mirror of
https://github.com/ziglang/zig.git
synced 2024-11-13 23:52:57 +00:00
tools: implement more lldb pretty printers
This commit is contained in:
Jacob Young
parent
9e51972701
commit
a3529c2dea
@ -1595,16 +1595,17 @@ pub fn HashMapUnmanaged(
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self.available = 0;
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}
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/// This function is used in tools/zig-gdb.py to fetch the header type to facilitate
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/// fancy debug printing for this type.
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fn gdbHelper(self: *Self, hdr: *Header) void {
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/// This function is used in the debugger pretty formatters in tools/ to fetch the
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/// header type to facilitate fancy debug printing for this type.
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fn dbHelper(self: *Self, hdr: *Header, entry: *Entry) void {
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_ = self;
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_ = hdr;
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_ = entry;
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}
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comptime {
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if (builtin.mode == .Debug) {
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_ = gdbHelper;
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_ = dbHelper;
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}
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}
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};
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@ -131,8 +131,8 @@ pub fn MultiArrayList(comptime S: type) type {
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.capacity = self.capacity,
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};
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var ptr: [*]u8 = self.bytes;
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for (sizes.bytes, 0..) |field_size, i| {
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result.ptrs[sizes.fields[i]] = ptr;
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for (sizes.bytes, sizes.fields) |field_size, i| {
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result.ptrs[i] = ptr;
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ptr += field_size * self.capacity;
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}
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return result;
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@ -446,16 +446,33 @@ pub fn MultiArrayList(comptime S: type) type {
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return meta.fieldInfo(S, field).type;
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}
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/// This function is used in tools/zig-gdb.py to fetch the child type to facilitate
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/// fancy debug printing for this type.
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fn gdbHelper(self: *Self, child: *S) void {
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const Entry = entry: {
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var entry_fields: [fields.len]std.builtin.Type.StructField = undefined;
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for (&entry_fields, sizes.fields) |*entry_field, i| entry_field.* = .{
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.name = fields[i].name ++ "_ptr",
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.type = *fields[i].type,
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.default_value = null,
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.is_comptime = fields[i].is_comptime,
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.alignment = fields[i].alignment,
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};
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break :entry @Type(.{ .Struct = .{
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.layout = .Extern,
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.fields = &entry_fields,
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.decls = &.{},
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.is_tuple = false,
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} });
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};
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/// This function is used in the debugger pretty formatters in tools/ to fetch the
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/// child type to facilitate fancy debug printing for this type.
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fn dbHelper(self: *Self, child: *S, entry: *Entry) void {
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_ = self;
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_ = child;
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_ = entry;
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}
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comptime {
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if (builtin.mode == .Debug) {
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_ = gdbHelper;
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_ = dbHelper;
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}
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}
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};
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30
src/type.zig
30
src/type.zig
@ -1,4 +1,5 @@
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const std = @import("std");
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const builtin = @import("builtin");
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const Value = @import("value.zig").Value;
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const assert = std.debug.assert;
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const Allocator = std.mem.Allocator;
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@ -6694,4 +6695,33 @@ pub const Type = extern union {
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/// This is only used for comptime asserts. Bump this number when you make a change
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/// to packed struct layout to find out all the places in the codebase you need to edit!
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pub const packed_struct_layout_version = 2;
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/// This function is used in the debugger pretty formatters in tools/ to fetch the
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/// Tag to Payload mapping to facilitate fancy debug printing for this type.
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fn dbHelper(self: *Type, tag_to_payload_map: *map: {
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const tags = @typeInfo(Tag).Enum.fields;
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var fields: [tags.len]std.builtin.Type.StructField = undefined;
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for (&fields, tags) |*field, t| field.* = .{
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.name = t.name,
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.type = *if (t.value < Tag.no_payload_count) void else @field(Tag, t.name).Type(),
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.default_value = null,
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.is_comptime = false,
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.alignment = 0,
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};
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break :map @Type(.{ .Struct = .{
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.layout = .Extern,
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.fields = &fields,
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.decls = &.{},
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.is_tuple = false,
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} });
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}) void {
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_ = self;
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_ = tag_to_payload_map;
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}
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comptime {
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if (builtin.mode == .Debug) {
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_ = dbHelper;
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}
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}
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};
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@ -1,4 +1,5 @@
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const std = @import("std");
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const builtin = @import("builtin");
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const Type = @import("type.zig").Type;
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const log2 = std.math.log2;
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const assert = std.debug.assert;
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@ -5584,6 +5585,35 @@ pub const Value = extern union {
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ri.* = @intToEnum(RuntimeIndex, @enumToInt(ri.*) + 1);
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}
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};
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/// This function is used in the debugger pretty formatters in tools/ to fetch the
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/// Tag to Payload mapping to facilitate fancy debug printing for this type.
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fn dbHelper(self: *Value, tag_to_payload_map: *map: {
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const tags = @typeInfo(Tag).Enum.fields;
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var fields: [tags.len]std.builtin.Type.StructField = undefined;
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for (&fields, tags) |*field, t| field.* = .{
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.name = t.name,
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.type = *if (t.value < Tag.no_payload_count) void else @field(Tag, t.name).Type(),
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.default_value = null,
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.is_comptime = false,
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.alignment = 0,
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};
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break :map @Type(.{ .Struct = .{
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.layout = .Extern,
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.fields = &fields,
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.decls = &.{},
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.is_tuple = false,
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} });
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}) void {
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_ = self;
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_ = tag_to_payload_map;
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}
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comptime {
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if (builtin.mode == .Debug) {
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_ = dbHelper;
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}
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}
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};
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var negative_one_payload: Value.Payload.I64 = .{
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575
tools/lldb_pretty_printers.py
Normal file
575
tools/lldb_pretty_printers.py
Normal file
@ -0,0 +1,575 @@
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# pretty printing for the zig language, zig standard library, and zig stage 2 compiler.
