Motiejus
a263259b1e
Add ScopeNamespace struct with per-namespace declaration tables and capture storage, replacing the flat decl_table on AstGenCtx. Implement tunnelThroughClosure for cross-namespace captures (closure_get ZIR instruction). Modify identifierExpr to walk past namespace scopes, checking namespace decls and tracking num_namespaces_out for proper closure tunneling. Key changes: - ScopeNamespace with decl_names/decl_nodes, capture_keys/capture_vals - scanContainer populates per-namespace decls instead of flat table - structDeclInner/enumDeclInner create namespace scopes, write captures - globalVarDecl/fnDecl/testDecl/comptimeDecl receive scope parameter - localVarRef properly tunnels through namespace boundaries - scopeParent helper for generic scope chain walking Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
About
zig0 aspires to be an interpreter of zig 0.15.2 written in C.
This is written with help from LLM:
- Lexer:
- Datastructures 100% human.
- Helper functions 100% human.
- Lexing functions 50/50 human/bot.
- Parser:
- Datastructures 100% human.
- Helper functions 50/50.
- Parser functions 5/95 human/bot.
- AstGen: TBD.
Testing
Quick test:
zig build fmt-zig0 test-zig0
Full test and static analysis with all supported compilers and valgrind (run before commit, takes a while):
zig build all-zig0 -Dvalgrind
Debugging tips
Test runs infinitely? Build the test program executable:
$ zig build test-zig0 -Dzig0-no-exec
And then run it, capturing the stack trace:
gdb -batch \
-ex "python import threading; threading.Timer(1.0, lambda: gdb.post_event(lambda: gdb.execute('interrupt'))).start()" \
-ex run \
-ex "bt full" \
-ex quit \
zig-out/bin/test
You are welcome to replace -ex "bt full" with anything other of interest.