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Add --rpc option for roc repl #9923

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Add --rpc option for roc repl #9923

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c71247b
Add --rpc option for roc repl
ageron Jul 2, 2026
d56b6a8
Merge remote-tracking branch 'upstream/main' into repl-rpc
ageron Jul 3, 2026
eeac142
Merge branch 'main' into repl-rpc
ageron Jul 7, 2026
54ebb8a
Merge branch 'main' into repl-rpc
ageron Jul 8, 2026
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7 changes: 6 additions & 1 deletion src/cli/cli_args.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -239,6 +239,7 @@ pub const ExperimentalLspArgs = struct {
pub const ReplArgs = struct {
opt: OptLevel = .dev,
no_color: bool = false,
rpc: bool = false,
};

/// Arguments for `roc glue`
Expand Down Expand Up @@ -807,6 +808,7 @@ fn parseTest(args: []const []const u8) CliArgs {
fn parseRepl(args: []const []const u8) CliArgs {
var opt: OptLevel = .dev;
var no_color: bool = false;
var rpc: bool = false;

for (args) |arg| {
if (isHelpFlag(arg)) {
Expand All @@ -818,11 +820,14 @@ fn parseRepl(args: []const []const u8) CliArgs {
\\Options:
\\ --opt=<opt> Execution mode: dev (default, fast compilation), interpreter, size (LLVM) or speed (LLVM)
\\ --no-color Do not use ANSI color codes in REPL diagnostics
\\ --rpc Start in JSON-RPC server mode
\\ -h, --help Print help
\\
};
} else if (mem.eql(u8, arg, "--no-color")) {
no_color = true;
} else if (mem.eql(u8, arg, "--rpc")) {
rpc = true;
} else if (mem.startsWith(u8, arg, "--opt")) {
if (getFlagValue(arg)) |value| {
if (OptLevel.from_str(value)) |level| {
Expand All @@ -837,7 +842,7 @@ fn parseRepl(args: []const []const u8) CliArgs {
return CliArgs{ .problem = ArgProblem{ .unexpected_argument = .{ .cmd = "repl", .arg = arg } } };
}
}
return CliArgs{ .repl = .{ .opt = opt, .no_color = no_color } };
return CliArgs{ .repl = .{ .opt = opt, .no_color = no_color, .rpc = rpc } };
}

fn parseGlue(args: []const []const u8) CliArgs {
Expand Down
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