces |
| 911 | if p.got(token.WHITESPACE) { |
| 912 | p.skipWhitespace() |
| 913 | if p.isAmountStart() { |
| 914 | posting.Amount = p.parseAmountWithOptExpr() |
| 915 | } |
| 916 | } |
| 917 | |
| 918 | // optional cost '@' or '@@' |
| 919 | p.skipWhitespace() |
| 920 | if p.got(token.AT) || p.got(token.ATAT) { |
| 921 | posting.Cost = p.parseCost() |
| 922 | } |
| 923 | |
| 924 | // optional balance assertion or assignment |
| 925 | p.skipWhitespace() |
| 926 | if p.got(token.COLON) && p.willGet(token.EQ) { |
| 927 | p.advance() // consume ':' of ':=' |
| 928 | posting.Balance = p.parseBalanceAssertion() |
| 929 | posting.Balance.IsAssignment = true |
| 930 | } else if p.got(token.EQ) || p.got(token.EQEQ) || p.got(token.EQEQEQ) || p.got(token.EQSTAR) { |
| 931 | posting.Balance = p.parseBalanceAssertion() |
| 932 | } |
| 933 | |
| 934 | posting.Comment = p.parseOptInlineComment() |
| 935 | p.expectNewline() |
| 936 | |
| 937 | // continuation comments |
| 938 | for p.got(token.INDENT) && p.willGet(token.SEMICOLON) { |
| 939 | p.advance() |
| 940 | c := p.parseComment() |
| 941 | posting.Comments = append(posting.Comments, *c) |
| 942 | } |
| 943 | |
| 944 | posting.Span = p.span(s) |
| 945 | return posting |
| 946 | } |
| 947 | |
| 948 | func (p *Parser) parseCost() *ast.Cost { |
| 949 | s := p.cur.Span |
| 950 | isTotal := p.got(token.ATAT) |
| 951 | p.advance() // consume '@' '@@' |
| 952 | p.skipWhitespace() |
| 953 | return &ast.Cost{ |
| 954 | IsTotal: isTotal, |
| 955 | Amount: *p.parseAmount(), |
| 956 | Span: p.span(s), |
| 957 | } |
| 958 | } |
| 959 | |
| 960 | func (p *Parser) parseBalanceAssertion() *ast.BalanceAssertion { |
| 961 | s := p.cur.Span |
| 962 | |
| 963 | ba := &ast.BalanceAssertion{} |
| 964 | switch p.cur.Type { |
| 965 | case token.EQ: // basic assertion |
| 966 | case token.EQSTAR: // inclusive assertion |
| 967 | ba.IsInclusive = true |
| 968 | case token.EQEQ: // strict assertion |
| 969 | ba.IsStrict = true |
| 970 | case token.EQEQEQ: // strict inclusive assertion |
| 971 | ba.IsStrict = true |
| 972 | ba.IsInclusive = true |
| 973 | } |
| 974 | p.advance() |
| 975 | p.skipWhitespace() |
| 976 | |
| 977 | ba.Amount = *p.parseAmount() |
| 978 | p.skipWhitespace() |
| 979 | if p.got(token.AT) || p.got(token.ATAT) { |
| 980 | c := p.parseCost() |
| 981 | ba.Cost = c |
| 982 | } |
| 983 | ba.Span = p.span(s) |
| 984 | return ba |
| 985 | } |
| 986 | |
| 987 | func (p *Parser) readAccountSegment() (ast.SubAccount, bool) { |
| 988 | switch p.cur.Type { |
| 989 | case token.TEXT: |
| 990 | sub := ast.SubAccount{Name: p.cur.Literal, Span: p.cur.Span} |
| 991 | p.advance() |
| 992 | |
| 993 | // handle multi work segment, e.g: "credit card" |
| 994 | if p.got(token.WHITESPACE) && p.willGet(token.TEXT) && len(p.peek.Literal) > 0 && p.peek.Literal[0] != '(' { |
| 995 | sub.Name += " " |
| 996 | p.advance() |
| 997 | sub.Name += p.cur.Literal |
| 998 | p.advance() |
| 999 | } |
| 1000 | return sub, true |
| 1001 | |
| 1002 | case token.COMMODITYMARK: |
| 1003 | sub := ast.SubAccount{Name: p.cur.Literal, Span: p.cur.Span} |
| 1004 | p.advance() |
| 1005 | // merge "EUR" + "-HRK" to "EUR-HRK" |
| 1006 | for p.got(token.TEXT) { |
| 1007 | sub.Name += p.cur.Literal |
| 1008 | p.advance() |
| 1009 | } |
| 1010 | return sub, true |
| 1011 | |
| 1012 | default: |
| 1013 | return ast.SubAccount{}, false |
| 1014 | } |
| 1015 | } |
| 1016 | |
