clerk/journal/parser/parser.go (view raw)
Oleksandr Smirnov
Oleksandr Smirnov
olexsmir@gmail.com ast: inline leaf value+span wrapper structs, 1 month ago
olexsmir@gmail.com ast: inline leaf value+span wrapper structs, 1 month ago
| 1 | package parser |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | "strconv" |
| 6 | "strings" |
| 7 | "unicode" |
| 8 | "unicode/utf8" |
| 9 | |
| 10 | "olexsmir.xyz/clerk/internal/decimal" |
| 11 | "olexsmir.xyz/clerk/journal/ast" |
| 12 | "olexsmir.xyz/clerk/journal/lexer" |
| 13 | "olexsmir.xyz/clerk/journal/token" |
| 14 | ) |
| 15 | |
| 16 | type Parser struct { |
| 17 | lexer *lexer.Lexer |
| 18 | errors []*ast.ParseError |
| 19 | cur token.Token |
| 20 | peek token.Token |
| 21 | |
| 22 | defaultYear int // set by year directive, used for short date inference |
| 23 | } |
| 24 | |
| 25 | func New(lex *lexer.Lexer) *Parser { |
| 26 | p := &Parser{lexer: lex} |
| 27 | p.advance() // populate .peek |
| 28 | p.advance() // populate .cur |
| 29 | return p |
| 30 | } |
| 31 | |
| 32 | func NewWithYear(lex *lexer.Lexer, year int) *Parser { |
| 33 | p := &Parser{lexer: lex, defaultYear: year} |
| 34 | p.advance() // populate .peek |
| 35 | p.advance() // populate .cur |
| 36 | return p |
| 37 | } |
| 38 | |
| 39 | func (p *Parser) ParseJournal() *ast.Journal { |
| 40 | f := &ast.Journal{} |
| 41 | for p.cur.Type != token.EOF { |
| 42 | if e := p.parseEntry(); e != nil { |
| 43 | f.Entries = append(f.Entries, e) |
| 44 | } |
| 45 | } |
| 46 | f.Errors = p.errors |
| 47 | return f |
| 48 | } |
| 49 | |
| 50 | func (p *Parser) parseEntry() ast.Entry { |
| 51 | if p.got(token.BANG) || p.got(token.AT) { |
| 52 | if isDirectiveKeyword(p.peek.Type) { |
| 53 | p.advance() // consume prefix |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | switch p.cur.Type { |
| 58 | case token.ILLEGAL: |
| 59 | p.errorf("illegal character %q", p.cur.Literal) |
| 60 | p.advance() |
| 61 | return nil |
| 62 | case token.INDENT: |
| 63 | p.errorf("unexpected indent") |
| 64 | p.syncToNextline() |
| 65 | return nil |
| 66 | case token.DATE: |
| 67 | return p.parseTransaction() |
| 68 | case token.TILDE: |
| 69 | return p.parsePeriodicTransaction() |
| 70 | case token.EQ: |
| 71 | return p.parseAutomatedTransaction() |
| 72 | case token.NEWLINE: |
| 73 | return p.parseBlankLine() |
| 74 | case token.SEMICOLON, token.HASH, token.PERCENT, token.STAR: |
| 75 | return p.parseComment() |
| 76 | case token.ACCOUNT: |
| 77 | return p.parseAccountDirective() |
| 78 | case token.COMMODITY: |
| 79 | return p.parseCommodityDirective() |
| 80 | case token.INCLUDE: |
| 81 | return p.parseIncludeDirective() |
| 82 | case token.ALIAS: |
| 83 | return p.parseAliasDirective() |
| 84 | case token.PAYEE: |
| 85 | return p.parsePayeeDirective() |
| 86 | case token.TAG: |
| 87 | return p.parseTagDirective() |
| 88 | case token.YEAR: |
| 89 | return p.parseYearDirective() |
| 90 | case token.DECIMALMARK: |
| 91 | return p.parseDecimalMarkDirective() |
| 92 | case token.D: |
| 93 | return p.parseDefaultCommodityDirective() |
| 94 | case token.P: |
| 95 | return p.parseMarketPriceDirective() |
| 96 | case token.N: |
| 97 | return p.parseIgnoredDirective() |
| 98 | case token.C: |
| 99 | return p.parseConversionDirective() |
| 100 | case token.APPLY: |
| 101 | return p.parseApplyDirective() |
| 102 | case token.END: |
| 103 | return p.parseEndDirective() |
| 104 | case token.COMMENTKW: |
| 105 | return p.parseCommentBlockDirective() |
| 106 | default: |
| 107 | p.errorf("unexpected token %s", p.cur.Type) |
| 108 | p.sync() |
| 109 | return nil |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | func (p *Parser) parseTransaction() *ast.Transaction { |
| 114 | s := p.cur.Span |
| 115 | tx := &ast.Transaction{} |
| 116 | |
| 117 | tx.Date = p.parseDate() |
| 118 | |
| 119 | p.skipWhitespace() |
| 120 | |
| 121 | // optional secondary date |
| 122 | if p.got(token.EQ) { |
| 123 | p.advance() |
| 124 | p.skipWhitespace() |
| 125 | d := p.parseDate() |
| 126 | tx.SecondDate = &d |
| 127 | } |
| 128 | |
| 129 | p.skipWhitespace() |
| 130 | |
| 131 | // optional status |
| 132 | tx.Status, tx.StatusSpan = p.parseStatus() |
| 133 | |
| 134 | // optional code - the lexer emits "(CODE)" as a single TEXT token; split it here |
| 135 | if p.got(token.TEXT) { |
| 136 | if lit := p.cur.Literal; len(lit) >= 2 && lit[0] == '(' && lit[len(lit)-1] == ')' { |
| 137 | tx.Code = lit[1 : len(lit)-1] |
| 138 | tx.CodeSpan = p.cur.Span |
| 139 | p.advance() |
| 140 | p.skipWhitespace() |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | // optional payee | note |
| 145 | if p.got(token.TEXT) || p.got(token.STRING) { |
| 146 | tx.Payee, tx.PayeeSpan = p.parsePayee() |
| 147 | |
| 148 | // check for | separator |
| 149 | p.skipWhitespace() |
| 150 | |
| 151 | if p.got(token.PIPE) { |
| 152 | p.advance() |
| 153 | if p.got(token.TEXT) { |
| 154 | sn := p.cur.Span |
| 155 | n := p.cur.Literal |
| 156 | p.advance() |
| 157 | tx.Note = n |
| 158 | tx.NoteSpan = p.span(sn) |
| 159 | } |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | tx.Comment = p.parseOptInlineComment() |
| 164 | p.expectNewline() |
| 165 | |
| 166 | tx.HeaderComments, tx.Postings = p.parseHeaderCommentsAndPostings() |
| 167 | |
| 168 | tx.Span = p.span(s) |
| 169 | return tx |
| 170 | } |
| 171 | |
| 172 | func unquote(s string) string { |
| 173 | if len(s) >= 2 && ((s[0] == '"' && s[len(s)-1] == '"') || (s[0] == '\'' && s[len(s)-1] == '\'')) { |
| 174 | return s[1 : len(s)-1] |
| 175 | } |
| 176 | return s |
| 177 | } |
| 178 | |
| 179 | func (p *Parser) parsePayee() (string, token.Span) { |
| 180 | s := p.cur.Span |
| 181 | |
| 182 | if p.got(token.STRING) { |
| 183 | name := unquote(p.cur.Literal) |
| 184 | p.advance() |
| 185 | return name, p.span(s) |
| 186 | } |
| 187 | |
| 188 | // keep spaces/tags between text tokens; stop before trailing whitespace |
| 189 | var name strings.Builder |
| 190 | for isPayeeWord(p.cur.Type) || (isPayeeWord(p.peek.Type) && p.got(token.WHITESPACE)) { |
| 191 | _, _ = name.WriteString(p.cur.Literal) |
| 192 | p.advance() |
| 193 | } |
| 194 | return unquote(name.String()), p.span(s) |
| 195 | } |
| 196 | |
| 197 | func isPayeeWord(t token.Type) bool { |
| 198 | switch t { |
| 199 | case token.TEXT, token.INT, token.DECIMAL, token.COMMODITYMARK: |
| 200 | return true |
| 201 | } |
| 202 | return false |
| 203 | } |
| 204 | |
| 205 | func (p *Parser) parsePeriodicTransaction() *ast.PeriodicTransaction { |
