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[SCons] Add option to generate a compilation database. #1189

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merged 1 commit into from
Jul 31, 2023
Merged

[SCons] Add option to generate a compilation database. #1189

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39 changes: 33 additions & 6 deletions SConstruct
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Original file line number Diff line number Diff line change
Expand Up @@ -20,14 +20,19 @@ def normalize_path(val):
return val if os.path.isabs(val) else os.path.join(env.Dir("#").abspath, val)


def validate_api_file(key, val, env):
def validate_file(key, val, env):
if not os.path.isfile(normalize_path(val)):
raise UserError("GDExtension API file ('%s') does not exist: %s" % (key, val))
raise UserError("'%s' is not a file: %s" % (key, val))


def validate_gdextension_dir(key, val, env):
def validate_dir(key, val, env):
if not os.path.isdir(normalize_path(val)):
raise UserError("GDExtension directory ('%s') does not exist: %s" % (key, val))
raise UserError("'%s' is not a directory: %s" % (key, val))


def validate_parent_dir(key, val, env):
if not os.path.isdir(normalize_path(os.path.dirname(val))):
raise UserError("'%s' is not a directory: %s" % (key, os.path.dirname(val)))


def get_gdextension_dir(env):
Expand Down Expand Up @@ -115,15 +120,15 @@ opts.Add(
key="gdextension_dir",
help="Path to a custom directory containing GDExtension interface header and API JSON file",
default=env.get("gdextension_dir", None),
validator=validate_gdextension_dir,
validator=validate_dir,
)
)
opts.Add(
PathVariable(
key="custom_api_file",
help="Path to a custom GDExtension API JSON file (takes precedence over `gdextension_dir`)",
default=env.get("custom_api_file", None),
validator=validate_api_file,
validator=validate_file,
)
)
opts.Add(
Expand Down Expand Up @@ -151,6 +156,23 @@ opts.Add(
)
)

# compiledb
opts.Add(
BoolVariable(
key="compiledb",
help="Generate compilation DB (`compile_commands.json`) for external tools",
default=env.get("compiledb", False),
)
)
opts.Add(
PathVariable(
key="compiledb_file",
help="Path to a custom `compile_commands.json` file",
default=env.get("compiledb_file", "compile_commands.json"),
validator=validate_parent_dir,
)
)

# Add platform options
tools = {}
for pl in platforms:
Expand Down Expand Up @@ -242,6 +264,11 @@ else:
if env["precision"] == "double":
env.Append(CPPDEFINES=["REAL_T_IS_DOUBLE"])

# compile_commands.json
if env.get("compiledb", False):
env.Tool("compilation_db")
env.Alias("compiledb", env.CompilationDatabase(normalize_path(env["compiledb_file"])))

# Generate bindings
env.Append(BUILDERS={"GenerateBindings": Builder(action=scons_generate_bindings, emitter=scons_emit_files)})

Expand Down