feat: restructure repo, borrow checker, expanded stdlib
- Reorganize repository to Rust-style layout: compiler/bootstrap/ compiler/selfhost/ compiler/tests/ library/std/ library/runtime/ tests/ tools/ - Add buxs/ Windows-compatible project root - Add borrow checker tests and implement: - Alias analysis (double mutable borrow detection) - Use-after-move detection for own T - Expand standard library: - Std::Os: Args, Env, Cwd, Chdir - Std::Time: NowMs, NowUs, SleepMs - Std::Process: Run, Output - Std::Io: PrintInt64 (fixes 32-bit truncation bug) - Add examples: os_time.bux, process.bux - Fix PrintInt to use int64_t in C runtime
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@@ -1,122 +0,0 @@
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import std/[unittest, os, strutils]
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import ../src/[lexer, parser, ast, token]
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proc parseSource(source: string): ParseResult =
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let lexRes = tokenize(source, "<test>")
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check not lexRes.hasErrors
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result = parse(lexRes.tokens, "<test>")
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suite "Parser":
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test "empty module":
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let res = parseSource("")
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check res.diagnostics.len == 0
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check res.module.items.len == 0
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test "simple function":
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let res = parseSource("func Main() -> int { return 0; }")
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check res.diagnostics.len == 0
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check res.module.items.len == 1
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check res.module.items[0].kind == dkFunc
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check res.module.items[0].declFuncName == "Main"
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test "function with parameters":
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let res = parseSource("func Add(a: int32, b: int32) -> int32 { return a + b; }")
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check res.diagnostics.len == 0
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check res.module.items[0].declFuncParams.len == 2
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check res.module.items[0].declFuncParams[0].name == "a"
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check res.module.items[0].declFuncParams[1].name == "b"
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test "struct declaration":
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let res = parseSource("struct Point { x: float64; y: float64; }")
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check res.diagnostics.len == 0
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check res.module.items[0].kind == dkStruct
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check res.module.items[0].declStructName == "Point"
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check res.module.items[0].declStructFields.len == 2
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test "enum declaration":
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let res = parseSource("enum Color { Red, Green, Blue }")
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check res.diagnostics.len == 0
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check res.module.items[0].kind == dkEnum
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check res.module.items[0].declEnumName == "Color"
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check res.module.items[0].declEnumVariants.len == 3
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test "import declaration":
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let res = parseSource("import Std::Io::PrintLine;")
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check res.diagnostics.len == 0
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check res.module.items[0].kind == dkUse
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check res.module.items[0].declUsePath == @["Std", "Io", "PrintLine"]
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test "const declaration":
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let res = parseSource("const PI: float64 = 3.14;")
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check res.diagnostics.len == 0
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check res.module.items[0].kind == dkConst
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check res.module.items[0].declConstName == "PI"
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test "type alias":
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let res = parseSource("type MyInt = int32;")
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check res.diagnostics.len == 0
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check res.module.items[0].kind == dkTypeAlias
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check res.module.items[0].declAliasName == "MyInt"
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test "let statement in function":
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let res = parseSource("func Main() -> int { let x: int32 = 42; return x; }")
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check res.diagnostics.len == 0
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check res.module.items[0].declFuncBody.stmts.len == 2
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check res.module.items[0].declFuncBody.stmts[0].kind == skLet
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check res.module.items[0].declFuncBody.stmts[0].stmtLetName == "x"
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test "if statement":
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let res = parseSource("func Main() -> int { if true { return 1; } else { return 0; } }")
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check res.diagnostics.len == 0
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let body = res.module.items[0].declFuncBody
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check body.stmts[0].kind == skIf
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check body.stmts[0].stmtIfThen.stmts.len == 1
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check body.stmts[0].stmtIfElse.stmts.len == 1
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test "while loop":
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let res = parseSource("func Main() -> int { while true { break; } return 0; }")
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check res.diagnostics.len == 0
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let body = res.module.items[0].declFuncBody
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check body.stmts[0].kind == skWhile
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check body.stmts[0].stmtWhileBody.stmts[0].kind == skBreak
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test "for loop":
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let res = parseSource("func Main() -> int { for i in items { continue; } return 0; }")
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check res.diagnostics.len == 0
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let body = res.module.items[0].declFuncBody
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check body.stmts[0].kind == skFor
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check body.stmts[0].stmtForVar == "i"
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test "match expression":
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let res = parseSource("func Main() -> int { let x = match 1 { 1 => 10, _ => 20 }; return x; }")
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check res.diagnostics.len == 0
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let body = res.module.items[0].declFuncBody
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check body.stmts[0].kind == skLet
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check body.stmts[0].stmtLetInit.kind == ekMatch
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test "binary expression":
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let res = parseSource("func Main() -> int { return 1 + 2 * 3; }")
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check res.diagnostics.len == 0
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let ret = res.module.items[0].declFuncBody.stmts[0]
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check ret.kind == skReturn
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check ret.stmtReturnValue.kind == ekBinary
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# 1 + (2 * 3)
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check ret.stmtReturnValue.exprBinaryOp == tkPlus
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test "call expression":
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let res = parseSource("func Main() -> int { return Add(10, 20); }")
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check res.diagnostics.len == 0
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let ret = res.module.items[0].declFuncBody.stmts[0]
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check ret.stmtReturnValue.kind == ekCall
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check ret.stmtReturnValue.exprCallCallee.kind == ekIdent
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test "full sample file":
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let source = readFile(currentSourcePath.parentDir / "testdata" / "sample.bux")
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let lexRes = tokenize(source, "sample.bux")
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check not lexRes.hasErrors
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let parseRes = parse(lexRes.tokens, "sample.bux")
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check parseRes.diagnostics.len == 0
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check parseRes.module.items.len == 3
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check parseRes.module.items[0].kind == dkUse
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check parseRes.module.items[1].kind == dkFunc
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check parseRes.module.items[2].kind == dkFunc
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