tiny.choir.backends.artifact.model.linkage.symbol

1pub const symbol = @import("symbol.zig");

1const std = @import("std");2const linkage = @import("root.zig");34const Allocator = std.mem.Allocator;56pub const SymbolKind = enum(u8) {7    unknown = 1,8    function = 2,9    data = 3,10    runtime = 4,11};1213pub const SymbolBinding = enum(u8) {14    external = 1,15    local = 2,16    weak = 3,17};1819pub const Symbol = struct {20    name: []const u8,21    kind: SymbolKind = .unknown,22    binding: SymbolBinding = .external,23    /// Parameter and result types of a function symbol whose producer records them.24    signature: ?linkage.Signature = null,2526    pub fn dupe(self: Symbol, allocator: Allocator) Allocator.Error!Symbol {27        return .{28            .name = try linkage.slice.dupe(allocator, self.name),29            .kind = self.kind,30            .binding = self.binding,31            .signature = self.signature,32        };33    }3435    pub fn deinit(self: Symbol, allocator: Allocator) void {36        linkage.slice.free(allocator, self.name);37    }3839    pub fn eql(self: Symbol, other: Symbol) bool {40        return self.kind == other.kind and41            self.binding == other.binding and42            signaturesEql(self.signature, other.signature) and43            std.mem.eql(u8, self.name, other.name);44    }45};4647fn signaturesEql(left: ?linkage.Signature, right: ?linkage.Signature) bool {48    if (left == null or right == null) return left == null and right == null;49    return left.?.eql(&right.?);50}