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# put commands in ~/.lldbinit to run them automatically when starting lldb
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# `command script /path/to/stage2_lldb_pretty_printers.py` to import this file
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# `type category enable zig` to enable pretty printing for the zig language
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# `type category enable zig.std` to enable pretty printing for the zig standard library
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# `type category enable zig.stage2` to enable pretty printing for the zig stage 2 compiler
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import lldb
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import re
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page_size = 1 << 12
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def log2_int(i): return i.bit_length() - 1
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# Define Zig Language
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zig_keywords = {
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'addrspace',
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'align',
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'allowzero',
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'and',
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'anyframe',
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'anytype',
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'asm',
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'async',
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'await',
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'break',
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'callconv',
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'catch',
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'comptime',
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'const',
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'continue',
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'defer',
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'else',
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'enum',
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'errdefer',
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'error',
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'export',
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'extern',
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'fn',
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'for',
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'if',
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'inline',
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'noalias',
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'noinline',
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'nosuspend',
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'opaque',
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'or',
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'orelse',
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'packed',
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'pub',
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'resume',
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'return',
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'linksection',
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'struct',
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'suspend',
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'switch',
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'test',
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'threadlocal',
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'try',
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'union',
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'unreachable',
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'usingnamespace',
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'var',
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'volatile',
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'while',
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}
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zig_primitives = {
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'anyerror',
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'anyframe',
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'anyopaque',
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'bool',
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'c_int',
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'c_long',
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'c_longdouble',
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'c_longlong',
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'c_short',
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'c_uint',
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'c_ulong',
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'c_ulonglong',
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'c_ushort',
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'comptime_float',
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'comptime_int',
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'f128',
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'f16',
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'f32',
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'f64',
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'f80',
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'false',
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'isize',
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'noreturn',
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'null',
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'true',
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'type',
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'undefined',
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'usize',
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'void',
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}
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zig_integer_type = re.compile('[iu][1-9][0-9]+')
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zig_identifier_regex = re.compile('[A-Z_a-z][0-9A-Z_a-z]*')
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def zig_IsVariableName(string): return string != '_' and string not in zig_keywords and string not in zig_primitives and not zig_integer_type.fullmatch(string) and zig_identifier_regex.fullmatch(string)
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def zig_IsFieldName(string): return string not in zig_keywords and zig_identifier_regex.fullmatch(string)
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class zig_Slice_SynthProvider:
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def __init__(self, value, _=None): self.value = value
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def update(self):
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try:
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self.ptr = self.value.GetChildMemberWithName('ptr')
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self.len = self.value.GetChildMemberWithName('len').unsigned if self.ptr.unsigned > page_size else 0
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self.elem_type = self.ptr.type.GetPointeeType()
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self.elem_size = self.elem_type.size
