Refactor and clean up virtual machine
This commit is contained in:
parent
1f8f3fd9dc
commit
1f9df3fc1d
@ -1,17 +1,13 @@
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# Test comment.
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test = {
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.message = "don't you lecture me with your 30 dollar scripting language"
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}
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test.message = "game is loading"
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@log_info(test.message)
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return {
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options = {
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.title = "Afterglow",
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.width = 1280,
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.height = 800,
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.tick_rate = 60,
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}
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# @log_info(options.title)
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return options
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@ -255,6 +255,16 @@ pub fn allocate_one(allocator: Allocator, value: anytype) AllocationError!*@Type
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return allocation;
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}
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pub fn allocate_string(allocator: Allocator, source: []const Byte) AllocationError![:0]Byte {
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const allocation = try allocator.actions.reallocate(allocator.context, @returnAddress(), null, source.len + 1);
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copy(allocation[0 .. source.len], source);
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allocation[source.len] = 0;
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return @ptrCast(allocation);
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}
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pub fn bytes_of(value: anytype) []const Byte {
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const pointer_info = @typeInfo(@TypeOf(value)).Pointer;
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@ -330,6 +340,16 @@ pub fn equals(target: []const Byte, match: []const Byte) bool {
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return true;
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}
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pub fn find_first(haystack: []const Byte, needle: Byte) ?usize {
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for (0 .. haystack.len) |i| {
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if (haystack[i] == needle) {
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return i;
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}
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}
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return null;
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}
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var null_context = @as(usize, 0);
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pub const null_writer = Writer.bind(usize, &null_context, struct {
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@ -6,112 +6,15 @@ const list = @import("./list.zig");
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const math = @import("./math.zig");
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pub fn Slab(comptime Value: type) type {
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return struct {
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next_index: usize,
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entries: EntryList,
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const EntryList = list.Stack(union (enum) {
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value: Value,
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next_index: usize,
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});
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const Self = @This();
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pub fn lookup(self: Self, key: usize) ?Value {
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if (key == 0 or key > self.entries.values.len) {
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return null;
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}
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return switch (self.entries.values[key - 1]) {
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.value => |value| value,
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.next_index => null,
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};
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}
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pub fn free(self: *Self) void {
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self.entries.free();
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self.next_index = 0;
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}
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pub fn insert(self: *Self, value: Value) io.AllocationError!usize {
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if (self.next_index < self.entries.values.len) {
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const index = self.next_index;
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const entry = &self.entries.values[index];
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debug.assert(entry.* == .next_index);
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self.next_index = entry.next_index;
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entry.* = .{.value = value};
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return index + 1;
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} else {
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try self.entries.push_one(.{.value = value});
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self.next_index += 1;
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return self.next_index;
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}
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}
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pub fn insert_at(self: *Self, key: usize, value: Value) bool {
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if (self.entries.values.len < key) {
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return false;
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}
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const entry = &self.entries.values[key - 1];
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if (entry.* == .value) {
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return false;
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}
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self.next_index = entry.next_index;
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entry.* = .{.value = value};
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return true;
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}
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pub fn make(allocator: io.Allocator) Self {
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return .{
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.next_index = 0,
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.entries = EntryList.make(allocator),
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};
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}
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pub fn remove(self: *Self, key: usize) ?Value {
