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No commits in common. "decc2799b09161f5fc286f46a9c405e50cd89f0e" and "8f3a33a52b69c15419eac4fc21c4664662e0c275" have entirely different histories.
decc2799b0
...
8f3a33a52b
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@ -1,6 +1,5 @@
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let tool = "wrench"
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var test_param = `monkey {tool} {2 + 1 - 1}`
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let test_param = "monkey wrench"
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let printer = lambda (pfx):
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@print(test_param)
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@ -17,7 +17,7 @@ pub fn Stack(comptime Value: type) type {
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}
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pub fn drop(self: *Self, count: usize) bool {
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if (math.checked_sub(self.values.len, count)) |updated_count| {
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if (math.checked_sub(self.values, count)) |updated_count| {
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self.values = self.values[0 .. updated_count];
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return true;
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@ -133,80 +133,6 @@ pub const RuntimeEnv = struct {
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};
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}
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pub fn concat(self: *RuntimeEnv, values: []const *const RuntimeRef) RuntimeError!*RuntimeRef {
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if (values.len == 0) {
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return self.new_string("");
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}
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var remaining_value_count = values.len;
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errdefer {
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var poppable_value_count = values.len - remaining_value_count;
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while (poppable_value_count != 0) {
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poppable_value_count -= 1;
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const popped_value = self.pop_local() catch unreachable;
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coral.debug.assert(popped_value != null);
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self.discard(popped_value.?);
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}
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}
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var length = @as(usize, 0);
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while (remaining_value_count != 0) {
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remaining_value_count -= 1;
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const value_string = try self.to_string(values[remaining_value_count]);
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errdefer self.discard(value_string);
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const string = value_string.as_string();
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coral.debug.assert(string != null);
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try self.locals.push_one(value_string);
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length += string.?.len;
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}
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const buffer = try coral.io.allocate_many(self.allocator, length, @as(coral.io.Byte, 0));
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errdefer self.allocator.deallocate(buffer);
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var written = @as(usize, 0);
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while (remaining_value_count != values.len) : (remaining_value_count += 1) {
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const value_string = try self.pop_local();
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coral.debug.assert(value_string != null);
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defer self.discard(value_string.?);
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const string = value_string.?.as_string();
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coral.debug.assert(string != null);
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coral.io.copy(buffer[written ..], string.?);
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written += string.?.len;
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coral.debug.assert(written <= length);
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}
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return RuntimeRef.allocate(self.allocator, .{
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.ref_count = 1,
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.payload = .{
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.string = .{
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.ptr = buffer.ptr,
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.len = @intCast(buffer.len),
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},
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},
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});
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}
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pub fn discard(self: *RuntimeEnv, value: *RuntimeRef) void {
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var object = value.object();
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@ -356,7 +282,7 @@ pub const RuntimeEnv = struct {
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pub fn get_boxed(self: *RuntimeEnv, boxable: *RuntimeRef) RuntimeError!?*RuntimeRef {
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return switch (boxable.object().payload) {
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.boxed => |boxed| if (boxed) |boxed_value| boxed_value.acquire() else null,
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else => self.raise(error.TypeMismatch, "{typename} is not box-gettable", .{.typename = boxable.typename()}),
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else => self.raise(error.TypeMismatch, "{typename} is not boxable", .{.typename = boxable.typename()}),
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};
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}
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@ -607,8 +533,8 @@ pub const RuntimeEnv = struct {
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if (arg_count < arity) {
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return self.raise(error.BadOperation, "expected `{expected}` {noun}, {provided} provided", .{
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.expected = arg_count,
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.provided = arity,
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.expected = arity,
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.provided = arg_count,
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.noun = if (arity == 1) "argument" else "arguments",
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});
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}
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@ -647,9 +573,8 @@ pub const RuntimeEnv = struct {
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if (callable.as_dynamic(Chunk.typeinfo)) |chunk_userdata| {
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const chunk = @as(*Chunk, @ptrCast(@alignCast(chunk_userdata)));
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const line = chunk.lines.values[chunk.cursor];
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const chunk_name = try coral.utf8.alloc_formatted(self.allocator, "{name}@{line_number}", .{
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const chunk_name = try coral.utf8.alloc_formatted(self.allocator, "{name}@{line}", .{
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.name = get_name: {
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const string = name.as_string();
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@ -658,7 +583,7 @@ pub const RuntimeEnv = struct {
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break: get_name string.?;
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},
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.line_number = line.number,
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.line = chunk.lines.values[chunk.cursor],
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});
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defer self.allocator.deallocate(chunk_name);
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@ -699,7 +624,7 @@ pub const RuntimeEnv = struct {
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boxed.* = if (value) |ref| ref.acquire() else null;
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},
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else => return self.raise(error.TypeMismatch, "{typename} is not box-settable", .{
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else => return self.raise(error.TypeMismatch, "{typename} is not boxable", .{
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.typename = boxable.typename(),
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}),
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}
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@ -1088,8 +1013,6 @@ pub const Typeinfo = struct {
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};
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pub fn assert(env: *RuntimeEnv, condition: bool) RuntimeError!void {
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coral.debug.assert(condition);
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if (!condition) {
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return env.raise(error.IllegalState, "assertion", .{});
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}
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@ -1,13 +1,13 @@
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const app = @import("../app.zig");
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const Compiler = @import("./Compiler.zig");
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const coral = @import("coral");
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const file = @import("../file.zig");
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const kym = @import("../kym.zig");
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const tokens = @import("./tokens.zig");
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const tree = @import("./tree.zig");
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name: *kym.RuntimeRef,
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@ -25,443 +25,9 @@ const Builtin = enum {
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vec3,
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};
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const Compiler = struct {
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chunk: *Self,
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env: *kym.RuntimeEnv,
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fn compile_argument(self: *const Compiler, environment: *const tree.Environment, initial_argument: ?*const tree.Expr) kym.RuntimeError!u8 {
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// TODO: Exceeding 255 arguments will make the VM crash.
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var maybe_argument = initial_argument;
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var argument_count = @as(u8, 0);
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while (maybe_argument) |argument| {
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try self.compile_expression(environment, argument, null);
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maybe_argument = argument.next;
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argument_count += 1;
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}
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return argument_count;
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}
