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builder: add loop helpers (create_loop_blocks/add_predecessor) and adopt in LoopBuilder; use BinaryExpr/CallExpr wrappers in expr lowering (no behavior change)

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Selfhosting Dev
2025-09-17 07:59:41 +09:00
parent f3be8ea5f6
commit 6b505b5435
3 changed files with 44 additions and 26 deletions
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20
src/mir/builder/exprs.rs
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@ -1,6 +1,6 @@
// Expression lowering split from builder.rs to keep files lean
use super::{ConstValue, MirInstruction, ValueId};
use crate::ast::{ASTNode, AssignStmt, ReturnStmt};
use crate::ast::{ASTNode, AssignStmt, ReturnStmt, BinaryExpr, CallExpr};
impl super::MirBuilder {
// Main expression dispatcher
@ -19,12 +19,11 @@ impl super::MirBuilder {
match ast {
ASTNode::Literal { value, .. } => self.build_literal(value),
ASTNode::BinaryOp {
left,
operator,
right,
..
} => self.build_binary_op(*left, operator, *right),
node @ ASTNode::BinaryOp { .. } => {
// Use BinaryExpr for clear destructuring (no behavior change)
let e = BinaryExpr::try_from(node).expect("ASTNode::BinaryOp must convert");
self.build_binary_op(*e.left, e.operator, *e.right)
}
ASTNode::UnaryOp {
operator, operand, ..
@ -87,9 +86,10 @@ impl super::MirBuilder {
}
}
ASTNode::FunctionCall {
name, arguments, ..
} => self.build_function_call(name.clone(), arguments.clone()),
node @ ASTNode::FunctionCall { .. } => {
let c = CallExpr::try_from(node).expect("ASTNode::FunctionCall must convert");
self.build_function_call(c.name, c.arguments)
}
ASTNode::Call {
callee, arguments, ..