| 206 | s := p.cur.Span |
| 207 | p.expect(token.TILDE) |
| 208 | p.skipWhitespace() |
| 209 | |
| 210 | pt := &ast.PeriodicTransaction{} |
| 211 | |
| 212 | pt.Period = p.parsePeriod() |
| 213 | |
| 214 | if desc, dspan := p.parseOptPeriodicDescription(); desc != "" { |
| 215 | pt.Description = desc |
| 216 | pt.DescriptionSpan = dspan |
| 217 | } |
| 218 | |
| 219 | comment := p.parseOptInlineComment() |
| 220 | p.expectNewline() |
| 221 | |
| 222 | pt.HeaderComments, pt.Postings = p.parseHeaderCommentsAndPostings() |
| 223 | |
| 224 | pt.Span = p.span(s) |
| 225 | pt.Comment = comment |
| 226 | return pt |
| 227 | } |
| 228 | |
| 229 | func (p *Parser) parseAutomatedTransaction() *ast.AutomatedTransaction { |
| 230 | s := p.cur.Span |
| 231 | p.expect(token.EQ) |
| 232 | p.skipWhitespace() |
| 233 | |
| 234 | at := &ast.AutomatedTransaction{} |
| 235 | |
| 236 | // expression |
| 237 | sd := p.cur.Span |
| 238 | expr := p.parseDirectiveExpr() |
| 239 | at.Expr = expr |
| 240 | at.ExprSpan = p.span(sd) |
| 241 | at.Comment = p.parseOptInlineComment() |
| 242 | p.expectNewline() |
| 243 | |
| 244 | at.HeaderComments, at.Postings = p.parseHeaderCommentsAndPostings() |
| 245 | |
| 246 | at.Span = p.span(s) |
| 247 | return at |
| 248 | } |
| 249 | |
| 250 | func (p *Parser) parseHeaderCommentsAndPostings() (comments []*ast.Comment, postings []ast.Posting) { |
| 251 | for p.got(token.INDENT) && p.willGet(token.SEMICOLON) { |
| 252 | p.advance() // consume indent |
| 253 | comments = append(comments, p.parseComment()) |
| 254 | } |
| 255 | |
| 256 | postings = make([]ast.Posting, 0, 2) // most transactions have 2 postings, small optimization |
| 257 | for p.got(token.INDENT) { |
| 258 | if posting, ok := p.parsePosting(); ok { |
| 259 | postings = append(postings, posting) |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | return comments, postings |
| 264 | } |
| 265 | |
| 266 | func (p *Parser) parsePeriod() ast.Period { |
| 267 | s := p.cur.Span |
| 268 | |
| 269 | var periodBuf strings.Builder |
| 270 | |
| 271 | for !p.got(token.NEWLINE) && !p.got(token.EOF) && |
| 272 | !p.got(token.SEMICOLON) && !p.got(token.HASH) && !p.got(token.PERCENT) && !p.got(token.STAR) { |
| 273 | |
| 274 | if p.got(token.WHITESPACE) { |
| 275 | if len(p.cur.Literal) >= 2 { |
| 276 | break |
| 277 | } |
| 278 | if p.willGet(token.NEWLINE) || p.willGet(token.EOF) || |
| 279 | p.willGet(token.SEMICOLON) || p.willGet(token.HASH) || |
| 280 | p.willGet(token.PERCENT) || p.willGet(token.STAR) { |
| 281 | p.advance() |
| 282 | continue |
| 283 | } |
| 284 | } |
| 285 | |
| 286 | periodBuf.WriteString(p.cur.Literal) |
| 287 | p.advance() |
| 288 | } |
| 289 | |
| 290 | str := periodBuf.String() |
| 291 | period := ast.Period{Raw: str, Span: p.span(s)} |
| 292 | |
| 293 | if _, after, ok := strings.Cut(str, " from "); ok { |
| 294 | end := strings.Index(after, " ") |
| 295 | dateStr := after |
| 296 | if end >= 0 { |
| 297 | dateStr = after[:end] |
| 298 | } |
| 299 | if d := parseSimpleDate(dateStr); d.Year > 0 { |
| 300 | fromOff := strings.Index(str, dateStr) |
| 301 | d.Span = periodDateSpan(period, str, dateStr, fromOff) |
| 302 | period.From = &d |
| 303 | rest := after |
| 304 | if end >= 0 { |
| 305 | rest = after[end:] |
| 306 | } |
| 307 | if _, toAfter, ok := strings.Cut(rest, " to "); ok { |
| 308 | if toEnd := strings.Index(toAfter, " "); toEnd >= 0 { |
| 309 | toAfter = toAfter[:toEnd] |
| 310 | } |
| 311 | if d := parseSimpleDate(toAfter); d.Year > 0 { |
| 312 | d.Span = periodDateSpan(period, str, toAfter, fromOff+len(dateStr)) |
| 313 | period.To = &d |
| 314 | } |
| 315 | } |
| 316 | } |
| 317 | } |
| 318 | return period |
| 319 | } |
| 320 | |
| 321 | // periodDateSpan returns the source span of dateStr, which occurs in the |
| 322 | // period text at or after searchFrom. The period span and text cover the same |
| 323 | // bytes, so offsets line up 1:1. |
| 324 | func periodDateSpan(period ast.Period, text, dateStr string, searchFrom int) token.Span { |
| 325 | off := strings.Index(text[searchFrom:], dateStr) |
| 326 | abs := period.Span.Start.Offset + searchFrom + off |
| 327 | return token.Span{ |
| 328 | File: period.Span.File, |
| 329 | Start: token.Pos{Offset: abs}, |
| 330 | End: token.Pos{Offset: abs + len(dateStr)}, |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | func (p *Parser) parseComment() *ast.Comment { |
| 335 | s := p.cur.Span |
| 336 | c := p.parseCommentRest(s) |
| 337 | p.expectNewline() |
| 338 | c.Span = p.span(s) // comment spans its line through the newline |
| 339 | return c |
| 340 | } |
| 341 | |
| 342 | func (p *Parser) parseAccountDirective() *ast.AccountDirective { |
| 343 | s := p.cur.Span |
| 344 | p.expect(token.ACCOUNT) |
| 345 | p.skipWhitespace() |
| 346 | |
| 347 | account := p.parseAccount() |
| 348 | comment := p.parseOptInlineComment() |
| 349 | p.expectNewline() |
| 350 | |
| 351 | var subs []ast.AccountSubdirective |
| 352 | for p.got(token.INDENT) { |
| 353 | p.advance() |
| 354 | p.skipWhitespace() |
| 355 | if p.got(token.NEWLINE) || p.got(token.EOF) { |
| 356 | // whitespace-only line: block continues |
| 357 | p.expectNewline() |
| 358 | continue |
| 359 | } |
| 360 | switch { |
| 361 | case p.got(token.SEMICOLON): |
| 362 | // comment line: directive mode lexes only ';' as a comment marker |
| 363 | ns := p.cur.Span |
| 364 | c := p.parseCommentRest(ns) |
| 365 | p.expectNewline() |
| 366 | subs = append(subs, ast.AccountSubdirective{Kind: ast.SubdirectiveComment, NameSpan: ns, Comment: c}) |
| 367 | case p.got(token.TEXT) && isCommentMarker(p.cur.Literal): |
| 368 | // '#', '%' and '*' lex as TEXT in directive mode; treat them as comment lines |
| 369 | c := p.parseTextComment() |
| 370 | subs = append(subs, ast.AccountSubdirective{Kind: ast.SubdirectiveComment, NameSpan: c.Span, Comment: c}) |
| 371 | case p.got(token.TEXT): |
| 372 | name := p.cur.Literal |
| 373 | kind, ok := accountSubdirectiveKind(name) |
| 374 | if !ok { |
| 375 | p.errorf("unknown subdirective %q", name) |
| 376 | p.skipToNewline() |
| 377 | continue |
| 378 | } |
| 379 | kw := p.cur.Span |
| 380 | p.advance() |
| 381 | value, vspan := p.parseSubdirectiveValue() |
| 382 | if value == "" { |
| 383 | p.errorf("expected value for subdirective %q", name) |
| 384 | } |
| 385 | c := p.parseOptInlineComment() |
| 386 | p.expectNewline() |
| 387 | subs = append(subs, ast.AccountSubdirective{ |
| 388 | Kind: kind, |
