622894f96e
Qt uses the qtNomakeTools() function to mark a directory which will not be built as part of the default target. This is especially important when cross-compiling (to iOS for example) because the build process might fail. The condition for not building these "GUI tool sub-directory projects" is the absence of the "tools" value in qmake's QT_BUILD_PARTS variable. Introduce a QT_NO_MAKE_TOOLS CMake variable. If the value is true, it's equivalent to "tools" not being present in QT_BUILD_PARTS. Introduce qt_exclude_tool_directories_from_default_target(). It's the qmake counter part to qtNomakeTools(). Teach pro2cmake to generate it where appropriate. Change-Id: If2e5958d91847ab139af0e452608510286e73fa0 Reviewed-by: Leander Beernaert <leander.beernaert@qt.io> Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
398 lines
14 KiB
Python
398 lines
14 KiB
Python
#!/usr/bin/env python3
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#############################################################################
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##
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## Copyright (C) 2018 The Qt Company Ltd.
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## Contact: https://www.qt.io/licensing/
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##
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## This file is part of the plugins of the Qt Toolkit.
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##
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## $QT_BEGIN_LICENSE:GPL-EXCEPT$
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## Commercial License Usage
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## Licensees holding valid commercial Qt licenses may use this file in
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## accordance with the commercial license agreement provided with the
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## Software or, alternatively, in accordance with the terms contained in
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## a written agreement between you and The Qt Company. For licensing terms
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## and conditions see https://www.qt.io/terms-conditions. For further
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## information use the contact form at https://www.qt.io/contact-us.
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##
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## GNU General Public License Usage
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## Alternatively, this file may be used under the terms of the GNU
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## General Public License version 3 as published by the Free Software
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## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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## included in the packaging of this file. Please review the following
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## information to ensure the GNU General Public License requirements will
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## be met: https://www.gnu.org/licenses/gpl-3.0.html.
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##
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## $QT_END_LICENSE$
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##
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#############################################################################
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import collections
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import os
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import re
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from itertools import chain
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from typing import Tuple
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import pyparsing as pp # type: ignore
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from helper import _set_up_py_parsing_nicer_debug_output
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_set_up_py_parsing_nicer_debug_output(pp)
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def fixup_linecontinuation(contents: str) -> str:
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# Remove all line continuations, aka a backslash followed by
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# a newline character with an arbitrary amount of whitespace
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# between the backslash and the newline.
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# This greatly simplifies the qmake parsing grammar.
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contents = re.sub(r"([^\t ])\\[ \t]*\n", "\\1 ", contents)
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contents = re.sub(r"\\[ \t]*\n", "", contents)
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return contents
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def fixup_comments(contents: str) -> str:
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# Get rid of completely commented out lines.
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# So any line which starts with a '#' char and ends with a new line
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# will be replaced by a single new line.
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#
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# This is needed because qmake syntax is weird. In a multi line
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# assignment (separated by backslashes and newlines aka
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# # \\\n ), if any of the lines are completely commented out, in
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# principle the assignment should fail.
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#
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# It should fail because you would have a new line separating
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# the previous value from the next value, and the next value would
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# not be interpreted as a value, but as a new token / operation.
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# qmake is lenient though, and accepts that, so we need to take
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# care of it as well, as if the commented line didn't exist in the
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# first place.
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contents = re.sub(r"\n#[^\n]*?\n", "\n", contents, re.DOTALL)
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return contents
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def flatten_list(l):
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""" Flattens an irregular nested list into a simple list."""
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for el in l:
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if isinstance(el, collections.abc.Iterable) and not isinstance(el, (str, bytes)):
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yield from flatten_list(el)
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else:
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yield el
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def handle_function_value(group: pp.ParseResults):
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function_name = group[0]
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function_args = group[1]
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if function_name == "qtLibraryTarget":
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if len(function_args) > 1:
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raise RuntimeError(
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"Don't know what to with more than one function argument "
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"for $$qtLibraryTarget()."
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)
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return str(function_args[0])
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if function_name == "quote":
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# Do nothing, just return a string result
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return str(group)
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if function_name == "files":
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return str(function_args[0])
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if function_name == "basename":
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if len(function_args) != 1:
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print(f"XXXX basename with more than one argument")
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if function_args[0] == "_PRO_FILE_PWD_":
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return os.path.basename(os.getcwd())
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print(f"XXXX basename with value other than _PRO_FILE_PWD_")
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return os.path.basename(str(function_args[0]))
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if isinstance(function_args, pp.ParseResults):
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function_args = list(flatten_list(function_args.asList()))
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# For other functions, return the whole expression as a string.