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fn compile_expression(self: *const Compiler, environment: *const tree.Environment, expression: *const tree.Expr, name: ?[]const coral.io.Byte) kym.RuntimeError!void {
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const number_format = coral.utf8.DecimalFormat{
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.delimiter = "_",
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.positive_prefix = .none,
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};
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switch (expression.kind) {
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.nil_literal => try self.chunk.write(expression.line, .push_nil),
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.true_literal => try self.chunk.write(expression.line, .push_true),
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.false_literal => try self.chunk.write(expression.line, .push_false),
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.number_literal => |literal| {
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for (literal) |codepoint| {
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if (codepoint == '.') {
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return self.chunk.write(expression.line, .{
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.push_const = try self.declare_float(number_format.parse(literal, kym.Float) orelse unreachable),
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});
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}
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}
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try self.chunk.write(expression.line, .{
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.push_const = try self.declare_fixed(number_format.parse(literal, kym.Fixed) orelse unreachable),
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});
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},
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.string_literal => |literal| {
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try self.chunk.write(expression.line, .{.push_const = try self.declare_string(literal)});
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},
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.string_template => {
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var current_expression = expression.next orelse {
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return self.chunk.write(expression.line, .{.push_const = try self.declare_string("")});
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};
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var component_count = @as(u8, 0);
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while (true) {
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try self.compile_expression(environment, current_expression, null);
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component_count += 1;
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current_expression = current_expression.next orelse {
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return self.chunk.write(expression.line, .{.push_concat = component_count});
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};
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}
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},
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.symbol_literal => |literal| {
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try self.chunk.write(expression.line, .{.push_const = try self.declare_symbol(literal)});
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},
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.table_construct => |table_construct| {
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var table_entry = table_construct.entry;
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var field_count = @as(u32, 0);
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while (table_entry) |entry| : (table_entry = entry.next) {
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try self.compile_expression(environment, entry, null);
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if (entry.kind != .key_value) {
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try self.chunk.write(expression.line, .push_top);
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}
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field_count += 1;
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}
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try self.chunk.write(expression.line, .{.push_table = field_count});
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},
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.key_value => |key_value| {
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try self.compile_expression(environment, key_value.value, null);
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try self.compile_expression(environment, key_value.key, null);
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},
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.lambda_construct => |lambda_construct| {
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var chunk = try Self.make(self.env, name orelse "<lambda>", lambda_construct.environment);
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errdefer chunk.free(self.env);
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if (lambda_construct.environment.capture_count == 0) {
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try self.chunk.write(expression.line, .{.push_const = try self.declare_chunk(chunk)});
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} else {
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const lambda_captures = lambda_construct.environment.get_captures();
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var index = lambda_captures.len;
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||||
|
||||
while (index != 0) {
|
||||
index -= 1;
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||||
|
||||
try self.chunk.write(expression.line, switch (lambda_captures[index]) {
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||||
.declaration_index => |declaration_index| .{.push_local = declaration_index},
|
||||
.capture_index => |capture_index| .{.push_binding = capture_index},
|
||||
});
|
||||
}
|
||||
|
||||
try self.chunk.write(expression.line, .{.push_const = try self.declare_chunk(chunk)});
|
||||
try self.chunk.write(expression.line, .{.bind = lambda_construct.environment.capture_count});
|
||||
}
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||||
},
|
||||
|
||||
.binary_op => |binary_op| {
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||||
try self.compile_expression(environment, binary_op.lhs_operand, null);
|
||||
try self.compile_expression(environment, binary_op.rhs_operand, null);
|
||||
|
||||
try self.chunk.write(expression.line, switch (binary_op.operation) {
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||||
.addition => .add,
|
||||
.subtraction => .sub,
|
||||
.multiplication => .mul,
|
||||
.divsion => .div,
|
||||
.greater_equals_comparison => .cge,
|
||||
.greater_than_comparison => .cgt,
|
||||
.equals_comparison => .eql,
|
||||
.less_than_comparison => .clt,
|
||||
.less_equals_comparison => .cle,
|
||||
});
|
||||
},
|
||||
|
||||
.unary_op => |unary_op| {
|
||||
try self.compile_expression(environment, unary_op.operand, null);
|
||||
|
||||
try self.chunk.write(expression.line, switch (unary_op.operation) {
|
||||
.boolean_negation => .not,
|
||||
.numeric_negation => .neg,
|
||||
});
|
||||
},
|
||||
|
||||
.invoke => |invoke| {
|
||||
const argument_count = try self.compile_argument(environment, invoke.argument);
|
||||
|
||||
try self.compile_expression(environment, invoke.object, null);
|
||||
try self.chunk.write(expression.line, .{.call = argument_count});
|
||||
},
|
||||
|
||||
.group => |group| try self.compile_expression(environment, group, null),
|
||||
.import_builtin => try self.chunk.write(expression.line, .{.push_builtin = .import}),
|
||||
.print_builtin => try self.chunk.write(expression.line, .{.push_builtin = .print}),
|
||||
.vec2_builtin => try self.chunk.write(expression.line, .{.push_builtin = .vec2}),
|
||||
.vec3_builtin => try self.chunk.write(expression.line, .{.push_builtin = .vec3}),
|
||||
|
||||
.declaration_get => |declaration_get| {
|
||||
if (get_local_index(environment, declaration_get.declaration)) |index| {
|
||||
if (is_declaration_boxed(declaration_get.declaration)) {
|
||||
try self.chunk.write(expression.line, .{.push_local = index});
|
||||
try self.chunk.write(expression.line, .get_box);
|
||||
} else {
|
||||
try self.chunk.write(expression.line, .{.push_local = index});
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
if (try self.get_binding_index(environment, declaration_get.declaration)) |index| {
|
||||
try self.chunk.write(expression.line, .{.push_binding = index});
|
||||
|
||||
if (is_declaration_boxed(declaration_get.declaration)) {
|
||||
try self.chunk.write(expression.line, .get_box);
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
return self.env.raise(error.IllegalState, "local out of scope", .{});
|
||||
},
|
||||
|
||||
.declaration_set => |declaration_set| {
|
||||
if (get_local_index(environment, declaration_set.declaration)) |index| {
|
||||
try self.compile_expression(environment, declaration_set.assign, null);
|
||||
|
||||
if (is_declaration_boxed(declaration_set.declaration)) {
|
||||
try self.chunk.write(expression.line, .{.push_local = index});
|
||||
try self.chunk.write(expression.line, .set_box);
|
||||
} else {
|
||||
try self.chunk.write(expression.line, .{.set_local = index});
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
if (try self.get_binding_index(environment, declaration_set.declaration)) |index| {
|
||||
try self.compile_expression(environment, declaration_set.assign, null);
|
||||
try self.chunk.write(expression.line, .{.push_binding = index});
|
||||
|
||||
if (is_declaration_boxed(declaration_set.declaration)) {
|
||||
try self.chunk.write(expression.line, .set_box);
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
return self.env.raise(error.IllegalState, "local out of scope", .{});
|
||||
},
|
||||
|
||||
.field_get => |field_get| {
|
||||
try self.compile_expression(environment, field_get.object, null);
|
||||
try self.chunk.write(expression.line, .{.push_const = try self.declare_symbol(field_get.identifier)});
|
||||
try self.chunk.write(expression.line, .get_dynamic);
|
||||
},
|
||||
|
||||
.field_set => |field_set| {
|
||||
try self.compile_expression(environment, field_set.object, null);
|
||||
try self.chunk.write(expression.line, .{.push_const = try self.declare_symbol(field_set.identifier)});
|
||||
try self.compile_expression(environment, field_set.assign, null);
|
||||
try self.chunk.write(expression.line, .set_dynamic);
|
||||
},
|
||||
|
||||
.subscript_get => |subscript_get| {
|
||||
try self.compile_expression(environment, subscript_get.object, null);
|
||||
try self.compile_expression(environment, subscript_get.index, null);
|
||||
try self.chunk.write(expression.line, .get_dynamic);
|
||||
},
|
||||
|
||||
.subscript_set => |subscript_set| {
|
||||
try self.compile_expression(environment, subscript_set.object, null);
|
||||
try self.compile_expression(environment, subscript_set.index, null);
|
||||
try self.compile_expression(environment, subscript_set.assign, null);
|
||||
try self.chunk.write(expression.line, .set_dynamic);
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
pub fn compile_environment(self: *const Compiler, environment: *const tree.Environment) kym.RuntimeError!void {
|
||||
if (environment.statement) |statement| {
|
||||
const last_statement = try self.compile_statement(environment, statement);
|
||||
|
||||
if (last_statement.kind != .@"return") {
|
||||
try self.chunk.write(last_statement.line, .push_nil);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn compile_statement(self: *const Compiler, environment: *const tree.Environment, initial_statement: *const tree.Stmt) kym.RuntimeError!*const tree.Stmt {
|
||||
var current_statement = initial_statement;
|
||||
|
||||
while (true) {
|
||||
switch (current_statement.kind) {
|
||||
.@"return" => |@"return"| {
|
||||
if (@"return".returned_expression) |expression| {
|
||||
try self.compile_expression(environment, expression, null);
|
||||
} else {
|
||||
try self.chunk.write(current_statement.line, .push_nil);
|
||||
}
|
||||
|
||||
// TODO: Omit ret calls at ends of chunk.