| 389 | NameSpan: kw, |
| 390 | Value: value, |
| 391 | ValueSpan: vspan, |
| 392 | Comment: c, |
| 393 | }) |
| 394 | default: |
| 395 | p.errorf("expected subdirective name, got %s", p.cur.Type) |
| 396 | p.skipToNewline() |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | return &ast.AccountDirective{ |
| 401 | Account: account, |
| 402 | Subdirectives: subs, |
| 403 | Comment: comment, |
| 404 | Span: p.span(s), |
| 405 | } |
| 406 | } |
| 407 | |
| 408 | func (p *Parser) parseCommodityDirective() *ast.CommodityDirective { |
| 409 | s := p.cur.Span |
| 410 | p.expect(token.COMMODITY) |
| 411 | p.skipWhitespace() |
| 412 | |
| 413 | var commodity string |
| 414 | var commoditySpan token.Span |
| 415 | var format *ast.FormatSubDirective |
| 416 | |
| 417 | switch p.cur.Type { |
| 418 | case token.COMMODITYMARK, token.TEXT, token.STRING: |
| 419 | cs := p.cur.Span |
| 420 | commodity = unquote(p.cur.Literal) |
| 421 | p.advance() |
| 422 | commoditySpan = token.Span{File: cs.File, Start: cs.Start, End: p.cur.Span.Start} |
| 423 | hadSpace := p.got(token.WHITESPACE) |
| 424 | p.skipWhitespace() |
| 425 | if p.got(token.INT) || p.got(token.DECIMAL) || p.got(token.TEXT) { |
| 426 | amt := p.parseAmount() |
| 427 | amt.Commodity = commodity |
| 428 | amt.CommoditySpan = commoditySpan |
| 429 | amt.CommodityPos = ast.CommodityBefore |
| 430 | amt.HasSpace = hadSpace |
| 431 | format = &ast.FormatSubDirective{Amount: amt} |
| 432 | } |
| 433 | case token.INT, token.DECIMAL: |
| 434 | amt := p.parseAmount() |
| 435 | commodity = amt.Commodity |
| 436 | commoditySpan = amt.CommoditySpan |
| 437 | format = &ast.FormatSubDirective{Amount: amt} |
| 438 | default: |
| 439 | p.errorf("expected commodity name or amount, got %s", p.cur.Type) |
| 440 | } |
| 441 | |
| 442 | if commodity == "" { |
| 443 | p.errorf("expected commodity name, got %s", p.cur.Type) |
| 444 | } |
| 445 | |
| 446 | // hledger parity: an inline format amount must include a decimal mark |
| 447 | if format != nil && format.Amount.QuantityFmt.Decimal == 0 { |
| 448 | p.errorfAt(format.Amount.Span, "Please include a decimal point or decimal comma in commodity directives, to help us parse correctly. It may be followed by zero or more decimal digits.") |
| 449 | } |
| 450 | |
| 451 | comment := p.parseOptInlineComment() |
| 452 | p.expectNewline() |
| 453 | |
| 454 | var blockComments []*ast.Comment |
| 455 | for p.got(token.INDENT) { |
| 456 | p.advance() |
| 457 | p.skipWhitespace() |
| 458 | if p.got(token.NEWLINE) || p.got(token.EOF) { |
| 459 | // whitespace-only line: block continues |
| 460 | p.expectNewline() |
| 461 | continue |
| 462 | } |
| 463 | switch { |
| 464 | case p.got(token.TEXT) && p.cur.Literal == "format": |
| 465 | kw := p.cur.Span |
| 466 | p.advance() |
| 467 | p.skipWhitespace() |
| 468 | amt := p.parseAmount() |
| 469 | // hledger parity: the format symbol must match the declared commodity, |
| 470 | // and the amount must include a decimal mark; the node is kept either |
| 471 | // way so the printer can round-trip the input. |
| 472 | if amt.Commodity != commodity { |
| 473 | p.errorfAt(amt.Span, "commodity directive symbol %q and format directive symbol %q should be the same", commodity, amt.Commodity) |
| 474 | } else if amt.QuantityFmt.Decimal == 0 { |
| 475 | p.errorfAt(amt.Span, "Please include a decimal point or decimal comma in commodity directives, to help us parse correctly. It may be followed by zero or more decimal digits.") |
| 476 | } |
| 477 | c := p.parseOptInlineComment() |
| 478 | p.expectNewline() |
| 479 | format = &ast.FormatSubDirective{KeywordSpan: kw, Amount: amt, Comment: c} |
| 480 | case p.got(token.SEMICOLON): // comment line |
| 481 | c := p.parseCommentRest(p.cur.Span) |
| 482 | p.expectNewline() |
| 483 | blockComments = append(blockComments, c) |
| 484 | case p.got(token.TEXT) && isCommentMarker(p.cur.Literal): |
| 485 | // '#', '%' and '*' lex as TEXT in directive mode; treat them as comment lines |
| 486 | blockComments = append(blockComments, p.parseTextComment()) |
| 487 | case p.got(token.TEXT): |
| 488 | p.errorf("unknown subdirective %q", p.cur.Literal) |
| 489 | p.skipToNewline() |
| 490 | default: |
| 491 | p.errorf("expected subdirective name, got %s", p.cur.Type) |
| 492 | p.skipToNewline() |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | cd := &ast.CommodityDirective{ |
| 497 | Commodity: commodity, |
| 498 | CommoditySpan: commoditySpan, |
| 499 | FormatSub: format, |
| 500 | BlockComments: blockComments, |
| 501 | Comment: comment, |
| 502 | Span: p.span(s), |
| 503 | } |
| 504 | return cd |
| 505 | } |
| 506 | |
| 507 | func (p *Parser) parseIncludeDirective() *ast.IncludeDirective { |
| 508 | s := p.cur.Span |
| 509 | p.expect(token.INCLUDE) |
| 510 | p.skipWhitespace() |
| 511 | |
| 512 | id := &ast.IncludeDirective{} |
| 513 | |
| 514 | if p.got(token.TEXT) { |
| 515 | id.Path = p.cur.Literal |
| 516 | p.advance() |
| 517 | } else { |
| 518 | p.errorf("expected file path, got %s", p.cur.Type) |
| 519 | } |
| 520 | |
| 521 | id.Comment = p.parseOptInlineComment() |
| 522 | p.expectNewline() |
| 523 | id.Span = p.span(s) |
| 524 | return id |
| 525 | } |
| 526 | |
| 527 | func (p *Parser) parseAliasDirective() *ast.AliasDirective { |
| 528 | s := p.cur.Span |
| 529 | alias := &ast.AliasDirective{} |
| 530 | p.expect(token.ALIAS) |
| 531 | p.skipWhitespace() |
| 532 | alias.From = p.parseAccount() |
| 533 | p.skipWhitespace() |
| 534 | p.expect(token.EQ) |
| 535 | p.skipWhitespace() |
| 536 | alias.To = p.parseAccount() |
| 537 | alias.Comment = p.parseOptInlineComment() |
| 538 | p.expectNewline() |
| 539 | alias.Span = p.span(s) |
| 540 | return alias |
| 541 | } |
| 542 | |
| 543 | func (p *Parser) parsePayeeDirective() *ast.PayeeDirective { |
| 544 | s := p.cur.Span |
| 545 | p.expect(token.PAYEE) |
| 546 | p.skipWhitespace() |
| 547 | |
| 548 | name, nameSpan := "", token.Span{} |
| 549 | if p.got(token.TEXT) || p.got(token.STRING) || p.got(token.COMMODITYMARK) { |
| 550 | name, nameSpan = p.parsePayee() |
| 551 | } |
| 552 | |
| 553 | comment := p.parseOptInlineComment() |
| 554 | p.expectNewline() |
| 555 | |
| 556 | return &ast.PayeeDirective{ |
| 557 | Name: name, |
| 558 | NameSpan: nameSpan, |
| 559 | Comment: comment, |
| 560 | Span: p.span(s), |
| 561 | } |
| 562 | } |
| 563 | |
| 564 | func (p *Parser) parseTagDirective() *ast.TagDirective { |
| 565 | s := p.cur.Span |
| 566 | p.expect(token.TAG) |