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return f"$${function_name}({' '.join(function_args)})"
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class QmakeParser:
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def __init__(self, *, debug: bool = False) -> None:
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self.debug = debug
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self._Grammar = self._generate_grammar()
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def _generate_grammar(self):
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# Define grammar:
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pp.ParserElement.setDefaultWhitespaceChars(" \t")
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def add_element(name: str, value: pp.ParserElement):
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nonlocal self
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if self.debug:
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value.setName(name)
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value.setDebug()
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return value
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EOL = add_element("EOL", pp.Suppress(pp.LineEnd()))
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Else = add_element("Else", pp.Keyword("else"))
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Identifier = add_element(
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"Identifier", pp.Word(f"{pp.alphas}_", bodyChars=pp.alphanums + "_-./")
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)
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BracedValue = add_element(
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"BracedValue",
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pp.nestedExpr(
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ignoreExpr=pp.quotedString
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| pp.QuotedString(
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quoteChar="$(", endQuoteChar=")", escQuote="\\", unquoteResults=False
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)
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).setParseAction(lambda s, l, t: ["(", *t[0], ")"]),
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)
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Substitution = add_element(
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"Substitution",
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pp.Combine(
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pp.Literal("$")
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+ (
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(
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(pp.Literal("$") + Identifier + pp.Optional(pp.nestedExpr()))
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| (pp.Literal("(") + Identifier + pp.Literal(")"))
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| (pp.Literal("{") + Identifier + pp.Literal("}"))
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| (
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pp.Literal("$")
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+ pp.Literal("{")
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+ Identifier
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+ pp.Optional(pp.nestedExpr())
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+ pp.Literal("}")
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)
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| (pp.Literal("$") + pp.Literal("[") + Identifier + pp.Literal("]"))
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)
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)
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),
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)
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LiteralValuePart = add_element(
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"LiteralValuePart", pp.Word(pp.printables, excludeChars="$#{}()")
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)
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SubstitutionValue = add_element(
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"SubstitutionValue",
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pp.Combine(pp.OneOrMore(Substitution | LiteralValuePart | pp.Literal("$"))),
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)
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FunctionValue = add_element(
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"FunctionValue",
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pp.Group(
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pp.Suppress(pp.Literal("$") + pp.Literal("$"))
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+ Identifier
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+ pp.nestedExpr() # .setParseAction(lambda s, l, t: ['(', *t[0], ')'])
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).setParseAction(lambda s, l, t: handle_function_value(*t)),
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)
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Value = add_element(
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"Value",
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pp.NotAny(Else | pp.Literal("}") | EOL)
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+ (
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pp.QuotedString(quoteChar='"', escChar="\\")
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| FunctionValue
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| SubstitutionValue
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| BracedValue
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),
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)
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Values = add_element("Values", pp.ZeroOrMore(Value)("value"))
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Op = add_element(
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"OP",
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pp.Literal("=")
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| pp.Literal("-=")
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| pp.Literal("+=")
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| pp.Literal("*=")
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| pp.Literal("~="),
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)
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Key = add_element("Key", Identifier)
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Operation = add_element(
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"Operation", Key("key") + pp.locatedExpr(Op)("operation") + Values("value")
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)
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CallArgs = add_element("CallArgs", pp.nestedExpr())
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def parse_call_args(results):
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out = ""
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for item in chain(*results):
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if isinstance(item, str):
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out += item
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else:
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out += "(" + parse_call_args(item) + ")"
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return out
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CallArgs.setParseAction(parse_call_args)
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Load = add_element("Load", pp.Keyword("load") + CallArgs("loaded"))
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Include = add_element(
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"Include", pp.Keyword("include") + pp.locatedExpr(CallArgs)("included")
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)
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Option = add_element("Option", pp.Keyword("option") + CallArgs("option"))
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RequiresCondition = add_element("RequiresCondition", pp.originalTextFor(pp.nestedExpr()))
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def parse_requires_condition(s, l, t):
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# The following expression unwraps the condition via the additional info
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# set by originalTextFor.
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condition_without_parentheses = s[t._original_start + 1 : t._original_end - 1]
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# And this replaces the colons with '&&' similar how it's done for 'Condition'.
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condition_without_parentheses = (
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condition_without_parentheses.strip().replace(":", " && ").strip(" && ")
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)
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return condition_without_parentheses
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RequiresCondition.setParseAction(parse_requires_condition)
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Requires = add_element(
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"Requires", pp.Keyword("requires") + RequiresCondition("project_required_condition")
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)
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FunctionArgumentsAsString = add_element(
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"FunctionArgumentsAsString", pp.originalTextFor(pp.nestedExpr())
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)
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QtNoMakeTools = add_element(
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"QtNoMakeTools",
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pp.Keyword("qtNomakeTools") + FunctionArgumentsAsString("qt_no_make_tools_arguments"),
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)
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# ignore the whole thing...
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DefineTestDefinition = add_element(
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"DefineTestDefinition",
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pp.Suppress(
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pp.Keyword("defineTest")
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+ CallArgs
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+ pp.nestedExpr(opener="{", closer="}", ignoreExpr=pp.LineEnd())
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),
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)
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# ignore the whole thing...