| 1017 | func (p *Parser) parseAccount() ast.Account { |
| 1018 | s := p.cur.Span |
| 1019 | acc := ast.Account{} |
| 1020 | |
| 1021 | sub, ok := p.readAccountSegment() |
| 1022 | if !ok { |
| 1023 | p.errorf("expected account, got %s", p.cur.Type) |
| 1024 | return ast.Account{} |
| 1025 | } |
| 1026 | acc.Name = append(acc.Name, sub) |
| 1027 | |
| 1028 | for p.got(token.COLON) { |
| 1029 | p.advance() |
| 1030 | sub, ok := p.readAccountSegment() |
| 1031 | if !ok { |
| 1032 | break |
| 1033 | } |
| 1034 | acc.Name = append(acc.Name, sub) |
| 1035 | } |
| 1036 | |
| 1037 | acc.Span = p.span(s) |
| 1038 | return acc |
| 1039 | } |
| 1040 | |
| 1041 | func (p *Parser) parseDate() ast.Date { |
| 1042 | s := p.cur.Span |
| 1043 | tok, ok := p.expect(token.DATE) |
| 1044 | if !ok { |
| 1045 | return ast.Date{Span: p.span(s)} |
| 1046 | } |
| 1047 | |
| 1048 | year, month, day, sep, err := parseDateLiteral(tok.Literal) |
| 1049 | if err != nil { |
| 1050 | p.errorf("%v", err) |
| 1051 | return ast.Date{Span: p.span(s)} |
| 1052 | } |
| 1053 | if year == 0 { |
| 1054 | year = p.defaultYear |
| 1055 | } |
| 1056 | |
| 1057 | return ast.Date{Year: year, Month: month, Day: day, Sep: sep, Span: p.span(s)} |
| 1058 | } |
| 1059 | |
| 1060 | func (p *Parser) parseOptInlineComment() *ast.Comment { |
| 1061 | p.skipWhitespace() |
| 1062 | if !p.got(token.SEMICOLON) { |
| 1063 | return nil |
| 1064 | } |
| 1065 | return p.parseCommentRest(p.cur.Span) |
| 1066 | } |
| 1067 | |
| 1068 | // parseCommentRest consumes a comment marker at p.cur, then optional text; |
| 1069 | // s anchors the span at the marker's start. |
| 1070 | func (p *Parser) parseCommentRest(s token.Span) *ast.Comment { |
| 1071 | marker := p.cur.Literal[0] |
| 1072 | p.advance() |
| 1073 | p.skipWhitespace() |
| 1074 | |
| 1075 | text := "" |
| 1076 | if p.got(token.TEXT) { |
| 1077 | text = p.cur.Literal |
| 1078 | p.advance() |
| 1079 | } |
| 1080 | |
| 1081 | return &ast.Comment{ |
| 1082 | Marker: marker, |
| 1083 | Text: text, |
| 1084 | Span: p.span(s), |
| 1085 | } |
| 1086 | } |
| 1087 | |
| 1088 | func (p *Parser) parseOptPeriodicDescription() (string, token.Span) { |
| 1089 | if p.cur.Type != token.WHITESPACE || len(p.cur.Literal) < 2 { |
| 1090 | return "", token.Span{} |
| 1091 | } |
| 1092 | |
| 1093 | p.skipWhitespace() |
| 1094 | |
| 1095 | if p.cur.Type != token.TEXT { |
| 1096 | return "", token.Span{} |
| 1097 | } |
| 1098 | |
| 1099 | s := p.cur.Span |
| 1100 | desc := p.parseDescription() |
| 1101 | return desc, p.span(s) |
| 1102 | } |
| 1103 | |
| 1104 | func (p *Parser) parseDescription() string { |
| 1105 | var desc strings.Builder |
| 1106 | for p.got(token.TEXT) || (p.got(token.WHITESPACE) && p.willGet(token.TEXT)) { |
| 1107 | _, _ = desc.WriteString(p.cur.Literal) |
| 1108 | p.advance() |
| 1109 | } |
| 1110 | return desc.String() |
| 1111 | } |
| 1112 | |
| 1113 | func (p *Parser) parseDirectiveExpr() string { |
| 1114 | var b strings.Builder |
| 1115 | for p.cur.Type != token.NEWLINE && p.cur.Type != token.EOF && p.cur.Type != token.SEMICOLON { |
| 1116 | _, _ = b.WriteString(p.cur.Literal) |
| 1117 | p.advance() |
| 1118 | } |
| 1119 | return b.String() |
| 1120 | } |
| 1121 | |
| 1122 | func (p *Parser) parseQuantityInto(amt *ast.Amount) { |
| 1123 | if p.cur.Type != token.INT && p.cur.Type != token.DECIMAL && p.cur.Type != token.TEXT { |
| 1124 | p.errorf("expected quantity, got %s", p.cur.Type) |
| 1125 | return |