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if (key == 0 or key > self.entries.values.len) {
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return null;
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}
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const index = key - 1;
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const entry = &self.entries.values[index];
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return switch (entry.*) {
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.next_index => null,
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.value => get_value: {
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const value = entry.value;
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entry.* = .{.next_index = self.next_index};
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self.next_index = index;
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break: get_value value;
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},
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};
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}
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};
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}
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pub fn StringTable(comptime Value: type) type {
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return Table([]const io.Byte, Value, struct {
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const Self = @This();
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fn equals(_: Self, key_a: []const io.Byte, key_b: []const io.Byte) bool {
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fn equals(key_a: []const io.Byte, key_b: []const io.Byte) bool {
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return io.equals(key_a, key_b);
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}
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fn hash(_: Self, key: []const io.Byte) usize {
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fn hash(key: []const io.Byte) usize {
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return io.djb2_hash(@typeInfo(usize).Int, key);
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}
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});
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@ -119,9 +22,7 @@ pub fn StringTable(comptime Value: type) type {
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pub fn Table(comptime Key: type, comptime Value: type, comptime Traits: type) type {
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const load_max = 0.75;
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const hash_int = @typeInfo(usize).Int;
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const max_int = math.max_int(hash_int);
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const min_int = math.min_int(hash_int);
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const max_int = math.max_int(@typeInfo(usize).Int);
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return struct {
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allocator: io.Allocator,
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@ -135,7 +36,7 @@ pub fn Table(comptime Key: type, comptime Value: type, comptime Traits: type) ty
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fn write_into(self: Entry, table: *Self) bool {
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const hash_max = @min(max_int, table.entries.len);
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var hashed_key = math.wrap(table.traits.hash(self.key), min_int, hash_max);
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var hashed_key = table.hash_key(self.key) % hash_max;
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var iterations = @as(usize, 0);
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while (true) : (iterations += 1) {
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@ -152,7 +53,7 @@ pub fn Table(comptime Key: type, comptime Value: type, comptime Traits: type) ty
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return true;
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});
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if (table.traits.equals(table_entry.key, self.key)) {
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if (table.keys_equal(table_entry.key, self.key)) {
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return false;
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}
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@ -187,14 +88,18 @@ pub fn Table(comptime Key: type, comptime Value: type, comptime Traits: type) ty
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};
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}
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fn hash_key(self: Self, key: Key) usize {
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return if (@sizeOf(Traits) == 0) Traits.hash(key) else self.traits.hash(key);
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}
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pub fn remove(self: *Self, key: Key) ?Entry {
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const hash_max = @min(max_int, self.entries.len);
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var hashed_key = math.wrap(self.traits.hash(key), min_int, hash_max);
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var hashed_key = self.hash_key(key) % hash_max;
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while (true) {
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const entry = &(self.entries[hashed_key] orelse continue);
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if (self.traits.equals(entry.key, key)) {
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if (self.keys_equal(entry.key, key)) {
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const original_entry = entry.*;
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self.entries[hashed_key] = null;
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@ -213,7 +118,8 @@ pub fn Table(comptime Key: type, comptime Value: type, comptime Traits: type) ty
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{
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const hash_max = @min(max_int, self.entries.len);
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var hashed_key = math.wrap(self.traits.hash(key), min_int, hash_max);
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const has_context = @sizeOf(Traits) != 0;
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var hashed_key = (if (has_context) self.traits.hash(key) else Traits.hash(key)) % hash_max;
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while (true) {
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const entry = &(self.entries[hashed_key] orelse {
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@ -227,6 +133,7 @@ pub fn Table(comptime Key: type, comptime Value: type, comptime Traits: type) ty
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return null;
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});
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if (has_context) {
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if (self.traits.equals(entry.key, key)) {
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const original_entry = entry.*;
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@ -237,6 +144,18 @@ pub fn Table(comptime Key: type, comptime Value: type, comptime Traits: type) ty
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return original_entry;
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}
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} else {
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if (Traits.equals(entry.key, key)) {