|
||||
try self.chunk.write(current_statement.line, .ret);
|
||||
},
|
||||
|
||||
.@"while" => |@"while"| {
|
||||
try self.compile_expression(environment, @"while".loop_expression, null);
|
||||
try self.chunk.write(current_statement.line, .{.jf = 0});
|
||||
|
||||
const origin_index = @as(u32, @intCast(self.chunk.opcodes.values.len - 1));
|
||||
|
||||
_ = try self.compile_statement(environment, @"while".loop);
|
||||
self.chunk.opcodes.values[origin_index].jf = @intCast(self.chunk.opcodes.values.len - 1);
|
||||
|
||||
try self.compile_expression(environment, @"while".loop_expression, null);
|
||||
try self.chunk.write(current_statement.line, .{.jt = origin_index});
|
||||
},
|
||||
|
||||
.@"if" => |@"if"| {
|
||||
try self.compile_expression(environment, @"if".then_expression, null);
|
||||
try self.chunk.write(current_statement.line, .{.jf = 0});
|
||||
|
||||
const origin_index = @as(u32, @intCast(self.chunk.opcodes.values.len - 1));
|
||||
|
||||
_ = try self.compile_statement(environment, @"if".@"then");
|
||||
self.chunk.opcodes.values[origin_index].jf = @intCast(self.chunk.opcodes.values.len - 1);
|
||||
|
||||
if (@"if".@"else") |@"else"| {
|
||||
_ = try self.compile_statement(environment, @"else");
|
||||
}
|
||||
},
|
||||
|
||||
.declare => |declare| {
|
||||
try self.compile_expression(environment, declare.initial_expression, declare.declaration.identifier);
|
||||
|
||||
if (is_declaration_boxed(declare.declaration)) {
|
||||
try self.chunk.write(current_statement.line, .push_boxed);
|
||||
}
|
||||
},
|
||||
|
||||
.top_expression => |top_expression| {
|
||||
try self.compile_expression(environment, top_expression, null);
|
||||
|
||||
if (top_expression.kind == .invoke) {
|
||||
try self.chunk.write(current_statement.line, .pop);
|
||||
}
|
||||
},
|
||||
}
|
||||
|
||||
current_statement = current_statement.next orelse return current_statement;
|
||||
}
|
||||
}
|
||||
|
||||
const constants_max = @as(usize, coral.math.max_int(@typeInfo(u16).Int));
|
||||
|
||||
fn declare_chunk(self: *const Compiler, chunk: Self) kym.RuntimeError!u16 {
|
||||
if (self.chunk.constants.values.len == coral.math.max_int(@typeInfo(u16).Int)) {
|
||||
return self.env.raise(error.BadSyntax, "chunks cannot contain more than {max} constants", .{
|
||||
.max = @as(usize, coral.math.max_int(@typeInfo(u16).Int)),
|
||||
});
|
||||
}
|
||||
|
||||
const constant = try self.env.new_dynamic(coral.io.bytes_of(&chunk), typeinfo);
|
||||
|
||||
errdefer self.env.discard(constant);
|
||||
|
||||
try self.chunk.constants.push_one(constant);
|
||||
|
||||
return @intCast(self.chunk.constants.values.len - 1);
|
||||
}
|
||||
|
||||
fn declare_fixed(self: *const Compiler, fixed: kym.Fixed) kym.RuntimeError!u16 {
|
||||
if (self.chunk.constants.values.len == constants_max) {
|
||||
return self.env.raise(error.BadSyntax, "chunks cannot contain more than {max} constants", .{
|
||||
.max = constants_max,
|
||||
});
|
||||
}
|
||||
|
||||
const constant = try self.env.new_fixed(fixed);
|
||||
|
||||
errdefer self.env.discard(constant);
|
||||
|
||||
try self.chunk.constants.push_one(constant);
|
||||
|
||||
return @intCast(self.chunk.constants.values.len - 1);
|
||||
}
|
||||
|
||||
fn declare_float(self: *const Compiler, float: kym.Float) kym.RuntimeError!u16 {
|
||||
if (self.chunk.constants.values.len == constants_max) {
|
||||
return self.env.raise(error.BadSyntax, "chunks cannot contain more than {max} constants", .{
|
||||
.max = constants_max,
|
||||
});
|
||||
}
|
||||
|
||||
const constant = try self.env.new_float(float);
|
||||
|
||||
errdefer self.env.discard(constant);
|
||||
|
||||
try self.chunk.constants.push_one(constant);
|
||||
|
||||
return @intCast(self.chunk.constants.values.len - 1);
|
||||
}
|
||||
|
||||
fn declare_string(self: *const Compiler, string: []const coral.io.Byte) kym.RuntimeError!u16 {
|
||||
if (self.chunk.constants.values.len == constants_max) {
|
||||
return self.env.raise(error.BadSyntax, "chunks cannot contain more than {max} constants", .{
|
||||
.max = constants_max,
|
||||
});
|
||||
}
|
||||
|
||||
const constant = try self.env.new_string(string);
|
||||
|
||||
errdefer self.env.discard(constant);
|
||||
|
||||
try self.chunk.constants.push_one(constant);
|
||||
|
||||
return @intCast(self.chunk.constants.values.len - 1);
|
||||
}
|
||||
|
||||
fn declare_symbol(self: *const Compiler, symbol: []const coral.io.Byte) kym.RuntimeError!u16 {
|
||||
if (self.chunk.constants.values.len == constants_max) {
|
||||
return self.env.raise(error.BadSyntax, "chunks cannot contain more than {max} constants", .{
|
||||
.max = constants_max,
|
||||
});
|
||||
}
|
||||
|
||||
const constant = try self.env.new_symbol(symbol);
|
||||
|
||||
errdefer self.env.discard(constant);
|
||||
|
||||
try self.chunk.constants.push_one(constant);
|
||||
|
||||
return @intCast(self.chunk.constants.values.len - 1);
|
||||
}
|
||||
|
||||
fn get_binding_index(self: *const Compiler, environment: *const tree.Environment, declaration: *const tree.Declaration) kym.RuntimeError!?u8 {
|
||||
var binding_index = @as(u8, 0);
|
||||
|
||||
while (binding_index < environment.capture_count) : (binding_index += 1) {
|
||||
var capture = &environment.captures[binding_index];
|
||||
var target_environment = environment.enclosing orelse return null;
|
||||
|
||||
while (capture.* == .capture_index) {
|
||||
capture = &target_environment.captures[capture.capture_index];
|
||||
target_environment = target_environment.enclosing orelse return null;
|
||||
}
|
||||
|
||||
try kym.assert(self.env, capture.* == .declaration_index);
|
||||
|
||||
if (&target_environment.declarations[capture.declaration_index] == declaration) {
|
||||
return binding_index;
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
fn get_local_index(environment: *const tree.Environment, declaration: *const tree.Declaration) ?u8 {
|
||||
var remaining = environment.declaration_count;
|
||||
|
||||
while (remaining != 0) {
|
||||
remaining -= 1;
|
||||
|
||||
if (&environment.declarations[remaining] == declaration) {
|
||||
return remaining;
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
fn is_declaration_boxed(declaration: *const tree.Declaration) bool {
|
||||
return declaration.is.captured and !declaration.is.readonly;
|
||||
}
|
||||
};
|
||||
|
||||
const ConstList = coral.list.Stack(*kym.RuntimeRef);
|
||||
|
||||
const LineList = coral.list.Stack(tokens.Line);
|
||||
const LineList = coral.list.Stack(u32);
|
||||
|
||||
pub const Opcode = union (enum) {
|
||||
ret,
|
||||
|
|
@ -475,7 +41,6 @@ pub const Opcode = union (enum) {
|
|||
push_table: u32,
|
||||
push_builtin: Builtin,
|
||||
push_binding: u8,
|
||||
push_concat: u8,
|
||||
push_boxed,
|
||||
set_local: u8,
|
||||
get_dynamic,
|
||||
|
|
@ -557,10 +122,6 @@ pub fn dump(chunk: Self, env: *kym.RuntimeEnv) kym.RuntimeError!*kym.RuntimeRef
|
|||
.binding = push_binding,
|
||||
}),
|
||||
|
||||
.push_concat => |push_concat| coral.utf8.print_formatted(writer, "push concat ({count})\n", .{
|
||||
.count = push_concat,
|
||||
}),
|
||||
|
||||
.push_builtin => |push_builtin| coral.utf8.print_formatted(writer, "push builtin ({builtin})\n", .{
|
||||
.builtin = switch (push_builtin) {
|
||||
.import => "import",
|
||||
|
|
@ -691,33 +252,6 @@ pub fn execute(self: *Self, env: *kym.RuntimeEnv, frame: *const kym.Frame) kym.R
|
|||
try env.locals.push_one(if (self.bindings[push_binding]) |value| value.acquire() else null);
|
||||
},
|
||||
|
||||
.push_concat => |push_concat| {
|
||||
const frame_locals = env.locals.values[frame.locals_top ..];
|
||||
|
||||
try kym.assert(env, push_concat <= frame_locals.len);
|
||||
|
||||
const concat_locals = frame_locals[(frame_locals.len - push_concat) .. frame_locals.len];
|
||||
|
||||
for (concat_locals) |value| {
|
||||
_ = try env.expect(value);
|
||||
}
|
||||
|
||||
const concatenated_value = try env.concat(@ptrCast(concat_locals));
|
||||
|
||||
errdefer env.discard(concatenated_value);
|
||||
|
||||
var to_pop = concat_locals.len;
|
||||
|
||||
while (to_pop != 0) : (to_pop -= 1) {
|
||||
const popped = env.pop_local() catch unreachable;
|
||||
|
||||
coral.debug.assert(popped != null);
|
||||
env.discard(popped.?);
|
||||
}
|
||||
|
||||
try env.locals.push_one(concatenated_value);
|
||||
},
|
||||
|
||||
.bind => |bind| {
|
||||
const callable = try env.expect(try env.pop_local());
|
||||
|
||||
|
|
@ -792,8 +326,7 @@ pub fn execute(self: *Self, env: *kym.RuntimeEnv, frame: *const kym.Frame) kym.R
|
|||
|
||||
const value = try env.expect(try env.pop_local());
|
||||
|
||||
errdefer env.discard(value);
|
||||
|
||||
defer env.discard(box);
|
||||
try env.set_boxed(box, value);
|
||||
},
|
||||
|
||||
|
|
@ -1119,7 +652,7 @@ fn typeinfo_to_string(env: *kym.RuntimeEnv, userdata: []coral.io.Byte) coral.io.
|
|||
return env.to_string(@as(*Self, @ptrCast(@alignCast(userdata))).name);
|
||||
}
|
||||
|
||||
pub fn write(self: *Self, line: tokens.Line, opcode: Opcode) coral.io.AllocationError!void {
|
||||
pub fn write(self: *Self, line: u32, opcode: Opcode) coral.io.AllocationError!void {
|
||||
try self.opcodes.push_one(opcode);
|
||||
try self.lines.push_one(line);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,413 @@
|
|||
const Chunk = @import("./Chunk.zig");
|
||||
|
||||
const Expr = @import("./Expr.zig");
|
||||
|
||||
const Stmt = @import("./Stmt.zig");
|
||||
|
||||
const coral = @import("coral");
|
||||
|
||||
const kym = @import("../kym.zig");
|
||||
|
||||
const tree = @import("./tree.zig");
|
||||
|
||||
chunk: *Chunk,
|
||||
env: *kym.RuntimeEnv,
|
||||
|
||||
const Self = @This();
|
||||
|
||||
fn compile_argument(self: Self, environment: *const tree.Environment, initial_argument: ?*const Expr) kym.RuntimeError!u8 {
|
||||
// TODO: Exceeding 255 arguments will make the VM crash.
