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1 // Copyright (c) 2020-2024 Joe Conigliaro. All rights reserved.
2 // Use of this source code is governed by an MIT license
3 // that can be found in the LICENSE file.
4 module ast_dump
5 
6 import strings
7 import v2.ast
8 import v2.token
9 
10 // JsonBuilder provides JSON string building with proper escaping
11 struct JsonBuilder {
12 mut:
13     sb     strings.Builder
14     indent int
15 }
16 
17 fn JsonBuilder.new() JsonBuilder {
18     return JsonBuilder{
19         sb: strings.new_builder(4096)
20     }
21 }
22 
23 fn (mut jb JsonBuilder) write_indent() {
24     for _ in 0 .. jb.indent {
25         jb.sb.write_string('  ')
26     }
27 }
28 
29 fn (mut jb JsonBuilder) write_string(s string) {
30     jb.sb.write_string('"')
31     for c in s {
32         match c {
33             `\\` { jb.sb.write_string('\\\\') }
34             `"` { jb.sb.write_string('\\"') }
35             `\n` { jb.sb.write_string('\\n') }
36             `\r` { jb.sb.write_string('\\r') }
37             `\t` { jb.sb.write_string('\\t') }
38             else { jb.sb.write_u8(c) }
39         }
40     }
41     jb.sb.write_string('"')
42 }
43 
44 fn (mut jb JsonBuilder) str() string {
45     return jb.sb.str()
46 }
47 
48 // dump_files serializes an array of AST files to JSON
49 pub fn dump_files(files []ast.File) string {
50     mut jb := JsonBuilder.new()
51     jb.sb.write_string('[\n')
52     jb.indent++
53     for i, file in files {
54         jb.write_file(file)
55         if i < files.len - 1 {
56             jb.sb.write_string(',')
57         }
58         jb.sb.write_string('\n')
59     }
60     jb.indent--
61     jb.sb.write_string(']\n')
62     return jb.str()
63 }
64 
65 fn (mut jb JsonBuilder) write_file(file ast.File) {
66     jb.write_indent()
67     jb.sb.write_string('{\n')
68     jb.indent++
69 
70     jb.write_indent()
71     jb.sb.write_string('"type": "File",\n')
72 
73     jb.write_indent()
74     jb.sb.write_string('"name": ')
75     jb.write_string(file.name)
76     jb.sb.write_string(',\n')
77 
78     jb.write_indent()
79     jb.sb.write_string('"module": ')
80     jb.write_string(file.mod)
81     jb.sb.write_string(',\n')
82 
83     jb.write_indent()
84     jb.sb.write_string('"attributes": ')
85     jb.write_attributes(file.attributes)
86     jb.sb.write_string(',\n')
87 
88     jb.write_indent()
89     jb.sb.write_string('"imports": ')
90     jb.write_imports(file.imports)
91     jb.sb.write_string(',\n')
92 
93     jb.write_indent()
94     jb.sb.write_string('"stmts": ')
95     jb.write_stmts(file.stmts)
96     jb.sb.write_string('\n')
97 
98     jb.indent--
99     jb.write_indent()
100     jb.sb.write_string('}')
101 }
102 
103 fn (mut jb JsonBuilder) write_imports(imports []ast.ImportStmt) {
104     jb.sb.write_string('[\n')
105     jb.indent++
106     for i, imp in imports {
107         jb.write_import(imp)
108         if i < imports.len - 1 {
109             jb.sb.write_string(',')
110         }
111         jb.sb.write_string('\n')
112     }
113     jb.indent--
114     jb.write_indent()
115     jb.sb.write_string(']')
116 }
117 
118 fn (mut jb JsonBuilder) write_import(imp ast.ImportStmt) {
119     jb.write_indent()
120     jb.sb.write_string('{\n')
121     jb.indent++
122 
123     jb.write_indent()
124     jb.sb.write_string('"type": "ImportStmt",\n')
125 
126     jb.write_indent()
127     jb.sb.write_string('"name": ')
128     jb.write_string(imp.name)
129     jb.sb.write_string(',\n')
130 
131     jb.write_indent()
132     jb.sb.write_string('"alias": ')
133     jb.write_string(imp.alias)
134     jb.sb.write_string(',\n')
135 
136     jb.write_indent()
137     jb.sb.write_string('"is_aliased": ${imp.is_aliased},\n')
138 
139     jb.write_indent()
140     jb.sb.write_string('"symbols": ')
141     jb.write_exprs(imp.symbols)
142     jb.sb.write_string('\n')
143 
144     jb.indent--
145     jb.write_indent()
146     jb.sb.write_string('}')
147 }
148 
149 fn (mut jb JsonBuilder) write_attributes(attrs []ast.Attribute) {
150     jb.sb.write_string('[\n')
151     jb.indent++
152     for i, attr in attrs {
153         jb.write_attribute(attr)
154         if i < attrs.len - 1 {
155             jb.sb.write_string(',')
156         }
157         jb.sb.write_string('\n')
158     }
159     jb.indent--
160     jb.write_indent()
161     jb.sb.write_string(']')
162 }
163 
164 fn (mut jb JsonBuilder) write_attribute(attr ast.Attribute) {
165     jb.write_indent()
166     jb.sb.write_string('{\n')
167     jb.indent++
168 
169     jb.write_indent()
170     jb.sb.write_string('"name": ')
171     jb.write_string(attr.name)
172     jb.sb.write_string(',\n')
173 
174     jb.write_indent()
175     jb.sb.write_string('"value": ')
176     jb.write_expr(attr.value)
177     jb.sb.write_string('\n')
178 
179     jb.indent--
180     jb.write_indent()
181     jb.sb.write_string('}')
182 }
183 
184 fn (mut jb JsonBuilder) write_stmts(stmts []ast.Stmt) {
185     jb.sb.write_string('[\n')
186     jb.indent++
187     for i, stmt in stmts {
188         jb.write_stmt(stmt)
189         if i < stmts.len - 1 {
190             jb.sb.write_string(',')
191         }
192         jb.sb.write_string('\n')
193     }
194     jb.indent--
195     jb.write_indent()
196     jb.sb.write_string(']')
197 }
198 
199 fn (mut jb JsonBuilder) write_stmt(stmt ast.Stmt) {
200     jb.write_indent()
201     match stmt {
202         ast.AssignStmt {
203             jb.write_assign_stmt(stmt)
204         }
205         ast.AssertStmt {
206             jb.write_assert_stmt(stmt)
207         }
208         ast.BlockStmt {
209             jb.write_block_stmt(stmt)
210         }
211         ast.ConstDecl {
212             jb.write_const_decl(stmt)
213         }
214         ast.DeferStmt {
215             jb.write_defer_stmt(stmt)
216         }
217         ast.Directive {
218             jb.write_directive(stmt)
219         }
220         ast.EnumDecl {
221             jb.write_enum_decl(stmt)
222         }
223         ast.ExprStmt {
224             jb.write_expr_stmt(stmt)
225         }
226         ast.FlowControlStmt {
227             jb.write_flow_control_stmt(stmt)
228         }
229         ast.FnDecl {
230             jb.write_fn_decl(stmt)
231         }
232         ast.ForStmt {
233             jb.write_for_stmt(stmt)
234         }
235         ast.ForInStmt {
236             jb.write_for_in_stmt(stmt)
237         }
238         ast.GlobalDecl {
239             jb.write_global_decl(stmt)
240         }
241         ast.ImportStmt {
242             jb.write_import(stmt)
243         }
244         ast.InterfaceDecl {
245             jb.write_interface_decl(stmt)
246         }
247         ast.LabelStmt {
248             jb.write_label_stmt(stmt)
249         }
250         ast.ModuleStmt {
251             jb.write_module_stmt(stmt)
252         }
253         ast.ReturnStmt {
254             jb.write_return_stmt(stmt)
255         }
256         ast.StructDecl {
257             jb.write_struct_decl(stmt)
258         }
259         ast.TypeDecl {
260             jb.write_type_decl(stmt)
261         }
262         ast.AsmStmt {
263             jb.sb.write_string('{"type": "AsmStmt"}')
264         }
265         ast.ComptimeStmt {
266             jb.write_comptime_stmt(stmt)
267         }
268         ast.EmptyStmt {
269             jb.sb.write_string('{"type": "EmptyStmt"}')
270         }
271         []ast.Attribute {
272             jb.sb.write_string('{"type": "Attributes", "attrs": ')
273             jb.write_attributes(stmt)
274             jb.sb.write_string('}')
275         }
276     }
277 }
278 
279 fn (mut jb JsonBuilder) write_assign_stmt(stmt ast.AssignStmt) {
280     jb.sb.write_string('{\n')
281     jb.indent++
282 
283     jb.write_indent()
284     jb.sb.write_string('"type": "AssignStmt",\n')
285 
286     jb.write_indent()
287     jb.sb.write_string('"op": ')
288     jb.write_string(stmt.op.str())
289     jb.sb.write_string(',\n')
290 
291     jb.write_indent()
292     jb.sb.write_string('"lhs": ')
293     jb.write_exprs(stmt.lhs)
294     jb.sb.write_string(',\n')
295 
296     jb.write_indent()
297     jb.sb.write_string('"rhs": ')
298     jb.write_exprs(stmt.rhs)
299     jb.sb.write_string(',\n')
300 
301     jb.write_indent()
302     jb.sb.write_string('"pos": ')
303     jb.write_pos(stmt.pos)
304     jb.sb.write_string('\n')
305 
306     jb.indent--
307     jb.write_indent()
308     jb.sb.write_string('}')