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except: pass
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def has_children(self): return True
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def num_children(self): return self.len or 0
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def get_child_index(self, name):
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try: return int(name.removeprefix('[').removesuffix(']'))
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except: return -1
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def get_child_at_index(self, index):
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if index < 0 or index >= self.len: return None
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try: return self.ptr.CreateChildAtOffset('[%d]' % index, index * self.elem_size, self.elem_type)
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except: return None
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def zig_String_decode(value, offset=0, length=None):
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try:
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value = value.GetNonSyntheticValue()
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data = value.GetChildMemberWithName('ptr').GetPointeeData(offset, length if length is not None else value.GetChildMemberWithName('len').unsigned)
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b = bytes(data.uint8)
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b = b.replace(b'\\', b'\\\\')
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b = b.replace(b'\n', b'\\n')
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b = b.replace(b'\r', b'\\r')
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b = b.replace(b'\t', b'\\t')
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b = b.replace(b'"', b'\\"')
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b = b.replace(b'\'', b'\\\'')
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s = b.decode(encoding='ascii', errors='backslashreplace')
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return s if s.isprintable() else ''.join((c if c.isprintable() else '\\x%02x' % ord(c) for c in s))
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except: return None
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def zig_String_SummaryProvider(value, _=None): return '"%s"' % zig_String_decode(value)
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def zig_String_AsIdentifier(value, pred):
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string = zig_String_decode(value)
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return string if pred(string) else '@"%s"' % string
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class zig_Optional_SynthProvider:
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def __init__(self, value, _=None): self.value = value
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def update(self):
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try:
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self.child = self.value.GetChildMemberWithName('some').unsigned == 1 and self.value.GetChildMemberWithName('data').Clone('child')
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except: pass
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def has_children(self): return bool(self.child)
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def num_children(self): return int(self.child)
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def get_child_index(self, name): return 0 if self.child and (name == 'child' or name == '?') else -1
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def get_child_at_index(self, index): return self.child if self.child and index == 0 else None
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def zig_Optional_SummaryProvider(value, _=None):
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child = value.GetChildMemberWithName('child')
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return child or 'null'
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class zig_ErrorUnion_SynthProvider:
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def __init__(self, value, _=None): self.value = value
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def update(self):
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try:
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self.error_set = self.value.GetChildMemberWithName('tag').Clone('error_set')
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self.payload = self.value.GetChildMemberWithName('value').Clone('payload') if self.error_set.unsigned == 0 else None
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except: pass
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def has_children(self): return True
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def num_children(self): return 1
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def get_child_index(self, name): return 0 if name == ('payload' if self.payload else 'error_set') else -1
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def get_child_at_index(self, index): return self.payload or self.error_set if index == 0 else None
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# Define Zig Standard Library
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class std_SegmentedList_SynthProvider:
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def __init__(self, value, _=None): self.value = value
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def update(self):
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try:
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self.prealloc_segment = self.value.GetChildMemberWithName('prealloc_segment')
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self.dynamic_segments = zig_Slice_SynthProvider(self.value.GetChildMemberWithName('dynamic_segments'))
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self.dynamic_segments.update()
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self.len = self.value.GetChildMemberWithName('len').unsigned
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except: pass
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def has_children(self): return True
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def num_children(self): return self.len
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def get_child_index(self, name):
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try: return int(name.removeprefix('[').removesuffix(']'))
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except: return -1
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def get_child_at_index(self, index):
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try:
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if index < 0 or index >= self.len: return None
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prealloc_item_count = len(self.prealloc_segment)
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if index < prealloc_item_count: return self.prealloc_segment.child[index]
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prealloc_exp = prealloc_item_count.bit_length() - 1
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shelf_index = log2_int(index + 1) if prealloc_item_count == 0 else log2_int(index + prealloc_item_count) - prealloc_exp - 1
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shelf = self.dynamic_segments.get_child_at_index(shelf_index)