| 567 | p.skipWhitespace() |
| 568 | |
| 569 | name := "" |
| 570 | if p.got(token.TEXT) || p.got(token.COMMODITYMARK) || p.got(token.STRING) { |
| 571 | name = unquote(p.cur.Literal) |
| 572 | p.advance() |
| 573 | } |
| 574 | |
| 575 | comment := p.parseOptInlineComment() |
| 576 | p.expectNewline() |
| 577 | |
| 578 | return &ast.TagDirective{ |
| 579 | Name: name, |
| 580 | Comment: comment, |
| 581 | Span: p.span(s), |
| 582 | } |
| 583 | } |
| 584 | |
| 585 | func (p *Parser) parseYearDirective() *ast.YearDirective { |
| 586 | s := p.cur.Span |
| 587 | year := &ast.YearDirective{} |
| 588 | p.expect(token.YEAR) |
| 589 | p.skipWhitespace() |
| 590 | |
| 591 | if p.got(token.INT) { |
| 592 | year.Year, _ = strconv.Atoi(p.cur.Literal) |
| 593 | p.defaultYear = year.Year |
| 594 | p.advance() |
| 595 | } else { |
| 596 | p.errorf("expected year, got %s", p.cur.Type) |
| 597 | } |
| 598 | |
| 599 | year.Comment = p.parseOptInlineComment() |
| 600 | p.expectNewline() |
| 601 | year.Span = p.span(s) |
| 602 | |
| 603 | return year |
| 604 | } |
| 605 | |
| 606 | func (p *Parser) parseDecimalMarkDirective() *ast.DecimalMarkDirective { |
| 607 | s := p.cur.Span |
| 608 | mark := &ast.DecimalMarkDirective{} |
| 609 | p.expect(token.DECIMALMARK) |
| 610 | p.skipWhitespace() |
| 611 | |
| 612 | mark.Mark = byte('.') |
| 613 | if p.got(token.TEXT) { |
| 614 | if len(p.cur.Literal) > 0 { |
| 615 | mark.Mark = p.cur.Literal[0] |
| 616 | } |
| 617 | p.advance() |
| 618 | } |
| 619 | |
| 620 | mark.Comment = p.parseOptInlineComment() |
| 621 | p.expectNewline() |
| 622 | mark.Span = p.span(s) |
| 623 | return mark |
| 624 | } |
| 625 | |
| 626 | func (p *Parser) parseDefaultCommodityDirective() *ast.DefaultCommodityDirective { |
| 627 | s := p.cur.Span |
| 628 | com := &ast.DefaultCommodityDirective{} |
| 629 | p.expect(token.D) |
| 630 | p.skipWhitespace() |
| 631 | com.Amount = p.parseAmount() |
| 632 | com.Comment = p.parseOptInlineComment() |
| 633 | p.expectNewline() |
| 634 | com.Span = p.span(s) |
| 635 | return com |
| 636 | } |
| 637 | |
| 638 | func (p *Parser) parseConversionDirective() *ast.ConversionDirective { |
| 639 | s := p.cur.Span |
| 640 | cd := &ast.ConversionDirective{} |
| 641 | p.expect(token.C) |
| 642 | p.skipWhitespace() |
| 643 | |
| 644 | if p.isAmountStart() { |
| 645 | cd.From = p.parseAmount() |
| 646 | } else { |
| 647 | p.errorf("expected amount, got %s", p.cur.Type) |
| 648 | } |
| 649 | |
| 650 | p.skipWhitespace() |
| 651 | if p.got(token.EQ) { |
| 652 | p.advance() |
| 653 | p.skipWhitespace() |
| 654 | if p.isAmountStart() { |
| 655 | cd.To = p.parseAmount() |
| 656 | } else { |
| 657 | p.errorf("expected amount, got %s", p.cur.Type) |
| 658 | } |
| 659 | } |
| 660 | |
| 661 | cd.Comment = p.parseOptInlineComment() |
| 662 | p.expectNewline() |
| 663 | cd.Span = p.span(s) |
| 664 | return cd |
| 665 | } |
| 666 | |
| 667 | func (p *Parser) parseIgnoredDirective() *ast.IgnoredDirective { |
| 668 | s := p.cur.Span |
| 669 | p.expect(token.N) |
| 670 | p.skipWhitespace() |
| 671 | |
| 672 | id := &ast.IgnoredDirective{} |
| 673 | if p.got(token.TEXT) || p.got(token.COMMODITYMARK) || p.got(token.STRING) { |
| 674 | id.Text = unquote(p.cur.Literal) |
| 675 | p.advance() |
| 676 | } |
| 677 | id.Comment = p.parseOptInlineComment() |
| 678 | |
| 679 | p.expectNewline() |
| 680 | id.Span = p.span(s) |
| 681 | return id |
| 682 | } |
| 683 | |
| 684 | func (p *Parser) parseMarketPriceDirective() *ast.MarketPriceDirective { |
| 685 | s := p.cur.Span |
| 686 | p.expect(token.P) |
| 687 | p.skipWhitespace() |
| 688 | |
| 689 | mp := &ast.MarketPriceDirective{} |
| 690 | mp.DateTime.Date = p.parseDate() |
| 691 | p.skipWhitespace() |
| 692 | |
| 693 | if p.got(token.TIME) { |
| 694 | mp.DateTime.Time = new(p.parseTime()) |
| 695 | p.skipWhitespace() |
| 696 | } |
| 697 | |
| 698 | if p.got(token.COMMODITYMARK) || p.got(token.STRING) { |
| 699 | mp.Commodity = unquote(p.cur.Literal) |
| 700 | p.advance() |
| 701 | } else { |
| 702 | p.errorf("expected commodity symbol, got %s", p.cur.Type) |
| 703 | } |
| 704 | p.skipWhitespace() |
| 705 | |
| 706 | mp.Amount = p.parseAmount() |
| 707 | |
| 708 | mp.Comment = p.parseOptInlineComment() |
| 709 | |
| 710 | p.expectNewline() |
| 711 | mp.Span = p.span(s) |
| 712 | return mp |
| 713 | } |
| 714 | |
| 715 | func (p *Parser) parseTime() ast.Time { |
| 716 | s := p.cur.Span |
| 717 | tok, _ := p.expect(token.TIME) |
| 718 | lit := tok.Literal |
| 719 | |
| 720 | parts := strings.Split(lit, ":") |
| 721 | if len(parts) < 2 { |
| 722 | p.errorf("invalid time format: %q", lit) |
| 723 | return ast.Time{Span: p.span(s)} |
| 724 | } |
| 725 | |
| 726 | hour, _ := strconv.Atoi(parts[0]) |
| 727 | minute, _ := strconv.Atoi(parts[1]) |
| 728 | second := 0 |
| 729 | if len(parts) > 2 { |
| 730 | second, _ = strconv.Atoi(parts[2]) |
| 731 | } |
| 732 | |
| 733 | if hour < 0 || hour > 23 { |
| 734 | p.errorf("invalid hour %d in time %q", hour, lit) |
| 735 | } |
| 736 | if minute < 0 || minute > 59 { |
| 737 | p.errorf("invalid minute %d in time %q", minute, lit) |
| 738 | } |
| 739 | if second < 0 || second > 59 { |
| 740 | p.errorf("invalid second %d in time %q", second, lit) |
| 741 | } |
| 742 | |
| 743 | return ast.Time{ |
| 744 | Hour: hour, |
| 745 | Minute: minute, |
| 746 | Second: second, |
| 747 | Span: p.span(s), |
| 748 | } |
| 749 | } |
| 750 | |
| 751 | func (p *Parser) parseApplyDirective() *ast.ApplyDirective { |
| 752 | s := p.cur.Span |
| 753 | p.expect(token.APPLY) |
| 754 | p.skipWhitespace() |
| 755 | |
| 756 | expr := p.parseDirectiveExpr() |
| 757 | comment := p.parseOptInlineComment() |
| 758 | p.expectNewline() |
| 759 | |
| 760 | return &ast.ApplyDirective{ |
| 761 | Expr: expr, |
| 762 | Comment: comment, |
| 763 | Span: p.span(s), |
| 764 | } |
| 765 | } |
| 766 | |
| 767 | func (p *Parser) parseEndDirective() *ast.EndDirective { |
| 768 | s := p.cur.Span |
| 769 | p.expect(token.END) |
| 770 | p.skipWhitespace() |
| 771 | |
| 772 | expr := p.parseDirectiveExpr() |
| 773 | comment := p.parseOptInlineComment() |
| 774 | p.expectNewline() |
| 775 | |
| 776 | return &ast.EndDirective{ |
| 777 | Expr: expr, |
| 778 | Comment: comment, |
| 779 | Span: p.span(s), |
| 780 | } |
| 781 | } |
| 782 | |
| 783 | func (p *Parser) parseCommentBlockDirective() *ast.CommentBlockDirective { |
| 784 | start := p.cur.Span |
| 785 | p.expect(token.COMMENTKW) |
| 786 | p.skipWhitespace() |
| 787 | |