309 }
310 
311 fn (mut jb JsonBuilder) write_assert_stmt(stmt ast.AssertStmt) {
312     jb.sb.write_string('{\n')
313     jb.indent++
314 
315     jb.write_indent()
316     jb.sb.write_string('"type": "AssertStmt",\n')
317 
318     jb.write_indent()
319     jb.sb.write_string('"expr": ')
320     jb.write_expr(stmt.expr)
321     jb.sb.write_string(',\n')
322 
323     jb.write_indent()
324     jb.sb.write_string('"extra": ')
325     jb.write_expr(stmt.extra)
326     jb.sb.write_string('\n')
327 
328     jb.indent--
329     jb.write_indent()
330     jb.sb.write_string('}')
331 }
332 
333 fn (mut jb JsonBuilder) write_block_stmt(stmt ast.BlockStmt) {
334     jb.sb.write_string('{\n')
335     jb.indent++
336 
337     jb.write_indent()
338     jb.sb.write_string('"type": "BlockStmt",\n')
339 
340     jb.write_indent()
341     jb.sb.write_string('"stmts": ')
342     jb.write_stmts(stmt.stmts)
343     jb.sb.write_string('\n')
344 
345     jb.indent--
346     jb.write_indent()
347     jb.sb.write_string('}')
348 }
349 
350 fn (mut jb JsonBuilder) write_const_decl(stmt ast.ConstDecl) {
351     jb.sb.write_string('{\n')
352     jb.indent++
353 
354     jb.write_indent()
355     jb.sb.write_string('"type": "ConstDecl",\n')
356 
357     jb.write_indent()
358     jb.sb.write_string('"is_public": ${stmt.is_public},\n')
359 
360     jb.write_indent()
361     jb.sb.write_string('"fields": ')
362     jb.write_field_inits(stmt.fields)
363     jb.sb.write_string('\n')
364 
365     jb.indent--
366     jb.write_indent()
367     jb.sb.write_string('}')
368 }
369 
370 fn (mut jb JsonBuilder) write_defer_stmt(stmt ast.DeferStmt) {
371     jb.sb.write_string('{\n')
372     jb.indent++
373 
374     jb.write_indent()
375     jb.sb.write_string('"type": "DeferStmt",\n')
376 
377     jb.write_indent()
378     jb.sb.write_string('"mode": ')
379     jb.write_string(stmt.mode.str())
380     jb.sb.write_string(',\n')
381 
382     jb.write_indent()
383     jb.sb.write_string('"stmts": ')
384     jb.write_stmts(stmt.stmts)
385     jb.sb.write_string('\n')
386 
387     jb.indent--
388     jb.write_indent()
389     jb.sb.write_string('}')
390 }
391 
392 fn (mut jb JsonBuilder) write_directive(stmt ast.Directive) {
393     jb.sb.write_string('{\n')
394     jb.indent++
395 
396     jb.write_indent()
397     jb.sb.write_string('"type": "Directive",\n')
398 
399     jb.write_indent()
400     jb.sb.write_string('"name": ')
401     jb.write_string(stmt.name)
402     jb.sb.write_string(',\n')
403 
404     jb.write_indent()
405     jb.sb.write_string('"value": ')
406     jb.write_string(stmt.value)
407     if stmt.ct_cond.len > 0 {
408         jb.sb.write_string(',\n')
409         jb.write_indent()
410         jb.sb.write_string('"ct_cond": ')
411         jb.write_string(stmt.ct_cond)
412     }
413     jb.sb.write_string('\n')
414 
415     jb.indent--
416     jb.write_indent()
417     jb.sb.write_string('}')
418 }
419 
420 fn (mut jb JsonBuilder) write_enum_decl(stmt ast.EnumDecl) {
421     jb.sb.write_string('{\n')
422     jb.indent++
423 
424     jb.write_indent()
425     jb.sb.write_string('"type": "EnumDecl",\n')
426 
427     jb.write_indent()
428     jb.sb.write_string('"name": ')
429     jb.write_string(stmt.name)
430     jb.sb.write_string(',\n')
431 
432     jb.write_indent()
433     jb.sb.write_string('"is_public": ${stmt.is_public},\n')
434 
435     jb.write_indent()
436     jb.sb.write_string('"attributes": ')
437     jb.write_attributes(stmt.attributes)
438     jb.sb.write_string(',\n')
439 
440     jb.write_indent()
441     jb.sb.write_string('"as_type": ')
442     jb.write_expr(stmt.as_type)
443     jb.sb.write_string(',\n')
444 
445     jb.write_indent()
446     jb.sb.write_string('"fields": ')
447     jb.write_field_decls(stmt.fields)
448     jb.sb.write_string('\n')
449 
450     jb.indent--
451     jb.write_indent()
452     jb.sb.write_string('}')
453 }
454 
455 fn (mut jb JsonBuilder) write_expr_stmt(stmt ast.ExprStmt) {
456     jb.sb.write_string('{\n')
457     jb.indent++
458 
459     jb.write_indent()
460     jb.sb.write_string('"type": "ExprStmt",\n')
461 
462     jb.write_indent()
463     jb.sb.write_string('"expr": ')
464     jb.write_expr(stmt.expr)
465     jb.sb.write_string('\n')
466 
467     jb.indent--
468     jb.write_indent()
469     jb.sb.write_string('}')
470 }
471 
472 fn (mut jb JsonBuilder) write_flow_control_stmt(stmt ast.FlowControlStmt) {
473     jb.sb.write_string('{\n')
474     jb.indent++
475 
476     jb.write_indent()
477     jb.sb.write_string('"type": "FlowControlStmt",\n')
478 
479     jb.write_indent()
480     jb.sb.write_string('"op": ')
481     jb.write_string(stmt.op.str())
482     jb.sb.write_string(',\n')
483 
484     jb.write_indent()
485     jb.sb.write_string('"label": ')
486     jb.write_string(stmt.label)
487     jb.sb.write_string('\n')
488 
489     jb.indent--
490     jb.write_indent()
491     jb.sb.write_string('}')
492 }
493 
494 fn (mut jb JsonBuilder) write_fn_decl(stmt ast.FnDecl) {
495     jb.sb.write_string('{\n')
496     jb.indent++
497 
498     jb.write_indent()
499     jb.sb.write_string('"type": "FnDecl",\n')
500 
501     jb.write_indent()
502     jb.sb.write_string('"name": ')
503     jb.write_string(stmt.name)
504     jb.sb.write_string(',\n')
505 
506     jb.write_indent()
507     jb.sb.write_string('"is_public": ${stmt.is_public},\n')
508 
509     jb.write_indent()
510     jb.sb.write_string('"is_method": ${stmt.is_method},\n')
511 
512     jb.write_indent()
513     jb.sb.write_string('"is_static": ${stmt.is_static},\n')
514 
515     jb.write_indent()
516     jb.sb.write_string('"language": ')
517     jb.write_string(stmt.language.str())
518     jb.sb.write_string(',\n')
519 
520     jb.write_indent()
521     jb.sb.write_string('"attributes": ')
522     jb.write_attributes(stmt.attributes)
523     jb.sb.write_string(',\n')
524 
525     if stmt.is_method {
526         jb.write_indent()
527         jb.sb.write_string('"receiver": ')
528         jb.write_parameter(stmt.receiver)
529         jb.sb.write_string(',\n')
530     }
531 
532     jb.write_indent()
533     jb.sb.write_string('"fn_type": ')
534     jb.write_fn_type(stmt.typ)
535     jb.sb.write_string(',\n')
536 
537     jb.write_indent()
538     jb.sb.write_string('"stmts": ')
539     jb.write_stmts(stmt.stmts)
540     jb.sb.write_string(',\n')
541 
542     jb.write_indent()
543     jb.sb.write_string('"pos": ')
544     jb.write_pos(stmt.pos)
545     jb.sb.write_string('\n')
546 
547     jb.indent--
548     jb.write_indent()
549     jb.sb.write_string('}')
550 }
551 
552 fn (mut jb JsonBuilder) write_for_stmt(stmt ast.ForStmt) {
553     jb.sb.write_string('{\n')
554     jb.indent++
555 
556     jb.write_indent()
557     jb.sb.write_string('"type": "ForStmt",\n')
558 
559     jb.write_indent()
560     jb.sb.write_string('"init": ')
561     jb.write_stmt(stmt.init)
562     jb.sb.write_string(',\n')
563 
564     jb.write_indent()
565     jb.sb.write_string('"cond": ')
566     jb.write_expr(stmt.cond)
567     jb.sb.write_string(',\n')
568 
569     jb.write_indent()
570     jb.sb.write_string('"post": ')
571     jb.write_stmt(stmt.post)
572     jb.sb.write_string(',\n')
573 
574     jb.write_indent()
575     jb.sb.write_string('"stmts": ')
576     jb.write_stmts(stmt.stmts)
577     jb.sb.write_string('\n')
578 
579     jb.indent--
580     jb.write_indent()
581     jb.sb.write_string('}')
582 }
583 
584 fn (mut jb JsonBuilder) write_for_in_stmt(stmt ast.ForInStmt) {
585     jb.sb.write_string('{\n')
586     jb.indent++
587 
588     jb.write_indent()
589     jb.sb.write_string('"type": "ForInStmt",\n')
590 
591     jb.write_indent()
592     jb.sb.write_string('"key": ')
593     jb.write_expr(stmt.key)
594     jb.sb.write_string(',\n')
595 
596     jb.write_indent()
597     jb.sb.write_string('"value": ')
598     jb.write_expr(stmt.value)
599     jb.sb.write_string(',\n')
600 
601     jb.write_indent()
602     jb.sb.write_string('"expr": ')
603     jb.write_expr(stmt.expr)
604     jb.sb.write_string('\n')
605 
606     jb.indent--
607     jb.write_indent()
608     jb.sb.write_string('}')
609 }
610 
611 fn (mut jb JsonBuilder) write_global_decl(stmt ast.GlobalDecl) {
612     jb.sb.write_string('{\n')
613     jb.indent++
614 
615     jb.write_indent()
616     jb.sb.write_string('"type": "GlobalDecl",\n')
617 
618     jb.write_indent()
619     jb.sb.write_string('"attributes": ')
