First draft of the new libsass error reporting

Includes full stack trace, which me might want to
limit by some command line option given cli util.

Author: mgreter

spec/core_functions/color/adjust_color/error/args.hrx

@@ -28,7 +28,7 @@ Error: Only one positional argument is allowed. All other arguments must be pass
 1 | a {b: adjust-color(red, 1)}
   |                    ^^^
   '
-  input.scss 1:20  adjust-color
+  input.scss 1:20  adjust-color()
   ,
 1 | a {b: adjust-color(red, 1)}
   |       ^^^^^^^^^^^^^^^^^^^^

spec/core_functions/color/adjust_color/error/bounds.hrx

@@ -15,7 +15,7 @@ Error: $red: Expected -256 to be within -255 and 255.
 1 | a {b: adjust-color(red, $red: -256)}
   |                               ^^^^
   '
-  input.scss 1:31  adjust-color
+  input.scss 1:31  adjust-color()
   ,
 1 | a {b: adjust-color(red, $red: -256)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -41,7 +41,7 @@ Error: $red: Expected 256 to be within -255 and 255.
 1 | a {b: adjust-color(red, $red: 256)}
   |                               ^^^
   '
-  input.scss 1:31  adjust-color
+  input.scss 1:31  adjust-color()
   ,
 1 | a {b: adjust-color(red, $red: 256)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -67,7 +67,7 @@ Error: $green: Expected -256 to be within -255 and 255.
 1 | a {b: adjust-color(green, $green: -256)}
   |                                   ^^^^
   '
-  input.scss 1:35  adjust-color
+  input.scss 1:35  adjust-color()
   ,
 1 | a {b: adjust-color(green, $green: -256)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -93,7 +93,7 @@ Error: $green: Expected 256 to be within -255 and 255.
 1 | a {b: adjust-color(green, $green: 256)}
   |                                   ^^^
   '
-  input.scss 1:35  adjust-color
+  input.scss 1:35  adjust-color()
   ,
 1 | a {b: adjust-color(green, $green: 256)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -119,7 +119,7 @@ Error: $blue: Expected -256 to be within -255 and 255.
 1 | a {b: adjust-color(blue, $blue: -256)}
   |                                 ^^^^
   '
-  input.scss 1:33  adjust-color
+  input.scss 1:33  adjust-color()
   ,
 1 | a {b: adjust-color(blue, $blue: -256)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -145,7 +145,7 @@ Error: $blue: Expected 256 to be within -255 and 255.
 1 | a {b: adjust-color(blue, $blue: 256)}
   |                                 ^^^
   '
-  input.scss 1:33  adjust-color
+  input.scss 1:33  adjust-color()
   ,
 1 | a {b: adjust-color(blue, $blue: 256)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -171,7 +171,7 @@ Error: $saturation: Expected -100.001 to be within -100 and 100.
 1 | a {b: adjust-color(red, $saturation: -100.001)}
   |                                      ^^^^^^^^
   '
-  input.scss 1:38  adjust-color
+  input.scss 1:38  adjust-color()
   ,
 1 | a {b: adjust-color(red, $saturation: -100.001)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -197,7 +197,7 @@ Error: $saturation: Expected 100.001 to be within -100 and 100.
 1 | a {b: adjust-color(red, $saturation: 100.001)}
   |                                      ^^^^^^^
   '
-  input.scss 1:38  adjust-color
+  input.scss 1:38  adjust-color()
   ,
 1 | a {b: adjust-color(red, $saturation: 100.001)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -223,7 +223,7 @@ Error: $lightness: Expected -100.001 to be within -100 and 100.
 1 | a {b: adjust-color(red, $lightness: -100.001)}
   |                                     ^^^^^^^^
   '
-  input.scss 1:37  adjust-color
+  input.scss 1:37  adjust-color()
   ,
 1 | a {b: adjust-color(red, $lightness: -100.001)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -249,7 +249,7 @@ Error: $lightness: Expected 100.001 to be within -100 and 100.
 1 | a {b: adjust-color(red, $lightness: 100.001)}
   |                                     ^^^^^^^
   '
-  input.scss 1:37  adjust-color
+  input.scss 1:37  adjust-color()
   ,
 1 | a {b: adjust-color(red, $lightness: 100.001)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -275,7 +275,7 @@ Error: $alpha: Expected -1.001 to be within -1 and 1.
 1 | a {b: adjust-color(red, $alpha: -1.001)}
   |                                 ^^^^^^
   '
-  input.scss 1:33  adjust-color
+  input.scss 1:33  adjust-color()
   ,
 1 | a {b: adjust-color(red, $alpha: -1.001)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -301,7 +301,7 @@ Error: $alpha: Expected 1.001 to be within -1 and 1.
 1 | a {b: adjust-color(red, $alpha: 1.001)}
   |                                 ^^^^^
   '
-  input.scss 1:33  adjust-color
+  input.scss 1:33  adjust-color()
   ,
 1 | a {b: adjust-color(red, $alpha: 1.001)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

