Native "Syscall" Interface for Kym #21
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@ -142,8 +142,17 @@ pub const RuntimeEnv = struct {
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coral.debug.assert(frame != null);
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coral.debug.assert(frame != null);
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coral.debug.assert(self.local_refs.drop(
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{
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(self.local_refs.values.len - frame.?.locals_top) + frame.?.arg_count));
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var pops_remaining = (self.local_refs.values.len - frame.?.locals_top) + frame.?.arg_count;
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while (pops_remaining != 0) : (pops_remaining -= 1) {
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const local = self.local_refs.pop();
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coral.debug.assert(local != null);
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self.discard(local.?);
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}
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}
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}
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}
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return caller.invoke(self);
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return caller.invoke(self);
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@ -160,7 +169,13 @@ pub const RuntimeEnv = struct {
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if (ref_data.ref_count == 0) {
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if (ref_data.ref_count == 0) {
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switch (ref_data.object) {
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switch (ref_data.object) {
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.string => |string| self.allocator.deallocate(string),
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.string => |string| self.allocator.deallocate(string),
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.dynamic => |virtual| self.allocator.deallocate(virtual),
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.dynamic => |dynamic| {
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dynamic.typeinfo.clean(self, dynamic.userdata);
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self.allocator.deallocate(dynamic.userdata);
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self.allocator.deallocate(dynamic);
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},
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else => {},
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else => {},
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}
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}
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} else {
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} else {
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@ -208,6 +223,12 @@ pub const RuntimeEnv = struct {
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}
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}
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pub fn free(self: *RuntimeEnv) void {
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pub fn free(self: *RuntimeEnv) void {
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for (self.local_refs.values) |ref| {
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self.discard(ref);
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}
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self.frames.free();
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self.syscallers.free();
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self.local_refs.free();
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self.local_refs.free();
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self.ref_values.free();
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self.ref_values.free();
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}
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}
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@ -362,7 +383,7 @@ pub const TestContext = struct {
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pub const Typeinfo = struct {
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pub const Typeinfo = struct {
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name: []const coral.io.Byte,
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name: []const coral.io.Byte,
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call: *const fn (env: *RuntimeEnv) RuntimeError!?*RuntimeRef = default_call,
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call: *const fn (env: *RuntimeEnv) RuntimeError!?*RuntimeRef = default_call,
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clean: *const fn (userdata: []coral.io.Byte) void = default_clean,
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clean: *const fn (env: *RuntimeEnv, userdata: []coral.io.Byte) void = default_clean,
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get: *const fn (context: IndexContext) RuntimeError!?*RuntimeRef = default_get,
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get: *const fn (context: IndexContext) RuntimeError!?*RuntimeRef = default_get,
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set: *const fn (context: IndexContext, value: ?*const RuntimeRef) RuntimeError!void = default_set,
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set: *const fn (context: IndexContext, value: ?*const RuntimeRef) RuntimeError!void = default_set,
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test_difference: *const fn (context: TestContext) RuntimeError!Float = default_test_difference,
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test_difference: *const fn (context: TestContext) RuntimeError!Float = default_test_difference,
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@ -372,7 +393,7 @@ pub const Typeinfo = struct {
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return env.raise(error.TypeMismatch, "object is not callable");
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return env.raise(error.TypeMismatch, "object is not callable");
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}
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}
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fn default_clean(_: []coral.io.Byte) void {
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fn default_clean(_: *RuntimeEnv, _: []coral.io.Byte) void {
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// Nothing to clean by default.
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// Nothing to clean by default.
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}
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}
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@ -473,13 +494,7 @@ pub fn set_field(
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return set(env, indexable_ref, field_name_ref, value_ref);
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return set(env, indexable_ref, field_name_ref, value_ref);
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}
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}
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pub fn new_table(env: *RuntimeEnv) RuntimeError!?*RuntimeRef {
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pub const new_table = Table.new;
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var table = Table.make(env);
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errdefer table.free();
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return try env.new_dynamic(coral.io.bytes_of(&table), &Table.typeinfo);
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}
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pub fn test_difference(env: *RuntimeEnv, lhs_ref: ?*const RuntimeRef, rhs_ref: ?*const RuntimeRef) RuntimeError!Float {
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pub fn test_difference(env: *RuntimeEnv, lhs_ref: ?*const RuntimeRef, rhs_ref: ?*const RuntimeRef) RuntimeError!Float {
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return switch (env.unbox(lhs_ref)) {
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return switch (env.unbox(lhs_ref)) {
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@ -211,8 +211,6 @@ pub fn as_caller(self: *Self) kym.Caller {
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}
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}
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pub fn compile_ast(self: *Self, ast: Ast) kym.RuntimeError!void {
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pub fn compile_ast(self: *Self, ast: Ast) kym.RuntimeError!void {
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self.free();
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try self.constant_refs.grow(coral.math.max_int(@typeInfo(u16).Int));
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try self.constant_refs.grow(coral.math.max_int(@typeInfo(u16).Int));
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var compiler = AstCompiler{.chunk = self};
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var compiler = AstCompiler{.chunk = self};
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@ -11,14 +11,16 @@ const FieldTable = coral.map.StringTable(struct {
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const Self = @This();
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const Self = @This();
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pub fn free(self: *Self) void {
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pub fn new(env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeRef {
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var self = Self{
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.fields = FieldTable.make(env.allocator),
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};
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errdefer {
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self.fields.free();
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self.fields.free();
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}
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}
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pub fn make(env: *kym.RuntimeEnv) Self {
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return try env.new_dynamic(coral.io.bytes_of(&self), &typeinfo);
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return .{
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.fields = FieldTable.make(env.allocator),
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};
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}
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}
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pub const typeinfo = kym.Typeinfo{
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pub const typeinfo = kym.Typeinfo{
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@ -28,8 +30,19 @@ pub const typeinfo = kym.Typeinfo{
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.set = typeinfo_set,
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.set = typeinfo_set,
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};
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};
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fn typeinfo_clean(userdata: []u8) void {
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fn typeinfo_clean(env: *kym.RuntimeEnv, userdata: []coral.io.Byte) void {
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@as(*Self, @ptrCast(@alignCast(userdata.ptr))).free();
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const table = @as(*Self, @ptrCast(@alignCast(userdata.ptr)));
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{
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var field_iterable = table.fields.as_iterable();
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while (field_iterable.next()) |entry| {
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env.discard(entry.value.key_ref);
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env.discard(entry.value.value_ref);
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}
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}
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table.fields.free();
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}
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}
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fn typeinfo_get(context: kym.IndexContext) kym.RuntimeError!?*kym.RuntimeRef {
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fn typeinfo_get(context: kym.IndexContext) kym.RuntimeError!?*kym.RuntimeRef {
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