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const original_entry = entry.*;
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entry.* = .{
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.key = key,
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.value = value,
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};
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return original_entry;
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}
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}
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hashed_key = (hashed_key +% 1) % hash_max;
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}
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@ -279,21 +198,36 @@ pub fn Table(comptime Key: type, comptime Value: type, comptime Traits: type) ty
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return entry.write_into(self);
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}
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fn keys_equal(self: Self, key_a: Key, key_b: Key) bool {
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if (@sizeOf(Traits) == 0) {
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return Traits.equals(key_a, key_b);
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} else {
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return self.traits.equals(key_a, key_b);
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}
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}
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pub fn lookup(self: Self, key: Key) ?Value {
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if (self.count == 0) {
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return null;
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}
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const hash_max = @min(max_int, self.entries.len);
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var hashed_key = math.wrap(self.traits.hash(key), min_int, hash_max);
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const has_context = @sizeOf(Traits) != 0;
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var hashed_key = (if (has_context) self.traits.hash(key) else Traits.hash(key)) % hash_max;
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var iterations = @as(usize, 0);
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while (iterations < self.count) : (iterations += 1) {
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const entry = &(self.entries[hashed_key] orelse return null);
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if (has_context) {
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if (self.traits.equals(entry.key, key)) {
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return entry.value;
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}
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} else {
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if (Traits.equals(entry.key, key)) {
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return entry.value;
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}
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}
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hashed_key = (hashed_key +% 1) % hash_max;
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}
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@ -60,9 +60,3 @@ pub fn min_int(comptime int: std.builtin.Type.Int) comptime_int {
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return -(1 << (bit_count - 1));
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}
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pub fn wrap(value: anytype, lower: anytype, upper: anytype) @TypeOf(value, lower, upper) {
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const range = upper - lower;
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return if (range == 0) lower else lower + @mod((@mod((value - lower), range) + range), range);
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}
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@ -13,20 +13,18 @@ pub const Manifest = struct {
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tick_rate: f32 = 60.0,
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pub fn load(self: *Manifest, env: *kym.RuntimeEnv, file_access: file.Access) kym.RuntimeError!void {
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const manifest_ref = try env.execute_file(file_access, file.Path.from(&.{"app.ona"})) orelse return;
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const manifest = try env.expect(try env.execute_file(file_access, file.Path.from(&.{"app.ona"})));
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defer env.discard(manifest_ref);
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defer env.discard(manifest);
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const width = @as(u16, get: {
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const ref = try kym.get_field(env, manifest_ref, "width");
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if (try env.get_field(manifest, "width")) |ref| {
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defer env.discard(ref);
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if (ref) |live_ref| {
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if (env.unbox(live_ref).expect_number()) |number| {
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if (number > 0 and number < coral.math.max_int(@typeInfo(@TypeOf(self.width)).Int)) {
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break: get @intFromFloat(number);
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}
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const fixed = try env.unbox_fixed(ref);
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if (fixed > 0 and fixed < coral.math.max_int(@typeInfo(@TypeOf(self.width)).Int)) {
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break: get @intCast(fixed);
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}
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}
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@ -34,15 +32,13 @@ pub const Manifest = struct {
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});
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const height = @as(u16, get: {
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const ref = try kym.get_field(env, manifest_ref, "height");
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if (try env.get_field(manifest, "height")) |ref| {
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defer env.discard(ref);
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if (ref) |live_ref| {
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if (env.unbox(live_ref).expect_number()) |number| {
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if (number > 0 and number < coral.math.max_int(@typeInfo(@TypeOf(self.height)).Int)) {
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break: get @intFromFloat(number);
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}
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const fixed = try env.unbox_fixed(ref);
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if (fixed > 0 and fixed < coral.math.max_int(@typeInfo(@TypeOf(self.height)).Int)) {
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break: get @intCast(fixed);
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}
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}
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@ -50,38 +46,25 @@ pub const Manifest = struct {
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});
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const tick_rate = @as(f32, get: {
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const ref = try kym.get_field(env, manifest_ref, "tick_rate");