|
||||
var maybe_argument = initial_argument;
|
||||
var argument_count = @as(u8, 0);
|
||||
|
||||
while (maybe_argument) |argument| {
|
||||
try self.compile_expression(environment, argument, null);
|
||||
|
||||
maybe_argument = argument.next;
|
||||
argument_count += 1;
|
||||
}
|
||||
|
||||
return argument_count;
|
||||
}
|
||||
|
||||
fn compile_expression(self: Self, environment: *const tree.Environment, expression: *const Expr, name: ?[]const coral.io.Byte) kym.RuntimeError!void {
|
||||
const number_format = coral.utf8.DecimalFormat{
|
||||
.delimiter = "_",
|
||||
.positive_prefix = .none,
|
||||
};
|
||||
|
||||
switch (expression.kind) {
|
||||
.nil_literal => try self.chunk.write(expression.line, .push_nil),
|
||||
.true_literal => try self.chunk.write(expression.line, .push_true),
|
||||
.false_literal => try self.chunk.write(expression.line, .push_false),
|
||||
|
||||
.number_literal => |literal| {
|
||||
for (literal) |codepoint| {
|
||||
if (codepoint == '.') {
|
||||
return self.chunk.write(expression.line, .{
|
||||
.push_const = try self.declare_float(number_format.parse(literal, kym.Float) orelse unreachable),
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
try self.chunk.write(expression.line, .{
|
||||
.push_const = try self.declare_fixed(number_format.parse(literal, kym.Fixed) orelse unreachable),
|
||||
});
|
||||
},
|
||||
|
||||
.string_literal => |literal| {
|
||||
try self.chunk.write(expression.line, .{.push_const = try self.declare_string(literal)});
|
||||
},
|
||||
|
||||
.symbol_literal => |literal| {
|
||||
try self.chunk.write(expression.line, .{.push_const = try self.declare_symbol(literal)});
|
||||
},
|
||||
|
||||
.table_construct => |table_construct| {
|
||||
var table_entry = table_construct.entry;
|
||||
var field_count = @as(u32, 0);
|
||||
|
||||
while (table_entry) |entry| : (table_entry = entry.next) {
|
||||
try self.compile_expression(environment, entry, null);
|
||||
|
||||
if (entry.kind != .key_value) {
|
||||
try self.chunk.write(expression.line, .push_top);
|
||||
}
|
||||
|
||||
field_count += 1;
|
||||
}
|
||||
|
||||
try self.chunk.write(expression.line, .{.push_table = field_count});
|
||||
},
|
||||
|
||||
.key_value => |key_value| {
|
||||
try self.compile_expression(environment, key_value.value, null);
|
||||
try self.compile_expression(environment, key_value.key, null);
|
||||
},
|
||||
|
||||
.lambda_construct => |lambda_construct| {
|
||||
var chunk = try Chunk.make(self.env, name orelse "<lambda>", lambda_construct.environment);
|
||||
|
||||
errdefer chunk.free(self.env);
|
||||
|
||||
if (lambda_construct.environment.capture_count == 0) {
|
||||
try self.chunk.write(expression.line, .{.push_const = try self.declare_chunk(chunk)});
|
||||
} else {
|
||||
const lambda_captures = lambda_construct.environment.get_captures();
|
||||
var index = lambda_captures.len;
|
||||
|
||||
while (index != 0) {
|
||||
index -= 1;
|
||||
|
||||
try self.chunk.write(expression.line, switch (lambda_captures[index]) {
|
||||
.declaration_index => |declaration_index| .{.push_local = declaration_index},
|
||||
.capture_index => |capture_index| .{.push_binding = capture_index},
|
||||
});
|
||||
}
|
||||
|
||||
try self.chunk.write(expression.line, .{.push_const = try self.declare_chunk(chunk)});
|
||||
try self.chunk.write(expression.line, .{.bind = lambda_construct.environment.capture_count});
|
||||
}
|
||||
},
|
||||
|
||||
.binary_op => |binary_op| {
|
||||
try self.compile_expression(environment, binary_op.lhs_operand, null);
|
||||
try self.compile_expression(environment, binary_op.rhs_operand, null);
|
||||
|
||||
try self.chunk.write(expression.line, switch (binary_op.operation) {
|
||||
.addition => .add,
|
||||
.subtraction => .sub,
|
||||
.multiplication => .mul,
|
||||
.divsion => .div,
|
||||
.greater_equals_comparison => .cge,
|
||||
.greater_than_comparison => .cgt,
|
||||
.equals_comparison => .eql,
|
||||
.less_than_comparison => .clt,
|
||||
.less_equals_comparison => .cle,
|
||||
});
|
||||
},
|
||||
|
||||
.unary_op => |unary_op| {
|
||||
try self.compile_expression(environment, unary_op.operand, null);
|
||||
|
||||
try self.chunk.write(expression.line, switch (unary_op.operation) {
|
||||
.boolean_negation => .not,
|
||||
.numeric_negation => .neg,
|
||||
});
|
||||
},
|
||||
|
||||
.invoke => |invoke| {
|
||||
const argument_count = try self.compile_argument(environment, invoke.argument);
|
||||
|
||||
try self.compile_expression(environment, invoke.object, null);
|
||||
try self.chunk.write(expression.line, .{.call = argument_count});
|
||||
},
|
||||
|
||||
.group => |group| try self.compile_expression(environment, group, null),
|
||||
.import_builtin => try self.chunk.write(expression.line, .{.push_builtin = .import}),
|
||||
.print_builtin => try self.chunk.write(expression.line, .{.push_builtin = .print}),
|
||||
.vec2_builtin => try self.chunk.write(expression.line, .{.push_builtin = .vec2}),
|
||||
.vec3_builtin => try self.chunk.write(expression.line, .{.push_builtin = .vec3}),
|
||||
|
||||
.declaration_get => |declaration_get| {
|
||||
if (get_local_index(environment, declaration_get.declaration)) |index| {
|
||||
return self.chunk.write(expression.line, .{.push_local = index});
|
||||
}
|
||||
|
||||
if (try self.get_binding_index(environment, declaration_get.declaration)) |index| {
|
||||
try self.chunk.write(expression.line, .{.push_binding = index});
|
||||
|
||||
if (is_declaration_boxed(declaration_get.declaration)) {
|
||||
try self.chunk.write(expression.line, .get_box);
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
return self.env.raise(error.IllegalState, "local out of scope", .{});
|
||||
},
|
||||
|
||||
.declaration_set => |declaration_set| {
|
||||
if (get_local_index(environment, declaration_set.declaration)) |index| {
|
||||
try self.compile_expression(environment, declaration_set.assign, null);
|
||||
|
||||
return self.chunk.write(expression.line, .{.set_local = index});
|
||||
}
|
||||
|
||||
if (try self.get_binding_index(environment, declaration_set.declaration)) |index| {
|
||||
try self.chunk.write(expression.line, .{.push_binding = index});
|
||||
try self.compile_expression(environment, declaration_set.assign, null);
|
||||
|
||||
if (is_declaration_boxed(declaration_set.declaration)) {
|
||||
try self.chunk.write(expression.line, .set_box);
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
return self.env.raise(error.IllegalState, "local out of scope", .{});
|
||||
},
|
||||
|
||||
.field_get => |field_get| {
|
||||
try self.compile_expression(environment, field_get.object, null);
|
||||
try self.chunk.write(expression.line, .{.push_const = try self.declare_symbol(field_get.identifier)});
|
||||
try self.chunk.write(expression.line, .get_dynamic);
|
||||
},
|
||||
|
||||
.field_set => |field_set| {
|
||||
try self.compile_expression(environment, field_set.object, null);
|
||||
try self.chunk.write(expression.line, .{.push_const = try self.declare_symbol(field_set.identifier)});
|
||||
try self.compile_expression(environment, field_set.assign, null);
|
||||
try self.chunk.write(expression.line, .set_dynamic);
|
||||
},
|
||||
|
||||
.subscript_get => |subscript_get| {
|
||||
try self.compile_expression(environment, subscript_get.object, null);
|
||||
try self.compile_expression(environment, subscript_get.index, null);
|
||||
try self.chunk.write(expression.line, .get_dynamic);
|
||||
},
|
||||
|
||||
.subscript_set => |subscript_set| {
|
||||
try self.compile_expression(environment, subscript_set.object, null);
|
||||
try self.compile_expression(environment, subscript_set.index, null);
|
||||
try self.compile_expression(environment, subscript_set.assign, null);
|
||||
try self.chunk.write(expression.line, .set_dynamic);
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
pub fn compile_environment(self: Self, environment: *const tree.Environment) kym.RuntimeError!void {
|
||||
if (environment.statement) |statement| {
|
||||
const last_statement = try self.compile_statement(environment, statement);
|
||||
|
||||
if (last_statement.kind != .@"return") {
|
||||
try self.chunk.write(last_statement.line, .push_nil);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn compile_statement(self: Self, environment: *const tree.Environment, initial_statement: *const Stmt) kym.RuntimeError!*const Stmt {
|
||||
var current_statement = initial_statement;
|
||||
|
||||
while (true) {
|
||||
switch (current_statement.kind) {
|
||||
.@"return" => |@"return"| {
|
||||
if (@"return".returned_expression) |expression| {
|
||||
try self.compile_expression(environment, expression, null);
|
||||
} else {
|
||||
try self.chunk.write(current_statement.line, .push_nil);
|
||||
}
|
||||
|
||||
// TODO: Omit ret calls at ends of chunk.