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box_index = (index + 1) - (1 << shelf_index) if prealloc_item_count == 0 else index + prealloc_item_count - (1 << ((prealloc_exp + 1) + shelf_index))
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elem_type = shelf.type.GetPointeeType()
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return shelf.CreateChildAtOffset('[%d]' % index, box_index * elem_type.size, elem_type)
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except: return None
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class std_MultiArrayList_SynthProvider:
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def __init__(self, value, _=None): self.value = value
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def update(self):
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try:
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self.len = 0
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value_type = self.value.type
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for helper in self.value.target.FindFunctions('%s.dbHelper' % value_type.name, lldb.eFunctionNameTypeFull):
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ptr_self_type, ptr_child_type, ptr_entry_type = helper.function.type.GetFunctionArgumentTypes()
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if ptr_self_type.GetPointeeType() == value_type: break
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else: return
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self.entry_type = ptr_entry_type.GetPointeeType()
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self.bytes = self.value.GetChildMemberWithName('bytes')
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self.len = self.value.GetChildMemberWithName('len').unsigned
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self.capacity = self.value.GetChildMemberWithName('capacity').unsigned
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except: pass
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def has_children(self): return True
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def num_children(self): return self.len
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def get_child_index(self, name):
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try: return int(name.removeprefix('[').removesuffix(']'))
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except: return -1
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def get_child_at_index(self, index):
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try:
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if index < 0 or index >= self.len: return None
|
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offset = 0
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data = lldb.SBData()
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for field in self.entry_type.fields:
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ptr_field_type = field.type
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field_size = ptr_field_type.GetPointeeType().size
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data.Append(self.bytes.CreateChildAtOffset(field.name, offset + index * field_size, ptr_field_type).address_of.data)
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offset += self.capacity * field_size
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return self.bytes.CreateValueFromData('[%d]' % index, data, self.entry_type)
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except: return None
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class std_HashMapUnmanaged_SynthProvider:
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def __init__(self, value, _=None): self.value = value
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def update(self):
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try:
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self.capacity = 0
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self.indices = tuple()
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|
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self.metadata = self.value.GetChildMemberWithName('metadata')
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if not self.metadata.unsigned: return
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|
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value_type = self.value.type
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for helper in self.value.target.FindFunctions('%s.dbHelper' % value_type.name, lldb.eFunctionNameTypeFull):
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ptr_self_type, ptr_hdr_type, ptr_entry_type = helper.function.type.GetFunctionArgumentTypes()
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if ptr_self_type.GetPointeeType() == value_type: break
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else: return
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self.entry_type = ptr_entry_type.GetPointeeType()
|
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|
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hdr_type = ptr_hdr_type.GetPointeeType()
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hdr = self.metadata.CreateValueFromAddress('header', self.metadata.deref.load_addr - hdr_type.size, hdr_type)
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self.values = hdr.GetChildMemberWithName('values')
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self.keys = hdr.GetChildMemberWithName('keys')
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self.capacity = hdr.GetChildMemberWithName('capacity').unsigned
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self.indices = tuple(i for i, value in enumerate(self.metadata.GetPointeeData(0, self.capacity).sint8) if value < 0)
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except: pass
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def has_children(self): return True
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def num_children(self): return len(self.indices)
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def get_capacity(self): return self.capacity
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def get_child_index(self, name):
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try: return int(name.removeprefix('[').removesuffix(']'))
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except: return -1
|
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def get_child_at_index(self, index):
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try:
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fields = {name: base.CreateChildAtOffset(name, self.indices[index] * pointee_type.size, pointee_type).address_of.data for name, base, pointee_type in ((name, base, base.type.GetPointeeType()) for name, base in (('key_ptr', self.keys), ('value_ptr', self.values)))}
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data = lldb.SBData()
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for field in self.entry_type.fields: data.Append(fields[field.name])
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return self.metadata.CreateValueFromData('[%d]' % index, data, self.entry_type)
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except: return None
|
||||
def std_HashMapUnmanaged_SummaryProvider(value, _=None):
|
||||
synth = std_HashMapUnmanaged_SynthProvider(value.GetNonSyntheticValue(), _)
|
||||
synth.update()
|
||||
return 'len=%d capacity=%d' % (synth.num_children(), synth.get_capacity())
|
||||
|
||||
# formats a struct of fields of the form `name_ptr: *Type` by auto dereferencing its fields
|
