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* 5145Kartik Agaram2019-05-041-0/+0
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* 5135Kartik Agaram2019-05-041-0/+0
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* 5118 - convert int to stringKartik Agaram2019-04-231-0/+0
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* 5090Kartik Agaram2019-04-131-0/+0
| | | | | | | Start using the new newline escape in string literals everywhere. I could use it more aggressively, but it makes tests harder to read. So only one line of text per string for now.
* 5074Kartik Agaram2019-04-101-0/+0
| | | | | | | | | | | | | Fail early when writing to a fake file runs out of space. Makes debugging tests easier. Reads from files, on the other hand, are only buffering to a temporary stream, so it makes sense to silently stop when they run out of space. In the process I uncovered a testing bug in pack.subx: I was missing a trailing space in the expected result, but the test still passed because the space was getting truncated. Being principled about aborting on overflow by default will help avoid such issues.
* 5060Kartik Agaram2019-04-061-0/+0
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* 5059Kartik Agaram2019-04-051-0/+0
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* 5056Kartik Agaram2019-04-051-0/+0
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* 5053Kartik Agaram2019-04-031-0/+0
| | | | | | write-stream-buffered isn't a clean abstraction. Ignoring the 'read' index of a stream is a hack. It's just saving us the trouble of a rewind-stream. So make it a helper of pack.subx rather than part of the standard library.
* 5027Kartik Agaram2019-03-271-0/+0
| | | | | | | | | Testing conversion of multiple lines in a data segment. Bugs fixed: 1. Stack issues in next-token helpers. 2. Needed to teach next-token to avoid newlines. 3. rewind-stream(line) before passing it to convert-code or convert-instruction.
* 4999Kartik Agaram2019-03-101-0/+0
| | | | | | | | Fix CI. pack.subx was passing in emulation but not natively. Commit 4954 on Feb 10 was a real dud. First I find I forgot to reclaim space for locals (commit 4996). Now I find I haven't been tracking registers properly either.
* 4996 - back on pack.subxKartik Agaram2019-03-081-0/+0
| | | | | | | | | Yet another redrawing of responsibilities between convert and its helpers. In the process I discovered a bug in `write-stream-buffered` which ended up taking me through a detour to extract `browse_trace` into its own tool. It turns out just having long buffers is enough to need browse_trace. Simple operations like clearing a stream swamp a flat view of the trace.
* 4988Kartik Agaram2019-02-251-0/+0
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* 4981 - no, go back to 3 phasesKartik Agaram2019-02-181-0/+0
| | | | | | | | | | | | | Considering how much trouble a merge phase would be (commit 4978), it seems simpler to just add the extra syntax for controlling the entry point of the generated ELF binary. But I wouldn't have noticed this if I hadn't taken the time to write out the commit messages of 4976 and 4978. Even if we happened to already have linked list primitives built, this may still be a good idea considering that I'm saving quite a lot of code in duplicated entrypoints.
* 4968Kartik Agaram2019-02-141-0/+0
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* 4965Kartik Agaram2019-02-141-0/+0
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* 4961Kartik Agaram2019-02-141-0/+0
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* 4955Kartik Agaram2019-02-101-0/+0
| | | | Starting to build up Phase 2 (apps/pack) out of recently designed primitives.
* 4954Kartik Agaram2019-02-101-0/+0
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* 4952Kartik Agaram2019-02-051-0/+0
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* 4951Kartik Agaram2019-02-031-0/+0
| | | | Cleaner way to compare streams in tests.
* 4949Kartik Agaram2019-02-021-0/+0
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* 4945Kartik Agaram2019-02-011-0/+0
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* 4938Kartik Agaram2019-01-201-0/+0
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* 4937Kartik Agaram2019-01-201-0/+0
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* 4930Kartik Agaram2019-01-151-0/+0
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* 4929Kartik Agaram2019-01-151-0/+0
| | | | Clean up primitives for converting from/to hex chars.
* 4928Kartik Agaram2019-01-141-0/+0
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* 4927Kartik Agaram2019-01-141-0/+0
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* 4926Kartik Agaram2019-01-141-0/+0
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* 4925Kartik Agaram2019-01-141-0/+0
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* 4923Kartik Agaram2019-01-121-0/+0
| | | | | We want slice-equal? for length-prefixed strings, not null-terminated "kernel" strings.
* 4920Kartik Agaram2019-01-111-0/+0
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* 4916Kartik Agaram2019-01-101-0/+0
| | | | | In the process of building slice primitives I found an out-of-bounds access in write-byte.
* 4913Kartik Agaram2019-01-071-0/+0
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* 4911Kartik Agaram2019-01-061-0/+0
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* 4908Kartik Agaram2019-01-051-0/+0
| | | | | | | | Fix CI. a) Update canonical binaries. b) Fix an out-of-bounds access in `clear-stream`. This also required supporting a new instruction in `subx run` to load an imm8 into rm8.
* 4888Kartik Agaram2018-12-291-0/+0
| | | | We only can't use rm32=5 when mod=0. Totally fine when it's mod=1.
* 4883 - rudimentary memory allocatorKartik Agaram2018-12-281-0/+0
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* 4879Kartik Agaram2018-12-281-0/+0
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* 4865Kartik Agaram2018-12-101-0/+0
| | | | More mnemonic register usage in write-stream.
* 4864Kartik Agaram2018-12-101-0/+0
| | | | Our first buffer overflow!
* 4846Kartik Agaram2018-12-061-0/+0
| | | | | | | | | | | | | | Clean up a few things: a) Call scan-next-byte in hex.subx with the right number of args. Turns out tests continue to work fine if they never use the other args. b) Tear down a test for 'stop' in the right order. Not important since we have no EBP to restore. But can still be misleading. c) Have 'check-ints-equal' return nothing. Handy for it to not mess up EAX. I never use the result anyway, and the name also is imperative suggesting callers won't expect a return value.
* 4844Kartik Agaram2018-12-061-0/+0
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* 4841Kartik Agaram2018-12-041-0/+0
| | | | New helper: print an error message, then a numeric byte, then abort.
* 4840Kartik Agaram2018-12-041-0/+0
| | | | New helper: printing a string to a buffered file.
* 4838Kartik Agaram2018-12-041-0/+0
| | | | Better to use EDI as a mnemonic for 'destination'.
* 4837Kartik Agaram2018-12-041-0/+0
| | | | Let's standardize to use opcode 39 rather than 3b by default.
* 4834Kartik Agaram2018-12-041-0/+0
| | | | Fix CI since 4827.
* 4833Kartik Agaram2018-12-041-0/+0
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