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if (try env.get_field(manifest, "tick_rate")) |ref| {
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defer env.discard(ref);
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if (ref) |live_ref| {
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if (env.unbox(live_ref).expect_number()) |number| {
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break: get @floatCast(number);
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}
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break: get @floatCast(try env.unbox_float(ref));
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}
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break: get self.tick_rate;
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});
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{
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const ref = try kym.get_field(env, manifest_ref, "title");
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if (try env.get_field(manifest, "title")) |ref| {
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defer env.discard(ref);
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const title_string = unbox: {
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if (ref) |live_ref| {
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if (env.unbox(live_ref).expect_string()) |string| {
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break: unbox string;
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}
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}
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break: unbox "";
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};
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const title_string = try env.unbox_string(ref);
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const limited_title_len = @min(title_string.len, self.title.len);
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coral.io.copy(&self.title, title_string[0 .. limited_title_len]);
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coral.io.zero(self.title[limited_title_len .. self.title.len]);
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} else {
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coral.io.zero(&self.title);
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}
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self.tick_rate = tick_rate;
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1473
source/ona/kym.zig
1473
source/ona/kym.zig
File diff suppressed because it is too large
Load Diff
@ -19,15 +19,15 @@ pub const Expression = union (enum) {
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table_literal: TableLiteral,
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grouped_expression: *Expression,
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get_system: []const coral.io.Byte,
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get_local: []const coral.io.Byte,
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set_local: []const coral.io.Byte,
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local_get: []const coral.io.Byte,
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local_set: []const coral.io.Byte,
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get_field: struct {
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field_get: struct {
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object_expression: *Expression,
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identifier: []const coral.io.Byte,
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},
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set_field: struct {
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field_set: struct {
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object_expression: *Expression,
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identifier: []const coral.io.Byte,
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value_expression: *Expression,
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@ -44,7 +44,7 @@ pub const Expression = union (enum) {
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expression: *Expression,
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},
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call: struct {
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invoke: struct {
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object_expression: *Expression,
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argument_expressions: List,
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},
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@ -256,12 +256,12 @@ pub fn parse_expression(self: *Self) ParseError!Expression {
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}
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return switch (expression) {
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.get_local => |get_local| .{.set_local = get_local},
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.local_get => |local_get| .{.local_set = local_get},
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.get_field => |get_field| .{
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.set_field = .{
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.object_expression = get_field.object_expression,
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.identifier = get_field.identifier,
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.field_get => |field_get| .{
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.field_set = .{
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.object_expression = field_get.object_expression,
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.identifier = field_get.identifier,
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.value_expression = try coral.io.allocate_one(allocator, try self.parse_expression()),
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},
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},
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@ -329,7 +329,7 @@ fn parse_factor(self: *Self) ParseError!Expression {
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.identifier => |identifier| {
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self.tokenizer.skip_newlines();
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break: parse .{.get_local = identifier};
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break: parse .{.local_get = identifier};
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},
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.system_identifier => |system_identifier| {
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@ -445,7 +445,7 @@ fn parse_factor(self: *Self) ParseError!Expression {
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const unnecessary_temp = try coral.io.allocate_one(allocator, expression);
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expression = .{
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.get_field = .{
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.field_get = .{
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.identifier = switch (self.tokenizer.token) {
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.identifier => |field_identifier| field_identifier,
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else => return self.report("expected identifier after `.`"),
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@ -485,7 +485,7 @@ fn parse_factor(self: *Self) ParseError!Expression {
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const unnecessary_temp = try coral.io.allocate_one(allocator, expression);
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expression = .{
