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: / usr / lib / python3 / dist-packages / gyp / generator /
Filename : dump_dependency_json.py
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# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.


import os
import gyp
import gyp.common
import gyp.msvs_emulation
import json

generator_supports_multiple_toolsets = True

generator_wants_static_library_dependencies_adjusted = False

generator_filelist_paths = {}

generator_default_variables = {}
for dirname in [
    "INTERMEDIATE_DIR",
    "SHARED_INTERMEDIATE_DIR",
    "PRODUCT_DIR",
    "LIB_DIR",
    "SHARED_LIB_DIR",
]:
    # Some gyp steps fail if these are empty(!).
    generator_default_variables[dirname] = "dir"
for unused in [
    "RULE_INPUT_PATH",
    "RULE_INPUT_ROOT",
    "RULE_INPUT_NAME",
    "RULE_INPUT_DIRNAME",
    "RULE_INPUT_EXT",
    "EXECUTABLE_PREFIX",
    "EXECUTABLE_SUFFIX",
    "STATIC_LIB_PREFIX",
    "STATIC_LIB_SUFFIX",
    "SHARED_LIB_PREFIX",
    "SHARED_LIB_SUFFIX",
    "CONFIGURATION_NAME",
]:
    generator_default_variables[unused] = ""


def CalculateVariables(default_variables, params):
    generator_flags = params.get("generator_flags", {})
    for key, val in generator_flags.items():
        default_variables.setdefault(key, val)
    default_variables.setdefault("OS", gyp.common.GetFlavor(params))

    flavor = gyp.common.GetFlavor(params)
    if flavor == "win":
        gyp.msvs_emulation.CalculateCommonVariables(default_variables, params)


def CalculateGeneratorInputInfo(params):
    """Calculate the generator specific info that gets fed to input (called by
  gyp)."""
    generator_flags = params.get("generator_flags", {})
    if generator_flags.get("adjust_static_libraries", False):
        global generator_wants_static_library_dependencies_adjusted
        generator_wants_static_library_dependencies_adjusted = True

    toplevel = params["options"].toplevel_dir
    generator_dir = os.path.relpath(params["options"].generator_output or ".")
    # output_dir: relative path from generator_dir to the build directory.
    output_dir = generator_flags.get("output_dir", "out")
    qualified_out_dir = os.path.normpath(
        os.path.join(toplevel, generator_dir, output_dir, "gypfiles")
    )
    global generator_filelist_paths
    generator_filelist_paths = {
        "toplevel": toplevel,
        "qualified_out_dir": qualified_out_dir,
    }


def GenerateOutput(target_list, target_dicts, data, params):
    # Map of target -> list of targets it depends on.
    edges = {}

    # Queue of targets to visit.
    targets_to_visit = target_list[:]

    while len(targets_to_visit) > 0:
        target = targets_to_visit.pop()
        if target in edges:
            continue
        edges[target] = []

        for dep in target_dicts[target].get("dependencies", []):
            edges[target].append(dep)
            targets_to_visit.append(dep)

    try:
        filepath = params["generator_flags"]["output_dir"]
    except KeyError:
        filepath = "."
    filename = os.path.join(filepath, "dump.json")
    f = open(filename, "w")
    json.dump(edges, f)
    f.close()
    print("Wrote json to %s." % filename)