toml: add excerpt to value parse errors (#12429)

larpon · web-flow · commit 015cfdb49f22 · 2021-11-11T07:29:38.000+02:00
diff --git a/vlib/toml/parser/parser.v b/vlib/toml/parser/parser.v
@@ -874,7 +874,7 @@ pub fn (mut p Parser) value() ?ast.Value {
 		}
 		if value is ast.Null {
 			return error(@MOD + '.' + @STRUCT + '.' + @FN +
-				' value expected .boolean, .quoted, .lsbr, .lcbr or .number got "$p.tok.kind" "$p.tok.lit"')
+				' value expected .boolean, .quoted, .lsbr, .lcbr or .number got "$p.tok.kind" "$p.tok.lit" in this (excerpt): "...${p.excerpt()}..."')
 		}
 	}
 	util.printdbg(@MOD + '.' + @STRUCT + '.' + @FN, 'parsed "$p.tok.kind" as value $value.to_json()')

Original file line number	Diff line number	Diff line change
`@@ -874,7 +874,7 @@ pub fn (mut p Parser) value() ?ast.Value {`
`874`	`874`	`}`
`875`	`875`	`if value is ast.Null {`
`876`	`876`	`return error(@MOD + '.' + @STRUCT + '.' + @FN +`
`877`		`- ' value expected .boolean, .quoted, .lsbr, .lcbr or .number got "$p.tok.kind" "$p.tok.lit"')`
	`877`	`+ ' value expected .boolean, .quoted, .lsbr, .lcbr or .number got "$p.tok.kind" "$p.tok.lit" in this (excerpt): "...${p.excerpt()}..."')`
`878`	`878`	`}`
`879`	`879`	`}`
`880`	`880`	`util.printdbg(@MOD + '.' + @STRUCT + '.' + @FN, 'parsed "$p.tok.kind" as value $value.to_json()')`