|
||||
try self.chunk.write(current_statement.line, .ret);
|
||||
},
|
||||
|
||||
.@"while" => |@"while"| {
|
||||
try self.compile_expression(environment, @"while".loop_expression, null);
|
||||
try self.chunk.write(current_statement.line, .{.jf = 0});
|
||||
|
||||
const origin_index = @as(u32, @intCast(self.chunk.opcodes.values.len - 1));
|
||||
|
||||
_ = try self.compile_statement(environment, @"while".loop);
|
||||
self.chunk.opcodes.values[origin_index].jf = @intCast(self.chunk.opcodes.values.len - 1);
|
||||
|
||||
try self.compile_expression(environment, @"while".loop_expression, null);
|
||||
try self.chunk.write(current_statement.line, .{.jt = origin_index});
|
||||
},
|
||||
|
||||
.@"if" => |@"if"| {
|
||||
try self.compile_expression(environment, @"if".then_expression, null);
|
||||
try self.chunk.write(current_statement.line, .{.jf = 0});
|
||||
|
||||
const origin_index = @as(u32, @intCast(self.chunk.opcodes.values.len - 1));
|
||||
|
||||
_ = try self.compile_statement(environment, @"if".@"then");
|
||||
self.chunk.opcodes.values[origin_index].jf = @intCast(self.chunk.opcodes.values.len - 1);
|
||||
|
||||
if (@"if".@"else") |@"else"| {
|
||||
_ = try self.compile_statement(environment, @"else");
|
||||
}
|
||||
},
|
||||
|
||||
.declare => |declare| {
|
||||
try self.compile_expression(environment, declare.initial_expression, declare.declaration.identifier);
|
||||
|
||||
if (is_declaration_boxed(declare.declaration)) {
|
||||
try self.chunk.write(current_statement.line, .push_boxed);
|
||||
}
|
||||
},
|
||||
|
||||
.top_expression => |top_expression| {
|
||||
try self.compile_expression(environment, top_expression, null);
|
||||
|
||||
if (top_expression.kind == .invoke) {
|
||||
try self.chunk.write(current_statement.line, .pop);
|
||||
}
|
||||
},
|
||||
}
|
||||
|
||||
current_statement = current_statement.next orelse return current_statement;
|
||||
}
|
||||
}
|
||||
|
||||
const constants_max = @as(usize, coral.math.max_int(@typeInfo(u16).Int));
|
||||
|
||||
fn declare_chunk(self: Self, chunk: Chunk) kym.RuntimeError!u16 {
|
||||
if (self.chunk.constants.values.len == coral.math.max_int(@typeInfo(u16).Int)) {
|
||||
return self.env.raise(error.BadSyntax, "chunks cannot contain more than {max} constants", .{
|
||||
.max = @as(usize, coral.math.max_int(@typeInfo(u16).Int)),
|
||||
});
|
||||
}
|
||||
|
||||
const constant = try self.env.new_dynamic(coral.io.bytes_of(&chunk), Chunk.typeinfo);
|
||||
|
||||
errdefer self.env.discard(constant);
|
||||
|
||||
try self.chunk.constants.push_one(constant);
|
||||
|
||||
return @intCast(self.chunk.constants.values.len - 1);
|
||||
}
|
||||
|
||||
fn declare_fixed(self: Self, fixed: kym.Fixed) kym.RuntimeError!u16 {
|
||||
if (self.chunk.constants.values.len == constants_max) {
|
||||
return self.env.raise(error.BadSyntax, "chunks cannot contain more than {max} constants", .{
|
||||
.max = constants_max,
|
||||
});
|
||||
}
|
||||
|
||||
const constant = try self.env.new_fixed(fixed);
|
||||
|
||||
errdefer self.env.discard(constant);
|
||||
|
||||
try self.chunk.constants.push_one(constant);
|
||||
|
||||
return @intCast(self.chunk.constants.values.len - 1);
|
||||
}
|
||||
|
||||
fn declare_float(self: Self, float: kym.Float) kym.RuntimeError!u16 {
|
||||
if (self.chunk.constants.values.len == constants_max) {
|
||||
return self.env.raise(error.BadSyntax, "chunks cannot contain more than {max} constants", .{
|
||||
.max = constants_max,
|
||||
});
|
||||
}
|
||||
|
||||
const constant = try self.env.new_float(float);
|
||||
|
||||
errdefer self.env.discard(constant);
|
||||
|
||||
try self.chunk.constants.push_one(constant);
|
||||
|
||||
return @intCast(self.chunk.constants.values.len - 1);
|
||||
}
|
||||
|
||||
fn declare_string(self: Self, string: []const coral.io.Byte) kym.RuntimeError!u16 {
|
||||
if (self.chunk.constants.values.len == constants_max) {
|
||||
return self.env.raise(error.BadSyntax, "chunks cannot contain more than {max} constants", .{
|
||||
.max = constants_max,
|
||||
});
|
||||
}
|
||||
|
||||
const constant = try self.env.new_string(string);
|
||||
|
||||
errdefer self.env.discard(constant);
|
||||
|
||||
try self.chunk.constants.push_one(constant);
|
||||
|
||||
return @intCast(self.chunk.constants.values.len - 1);
|
||||
}
|
||||
|
||||
fn declare_symbol(self: Self, symbol: []const coral.io.Byte) kym.RuntimeError!u16 {
|
||||
if (self.chunk.constants.values.len == constants_max) {
|
||||
return self.env.raise(error.BadSyntax, "chunks cannot contain more than {max} constants", .{
|
||||
.max = constants_max,
|
||||
});
|
||||
}
|
||||
|
||||
const constant = try self.env.new_symbol(symbol);
|
||||
|
||||
errdefer self.env.discard(constant);
|
||||
|
||||
try self.chunk.constants.push_one(constant);
|
||||
|
||||
return @intCast(self.chunk.constants.values.len - 1);
|
||||
}
|
||||
|
||||
pub fn get_binding_index(self: *const Self, environment: *const tree.Environment, declaration: *const tree.Declaration) kym.RuntimeError!?u8 {
|
||||
var binding_index = @as(u8, 0);
|
||||
|
||||
while (binding_index < environment.capture_count) : (binding_index += 1) {
|
||||
var capture = &environment.captures[binding_index];
|
||||
var target_environment = environment.enclosing orelse return null;
|
||||
|
||||
while (capture.* == .capture_index) {
|
||||
capture = &target_environment.captures[capture.capture_index];
|
||||
target_environment = target_environment.enclosing orelse return null;
|
||||
}
|
||||
|
||||
try kym.assert(self.env, capture.* == .declaration_index);
|
||||
|
||||
if (&target_environment.declarations[capture.declaration_index] == declaration) {
|
||||
return binding_index;
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
pub fn get_local_index(environment: *const tree.Environment, declaration: *const tree.Declaration) ?u8 {
|
||||
var remaining = environment.declaration_count;
|
||||
|
||||
while (remaining != 0) {
|
||||
remaining -= 1;
|
||||
|
||||
if (&environment.declarations[remaining] == declaration) {
|
||||
return remaining;
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
fn is_declaration_boxed(declaration: *const tree.Declaration) bool {
|
||||
return declaration.is.captured and !declaration.is.readonly;
|
||||
}
|
||||
|
|
@ -2,12 +2,12 @@ const Stmt = @import("./Stmt.zig");
|
|||
|
||||
const coral = @import("coral");
|
||||
|
||||
const tokens = @import("../tokens.zig");
|
||||
const tokens = @import("./tokens.zig");
|
||||
|
||||
const tree = @import("../tree.zig");
|
||||
const tree = @import("./tree.zig");
|
||||
|
||||
next: ?*const Self = null,
|
||||
line: tokens.Line,
|
||||
line: u32,
|
||||
|
||||
kind: union (enum) {
|
||||
nil_literal,
|
||||
|
|
@ -15,7 +15,6 @@ kind: union (enum) {
|
|||
false_literal,
|
||||
number_literal: []const coral.io.Byte,
|
||||
string_literal: []const coral.io.Byte,
|
||||
string_template,
|
||||
symbol_literal: []const coral.io.Byte,
|
||||
table_construct: TableConstruct,
|
||||
key_value: KeyValue,
|
||||
|
|
@ -75,14 +74,14 @@ pub const BinaryOp = struct {
|
|||
stream.step();
|
||||
|
||||
if (stream.token == .end) {
|
||||
return root.report_error(stream.line, "expected other half of expression after `" ++ comptime token.text() ++ "`", .{});
|
||||
return root.report_error(stream, "expected other half of expression after `" ++ comptime token.text() ++ "`", .{});
|
||||
}
|
||||
|
||||
// TODO: Remove once Zig has fixed struct self-reassignment.