||||
class std_Entry_SynthProvider:
|
||||
def __init__(self, value, _=None): self.value = value
|
||||
def update(self):
|
||||
try:
|
||||
self.children = tuple(child.Clone(child.name.removesuffix('_ptr')) for child in self.value.children if child.type.GetPointeeType().size != 0)
|
||||
self.indices = {child.name: i for i, child in enumerate(self.children)}
|
||||
except: pass
|
||||
def has_children(self): return self.num_children() != 0
|
||||
def num_children(self): return len(self.children)
|
||||
def get_child_index(self, name): return self.indices.get(name)
|
||||
def get_child_at_index(self, index): return self.children[index].deref if index >= 0 and index < len(self.children) else None
|
||||
|
||||
# Define Zig Stage2 Compiler
|
||||
|
||||
class TagAndPayload_SynthProvider:
|
||||
def __init__(self, value, _=None): self.value = value
|
||||
def update(self):
|
||||
try:
|
||||
self.tag = self.value.GetChildMemberWithName('tag') or self.value.GetChildMemberWithName('tag_ptr').deref.Clone('tag')
|
||||
data = self.value.GetChildMemberWithName('data_ptr') or self.value.GetChildMemberWithName('data')
|
||||
self.payload = data.GetChildMemberWithName('payload').GetChildMemberWithName(data.GetChildMemberWithName('tag').value)
|
||||
except: pass
|
||||
def has_children(self): return True
|
||||
def num_children(self): return 2
|
||||
def get_child_index(self, name):
|
||||
try: return ('tag', 'payload').index(name)
|
||||
except: return -1
|
||||
def get_child_at_index(self, index): return (self.tag, self.payload)[index] if index >= 0 and index < 2 else None
|
||||
|
||||
def Inst_Ref_SummaryProvider(value, _=None):
|
||||
members = value.type.enum_members
|
||||
return value if any(value.unsigned == member.unsigned for member in members) else 'instructions[%d]' % (value.unsigned - len(members))
|
||||
|
||||
class Module_Decl__Module_Decl_Index_SynthProvider:
|
||||
def __init__(self, value, _=None): self.value = value
|
||||
def update(self):
|
||||
try:
|
||||
for frame in self.value.thread:
|
||||
mod = frame.FindVariable('mod') or frame.FindVariable('module')
|
||||
if mod: break
|
||||
else: return
|
||||
self.ptr = mod.GetChildMemberWithName('allocated_decls').GetChildAtIndex(self.value.unsigned).Clone('decl')
|
||||
except: pass
|
||||
def has_children(self): return True
|
||||
def num_children(self): return 1
|
||||
def get_child_index(self, name): return 0 if name == 'decl' else -1
|
||||
def get_child_at_index(self, index): return self.ptr if index == 0 else None
|
||||
|
||||
class TagOrPayloadPtr_SynthProvider:
|
||||
def __init__(self, value, _=None): self.value = value
|
||||
def update(self):
|
||||
try:
|
||||
value_type = self.value.type
|
||||
for helper in self.value.target.FindFunctions('%s.dbHelper' % value_type.name, lldb.eFunctionNameTypeFull):
|
||||
ptr_self_type, ptr_tag_to_payload_map_type = helper.function.type.GetFunctionArgumentTypes()
|
||||
self_type = ptr_self_type.GetPointeeType()
|
||||
if self_type == value_type: break
|
||||
else: return
|
||||
tag_to_payload_map = {field.name: field.type for field in ptr_tag_to_payload_map_type.GetPointeeType().fields}
|
||||
|
||||
tag = self.value.GetChildMemberWithName('tag_if_small_enough')
|
||||
if tag.unsigned < page_size:
|
||||
self.tag = tag.Clone('tag')
|
||||
self.payload = None
|
||||
else:
|
||||
ptr_otherwise = self.value.GetChildMemberWithName('ptr_otherwise')
|
||||
self.tag = ptr_otherwise.GetChildMemberWithName('tag')
|
||||
self.payload = ptr_otherwise.Cast(tag_to_payload_map[self.tag.value]).GetChildMemberWithName('data').Clone('payload')
|
||||
except: pass
|
||||
def has_children(self): return True
|
||||
def num_children(self): return 1 + (self.payload is not None)
|
||||
def get_child_index(self, name):
|
||||
try: return ('tag', 'payload').index(name)
|
||||
except: return -1
|
||||
def get_child_at_index(self, index): return (self.tag, self.payload)[index] if index >= 0 and index < 2 else None
|
||||
|
||||
def Module_Decl_name(decl):
|
||||
error = lldb.SBError()
|
||||
return decl.process.ReadCStringFromMemory(decl.GetChildMemberWithName('name').deref.load_addr, 256, error)
|
||||
|
||||
def Module_Namespace_RenderFullyQualifiedName(namespace):
|
||||
parent = namespace.GetChildMemberWithName('parent')
|
||||
if parent.unsigned < page_size: return zig_String_decode(namespace.GetChildMemberWithName('file_scope').GetChildMemberWithName('sub_file_path')).removesuffix('.zig').replace('/', '.')
|
||||
return '.'.join((Module_Namespace_RenderFullyQualifiedName(parent), Module_Decl_name(namespace.GetChildMemberWithName('ty').GetChildMemberWithName('payload').GetChildMemberWithName('owner_decl').GetChildMemberWithName('decl'))))
|
||||
|
||||
def Module_Decl_RenderFullyQualifiedName(decl): return '.'.join((Module_Namespace_RenderFullyQualifiedName(decl.GetChildMemberWithName('src_namespace')), Module_Decl_name(decl)))
|
||||
|
||||
def OwnerDecl_RenderFullyQualifiedName(payload): return Module_Decl_RenderFullyQualifiedName(payload.GetChildMemberWithName('owner_decl').GetChildMemberWithName('decl'))
|
||||
|
||||
def type_Type_pointer(payload):
|
||||
pointee_type = payload.GetChildMemberWithName('pointee_type')
|
||||
sentinel = payload.GetChildMemberWithName('sentinel').GetChildMemberWithName('child')
|
||||
align = payload.GetChildMemberWithName('align').unsigned
|
||||
addrspace = payload.GetChildMemberWithName('addrspace').value
|
||||
bit_offset = payload.GetChildMemberWithName('bit_offset').unsigned
|
||||
host_size = payload.GetChildMemberWithName('host_size').unsigned
|
||||
vector_index = payload.GetChildMemberWithName('vector_index')
|
||||
allowzero = payload.GetChildMemberWithName('allowzero').unsigned
|
||||
const = not payload.GetChildMemberWithName('mutable').unsigned
|
||||
volatile = payload.GetChildMemberWithName('volatile').unsigned
|
||||
size = payload.GetChildMemberWithName('size').value
|
||||
|
||||
if size == 'One': summary = '*'
|
||||
elif size == 'Many': summary = '[*'
|
||||
elif size == 'Slice': summary = '['
|
||||
elif size == 'C': summary = '[*c'
|
||||
if sentinel: summary += ':%s' % value_Value_SummaryProvider(sentinel)
|
||||
if size != 'One': summary += ']'
|
||||
if allowzero: summary += 'allowzero '
|
||||
if align != 0 or host_size != 0 or vector_index.value != 'none': summary += 'align(%d%s%s) ' % (align, ':%d:%d' % (bit_offset, host_size) if bit_offset != 0 or host_size != 0 else '', ':?' if vector_index.value == 'runtime' else ':%d' % vector_index.unsigned if vector_index.value != 'none' else '')
|
||||
if addrspace != 'generic': summary += 'addrspace(.%s) ' % addrspace
|
||||
if const: summary += 'const '
|
||||
if volatile: summary += 'volatile '
|
||||
summary += type_Type_SummaryProvider(pointee_type)
|
||||
return summary
|
||||
|
||||
def type_Type_function(payload):
|
||||
param_types = payload.GetChildMemberWithName('param_types').children
|
||||
comptime_params = payload.GetChildMemberWithName('comptime_params').GetPointeeData(0, len(param_types)).uint8
|
||||
return_type = payload.GetChildMemberWithName('return_type')
|
||||
alignment = payload.GetChildMemberWithName('alignment').unsigned
|
||||
noalias_bits = payload.GetChildMemberWithName('noalias_bits').unsigned
|
||||
cc = payload.GetChildMemberWithName('cc').value
|
||||
is_var_args = payload.GetChildMemberWithName('is_var_args').unsigned
|
||||
|
||||
