toml: reach 100% TOML v1.0.0 compliance with the official test suite (#26203)

Author: larpon

vlib/toml/checker/checker.v

@@ -471,9 +471,9 @@ pub fn (c &Checker) check_quoted(q ast.Quoted) ! {
 	lit := q.text
 	quote := q.quote.ascii_str()
 	triple_quote := quote + quote + quote
-	if q.is_multiline && lit.ends_with(triple_quote) {
+	if q.is_multiline && lit.ends_with(triple_quote) && !lit.ends_with('\\' + triple_quote) {
 		return error(@MOD + '.' + @STRUCT + '.' + @FN +
-			' string values like "${lit}" has unbalanced quote literals `q.quote` in ...${c.excerpt(q.pos)}...')
+			' string values like "${lit}" has unbalanced quote literals `${quote}` in ...${c.excerpt(q.pos)}...')
 	}
 	c.check_quoted_escapes(q)!
 	c.check_utf8_validity(q)!
@@ -526,7 +526,7 @@ fn (c &Checker) check_quoted_escapes(q ast.Quoted) ! {
 						// Rest of line must only be space chars from this point on
 						for {
 							ch_ := s.next()
-							if ch_ == scanner.end_of_text || ch_ == `\n` {
+							if ch_ == `\n` {
 								break
 							}
 							if !(ch_ == ` ` || ch_ == `\t`) {

vlib/toml/parser/parser.v

@@ -1188,7 +1188,7 @@ pub fn (mut p Parser) array() ![]ast.Value {
 				}
 			}
 		}
-
+		p.ignore_while(all_formatting)
 		match p.tok.kind {
 			.boolean {
 				arr << ast.Value(p.boolean()!)
@@ -1241,9 +1241,13 @@ pub fn (mut p Parser) array() ![]ast.Value {
 			.rsbr {
 				break
 			}
+			.bare {
+				return error(@MOD + '.' + @STRUCT + '.' + @FN +
+					' unexpected value "${p.tok.lit}". Array values should be quoted (with " or \') in this (excerpt): "...${p.excerpt()}..."')
+			}
 			else {
-				error(@MOD + '.' + @STRUCT + '.' + @FN +
-					' could not parse  "${p.tok.kind}" "${p.tok.lit}" ("${p.tok.lit}") in this (excerpt): "...${p.excerpt()}..."')
+				return error(@MOD + '.' + @STRUCT + '.' + @FN +
+					' unexpected token "${p.tok.kind}" "${p.tok.lit}" in this (excerpt): "...${p.excerpt()}..."')
 			}
 		}
 	}

vlib/toml/tests/toml_lang_test.v

@@ -15,17 +15,13 @@ const hide_oks = os.getenv('VTEST_HIDE_OK') == '1'
 const no_jq = os.getenv('VNO_JQ') == '1'
 
 // Kept for easier lookup and handling of future updates to the tests.
-// NOTE: entries in this list are valid TOML that the parser should work with, but currently does not.
+// NOTE: entries in this list, except `do_not_remove`, are valid TOML that the parser should work with, but currently does not.
 const valid_exceptions = [
 	'do_not_remove',
-	'string/escapes.toml',
-	'string/multiline-quotes.toml',
 ]
-// NOTE: entries in this list are tests of invalid TOML that should have the parser fail, but currently does not.
+// NOTE: entries in this list, except `do_not_remove`, are tests of invalid TOML that should have the parser fail, but currently does not.
 const invalid_exceptions = [
 	'do_not_remove',
-	'string/multiline-escape-space-02.toml',
-	'string/missing-quotes-array.toml',
 ]
 const valid_value_exceptions = [
 	'do_not_remove',