|
||||
const unnecessary_temp = expression;
|
||||
|
||||
expression = try root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
|
||||
.kind = .{
|
||||
.binary_op = .{
|
||||
|
|
@ -156,68 +155,6 @@ pub const TableConstruct = struct {
|
|||
entry: ?*const Self,
|
||||
};
|
||||
|
||||
const TemplateToken = union (enum) {
|
||||
invalid: []const coral.io.Byte,
|
||||
literal: []const coral.io.Byte,
|
||||
expression: []const coral.io.Byte,
|
||||
|
||||
fn extract(source: *[]const coral.io.Byte) ?TemplateToken {
|
||||
var cursor = @as(usize, 0);
|
||||
|
||||
defer source.* = source.*[cursor ..];
|
||||
|
||||
while (cursor < source.len) {
|
||||
switch (source.*[cursor]) {
|
||||
'{' => {
|
||||
cursor += 1;
|
||||
|
||||
while (true) : (cursor += 1) {
|
||||
if (cursor == source.len) {
|
||||
return .{.invalid = source.*[0 .. cursor]};
|
||||
}
|
||||
|
||||
if (source.*[cursor] == '}') {
|
||||
const token = TemplateToken{.expression = source.*[1 .. cursor]};
|
||||
|
||||
cursor += 1;
|
||||
|
||||
return token;
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
else => {
|
||||
cursor += 1;
|
||||
|
||||
while (true) : (cursor += 1) {
|
||||
if (cursor == source.len) {
|
||||
return .{.literal = source.*[0 .. cursor]};
|
||||
}
|
||||
|
||||
if (source.*[cursor] == '{') {
|
||||
const cursor_next = cursor + 1;
|
||||
|
||||
if (cursor_next == source.len) {
|
||||
return .{.invalid = source.*[0 .. cursor]};
|
||||
}
|
||||
|
||||
if (source.*[cursor_next] == '{') {
|
||||
cursor = cursor_next;
|
||||
|
||||
return .{.literal = source.*[0 .. cursor]};
|
||||
}
|
||||
|
||||
return .{.literal = source.*[0 .. cursor]};
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
};
|
||||
|
||||
pub const UnaryOp = struct {
|
||||
operand: *Self,
|
||||
operation: Operation,
|
||||
|
|
@ -235,16 +172,16 @@ pub fn parse(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Enviro
|
|||
stream.skip_newlines();
|
||||
|
||||
if (stream.token == .end) {
|
||||
return root.report_error(stream.line, "expected assignment after `=`", .{});
|
||||
return root.report_error(stream, "expected assignment after `=`", .{});
|
||||
}
|
||||
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
|
||||
.kind = switch (expression.kind) {
|
||||
.declaration_get => |declaration_get| convert: {
|
||||
if (declaration_get.declaration.is.readonly) {
|
||||
return root.report_error(stream.line, "readonly declarations cannot be re-assigned", .{});
|
||||
return root.report_error(stream, "readonly declarations cannot be re-assigned", .{});
|
||||
}
|
||||
|
||||
break: convert .{
|
||||
|
|
@ -271,7 +208,7 @@ pub fn parse(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Enviro
|
|||
},
|
||||
},
|
||||
|
||||
else => return root.report_error(stream.line, "expected local or field on left-hand side of expression", .{}),
|
||||
else => return root.report_error(stream, "expected local or field on left-hand side of expression", .{}),
|
||||
},
|
||||
});
|
||||
}
|
||||
|
|
@ -307,13 +244,13 @@ fn parse_factor(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Env
|
|||
const unnecessary_temp = expression;
|
||||
|
||||
expression = try root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
|
||||
.kind = .{
|
||||
.field_get = .{
|
||||
.identifier = switch (stream.token) {
|
||||
.identifier => |field_identifier| field_identifier,
|
||||
else => return root.report_error(stream.line, "expected identifier after `.`", .{}),
|
||||
else => return root.report_error(stream, "expected identifier after `.`", .{}),
|
||||
},
|
||||
|
||||
.object = unnecessary_temp,
|
||||
|
|
@ -331,7 +268,7 @@ fn parse_factor(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Env
|
|||
const unnecessary_temp = expression;
|
||||
|
||||
expression = try root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
|
||||
.kind = .{
|
||||
.subscript_get = .{
|
||||
|
|
@ -342,14 +279,14 @@ fn parse_factor(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Env
|
|||
});
|
||||
|
||||
if (stream.token != .symbol_bracket_right) {
|
||||
return root.report_error(stream.line, "expected closing `]` on subscript", .{});
|
||||
return root.report_error(stream, "expected closing `]` on subscript", .{});
|
||||
}
|
||||
|
||||
stream.skip_newlines();
|
||||
},
|
||||
|
||||
.symbol_paren_left => {
|
||||
const lines_stepped = stream.line;
|
||||
const lines_stepped = stream.lines_stepped;
|
||||
|
||||
stream.skip_newlines();
|
||||
|
||||
|
|
@ -364,7 +301,7 @@ fn parse_factor(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Env
|
|||
switch (stream.token) {
|
||||
.symbol_comma => stream.skip_newlines(),
|
||||
.symbol_paren_right => break,
|
||||
else => return root.report_error(stream.line, "expected `,` or `)` after lambda argument", .{}),
|
||||
else => return root.report_error(stream, "expected `,` or `)` after lambda argument", .{}),
|
||||
}
|
||||
|
||||
const next_argument = try parse(root, stream, environment);
|
||||
|
|
@ -406,13 +343,13 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
const expression = try parse(root, stream, environment);
|
||||
|
||||
if (stream.token != .symbol_paren_right) {
|
||||
return root.report_error(stream.line, "expected a closing `)` after expression", .{});
|
||||
return root.report_error(stream, "expected a closing `)` after expression", .{});
|
||||
}
|
||||
|
||||
stream.skip_newlines();
|
||||
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .{.group = expression},
|
||||
});
|
||||
},
|
||||
|
|
@ -421,7 +358,7 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
stream.skip_newlines();
|
||||
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .nil_literal,
|
||||
});
|
||||
},
|
||||
|
|
@ -430,7 +367,7 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
stream.skip_newlines();
|
||||
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .true_literal,
|
||||
});
|
||||
},
|
||||
|
|
@ -439,7 +376,7 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
stream.skip_newlines();
|
||||
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .false_literal,
|
||||
});
|
||||
},
|
||||
|
|
@ -448,7 +385,7 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
stream.skip_newlines();
|
||||
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .{.number_literal = value},
|
||||
});
|
||||
},
|
||||
|
|
@ -457,58 +394,50 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
stream.skip_newlines();
|
||||
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .{.string_literal = value},
|
||||
});
|
||||
},
|
||||
|
||||
.template_string => |value| {
|
||||
const line = stream.line;
|
||||
|
||||
stream.skip_newlines();
|
||||
|
||||
return parse_template(root, value, line, environment);
|
||||
},
|
||||
|
||||
.symbol_at => {
|
||||
stream.step();
|
||||
|
||||
const identifier = switch (stream.token) {
|
||||
.identifier => |identifier| identifier,
|
||||
else => return root.report_error(stream.line, "expected identifier after `@`", .{}),
|
||||
else => return root.report_error(stream, "expected identifier after `@`", .{}),
|
||||
};
|
||||
|
||||
stream.skip_newlines();
|
||||
|
||||
if (coral.io.are_equal(identifier, "import")) {
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .import_builtin,
|
||||
});
|
||||
}
|
||||
|
||||
if (coral.io.are_equal(identifier, "print")) {
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .print_builtin,
|
||||
});
|
||||
}
|
||||
|
||||
if (coral.io.are_equal(identifier, "vec2")) {
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .vec2_builtin,
|
||||
});
|
||||
}
|
||||
|
||||
if (coral.io.are_equal(identifier, "vec3")) {
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .vec3_builtin,
|
||||
});
|
||||
}
|
||||
|
||||
return root.report_error(stream.line, "unexpected identifier after `@`", .{});
|
||||
return root.report_error(stream, "unexpected identifier after `@`", .{});
|
||||
},
|
||||
|
||||
.symbol_period => {
|
||||
|
|
@ -516,13 +445,13 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
|
||||
const identifier = switch (stream.token) {
|
||||
.identifier => |identifier| identifier,
|
||||
else => return root.report_error(stream.line, "expected identifier after `.`", .{}),
|
||||
else => return root.report_error(stream, "expected identifier after `.`", .{}),
|
||||
};
|
||||
|
||||
stream.skip_newlines();
|
||||
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .{.symbol_literal = identifier},