| 1126 | } |
| 1127 | |
| 1128 | lit := p.cur.Literal |
| 1129 | p.advance() |
| 1130 | |
| 1131 | // detect format metadata before normalizing |
| 1132 | amt.QuantityFmt = detectFormat(lit) |
| 1133 | |
| 1134 | // normalize for decimal.NewFromString |
| 1135 | // remove thousands separators, replace decimal mark with '.' |
| 1136 | normalized := normalizeLiteral(lit, amt.QuantityFmt.Thousands, amt.QuantityFmt.Decimal) |
| 1137 | |
| 1138 | q, err := decimal.FromString(normalized) |
| 1139 | if err != nil { |
| 1140 | p.errorf("invalid quantity %q: %v", lit, err) |
| 1141 | return |
| 1142 | } |
| 1143 | |
| 1144 | if amt.IsNegative { |
| 1145 | q = q.Neg() |
| 1146 | } |
| 1147 | amt.Quantity = q |
| 1148 | } |
| 1149 | |
| 1150 | func (p *Parser) parseBlankLine() *ast.BlankLine { |
| 1151 | s := p.cur.Span |
| 1152 | p.expectNewline() |
| 1153 | return &ast.BlankLine{Span: s} |
| 1154 | } |
| 1155 | |
| 1156 | func (p *Parser) expectNewline() { |
| 1157 | if p.got(token.NEWLINE) || p.got(token.EOF) { |
| 1158 | if p.got(token.NEWLINE) { |
| 1159 | p.advance() |
| 1160 | } |
| 1161 | return |
| 1162 | } |
| 1163 | p.errorf("expected %s, got %s", token.NEWLINE, p.cur.Type) |
| 1164 | } |
| 1165 | |
| 1166 | func (p *Parser) advance() token.Token { |
| 1167 | prev := p.cur |
| 1168 | p.cur = p.peek |
| 1169 | p.peek = p.lexer.Next() |
| 1170 | return prev |
| 1171 | } |
| 1172 | |
| 1173 | func (p *Parser) got(kind token.Type) bool { return p.cur.Type == kind } |
| 1174 | func (p *Parser) willGet(kind token.Type) bool { return p.peek.Type == kind } |
| 1175 | |
| 1176 | func (p *Parser) expect(kind token.Type) (token.Token, bool) { |
| 1177 | if p.got(kind) { |
| 1178 | return p.advance(), true |
| 1179 | } |
| 1180 | p.errorf("expected %s, got %s", kind, p.cur.Type) |
| 1181 | return p.cur, false |
| 1182 | } |
| 1183 | |
| 1184 | func (p *Parser) errorf(format string, args ...any) { |
| 1185 | p.errors = append(p.errors, &ast.ParseError{ |
| 1186 | Span: p.cur.Span, |
| 1187 | Message: fmt.Sprintf(format, args...), |
| 1188 | }) |
| 1189 | } |
| 1190 | |
| 1191 | func isDirectiveKeyword(t token.Type) bool { |
| 1192 | switch t { |
| 1193 | case token.COMMENTKW, token.ACCOUNT, token.COMMODITY, token.INCLUDE, |
| 1194 | token.ALIAS, token.PAYEE, token.TAG, token.APPLY, token.END, |
| 1195 | token.YEAR, token.DECIMALMARK, token.D, token.P, token.N, token.C: |
| 1196 | return true |
| 1197 | } |
| 1198 | return false |
| 1199 | } |
| 1200 | |
| 1201 | func (p *Parser) sync() { |
| 1202 | for { |
| 1203 | switch p.cur.Type { |
| 1204 | case token.EOF: |
| 1205 | return |
| 1206 | case token.NEWLINE: |
| 1207 | p.advance() |
| 1208 | t := p.cur.Type |
| 1209 | if isDirectiveKeyword(t) || t == token.DATE || t == token.TILDE || t == token.EQ { |
| 1210 | return |
| 1211 | } |
| 1212 | default: |
| 1213 | p.advance() |
| 1214 | } |
| 1215 | } |
| 1216 | } |
| 1217 | |
| 1218 | func (p *Parser) syncToNextline() { |
| 1219 | for p.cur.Type != token.NEWLINE && p.cur.Type != token.EOF { |
| 1220 | p.advance() |
| 1221 | } |
| 1222 | if p.got(token.NEWLINE) { |
| 1223 | p.advance() |
| 1224 | } |
| 1225 | } |
| 1226 | |
| 1227 | func (p *Parser) skipWhitespace() { |
| 1228 | for p.got(token.WHITESPACE) { |
| 1229 | p.advance() |
| 1230 | } |
| 1231 | } |
| 1232 | |
| 1233 | func (p *Parser) span(s token.Span) token.Span { |
| 1234 | return token.Span{Start: s.Start, End: p.cur.Span.Start} |