spec/core_functions/color/adjust_color/error/type.hrx

@@ -15,7 +15,7 @@ Error: $color: 1 is not a color.
 1 | a {b: adjust-color(1)}
   |                    ^
   '
-  input.scss 1:20  adjust-color
+  input.scss 1:20  adjust-color()
   ,
 1 | a {b: adjust-color(1)}
   |       ^^^^^^^^^^^^^^^
@@ -41,7 +41,7 @@ Error: $red: c is not a number.
 1 | a {b: adjust-color(red, $red: c)}
   |                               ^
   '
-  input.scss 1:31  adjust-color
+  input.scss 1:31  adjust-color()
   ,
 1 | a {b: adjust-color(red, $red: c)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -67,7 +67,7 @@ Error: $green: c is not a number.
 1 | a {b: adjust-color(red, $green: c)}
   |                                 ^
   '
-  input.scss 1:33  adjust-color
+  input.scss 1:33  adjust-color()
   ,
 1 | a {b: adjust-color(red, $green: c)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -93,7 +93,7 @@ Error: $blue: c is not a number.
 1 | a {b: adjust-color(red, $blue: c)}
   |                                ^
   '
-  input.scss 1:32  adjust-color
+  input.scss 1:32  adjust-color()
   ,
 1 | a {b: adjust-color(red, $blue: c)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -119,7 +119,7 @@ Error: $hue: c is not a number.
 1 | a {b: adjust-color(red, $hue: c)}
   |                               ^
   '
-  input.scss 1:31  adjust-color
+  input.scss 1:31  adjust-color()
   ,
 1 | a {b: adjust-color(red, $hue: c)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -145,7 +145,7 @@ Error: $saturation: c is not a number.
 1 | a {b: adjust-color(red, $saturation: c)}
   |                                      ^
   '
-  input.scss 1:38  adjust-color
+  input.scss 1:38  adjust-color()
   ,
 1 | a {b: adjust-color(red, $saturation: c)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -171,7 +171,7 @@ Error: $lightness: c is not a number.
 1 | a {b: adjust-color(red, $lightness: c)}
   |                                     ^
   '
-  input.scss 1:37  adjust-color
+  input.scss 1:37  adjust-color()
   ,
 1 | a {b: adjust-color(red, $lightness: c)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -197,7 +197,7 @@ Error: $alpha: c is not a number.
 1 | a {b: adjust-color(red, $alpha: c)}
   |                                 ^
   '
-  input.scss 1:33  adjust-color
+  input.scss 1:33  adjust-color()
   ,
 1 | a {b: adjust-color(red, $alpha: c)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

spec/core_functions/color/adjust_hue.hrx

@@ -121,7 +121,7 @@ Error: $color: 1 is not a color.
 1 | a {b: adjust-hue(1, 2)}
   |                  ^
   '
-  input.scss 1:18  adjust-hue
+  input.scss 1:18  adjust-hue()
   ,
 1 | a {b: adjust-hue(1, 2)}
   |       ^^^^^^^^^^^^^^^^
@@ -147,7 +147,7 @@ Error: $degrees: blue is not a number.
 1 | a {b: adjust-hue(red, blue)}
   |                       ^^^^
   '
-  input.scss 1:23  adjust-hue
+  input.scss 1:23  adjust-hue()
   ,
 1 | a {b: adjust-hue(red, blue)}
   |       ^^^^^^^^^^^^^^^^^^^^^

spec/core_functions/color/alpha.hrx

@@ -129,6 +129,19 @@ Error: $color: 1 is not a color.
   '
   input.scss 1:7  root stylesheet
 
+<===> error/type/error-libsass
+Error: $color: 1 is not a color.
+  ,
+1 | a {b: alpha(1)}
+  |             ^
+  '
+  input.scss 1:13  alpha()
+  ,
+1 | a {b: alpha(1)}
+  |       ^^^^^^^^
+  '
+  input.scss 1:7   root stylesheet
+
 <===>
 ================================================================================
 <===> error/quoted_string/options.yml
@@ -158,6 +171,19 @@ Error: $color: cd is not a color.
   '
   input.scss 1:7  root stylesheet
 
+<===> error/unquoted_string/no_equals/error-libsass
+Error: $color: cd is not a color.
+  ,
+1 | a {b: alpha(cd)}
+  |             ^^
+  '
+  input.scss 1:13  alpha()
+  ,
+1 | a {b: alpha(cd)}
+  |       ^^^^^^^^^
+  '
+  input.scss 1:7   root stylesheet
+
 <===> error/unquoted_string/non_identifier_before_equals/input.scss
 a {b: alpha(unquote("1=c"))}
 
@@ -168,3 +194,16 @@ Error: $color: 1=c is not a color.
   |       ^^^^^^^^^^^^^^^^^^^^^
   '
   input.scss 1:7  root stylesheet
+
+<===> error/unquoted_string/non_identifier_before_equals/error-libsass
+Error: $color: 1=c is not a color.
+  ,
+1 | a {b: alpha(unquote("1=c"))}
+  |                     ^^^^^
+  '
+  input.scss 1:21  alpha()
+  ,
+1 | a {b: alpha(unquote("1=c"))}
+  |       ^^^^^^^^^^^^^^^^^^^^^
+  '
+  input.scss 1:7   root stylesheet

spec/core_functions/color/blue.hrx

@@ -81,7 +81,7 @@ Error: $color: 1 is not a color.
 1 | a {b: blue(1)}
   |            ^
   '
-  input.scss 1:12  blue
+  input.scss 1:12  blue()
   ,
 1 | a {b: blue(1)}
   |       ^^^^^^^

spec/core_functions/color/change_color/error/args.hrx

@@ -28,7 +28,7 @@ Error: Only one positional argument is allowed. All other arguments must be pass
 1 | a {b: change-color(red, 1)}
   |                    ^^^
   '
-  input.scss 1:20  change-color
+  input.scss 1:20  change-color()
   ,
 1 | a {b: change-color(red, 1)}
   |       ^^^^^^^^^^^^^^^^^^^^

spec/core_functions/color/change_color/error/bounds.hrx

@@ -15,7 +15,7 @@ Error: $red: Expected -1 to be within 0 and 255.
 1 | a {b: change-color(red, $red: -1)}
   |                               ^^
   '
-  input.scss 1:31  change-color
+  input.scss 1:31  change-color()
   ,
 1 | a {b: change-color(red, $red: -1)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -41,7 +41,7 @@ Error: $red: Expected 256 to be within 0 and 255.
 1 | a {b: change-color(red, $red: 256)}
   |                               ^^^
   '
-  input.scss 1:31  change-color
+  input.scss 1:31  change-color()
   ,
 1 | a {b: change-color(red, $red: 256)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -67,7 +67,7 @@ Error: $green: Expected -1 to be within 0 and 255.
 1 | a {b: change-color(green, $green: -1)}
   |                                   ^^
   '
-  input.scss 1:35  change-color
+  input.scss 1:35  change-color()
   ,
 1 | a {b: change-color(green, $green: -1)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -93,7 +93,7 @@ Error: $green: Expected 256 to be within 0 and 255.
 1 | a {b: change-color(green, $green: 256)}
   |                                   ^^^
   '
-  input.scss 1:35  change-color
+  input.scss 1:35  change-color()
   ,
 1 | a {b: change-color(green, $green: 256)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -119,7 +119,7 @@ Error: $blue: Expected -1 to be within 0 and 255.
 1 | a {b: change-color(blue, $blue: -1)}
   |                                 ^^
   '
-  input.scss 1:33  change-color
+  input.scss 1:33  change-color()
   ,
 1 | a {b: change-color(blue, $blue: -1)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -145,7 +145,7 @@ Error: $blue: Expected 256 to be within 0 and 255.
 1 | a {b: change-color(blue, $blue: 256)}
   |                                 ^^^
   '
-  input.scss 1:33  change-color
+  input.scss 1:33  change-color()
   ,
 1 | a {b: change-color(blue, $blue: 256)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -171,7 +171,7 @@ Error: $saturation: Expected -0.001 to be within 0 and 100.
 1 | a {b: change-color(red, $saturation: -0.001)}
   |                                      ^^^^^^
   '
-  input.scss 1:38  change-color
+  input.scss 1:38  change-color()
   ,
 1 | a {b: change-color(red, $saturation: -0.001)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -197,7 +197,7 @@ Error: $saturation: Expected 100.001 to be within 0 and 100.
 1 | a {b: change-color(red, $saturation: 100.001)}
   |                                      ^^^^^^^
   '
-  input.scss 1:38  change-color
+  input.scss 1:38  change-color()
   ,
 1 | a {b: change-color(red, $saturation: 100.001)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -223,7 +223,7 @@ Error: $lightness: Expected -0.001 to be within 0 and 100.
 1 | a {b: change-color(red, $lightness: -0.001)}
   |                                     ^^^^^^
   '
-  input.scss 1:37  change-color
+  input.scss 1:37  change-color()
   ,
 1 | a {b: change-color(red, $lightness: -0.001)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -249,7 +249,7 @@ Error: $lightness: Expected 100.001 to be within 0 and 100.
 1 | a {b: change-color(red, $lightness: 100.001)}
   |                                     ^^^^^^^
   '
-  input.scss 1:37  change-color
+  input.scss 1:37  change-color()
   ,
 1 | a {b: change-color(red, $lightness: 100.001)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -275,7 +275,7 @@ Error: $alpha: Expected -0.001 to be within 0 and 1.
 1 | a {b: change-color(red, $alpha: -0.001)}
   |                                 ^^^^^^
   '
-  input.scss 1:33  change-color
+  input.scss 1:33  change-color()
   ,
 1 | a {b: change-color(red, $alpha: -0.001)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -301,7 +301,7 @@ Error: $alpha: Expected 1.001 to be within 0 and 1.
 1 | a {b: change-color(red, $alpha: 1.001)}
   |                                 ^^^^^
   '
-  input.scss 1:33  change-color
+  input.scss 1:33  change-color()
   ,
 1 | a {b: change-color(red, $alpha: 1.001)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^