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Update codegen.rs

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Shunsuke Shibayama 2022-09-29 20:45:10 +09:00
parent 9eb7e8e9ba
commit ea14f8b2ba
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compiler/erg_compiler/codegen.rs
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@ -441,6 +441,8 @@ impl CodeGenerator {
} }
} }
/// NOTE: For example, an operation that increases the stack by 2 and decreases it by 1 should be `stack_inc_n(2); stack_dec();` not `stack_inc(1);`.
/// This is because the stack size will not increase correctly.
fn stack_inc_n(&mut self, n: usize) { fn stack_inc_n(&mut self, n: usize) {
self.mut_cur_block().stack_len += n as u32; self.mut_cur_block().stack_len += n as u32;
if self.cur_block().stack_len > self.cur_block_codeobj().stacksize { if self.cur_block().stack_len > self.cur_block_codeobj().stacksize {