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ForLoop = add_element(
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"ForLoop",
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pp.Suppress(
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pp.Keyword("for")
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+ CallArgs
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+ pp.nestedExpr(opener="{", closer="}", ignoreExpr=pp.LineEnd())
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),
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)
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# ignore the whole thing...
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ForLoopSingleLine = add_element(
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"ForLoopSingleLine",
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pp.Suppress(pp.Keyword("for") + CallArgs + pp.Literal(":") + pp.SkipTo(EOL)),
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)
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# ignore the whole thing...
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FunctionCall = add_element("FunctionCall", pp.Suppress(Identifier + pp.nestedExpr()))
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Scope = add_element("Scope", pp.Forward())
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Statement = add_element(
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"Statement",
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pp.Group(
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Load
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| Include
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| Option
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| Requires
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| QtNoMakeTools
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| ForLoop
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| ForLoopSingleLine
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| DefineTestDefinition
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| FunctionCall
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| Operation
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),
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)
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StatementLine = add_element("StatementLine", Statement + (EOL | pp.FollowedBy("}")))
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StatementGroup = add_element(
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"StatementGroup", pp.ZeroOrMore(StatementLine | Scope | pp.Suppress(EOL))
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)
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Block = add_element(
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"Block",
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pp.Suppress("{")
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+ pp.Optional(EOL)
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+ StatementGroup
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+ pp.Optional(EOL)
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+ pp.Suppress("}")
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+ pp.Optional(EOL),
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)
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ConditionEnd = add_element(
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"ConditionEnd",
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pp.FollowedBy(
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(pp.Optional(pp.White()) + (pp.Literal(":") | pp.Literal("{") | pp.Literal("|")))
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),
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)
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ConditionPart1 = add_element(
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"ConditionPart1", (pp.Optional("!") + Identifier + pp.Optional(BracedValue))
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)
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ConditionPart2 = add_element("ConditionPart2", pp.CharsNotIn("#{}|:=\\\n"))
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ConditionPart = add_element(
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"ConditionPart", (ConditionPart1 ^ ConditionPart2) + ConditionEnd
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)
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ConditionOp = add_element("ConditionOp", pp.Literal("|") ^ pp.Literal(":"))
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ConditionWhiteSpace = add_element(
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"ConditionWhiteSpace", pp.Suppress(pp.Optional(pp.White(" ")))
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)
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ConditionRepeated = add_element(
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"ConditionRepeated", pp.ZeroOrMore(ConditionOp + ConditionWhiteSpace + ConditionPart)
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)
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Condition = add_element("Condition", pp.Combine(ConditionPart + ConditionRepeated))
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Condition.setParseAction(lambda x: " ".join(x).strip().replace(":", " && ").strip(" && "))
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# Weird thing like write_file(a)|error() where error() is the alternative condition
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# which happens to be a function call. In this case there is no scope, but our code expects
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# a scope with a list of statements, so create a fake empty statement.
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ConditionEndingInFunctionCall = add_element(
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"ConditionEndingInFunctionCall",
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pp.Suppress(ConditionOp)
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+ FunctionCall
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+ pp.Empty().setParseAction(lambda x: [[]]).setResultsName("statements"),
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)
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SingleLineScope = add_element(
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"SingleLineScope",
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pp.Suppress(pp.Literal(":")) + pp.Group(Block | (Statement + EOL))("statements"),
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)
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MultiLineScope = add_element("MultiLineScope", Block("statements"))
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SingleLineElse = add_element(
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"SingleLineElse",
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pp.Suppress(pp.Literal(":")) + (Scope | Block | (Statement + pp.Optional(EOL))),
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)
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MultiLineElse = add_element("MultiLineElse", Block)
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ElseBranch = add_element("ElseBranch", pp.Suppress(Else) + (SingleLineElse | MultiLineElse))
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# Scope is already add_element'ed in the forward declaration above.
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Scope <<= pp.Group(
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Condition("condition")
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+ (SingleLineScope | MultiLineScope | ConditionEndingInFunctionCall)
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+ pp.Optional(ElseBranch)("else_statements")
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)
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Grammar = StatementGroup("statements")
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Grammar.ignore(pp.pythonStyleComment())
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return Grammar
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def parseFile(self, file: str) -> Tuple[pp.ParseResults, str]:
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print(f'Parsing "{file}"...')
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try:
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with open(file, "r") as file_fd:
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contents = file_fd.read()
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# old_contents = contents
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contents = fixup_comments(contents)
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contents = fixup_linecontinuation(contents)
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result = self._Grammar.parseString(contents, parseAll=True)
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except pp.ParseException as pe:
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print(pe.line)
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print(f"{' ' * (pe.col-1)}^")
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print(pe)
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raise pe
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return result, contents
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def parseProFile(file: str, *, debug=False) -> Tuple[pp.ParseResults, str]:
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parser = QmakeParser(debug=debug)
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return parser.parseFile(file)
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