| 788 | header := p.parseDirectiveExpr() |
| 789 | comment := p.parseOptInlineComment() |
| 790 | p.expectNewline() |
| 791 | |
| 792 | var content strings.Builder |
| 793 | for p.cur.Type != token.EOF { |
| 794 | if p.got(token.END) { |
| 795 | if p.willGet(token.NEWLINE) || p.willGet(token.EOF) { |
| 796 | p.advance() |
| 797 | p.expectNewline() |
| 798 | break |
| 799 | } |
| 800 | if p.willGet(token.WHITESPACE) { |
| 801 | endTok := p.cur |
| 802 | p.advance() |
| 803 | wsTok := p.cur |
| 804 | p.advance() |
| 805 | if p.got(token.TEXT) && p.cur.Literal == "comment" { // todo: this should check if it's an actual COMMENTKW token |
| 806 | p.advance() |
| 807 | p.parseDirectiveExpr() |
| 808 | p.parseOptInlineComment() |
| 809 | p.expectNewline() |
| 810 | break |
| 811 | } |
| 812 | content.WriteString(endTok.Literal) |
| 813 | content.WriteString(wsTok.Literal) |
| 814 | continue |
| 815 | } |
| 816 | } |
| 817 | content.WriteString(p.cur.Literal) |
| 818 | p.advance() |
| 819 | } |
| 820 | |
| 821 | return &ast.CommentBlockDirective{ |
| 822 | Header: header, |
| 823 | Content: content.String(), |
| 824 | Comment: comment, |
| 825 | Span: p.span(start), |
| 826 | } |
| 827 | } |
| 828 | |
| 829 | func (p *Parser) parseStatus() (ast.StatusType, token.Span) { |
| 830 | s := p.cur.Span |
| 831 | st := ast.StatusNone |
| 832 | switch p.cur.Type { |
| 833 | case token.STAR: |
| 834 | st = ast.StatusCleared |
| 835 | case token.BANG: |
| 836 | st = ast.StatusPending |
| 837 | } |
| 838 | if st != ast.StatusNone { |
| 839 | p.advance() |
| 840 | p.skipWhitespace() |
| 841 | } |
| 842 | return st, p.span(s) |
| 843 | } |
| 844 | |
| 845 | func (p *Parser) isAmountStart() bool { |
| 846 | switch p.cur.Type { |
| 847 | default: |
| 848 | return false |
| 849 | case token.COMMODITYMARK, token.STRING, token.INT, token.DECIMAL, token.MINUS, token.PLUS, token.PARENEXPR, token.STAR: |
| 850 | return true |
| 851 | } |
| 852 | } |
| 853 | |
| 854 | func (p *Parser) parseAmount() ast.Amount { |
| 855 | s := p.cur.Span |
| 856 | amt := ast.Amount{QuantityFmt: ast.QuantityFormat{}} |
| 857 | |
| 858 | p.parseAmountSign(&amt) |
| 859 | p.skipWhitespace() |
| 860 | |
| 861 | // commodity before quantity: $10.00, eur 10.00 |
| 862 | if p.got(token.COMMODITYMARK) || p.got(token.TEXT) || p.got(token.STRING) { |
| 863 | cs := p.cur.Span |
| 864 | amt.Commodity = unquote(p.cur.Literal) |
| 865 | amt.CommodityPos = ast.CommodityBefore |
| 866 | p.advance() |
| 867 | amt.CommoditySpan = token.Span{File: cs.File, Start: cs.Start, End: p.cur.Span.Start} |
| 868 | if p.got(token.WHITESPACE) { |
| 869 | amt.HasSpace = true |
| 870 | p.skipWhitespace() |
| 871 | } |
| 872 | } |
| 873 | |
| 874 | // optional sign after commodity: $ -10 |
| 875 | p.parseAmountSign(&amt) |
| 876 | p.skipWhitespace() |
| 877 | |
| 878 | p.parseQuantityInto(&amt) |
| 879 | |
| 880 | // commodity after quantity: 10.00 UAH, 10.00 "EUR" (only if not set) |
| 881 | if amt.Commodity == "" { |
| 882 | switch p.cur.Type { |
| 883 | case token.WHITESPACE: |
| 884 | p.skipWhitespace() |
| 885 | if p.got(token.COMMODITYMARK) || p.got(token.TEXT) || p.got(token.STRING) { |
| 886 | cs := p.cur.Span |
| 887 | amt.HasSpace = true |
| 888 | amt.Commodity = unquote(p.cur.Literal) |
| 889 | amt.CommodityPos = ast.CommodityAfter |
| 890 | p.advance() |
| 891 | amt.CommoditySpan = token.Span{File: cs.File, Start: cs.Start, End: p.cur.Span.Start} |
| 892 | } |
| 893 | case token.COMMODITYMARK, token.TEXT, token.STRING: |
| 894 | cs := p.cur.Span |
| 895 | amt.Commodity = unquote(p.cur.Literal) |
| 896 | amt.CommodityPos = ast.CommodityAfter |
| 897 | p.advance() |
| 898 | amt.CommoditySpan = token.Span{File: cs.File, Start: cs.Start, End: p.cur.Span.Start} |
| 899 | } |
| 900 | } |
| 901 | |
| 902 | amt.Span = p.span(s) |
| 903 | return amt |
| 904 | } |
| 905 | |
| 906 | // parseAmountSign consumes an optional leading +/- into IsNegative. |
| 907 | func (p *Parser) parseAmountSign(amt *ast.Amount) { |
| 908 | switch p.cur.Type { |
| 909 | case token.MINUS: |
| 910 | amt.IsNegative = true |
| 911 | p.advance() |
| 912 | case token.PLUS: |
| 913 | p.advance() |
| 914 | } |
| 915 | } |
| 916 | |
| 917 | func (p *Parser) parseAmountWithOptExpr() ast.Amount { |
| 918 | if p.got(token.STAR) { |
| 919 | p.advance() |
| 920 | p.skipWhitespace() |
| 921 | amt := p.parseAmount() |
| 922 | amt.IsExpr = true |
| 923 | return amt |
| 924 | } |
| 925 | if p.got(token.PARENEXPR) { |
| 926 | lit := p.cur.Literal |
| 927 | amt := ast.Amount{ |
| 928 | IsExpr: true, |
| 929 | QuantityFmt: ast.QuantityFormat{}, |
| 930 | } |
| 931 | if len(lit) >= 2 && lit[0] == '(' && lit[len(lit)-1] == ')' { |
| 932 | amt.Expr = strings.Trim(lit[1:len(lit)-1], " \t") |
| 933 | } |
| 934 | amt.Span = p.cur.Span |
| 935 | p.advance() |
| 936 | return amt |
| 937 | } |
| 938 | return p.parseAmount() |
| 939 | } |
| 940 | |
| 941 | func (p *Parser) parsePosting() (ast.Posting, bool) { |
| 942 | s := p.cur.Span |
| 943 | posting := ast.Posting{} |
| 944 | p.expect(token.INDENT) |
| 945 | |
| 946 | // exit if it's empty line |
| 947 | if p.got(token.NEWLINE) || p.got(token.EOF) { |
| 948 | p.syncToNextline() |
| 949 | return ast.Posting{}, false |
| 950 | } |
| 951 | |
| 952 | // optional status, outside of brackets, '! (account)' |
| 953 | posting.Status, posting.StatusSpan = p.parseStatus() |
| 954 | |
| 955 | // detect virtual posting brackets |
| 956 | switch p.cur.Type { |
| 957 | case token.LPAREN: |
| 958 | posting.Type = ast.PostingVirtualUnbalanced |
| 959 | p.advance() |
| 960 | case token.LBRACKET: |
| 961 | posting.Type = ast.PostingVirtualBalanced |
| 962 | p.advance() |
| 963 | } |
| 964 | |
| 965 | // optional status, inside of brackets, '(* account)' |
| 966 | if p.got(token.STAR) || p.got(token.BANG) { |
| 967 | posting.Status, posting.StatusSpan = p.parseStatus() |
| 968 | } |
| 969 | |
| 970 | // validate, must be account text |
| 971 | if p.cur.Type != token.TEXT { |
| 972 | p.errorf("expected account name, got %s", p.cur.Type) |
| 973 | p.syncToNextline() |
| 974 | return ast.Posting{}, false |
| 975 | } |
| 976 | |
| 977 | posting.Account = p.parseAccount() |
| 978 | |
| 979 | // consume closing bracket |
| 980 | switch p.cur.Type { |
| 981 | case token.RPAREN: |
| 982 | p.advance() |
| 983 | case token.RBRACKET: |
| 984 | p.advance() |
| 985 | } |
| 986 | |
| 987 | // optional amount - after two spaces |
| 988 | if p.got(token.WHITESPACE) { |
