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Use comptime for fully declarative LV2 and Custom commands #14

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luna merged 69 commits from declarative-commands into master 2020-06-02 21:37:47 +00:00
Conversation 0 Commits 69 Files changed 6 +7 -2
1 changed files with 7 additions and 2 deletions
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src/printer.zig
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@ -1,11 +1,16 @@
const std = @import("std");
const langs = @import("lang.zig"); const langs = @import("lang.zig");
fn printCommandWithParams(stream: var, command: var) !void { fn printCommandWithParams(stream: var, command: var) !void {
const Parameters = @TypeOf(command.parameters); const Parameters = @TypeOf(command.parameters);
inline for (@typeInfo(Parameters).Struct.fields) |field| { inline for (@typeInfo(Parameters).Struct.fields) |field| {
if (field.field_type == f32 or field.field_type == f64) {
try stream.print(" {d}", .{@field(command.parameters, field.name)});
} else {
try stream.print(" {}", .{@field(command.parameters, field.name)}); try stream.print(" {}", .{@field(command.parameters, field.name)});
} }
} }
}
fn printCommand(stream: var, cmd: *langs.Command, comptime tag: langs.Command.Tag) !void { fn printCommand(stream: var, cmd: *langs.Command, comptime tag: langs.Command.Tag) !void {
const CommandStruct = langs.Command.tagToType(tag); const CommandStruct = langs.Command.tagToType(tag);
@ -42,7 +47,7 @@ pub fn printList(list: langs.CommandList, stream: var) !void {
.noop, .quicksave => {}, .noop, .quicksave => {},
.rotate => { .rotate => {
const rotate = cmd.cast(langs.Command.Rotate).?; const rotate = cmd.cast(langs.Command.Rotate).?;
try stream.print(" {} {}", .{ rotate.deg, rotate.bgfill }); try stream.print(" {d} {}", .{ rotate.deg, rotate.bgfill });
}, },
.amp => try printCommand(stream, cmd, .amp), .amp => try printCommand(stream, cmd, .amp),