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Motiejus Jakštys b2b1d8f188 parser: add slicing and tagged union tests

Port tests from upstream parser_test.zig:
- "slices" (open, closed, sentinel-terminated)
- "tagged union with enum values"
- "tagged union enum tag last token"

Implement in parser.c:
- Slice expressions in parseSuffixOp: slice_open, slice,
  slice_sentinel
- Handle OptionalIndex encoding for absent slice end expr

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-02-11 14:40:05 +00:00

.clang-format

fmt

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.gitignore

zig 0.15.1

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AGENTS.md

zig build -Dcc=tcc

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ast.c

fix tcc

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ast.h

fmt

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build.zig

zig build does more and in parallel

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common.h

fix tcc

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LICENSE

update license

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main.c

fix tcc

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parser_test.zig

parser: add slicing and tagged union tests

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parser.c

parser: add slicing and tagged union tests

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parser.h

a few bugfixes and a new TODO

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README.md

zig build does more and in parallel

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test_all.zig

start with parser tests

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tokenizer_test.zig

zig 0.15.1

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tokenizer.c

fix tcc

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tokenizer.h

more parser

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zig0.c

fix tcc

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zig-interp.txt

add some notes

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README.md

zig0 aspires to be an interpreter of zig 0.15.1 written in C.

Testing

Quick test:

zig build

Debugging tips

Test runs infinitely? Build the test program executable:

$ zig build test -Dno-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.