620     jb.write_attributes(stmt.attributes)
621     jb.sb.write_string(',\n')
622 
623     jb.write_indent()
624     jb.sb.write_string('"is_public": ${stmt.is_public},\n')
625 
626     jb.write_indent()
627     jb.sb.write_string('"fields": ')
628     jb.write_field_decls(stmt.fields)
629     jb.sb.write_string('\n')
630 
631     jb.indent--
632     jb.write_indent()
633     jb.sb.write_string('}')
634 }
635 
636 fn (mut jb JsonBuilder) write_interface_decl(stmt ast.InterfaceDecl) {
637     jb.sb.write_string('{\n')
638     jb.indent++
639 
640     jb.write_indent()
641     jb.sb.write_string('"type": "InterfaceDecl",\n')
642 
643     jb.write_indent()
644     jb.sb.write_string('"name": ')
645     jb.write_string(stmt.name)
646     jb.sb.write_string(',\n')
647 
648     jb.write_indent()
649     jb.sb.write_string('"is_public": ${stmt.is_public},\n')
650 
651     jb.write_indent()
652     jb.sb.write_string('"attributes": ')
653     jb.write_attributes(stmt.attributes)
654     jb.sb.write_string(',\n')
655 
656     jb.write_indent()
657     jb.sb.write_string('"generic_params": ')
658     jb.write_exprs(stmt.generic_params)
659     jb.sb.write_string(',\n')
660 
661     jb.write_indent()
662     jb.sb.write_string('"embedded": ')
663     jb.write_exprs(stmt.embedded)
664     jb.sb.write_string(',\n')
665 
666     jb.write_indent()
667     jb.sb.write_string('"fields": ')
668     jb.write_field_decls(stmt.fields)
669     jb.sb.write_string('\n')
670 
671     jb.indent--
672     jb.write_indent()
673     jb.sb.write_string('}')
674 }
675 
676 fn (mut jb JsonBuilder) write_label_stmt(stmt ast.LabelStmt) {
677     jb.sb.write_string('{\n')
678     jb.indent++
679 
680     jb.write_indent()
681     jb.sb.write_string('"type": "LabelStmt",\n')
682 
683     jb.write_indent()
684     jb.sb.write_string('"name": ')
685     jb.write_string(stmt.name)
686     jb.sb.write_string(',\n')
687 
688     jb.write_indent()
689     jb.sb.write_string('"stmt": ')
690     jb.write_stmt(stmt.stmt)
691     jb.sb.write_string('\n')
692 
693     jb.indent--
694     jb.write_indent()
695     jb.sb.write_string('}')
696 }
697 
698 fn (mut jb JsonBuilder) write_module_stmt(stmt ast.ModuleStmt) {
699     jb.sb.write_string('{\n')
700     jb.indent++
701 
702     jb.write_indent()
703     jb.sb.write_string('"type": "ModuleStmt",\n')
704 
705     jb.write_indent()
706     jb.sb.write_string('"name": ')
707     jb.write_string(stmt.name)
708     jb.sb.write_string('\n')
709 
710     jb.indent--
711     jb.write_indent()
712     jb.sb.write_string('}')
713 }
714 
715 fn (mut jb JsonBuilder) write_return_stmt(stmt ast.ReturnStmt) {
716     jb.sb.write_string('{\n')
717     jb.indent++
718 
719     jb.write_indent()
720     jb.sb.write_string('"type": "ReturnStmt",\n')
721 
722     jb.write_indent()
723     jb.sb.write_string('"exprs": ')
724     jb.write_exprs(stmt.exprs)
725     jb.sb.write_string('\n')
726 
727     jb.indent--
728     jb.write_indent()
729     jb.sb.write_string('}')
730 }
731 
732 fn (mut jb JsonBuilder) write_struct_decl(stmt ast.StructDecl) {
733     jb.sb.write_string('{\n')
734     jb.indent++
735 
736     jb.write_indent()
737     jb.sb.write_string('"type": "StructDecl",\n')
738 
739     jb.write_indent()
740     jb.sb.write_string('"name": ')
741     jb.write_string(stmt.name)
742     jb.sb.write_string(',\n')
743 
744     jb.write_indent()
745     jb.sb.write_string('"is_public": ${stmt.is_public},\n')
746 
747     jb.write_indent()
748     jb.sb.write_string('"is_union": ${stmt.is_union},\n')
749 
750     jb.write_indent()
751     jb.sb.write_string('"language": ')
752     jb.write_string(stmt.language.str())
753     jb.sb.write_string(',\n')
754 
755     jb.write_indent()
756     jb.sb.write_string('"attributes": ')
757     jb.write_attributes(stmt.attributes)
758     jb.sb.write_string(',\n')
759 
760     jb.write_indent()
761     jb.sb.write_string('"generic_params": ')
762     jb.write_exprs(stmt.generic_params)
763     jb.sb.write_string(',\n')
764 
765     jb.write_indent()
766     jb.sb.write_string('"embedded": ')
767     jb.write_exprs(stmt.embedded)
768     jb.sb.write_string(',\n')
769 
770     jb.write_indent()
771     jb.sb.write_string('"fields": ')
772     jb.write_field_decls(stmt.fields)
773     jb.sb.write_string(',\n')
774 
775     jb.write_indent()
776     jb.sb.write_string('"pos": ')
777     jb.write_pos(stmt.pos)
778     jb.sb.write_string('\n')
779 
780     jb.indent--
781     jb.write_indent()
782     jb.sb.write_string('}')
783 }
784 
785 fn (mut jb JsonBuilder) write_type_decl(stmt ast.TypeDecl) {
786     jb.sb.write_string('{\n')
787     jb.indent++
788 
789     jb.write_indent()
790     jb.sb.write_string('"type": "TypeDecl",\n')
791 
792     jb.write_indent()
793     jb.sb.write_string('"name": ')
794     jb.write_string(stmt.name)
795     jb.sb.write_string(',\n')
796 
797     jb.write_indent()
798     jb.sb.write_string('"is_public": ${stmt.is_public},\n')
799 
800     jb.write_indent()
801     jb.sb.write_string('"language": ')
802     jb.write_string(stmt.language.str())
803     jb.sb.write_string(',\n')
804 
805     jb.write_indent()
806     jb.sb.write_string('"generic_params": ')
807     jb.write_exprs(stmt.generic_params)
808     jb.sb.write_string(',\n')
809 
810     jb.write_indent()
811     jb.sb.write_string('"base_type": ')
812     jb.write_expr(stmt.base_type)
813     jb.sb.write_string(',\n')
814 
815     jb.write_indent()
816     jb.sb.write_string('"variants": ')
817     jb.write_exprs(stmt.variants)
818     jb.sb.write_string('\n')
819 
820     jb.indent--
821     jb.write_indent()
822     jb.sb.write_string('}')
823 }
824 
825 fn (mut jb JsonBuilder) write_comptime_stmt(stmt ast.ComptimeStmt) {
826     jb.sb.write_string('{\n')
827     jb.indent++
828 
829     jb.write_indent()
830     jb.sb.write_string('"type": "ComptimeStmt",\n')
831 
832     jb.write_indent()
833     jb.sb.write_string('"stmt": ')
834     jb.write_stmt(stmt.stmt)
835     jb.sb.write_string('\n')
836 
837     jb.indent--
838     jb.write_indent()
839     jb.sb.write_string('}')
840 }
841 
842 fn (mut jb JsonBuilder) write_exprs(exprs []ast.Expr) {
843     jb.sb.write_string('[\n')
844     jb.indent++
845     for i, expr in exprs {
846         jb.write_indent()
847         jb.write_expr(expr)
848         if i < exprs.len - 1 {
849             jb.sb.write_string(',')
850         }
851         jb.sb.write_string('\n')
852     }
853     jb.indent--
854     jb.write_indent()
855     jb.sb.write_string(']')
856 }
857 
858 fn (mut jb JsonBuilder) write_expr(expr ast.Expr) {
859     match expr {
860         ast.ArrayInitExpr {
861             jb.write_array_init_expr(expr)
862         }
863         ast.AsCastExpr {
864             jb.write_as_cast_expr(expr)
865         }
866         ast.AssocExpr {
867             jb.write_assoc_expr(expr)
868         }
869         ast.BasicLiteral {
870             jb.write_basic_literal(expr)
871         }
872         ast.CallExpr {
873             jb.write_call_expr(expr)
874         }
875         ast.CallOrCastExpr {
876             jb.write_call_or_cast_expr(expr)
877         }
878         ast.CastExpr {
879             jb.write_cast_expr(expr)
880         }
881         ast.ComptimeExpr {
882             jb.write_comptime_expr(expr)
883         }
884         ast.EmptyExpr {
885             jb.sb.write_string('{"type": "EmptyExpr"}')
886         }
887         ast.FieldInit {
888             jb.write_field_init(expr)
889         }
890         ast.FnLiteral {
891             jb.write_fn_literal(expr)
892         }
893         ast.GenericArgOrIndexExpr {
894             jb.write_generic_arg_or_index_expr(expr)
895         }
896         ast.GenericArgs {
897             jb.write_generic_args(expr)
898         }
899         ast.Ident {
900             jb.write_ident(expr)
901         }
902         ast.IfExpr {
903             jb.write_if_expr(expr)
904         }
905         ast.IfGuardExpr {
906             jb.write_if_guard_expr(expr)
907         }
908         ast.IndexExpr {
909             jb.write_index_expr(expr)
910         }
911         ast.InfixExpr {
912             jb.write_infix_expr(expr)
913         }
914         ast.InitExpr {
915             jb.write_init_expr(expr)
916         }
917         ast.Keyword {
918             jb.write_keyword(expr)
919         }
920         ast.KeywordOperator {
921             jb.write_keyword_operator(expr)
922         }
