35 lines
1.1 KiB
Rust
35 lines
1.1 KiB
Rust
#![no_std]
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#![feature(str_from_raw_parts)]
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#![feature(alloc_error_handler)]
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use hblang::{fmt, parser};
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wasm_rt::decl_runtime!(128 * 1024, 1024 * 4);
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const MAX_OUTPUT_SIZE: usize = 1024 * 10;
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wasm_rt::decl_buffer!(MAX_OUTPUT_SIZE, MAX_OUTPUT, OUTPUT, OUTPUT_LEN);
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const MAX_INPUT_SIZE: usize = 1024 * 4;
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wasm_rt::decl_buffer!(MAX_INPUT_SIZE, MAX_INPUT, INPUT, INPUT_LEN);
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#[no_mangle]
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unsafe extern "C" fn fmt() {
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ALLOCATOR.reset();
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let code = core::str::from_raw_parts(core::ptr::addr_of!(INPUT).cast(), INPUT_LEN);
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let arena = parser::Arena::with_capacity(code.len() * parser::SOURCE_TO_AST_FACTOR);
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let mut ctx = parser::Ctx::default();
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let exprs = parser::Parser::parse(&mut ctx, code, "source.hb", &mut parser::no_loader, &arena);
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let mut f = wasm_rt::Write(&mut OUTPUT[..]);
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fmt::fmt_file(exprs, code, &mut f).unwrap();
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OUTPUT_LEN = MAX_OUTPUT_SIZE - f.0.len();
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}
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#[no_mangle]
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unsafe extern "C" fn minify() {
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let code = core::str::from_raw_parts_mut(core::ptr::addr_of_mut!(OUTPUT).cast(), OUTPUT_LEN);
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OUTPUT_LEN = fmt::minify(code);
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}
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