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stage2: implement accessing error values

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Vexu
2020-08-23 20:19:05 +03:00
committed by Andrew Kelley
parent e9b15ac9a0
commit 1520e084cb
4 changed files with 96 additions and 33 deletions
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11
src-self-hosted/Module.zig
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@@ -2081,12 +2081,15 @@ fn createNewDecl(
}
/// Get error value for error tag `name`.
pub fn getErrorValue(self: *Module, name: []const u8) !u16 {
pub fn getErrorValue(self: *Module, name: []const u8) !std.StringHashMapUnmanaged(u16).Entry {
const new_val = @intCast(u16, self.global_error_set.items().len);
if (self.global_error_set.get(name)) |some| return some;
if (self.global_error_set.getEntry(name)) |some| return some.*;
try self.global_error_set.put(self.gpa, try self.gpa.dupe(u8, name), new_val);
return new_val;
const duped = try self.gpa.dupe(u8, name);
errdefer self.gpa.free(duped);
try self.global_error_set.put(self.gpa, duped, new_val);
return self.global_error_set.getEntry(duped).?.*;
}
/// TODO split this into `requireRuntimeBlock` and `requireFunctionBlock` and audit callsites.