1 files changed, 316 insertions, 0 deletions
diff --git a/debian/uncrustify-trinity/uncrustify-trinity-0.74.0/scripts/update_emscripten_bindings.py b/debian/uncrustify-trinity/uncrustify-trinity-0.74.0/scripts/update_emscripten_bindings.py
new file mode 100644
index 00000000..d44a58a6
--- /dev/null
+++ b/debian/uncrustify-trinity/uncrustify-trinity-0.74.0/scripts/update_emscripten_bindings.py
@@ -0,0 +1,316 @@
+#!/bin/python
+from __future__ import print_function  # python >= 2.6, chained 'with' >= 2.7
+
+from os.path import dirname, abspath
+from os import fdopen as os_fdopen, remove as os_remove, name as os_name
+from shutil import copy2
+from subprocess import Popen, PIPE
+from sys import exit as sys_exit, stderr
+from tempfile import mkstemp
+from contextlib import contextmanager
+from threading import Timer
+import re
+
+
+ROOT_DIR = dirname(dirname(abspath(__file__)))
+
+# ==============================================================================
+
+FILE_BINDINGS = "%s/src/uncrustify_emscripten.cpp" % ROOT_DIR
+FILE_TS = "%s/emscripten/libUncrustify.d.ts" % ROOT_DIR
+
+REGION_START = "region enum bindings"
+REGION_END = "endregion enum bindings"
+
+''' Enums which values need to be updated in the binding code '''
+ENUMS_INFO = [
+    {
+        'name': 'option_type_e',
+        'substitute_name': 'OptionType',
+        'filepath': '%s/src/option.h' % ROOT_DIR,
+        'extra_arg': [],
+        'filter_values': [],
+        'suffix_chars': 0,
+    },
+    {
+        'name': 'iarf_e',
+        'substitute_name': 'IARF',
+        'filepath': '%s/src/option.h' % ROOT_DIR,
+        'extra_arg': [],
+        'filter_values': ['NOT_DEFINED'],
+        'suffix_chars': 0,
+    },
+    {
+        'name': 'line_end_e',
+        'substitute_name': 'LineEnd',
+        'filepath': '%s/src/option.h' % ROOT_DIR,
+        'extra_arg': [],
+        'filter_values': [],
+        'suffix_chars': 0,
+    },
+    {
+        'name': 'token_pos_e',
+        'substitute_name': 'TokenPos',
+        'filepath': '%s/src/option.h' % ROOT_DIR,
+        'extra_arg': [],
+        'filter_values': [],
+        'suffix_chars': 0,
+    },
+    {
+        'name': 'log_sev_t',
+        'substitute_name': 'LogType',
+        'filepath': '%s/src/log_levels.h' % ROOT_DIR,
+        'extra_arg': [],
+        'filter_values': [],
+        'suffix_chars': 1,
+    },
+    {
+        'name': 'c_token_t',
+        'substitute_name': 'TokenType',
+        'filepath': '%s/src/token_enum.h' % ROOT_DIR,
+        'extra_arg': [],
+        'filter_values': ['CT_TOKEN_COUNT_'],
+        'suffix_chars': 3,
+    },
+    {
+        'name': 'lang_flag_e',
+        'substitute_name': 'Language',
+        'filepath': '%s/src/uncrustify_types.h' % ROOT_DIR,
+        'extra_arg': ["-extra-arg=-std=c++1z", "-extra-arg=-DEMSCRIPTEN"],
+        'filter_values': [
+            'LANG_ALLC',
+            'LANG_ALL',
+            'FLAG_HDR',
+            'FLAG_DIG',
+            'FLAG_PP',
+        ],
+        'suffix_chars': 5,
+    },
+]
+
+# ==============================================================================
+
+NULL_DEV = "/dev/null" if os_name != "nt" else "nul"
+
+
+@contextmanager
+def make_raw_temp_file(*args, **kwargs):
+    fd, tmp_file_name = mkstemp(*args, **kwargs)
+    try:
+        yield (fd, tmp_file_name)
+    finally:
+        os_remove(tmp_file_name)
+
+
+@contextmanager
+def open_fd(*args, **kwargs):
+    fp = os_fdopen(*args, **kwargs)
+    try:
+        yield fp
+    finally:
+        fp.close()
+
+
+def term_proc(proc, timeout):
+    """
+    helper function terminate a process if a timer times out
+
+    :param proc: the process object that is going to be terminated
+    :param timeout: value that will be set to indicate termination
+    """
+    timeout["value"] = True
+    proc.terminate()
+
+
+def proc_output(args, timeout_sec=10):
+    """
+    grabs output from called program
+    :param args: string array containing program name and program arguments
+    :param timeout_sec: max sec the program can run without being terminated
+    :return: utf8 decoded program output in a string
+    """
+    proc = Popen(args, stdout=PIPE)
+
+    timeout = {"value": False}
+    if timeout_sec is not None:
+        timeout = {"value": False}
+        timer = Timer(timeout_sec, term_proc, [proc, timeout])
+        timer.start()
+
+    output_b, error_txt_b = proc.communicate()
+
+    if timeout_sec is not None:
+        timer.cancel()
+
+    output = output_b.decode("UTF-8")
+
+    if timeout["value"]:
+        print("proc timeout: %s" % ' '.join(args), file=stderr)
+
+    return output if not timeout["value"] else None
+
+
+def get_enum_lines(enum_info):
+    """
+    extracts enum values from a file via clang-check
+
+    :param enum_info: dict with:
+                        'name' (name of the enum),
+                        'filepath' (file containing the enum definition),
+                        'extra_arg' (extra arguments passed to clang-check)
+    :return: list containing enum values
+    """
+    cut_len = len(enum_info['name'])
+
+    proc_args = ["clang-check", enum_info['filepath'], "-ast-dump",
+                 '-ast-dump-filter=%s' % enum_info['name']]
+    proc_args += enum_info['extra_arg']
+