return 'fn(%s)%s%s %s' % (', '.join(tuple(''.join(('comptime ' if comptime_param else '', 'noalias ' if noalias_bits & 1 << i else '', type_Type_SummaryProvider(param_type))) for i, (comptime_param, param_type) in enumerate(zip(comptime_params, param_types))) + (('...',) if is_var_args else ())), ' align(%d)' % alignment if alignment != 0 else '', ' callconv(.%s)' % cc if cc != 'Unspecified' else '', type_Type_SummaryProvider(return_type))
|
||||
|
||||
def type_Type_SummaryProvider(value, _=None):
|
||||
tag = value.GetChildMemberWithName('tag').value
|
||||
return type_tag_handlers.get(tag, lambda payload: tag)(value.GetChildMemberWithName('payload'))
|
||||
|
||||
type_tag_handlers = {
|
||||
'atomic_order': lambda payload: 'std.builtin.AtomicOrder',
|
||||
'atomic_rmw_op': lambda payload: 'std.builtin.AtomicRmwOp',
|
||||
'calling_convention': lambda payload: 'std.builtin.CallingConvention',
|
||||
'address_space': lambda payload: 'std.builtin.AddressSpace',
|
||||
'float_mode': lambda payload: 'std.builtin.FloatMode',
|
||||
'reduce_op': lambda payload: 'std.builtin.ReduceOp',
|
||||
'modifier': lambda payload: 'std.builtin.CallModifier',
|
||||
'prefetch_options': lambda payload: 'std.builtin.PrefetchOptions',
|
||||
'export_options': lambda payload: 'std.builtin.ExportOptions',
|
||||
'extern_options': lambda payload: 'std.builtin.ExternOptions',
|
||||
'type_info': lambda payload: 'std.builtin.Type',
|
||||
|
||||
'enum_literal': lambda payload: '@TypeOf(.enum_literal)',
|
||||
'null': lambda payload: '@TypeOf(null)',
|
||||
'undefined': lambda payload: '@TypeOf(undefined)',
|
||||
'empty_struct_literal': lambda payload: '@TypeOf(.{})',
|
||||
|
||||
'anyerror_void_error_union': lambda payload: 'anyerror!void',
|
||||
'const_slice_u8': lambda payload: '[]const u8',
|
||||
'const_slice_u8_sentinel_0': lambda payload: '[:0]const u8',
|
||||
'fn_noreturn_no_args': lambda payload: 'fn() noreturn',
|
||||
'fn_void_no_args': lambda payload: 'fn() void',
|
||||
'fn_naked_noreturn_no_args': lambda payload: 'fn() callconv(.Naked) noreturn',
|
||||
'fn_ccc_void_no_args': lambda payload: 'fn() callconv(.C) void',
|
||||
'single_const_pointer_to_comptime_int': lambda payload: '*const comptime_int',
|
||||
'manyptr_u8': lambda payload: '[*]u8',
|
||||
'manyptr_const_u8': lambda payload: '[*]const u8',
|
||||
'manyptr_const_u8_sentinel_0': lambda payload: '[*:0]const u8',
|
||||
|
||||
'function': type_Type_function,
|
||||
'error_union': lambda payload: '%s!%s' % (type_Type_SummaryProvider(payload.GetChildMemberWithName('error_set')), type_Type_SummaryProvider(payload.GetChildMemberWithName('payload'))),
|
||||
'array_u8': lambda payload: '[%d]u8' % payload.unsigned,
|
||||
'array_u8_sentinel_0': lambda payload: '[%d:0]u8' % payload.unsigned,
|
||||
'vector': lambda payload: '@Vector(%d, %s)' % (payload.GetChildMemberWithName('len').unsigned, type_Type_SummaryProvider(payload.GetChildMemberWithName('elem_type'))),
|
||||
'array': lambda payload: '[%d]%s' % (payload.GetChildMemberWithName('len').unsigned, type_Type_SummaryProvider(payload.GetChildMemberWithName('elem_type'))),
|
||||
'array_sentinel': lambda payload: '[%d:%s]%s' % (payload.GetChildMemberWithName('len').unsigned, value_Value_SummaryProvider(payload.GetChildMemberWithName('sentinel')), type_Type_SummaryProvider(payload.GetChildMemberWithName('elem_type'))),
|
||||
'tuple': lambda payload: 'tuple{%s}' % ', '.join(('comptime %%s = %s' % value_Value_SummaryProvider(value) if value.GetChildMemberWithName('tag').value != 'unreachable_value' else '%s') % type_Type_SummaryProvider(type) for type, value in zip(payload.GetChildMemberWithName('types').children, payload.GetChildMemberWithName('values').children)),
|
||||
'anon_struct': lambda payload: 'struct{%s}' % ', '.join(('comptime %%s: %%s = %s' % value_Value_SummaryProvider(value) if value.GetChildMemberWithName('tag').value != 'unreachable_value' else '%s: %s') % (zig_String_AsIdentifier(name, zig_IsFieldName), type_Type_SummaryProvider(type)) for name, type, value in zip(payload.GetChildMemberWithName('names').children, payload.GetChildMemberWithName('types').children, payload.GetChildMemberWithName('values').children)),
|
||||
'pointer': type_Type_pointer,
|
||||
'single_const_pointer': lambda payload: '*const %s' % type_Type_SummaryProvider(payload),
|
||||
'single_mut_pointer': lambda payload: '*%s' % type_Type_SummaryProvider(payload),
|
||||
'many_const_pointer': lambda payload: '[*]const %s' % type_Type_SummaryProvider(payload),
|
||||
'many_mut_pointer': lambda payload: '[*]%s' % type_Type_SummaryProvider(payload),
|
||||
'c_const_pointer': lambda payload: '[*c]const %s' % type_Type_SummaryProvider(payload),
|
||||
'c_mut_pointer': lambda payload: '[*c]%s' % type_Type_SummaryProvider(payload),
|
||||
'const_slice': lambda payload: '[]const %s' % type_Type_SummaryProvider(payload),
|
||||
'mut_slice': lambda payload: '[]%s' % type_Type_SummaryProvider(payload),
|
||||
'int_signed': lambda payload: 'i%d' % payload.unsigned,
|
||||
'int_unsigned': lambda payload: 'u%d' % payload.unsigned,
|
||||
'optional': lambda payload: '?%s' % type_Type_SummaryProvider(payload),
|
||||
'optional_single_mut_pointer': lambda payload: '?*%s' % type_Type_SummaryProvider(payload),
|
||||
'optional_single_const_pointer': lambda payload: '?*const %s' % type_Type_SummaryProvider(payload),
|
||||
'anyframe_T': lambda payload: 'anyframe->%s' % type_Type_SummaryProvider(payload),
|
||||
'error_set': lambda payload: type_tag_handlers['error_set_merged'](payload.GetChildMemberWithName('names')),
|
||||
'error_set_single': lambda payload: 'error{%s}' % zig_String_AsIdentifier(payload, zig_IsFieldName),
|
||||
'error_set_merged': lambda payload: 'error{%s}' % ','.join(zig_String_AsIdentifier(child.GetChildMemberWithName('key'), zig_IsFieldName) for child in payload.GetChildMemberWithName('entries').children),
|
||||
'error_set_inferred': lambda payload: '@typeInfo(@typeInfo(@TypeOf(%s)).Fn.return_type.?).ErrorUnion.error_set' % OwnerDecl_RenderFullyQualifiedName(payload.GetChildMemberWithName('func')),
|
||||
|
||||
'enum_full': OwnerDecl_RenderFullyQualifiedName,
|
||||
'enum_nonexhaustive': OwnerDecl_RenderFullyQualifiedName,
|
||||
'enum_numbered': OwnerDecl_RenderFullyQualifiedName,
|
||||
'enum_simple': OwnerDecl_RenderFullyQualifiedName,
|
||||
'struct': OwnerDecl_RenderFullyQualifiedName,
|
||||
'union': OwnerDecl_RenderFullyQualifiedName,
|
||||
'union_safety_tagged': OwnerDecl_RenderFullyQualifiedName,
|
||||
'union_tagged': OwnerDecl_RenderFullyQualifiedName,
|
||||
'opaque': OwnerDecl_RenderFullyQualifiedName,
|
||||
}
|
||||
|
||||
def value_Value_str_lit(payload):
|
||||
for frame in payload.thread:
|
||||
mod = frame.FindVariable('mod') or frame.FindVariable('module')
|
||||
if mod: break
|
||||
else: return
|
||||
return '"%s"' % zig_String_decode(mod.GetChildMemberWithName('string_literal_bytes').GetChildMemberWithName('items'), payload.GetChildMemberWithName('index').unsigned, payload.GetChildMemberWithName('len').unsigned)
|
||||
|
||||
def value_Value_SummaryProvider(value, _=None):
|
||||
tag = value.GetChildMemberWithName('tag').value
|
||||
return value_tag_handlers.get(tag, lambda payload: tag.removesuffix('_type'))(value.GetChildMemberWithName('payload'))
|
||||
|
||||
value_tag_handlers = {
|
||||
'undef': lambda payload: 'undefined',
|
||||
'zero': lambda payload: '0',
|
||||
'one': lambda payload: '1',
|
||||
'void_value': lambda payload: '{}',
|
||||
'unreachable_value': lambda payload: 'unreachable',
|
||||
'null_value': lambda payload: 'null',
|
||||
'bool_true': lambda payload: 'true',
|
||||
'bool_false': lambda payload: 'false',
|
||||
|
||||
'empty_struct_value': lambda payload: '.{}',
|
||||