|
||||
});
|
||||
},
|
||||
|
|
@ -531,12 +460,12 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
stream.skip_newlines();
|
||||
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
|
||||
.kind = .{
|
||||
.declaration_get = .{
|
||||
.declaration = (try environment.resolve_declaration(identifier)) orelse {
|
||||
return root.report_error(stream.line, "undefined identifier `{identifier}`", .{
|
||||
return root.report_error(stream, "undefined identifier `{identifier}`", .{
|
||||
.identifier = identifier,
|
||||
});
|
||||
}
|
||||
|
|
@ -549,7 +478,7 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
stream.skip_newlines();
|
||||
|
||||
if (stream.token != .symbol_paren_left) {
|
||||
return root.report_error(stream.line, "expected `(` after opening lambda block", .{});
|
||||
return root.report_error(stream, "expected `(` after opening lambda block", .{});
|
||||
}
|
||||
|
||||
stream.skip_newlines();
|
||||
|
|
@ -559,11 +488,11 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
while (stream.token != .symbol_paren_right) {
|
||||
const identifier = switch (stream.token) {
|
||||
.identifier => |identifier| identifier,
|
||||
else => return root.report_error(stream.line, "expected identifier", .{}),
|
||||
else => return root.report_error(stream, "expected identifier", .{}),
|
||||
};
|
||||
|
||||
_ = lambda_environment.declare_argument(identifier) catch |declare_error| {
|
||||
return root.report_declare_error(stream.line, identifier, declare_error);
|
||||
return root.report_declare_error(stream, identifier, declare_error);
|
||||
};
|
||||
|
||||
stream.skip_newlines();
|
||||
|
|
@ -571,14 +500,14 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
switch (stream.token) {
|
||||
.symbol_comma => stream.skip_newlines(),
|
||||
.symbol_paren_right => break,
|
||||
else => return root.report_error(stream.line, "expected `,` or `)` after identifier", .{}),
|
||||
else => return root.report_error(stream, "expected `,` or `)` after identifier", .{}),
|
||||
}
|
||||
}
|
||||
|
||||
stream.skip_newlines();
|
||||
|
||||
if (stream.token != .symbol_colon) {
|
||||
return root.report_error(stream.line, "expected `:` after closing `)` of lambda identifiers", .{});
|
||||
return root.report_error(stream, "expected `:` after closing `)` of lambda identifiers", .{});
|
||||
}
|
||||
|
||||
stream.skip_newlines();
|
||||
|
|
@ -600,7 +529,7 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
stream.skip_newlines();
|
||||
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .{.lambda_construct = .{.environment = lambda_environment}},
|
||||
});
|
||||
},
|
||||
|
|
@ -610,7 +539,7 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
|
||||
if (stream.token == .symbol_brace_right) {
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .{.table_construct = .{.entry = null}},
|
||||
});
|
||||
}
|
||||
|
|
@ -632,13 +561,13 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
}
|
||||
|
||||
if (stream.token != .symbol_brace_right) {
|
||||
return root.report_error(stream.line, "expected closing `}` on table construct", .{});
|
||||
return root.report_error(stream, "expected closing `}` on table construct", .{});
|
||||
}
|
||||
|
||||
stream.skip_newlines();
|
||||
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .{.table_construct = .{.entry = first_entry}},
|
||||
});
|
||||
},
|
||||
|
|
@ -647,7 +576,7 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
stream.skip_newlines();
|
||||
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
|
||||
.kind = .{
|
||||
.unary_op = .{
|
||||
|
|
@ -662,7 +591,7 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
stream.skip_newlines();
|
||||
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
|
||||
.kind = .{
|
||||
.unary_op = .{
|
||||
|
|
@ -673,7 +602,7 @@ fn parse_operand(root: *tree.Root, stream: *tokens.Stream, environment: *tree.En
|
|||
});
|
||||
},
|
||||
|
||||
else => return root.report_error(stream.line, "unexpected token in expression", .{}),
|
||||
else => return root.report_error(stream, "unexpected token in expression", .{}),
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -684,26 +613,26 @@ fn parse_table_entry(root: *tree.Root, stream: *tokens.Stream, environment: *tre
|
|||
|
||||
const field = switch (stream.token) {
|
||||
.identifier => |identifier| identifier,
|
||||
else => return root.report_error(stream.line, "expected identifier in field symbol literal", .{}),
|
||||
else => return root.report_error(stream, "expected identifier in field symbol literal", .{}),
|
||||
};
|
||||
|
||||
stream.skip_newlines();
|
||||
|
||||
if (stream.token != .symbol_equals) {
|
||||
return root.report_error(stream.line, "expected `=` after table symbol key", .{});
|
||||
return root.report_error(stream, "expected `=` after table symbol key", .{});
|
||||
}
|
||||
|
||||
stream.skip_newlines();
|
||||
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
|
||||
.kind = .{
|
||||
.key_value = .{
|
||||
.value = try parse(root, stream, environment),
|
||||
|
||||
.key = try root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .{.symbol_literal = field},
|
||||
}),
|
||||
},
|
||||
|
|
@ -717,19 +646,19 @@ fn parse_table_entry(root: *tree.Root, stream: *tokens.Stream, environment: *tre
|
|||
const key = try parse(root, stream, environment);
|
||||
|
||||
if (stream.token != .symbol_bracket_right) {
|
||||
return root.report_error(stream.line, "expected `]` after subscript index expression", .{});
|
||||
return root.report_error(stream, "expected `]` after subscript index expression", .{});
|
||||
}
|
||||
|
||||
stream.skip_newlines();
|
||||
|
||||
if (stream.token != .symbol_equals) {
|
||||
return root.report_error(stream.line, "expected `=` after table expression key", .{});
|
||||
return root.report_error(stream, "expected `=` after table expression key", .{});
|
||||
}
|
||||
|
||||
stream.skip_newlines();
|
||||
|
||||
return root.create_expr(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
|
||||
.kind = .{
|
||||
.key_value = .{
|
||||
|
|
@ -744,45 +673,6 @@ fn parse_table_entry(root: *tree.Root, stream: *tokens.Stream, environment: *tre
|
|||
}
|
||||
}
|
||||
|
||||
fn parse_template(root: *tree.Root, template: []const coral.io.Byte, line: tokens.Line, environment: *tree.Environment) tree.ParseError!*Self {
|
||||
const expression_head = try root.create_expr(.{
|
||||
.line = line,
|
||||
.kind = .string_template,
|
||||
});
|
||||
|
||||
var expression_tail = expression_head;
|
||||
var source = template;
|
||||
|
||||
while (TemplateToken.extract(&source)) |token| {
|
||||
const expression = try switch (token) {
|
||||
.invalid => |invalid| root.report_error(line, "invalid template format: `{invalid}`", .{
|
||||
.invalid = invalid,
|
||||
}),
|
||||
|
||||
.literal => |literal| root.create_expr(.{
|
||||
.line = line,
|
||||
.kind = .{.string_literal = literal},
|
||||
}),
|
||||
|
||||
.expression => |expression| create: {
|
||||
var stream = tokens.Stream{
|
||||
.source = expression,
|
||||
.line = line,
|
||||
};
|
||||
|
||||
stream.step();
|
||||
|
||||
break: create try parse(root, &stream, environment);
|
||||
},
|
||||
};
|
||||
|
||||
expression_tail.next = expression;
|
||||
expression_tail = expression;
|
||||
}
|
||||
|
||||
return expression_head;
|
||||
}
|
||||
|
||||
const parse_term = BinaryOp.parser(parse_factor, &.{
|
||||
.multiplication,
|
||||
.divsion,
|
||||
|
|
@ -2,12 +2,12 @@ const Expr = @import("./Expr.zig");
|
|||
|
||||
const coral = @import("coral");
|
||||
|
||||
const tokens = @import("../tokens.zig");
|
||||
const tokens = @import("./tokens.zig");
|
||||
|
||||
const tree = @import("../tree.zig");
|
||||
const tree = @import("./tree.zig");
|
||||
|
||||
next: ?*const Self = null,
|
||||
line: tokens.Line,
|
||||
line: u32,
|
||||
|
||||
kind: union (enum) {
|
||||
top_expression: *const Expr,
|
||||
|
|
@ -46,17 +46,17 @@ pub fn parse(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Enviro
|
|||
|
||||
if (stream.token != .end and stream.token != .newline) {
|
||||
return root.create_stmt(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .{.@"return" = .{.returned_expression = try Expr.parse(root, stream, environment)}},
|
||||
});
|
||||
}
|
||||
|
||||
if (stream.token != .end and stream.token != .newline) {
|
||||
return root.report_error(stream.line, "expected end or newline after return statement", .{});