+    output = proc_output(proc_args)
+    if output is None or len(output) == 0:
+        print("ScriptError: %s - empty clang-check return" % get_enum_lines.__name__,
+              file=stderr)
+        return ()
+
+    reg_obj = re.compile("EnumConstantDecl.+col:\d+ (referenced )?(\w+)")
+
+    lines = [m.group(2) for l in output.splitlines()
+             for m in [re.search(reg_obj, l)] if m]
+    lines = [line for line in lines if line not in enum_info['filter_values']]
+
+    if len(lines) == 0:
+        print("ScriptError: %s - no enum_info names found" % get_enum_lines.__name__,
+              file=stderr)
+        return ()
+    return lines
+
+
+def write_ts(opened_file_obj, enum_info):
+    """
+    writes enum values in a specific typescript d.ts file format
+
+    :param opened_file_obj: opened file file object (with write permissions)
+    :param enum_info: dict with:
+                        'name' (name of the enum),
+                        'substitute_name' (substitute name for the enum),
+                        'filepath' (file containing the enum definition),
+                        'extra_arg' (extra arguments passed to clang-check)
+    :return: False on failure else True
+    """
+    lines = get_enum_lines(enum_info)
+    if len(lines) == 0:
+        return False
+
+    opened_file_obj.write(
+        '    export interface %sValue extends EmscriptenEnumTypeObject {}\n'
+        '    export interface %s extends EmscriptenEnumType\n'
+        '    {\n'
+        % (enum_info['substitute_name'], enum_info['substitute_name'])
+    )
+    for line in lines:
+        opened_file_obj.write(
+            '        %s : %sValue;\n'
+            % (line[enum_info['suffix_chars']:], enum_info['substitute_name'])
+        )
+    opened_file_obj.write(
+        '    }\n\n'
+    )
+    return True
+
+
+def write_bindings(opened_file_obj, enum_info):
+    """
+    writes enum values in a specific emscripten embind enum bindings format
+
+    :param opened_file_obj: opened file file object (with write permissions)
+    :param enum_info: dict with:
+                        'name' (name of the enum),
+                        'filepath' (file containing the enum definition),
+                        'extra_arg' (extra arguments passed to clang-check)
+    :return: False on failure else True
+    """
+    lines = get_enum_lines(enum_info)
+    if len(lines) == 0:
+        return False
+
+    opened_file_obj.write(
+        '   enum_<%s>("%s")' % (enum_info['name'], enum_info['substitute_name'])
+    )
+    for line in lines:
+        opened_file_obj.write(
+            '\n      .value("%s", %s::%s)'
+            % (line[enum_info['suffix_chars']:], enum_info['name'], line)
+        )
+    opened_file_obj.write(
+        ';\n\n'
+    )
+    return True
+
+
+def update_file(file_path, writer_func, enums_info):
+    """
+    reads in a file and replaces old enum value in a region, which is defined by
+    region start and end string, with updated ones
+
+    :param file_path: file in which the replacement will be made
+    :param writer_func: name of the function that will be called to write new
+                        content
+    :param enums_info:list of dicts each containing:
+                    'name' (name of the enum),
+                    'substitute_name' (substitute name for the enum),
+                    'filepath' (file containing the enum definition),
+                    'extra_arg' (extra arguments passed to clang-check)
+    :return: False on failure else True
+    """
+    in_target_region = False
+
+    reg_obj_start = re.compile(".*%s$" % REGION_START)
+    reg_obj_end = re.compile(".*%s$" % REGION_END)
+    reg_obj = reg_obj_start
+
+    with make_raw_temp_file(suffix='.unc') as (fd, tmp_file_path):
+        with open(file_path, 'r') as fr, open_fd(fd, 'w') as fw:
+            for line in fr:
+                match = None if reg_obj is None else re.search(reg_obj, line)
+
+                if match is None and not in_target_region:
+                    fw.write(line)                # write out of region code
+
+                elif match is not None and not in_target_region:
+                    fw.write(line)                # hit the start region
+
+                    in_target_region = True
+                    reg_obj = reg_obj_end
+
+                    for enum in enums_info:
+                        succes_flag = writer_func(fw, enum)
+                        if not succes_flag:       # abort, keep input file clean
+                            return False
+
+                elif match is None and in_target_region:
+                    pass                          # ignore old binding code
+
+                elif match and in_target_region:  # hit the endregion
+                    fw.write(line)
+
+                    in_target_region = False
+                    reg_obj = None
+
+        copy2(tmp_file_path, file_path)           # overwrite input file
+        return True
+
+
+def main():
+    flag = update_file(FILE_BINDINGS, write_bindings, ENUMS_INFO)
+    if not flag:
+        return 1
+
+    flag = update_file(FILE_TS, write_ts, ENUMS_INFO)
+    if not flag:
+        return 1
+
+    return 0
+
+
+if __name__ == "__main__":
+    sys_exit(main())