| 1235 | } |
| 1236 | |
| 1237 | func normalizeLiteral(lit string, thousands, decimal byte) string { |
| 1238 | var b strings.Builder |
| 1239 | for _, ch := range []byte(lit) { |
| 1240 | if thousands != 0 && ch == thousands { |
| 1241 | continue // skip thousands separator |
| 1242 | } |
| 1243 | if ch == decimal { |
| 1244 | b.WriteByte('.') |
| 1245 | } else { |
| 1246 | b.WriteByte(ch) |
| 1247 | } |
| 1248 | } |
| 1249 | return b.String() |
| 1250 | } |
| 1251 | |
| 1252 | func detectFormat(lit string) ast.QuantityFormat { |
| 1253 | var seps []int |
| 1254 | for i, ch := range []byte(lit) { |
| 1255 | if ch == '.' || ch == ',' || ch == ' ' || ch == '_' || ch == '\'' { |
| 1256 | seps = append(seps, i) |
| 1257 | } |
| 1258 | } |
| 1259 | |
| 1260 | if len(seps) == 0 { |
| 1261 | return ast.QuantityFormat{Decimal: '.', Thousands: 0, Precision: 0} |
| 1262 | } |
| 1263 | |
| 1264 | last := seps[len(seps)-1] |
| 1265 | dec := lit[last] |
| 1266 | var thou byte |
| 1267 | if len(seps) > 1 { |
| 1268 | thou = lit[seps[0]] |
| 1269 | } else if dec == ' ' || dec == '_' || dec == '\'' { |
| 1270 | // single space/underscore/apostrophe is always thousands |
| 1271 | thou = dec |
| 1272 | dec = '.' |
| 1273 | } |
| 1274 | |
| 1275 | // calculate precision when the last separator is a real decimal |
| 1276 | prec := 0 |
| 1277 | if thou == 0 || len(seps) > 1 { |
| 1278 | prec = len(lit) - last - 1 |
| 1279 | } |
| 1280 | |
| 1281 | return ast.QuantityFormat{Decimal: dec, Thousands: thou, Precision: prec} |
| 1282 | } |
| 1283 | |
| 1284 | // parseSimpleDate parses full YYYY/MM/DD date literal embedded in free text. |
| 1285 | func parseSimpleDate(s string) ast.Date { |
| 1286 | year, month, day, sep, err := parseDateLiteral(s) |
| 1287 | if err != nil { |
| 1288 | return ast.Date{} |
| 1289 | } |
| 1290 | return ast.Date{Year: year, Month: month, Day: day, Sep: sep} |
| 1291 | } |
| 1292 | |
| 1293 | // parseDateLiteral parses and validates a date literal. |
| 1294 | func parseDateLiteral(lit string) (year, month, day int, sep byte, err error) { |
| 1295 | sep = dateSeparator(lit) |
| 1296 | if sep == 0 { |
| 1297 | return 0, 0, 0, 0, fmt.Errorf("invalid date format: %q", lit) |
| 1298 | } |
| 1299 | |
| 1300 | parts := strings.Split(lit, string(sep)) |
| 1301 | if len(parts) != 2 && len(parts) != 3 { |
| 1302 | return 0, 0, 0, 0, fmt.Errorf("invalid date format: %q", lit) |
| 1303 | } |
| 1304 | |
| 1305 | nums := make([]int, len(parts)) |
| 1306 | for i, part := range parts { |
| 1307 | if nums[i], err = strconv.Atoi(part); err != nil { |
| 1308 | return 0, 0, 0, 0, fmt.Errorf("invalid date literal: %q", lit) |
| 1309 | } |
| 1310 | } |
| 1311 | |
| 1312 | month = nums[len(parts)-2] |
| 1313 | if month < 1 || month > 12 { |
| 1314 | return 0, 0, 0, 0, fmt.Errorf("invalid month %d in %q", month, lit) |
| 1315 | } |
| 1316 | |
| 1317 | day = nums[len(parts)-1] |
| 1318 | if day < 1 || day > 31 { |
| 1319 | return 0, 0, 0, 0, fmt.Errorf("invalid day %d in %q", day, lit) |
| 1320 | } |
| 1321 | |
| 1322 | if len(parts) == 2 { |
| 1323 | return 0, month, day, sep, nil |
| 1324 | } |
| 1325 | return nums[0], month, day, sep, nil |
| 1326 | } |
| 1327 | |
| 1328 | func dateSeparator(lit string) byte { |
| 1329 | for i := 0; i < len(lit); i++ { |
| 1330 | if lit[i] == '/' || lit[i] == '-' || lit[i] == '.' { |
| 1331 | return lit[i] |
| 1332 | } |
| 1333 | } |
| 1334 | return 0 |
| 1335 | } |