| 989 | p.skipWhitespace() |
| 990 | if p.isAmountStart() { |
| 991 | amt := p.parseAmountWithOptExpr() |
| 992 | posting.Amount = &amt |
| 993 | } |
| 994 | } |
| 995 | |
| 996 | // optional cost '@' or '@@' |
| 997 | p.skipWhitespace() |
| 998 | if p.got(token.AT) || p.got(token.ATAT) { |
| 999 | posting.Cost = p.parseCost() |
| 1000 | } |
| 1001 | |
| 1002 | // optional balance assertion or assignment |
| 1003 | p.skipWhitespace() |
| 1004 | if p.got(token.COLON) && p.willGet(token.EQ) { |
| 1005 | p.advance() // consume ':' of ':=' |
| 1006 | posting.Balance = p.parseBalanceAssertion() |
| 1007 | posting.Balance.IsAssignment = true |
| 1008 | } else if p.got(token.EQ) || p.got(token.EQEQ) || p.got(token.EQEQEQ) || p.got(token.EQSTAR) { |
| 1009 | posting.Balance = p.parseBalanceAssertion() |
| 1010 | } |
| 1011 | |
| 1012 | posting.Comment = p.parseOptInlineComment() |
| 1013 | p.expectNewline() |
| 1014 | |
| 1015 | // continuation comments |
| 1016 | for p.got(token.INDENT) && p.willGet(token.SEMICOLON) { |
| 1017 | p.advance() |
| 1018 | c := p.parseComment() |
| 1019 | posting.Comments = append(posting.Comments, *c) |
| 1020 | } |
| 1021 | |
| 1022 | posting.Span = p.span(s) |
| 1023 | return posting, true |
| 1024 | } |
| 1025 | |
| 1026 | func (p *Parser) parseCost() *ast.Cost { |
| 1027 | s := p.cur.Span |
| 1028 | isTotal := p.got(token.ATAT) |
| 1029 | p.advance() // consume '@' '@@' |
| 1030 | p.skipWhitespace() |
| 1031 | return &ast.Cost{ |
| 1032 | IsTotal: isTotal, |
| 1033 | Amount: p.parseAmount(), |
| 1034 | Span: p.span(s), |
| 1035 | } |
| 1036 | } |
| 1037 | |
| 1038 | func (p *Parser) parseBalanceAssertion() *ast.BalanceAssertion { |
| 1039 | s := p.cur.Span |
| 1040 | |
| 1041 | ba := &ast.BalanceAssertion{} |
| 1042 | switch p.cur.Type { |
| 1043 | case token.EQ: // basic assertion |
| 1044 | case token.EQSTAR: // inclusive assertion |
| 1045 | ba.IsInclusive = true |
| 1046 | case token.EQEQ: // strict assertion |
| 1047 | ba.IsStrict = true |
| 1048 | case token.EQEQEQ: // strict inclusive assertion |
| 1049 | ba.IsStrict = true |
| 1050 | ba.IsInclusive = true |
| 1051 | } |
| 1052 | p.advance() |
| 1053 | p.skipWhitespace() |
| 1054 | |
| 1055 | ba.Amount = p.parseAmount() |
| 1056 | p.skipWhitespace() |
| 1057 | if p.got(token.AT) || p.got(token.ATAT) { |
| 1058 | c := p.parseCost() |
| 1059 | ba.Cost = c |
| 1060 | } |
| 1061 | ba.Span = p.span(s) |
| 1062 | return ba |
| 1063 | } |
| 1064 | |
| 1065 | func (p *Parser) readAccountSegment() (ast.SubAccount, bool) { |
| 1066 | switch p.cur.Type { |
| 1067 | case token.TEXT: |
| 1068 | sub := ast.SubAccount{Name: p.cur.Literal, Span: p.cur.Span} |
| 1069 | p.advance() |
| 1070 | |
| 1071 | // handle multi work segment, e.g: "credit card" |
| 1072 | if p.got(token.WHITESPACE) && p.willGet(token.TEXT) && len(p.peek.Literal) > 0 && p.peek.Literal[0] != '(' { |
| 1073 | sub.Name += " " |
| 1074 | p.advance() |
| 1075 | sub.Name += p.cur.Literal |
| 1076 | p.advance() |
| 1077 | } |
| 1078 | return sub, true |
| 1079 | |
| 1080 | case token.COMMODITYMARK: |
| 1081 | sub := ast.SubAccount{Name: p.cur.Literal, Span: p.cur.Span} |
| 1082 | p.advance() |
| 1083 | // merge "EUR" + "-HRK" to "EUR-HRK" |
| 1084 | for p.got(token.TEXT) { |
| 1085 | sub.Name += p.cur.Literal |
| 1086 | p.advance() |
| 1087 | } |
| 1088 | return sub, true |
| 1089 | |
| 1090 | default: |
| 1091 | return ast.SubAccount{}, false |
| 1092 | } |
| 1093 | } |
| 1094 | |
| 1095 | func (p *Parser) parseAccount() ast.Account { |
| 1096 | s := p.cur.Span |
| 1097 | acc := ast.Account{Name: make([]ast.SubAccount, 0, 6)} |
| 1098 | |
| 1099 | sub, ok := p.readAccountSegment() |
| 1100 | if !ok { |
| 1101 | p.errorf("expected account, got %s", p.cur.Type) |
| 1102 | return ast.Account{} |
| 1103 | } |
| 1104 | acc.Name = append(acc.Name, sub) |
| 1105 | |
| 1106 | for p.got(token.COLON) { |
| 1107 | p.advance() |
| 1108 | sub, ok := p.readAccountSegment() |
| 1109 | if !ok { |
| 1110 | break |
| 1111 | } |
| 1112 | acc.Name = append(acc.Name, sub) |
| 1113 | } |
| 1114 | |
| 1115 | acc.Span = p.span(s) |
| 1116 | return acc |
| 1117 | } |
| 1118 | |
| 1119 | func (p *Parser) parseDate() ast.Date { |
| 1120 | s := p.cur.Span |
| 1121 | tok, ok := p.expect(token.DATE) |
| 1122 | if !ok { |
| 1123 | return ast.Date{Span: p.span(s)} |
| 1124 | } |
| 1125 | |
| 1126 | year, month, day, sep, err := ParseDateLiteral(tok.Literal) |
| 1127 | if err != nil { |
| 1128 | p.errorf("%v", err) |
| 1129 | return ast.Date{Span: p.span(s)} |
| 1130 | } |
| 1131 | if year == 0 { |
| 1132 | year = p.defaultYear |
| 1133 | } |
| 1134 | |
| 1135 | return ast.Date{Year: year, Month: month, Day: day, Sep: sep, Span: p.span(s)} |
| 1136 | } |
| 1137 | |
| 1138 | func (p *Parser) parseOptInlineComment() *ast.Comment { |
| 1139 | p.skipWhitespace() |
| 1140 | if !p.got(token.SEMICOLON) { |
| 1141 | return nil |
| 1142 | } |
| 1143 | return p.parseCommentRest(p.cur.Span) |
| 1144 | } |
| 1145 | |
| 1146 | // parseCommentRest consumes a comment marker at p.cur, then optional text; |
| 1147 | // s anchors the span at the marker's start. |
| 1148 | func (p *Parser) parseCommentRest(s token.Span) *ast.Comment { |
| 1149 | marker := p.cur.Literal[0] |
| 1150 | p.advance() |
| 1151 | p.skipWhitespace() |
| 1152 | |
| 1153 | var tags []ast.Tag |
| 1154 | text := "" |
| 1155 | if p.got(token.TEXT) { |
| 1156 | text = p.cur.Literal |
| 1157 | tags = parseCommentTags(text, p.cur.Span) |
| 1158 | p.advance() |
| 1159 | } |
| 1160 | |
| 1161 | return &ast.Comment{ |
| 1162 | Marker: marker, |
| 1163 | Tags: tags, |
| 1164 | Text: text, |
| 1165 | Span: p.span(s), |
| 1166 | } |
| 1167 | } |
| 1168 | |
| 1169 | func (p *Parser) parseOptPeriodicDescription() (string, token.Span) { |
| 1170 | if p.cur.Type != token.WHITESPACE || len(p.cur.Literal) < 2 { |
| 1171 | return "", token.Span{} |
| 1172 | } |
| 1173 | |
| 1174 | p.skipWhitespace() |
| 1175 | |
| 1176 | if p.cur.Type != token.TEXT { |
| 1177 | return "", token.Span{} |
| 1178 | } |
| 1179 | |
| 1180 | s := p.cur.Span |
| 1181 | desc := p.parseDescription() |
| 1182 | return desc, p.span(s) |
| 1183 | } |
| 1184 | |
| 1185 | func (p *Parser) parseDescription() string { |
| 1186 | var desc strings.Builder |
| 1187 | for p.got(token.TEXT) || (p.got(token.WHITESPACE) && p.willGet(token.TEXT)) { |
| 1188 | _, _ = desc.WriteString(p.cur.Literal) |
| 1189 | p.advance() |
| 1190 | } |
| 1191 | return desc.String() |
