Initial commit

DependencyGenerator.py

@@ -0,0 +1,115 @@
+import json, os, sys
+from urllib.parse import urlparse
+
+tab = " "*4
+nl_indent = "\n"+tab*2
+
+
+def escape(s, n):
+    return ' ' * n + s
+
+
+def generate_dependency_decl(name, keys):
+    max_key_length = 0
+    for (key, value) in keys.items():
+        max_key_length = max(max_key_length, len(key))
+
+    s = "import_dependency(" + name + nl_indent + (nl_indent).join(
+        map(lambda k: k[0] + " " + escape(k[1], max_key_length - len(k[0]) + 3), keys.items())) + ")"
+    return s
+
+
+j = json.load(sys.stdin)
+
+for (name, dep_info) in j.items():
+    sys.stderr.write('Updating dependency definitions for ' + name + '\n')
+    target_info = dep_info["target"]
+
+    target_type = target_info["type"]
+    src_dir = "${" + name + "_SOURCE_DIR}/"
+
+    dep_args = {}
+    if "git" in dep_info:
+        git_info = dep_info["git"]
+        git_repo = git_info["repository"]
+        git_tag = git_info["tag"]
+
+        git_url_parsed = urlparse(git_repo)
+        if git_url_parsed.hostname == 'github.com':
+            parts = git_url_parsed.path.split("/")
+            user = parts[1]
+            repo = parts[2]
+            repo = repo[:-4] if repo.endswith('.git') else repo
+            dep_args["URL"] = "https://github.com/" + user + "/" + repo + "/archive/" + git_tag + ".zip"
+            dep_args["DOWNLOAD_NAME"] = repo + "-" + git_tag + ".zip"
+        else:
+            print('git is only supported for github repositories at the moment.', file=sys.stderr)
+            exit(-1)
+    elif "url" in dep_info:
+        dep_args["URL"] = " ".join(dep_info["url"])
+
+    if 'download_name' in dep_info:
+        dep_args["DOWNLOAD_NAME"] = dep_info['download_name']
+
+    print("# -- Dependency: " + name)
+    print(generate_dependency_decl(name, dep_args))
+
+    public_decl_type = "PUBLIC"
+    if target_type == "static":
+        if isinstance(target_info["srcs"], list):
+            srcs = (nl_indent).join(map(lambda x: src_dir + x,target_info["srcs"]))
+        else:
+            print("file(GLOB " + name + "_SRCS " + src_dir + target_info["srcs"] + ")")
+            srcs = "${" + name + "_SRCS}"
+        print("add_library("+name+" STATIC "+nl_indent+srcs+")")
+
+    if target_type == "interface":
+        print("add_library("+name+" INTERFACE)")
+        public_decl_type = "INTERFACE"
+
+    if target_type == "subdirectory":
+        if "cache" in target_info:
+            for (var_name, value) in target_info["cache"].items():
+                if isinstance(value, bool):
+                    print("set("+var_name+" "+("ON" if value else "OFF")+" CACHE INTERNAL \"\" FORCE)")
+
+        print("add_subdirectory(${" + name + "_SOURCE_DIR} ${" + name + "_BINARY_DIR})")
+
+    if target_type == "cmake":
+        print("include(${PROJECT_SOURCE_DIR}/" + target_info["file"]+")\n")
+        continue
+
+    includes = []
+    if "public_includes" in target_info:
+        includes += list(map(lambda x: public_decl_type + " " + src_dir + x, target_info["public_includes"]))
+    if "private_includes" in target_info:
+        includes += list(map(lambda x: "PRIVATE " + src_dir + x, target_info["private_includes"]))
+    if len(includes) != 0:
+        print("target_include_directories("+name+" "+nl_indent+
+              nl_indent.join(includes)
+              +")")
+
+    defines = []
+    if "public_defines" in target_info:
+        defines += list(map(lambda x: public_decl_type + " " + x, target_info["public_defines"]))
+    if "private_defines" in target_info:
+        defines += list(map(lambda x: "PRIVATE " + x, target_info["private_defines"]))
+    if len(defines) != 0:
+        print("target_compile_definitions("+name+" "+nl_indent+
+              nl_indent.join(defines)
+              +")")
+
+    if "links" in target_info:
+        print("target_link_libraries("+name+" "+nl_indent+
+              nl_indent.join(map(lambda x: public_decl_type + ' ' + x, target_info["links"]))
+              +")")
+
+    if "aliases" in target_info:
+        for (tgt, src) in target_info["aliases"].items():
+            print("add_library("+tgt+" ALIAS "+src+")")
+
+    if "extra_cmake" in target_info:
+        print()
+        print("include(${PROJECT_SOURCE_DIR}/" + target_info["extra_cmake"]+")")
+    print()
+