强制WASM增量构建

结论：INI和解释器WASM构建已改为对象、依赖和命令指纹驱动的增量编译，并将所有构建必须增量写入项目规则。
2026-06-08 05:05:17 +08:00
parent caa35820cd
commit 09304115ef
4 changed files with 203 additions and 13 deletions
--- a/wasm-port/tools/wasm_incremental_build_lib.sh
+++ b/wasm-port/tools/wasm_incremental_build_lib.sh
@@ -0,0 +1,139 @@
+#!/usr/bin/env bash
+
+write_command_file() {
+  local file="$1"
+  shift
+  printf '%q\n' "$@" > "$file"
+}
+
+command_matches() {
+  local file="$1"
+  shift
+
+  local tmp
+  tmp="$(mktemp)"
+  write_command_file "$tmp" "$@"
+  if [[ -f "$file" ]] && cmp -s "$tmp" "$file"; then
+    rm -f "$tmp"
+    return 0
+  fi
+  rm -f "$tmp"
+  return 1
+}
+
+depfile_newer_than() {
+  local depfile="$1"
+  local output="$2"
+
+  [[ -f "$depfile" ]] || return 0
+
+  local deps
+  deps="$(tr '\\\n' '  ' < "$depfile" | sed -e 's/^[^:]*://')"
+  local dep
+  for dep in $deps; do
+    if [[ -f "$dep" && "$dep" -nt "$output" ]]; then
+      return 0
+    fi
+  done
+  return 1
+}
+
+object_needs_rebuild() {
+  local obj="$1"
+  local depfile="$2"
+  local cmdfile="$3"
+  shift 3
+
+  [[ -f "$obj" ]] || return 0
+  command_matches "$cmdfile" "$@" || return 0
+  depfile_newer_than "$depfile" "$obj" && return 0
+  return 1
+}
+
+link_needs_rebuild() {
+  local output="$1"
+  local cmdfile="$2"
+  shift 2
+
+  [[ -f "$output" ]] || return 0
+  command_matches "$cmdfile" "$@" || return 0
+
+  local arg
+  for arg in "$@"; do
+    if [[ -f "$arg" && "$arg" -nt "$output" ]]; then
+      return 0
+    fi
+  done
+  return 1
+}
+
+source_object_path() {
+  local source="$1"
+  local root_dir="$2"
+  local obj_dir="$3"
+  local relative="${source#"$root_dir"/}"
+
+  if [[ "$relative" == "$source" ]]; then
+    relative="$(basename "$source")"
+  fi
+
+  relative="${relative//\//__}"
+  printf '%s/%s.o' "$obj_dir" "${relative%.*}"
+}
+
+compile_wasm_object() {
+  local target="$1"
+  local source="$2"
+  local obj="$3"
+  local build_dir="$4"
+  shift 4
+
+  local stdout_log="$build_dir/$target.stdout.log"
+  local stderr_log="$build_dir/$target.stderr.log"
+  local depfile="$obj.d"
+  local cmdfile="$obj.cmd"
+  local cmd=(emcc "$@" -MMD -MP -MF "$depfile" -c "$source" -o "$obj")
+
+  mkdir -p "$(dirname "$obj")"
+  if ! object_needs_rebuild "$obj" "$depfile" "$cmdfile" "${cmd[@]}"; then
+    printf 'up to date: %s\n' "$source" >> "$stdout_log"
+    return 0
+  fi
+
+  printf 'compile: %s\n' "$source" >> "$stdout_log"
+  if "${cmd[@]}" >> "$stdout_log" 2>> "$stderr_log"; then
+    write_command_file "$cmdfile" "${cmd[@]}"
+    return 0
+  fi
+  return 1
+}
+
+link_wasm_module() {
+  local target="$1"
+  local output="$2"
+  local build_dir="$3"
+  shift 3
+
+  local stdout_log="$build_dir/$target.stdout.log"
+  local stderr_log="$build_dir/$target.stderr.log"
+  local cmdfile="$build_dir/$(basename "$output").cmd"
+  local wasm_output="${output%.js}.wasm"
+  local cmd=(emcc "$@" -o "$output")
+
+  if [[ -f "$output" && ! -f "$wasm_output" ]]; then
+    printf 'missing paired wasm output: %s\n' "$wasm_output" >> "$stdout_log"
+    rm -f "$output"
+  fi
+
+  if ! link_needs_rebuild "$output" "$cmdfile" "${cmd[@]}"; then
+    printf 'up to date: %s\n' "$output" >> "$stdout_log"
+    return 0
+  fi
+
+  printf 'link: %s\n' "$output" >> "$stdout_log"
+  if "${cmd[@]}" >> "$stdout_log" 2>> "$stderr_log"; then
+    write_command_file "$cmdfile" "${cmd[@]}"
+    return 0
+  fi
+  return 1
+}