| 1192 | } |
| 1193 | |
| 1194 | func (p *Parser) parseDirectiveExpr() string { |
| 1195 | var b strings.Builder |
| 1196 | for p.cur.Type != token.NEWLINE && p.cur.Type != token.EOF && p.cur.Type != token.SEMICOLON { |
| 1197 | _, _ = b.WriteString(p.cur.Literal) |
| 1198 | p.advance() |
| 1199 | } |
| 1200 | return b.String() |
| 1201 | } |
| 1202 | |
| 1203 | func (p *Parser) parseQuantityInto(amt *ast.Amount) { |
| 1204 | if p.cur.Type != token.INT && p.cur.Type != token.DECIMAL && p.cur.Type != token.TEXT { |
| 1205 | p.errorf("expected quantity, got %s", p.cur.Type) |
| 1206 | return |
| 1207 | } |
| 1208 | |
| 1209 | lit := p.cur.Literal |
| 1210 | p.advance() |
| 1211 | |
| 1212 | // detect format metadata before normalizing |
| 1213 | amt.QuantityFmt = detectFormat(lit) |
| 1214 | |
| 1215 | // normalize for decimal.NewFromString |
| 1216 | // remove thousands separators, replace decimal mark with '.' |
| 1217 | normalized := normalizeLiteral(lit, amt.QuantityFmt.Thousands, amt.QuantityFmt.Decimal) |
| 1218 | |
| 1219 | q, err := decimal.FromString(normalized) |
| 1220 | if err != nil { |
| 1221 | p.errorf("invalid quantity %q: %v", lit, err) |
| 1222 | return |
| 1223 | } |
| 1224 | |
| 1225 | if amt.IsNegative { |
| 1226 | q = q.Neg() |
| 1227 | } |
| 1228 | amt.Quantity = q |
| 1229 | } |
| 1230 | |
| 1231 | func (p *Parser) parseBlankLine() *ast.BlankLine { |
| 1232 | s := p.cur.Span |
| 1233 | p.expectNewline() |
| 1234 | return &ast.BlankLine{Span: s} |
| 1235 | } |
| 1236 | |
| 1237 | func (p *Parser) expectNewline() { |
| 1238 | if p.got(token.NEWLINE) || p.got(token.EOF) { |
| 1239 | if p.got(token.NEWLINE) { |
| 1240 | p.advance() |
| 1241 | } |
| 1242 | return |
| 1243 | } |
| 1244 | p.errorf("expected %s, got %s", token.NEWLINE, p.cur.Type) |
| 1245 | } |
| 1246 | |
| 1247 | func (p *Parser) advance() token.Token { |
| 1248 | prev := p.cur |
| 1249 | p.cur = p.peek |
| 1250 | p.peek = p.lexer.Next() |
| 1251 | return prev |
| 1252 | } |
| 1253 | |
| 1254 | func (p *Parser) got(kind token.Type) bool { return p.cur.Type == kind } |
| 1255 | func (p *Parser) willGet(kind token.Type) bool { return p.peek.Type == kind } |
| 1256 | |
| 1257 | func (p *Parser) expect(kind token.Type) (token.Token, bool) { |
| 1258 | if p.got(kind) { |
| 1259 | return p.advance(), true |
| 1260 | } |
| 1261 | p.errorf("expected %s, got %s", kind, p.cur.Type) |
| 1262 | return p.cur, false |
| 1263 | } |
| 1264 | |
| 1265 | func (p *Parser) errorf(format string, args ...any) { |
| 1266 | p.errors = append(p.errors, &ast.ParseError{ |
| 1267 | Span: p.cur.Span, |
| 1268 | Message: fmt.Sprintf(format, args...), |
| 1269 | }) |
| 1270 | } |
| 1271 | |
| 1272 | // errorfAt records a parse error pointing at the start of span. |
| 1273 | func (p *Parser) errorfAt(span token.Span, format string, args ...any) { |
| 1274 | p.errors = append(p.errors, &ast.ParseError{ |
| 1275 | Span: token.Span{File: span.File, Start: span.Start, End: span.Start}, |
| 1276 | Message: fmt.Sprintf(format, args...), |
| 1277 | }) |
| 1278 | } |
| 1279 | |
| 1280 | func accountSubdirectiveKind(name string) (ast.AccountSubdirectiveKind, bool) { |
| 1281 | switch name { |
| 1282 | case "alias": |
| 1283 | return ast.SubdirectiveAlias, true |
| 1284 | case "type": |
| 1285 | return ast.SubdirectiveType, true |
| 1286 | case "note": |
| 1287 | return ast.SubdirectiveNote, true |
| 1288 | } |
| 1289 | return 0, false |
| 1290 | } |
| 1291 | |
| 1292 | func isCommentMarker(s string) bool { |
| 1293 | return len(s) > 0 && (s[0] == '#' || s[0] == '%' || s[0] == '*') |
| 1294 | } |
| 1295 | |
| 1296 | // skipToNewline consumes the rest of the current line. |
| 1297 | func (p *Parser) skipToNewline() { |
| 1298 | for !p.got(token.NEWLINE) && !p.got(token.EOF) { |
| 1299 | p.advance() |
| 1300 | } |
| 1301 | p.expectNewline() |
| 1302 | } |
| 1303 | |
| 1304 | func (p *Parser) parseSubdirectiveValue() (string, token.Span) { |
| 1305 | var b strings.Builder |
| 1306 | var first, last token.Span |
| 1307 | var single, pendingWS string |
| 1308 | for !p.got(token.SEMICOLON) && !p.got(token.NEWLINE) && !p.got(token.EOF) { |
| 1309 | t := p.cur |
| 1310 | if t.Type == token.WHITESPACE || t.Type == token.INDENT { |
| 1311 | if first.Start.Offset > 0 { |
| 1312 | pendingWS = t.Literal // only the last whitespace run matters |
| 1313 | } |
| 1314 | p.advance() |
| 1315 | continue |
| 1316 | } |
| 1317 | if first.Start.Offset == 0 { |
| 1318 | first, last = t.Span, t.Span |
| 1319 | single = t.Literal |
| 1320 | } else { |
| 1321 | if single != "" { |
| 1322 | b.WriteString(single) |
| 1323 | single = "" |
| 1324 | } |
| 1325 | if pendingWS != "" { |
| 1326 | b.WriteString(pendingWS) |
| 1327 | pendingWS = "" |
| 1328 | } |
| 1329 | b.WriteString(t.Literal) |
| 1330 | last = t.Span |
| 1331 | } |
| 1332 | p.advance() |
| 1333 | } |
| 1334 | if first.Start.Offset == 0 { |
| 1335 | return "", token.Span{} |
| 1336 | } |
| 1337 | if single != "" { |
| 1338 | return single, token.Span{File: first.File, Start: first.Start, End: last.End} |
| 1339 | } |
| 1340 | return strings.TrimSpace(b.String()), token.Span{File: first.File, Start: first.Start, End: last.End} |
| 1341 | } |
| 1342 | |
| 1343 | func (p *Parser) parseTextComment() *ast.Comment { |
| 1344 | s := p.cur.Span |
| 1345 | marker := p.cur.Literal[0] |
| 1346 | var b strings.Builder |
| 1347 | b.WriteString(p.cur.Literal) |
| 1348 | p.advance() |
| 1349 | for !p.got(token.NEWLINE) && !p.got(token.EOF) { |
| 1350 | b.WriteString(p.cur.Literal) |
| 1351 | p.advance() |
| 1352 | } |
| 1353 | text := strings.TrimSpace(strings.TrimPrefix(strings.TrimSpace(b.String()), string(marker))) |
| 1354 | span := p.span(s) // marker to line end, without the newline |
| 1355 | p.expectNewline() |
| 1356 | return &ast.Comment{Marker: marker, Text: text, Span: span} |
| 1357 | } |
| 1358 | |
| 1359 | func isDirectiveKeyword(t token.Type) bool { |
| 1360 | switch t { |
| 1361 | case token.COMMENTKW, token.ACCOUNT, token.COMMODITY, token.INCLUDE, |
| 1362 | token.ALIAS, token.PAYEE, token.TAG, token.APPLY, token.END, |
| 1363 | token.YEAR, token.DECIMALMARK, token.D, token.P, token.N, token.C: |
| 1364 | return true |
| 1365 | } |
| 1366 | return false |
| 1367 | } |
| 1368 | |
| 1369 | func (p *Parser) sync() { |
| 1370 | for { |
| 1371 | switch p.cur.Type { |
| 1372 | case token.EOF: |
| 1373 | return |
| 1374 | case token.NEWLINE: |
| 1375 | p.advance() |