|
||||
return root.report_error(stream, "expected end or newline after return statement", .{});
|
||||
}
|
||||
|
||||
return root.create_stmt(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .{.@"return" = .{.returned_expression = null}},
|
||||
});
|
||||
},
|
||||
|
|
@ -69,7 +69,7 @@ pub fn parse(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Enviro
|
|||
const condition_expression = try Expr.parse(root, stream, environment);
|
||||
|
||||
if (stream.token != .symbol_colon) {
|
||||
return root.report_error(stream.line, "expected `:` after `while` statement", .{});
|
||||
return root.report_error(stream, "expected `:` after `while` statement", .{});
|
||||
}
|
||||
|
||||
stream.skip_newlines();
|
||||
|
|
@ -88,7 +88,7 @@ pub fn parse(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Enviro
|
|||
}
|
||||
|
||||
return root.create_stmt(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
|
||||
.kind = .{
|
||||
.@"while" = .{
|
||||
|
|
@ -106,13 +106,13 @@ pub fn parse(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Enviro
|
|||
|
||||
const identifier = switch (stream.token) {
|
||||
.identifier => |identifier| identifier,
|
||||
else => return root.report_error(stream.line, "expected identifier after declaration", .{}),
|
||||
else => return root.report_error(stream, "expected identifier after declaration", .{}),
|
||||
};
|
||||
|
||||
stream.skip_newlines();
|
||||
|
||||
if (stream.token != .symbol_equals) {
|
||||
return root.report_error(stream.line, "expected `=` after declaration `{identifier}`", .{
|
||||
return root.report_error(stream, "expected `=` after declaration `{identifier}`", .{
|
||||
.identifier = identifier,
|
||||
});
|
||||
}
|
||||
|
|
@ -120,7 +120,7 @@ pub fn parse(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Enviro
|
|||
stream.skip_newlines();
|
||||
|
||||
return root.create_stmt(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
|
||||
.kind = .{
|
||||
.declare = .{
|
||||
|
|
@ -129,12 +129,12 @@ pub fn parse(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Enviro
|
|||
.declaration = declare: {
|
||||
if (is_constant) {
|
||||
break: declare environment.declare_constant(identifier) catch |declaration_error| {
|
||||
return root.report_declare_error(stream.line, identifier, declaration_error);
|
||||
return root.report_declare_error(stream, identifier, declaration_error);
|
||||
};
|
||||
}
|
||||
|
||||
break: declare environment.declare_variable(identifier) catch |declaration_error| {
|
||||
return root.report_declare_error(stream.line, identifier, declaration_error);
|
||||
return root.report_declare_error(stream, identifier, declaration_error);
|
||||
};
|
||||
},
|
||||
},
|
||||
|
|
@ -145,7 +145,7 @@ pub fn parse(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Enviro
|
|||
.keyword_if => return parse_branch(root, stream, environment),
|
||||
|
||||
else => return root.create_stmt(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
.kind = .{.top_expression = try Expr.parse(root, stream, environment)},
|
||||
}),
|
||||
}
|
||||
|
|
@ -157,7 +157,7 @@ fn parse_branch(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Env
|
|||
const expression = try Expr.parse(root, stream, environment);
|
||||
|
||||
if (stream.token != .symbol_colon) {
|
||||
return root.report_error(stream.line, "expected `:` after `{token}`", .{.token = stream.token.text()});
|
||||
return root.report_error(stream, "expected `:` after `{token}`", .{.token = stream.token.text()});
|
||||
}
|
||||
|
||||
stream.skip_newlines();
|
||||
|
|
@ -171,7 +171,7 @@ fn parse_branch(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Env
|
|||
stream.skip_newlines();
|
||||
|
||||
return root.create_stmt(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
|
||||
.kind = .{
|
||||
.@"if" = .{
|
||||
|
|
@ -187,7 +187,7 @@ fn parse_branch(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Env
|
|||
stream.step();
|
||||
|
||||
if (stream.token != .symbol_colon) {
|
||||
return root.report_error(stream.line, "expected `:` after `if` statement condition", .{});
|
||||
return root.report_error(stream, "expected `:` after `if` statement condition", .{});
|
||||
}
|
||||
|
||||
stream.skip_newlines();
|
||||
|
|
@ -205,7 +205,7 @@ fn parse_branch(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Env
|
|||
stream.skip_newlines();
|
||||
|
||||
return root.create_stmt(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
|
||||
.kind = .{
|
||||
.@"if" = .{
|
||||
|
|
@ -219,7 +219,7 @@ fn parse_branch(root: *tree.Root, stream: *tokens.Stream, environment: *tree.Env
|
|||
|
||||
.keyword_elif => {
|
||||
return root.create_stmt(.{
|
||||
.line = stream.line,
|
||||
.line = stream.lines_stepped,
|
||||
|
||||
.kind = .{
|
||||
.@"if" = .{
|
||||
|
|
@ -1,9 +1,5 @@
|
|||
const coral = @import("coral");
|
||||
|
||||
pub const Line = struct {
|
||||
number: u32,
|
||||
};
|
||||
|
||||
pub const Token = union(enum) {
|
||||
end,
|
||||
unknown: coral.io.Byte,
|
||||
|
|
@ -35,7 +31,6 @@ pub const Token = union(enum) {
|
|||
|
||||
number: []const coral.io.Byte,
|
||||
string: []const coral.io.Byte,
|
||||
template_string: []const coral.io.Byte,
|
||||
|
||||
keyword_nil,
|
||||
keyword_false,
|
||||
|
|
@ -86,7 +81,6 @@ pub const Token = union(enum) {
|
|||
|
||||
.number => |literal| literal,
|
||||
.string => |literal| literal,
|
||||
.template_string => |literal| literal,
|
||||
|
||||
.keyword_const => "const",
|
||||
.keyword_nil => "nil",
|
||||
|
|
@ -109,7 +103,7 @@ pub const Token = union(enum) {
|
|||
|
||||
pub const Stream = struct {
|
||||
source: []const coral.io.Byte,
|
||||
line: Line = .{.number = 1},
|
||||
lines_stepped: u32 = 1,
|
||||
token: Token = .newline,
|
||||
|
||||
pub fn skip_newlines(self: *Stream) void {
|
||||
|
|
@ -140,7 +134,7 @@ pub const Stream = struct {
|
|||
'\n' => {
|
||||
cursor += 1;
|
||||
self.token = .newline;
|
||||
self.line.number += 1;
|
||||
self.lines_stepped += 1;
|
||||
|
||||
return;
|
||||
},
|
||||
|
|
@ -311,22 +305,6 @@ pub const Stream = struct {
|
|||
return;
|
||||
},
|
||||
|
||||
'`' => {
|
||||
cursor += 1;
|
||||
|
||||
const begin = cursor;
|
||||
|
||||
while (cursor < self.source.len) switch (self.source[cursor]) {
|
||||
'`' => break,
|
||||
else => cursor += 1,
|
||||
};
|
||||
|
||||
self.token = .{.template_string = self.source[begin .. cursor]};
|
||||
cursor += 1;
|
||||
|
||||
return;
|
||||
},
|
||||
|
||||
'"' => {
|
||||
cursor += 1;
|
||||
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
pub const Expr = @import("./tree/Expr.zig");
|
||||
const Expr = @import("./Expr.zig");
|
||||
|
||||
pub const Stmt = @import("./tree/Stmt.zig");
|
||||
const Stmt = @import("./Stmt.zig");
|
||||
|
||||
const coral = @import("coral");
|
||||
|
||||
|
|
@ -163,22 +163,22 @@ pub const Root = struct {
|
|||
|
||||
const MessageList = coral.list.Stack([]coral.io.Byte);
|
||||
|
||||
pub fn report_error(self: *Root, line: tokens.Line, comptime format: []const u8, args: anytype) ParseError {
|
||||
pub fn report_error(self: *Root, stream: *tokens.Stream, comptime format: []const u8, args: anytype) ParseError {
|
||||
const allocator = self.arena.as_allocator();
|
||||
|
||||
try self.error_messages.push_one(try coral.utf8.alloc_formatted(allocator, "{line_number}: {message}", .{
|
||||
try self.error_messages.push_one(try coral.utf8.alloc_formatted(allocator, "{line}: {message}", .{
|
||||
.message = try coral.utf8.alloc_formatted(allocator, format, args),
|
||||
.line_number = line.number,
|
||||
.line = stream.lines_stepped,
|
||||
}));
|
||||
|
||||
return error.BadSyntax;
|
||||
}
|
||||
|
||||
pub fn report_declare_error(self: *Root, line: tokens.Line, identifier: []const coral.io.Byte, @"error": Environment.DeclareError) ParseError {
|
||||
pub fn report_declare_error(self: *Root, stream: *tokens.Stream, identifier: []const coral.io.Byte, @"error": Environment.DeclareError) ParseError {
|
||||
return switch (@"error") {
|
||||
error.OutOfMemory => error.OutOfMemory,
|
||||
|
||||
error.DeclarationExists => self.report_error(line, "declaration `{identifier}` already exists", .{
|
||||
error.DeclarationExists => self.report_error(stream, "declaration `{identifier}` already exists", .{
|
||||
.identifier = identifier,
|
||||
}),
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue