Add a function for getting matches, and use it to simplify a lot of code

test/handler/test_asm_handler.vader

@@ -4,22 +4,14 @@ Execute(The asm GCC handler should parse lines from GCC 6.3.1 correctly):
   AssertEqual
   \ [
   \    {
-  \      'bufnr': 357,
   \      'lnum': 38,
-  \      'vcol': 0,
-  \      'col': 0,
   \      'text': "too many memory references for `mov'",
   \      'type': 'E',
-  \      'nr': -1,
   \    },
   \    {
-  \      'bufnr': 357,
   \      'lnum': 42,
-  \      'vcol': 0,
-  \      'col': 0,
   \      'text': "incorrect register `%ax' used with `l' suffix",
   \      'type': 'E',
-  \      'nr': -1,
   \    },
   \ ],
   \ ale_linters#asm#gcc#Handle(357, [

test/handler/test_coffeelint_handler.vader

@@ -4,7 +4,6 @@ Execute(The coffeelint handler should parse lines correctly):
   AssertEqual
   \ [
   \   {
-  \     'bufnr': 347,
   \     'lnum': 125,
   \     'text': "Line exceeds maximum allowed length Length is 122, max is 120.",
   \     'type': 'E',

test/handler/test_mypy_handler.vader

@@ -4,14 +4,12 @@ Execute(The mypy handler should parse lines correctly):
   AssertEqual
   \ [
   \   {
-  \     'bufnr': 347,
   \     'lnum': 4,
   \     'col': 0,
   \     'text': "No library stub file for module 'django.db'",
   \     'type': 'E',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 40,
   \     'col': 5,
   \     'text': "Some other problem",

test/handler/test_nix_handler.vader

@@ -4,14 +4,12 @@ Execute(The nix handler should parse nix-instantiate error messages correctly):
   AssertEqual
   \ [
   \   {
-  \     'bufnr': 47,
   \     'lnum': 23,
   \     'col': 14,
   \     'text': 'error: syntax error, unexpected IN',
   \     'type': 'E',
   \   },
   \   {
-  \     'bufnr': 47,
   \     'lnum': 3,
   \     'col': 12,
   \     'text': 'error: syntax error, unexpected ''='', expecting '';''',

test/handler/test_php_handler.vader

@@ -11,53 +11,39 @@ Execute(The php handler should parse lines correctly):
   AssertEqual
   \ [
   \   {
-  \     'bufnr': 347,
   \     'lnum': 1,
   \     'col': 5,
   \     'text': "syntax error, unexpected ';', expecting ']'",
-  \     'type': 'E',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 2,
   \     'col': 13,
   \     'text': "syntax error, unexpected '/', expecting function (T_FUNCTION) or const (T_CONST)",
-  \     'type': 'E',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 3,
   \     'col': 5,
   \     'text': "syntax error, unexpected ')'",
-  \     'type': 'E',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 4,
   \     'col': 8,
   \     'text': "syntax error, unexpected ''bar'' (T_CONSTANT_ENCAPSED_STRING), expecting ']'",
-  \     'type': 'E',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 5,
   \     'col': 0,
   \     'text': "Cannot redeclare count()",
-  \     'type': 'E',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 21,
   \     'col': 0,
   \     'text': "syntax error, unexpected end of file",
-  \     'type': 'E',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 47,
   \     'col': 0,
   \     'text': "Invalid numeric literal",
-  \     'type': 'E',
   \   },
   \ ],
   \ ale_linters#php#php#Handle(347, [

test/handler/test_rubocop_handler.vader

@@ -4,28 +4,24 @@ Execute(The rubocop handler should parse lines correctly):
   AssertEqual
   \ [
   \   {
-  \     'bufnr': 347,
   \     'lnum': 83,
   \     'col': 29,
   \     'text': 'Prefer single-quoted strings...',
   \     'type': 'W',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 12,
   \     'col': 2,
   \     'text': 'Some error',
   \     'type': 'E',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 10,
   \     'col': 5,
   \     'text': 'Regular warning',
   \     'type': 'W',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 11,
   \     'col': 1,
   \     'text': 'Another error',

test/handler/test_ruby_handler.vader

@@ -7,21 +7,18 @@ Execute(The ruby handler should parse lines correctly and add the column if it c
   \ [
   \   {
   \     'lnum': 6,
-  \     'bufnr': 255,
   \     'col': 13,
   \     'type': 'E',
   \     'text': 'syntax error, unexpected '';'''
   \   },
   \   {
   \     'lnum': 9,
-  \     'bufnr': 255,
   \     'col': 0,
   \     'type': 'W',
   \     'text': 'warning: statement not reached'
   \   },
   \   {
   \     'lnum': 12,
-  \     'bufnr': 255,
   \     'col': 0,
   \     'type': 'E',
   \     'text': 'syntax error, unexpected end-of-input, expecting keyword_end'

test/handler/test_shell_handler.vader

@@ -7,40 +7,28 @@ Execute(The shell handler should parse lines correctly):
   AssertEqual
   \ [
   \   {
-  \     'bufnr': 347,
   \     'lnum': 13,
   \     'text': 'syntax error near unexpected token d',
-  \     'type': 'E',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 7,
   \     'text': 'line 42: line 36:',
-  \     'type': 'E',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 11,
   \     'text': 'Syntax error: "(" unexpected',
-  \     'type': 'E',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 95,
   \     'text': 'parse error near `out=$(( $1 / 1024. )...',
-  \     'type': 'E',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 22,
   \     'text': ':11: :33: :44:',
-  \     'type': 'E',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 9,
   \     'text': '`done'' unexpected',
-  \     'type': 'E',
   \   },
   \ ],
   \ ale_linters#sh#shell#Handle(347, [

test/handler/test_slim_handler.vader

@@ -6,19 +6,16 @@ Execute(The slim handler should parse lines correctly):
   AssertEqual
   \ [
   \   {
-  \     'bufnr': 347,
   \     'lnum': 1,
   \     'text': 'RedundantDiv: `div` is redundant when class attribute shortcut is present',
   \     'type': 'W',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 2,
   \     'text': 'LineLength: Line is too long. [136/80]',
   \     'type': 'W',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 3,
   \     'text': 'Invalid syntax',
   \     'type': 'E',

test/handler/test_typecheck_handler.vader

@@ -4,18 +4,14 @@ Execute(The typecheck handler should parse lines correctly):
   AssertEqual
   \ [
   \   {
-  \     'bufnr': 347,
   \     'lnum': 16,
   \     'col': 7,
   \     'text': "Type 'A' is not assignable to type 'B'",
-  \     'type': 'E',
   \   },
   \   {
-  \     'bufnr': 347,
   \     'lnum': 7,
   \     'col': 41,
   \     'text': "Property 'a' does not exist on type 'A'",
-  \     'type': 'E',
   \   },
   \ ],
   \ ale_linters#typescript#typecheck#Handle(347, [