| 1376 | t := p.cur.Type |
| 1377 | if isDirectiveKeyword(t) || t == token.DATE || t == token.TILDE || t == token.EQ { |
| 1378 | return |
| 1379 | } |
| 1380 | default: |
| 1381 | p.advance() |
| 1382 | } |
| 1383 | } |
| 1384 | } |
| 1385 | |
| 1386 | func (p *Parser) syncToNextline() { |
| 1387 | for p.cur.Type != token.NEWLINE && p.cur.Type != token.EOF { |
| 1388 | p.advance() |
| 1389 | } |
| 1390 | if p.got(token.NEWLINE) { |
| 1391 | p.advance() |
| 1392 | } |
| 1393 | } |
| 1394 | |
| 1395 | func (p *Parser) skipWhitespace() { |
| 1396 | for p.got(token.WHITESPACE) { |
| 1397 | p.advance() |
| 1398 | } |
| 1399 | } |
| 1400 | |
| 1401 | func (p *Parser) span(s token.Span) token.Span { |
| 1402 | return token.Span{File: s.File, Start: s.Start, End: p.cur.Span.Start} |
| 1403 | } |
| 1404 | |
| 1405 | func normalizeLiteral(lit string, thousands, decimal byte) string { |
| 1406 | // fast path: no separators to strip and the decimal mark is already '.' |
| 1407 | if thousands == 0 && (decimal == 0 || decimal == '.') { |
| 1408 | return lit |
| 1409 | } |
| 1410 | var b strings.Builder |
| 1411 | for _, ch := range []byte(lit) { |
| 1412 | if thousands != 0 && ch == thousands { |
| 1413 | continue // skip thousands separator |
| 1414 | } |
| 1415 | if ch == decimal { |
| 1416 | b.WriteByte('.') |
| 1417 | } else { |
| 1418 | b.WriteByte(ch) |
| 1419 | } |
| 1420 | } |
| 1421 | return b.String() |
| 1422 | } |
| 1423 | |
| 1424 | func detectFormat(lit string) ast.QuantityFormat { |
| 1425 | var seps []int |
| 1426 | for i, ch := range []byte(lit) { |
| 1427 | if ch == '.' || ch == ',' || ch == ' ' || ch == '_' || ch == '\'' { |
| 1428 | seps = append(seps, i) |
| 1429 | } |
| 1430 | } |
| 1431 | |
| 1432 | if len(seps) == 0 { |
| 1433 | return ast.QuantityFormat{} |
| 1434 | } |
| 1435 | |
| 1436 | last := seps[len(seps)-1] |
| 1437 | dec := lit[last] |
| 1438 | if dec != '.' && dec != ',' { |
| 1439 | // the last separator is a thousands mark; the literal has no decimal mark |
| 1440 | dec = 0 |
| 1441 | } |
| 1442 | var thou byte |
| 1443 | if len(seps) > 1 { |
| 1444 | thou = lit[seps[0]] |
| 1445 | } else if dec == 0 { |
| 1446 | // single space/underscore/apostrophe is always thousands |
| 1447 | thou = lit[last] |
| 1448 | } |
| 1449 | |
| 1450 | // calculate precision when the last separator is a real decimal |
| 1451 | prec := 0 |
| 1452 | if thou == 0 || len(seps) > 1 { |
| 1453 | prec = len(lit) - last - 1 |
| 1454 | } |
| 1455 | |
| 1456 | return ast.QuantityFormat{Decimal: dec, Thousands: thou, Precision: prec} |
| 1457 | } |
| 1458 | |
| 1459 | // parseSimpleDate parses full YYYY/MM/DD date literal embedded in free text. |
| 1460 | func parseSimpleDate(s string) ast.Date { |
| 1461 | year, month, day, sep, err := ParseDateLiteral(s) |
| 1462 | if err != nil { |
| 1463 | return ast.Date{} |
| 1464 | } |
| 1465 | return ast.Date{Year: year, Month: month, Day: day, Sep: sep} |
| 1466 | } |
| 1467 | |
| 1468 | // ParseDateLiteral parses and validates a date literal. |
| 1469 | // It accepts full YYYY/MM/DD and partial MM/DD forms, with '-', '/' or '.' as separators. |
| 1470 | func ParseDateLiteral(lit string) (year, month, day int, sep byte, err error) { |
| 1471 | sep = dateSeparator(lit) |
| 1472 | if sep == 0 { |
| 1473 | return 0, 0, 0, 0, fmt.Errorf("invalid date format: %q", lit) |
| 1474 | } |
| 1475 | |
| 1476 | parts := strings.Split(lit, string(sep)) |
| 1477 | if len(parts) != 2 && len(parts) != 3 { |
| 1478 | return 0, 0, 0, 0, fmt.Errorf("invalid date format: %q", lit) |
| 1479 | } |
| 1480 | |
| 1481 | nums := make([]int, len(parts)) |
| 1482 | for i, part := range parts { |
| 1483 | if nums[i], err = strconv.Atoi(part); err != nil { |
| 1484 | return 0, 0, 0, 0, fmt.Errorf("invalid date literal: %q", lit) |
| 1485 | } |
| 1486 | } |
| 1487 | |
| 1488 | month = nums[len(parts)-2] |
| 1489 | if month < 1 || month > 12 { |
| 1490 | return 0, 0, 0, 0, fmt.Errorf("invalid month %d in %q", month, lit) |
| 1491 | } |
| 1492 | |
| 1493 | day = nums[len(parts)-1] |
| 1494 | if day < 1 || day > 31 { |
| 1495 | return 0, 0, 0, 0, fmt.Errorf("invalid day %d in %q", day, lit) |
| 1496 | } |
| 1497 | |
| 1498 | if len(parts) == 2 { |
| 1499 | return 0, month, day, sep, nil |
| 1500 | } |
| 1501 | return nums[0], month, day, sep, nil |
| 1502 | } |
| 1503 | |
| 1504 | func dateSeparator(lit string) byte { |
| 1505 | for i := 0; i < len(lit); i++ { |
| 1506 | if lit[i] == '/' || lit[i] == '-' || lit[i] == '.' { |
| 1507 | return lit[i] |
| 1508 | } |
| 1509 | } |
| 1510 | return 0 |
| 1511 | } |
| 1512 | |
| 1513 | // parseCommentTags extacts tags from comment text. |
| 1514 | // A tag is a word immediately followed by a ':', with an optional value that ends at a comma or the end of a line. |
| 1515 | // https://hledger.org/1.52/hledger.html?highlight=tags#tags |
| 1516 | func parseCommentTags(text string, base token.Span) []ast.Tag { |
| 1517 | var tags []ast.Tag |
| 1518 | for i := 0; i < len(text); { |
| 1519 | colon := strings.IndexByte(text[i:], ':') |
| 1520 | if colon < 0 { |
| 1521 | break |
| 1522 | } |
| 1523 | colon += i |
| 1524 | |
| 1525 | keyStart := colon |
| 1526 | for keyStart > i { |
| 1527 | r, size := utf8.DecodeLastRuneInString(text[:keyStart]) |
| 1528 | if unicode.IsSpace(r) { |
| 1529 | break |
| 1530 | } |
| 1531 | keyStart -= size |
| 1532 | } |
| 1533 | if keyStart == colon { // nothing before the colon = not a tag |
| 1534 | i = colon + 1 |
| 1535 | continue |
| 1536 | } |
| 1537 | key := text[keyStart:colon] |
| 1538 | |
| 1539 | valueEnd := colon + 1 |
| 1540 | for valueEnd < len(text) && text[valueEnd] != ',' { |
| 1541 | valueEnd++ |
| 1542 | } |
| 1543 | value := strings.TrimSpace(text[colon+1 : valueEnd]) |
| 1544 | |
| 1545 | tags = append(tags, ast.Tag{ |
| 1546 | Key: key, |
| 1547 | Value: value, |
| 1548 | Span: token.Span{ |
| 1549 | File: base.File, |
| 1550 | Start: tagPos(base.Start, text, keyStart), |
| 1551 | End: tagPos(base.Start, text, valueEnd), |
| 1552 | }, |
| 1553 | }) |
| 1554 | i = valueEnd |
| 1555 | if i < len(text) && text[i] == ',' { |
| 1556 | i++ |
| 1557 | } |
| 1558 | } |
| 1559 | |
| 1560 | return tags |
| 1561 | } |
| 1562 | |
| 1563 | func tagPos(base token.Pos, text string, off int) token.Pos { |
| 1564 | return token.Pos{ |
| 1565 | Offset: base.Offset + off, |
| 1566 | Line: base.Line, |
| 1567 | Col: base.Col + utf8.RuneCountInString(text[:off]), |
| 1568 | } |
| 1569 | } |