From aa01066a3291d8cdf508a1d5c5630fb0ea01f236 Mon Sep 17 00:00:00 2001
From: jing <3030349106@qq.com>
Date: Mon, 29 Dec 2025 22:15:03 +0800
Subject: [PATCH] =?UTF-8?q?ir=E8=BF=90=E8=A1=8C=E8=84=9A=E6=9C=AC?=
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---
 scripts/gen_ir.sh | 75 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100755 scripts/gen_ir.sh

diff --git a/scripts/gen_ir.sh b/scripts/gen_ir.sh
new file mode 100755
index 0000000..f1e7666
--- /dev/null
+++ b/scripts/gen_ir.sh
@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+#./scripts/gen_ir.sh test/test_case/simple_add.sy --run
+
+set -euo pipefail
+
+if [[ $# -lt 1 || $# -gt 3 ]]; then
+  echo "用法: $0 <input.sy> [output_dir] [--run]" >&2
+  exit 1
+fi
+
+input=$1
+out_dir="out/ir"
+run_exec=false
+
+shift
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --run)
+      run_exec=true
+      ;;
+    *)
+      out_dir="$1"
+      ;;
+  esac
+  shift
+done
+
+if [[ ! -f "$input" ]]; then
+  echo "输入文件不存在: $input" >&2
+  exit 1
+fi
+
+compiler="./build/bin/compiler"
+if [[ ! -x "$compiler" ]]; then
+  echo "未找到编译器: $compiler ，请先构建（如: mkdir -p build && cd build && cmake .. && make -j）" >&2
+  exit 1
+fi
+
+mkdir -p "$out_dir"
+base=$(basename "$input")
+stem=${base%.sy}
+out_file="$out_dir/$stem.ll"
+"$compiler" "$input" > "$out_file"
+echo "IR 已生成: $out_file"
+
+# 为 LLVM 使用准备纯净 IR（去掉可能的 AST 调试输出），写入同目录。
+pure_file="$out_dir/$stem.ir.ll"
+awk '/^define /{p=1} p' "$out_file" > "$pure_file"
+
+if [[ ! -s "$pure_file" ]]; then
+  echo "警告: 未找到 IR 定义（文件可能只包含 AST 输出），未生成 $pure_file" >&2
+else
+  echo "纯净 IR 已生成: $pure_file"
+fi
+
+if [[ "$run_exec" == true ]]; then
+  if ! command -v llc >/dev/null 2>&1; then
+    echo "未找到 llc，无法运行 IR。请安装 LLVM。" >&2
+    exit 1
+  fi
+  if ! command -v clang >/dev/null 2>&1; then
+    echo "未找到 clang，无法链接可执行文件。请安装 LLVM/Clang。" >&2
+    exit 1
+  fi
+  obj="$out_dir/$stem.o"
+  exe="$out_dir/$stem.exe"
+  llc -filetype=obj "$pure_file" -o "$obj"
+  clang "$obj" -o "$exe"
+  echo "运行 $exe ..."
+  set +e
+  "$exe"
+  status=$?
+  set -e
+  echo "退出码: $status"
+fi