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Refactoring in compiling binops

This commit is contained in:
greg 2017-01-13 22:29:17 -08:00
parent d804efdc5e
commit a6773d59bd
1 changed files with 13 additions and 10 deletions
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23
src/compilation.rs
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@ -59,8 +59,8 @@ fn compile_ast(ast: AST, filename: &str) {
let mut data = CompilationData {
context: context,
module: module,
builder: builder,
module: module,
variables: names,
func: None,
};
@ -148,16 +148,19 @@ impl CodeGen for Expression {
BinExp(ref op, ref left, ref right) => {
let lhs = left.codegen(data);
let rhs = right.codegen(data);
let generator = match *op {
Add => LLVMWrap::BuildAdd,
Sub => LLVMWrap::BuildSub,
Mul => LLVMWrap::BuildMul,
Div => LLVMWrap::BuildUDiv,
Mod => LLVMWrap::BuildSRem,
macro_rules! simple_binop {
($fnname: expr) => {
$fnname(data.builder, lhs, rhs, "temp")
}
}
match *op {
Add => simple_binop!(LLVMWrap::BuildAdd),
Sub => simple_binop!(LLVMWrap::BuildSub),
Mul => simple_binop!(LLVMWrap::BuildMul),
Div => simple_binop!(LLVMWrap::BuildUDiv),
Mod => simple_binop!(LLVMWrap::BuildSRem),
_ => panic!("Bad operator {:?}", op),
};
generator(data.builder, lhs, rhs, "temp")
}
}
Number(ref n) => {
let native_val = *n as u64;