923         ast.LambdaExpr {
924             jb.write_lambda_expr(expr)
925         }
926         ast.LifetimeExpr {
927             jb.write_lifetime_expr(expr)
928         }
929         ast.LockExpr {
930             jb.write_lock_expr(expr)
931         }
932         ast.MapInitExpr {
933             jb.write_map_init_expr(expr)
934         }
935         ast.MatchExpr {
936             jb.write_match_expr(expr)
937         }
938         ast.ModifierExpr {
939             jb.write_modifier_expr(expr)
940         }
941         ast.OrExpr {
942             jb.write_or_expr(expr)
943         }
944         ast.ParenExpr {
945             jb.write_paren_expr(expr)
946         }
947         ast.PostfixExpr {
948             jb.write_postfix_expr(expr)
949         }
950         ast.PrefixExpr {
951             jb.write_prefix_expr(expr)
952         }
953         ast.RangeExpr {
954             jb.write_range_expr(expr)
955         }
956         ast.SelectExpr {
957             jb.write_select_expr(expr)
958         }
959         ast.SelectorExpr {
960             jb.write_selector_expr(expr)
961         }
962         ast.SqlExpr {
963             jb.sb.write_string('{"type": "SqlExpr"}')
964         }
965         ast.StringInterLiteral {
966             jb.write_string_inter_literal(expr)
967         }
968         ast.StringLiteral {
969             jb.write_string_literal(expr)
970         }
971         ast.Tuple {
972             jb.write_tuple(expr)
973         }
974         ast.Type {
975             jb.write_type_expr(expr)
976         }
977         ast.UnsafeExpr {
978             jb.write_unsafe_expr(expr)
979         }
980     }
981 }
982 
983 fn (mut jb JsonBuilder) write_array_init_expr(expr ast.ArrayInitExpr) {
984     jb.sb.write_string('{\n')
985     jb.indent++
986 
987     jb.write_indent()
988     jb.sb.write_string('"type": "ArrayInitExpr",\n')
989 
990     jb.write_indent()
991     jb.sb.write_string('"elem_type": ')
992     jb.write_expr(expr.typ)
993     jb.sb.write_string(',\n')
994 
995     jb.write_indent()
996     jb.sb.write_string('"exprs": ')
997     jb.write_exprs(expr.exprs)
998     jb.sb.write_string(',\n')
999 
1000     jb.write_indent()
1001     jb.sb.write_string('"init": ')
1002     jb.write_expr(expr.init)
1003     jb.sb.write_string(',\n')
1004 
1005     jb.write_indent()
1006     jb.sb.write_string('"cap": ')
1007     jb.write_expr(expr.cap)
1008     jb.sb.write_string(',\n')
1009 
1010     jb.write_indent()
1011     jb.sb.write_string('"len": ')
1012     jb.write_expr(expr.len)
1013     jb.sb.write_string(',\n')
1014 
1015     jb.write_indent()
1016     jb.sb.write_string('"update_expr": ')
1017     jb.write_expr(expr.update_expr)
1018     jb.sb.write_string(',\n')
1019 
1020     jb.write_indent()
1021     jb.sb.write_string('"pos": ')
1022     jb.write_pos(expr.pos)
1023     jb.sb.write_string('\n')
1024 
1025     jb.indent--
1026     jb.write_indent()
1027     jb.sb.write_string('}')
1028 }
1029 
1030 fn (mut jb JsonBuilder) write_as_cast_expr(expr ast.AsCastExpr) {
1031     jb.sb.write_string('{\n')
1032     jb.indent++
1033 
1034     jb.write_indent()
1035     jb.sb.write_string('"type": "AsCastExpr",\n')
1036 
1037     jb.write_indent()
1038     jb.sb.write_string('"expr": ')
1039     jb.write_expr(expr.expr)
1040     jb.sb.write_string(',\n')
1041 
1042     jb.write_indent()
1043     jb.sb.write_string('"cast_type": ')
1044     jb.write_expr(expr.typ)
1045     jb.sb.write_string(',\n')
1046 
1047     jb.write_indent()
1048     jb.sb.write_string('"pos": ')
1049     jb.write_pos(expr.pos)
1050     jb.sb.write_string('\n')
1051 
1052     jb.indent--
1053     jb.write_indent()
1054     jb.sb.write_string('}')
1055 }
1056 
1057 fn (mut jb JsonBuilder) write_assoc_expr(expr ast.AssocExpr) {
1058     jb.sb.write_string('{\n')
1059     jb.indent++
1060 
1061     jb.write_indent()
1062     jb.sb.write_string('"type": "AssocExpr",\n')
1063 
1064     jb.write_indent()
1065     jb.sb.write_string('"assoc_type": ')
1066     jb.write_expr(expr.typ)
1067     jb.sb.write_string(',\n')
1068 
1069     jb.write_indent()
1070     jb.sb.write_string('"expr": ')
1071     jb.write_expr(expr.expr)
1072     jb.sb.write_string(',\n')
1073 
1074     jb.write_indent()
1075     jb.sb.write_string('"fields": ')
1076     jb.write_field_inits(expr.fields)
1077     jb.sb.write_string('\n')
1078 
1079     jb.indent--
1080     jb.write_indent()
1081     jb.sb.write_string('}')
1082 }
1083 
1084 fn (mut jb JsonBuilder) write_basic_literal(expr ast.BasicLiteral) {
1085     jb.sb.write_string('{\n')
1086     jb.indent++
1087 
1088     jb.write_indent()
1089     jb.sb.write_string('"type": "BasicLiteral",\n')
1090 
1091     jb.write_indent()
1092     jb.sb.write_string('"kind": ')
1093     jb.write_string(expr.kind.str())
1094     jb.sb.write_string(',\n')
1095 
1096     jb.write_indent()
1097     jb.sb.write_string('"value": ')
1098     jb.write_string(expr.value)
1099     jb.sb.write_string('\n')
1100 
1101     jb.indent--
1102     jb.write_indent()
1103     jb.sb.write_string('}')
1104 }
1105 
1106 fn (mut jb JsonBuilder) write_call_expr(expr ast.CallExpr) {
1107     jb.sb.write_string('{\n')
1108     jb.indent++
1109 
1110     jb.write_indent()
1111     jb.sb.write_string('"type": "CallExpr",\n')
1112 
1113     jb.write_indent()
1114     jb.sb.write_string('"lhs": ')
1115     jb.write_expr(expr.lhs)
1116     jb.sb.write_string(',\n')
1117 
1118     jb.write_indent()
1119     jb.sb.write_string('"args": ')
1120     jb.write_exprs(expr.args)
1121     jb.sb.write_string(',\n')
1122 
1123     jb.write_indent()
1124     jb.sb.write_string('"pos": ')
1125     jb.write_pos(expr.pos)
1126     jb.sb.write_string('\n')
1127 
1128     jb.indent--
1129     jb.write_indent()
1130     jb.sb.write_string('}')
1131 }
1132 
1133 fn (mut jb JsonBuilder) write_call_or_cast_expr(expr ast.CallOrCastExpr) {
1134     jb.sb.write_string('{\n')
1135     jb.indent++
1136 
1137     jb.write_indent()
1138     jb.sb.write_string('"type": "CallOrCastExpr",\n')
1139 
1140     jb.write_indent()
1141     jb.sb.write_string('"lhs": ')
1142     jb.write_expr(expr.lhs)
1143     jb.sb.write_string(',\n')
1144 
1145     jb.write_indent()
1146     jb.sb.write_string('"expr": ')
1147     jb.write_expr(expr.expr)
1148     jb.sb.write_string(',\n')
1149 
1150     jb.write_indent()
1151     jb.sb.write_string('"pos": ')
1152     jb.write_pos(expr.pos)
1153     jb.sb.write_string('\n')
1154 
1155     jb.indent--
1156     jb.write_indent()
1157     jb.sb.write_string('}')
1158 }
1159 
1160 fn (mut jb JsonBuilder) write_cast_expr(expr ast.CastExpr) {
1161     jb.sb.write_string('{\n')
1162     jb.indent++
1163 
1164     jb.write_indent()
1165     jb.sb.write_string('"type": "CastExpr",\n')
1166 
1167     jb.write_indent()
1168     jb.sb.write_string('"cast_type": ')
1169     jb.write_expr(expr.typ)
1170     jb.sb.write_string(',\n')
1171 
1172     jb.write_indent()
1173     jb.sb.write_string('"expr": ')
1174     jb.write_expr(expr.expr)
1175     jb.sb.write_string(',\n')
1176 
1177     jb.write_indent()
1178     jb.sb.write_string('"pos": ')
1179     jb.write_pos(expr.pos)
1180     jb.sb.write_string('\n')
1181 
1182     jb.indent--
1183     jb.write_indent()
1184     jb.sb.write_string('}')
1185 }
1186 
1187 fn (mut jb JsonBuilder) write_comptime_expr(expr ast.ComptimeExpr) {
1188     jb.sb.write_string('{\n')
1189     jb.indent++
1190 
1191     jb.write_indent()
1192     jb.sb.write_string('"type": "ComptimeExpr",\n')
1193 
1194     jb.write_indent()
1195     jb.sb.write_string('"expr": ')
1196     jb.write_expr(expr.expr)
1197     jb.sb.write_string(',\n')
1198 
1199     jb.write_indent()
1200     jb.sb.write_string('"pos": ')
1201     jb.write_pos(expr.pos)
1202     jb.sb.write_string('\n')
1203 
1204     jb.indent--
1205     jb.write_indent()
1206     jb.sb.write_string('}')
1207 }
1208 
1209 fn (mut jb JsonBuilder) write_field_init(expr ast.FieldInit) {
1210     jb.sb.write_string('{\n')
1211     jb.indent++
1212 
1213     jb.write_indent()
1214     jb.sb.write_string('"type": "FieldInit",\n')
1215 
1216     jb.write_indent()
1217     jb.sb.write_string('"name": ')
1218     jb.write_string(expr.name)
1219     jb.sb.write_string(',\n')
1220 
1221     jb.write_indent()
1222     jb.sb.write_string('"value": ')
1223     jb.write_expr(expr.value)
1224     jb.sb.write_string('\n')
1225 
1226     jb.indent--