'empty_array': lambda payload: '.{}',
|
||||
|
||||
'ty': type_Type_SummaryProvider,
|
||||
'int_type': lambda payload: '%c%d' % (payload.GetChildMemberWithName('bits').unsigned, 's' if payload.GetChildMemberWithName('signed').unsigned == 1 else 'u'),
|
||||
'int_u64': lambda payload: '%d' % payload.unsigned,
|
||||
'int_i64': lambda payload: '%d' % payload.signed,
|
||||
'int_big_positive': lambda payload: sum(child.unsigned << i * child.type.size * 8 for i, child in enumerate(payload.children)),
|
||||
'int_big_negative': lambda payload: '-%s' % value_tag_handlers['int_big_positive'](payload),
|
||||
'function': OwnerDecl_RenderFullyQualifiedName,
|
||||
'extern_fn': OwnerDecl_RenderFullyQualifiedName,
|
||||
'variable': lambda payload: value_Value_SummaryProvider(payload.GetChildMemberWithName('decl').GetChildMemberWithName('val')),
|
||||
'runtime_value': value_Value_SummaryProvider,
|
||||
'decl_ref': lambda payload: value_Value_SummaryProvider(payload.GetChildMemberWithName('decl').GetChildMemberWithName('val')),
|
||||
'decl_ref_mut': lambda payload: value_Value_SummaryProvider(payload.GetChildMemberWithName('decl_index').GetChildMemberWithName('decl').GetChildMemberWithName('val')),
|
||||
'comptime_field_ptr': lambda payload: '&%s' % value_Value_SummaryProvider(payload.GetChildMemberWithName('field_val')),
|
||||
'elem_ptr': lambda payload: '(%s)[%d]' % (value_Value_SummaryProvider(payload.GetChildMemberWithName('array_ptr')), payload.GetChildMemberWithName('index').unsigned),
|
||||
'field_ptr': lambda payload: '(%s).field[%d]' % (value_Value_SummaryProvider(payload.GetChildMemberWithName('container_ptr')), payload.GetChildMemberWithName('field_index').unsigned),
|
||||
'bytes': lambda payload: '"%s"' % zig_String_decode(payload),
|
||||
'str_lit': value_Value_str_lit,
|
||||
'repeated': lambda payload: '.{%s} ** _' % value_Value_SummaryProvider(payload),
|
||||
'empty_array_sentinel': lambda payload: '.{%s}' % value_Value_SummaryProvider(payload),
|
||||
'slice': lambda payload: '(%s)[0..%s]' % tuple(value_Value_SummaryProvider(payload.GetChildMemberWithName(name)) for name in ('ptr', 'len')),
|
||||
'float_16': lambda payload: payload.value,
|
||||
'float_32': lambda payload: payload.value,
|
||||
'float_64': lambda payload: payload.value,
|
||||
'float_80': lambda payload: payload.value,
|
||||
'float_128': lambda payload: payload.value,
|
||||
'enum_literal': lambda payload: '.%s' % zig_String_AsIdentifier(payload, zig_IsFieldName),
|
||||
'enum_field_index': lambda payload: 'field[%d]' % payload.unsigned,
|
||||
'error': lambda payload: 'error.%s' % zig_String_AsIdentifier(payload.GetChildMemberWithName('name'), zig_IsFieldName),
|
||||
'eu_payload': value_Value_SummaryProvider,
|
||||
'eu_payload_ptr': lambda payload: '&((%s).* catch unreachable)' % value_Value_SummaryProvider(payload.GetChildMemberWithName('container_ptr')),
|
||||
'opt_payload': value_Value_SummaryProvider,
|
||||
'opt_payload_ptr': lambda payload: '&(%s).*.?' % value_Value_SummaryProvider(payload.GetChildMemberWithName('container_ptr')),
|
||||
'aggregate': lambda payload: '.{%s}' % ', '.join(map(value_Value_SummaryProvider, payload.children)),
|
||||
'union': lambda payload: '.{.%s = %s}' % tuple(value_Value_SummaryProvider(payload.GetChildMemberWithName(name)) for name in ('tag', 'val')),
|
||||
|
||||
'lazy_align': lambda payload: '@alignOf(%s)' % type_Type_SummaryProvider(payload),
|
||||
'lazy_size': lambda payload: '@sizeOf(%s)' % type_Type_SummaryProvider(payload),
|
||||
}
|
||||
|
||||
# Initialize
|
||||
|
||||
def add(debugger, *, category, regex=False, type, identifier=None, synth=False, inline_children=False, expand=False, summary=False):
|
||||
prefix = '.'.join((__name__, (identifier or type).replace('.', '_').replace(':', '_')))
|
||||
if summary: debugger.HandleCommand('type summary add --category %s%s%s "%s"' % (category, ' --inline-children' if inline_children else ''.join((' --expand' if expand else '', ' --python-function %s_SummaryProvider' % prefix if summary == True else ' --summary-string "%s"' % summary)), ' --regex' if regex else '', type))
|
||||
if synth: debugger.HandleCommand('type synthetic add --category %s%s --python-class %s_SynthProvider "%s"' % (category, ' --regex' if regex else '', prefix, type))
|
||||
|
||||
def MultiArrayList_Entry(type): return '^multi_array_list\\.MultiArrayList\\(%s\\)\\.Entry__struct_[1-9][0-9]*$' % type
|
||||
|
||||
def __lldb_init_module(debugger, _=None):
|
||||
# Initialize Zig Language
|
||||
add(debugger, category='zig', regex=True, type='^\\[\\]', identifier='zig_Slice', synth=True, expand=True, summary='len=${svar%#}')
|
||||
add(debugger, category='zig', type='[]u8', identifier='zig_String', summary=True)
|
||||
add(debugger, category='zig', regex=True, type='^\\?', identifier='zig_Optional', synth=True, summary=True)
|
||||
add(debugger, category='zig', regex=True, type='^(error{.*}|anyerror)!', identifier='zig_ErrorUnion', synth=True, inline_children=True, summary=True)
|
||||
|
||||
# Initialize Zig Standard Library
|
||||
add(debugger, category='zig.std', type='mem.Allocator', summary='${var.ptr}')
|
||||
add(debugger, category='zig.std', regex=True, type='^segmented_list\\.SegmentedList\\(.*\\)$', identifier='std_SegmentedList', synth=True, expand=True, summary='len=${var.len}')
|
||||
add(debugger, category='zig.std', regex=True, type='^multi_array_list\\.MultiArrayList\\(.*\\)$', identifier='std_MultiArrayList', synth=True, expand=True, summary='len=${var.len} capacity=${var.capacity}')
|
||||
add(debugger, category='zig.std', regex=True, type=MultiArrayList_Entry('.*'), identifier='std_Entry', synth=True, inline_children=True, summary=True)
|
||||
add(debugger, category='zig.std', regex=True, type='^hash_map\\.HashMapUnmanaged\\(.*\\)$', identifier='std_HashMapUnmanaged', synth=True, expand=True, summary=True)
|
||||
add(debugger, category='zig.std', regex=True, type='^hash_map\\.HashMapUnmanaged\\(.*\\)\\.Entry$', identifier = 'std_Entry', synth=True, inline_children=True, summary=True)
|
||||
|
||||
# Initialize Zig Stage2 Compiler
|
||||
add(debugger, category='zig.stage2', type='Zir.Inst', identifier='TagAndPayload', synth=True, inline_children=True, summary=True)
|
||||
add(debugger, category='zig.stage2', regex=True, type=MultiArrayList_Entry('Zir\\.Inst'), identifier='TagAndPayload', synth=True, inline_children=True, summary=True)
|
||||
add(debugger, category='zig.stage2', regex=True, type='^Zir\\.Inst\\.Data\\.Data__struct_[1-9][0-9]*$', inline_children=True, summary=True)
|
||||
add(debugger, category='zig.stage2', type='Zir.Inst::Zir.Inst.Ref', identifier='Inst_Ref', summary=True)
|
||||
add(debugger, category='zig.stage2', type='Air.Inst', identifier='TagAndPayload', synth=True, inline_children=True, summary=True)
|
||||
add(debugger, category='zig.stage2', regex=True, type=MultiArrayList_Entry('Air\\.Inst'), identifier='TagAndPayload', synth=True, inline_children=True, summary=True)
|
||||
add(debugger, category='zig.stage2', regex=True, type='^Air\\.Inst\\.Data\\.Data__struct_[1-9][0-9]*$', inline_children=True, summary=True)
|
||||
add(debugger, category='zig.stage2', type='Module.Decl::Module.Decl.Index', synth=True)
|
||||
add(debugger, category='zig.stage2', type='type.Type', identifier='TagOrPayloadPtr', synth=True)
|
||||
add(debugger, category='zig.stage2', type='type.Type', summary=True)
|
||||
add(debugger, category='zig.stage2', type='value.Value', identifier='TagOrPayloadPtr', synth=True)
|
||||
add(debugger, category='zig.stage2', type='value.Value', summary=True)
