diff options
Diffstat (limited to 'src/jq')
| -rw-r--r-- | src/jq/codegen.zig | 3 | ||||
| -rw-r--r-- | src/jq/execute.zig | 13 |
2 files changed, 16 insertions, 0 deletions
diff --git a/src/jq/codegen.zig b/src/jq/codegen.zig index e377a5c..21c5832 100644 --- a/src/jq/codegen.zig +++ b/src/jq/codegen.zig @@ -28,6 +28,7 @@ pub const Opcode = enum { gt, le, ge, + alt, @"const", const_true, const_false, @@ -58,6 +59,7 @@ pub const Instr = union(Opcode) { gt, le, ge, + alt, @"const": ConstIndex, const_true, const_false, @@ -108,6 +110,7 @@ const Codegen = struct { .gt => .gt, .le => .le, .ge => .ge, + .alt => .alt, else => return error.Unimplemented, }; try self.emit(op_instr); diff --git a/src/jq/execute.zig b/src/jq/execute.zig index f2bfe8c..0565004 100644 --- a/src/jq/execute.zig +++ b/src/jq/execute.zig @@ -328,6 +328,19 @@ pub const Runtime = struct { const result = try jv.ops.compare(lhs, rhs, .ge); try self.values.push(.{ .bool = result }); }, + .alt => { + std.debug.assert(self.values.ensureSize(3)); + + _ = self.values.pop(); + const lhs = self.values.pop(); + const rhs = self.values.pop(); + const is_falsy = switch (lhs) { + .null => true, + .bool => |b| !b, + else => false, + }; + try self.values.push(if (is_falsy) rhs else lhs); + }, .@"const" => |idx| { std.debug.assert(self.values.ensureSize(1)); |