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.call = .{
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.invoke = .{
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.argument_expressions = argument_expressions,
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.object_expression = unnecessary_temp,
|
||||
},
|
||||
|
||||
@ -1,663 +0,0 @@
|
||||
const Ast = @import("./Ast.zig");
|
||||
|
||||
const coral = @import("coral");
|
||||
|
||||
const kym = @import("../kym.zig");
|
||||
|
||||
env: *kym.RuntimeEnv,
|
||||
constant_refs: RefList,
|
||||
opcodes: OpcodeList,
|
||||
|
||||
const AstCompiler = struct {
|
||||
chunk: *Self,
|
||||
local_identifiers_buffer: [255][]const coral.io.Byte = [_][]const coral.io.Byte{""} ** 255,
|
||||
local_identifiers_count: u8 = 0,
|
||||
|
||||
fn compile_expression(self: *AstCompiler, expression: Ast.Expression) kym.RuntimeError!void {
|
||||
const number_format = coral.utf8.DecimalFormat{
|
||||
.delimiter = "_",
|
||||
.positive_prefix = .none,
|
||||
};
|
||||
|
||||
switch (expression) {
|
||||
.nil_literal => try self.chunk.append_opcode(.push_nil),
|
||||
.true_literal => try self.chunk.append_opcode(.push_true),
|
||||
.false_literal => try self.chunk.append_opcode(.push_false),
|
||||
|
||||
.number_literal => |literal| {
|
||||
for (literal) |codepoint| {
|
||||
if (codepoint == '.') {
|
||||
const parsed = number_format.parse(literal, kym.Float);
|
||||
|
||||
coral.debug.assert(parsed != null);
|
||||
|
||||
try self.chunk.append_opcode(.{
|
||||
.push_const = try self.chunk.declare_constant_float(parsed.?),
|
||||
});
|
||||
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
const parsed = number_format.parse(literal, kym.Fixed);
|
||||
|
||||
coral.debug.assert(parsed != null);
|
||||
|
||||
try self.chunk.append_opcode(.{
|
||||
.push_const = try self.chunk.declare_constant_fixed(parsed.?),
|
||||
});
|
||||
},
|
||||
|
||||
.string_literal => |literal| {
|
||||
try self.chunk.append_opcode(.{.push_const = try self.chunk.declare_constant_string(literal)});
|
||||
},
|
||||
|
||||
.symbol_literal => |literal| {
|
||||
try self.chunk.append_opcode(.{.push_const = try self.chunk.declare_constant_symbol(literal)});
|
||||
},
|
||||
|
||||
.table_literal => |fields| {
|
||||
if (fields.values.len > coral.math.max_int(@typeInfo(u32).Int)) {
|
||||
return error.OutOfMemory;
|
||||
}
|
||||
|
||||
for (fields.values) |field| {
|
||||
try self.compile_expression(field.value_expression);
|
||||
try self.compile_expression(field.key_expression);
|
||||
}
|
||||
|
||||
try self.chunk.append_opcode(.{.push_table = @intCast(fields.values.len)});
|
||||
},
|
||||
|
||||
.binary_operation => |operation| {
|
||||
try self.compile_expression(operation.lhs_expression.*);
|
||||
try self.compile_expression(operation.rhs_expression.*);
|
||||
|
||||
try self.chunk.append_opcode(switch (operation.operator) {
|
||||
.addition => .add,
|
||||
.subtraction => .sub,
|
||||
.multiplication => .mul,
|
||||
.divsion => .div,
|
||||
.greater_equals_comparison => .eql,
|
||||
.greater_than_comparison => .cgt,
|
||||
.equals_comparison => .cge,
|
||||
.less_than_comparison => .clt,
|
||||
.less_equals_comparison => .cle,
|
||||
});
|
||||
},
|
||||
|
||||
.unary_operation => |operation| {
|
||||
try self.compile_expression(operation.expression.*);
|
||||
|
||||
try self.chunk.append_opcode(switch (operation.operator) {
|
||||
.boolean_negation => .not,
|
||||
.numeric_negation => .neg,
|
||||
});
|
||||
},
|
||||
|
||||
.call => |call| {
|
||||
if (call.argument_expressions.values.len > coral.math.max_int(@typeInfo(u8).Int)) {
|
||||
return self.chunk.env.raise(error.BadSyntax, "lambdas may contain a maximum of 255 arguments");
|
||||
}
|
||||
|
||||
for (call.argument_expressions.values) |argument_expression| {
|
||||
try self.compile_expression(argument_expression);
|
||||
}
|
||||
|
||||
try self.compile_expression(call.object_expression.*);
|
||||
try self.chunk.append_opcode(.{.call = @intCast(call.argument_expressions.values.len)});
|
||||
},
|
||||
|
||||
.grouped_expression => |grouped_expression| {
|
||||
try self.compile_expression(grouped_expression.*);
|
||||
},
|
||||
|
||||
.get_system => |get_system| {
|
||||
try self.chunk.append_opcode(.{.push_system = try self.chunk.declare_constant_string(get_system)});
|
||||
},
|
||||
|
||||
.get_local => |get_local| {
|
||||
try self.chunk.append_opcode(.{
|
||||
.push_local = self.resolve_local(get_local) orelse {
|
||||
return self.chunk.env.raise(error.OutOfMemory, "undefined local");
|
||||
},
|
||||
});
|
||||
},
|
||||
|
||||
.set_local => |set_local| {
|
||||
if (self.resolve_local(set_local)) |index| {
|
||||
try self.chunk.append_opcode(.{.set_local = index});
|
||||
} else {
|
||||
try self.declare_local(set_local);
|
||||
}
|
||||
},
|
||||
|
||||
.get_field => |get_field| {
|
||||
try self.compile_expression(get_field.object_expression.*);
|
||||
|
||||
try self.chunk.append_opcode(.{
|
||||
.push_const = try self.chunk.declare_constant_symbol(get_field.identifier),
|
||||
});
|
||||
|
||||
try self.chunk.append_opcode(.get_dynamic);
|
||||
},
|
||||
|
||||
.set_field => |set_field| {
|
||||
try self.compile_expression(set_field.object_expression.*);
|
||||
|
||||
try self.chunk.append_opcode(.{
|
||||
.push_const = try self.chunk.declare_constant_symbol(set_field.identifier),
|
||||
});
|
||||
|
||||
try self.compile_expression(set_field.value_expression.*);
|
||||
try self.chunk.append_opcode(.set_dynamic);
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
fn compile_statement(self: *AstCompiler, statement: Ast.Statement) kym.RuntimeError!void {
|
||||
switch (statement) {
|
||||
.@"return" => |@"return"| {
|
||||
if (@"return".expression) |expression| {
|
||||
try self.compile_expression(expression);
|
||||
} else {
|
||||
try self.chunk.append_opcode(.push_nil);
|
||||
}
|
||||
},
|
||||
|
||||
.expression => |expression| try self.compile_expression(expression),
|
||||
}
|
||||
}
|
||||
|
||||
fn declare_local(self: *AstCompiler, identifier: []const u8) kym.RuntimeError!void {
|
||||
if (self.local_identifiers_count == self.local_identifiers_buffer.len) {
|
||||
return self.chunk.env.raise(error.OutOfMemory, "lambdas may contain a maximum of 255 locals");
|
||||
}
|
||||
|
||||
self.local_identifiers_buffer[self.local_identifiers_count] = identifier;
|
||||
self.local_identifiers_count += 1;
|
||||
}
|
||||
|
||||
fn resolve_local(self: *AstCompiler, local_identifier: []const coral.io.Byte) ?u8 {
|
||||
if (self.local_identifiers_count == 0) {
|
||||
return null;
|
||||
}
|
||||
|
||||
var index = @as(u8, self.local_identifiers_count - 1);
|
||||
|
||||
while (true) : (index -= 1) {
|
||||
if (coral.io.equals(local_identifier, self.local_identifiers_buffer[index])) {
|
||||
return index;
|
||||
}
|
||||
|
||||
if (index == 0) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
const RefList = coral.list.Stack(*kym.RuntimeRef);
|
||||
|
||||
const LocalsList = coral.list.Stack([]const u8);
|
||||
|
||||
pub const Opcode = union (enum) {
|
||||
pop,
|
||||
push_nil,
|
||||
push_true,
|
||||
push_false,
|
||||
push_const: u16,
|
||||
push_local: u8,
|
||||
push_table: u32,
|
||||
push_system: u16,
|
||||
set_local: u8,
|
||||
get_dynamic,
|
||||
set_dynamic,
|
||||
call: u8,
|
||||
|
||||
not,
|
||||
neg,
|
||||
|
||||
add,
|
||||
sub,
|
||||
mul,
|
||||
div,
|
||||
|
||||
eql,
|
||||
cgt,
|
||||
clt,
|
||||
cge,
|
||||
cle,
|
||||
};
|
||||
|
||||
const OpcodeList = coral.list.Stack(Opcode);
|
||||
|
||||
const Self = @This();
|
||||
|
||||
pub fn append_opcode(self: *Self, opcode: Opcode) kym.RuntimeError!void {
|
||||
return self.opcodes.push_one(opcode);
|
||||
}
|
||||
|
||||
pub fn as_caller(self: *Self) kym.Caller {
|
||||
return kym.Caller.bind(Self, self, execute);
|
||||
}
|
||||
|
||||