1227     jb.write_indent()
1228     jb.sb.write_string('}')
1229 }
1230 
1231 fn (mut jb JsonBuilder) write_field_inits(fields []ast.FieldInit) {
1232     jb.sb.write_string('[\n')
1233     jb.indent++
1234     for i, field in fields {
1235         jb.write_indent()
1236         jb.write_field_init(field)
1237         if i < fields.len - 1 {
1238             jb.sb.write_string(',')
1239         }
1240         jb.sb.write_string('\n')
1241     }
1242     jb.indent--
1243     jb.write_indent()
1244     jb.sb.write_string(']')
1245 }
1246 
1247 fn (mut jb JsonBuilder) write_field_decls(fields []ast.FieldDecl) {
1248     jb.sb.write_string('[\n')
1249     jb.indent++
1250     for i, field in fields {
1251         jb.write_indent()
1252         jb.write_field_decl(field)
1253         if i < fields.len - 1 {
1254             jb.sb.write_string(',')
1255         }
1256         jb.sb.write_string('\n')
1257     }
1258     jb.indent--
1259     jb.write_indent()
1260     jb.sb.write_string(']')
1261 }
1262 
1263 fn (mut jb JsonBuilder) write_field_decl(field ast.FieldDecl) {
1264     jb.sb.write_string('{\n')
1265     jb.indent++
1266 
1267     jb.write_indent()
1268     jb.sb.write_string('"name": ')
1269     jb.write_string(field.name)
1270     jb.sb.write_string(',\n')
1271 
1272     jb.write_indent()
1273     jb.sb.write_string('"field_type": ')
1274     jb.write_expr(field.typ)
1275     jb.sb.write_string(',\n')
1276 
1277     jb.write_indent()
1278     jb.sb.write_string('"value": ')
1279     jb.write_expr(field.value)
1280     jb.sb.write_string(',\n')
1281 
1282     jb.write_indent()
1283     jb.sb.write_string('"attributes": ')
1284     jb.write_attributes(field.attributes)
1285     jb.sb.write_string(',\n')
1286 
1287     jb.write_indent()
1288     jb.sb.write_string('"is_public": ${field.is_public},\n')
1289 
1290     jb.write_indent()
1291     jb.sb.write_string('"is_mut": ${field.is_mut}')
1292     jb.sb.write_string('\n')
1293 
1294     jb.indent--
1295     jb.write_indent()
1296     jb.sb.write_string('}')
1297 }
1298 
1299 fn (mut jb JsonBuilder) write_fn_literal(expr ast.FnLiteral) {
1300     jb.sb.write_string('{\n')
1301     jb.indent++
1302 
1303     jb.write_indent()
1304     jb.sb.write_string('"type": "FnLiteral",\n')
1305 
1306     jb.write_indent()
1307     jb.sb.write_string('"fn_type": ')
1308     jb.write_fn_type(expr.typ)
1309     jb.sb.write_string(',\n')
1310 
1311     jb.write_indent()
1312     jb.sb.write_string('"captured_vars": ')
1313     jb.write_exprs(expr.captured_vars)
1314     jb.sb.write_string(',\n')
1315 
1316     jb.write_indent()
1317     jb.sb.write_string('"stmts": ')
1318     jb.write_stmts(expr.stmts)
1319     jb.sb.write_string('\n')
1320 
1321     jb.indent--
1322     jb.write_indent()
1323     jb.sb.write_string('}')
1324 }
1325 
1326 fn (mut jb JsonBuilder) write_generic_arg_or_index_expr(expr ast.GenericArgOrIndexExpr) {
1327     jb.sb.write_string('{\n')
1328     jb.indent++
1329 
1330     jb.write_indent()
1331     jb.sb.write_string('"type": "GenericArgOrIndexExpr",\n')
1332 
1333     jb.write_indent()
1334     jb.sb.write_string('"lhs": ')
1335     jb.write_expr(expr.lhs)
1336     jb.sb.write_string(',\n')
1337 
1338     jb.write_indent()
1339     jb.sb.write_string('"expr": ')
1340     jb.write_expr(expr.expr)
1341     jb.sb.write_string('\n')
1342 
1343     jb.indent--
1344     jb.write_indent()
1345     jb.sb.write_string('}')
1346 }
1347 
1348 fn (mut jb JsonBuilder) write_generic_args(expr ast.GenericArgs) {
1349     jb.sb.write_string('{\n')
1350     jb.indent++
1351 
1352     jb.write_indent()
1353     jb.sb.write_string('"type": "GenericArgs",\n')
1354 
1355     jb.write_indent()
1356     jb.sb.write_string('"lhs": ')
1357     jb.write_expr(expr.lhs)
1358     jb.sb.write_string(',\n')
1359 
1360     jb.write_indent()
1361     jb.sb.write_string('"args": ')
1362     jb.write_exprs(expr.args)
1363     jb.sb.write_string('\n')
1364 
1365     jb.indent--
1366     jb.write_indent()
1367     jb.sb.write_string('}')
1368 }
1369 
1370 fn (mut jb JsonBuilder) write_ident(expr ast.Ident) {
1371     jb.sb.write_string('{\n')
1372     jb.indent++
1373 
1374     jb.write_indent()
1375     jb.sb.write_string('"type": "Ident",\n')
1376 
1377     jb.write_indent()
1378     jb.sb.write_string('"name": ')
1379     jb.write_string(expr.name)
1380     jb.sb.write_string(',\n')
1381 
1382     jb.write_indent()
1383     jb.sb.write_string('"pos": ')
1384     jb.write_pos(expr.pos)
1385     jb.sb.write_string('\n')
1386 
1387     jb.indent--
1388     jb.write_indent()
1389     jb.sb.write_string('}')
1390 }
1391 
1392 fn (mut jb JsonBuilder) write_idents(idents []ast.Ident) {
1393     jb.sb.write_string('[\n')
1394     jb.indent++
1395     for i, ident in idents {
1396         jb.write_indent()
1397         jb.write_ident(ident)
1398         if i < idents.len - 1 {
1399             jb.sb.write_string(',')
1400         }
1401         jb.sb.write_string('\n')
1402     }
1403     jb.indent--
1404     jb.write_indent()
1405     jb.sb.write_string(']')
1406 }
1407 
1408 fn (mut jb JsonBuilder) write_if_expr(expr ast.IfExpr) {
1409     jb.sb.write_string('{\n')
1410     jb.indent++
1411 
1412     jb.write_indent()
1413     jb.sb.write_string('"type": "IfExpr",\n')
1414 
1415     jb.write_indent()
1416     jb.sb.write_string('"cond": ')
1417     jb.write_expr(expr.cond)
1418     jb.sb.write_string(',\n')
1419 
1420     jb.write_indent()
1421     jb.sb.write_string('"stmts": ')
1422     jb.write_stmts(expr.stmts)
1423     jb.sb.write_string(',\n')
1424 
1425     jb.write_indent()
1426     jb.sb.write_string('"else_expr": ')
1427     jb.write_expr(expr.else_expr)
1428     jb.sb.write_string('\n')
1429 
1430     jb.indent--
1431     jb.write_indent()
1432     jb.sb.write_string('}')
1433 }
1434 
1435 fn (mut jb JsonBuilder) write_if_guard_expr(expr ast.IfGuardExpr) {
1436     jb.sb.write_string('{\n')
1437     jb.indent++
1438 
1439     jb.write_indent()
1440     jb.sb.write_string('"type": "IfGuardExpr",\n')
1441 
1442     jb.write_indent()
1443     jb.sb.write_string('"stmt": ')
1444     jb.write_assign_stmt(expr.stmt)
1445     jb.sb.write_string('\n')
1446 
1447     jb.indent--
1448     jb.write_indent()
1449     jb.sb.write_string('}')
1450 }
1451 
1452 fn (mut jb JsonBuilder) write_index_expr(expr ast.IndexExpr) {
1453     jb.sb.write_string('{\n')
1454     jb.indent++
1455 
1456     jb.write_indent()
1457     jb.sb.write_string('"type": "IndexExpr",\n')
1458 
1459     jb.write_indent()
1460     jb.sb.write_string('"lhs": ')
1461     jb.write_expr(expr.lhs)
1462     jb.sb.write_string(',\n')
1463 
1464     jb.write_indent()
1465     jb.sb.write_string('"expr": ')
1466     jb.write_expr(expr.expr)
1467     jb.sb.write_string(',\n')
1468 
1469     jb.write_indent()
1470     jb.sb.write_string('"is_gated": ${expr.is_gated}\n')
1471 
1472     jb.indent--
1473     jb.write_indent()
1474     jb.sb.write_string('}')
1475 }
1476 
1477 fn (mut jb JsonBuilder) write_infix_expr(expr ast.InfixExpr) {
1478     jb.sb.write_string('{\n')
1479     jb.indent++
1480 
1481     jb.write_indent()
1482     jb.sb.write_string('"type": "InfixExpr",\n')
1483 
1484     jb.write_indent()
1485     jb.sb.write_string('"op": ')
1486     jb.write_string(expr.op.str())
1487     jb.sb.write_string(',\n')
1488 
1489     jb.write_indent()
1490     jb.sb.write_string('"lhs": ')
1491     jb.write_expr(expr.lhs)
1492     jb.sb.write_string(',\n')
1493 
1494     jb.write_indent()
1495     jb.sb.write_string('"rhs": ')
1496     jb.write_expr(expr.rhs)
1497     jb.sb.write_string(',\n')
1498 
1499     jb.write_indent()
1500     jb.sb.write_string('"pos": ')
1501     jb.write_pos(expr.pos)
1502     jb.sb.write_string('\n')
1503 
1504     jb.indent--
1505     jb.write_indent()
1506     jb.sb.write_string('}')
1507 }
1508 
1509 fn (mut jb JsonBuilder) write_init_expr(expr ast.InitExpr) {
1510     jb.sb.write_string('{\n')
1511     jb.indent++
1512 
1513     jb.write_indent()
1514     jb.sb.write_string('"type": "InitExpr",\n')
1515 
1516     jb.write_indent()
1517     jb.sb.write_string('"init_type": ')
1518     jb.write_expr(expr.typ)
1519     jb.sb.write_string(',\n')
1520 
1521     jb.write_indent()
1522     jb.sb.write_string('"fields": ')
1523     jb.write_field_inits(expr.fields)
1524     jb.sb.write_string('\n')
1525 
1526     jb.indent--
1527     jb.write_indent()
1528     jb.sb.write_string('}')
1529 }
