67 lines
2.4 KiB
Zig
67 lines
2.4 KiB
Zig
const std = @import("std");
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const zls = @import("zls");
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const Ast = std.zig.Ast;
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const ComptimeInterpreter = zls.ComptimeInterpreter;
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const allocator: std.mem.Allocator = std.testing.allocator;
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test "ComptimeInterpreter - basic test" {
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var tree = try std.zig.parse(allocator,
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\\pub fn ReturnMyType(comptime my_arg: bool) type {
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\\ var abc = z: {break :z if (!my_arg) 123 else 0;};
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\\ if (abc == 123) return u69;
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\\ return u8;
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\\}
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);
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defer tree.deinit(allocator);
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var interpreter = ComptimeInterpreter{ .tree = tree, .allocator = allocator };
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defer interpreter.deinit();
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var bool_type = try interpreter.createType(std.math.maxInt(std.zig.Ast.Node.Index), .{ .@"bool" = .{} });
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var arg_false = ComptimeInterpreter.Value{
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.node_idx = std.math.maxInt(std.zig.Ast.Node.Index),
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.@"type" = bool_type,
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.value_data = .{ .@"bool" = false },
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};
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var arg_true = ComptimeInterpreter.Value{
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.node_idx = std.math.maxInt(std.zig.Ast.Node.Index),
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.@"type" = bool_type,
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.value_data = .{ .@"bool" = true },
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};
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const call_with_false = try interpreter.call(tree.rootDecls()[0], &.{
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arg_false,
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}, .{});
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defer call_with_false.scope.deinit();
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const call_with_true = try interpreter.call(tree.rootDecls()[0], &.{
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arg_true,
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}, .{});
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defer call_with_true.scope.deinit();
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try std.testing.expectFmt("u69", "{any}", .{interpreter.formatTypeInfo(interpreter.typeToTypeInfo(call_with_false.result.value.value_data.@"type"))});
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try std.testing.expectFmt("u8", "{any}", .{interpreter.formatTypeInfo(interpreter.typeToTypeInfo(call_with_true.result.value.value_data.@"type"))});
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}
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test "ComptimeInterpreter - struct" {
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var tree = try std.zig.parse(allocator,
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\\pub fn ReturnMyType() type {
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\\ return struct {
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\\ slay: bool,
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\\ var abc = 123;
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\\ };
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\\}
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);
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defer tree.deinit(allocator);
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var interpreter = ComptimeInterpreter{ .tree = tree, .allocator = allocator };
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defer interpreter.deinit();
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const z = try interpreter.call(tree.rootDecls()[0], &.{}, .{});
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defer z.scope.deinit();
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try std.testing.expectFmt("struct {slay: bool, const abc: comptime_int = TODO_PRINT_VALUES, }", "{any}", .{interpreter.formatTypeInfo(interpreter.typeToTypeInfo(z.result.value.value_data.@"type"))});
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}
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