Use multiline error messages for the (range) option

Author: yevhenii-nadtochii

model/src/main/kotlin/io/spine/validation/bound/RangeOption.kt

@@ -160,10 +160,13 @@ internal class RangeFieldView : View<FieldRef, RangeField, RangeField.Builder>()
 private fun RangeOptionMetadata.checkDelimiter(): String =
     DELIMITER.find(range)?.value
         ?: Compilation.error(file, field.span) {
-            "The `($RANGE)` option could not parse the range value `$range` specified for" +
-                    " `${field.qualifiedName}` field. The lower and upper bounds should be" +
-                    " separated either with `..` or ` .. ` delimiter. Examples of the correct " +
-                    " ranges: `(0..10]`, `[0 .. 10)`."
+            """
+                The `($RANGE)` option could not parse the passed range value.
+                The passed value: `$range`.
+                Target field: `${field.qualifiedName}`.
+                Reason: the lower and upper bounds should be separated either with `..` or ` .. ` delimiter.
+                Examples of the correct ranges: `(0..10]`, `[0 .. 10)`.
+            """.trimIndent()
         }
 
 private fun RangeOptionMetadata.checkBrackets(
@@ -174,30 +177,40 @@ private fun RangeOptionMetadata.checkBrackets(
         '(' -> true
         '[' -> false
         else -> Compilation.error(file, field.span) {
-            "The `($RANGE)` option could not parse the range value `$range` specified for" +
-                    " `${field.qualifiedName}` field. The lower bound should begin either" +
-                    " with `(` for exclusive or `[` for inclusive values. Examples of" +
-                    " the correct ranges: `(0..10]`, `(0..10)`, `[5..100]`."
+            """
+                The `($RANGE)` option could not parse the passed range value.
+                The passed value: `$range`.
+                Target field: `${field.qualifiedName}`.
+                Reason: the lower bound should begin either with `(` for exclusive or `[` for inclusive values.
+                Examples of the correct lower bounds: `(5`, `[3`.
+            """.trimIndent()
         }
     }
     val upperExclusive = when (upper.last()) {
         ')' -> true
         ']' -> false
         else -> Compilation.error(file, field.span) {
-            "The `($RANGE)` option could not parse the range value `$range` specified for" +
-                    " `${field.qualifiedName}` field. The upper bound should end either" +
-                    " with `)` for exclusive or `]` for inclusive values. Examples of" +
-                    " the correct ranges: `(0..10]`, `(0..10)`, `[5..100]`."
+            """
+                The `($RANGE)` option could not parse the passed range value.
+                The passed value: `$range`.
+                Target field: `${field.qualifiedName}`.
+                Reason: the upper bound should end either with `)` for exclusive or `]` for inclusive values.
+                Examples of the correct upper bounds: `5)`, `3]`.
+            """.trimIndent()
         }
     }
     return lowerExclusive to upperExclusive
 }
 
 private fun RangeOptionMetadata.checkRelation(lower: KNumericBound, upper: KNumericBound) {
     Compilation.check(lower <= upper, file, field.span) {
-        "The `($RANGE)` option could not parse the range value `$range` specified for" +
-                " `${field.qualifiedName}` field. The lower bound `${lower.value}` should be" +
-                " less than the upper `${upper.value}`."
+        """
+                The `($RANGE)` option could not parse the passed range value.
+                The passed value: `$range`.
+                Target field: `${field.qualifiedName}`.
+                Reason: the lower bound `${lower.value}` must be less than the upper `${upper.value}` bound.
+                Examples of the correct ranges: `(-5..5]`, `[0 .. 10)`.
+            """.trimIndent()
     }
 }