1530 
1531 fn (mut jb JsonBuilder) write_keyword(expr ast.Keyword) {
1532     jb.sb.write_string('{\n')
1533     jb.indent++
1534 
1535     jb.write_indent()
1536     jb.sb.write_string('"type": "Keyword",\n')
1537 
1538     jb.write_indent()
1539     jb.sb.write_string('"tok": ')
1540     jb.write_string(expr.tok.str())
1541     jb.sb.write_string('\n')
1542 
1543     jb.indent--
1544     jb.write_indent()
1545     jb.sb.write_string('}')
1546 }
1547 
1548 fn (mut jb JsonBuilder) write_keyword_operator(expr ast.KeywordOperator) {
1549     jb.sb.write_string('{\n')
1550     jb.indent++
1551 
1552     jb.write_indent()
1553     jb.sb.write_string('"type": "KeywordOperator",\n')
1554 
1555     jb.write_indent()
1556     jb.sb.write_string('"op": ')
1557     jb.write_string(expr.op.str())
1558     jb.sb.write_string(',\n')
1559 
1560     jb.write_indent()
1561     jb.sb.write_string('"exprs": ')
1562     jb.write_exprs(expr.exprs)
1563     jb.sb.write_string('\n')
1564 
1565     jb.indent--
1566     jb.write_indent()
1567     jb.sb.write_string('}')
1568 }
1569 
1570 fn (mut jb JsonBuilder) write_lambda_expr(expr ast.LambdaExpr) {
1571     jb.sb.write_string('{\n')
1572     jb.indent++
1573 
1574     jb.write_indent()
1575     jb.sb.write_string('"type": "LambdaExpr",\n')
1576 
1577     jb.write_indent()
1578     jb.sb.write_string('"args": ')
1579     jb.write_idents(expr.args)
1580     jb.sb.write_string(',\n')
1581 
1582     jb.write_indent()
1583     jb.sb.write_string('"expr": ')
1584     jb.write_expr(expr.expr)
1585     jb.sb.write_string('\n')
1586 
1587     jb.indent--
1588     jb.write_indent()
1589     jb.sb.write_string('}')
1590 }
1591 
1592 fn (mut jb JsonBuilder) write_lifetime_expr(expr ast.LifetimeExpr) {
1593     jb.sb.write_string('{\n')
1594     jb.indent++
1595 
1596     jb.write_indent()
1597     jb.sb.write_string('"type": "LifetimeExpr",\n')
1598 
1599     jb.write_indent()
1600     jb.sb.write_string('"name": ')
1601     jb.write_string(expr.name)
1602     jb.sb.write_string(',\n')
1603 
1604     jb.write_indent()
1605     jb.sb.write_string('"pos": ')
1606     jb.write_pos(expr.pos)
1607     jb.sb.write_string('\n')
1608 
1609     jb.indent--
1610     jb.write_indent()
1611     jb.sb.write_string('}')
1612 }
1613 
1614 fn (mut jb JsonBuilder) write_lock_expr(expr ast.LockExpr) {
1615     jb.sb.write_string('{\n')
1616     jb.indent++
1617 
1618     jb.write_indent()
1619     jb.sb.write_string('"type": "LockExpr",\n')
1620 
1621     jb.write_indent()
1622     jb.sb.write_string('"lock_exprs": ')
1623     jb.write_exprs(expr.lock_exprs)
1624     jb.sb.write_string(',\n')
1625 
1626     jb.write_indent()
1627     jb.sb.write_string('"rlock_exprs": ')
1628     jb.write_exprs(expr.rlock_exprs)
1629     jb.sb.write_string(',\n')
1630 
1631     jb.write_indent()
1632     jb.sb.write_string('"stmts": ')
1633     jb.write_stmts(expr.stmts)
1634     jb.sb.write_string('\n')
1635 
1636     jb.indent--
1637     jb.write_indent()
1638     jb.sb.write_string('}')
1639 }
1640 
1641 fn (mut jb JsonBuilder) write_map_init_expr(expr ast.MapInitExpr) {
1642     jb.sb.write_string('{\n')
1643     jb.indent++
1644 
1645     jb.write_indent()
1646     jb.sb.write_string('"type": "MapInitExpr",\n')
1647 
1648     jb.write_indent()
1649     jb.sb.write_string('"map_type": ')
1650     jb.write_expr(expr.typ)
1651     jb.sb.write_string(',\n')
1652 
1653     jb.write_indent()
1654     jb.sb.write_string('"keys": ')
1655     jb.write_exprs(expr.keys)
1656     jb.sb.write_string(',\n')
1657 
1658     jb.write_indent()
1659     jb.sb.write_string('"vals": ')
1660     jb.write_exprs(expr.vals)
1661     jb.sb.write_string(',\n')
1662 
1663     jb.write_indent()
1664     jb.sb.write_string('"pos": ')
1665     jb.write_pos(expr.pos)
1666     jb.sb.write_string('\n')
1667 
1668     jb.indent--
1669     jb.write_indent()
1670     jb.sb.write_string('}')
1671 }
1672 
1673 fn (mut jb JsonBuilder) write_match_expr(expr ast.MatchExpr) {
1674     jb.sb.write_string('{\n')
1675     jb.indent++
1676 
1677     jb.write_indent()
1678     jb.sb.write_string('"type": "MatchExpr",\n')
1679 
1680     jb.write_indent()
1681     jb.sb.write_string('"expr": ')
1682     jb.write_expr(expr.expr)
1683     jb.sb.write_string(',\n')
1684 
1685     jb.write_indent()
1686     jb.sb.write_string('"branches": ')
1687     jb.write_match_branches(expr.branches)
1688     jb.sb.write_string(',\n')
1689 
1690     jb.write_indent()
1691     jb.sb.write_string('"pos": ')
1692     jb.write_pos(expr.pos)
1693     jb.sb.write_string('\n')
1694 
1695     jb.indent--
1696     jb.write_indent()
1697     jb.sb.write_string('}')
1698 }
1699 
1700 fn (mut jb JsonBuilder) write_match_branches(branches []ast.MatchBranch) {
1701     jb.sb.write_string('[\n')
1702     jb.indent++
1703     for i, branch in branches {
1704         jb.write_indent()
1705         jb.write_match_branch(branch)
1706         if i < branches.len - 1 {
1707             jb.sb.write_string(',')
1708         }
1709         jb.sb.write_string('\n')
1710     }
1711     jb.indent--
1712     jb.write_indent()
1713     jb.sb.write_string(']')
1714 }
1715 
1716 fn (mut jb JsonBuilder) write_match_branch(branch ast.MatchBranch) {
1717     jb.sb.write_string('{\n')
1718     jb.indent++
1719 
1720     jb.write_indent()
1721     jb.sb.write_string('"cond": ')
1722     jb.write_exprs(branch.cond)
1723     jb.sb.write_string(',\n')
1724 
1725     jb.write_indent()
1726     jb.sb.write_string('"stmts": ')
1727     jb.write_stmts(branch.stmts)
1728     jb.sb.write_string(',\n')
1729 
1730     jb.write_indent()
1731     jb.sb.write_string('"pos": ')
1732     jb.write_pos(branch.pos)
1733     jb.sb.write_string('\n')
1734 
1735     jb.indent--
1736     jb.write_indent()
1737     jb.sb.write_string('}')
1738 }
1739 
1740 fn (mut jb JsonBuilder) write_modifier_expr(expr ast.ModifierExpr) {
1741     jb.sb.write_string('{\n')
1742     jb.indent++
1743 
1744     jb.write_indent()
1745     jb.sb.write_string('"type": "ModifierExpr",\n')
1746 
1747     jb.write_indent()
1748     jb.sb.write_string('"kind": ')
1749     jb.write_string(expr.kind.str())
1750     jb.sb.write_string(',\n')
1751 
1752     jb.write_indent()
1753     jb.sb.write_string('"expr": ')
1754     jb.write_expr(expr.expr)
1755     jb.sb.write_string('\n')
1756 
1757     jb.indent--
1758     jb.write_indent()
1759     jb.sb.write_string('}')
1760 }
1761 
1762 fn (mut jb JsonBuilder) write_or_expr(expr ast.OrExpr) {
1763     jb.sb.write_string('{\n')
1764     jb.indent++
1765 
1766     jb.write_indent()
1767     jb.sb.write_string('"type": "OrExpr",\n')
1768 
1769     jb.write_indent()
1770     jb.sb.write_string('"expr": ')
1771     jb.write_expr(expr.expr)
1772     jb.sb.write_string(',\n')
1773 
1774     jb.write_indent()
1775     jb.sb.write_string('"stmts": ')
1776     jb.write_stmts(expr.stmts)
1777     jb.sb.write_string(',\n')
1778 
1779     jb.write_indent()
1780     jb.sb.write_string('"pos": ')
1781     jb.write_pos(expr.pos)
1782     jb.sb.write_string('\n')
1783 
1784     jb.indent--
1785     jb.write_indent()
1786     jb.sb.write_string('}')
1787 }
1788 
1789 fn (mut jb JsonBuilder) write_paren_expr(expr ast.ParenExpr) {
1790     jb.sb.write_string('{\n')
1791     jb.indent++
1792 
1793     jb.write_indent()
1794     jb.sb.write_string('"type": "ParenExpr",\n')
1795 
1796     jb.write_indent()
1797     jb.sb.write_string('"expr": ')
1798     jb.write_expr(expr.expr)
1799     jb.sb.write_string('\n')
1800 
1801     jb.indent--
1802     jb.write_indent()
1803     jb.sb.write_string('}')
1804 }
1805 
1806 fn (mut jb JsonBuilder) write_postfix_expr(expr ast.PostfixExpr) {
1807     jb.sb.write_string('{\n')
1808     jb.indent++
1809 
1810     jb.write_indent()
1811     jb.sb.write_string('"type": "PostfixExpr",\n')
1812 
1813     jb.write_indent()
1814     jb.sb.write_string('"op": ')
1815     jb.write_string(expr.op.str())
1816     jb.sb.write_string(',\n')
1817 
1818     jb.write_indent()
1819     jb.sb.write_string('"expr": ')
1820     jb.write_expr(expr.expr)
1821     jb.sb.write_string('\n')
1822 
1823     jb.indent--
1824     jb.write_indent()
1825     jb.sb.write_string('}')
1826 }
1827 
1828 fn (mut jb JsonBuilder) write_prefix_expr(expr ast.PrefixExpr) {
1829     jb.sb.write_string('{\n')
1830     jb.indent++
1831 
1832     jb.write_indent()
1833     jb.sb.write_string('"type": "PrefixExpr",\n')
1834 