|
||||
@ -1,59 +0,0 @@
|
||||
# pretty printing for stage 2.
|
||||
# put "command script /path/to/stage2_lldb_pretty_printers.py" and "type category enable stage2" in ~/.lldbinit to load it automatically.
|
||||
import lldb
|
||||
import stage2_pretty_printers_common as common
|
||||
|
||||
category = 'stage2'
|
||||
module = category + '_lldb_pretty_printers'
|
||||
|
||||
class type_Type_SynthProvider:
|
||||
def __init__(self, type, _=None):
|
||||
self.type = type
|
||||
|
||||
def update(self):
|
||||
self.tag = self.type.GetChildMemberWithName('tag_if_small_enough').Clone('tag')
|
||||
self.payload = None
|
||||
if self.tag.GetValueAsUnsigned() >= common.Type.no_payload_count:
|
||||
ptr_otherwise = self.type.GetChildMemberWithName('ptr_otherwise')
|
||||
self.tag = ptr_otherwise.Dereference().GetChildMemberWithName('tag')
|
||||
payload_type = self.type.target.FindFirstType('type.' + common.Type.payload_type_names[self.tag.GetValue()])
|
||||
self.payload = ptr_otherwise.Cast(payload_type.GetPointerType()).Dereference().GetChildMemberWithName('data').Clone('payload')
|
||||
|
||||
def num_children(self):
|
||||
return 1 + (self.payload is not None)
|
||||
|
||||
def get_child_index(self, name):
|
||||
return ['tag', 'payload'].index(name)
|
||||
|
||||
def get_child_at_index(self, index):
|
||||
return [self.tag, self.payload][index]
|
||||
|
||||
class value_Value_SynthProvider:
|
||||
def __init__(self, value, _=None):
|
||||
self.value = value
|
||||
|
||||
def update(self):
|
||||
self.tag = self.value.GetChildMemberWithName('tag_if_small_enough').Clone('tag')
|
||||
self.payload = None
|
||||
if self.tag.GetValueAsUnsigned() >= common.Value.no_payload_count:
|
||||
ptr_otherwise = self.value.GetChildMemberWithName('ptr_otherwise')
|
||||
self.tag = ptr_otherwise.Dereference().GetChildMemberWithName('tag')
|
||||
payload_type = self.value.target.FindFirstType('value.' + common.Value.payload_type_names[self.tag.GetValue()])
|
||||
self.payload = ptr_otherwise.Cast(payload_type.GetPointerType()).Dereference().GetChildMemberWithName('data').Clone('payload')
|
||||
|
||||
def num_children(self):
|
||||
return 1 + (self.payload is not None)
|
||||
|
||||
def get_child_index(self, name):
|
||||
return ['tag', 'payload'].index(name)
|
||||
|
||||
def get_child_at_index(self, index):
|
||||
return [self.tag, self.payload][index]
|
||||
|
||||
def add(debugger, type, summary=False, synth=False):
|
||||
if summary: debugger.HandleCommand('type summary add --python-function ' + module + '.' + type.replace('.', '_') + '_SummaryProvider "' + type + '" --category ' + category)
|
||||
if synth: debugger.HandleCommand('type synthetic add --python-class ' + module + '.' + type.replace('.', '_') + '_SynthProvider "' + type + '" --category ' + category)
|
||||
|
||||
def __lldb_init_module(debugger, _=None):
|
||||
add(debugger, 'type.Type', synth=True)
|
||||
add(debugger, 'value.Value', synth=True)
|
||||
@ -26,7 +26,7 @@ class MultiArrayListPrinter:
|
||||
self.val = val
|
||||
|
||||
def child_type(self):
|
||||
(helper_fn, _) = gdb.lookup_symbol('%s.gdbHelper' % self.val.type.name)
|
||||
(helper_fn, _) = gdb.lookup_symbol('%s.dbHelper' % self.val.type.name)
|
||||
return helper_fn.type.fields()[1].type.target()
|
||||
|
||||
def to_string(self):
|
||||
@ -65,7 +65,7 @@ class HashMapPrinter:
|
||||
self.val = val['unmanaged'] if is_managed else val
|
||||
|
||||
def header_ptr_type(self):
|
||||
(helper_fn, _) = gdb.lookup_symbol('%s.gdbHelper' % self.val.type.name)
|
||||
(helper_fn, _) = gdb.lookup_symbol('%s.dbHelper' % self.val.type.name)
|
||||
return helper_fn.type.fields()[1].type
|
||||
|
||||
def header(self):
|
||||
|
||||
Loading…
Reference in New Issue
Block a user