skeleton stage 2 support for 'zig build' #865
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Make the stage 1 compiler exit with a non-zero status code when `zig build --init` cannot create a new build.zig file.
Initial port of the 'zig build' logic from the stage 1 compiler to the stage 2 compiler sans code generation and BUILD_INFO support.
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Sweet, thanks! If you're looking for more places to contribute to the self-hosted compiler, I think the first step is finishing the tokenizer and parser.
At the bottom of std/zig/parser.zig there are "zig fmt" tests - that is, it tests tokenizing, parsing, and then rendering back again. This tests what will be the One big milestone for the self-hosted parser will be ability to parse and render all of std/* and test/*. I've been running std lib files through the parser, and then creating a "zig fmt" test case for the first parse error that occurs. One thing going on right now is that the expression parsing code is kind of confusing. @thejoshwolfe had a cool idea for how expression parsing can work and then started an implementaion, but then got really busy, and I don't fully understand how it works. So I might rework it to be closer to the existing recursive descent design (except with a state machine instead of recursion). |
Initial port of the 'zig build' logic from the stage 1 compiler to the
stage 2 compiler sans code generation and BUILD_INFO support.
Hope this is useful. Thought I'd get the ball rolling.