1835     jb.write_indent()
1836     jb.sb.write_string('"op": ')
1837     jb.write_string(expr.op.str())
1838     jb.sb.write_string(',\n')
1839 
1840     jb.write_indent()
1841     jb.sb.write_string('"expr": ')
1842     jb.write_expr(expr.expr)
1843     jb.sb.write_string(',\n')
1844 
1845     jb.write_indent()
1846     jb.sb.write_string('"pos": ')
1847     jb.write_pos(expr.pos)
1848     jb.sb.write_string('\n')
1849 
1850     jb.indent--
1851     jb.write_indent()
1852     jb.sb.write_string('}')
1853 }
1854 
1855 fn (mut jb JsonBuilder) write_range_expr(expr ast.RangeExpr) {
1856     jb.sb.write_string('{\n')
1857     jb.indent++
1858 
1859     jb.write_indent()
1860     jb.sb.write_string('"type": "RangeExpr",\n')
1861 
1862     jb.write_indent()
1863     jb.sb.write_string('"op": ')
1864     jb.write_string(expr.op.str())
1865     jb.sb.write_string(',\n')
1866 
1867     jb.write_indent()
1868     jb.sb.write_string('"start": ')
1869     jb.write_expr(expr.start)
1870     jb.sb.write_string(',\n')
1871 
1872     jb.write_indent()
1873     jb.sb.write_string('"end": ')
1874     jb.write_expr(expr.end)
1875     jb.sb.write_string('\n')
1876 
1877     jb.indent--
1878     jb.write_indent()
1879     jb.sb.write_string('}')
1880 }
1881 
1882 fn (mut jb JsonBuilder) write_select_expr(expr ast.SelectExpr) {
1883     jb.sb.write_string('{\n')
1884     jb.indent++
1885 
1886     jb.write_indent()
1887     jb.sb.write_string('"type": "SelectExpr",\n')
1888 
1889     jb.write_indent()
1890     jb.sb.write_string('"stmt": ')
1891     jb.write_stmt(expr.stmt)
1892     jb.sb.write_string(',\n')
1893 
1894     jb.write_indent()
1895     jb.sb.write_string('"stmts": ')
1896     jb.write_stmts(expr.stmts)
1897     jb.sb.write_string(',\n')
1898 
1899     jb.write_indent()
1900     jb.sb.write_string('"next": ')
1901     jb.write_expr(expr.next)
1902     jb.sb.write_string(',\n')
1903 
1904     jb.write_indent()
1905     jb.sb.write_string('"pos": ')
1906     jb.write_pos(expr.pos)
1907     jb.sb.write_string('\n')
1908 
1909     jb.indent--
1910     jb.write_indent()
1911     jb.sb.write_string('}')
1912 }
1913 
1914 fn (mut jb JsonBuilder) write_selector_expr(expr ast.SelectorExpr) {
1915     jb.sb.write_string('{\n')
1916     jb.indent++
1917 
1918     jb.write_indent()
1919     jb.sb.write_string('"type": "SelectorExpr",\n')
1920 
1921     jb.write_indent()
1922     jb.sb.write_string('"lhs": ')
1923     jb.write_expr(expr.lhs)
1924     jb.sb.write_string(',\n')
1925 
1926     jb.write_indent()
1927     jb.sb.write_string('"rhs": ')
1928     jb.write_ident(expr.rhs)
1929     jb.sb.write_string(',\n')
1930 
1931     jb.write_indent()
1932     jb.sb.write_string('"pos": ')
1933     jb.write_pos(expr.pos)
1934     jb.sb.write_string('\n')
1935 
1936     jb.indent--
1937     jb.write_indent()
1938     jb.sb.write_string('}')
1939 }
1940 
1941 fn (mut jb JsonBuilder) write_string_inter_literal(expr ast.StringInterLiteral) {
1942     jb.sb.write_string('{\n')
1943     jb.indent++
1944 
1945     jb.write_indent()
1946     jb.sb.write_string('"type": "StringInterLiteral",\n')
1947 
1948     jb.write_indent()
1949     jb.sb.write_string('"kind": ')
1950     jb.write_string(expr.kind.str())
1951     jb.sb.write_string(',\n')
1952 
1953     jb.write_indent()
1954     jb.sb.write_string('"values": [\n')
1955     jb.indent++
1956     for i, val in expr.values {
1957         jb.write_indent()
1958         jb.write_string(val)
1959         if i < expr.values.len - 1 {
1960             jb.sb.write_string(',')
1961         }
1962         jb.sb.write_string('\n')
1963     }
1964     jb.indent--
1965     jb.write_indent()
1966     jb.sb.write_string('],\n')
1967 
1968     jb.write_indent()
1969     jb.sb.write_string('"inters": ')
1970     jb.write_string_inters(expr.inters)
1971     jb.sb.write_string('\n')
1972 
1973     jb.indent--
1974     jb.write_indent()
1975     jb.sb.write_string('}')
1976 }
1977 
1978 fn (mut jb JsonBuilder) write_string_inters(inters []ast.StringInter) {
1979     jb.sb.write_string('[\n')
1980     jb.indent++
1981     for i, inter in inters {
1982         jb.write_indent()
1983         jb.write_string_inter(inter)
1984         if i < inters.len - 1 {
1985             jb.sb.write_string(',')
1986         }
1987         jb.sb.write_string('\n')
1988     }
1989     jb.indent--
1990     jb.write_indent()
1991     jb.sb.write_string(']')
1992 }
1993 
1994 fn (mut jb JsonBuilder) write_string_inter(inter ast.StringInter) {
1995     jb.sb.write_string('{\n')
1996     jb.indent++
1997 
1998     jb.write_indent()
1999     jb.sb.write_string('"format": ')
2000     jb.write_string(inter.format.str())
2001     jb.sb.write_string(',\n')
2002 
2003     jb.write_indent()
2004     jb.sb.write_string('"width": ${inter.width},\n')
2005 
2006     jb.write_indent()
2007     jb.sb.write_string('"precision": ${inter.precision},\n')
2008 
2009     jb.write_indent()
2010     jb.sb.write_string('"expr": ')
2011     jb.write_expr(inter.expr)
2012     jb.sb.write_string(',\n')
2013 
2014     jb.write_indent()
2015     jb.sb.write_string('"format_expr": ')
2016     jb.write_expr(inter.format_expr)
2017     jb.sb.write_string('\n')
2018 
2019     jb.indent--
2020     jb.write_indent()
2021     jb.sb.write_string('}')
2022 }
2023 
2024 fn (mut jb JsonBuilder) write_string_literal(expr ast.StringLiteral) {
2025     jb.sb.write_string('{\n')
2026     jb.indent++
2027 
2028     jb.write_indent()
2029     jb.sb.write_string('"type": "StringLiteral",\n')
2030 
2031     jb.write_indent()
2032     jb.sb.write_string('"kind": ')
2033     jb.write_string(expr.kind.str())
2034     jb.sb.write_string(',\n')
2035 
2036     jb.write_indent()
2037     jb.sb.write_string('"value": ')
2038     jb.write_string(expr.value)
2039     jb.sb.write_string('\n')
2040 
2041     jb.indent--
2042     jb.write_indent()
2043     jb.sb.write_string('}')
2044 }
2045 
2046 fn (mut jb JsonBuilder) write_tuple(expr ast.Tuple) {
2047     jb.sb.write_string('{\n')
2048     jb.indent++
2049 
2050     jb.write_indent()
2051     jb.sb.write_string('"type": "Tuple",\n')
2052 
2053     jb.write_indent()
2054     jb.sb.write_string('"exprs": ')
2055     jb.write_exprs(expr.exprs)
2056     jb.sb.write_string('\n')
2057 
2058     jb.indent--
2059     jb.write_indent()
2060     jb.sb.write_string('}')
2061 }
2062 
2063 fn (mut jb JsonBuilder) write_type_expr(expr ast.Type) {
2064     match expr {
2065         ast.ArrayType {
2066             jb.write_array_type(expr)
2067         }
2068         ast.ArrayFixedType {
2069             jb.write_array_fixed_type(expr)
2070         }
2071         ast.ChannelType {
2072             jb.write_channel_type(expr)
2073         }
2074         ast.FnType {
2075             jb.write_fn_type(expr)
2076         }
2077         ast.GenericType {
2078             jb.write_generic_type(expr)
2079         }
2080         ast.MapType {
2081             jb.write_map_type(expr)
2082         }
2083         ast.NilType {
2084             jb.sb.write_string('{"type": "NilType"}')
2085         }
2086         ast.NoneType {
2087             jb.sb.write_string('{"type": "NoneType"}')
2088         }
2089         ast.OptionType {
2090             jb.write_option_type(expr)
2091         }
2092         ast.PointerType {
2093             jb.write_pointer_type(expr)
2094         }
2095         ast.ResultType {
2096             jb.write_result_type(expr)
2097         }
2098         ast.ThreadType {
2099             jb.write_thread_type(expr)
2100         }
2101         ast.TupleType {
2102             jb.write_tuple_type(expr)
2103         }
2104         ast.AnonStructType {
2105             jb.write_anon_struct_type(expr)
2106         }
2107     }
2108 }
2109 
2110 fn (mut jb JsonBuilder) write_array_type(typ ast.ArrayType) {
2111     jb.sb.write_string('{\n')
2112     jb.indent++
2113 
2114     jb.write_indent()
2115     jb.sb.write_string('"type": "ArrayType",\n')
2116 
2117     jb.write_indent()
2118     jb.sb.write_string('"elem_type": ')
2119     jb.write_expr(typ.elem_type)
2120     jb.sb.write_string('\n')
2121 
2122     jb.indent--
2123     jb.write_indent()
2124     jb.sb.write_string('}')
2125 }
2126 
2127 fn (mut jb JsonBuilder) write_array_fixed_type(typ ast.ArrayFixedType) {
2128     jb.sb.write_string('{\n')
2129     jb.indent++
2130 
2131     jb.write_indent()
2132     jb.sb.write_string('"type": "ArrayFixedType",\n')
2133 
