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A small, fast programming language on LLVM with C-like syntax. - Lexer, recursive-descent parser, single-pass type checker + LLVM IR codegen, O2 pipeline - Types: int/float/bool/char/str, sized i8..u64/f32/f64, pointers ptr[T] with addr()/.value/null - Functions (fn ... -> T), if/else, while, for..in, break/continue, Go-style operator precedence - Implicit conversions only when lossless; literals adapt to their target type - Runtime checks for division by zero, MIN/-1 and null .value - C interop: import "header.h" via libclang, link "lib" with pkg-config, link-error advice - Human-readable errors with source excerpts - Test suite (34 tests), examples, docs for beginners/technicians/engineers in English and Polish Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
18 lines
627 B
Text
18 lines
627 B
Text
// Finch driving LLVM itself through the LLVM-C API: the first step toward
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// a compiler written in Finch. Builds a module with `answer() -> 42` and prints its IR.
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import "llvm-c/Core.h"
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link "LLVM"
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fn main() {
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mod := LLVMModuleCreateWithName("from_finch")
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i64t := LLVMInt64Type()
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fnType := LLVMFunctionType(i64t, null, 0, 0)
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f := LLVMAddFunction(mod, "answer", fnType)
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entry := LLVMAppendBasicBlock(f, "entry")
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b := LLVMCreateBuilder()
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LLVMPositionBuilderAtEnd(b, entry)
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LLVMBuildRet(b, LLVMConstInt(i64t, 42, 0))
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LLVMDumpModule(mod)
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LLVMDisposeBuilder(b)
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LLVMDisposeModule(mod)
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}
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