pub fn compile_ast(self: *Self, ast: Ast) kym.RuntimeError!void {
|
||||
try self.constant_refs.grow(coral.math.max_int(@typeInfo(u16).Int));
|
||||
|
||||
var compiler = AstCompiler{.chunk = self};
|
||||
|
||||
for (ast.list_statements()) |statement| {
|
||||
try compiler.compile_statement(statement);
|
||||
}
|
||||
|
||||
try self.constant_refs.pack();
|
||||
try self.opcodes.pack();
|
||||
}
|
||||
|
||||
pub fn declare_constant_fixed(self: *Self, constant: kym.Fixed) kym.RuntimeError!u16 {
|
||||
const tail = self.constant_refs.values.len;
|
||||
|
||||
if (tail == coral.math.max_int(@typeInfo(u16).Int)) {
|
||||
return self.env.raise(error.BadSyntax, "functions may contain a maximum of 65,535 constants");
|
||||
}
|
||||
|
||||
const constant_ref = try self.env.new_fixed(constant);
|
||||
|
||||
errdefer self.env.discard(constant_ref);
|
||||
|
||||
try self.constant_refs.push_one(constant_ref);
|
||||
|
||||
return @intCast(tail);
|
||||
}
|
||||
|
||||
pub fn declare_constant_float(self: *Self, constant: kym.Float) kym.RuntimeError!u16 {
|
||||
const tail = self.constant_refs.values.len;
|
||||
|
||||
if (tail == coral.math.max_int(@typeInfo(u16).Int)) {
|
||||
return self.env.raise(error.BadSyntax, "functions may contain a maximum of 65,535 constants");
|
||||
}
|
||||
|
||||
const constant_ref = try self.env.new_float(constant);
|
||||
|
||||
errdefer self.env.discard(constant_ref);
|
||||
|
||||
try self.constant_refs.push_one(constant_ref);
|
||||
|
||||
return @intCast(tail);
|
||||
}
|
||||
|
||||
pub fn declare_constant_string(self: *Self, constant: []const coral.io.Byte) kym.RuntimeError!u16 {
|
||||
const tail = self.constant_refs.values.len;
|
||||
|
||||
if (tail == coral.math.max_int(@typeInfo(u16).Int)) {
|
||||
return self.env.raise(error.BadSyntax, "functions may contain a maximum of 65,535 constants");
|
||||
}
|
||||
|
||||
const constant_ref = try self.env.new_string(constant);
|
||||
|
||||
errdefer self.env.discard(constant_ref);
|
||||
|
||||
try self.constant_refs.push_one(constant_ref);
|
||||
|
||||
return @intCast(tail);
|
||||
}
|
||||
|
||||
pub fn declare_constant_symbol(self: *Self, constant: []const coral.io.Byte) kym.RuntimeError!u16 {
|
||||
const tail = self.constant_refs.values.len;
|
||||
|
||||
if (tail == coral.math.max_int(@typeInfo(u16).Int)) {
|
||||
return self.env.raise(error.BadSyntax, "functions may contain a maximum of 65,535 constants");
|
||||
}
|
||||
|
||||
const constant_ref = try self.env.new_symbol(constant);
|
||||
|
||||
errdefer self.env.discard(constant_ref);
|
||||
|
||||
try self.constant_refs.push_one(constant_ref);
|
||||
|
||||
return @intCast(tail);
|
||||
}
|
||||
|
||||
fn execute(self: *Self, env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeRef {
|
||||
for (self.opcodes.values) |opcode| {
|
||||
switch (opcode) {
|
||||
.pop => env.discard(try env.pop_local()),
|
||||
.push_nil => try env.push_ref(null),
|
||||
.push_true => try env.push_boolean(true),
|
||||
.push_false => try env.push_boolean(false),
|
||||
.push_const => |constant| try env.push_ref(self.constant_refs.values[constant]),
|
||||
|
||||
.push_table => |field_count| {
|
||||
const table_ref = try kym.new_table(env);
|
||||
|
||||
defer env.discard(table_ref);
|
||||
|
||||
{
|
||||
const dynamic = try kym.unbox_dynamic(env, table_ref);
|
||||
var popped = @as(usize, 0);
|
||||
|
||||
while (popped < field_count) : (popped += 1) {
|
||||
const index_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not a valid index");
|
||||
};
|
||||
|
||||
defer env.discard(index_ref);
|
||||
|
||||
const value_ref = try env.pop_local();
|
||||
|
||||
defer env.discard(value_ref);
|
||||
|
||||
try dynamic.typeinfo.set(.{
|
||||
.userdata = dynamic.userdata,
|
||||
.env = env,
|
||||
}, index_ref, value_ref);
|
||||
}
|
||||
}
|
||||
|
||||
try env.push_ref(table_ref);
|
||||
},
|
||||
|
||||
.push_system => |push_system| {
|
||||
const system_ref = self.env.get_syscallable(try kym.unbox_string(
|
||||
self.env,
|
||||
self.constant_refs.values[push_system],
|
||||
));
|
||||
|
||||
defer self.env.discard(system_ref);
|
||||
|
||||
try self.env.push_ref(system_ref);
|
||||
},
|
||||
|
||||
.push_local => |local| {
|
||||
const ref = try env.get_local(local);
|
||||
|
||||
defer env.discard(ref);
|
||||
|
||||
try env.push_ref(ref);
|
||||
},
|
||||
|
||||
.set_local => |local| {
|
||||
const ref = try env.pop_local();
|
||||
|
||||
defer env.discard(ref);
|
||||
|
||||
try env.set_local(local, ref);
|
||||
},
|
||||
|
||||
.get_dynamic => {
|
||||
const index_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not a valid index");
|
||||
};
|
||||
|
||||
defer env.discard(index_ref);
|
||||
|
||||
const indexable_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not a valid indexable");
|
||||
};
|
||||
|
||||
defer env.discard(indexable_ref);
|
||||
|
||||
const value_ref = try env.get_dynamic(try kym.unbox_dynamic(env, indexable_ref), index_ref);
|
||||
|
||||
defer env.discard(value_ref);
|
||||
|
||||
try env.push_ref(value_ref);
|
||||
},
|
||||
|
||||
.set_dynamic => {
|
||||
const value_ref = try env.pop_local();
|
||||
|
||||
defer env.discard(value_ref);
|
||||
|
||||
const index_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not a valid index");
|
||||
};
|
||||
|
||||
defer env.discard(index_ref);
|
||||
|
||||
const indexable_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not a valid indexable");
|
||||
};
|
||||
|
||||
defer env.discard(indexable_ref);
|
||||
|
||||
try env.set_dynamic(try kym.unbox_dynamic(env, indexable_ref), index_ref, value_ref);
|
||||
},
|
||||
|
||||
.call => |arg_count| {
|
||||
const result_ref = call: {
|
||||
const callable_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not callable");
|
||||
};
|
||||
|
||||
defer env.discard(callable_ref);
|
||||
|
||||
break: call try env.call(callable_ref, arg_count, "");
|
||||
};
|
||||
|
||||
defer env.discard(result_ref);
|
||||
|
||||
try env.push_ref(result_ref);
|
||||
},
|
||||
|
||||
.neg => {
|
||||
const ref = (try env.pop_local()) orelse {
|
||||
return env.raise(error.TypeMismatch, "null is not scalar negatable");
|
||||
};
|
||||
|
||||
defer env.discard(ref);
|
||||
|
||||
switch (env.unbox(ref)) {
|
||||
.fixed => |fixed| try env.push_fixed(-fixed),
|
||||
.float => |float| try env.push_float(-float),
|
||||
else => return env.raise(error.TypeMismatch, "object is not scalar negatable"),
|
||||
}
|
||||
},
|
||||
|
||||
.not => {
|
||||
const ref = (try env.pop_local()) orelse {
|
||||
return env.raise(error.TypeMismatch, "null is not boolean negatable");
|
||||
};
|
||||
|
||||
defer env.discard(ref);
|
||||
|
||||
try env.push_boolean(switch (env.unbox(ref)) {
|
||||
.boolean => |boolean| !boolean,
|
||||
else => return env.raise(error.TypeMismatch, "object is not boolean negatable"),
|
||||
});
|
||||
},
|
||||
|
||||
.add => {
|
||||
const rhs_ref = (try env.pop_local()) orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not addable");
|
||||
};
|
||||
|
||||
defer env.discard(rhs_ref);
|
||||
|
||||
const lhs_ref = (try env.pop_local()) orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not addable");
|
||||
};
|
||||
|
||||
defer env.discard(lhs_ref);
|
||||
|
||||
try switch (env.unbox(lhs_ref)) {
|
||||
.float => |lhs_float| switch (env.unbox(rhs_ref)) {
|
||||
.float => |rhs_float| env.push_float(lhs_float + rhs_float),
|
||||
else => env.raise(error.TypeMismatch, "right-hand object is not addable"),
|
||||
},
|
||||
|
||||
else => env.raise(error.TypeMismatch, "left-hand object is not addable"),
|
||||
};
|
||||
},
|
||||
|
||||
.sub => {
|
||||
const rhs_ref = (try env.pop_local()) orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not subtractable");
|
||||
};
|
||||
|
||||
defer env.discard(rhs_ref);
|
||||
|
||||