2134     jb.write_indent()
2135     jb.sb.write_string('"elem_type": ')
2136     jb.write_expr(typ.elem_type)
2137     jb.sb.write_string(',\n')
2138 
2139     jb.write_indent()
2140     jb.sb.write_string('"len": ')
2141     jb.write_expr(typ.len)
2142     jb.sb.write_string('\n')
2143 
2144     jb.indent--
2145     jb.write_indent()
2146     jb.sb.write_string('}')
2147 }
2148 
2149 fn (mut jb JsonBuilder) write_channel_type(typ ast.ChannelType) {
2150     jb.sb.write_string('{\n')
2151     jb.indent++
2152 
2153     jb.write_indent()
2154     jb.sb.write_string('"type": "ChannelType",\n')
2155 
2156     jb.write_indent()
2157     jb.sb.write_string('"elem_type": ')
2158     jb.write_expr(typ.elem_type)
2159     jb.sb.write_string(',\n')
2160 
2161     jb.write_indent()
2162     jb.sb.write_string('"cap": ')
2163     jb.write_expr(typ.cap)
2164     jb.sb.write_string('\n')
2165 
2166     jb.indent--
2167     jb.write_indent()
2168     jb.sb.write_string('}')
2169 }
2170 
2171 fn (mut jb JsonBuilder) write_fn_type(typ ast.FnType) {
2172     jb.sb.write_string('{\n')
2173     jb.indent++
2174 
2175     jb.write_indent()
2176     jb.sb.write_string('"type": "FnType",\n')
2177 
2178     jb.write_indent()
2179     jb.sb.write_string('"generic_params": ')
2180     jb.write_exprs(typ.generic_params)
2181     jb.sb.write_string(',\n')
2182 
2183     jb.write_indent()
2184     jb.sb.write_string('"params": ')
2185     jb.write_parameters(typ.params)
2186     jb.sb.write_string(',\n')
2187 
2188     jb.write_indent()
2189     jb.sb.write_string('"return_type": ')
2190     jb.write_expr(typ.return_type)
2191     jb.sb.write_string('\n')
2192 
2193     jb.indent--
2194     jb.write_indent()
2195     jb.sb.write_string('}')
2196 }
2197 
2198 fn (mut jb JsonBuilder) write_generic_type(typ ast.GenericType) {
2199     jb.sb.write_string('{\n')
2200     jb.indent++
2201 
2202     jb.write_indent()
2203     jb.sb.write_string('"type": "GenericType",\n')
2204 
2205     jb.write_indent()
2206     jb.sb.write_string('"name": ')
2207     jb.write_expr(typ.name)
2208     jb.sb.write_string(',\n')
2209 
2210     jb.write_indent()
2211     jb.sb.write_string('"params": ')
2212     jb.write_exprs(typ.params)
2213     jb.sb.write_string('\n')
2214 
2215     jb.indent--
2216     jb.write_indent()
2217     jb.sb.write_string('}')
2218 }
2219 
2220 fn (mut jb JsonBuilder) write_map_type(typ ast.MapType) {
2221     jb.sb.write_string('{\n')
2222     jb.indent++
2223 
2224     jb.write_indent()
2225     jb.sb.write_string('"type": "MapType",\n')
2226 
2227     jb.write_indent()
2228     jb.sb.write_string('"key_type": ')
2229     jb.write_expr(typ.key_type)
2230     jb.sb.write_string(',\n')
2231 
2232     jb.write_indent()
2233     jb.sb.write_string('"value_type": ')
2234     jb.write_expr(typ.value_type)
2235     jb.sb.write_string('\n')
2236 
2237     jb.indent--
2238     jb.write_indent()
2239     jb.sb.write_string('}')
2240 }
2241 
2242 fn (mut jb JsonBuilder) write_option_type(typ ast.OptionType) {
2243     jb.sb.write_string('{\n')
2244     jb.indent++
2245 
2246     jb.write_indent()
2247     jb.sb.write_string('"type": "OptionType",\n')
2248 
2249     jb.write_indent()
2250     jb.sb.write_string('"base_type": ')
2251     jb.write_expr(typ.base_type)
2252     jb.sb.write_string('\n')
2253 
2254     jb.indent--
2255     jb.write_indent()
2256     jb.sb.write_string('}')
2257 }
2258 
2259 fn (mut jb JsonBuilder) write_pointer_type(typ ast.PointerType) {
2260     jb.sb.write_string('{\n')
2261     jb.indent++
2262 
2263     jb.write_indent()
2264     jb.sb.write_string('"type": "PointerType",\n')
2265 
2266     jb.write_indent()
2267     jb.sb.write_string('"base_type": ')
2268     jb.write_expr(typ.base_type)
2269     jb.sb.write_string(',\n')
2270 
2271     jb.write_indent()
2272     jb.sb.write_string('"lifetime": ')
2273     jb.write_string(typ.lifetime)
2274     jb.sb.write_string('\n')
2275 
2276     jb.indent--
2277     jb.write_indent()
2278     jb.sb.write_string('}')
2279 }
2280 
2281 fn (mut jb JsonBuilder) write_result_type(typ ast.ResultType) {
2282     jb.sb.write_string('{\n')
2283     jb.indent++
2284 
2285     jb.write_indent()
2286     jb.sb.write_string('"type": "ResultType",\n')
2287 
2288     jb.write_indent()
2289     jb.sb.write_string('"base_type": ')
2290     jb.write_expr(typ.base_type)
2291     jb.sb.write_string('\n')
2292 
2293     jb.indent--
2294     jb.write_indent()
2295     jb.sb.write_string('}')
2296 }
2297 
2298 fn (mut jb JsonBuilder) write_thread_type(typ ast.ThreadType) {
2299     jb.sb.write_string('{\n')
2300     jb.indent++
2301 
2302     jb.write_indent()
2303     jb.sb.write_string('"type": "ThreadType",\n')
2304 
2305     jb.write_indent()
2306     jb.sb.write_string('"elem_type": ')
2307     jb.write_expr(typ.elem_type)
2308     jb.sb.write_string('\n')
2309 
2310     jb.indent--
2311     jb.write_indent()
2312     jb.sb.write_string('}')
2313 }
2314 
2315 fn (mut jb JsonBuilder) write_tuple_type(typ ast.TupleType) {
2316     jb.sb.write_string('{\n')
2317     jb.indent++
2318 
2319     jb.write_indent()
2320     jb.sb.write_string('"type": "TupleType",\n')
2321 
2322     jb.write_indent()
2323     jb.sb.write_string('"types": ')
2324     jb.write_exprs(typ.types)
2325     jb.sb.write_string('\n')
2326 
2327     jb.indent--
2328     jb.write_indent()
2329     jb.sb.write_string('}')
2330 }
2331 
2332 fn (mut jb JsonBuilder) write_anon_struct_type(typ ast.AnonStructType) {
2333     jb.sb.write_string('{\n')
2334     jb.indent++
2335 
2336     jb.write_indent()
2337     jb.sb.write_string('"type": "AnonStructType",\n')
2338 
2339     jb.write_indent()
2340     jb.sb.write_string('"generic_params": ')
2341     jb.write_exprs(typ.generic_params)
2342     jb.sb.write_string(',\n')
2343 
2344     jb.write_indent()
2345     jb.sb.write_string('"embedded": ')
2346     jb.write_exprs(typ.embedded)
2347     jb.sb.write_string(',\n')
2348 
2349     jb.write_indent()
2350     jb.sb.write_string('"fields": ')
2351     jb.write_field_decls(typ.fields)
2352     jb.sb.write_string('\n')
2353 
2354     jb.indent--
2355     jb.write_indent()
2356     jb.sb.write_string('}')
2357 }
2358 
2359 fn (mut jb JsonBuilder) write_unsafe_expr(expr ast.UnsafeExpr) {
2360     jb.sb.write_string('{\n')
2361     jb.indent++
2362 
2363     jb.write_indent()
2364     jb.sb.write_string('"type": "UnsafeExpr",\n')
2365 
2366     jb.write_indent()
2367     jb.sb.write_string('"stmts": ')
2368     jb.write_stmts(expr.stmts)
2369     jb.sb.write_string('\n')
2370 
2371     jb.indent--
2372     jb.write_indent()
2373     jb.sb.write_string('}')
2374 }
2375 
2376 fn (mut jb JsonBuilder) write_parameters(params []ast.Parameter) {
2377     jb.sb.write_string('[\n')
2378     jb.indent++
2379     for i, param in params {
2380         jb.write_indent()
2381         jb.write_parameter(param)
2382         if i < params.len - 1 {
2383             jb.sb.write_string(',')
2384         }
2385         jb.sb.write_string('\n')
2386     }
2387     jb.indent--
2388     jb.write_indent()
2389     jb.sb.write_string(']')
2390 }
2391 
2392 fn (mut jb JsonBuilder) write_parameter(param ast.Parameter) {
2393     jb.sb.write_string('{\n')
2394     jb.indent++
2395 
2396     jb.write_indent()
2397     jb.sb.write_string('"name": ')
2398     jb.write_string(param.name)
2399     jb.sb.write_string(',\n')
2400 
2401     jb.write_indent()
2402     jb.sb.write_string('"param_type": ')
2403     jb.write_expr(param.typ)
2404     jb.sb.write_string(',\n')
2405 
2406     jb.write_indent()
2407     jb.sb.write_string('"is_mut": ${param.is_mut},\n')
2408 
2409     jb.write_indent()
2410     jb.sb.write_string('"pos": ')
2411     jb.write_pos(param.pos)
2412     jb.sb.write_string('\n')
2413 
2414     jb.indent--
2415     jb.write_indent()
2416     jb.sb.write_string('}')
2417 }
2418 
2419 fn (mut jb JsonBuilder) write_fn_decls(decls []ast.FnDecl) {
2420     jb.sb.write_string('[\n')
2421     jb.indent++
2422     for i, decl in decls {
2423         jb.write_indent()
2424         jb.write_fn_decl(decl)
2425         if i < decls.len - 1 {
2426             jb.sb.write_string(',')
2427         }
2428         jb.sb.write_string('\n')
2429     }
2430     jb.indent--
2431     jb.write_indent()
2432     jb.sb.write_string(']')
2433 }
2434 
2435 fn (mut jb JsonBuilder) write_pos(pos token.Pos) {
2436     jb.sb.write_string('${pos.offset}')
2437 }
2438