parser, builder: add :parse_text to the paths of .v files, printed by -print-v-files, for parse time generated snippets

Author: spytheman

vlib/v/ast/ast.v

@@ -995,6 +995,9 @@ pub mut:
 	global_labels    []string // from `asm { .globl labelname }`
 	template_paths   []string // all the .html/.md files that were processed with $tmpl
 	unique_prefix    string   // a hash of the `.path` field, used for making anon fn generation unique
+	//
+	is_parse_text    bool // true for files, produced by parse_text
+	is_template_text bool // true for files, produced by parse_comptime
 }
 
 @[unsafe]

vlib/v/builder/builder.v

@@ -241,12 +241,19 @@ pub fn (mut b Builder) parse_imports() {
 	b.resolve_deps()
 	if b.pref.print_v_files {
 		for p in b.parsed_files {
+			if p.is_parse_text {
+				println(p.path + ':parse_text')
+			}
 			println(p.path)
 		}
 		exit(0)
 	}
 	if b.pref.print_watched_files {
 		for p in b.parsed_files {
+			if p.is_parse_text {
+				// a generated snippet, `v watch` does not care about those, since they are duplicates for other files
+				continue
+			}
 			println(p.path)
 			for tp in p.template_paths {
 				println(tp)

vlib/v/parser/parser.v

@@ -157,8 +157,9 @@ pub fn parse_comptime(tmpl_path string, text string, mut table ast.Table, pref_
 		errors:    []errors.Error{}
 		warnings:  []errors.Warning{}
 	}
-	res := p.parse()
+	mut res := p.parse()
 	unsafe { p.free_scanner() }
+	res.is_template_text = true
 	return res
 }
 
@@ -178,8 +179,9 @@ pub fn parse_text(text string, path string, mut table ast.Table, comments_mode s
 		warnings: []errors.Warning{}
 	}
 	p.set_path(path)
-	res := p.parse()
+	mut res := p.parse()
 	unsafe { p.free_scanner() }
+	res.is_parse_text = true
 	return res
 }