const lhs_ref = (try env.pop_local()) orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not subtractable");
|
||||
};
|
||||
|
||||
defer env.discard(lhs_ref);
|
||||
|
||||
try switch (env.unbox(lhs_ref)) {
|
||||
.float => |lhs_float| switch (env.unbox(rhs_ref)) {
|
||||
.float => |rhs_float| env.push_float(lhs_float - rhs_float),
|
||||
else => env.raise(error.TypeMismatch, "right-hand object is not subtractable"),
|
||||
},
|
||||
|
||||
else => env.raise(error.TypeMismatch, "left-hand object is not subtractable"),
|
||||
};
|
||||
},
|
||||
|
||||
.mul => {
|
||||
const rhs_ref = (try env.pop_local()) orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not multiplicable");
|
||||
};
|
||||
|
||||
defer env.discard(rhs_ref);
|
||||
|
||||
const lhs_ref = (try env.pop_local()) orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not multiplicable");
|
||||
};
|
||||
|
||||
defer env.discard(lhs_ref);
|
||||
|
||||
try switch (env.unbox(lhs_ref)) {
|
||||
.float => |lhs_float| switch (env.unbox(rhs_ref)) {
|
||||
.float => |rhs_float| env.push_float(lhs_float * rhs_float),
|
||||
else => env.raise(error.TypeMismatch, "right-hand object is not multipliable"),
|
||||
},
|
||||
|
||||
else => env.raise(error.TypeMismatch, "left-hand object is not multipliable"),
|
||||
};
|
||||
},
|
||||
|
||||
.div => {
|
||||
const rhs_ref = (try env.pop_local()) orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not divisible");
|
||||
};
|
||||
|
||||
defer env.discard(rhs_ref);
|
||||
|
||||
const lhs_ref = (try env.pop_local()) orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not divisible");
|
||||
};
|
||||
|
||||
defer env.discard(lhs_ref);
|
||||
|
||||
try switch (env.unbox(lhs_ref)) {
|
||||
.float => |lhs_float| switch (env.unbox(rhs_ref)) {
|
||||
.float => |rhs_float| env.push_float(lhs_float / rhs_float),
|
||||
else => env.raise(error.TypeMismatch, "right-hand object is not divisible"),
|
||||
},
|
||||
|
||||
else => env.raise(error.TypeMismatch, "left-hand object is not divisible"),
|
||||
};
|
||||
},
|
||||
|
||||
.eql => {
|
||||
const rhs_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not equatable");
|
||||
};
|
||||
|
||||
defer env.discard(rhs_ref);
|
||||
|
||||
const lhs_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not equatable");
|
||||
};
|
||||
|
||||
defer env.discard(lhs_ref);
|
||||
|
||||
try env.push_boolean(kym.test_equality(env, lhs_ref, rhs_ref));
|
||||
},
|
||||
|
||||
.cgt => {
|
||||
const rhs_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not comparable");
|
||||
};
|
||||
|
||||
defer env.discard(rhs_ref);
|
||||
|
||||
const lhs_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not comparable");
|
||||
};
|
||||
|
||||
defer env.discard(lhs_ref);
|
||||
|
||||
try env.push_boolean(try kym.test_difference(env, lhs_ref, rhs_ref) > 0);
|
||||
},
|
||||
|
||||
.clt => {
|
||||
const rhs_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not comparable");
|
||||
};
|
||||
|
||||
defer env.discard(rhs_ref);
|
||||
|
||||
const lhs_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not comparable");
|
||||
};
|
||||
|
||||
defer env.discard(lhs_ref);
|
||||
|
||||
try env.push_boolean(try kym.test_difference(env, lhs_ref, rhs_ref) < 0);
|
||||
},
|
||||
|
||||
.cge => {
|
||||
const rhs_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not comparable");
|
||||
};
|
||||
|
||||
defer env.discard(rhs_ref);
|
||||
|
||||
const lhs_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not comparable");
|
||||
};
|
||||
|
||||
defer env.discard(lhs_ref);
|
||||
|
||||
try env.push_boolean(try kym.test_difference(env, lhs_ref, rhs_ref) >= 0);
|
||||
},
|
||||
|
||||
.cle => {
|
||||
const rhs_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not comparable");
|
||||
};
|
||||
|
||||
defer env.discard(rhs_ref);
|
||||
|
||||
const lhs_ref = try env.pop_local() orelse {
|
||||
return env.raise(error.TypeMismatch, "nil is not comparable");
|
||||
};
|
||||
|
||||
defer env.discard(lhs_ref);
|
||||
|
||||
try env.push_boolean(try kym.test_difference(env, lhs_ref, rhs_ref) <= 0);
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
return env.pop_local();
|
||||
}
|
||||
|
||||
pub fn free(self: *Self) void {
|
||||
for (self.constant_refs.values) |constant| {
|
||||
self.env.discard(constant);
|
||||
}
|
||||
|
||||
self.opcodes.free();
|
||||
self.constant_refs.free();
|
||||
}
|
||||
|
||||
pub fn make(env: *kym.RuntimeEnv) Self {
|
||||
return Self{
|
||||
.opcodes = OpcodeList.make(env.allocator),
|
||||
.constant_refs = RefList.make(env.allocator),
|
||||
.env = env,
|
||||
};
|
||||
}
|
||||
@ -6,14 +6,12 @@ associative: AssociativeTable,
|
||||
contiguous: ContiguousList,
|
||||
|
||||
const AssociativeTable = coral.map.Table(*kym.RuntimeRef, *kym.RuntimeRef, struct {
|
||||
env: *kym.RuntimeEnv,
|
||||
|
||||
pub fn hash(self: @This(), key_ref: *kym.RuntimeRef) usize {
|
||||
return kym.hash(self.env, key_ref);
|
||||
pub fn hash(key: *kym.RuntimeRef) usize {
|
||||
return key.hash();
|
||||
}
|
||||
|
||||
pub fn equals(self: @This(), key_ref_a: *kym.RuntimeRef, key_ref_b: *kym.RuntimeRef) bool {
|
||||
return kym.test_equality(self.env, key_ref_a, key_ref_b);
|
||||
pub fn equals(key_a: *kym.RuntimeRef, key_b: *kym.RuntimeRef) bool {
|
||||
return key_a.equals(key_b);
|
||||
}
|
||||
});
|
||||
|
||||
@ -23,10 +21,7 @@ const Self = @This();
|
||||
|
||||
pub fn new(env: *kym.RuntimeEnv) kym.RuntimeError!*kym.RuntimeRef {
|
||||
var self = Self{
|
||||
.associative = AssociativeTable.make(env.allocator, .{
|
||||
.env = env,
|
||||
}),
|
||||
|
||||
.associative = AssociativeTable.make(env.allocator, .{}),
|
||||
.contiguous = ContiguousList.make(env.allocator),
|
||||
};
|
||||
|
||||
@ -35,17 +30,20 @@ pub fn new(env: *kym.RuntimeEnv) kym.RuntimeError!*kym.RuntimeRef {
|
||||
self.contiguous.free();
|
||||
}
|
||||
|
||||
return try env.new_dynamic(coral.io.bytes_of(&self), &typeinfo);
|
||||
}
|
||||
|
||||
const typeinfo = kym.Typeinfo{
|
||||
const table = try env.new_dynamic(&.{
|
||||
.name = "table",
|
||||
.clean = typeinfo_clean,
|
||||
.size = @sizeOf(Self),
|
||||
.destruct = typeinfo_destruct,
|
||||
.get = typeinfo_get,
|
||||
.set = typeinfo_set,
|
||||
};
|
||||
});
|
||||
|
||||
fn typeinfo_clean(method: kym.Method) void {
|
||||
coral.io.copy(env.unbox_dynamic(table) catch unreachable, coral.io.bytes_of(&self));
|
||||
|
||||
return table;
|
||||
}
|
||||
|
||||
fn typeinfo_destruct(method: kym.Typeinfo.Method) void {
|
||||
const table = @as(*Self, @ptrCast(@alignCast(method.userdata.ptr)));
|
||||
|
||||
{
|
||||
@ -59,28 +57,22 @@ fn typeinfo_clean(method: kym.Method) void {
|
||||
|
||||
table.associative.free();
|
||||
|
||||
while (table.contiguous.pop()) |ref| {
|
||||
while (table.contiguous.pop()) |value| {
|
||||
if (value) |ref| {
|
||||
method.env.discard(ref);
|
||||
}
|
||||
}
|
||||
|
||||
table.contiguous.free();
|
||||
}
|
||||
|
||||
fn typeinfo_get(method: kym.Method, index_ref: *const kym.RuntimeRef) kym.RuntimeError!?*kym.RuntimeRef {
|
||||
fn typeinfo_get(method: kym.Typeinfo.Method, index: *const kym.RuntimeRef) kym.RuntimeError!?*kym.RuntimeRef {
|
||||
const table = @as(*Self, @ptrCast(@alignCast(method.userdata.ptr)));
|
||||
const acquired_index = try method.env.acquire(index);
|
||||
|
||||
switch (method.env.unbox(index_ref)) {
|
||||
.symbol, .string, .float => {
|
||||
const mutable_index_ref = method.env.acquire(index_ref);
|
||||
defer method.env.discard(acquired_index);
|
||||
|
||||
defer method.env.discard(mutable_index_ref);
|
||||
|
||||
if (table.associative.lookup(mutable_index_ref)) |value_ref| {
|
||||
return method.env.acquire(value_ref);
|
||||
}
|
||||
},
|
||||
|
||||
.fixed => |fixed| {
|
||||
if (acquired_index.is_fixed()) |fixed| {
|
||||
if (fixed < 0) {
|
||||
// TODO: Negative indexing.
