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test(textmate): Show used theme colour #2255

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test(textmate): Show used theme colour #2255

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36 changes: 32 additions & 4 deletions test/reason-textmate/bin/TextmateCli.re
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Original file line number Diff line number Diff line change
Expand Up @@ -4,20 +4,22 @@
// Tool for testing the textmate grammars
//
// Can be run via:
// `esy @test x TextmateCli --file=package.json --grammar=test/reason-textmate/json.json --line=25
// `esy @test x TextmateCli --file=package.json --grammar=extensions/json/JSON.tmLanguage.json --theme=extensions/onedark-pro/themes/OneDark-Pro.json --line=25

open Textmate;

module Cli = {
type t = {
sourceFile: string,
grammarFile: string,
themeFile: string,
lineNumber: int,
};

let parse = args => {
let sourceFile = ref(None);
let grammarFile = ref(None);
let themeFile = ref(None);
let lineNumber = ref(0);
let () =
Arg.parse_argv(
Expand All @@ -35,6 +37,11 @@ module Cli = {
"Grammar file to use",
),
("--line", Int(i => lineNumber := i), "Line number to show"),
(
"--theme",
String(s => themeFile := Some(s)),
"Theme file to use",
),
],
_ => (),
"",
Expand All @@ -52,20 +59,23 @@ module Cli = {
{
sourceFile: getRequiredParameter("file", sourceFile),
grammarFile: getRequiredParameter("grammar", grammarFile),
themeFile: getRequiredParameter("theme", themeFile),
lineNumber: lineNumber^,
};
};

let toString = ({sourceFile, grammarFile, lineNumber}) =>
let toString = ({sourceFile, grammarFile, themeFile, lineNumber}) =>
Printf.sprintf(
{|
Using arguments:
- sourceFile: %s
- grammarFile: %s
- themeFile: %s
- lineNumber: %d
|},
sourceFile,
grammarFile,
themeFile,
lineNumber,
);
};
Expand All @@ -80,10 +90,21 @@ let getOkOrFail = (~msg, res) => {
};
};

let getTokenWithColour = (theme, token) => {
let colour =
TokenTheme.match(Theme.getTokenColors(theme), Token.show(token));

Printf.sprintf(
{|%s, Colour: (%s)|},
Token.show(token),
colour.TokenTheme.ResolvedStyle.foreground,
);
};

let run = () => {
print_endline("** Welcome to TextmateCli **");

let Cli.{sourceFile, grammarFile, lineNumber} as args =
let Cli.{sourceFile, grammarFile, lineNumber, themeFile} as args =
Cli.parse(Sys.argv);
print_endline(args |> Cli.toString);

Expand All @@ -99,6 +120,13 @@ let run = () => {
let scopeName = Grammar.getScopeName(grammar);
print_endline("Grammar loaded - using scope: " ++ scopeName);

print_endline("Loading theme: " ++ themeFile);

let theme =
themeFile
|> Theme.from_file
|> getOkOrFail(~msg="Unable to load theme " ++ grammarFile);

print_endline("Trying to read file: " ++ sourceFile);
let lines =
sourceFile |> Oni_Core.Utility.File.readAllLines |> Array.of_list;
Expand Down Expand Up @@ -126,7 +154,7 @@ let run = () => {
print_endline(Printf.sprintf("Line %d: %s", lineNumber, latestLine^));
print_endline("** Tokens: **");

latestTokens^ |> List.map(Token.show) |> List.iter(print_endline);
latestTokens^ |> List.map(getTokenWithColour(theme)) |> List.iter(print_endline);

print_endline("Done!");
};
Expand Down