|
||||
unreachable;
|
||||
@ -89,95 +81,53 @@ fn typeinfo_get(method: kym.Method, index_ref: *const kym.RuntimeRef) kym.Runtim
|
||||
if (fixed < table.contiguous.values.len) {
|
||||
return method.env.acquire(table.contiguous.values[@intCast(fixed)] orelse return null);
|
||||
}
|
||||
|
||||
const mutable_index_ref = method.env.acquire(index_ref);
|
||||
|
||||
defer method.env.discard(mutable_index_ref);
|
||||
|
||||
if (table.associative.lookup(mutable_index_ref)) |value_ref| {
|
||||
return method.env.acquire(value_ref);
|
||||
}
|
||||
},
|
||||
|
||||
else => return method.env.raise(error.TypeMismatch, "expected symbol, string, or number index"),
|
||||
if (table.associative.lookup(acquired_index)) |value_ref| {
|
||||
return method.env.acquire(value_ref);
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
fn typeinfo_set(method: kym.Method, index_ref: *const kym.RuntimeRef, value_ref: ?*const kym.RuntimeRef) kym.RuntimeError!void {
|
||||
fn typeinfo_set(method: kym.Typeinfo.Method, index: *const kym.RuntimeRef, value: ?*const kym.RuntimeRef) kym.RuntimeError!void {
|
||||
const table = @as(*Self, @ptrCast(@alignCast(method.userdata.ptr)));
|
||||
const acquired_index = try method.env.acquire(index);
|
||||
|
||||
switch (method.env.unbox(index_ref)) {
|
||||
.symbol, .string, .float => {
|
||||
const acquired_index_ref = method.env.acquire(index_ref);
|
||||
errdefer method.env.discard(acquired_index);
|
||||
|
||||
errdefer method.env.discard(acquired_index_ref);
|
||||
|
||||
if (value_ref) |ref| {
|
||||
const acquired_ref = method.env.acquire(ref);
|
||||
|
||||
errdefer method.env.discard(acquired_ref);
|
||||
|
||||
if (try table.associative.replace(acquired_index_ref, acquired_ref)) |replaced| {
|
||||
method.env.discard(replaced.key);
|
||||
method.env.discard(replaced.value);
|
||||
}
|
||||
} else if (table.associative.remove(acquired_index_ref)) |removed| {
|
||||
method.env.discard(removed.key);
|
||||
method.env.discard(removed.value);
|
||||
}
|
||||
},
|
||||
|
||||
.fixed => |fixed| {
|
||||
if (acquired_index.is_fixed()) |fixed| {
|
||||
if (fixed < 0) {
|
||||
// TODO: Negative indexing.
|
||||
unreachable;
|
||||
}
|
||||
|
||||
if (fixed < table.contiguous.values.len) {
|
||||
const contiguous_value = &table.contiguous.values[@intCast(fixed)];
|
||||
const maybe_replacing = &table.contiguous.values[@intCast(fixed)];
|
||||
|
||||
method.env.discard(contiguous_value.*);
|
||||
if (maybe_replacing.*) |replacing| {
|
||||
method.env.discard(replacing);
|
||||
}
|
||||
|
||||
contiguous_value.* = if (value_ref) |ref| method.env.acquire(ref) else null;
|
||||
maybe_replacing.* = if (value) |ref| try method.env.acquire(ref) else null;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
if (fixed == table.contiguous.values.len) {
|
||||
if (value_ref) |ref| {
|
||||
const acquired_ref = method.env.acquire(ref);
|
||||
|
||||
errdefer method.env.discard(acquired_ref);
|
||||
|
||||
try table.contiguous.push_one(acquired_ref);
|
||||
} else {
|
||||
try table.contiguous.push_one(null);
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
const acquired_index_ref = method.env.acquire(index_ref);
|
||||
|
||||
errdefer method.env.discard(acquired_index_ref);
|
||||
|
||||
if (value_ref) |ref| {
|
||||
const acquired_ref = method.env.acquire(ref);
|
||||
|
||||
errdefer method.env.discard(acquired_ref);
|
||||
|
||||
if (try table.associative.replace(acquired_index_ref, acquired_ref)) |replaced| {
|
||||
method.env.discard(replaced.key);
|
||||
method.env.discard(replaced.value);
|
||||
}
|
||||
} else if (table.associative.remove(acquired_index_ref)) |removed| {
|
||||
const acquired_value = try method.env.acquire(value orelse {
|
||||
if (table.associative.remove(acquired_index)) |removed| {
|
||||
method.env.discard(removed.key);
|
||||
method.env.discard(removed.value);
|
||||
}
|
||||
},
|
||||
|
||||
else => return method.env.raise(error.TypeMismatch, "expected symbol, string, or number index"),
|
||||
return;
|
||||
});
|
||||
|
||||
errdefer method.env.discard(acquired_value);
|
||||
|
||||
if (try table.associative.replace(acquired_index, acquired_value)) |replaced| {
|
||||
method.env.discard(replaced.key);
|
||||
method.env.discard(replaced.value);
|
||||
}
|
||||
}
|
||||
|
||||
@ -27,25 +27,31 @@ fn kym_handle_errors(info: kym.ErrorInfo) void {
|
||||
}
|
||||
|
||||
fn kym_log_info(env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeRef {
|
||||
if (try env.view_arg(0)) |arg| {
|
||||
app.log_info(try kym.unbox_string(env, arg));
|
||||
}
|
||||
const argument = try env.expect(try env.arg(0));
|
||||
|
||||
defer env.discard(argument);
|
||||
|
||||
app.log_info(try env.unbox_string(argument));
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
fn kym_log_warn(env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeRef {
|
||||
if (try env.view_arg(0)) |arg| {
|
||||
app.log_warn(try kym.unbox_string(env, arg));
|
||||
}
|
||||
const argument = try env.expect(try env.arg(0));
|
||||
|
||||
defer env.discard(argument);
|
||||
|
||||
app.log_warn(try env.unbox_string(argument));
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
fn kym_log_fail(env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeRef {
|
||||
if (try env.view_arg(0)) |arg| {
|
||||
app.log_fail(try kym.unbox_string(env, arg));
|
||||
}
|
||||
const argument = try env.expect(try env.arg(0));
|
||||
|
||||
defer env.discard(argument);
|
||||
|
||||
app.log_fail(try env.unbox_string(argument));
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user