forked from platformio/platformio-core
283 lines
8.7 KiB
Python
283 lines
8.7 KiB
Python
# Copyright 2014-present PlatformIO <contact@platformio.org>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import absolute_import
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import atexit
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import re
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import sys
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from glob import glob
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from os import environ, remove
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from os.path import isfile, join
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from SCons.Action import Action
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from SCons.Script import ARGUMENTS
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from platformio import util
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class InoToCPPConverter(object):
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PROTOTYPE_RE = re.compile(r"""^(
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(\s*[a-z_\d]+\*?){1,2} # return type
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(\s+[a-z_\d]+\s*) # name of prototype
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\([a-z_,\.\*\&\[\]\s\d]*\) # arguments
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)\s*\{ # must end with {
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""", re.X | re.M | re.I)
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DETECTMAIN_RE = re.compile(r"void\s+(setup|loop)\s*\(", re.M | re.I)
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PROTOPTRS_TPLRE = r"\([^&\(]*&(%s)[^\)]*\)"
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def __init__(self, nodes):
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self.nodes = nodes
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def is_main_node(self, contents):
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return self.DETECTMAIN_RE.search(contents)
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def _parse_prototypes(self, file_path, contents):
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prototypes = []
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reserved_keywords = set(["if", "else", "while"])
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for match in self.PROTOTYPE_RE.finditer(contents):
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if (set([match.group(2).strip(), match.group(3).strip()]) &
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reserved_keywords):
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continue
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prototypes.append({"path": file_path, "match": match})
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return prototypes
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def append_prototypes(self, file_path, contents, prototypes):
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result = []
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if not prototypes:
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return result
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prototype_names = set(
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[p['match'].group(3).strip() for p in prototypes])
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split_pos = prototypes[0]['match'].start()
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for item in prototypes:
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if item['path'] == file_path:
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split_pos = item['match'].start()
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break
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match_ptrs = re.search(self.PROTOPTRS_TPLRE %
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("|".join(prototype_names)),
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contents[:split_pos], re.M)
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if match_ptrs:
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split_pos = contents.rfind("\n", 0, match_ptrs.start())
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result.append(contents[:split_pos].strip())
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result.append("%s;" %
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";\n".join([p['match'].group(1) for p in prototypes]))
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result.append('#line %d "%s"' %
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(contents.count("\n", 0, split_pos) + 2,
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file_path.replace("\\", "/")))
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result.append(contents[split_pos:].strip())
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return result
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def convert(self):
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prototypes = []
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data = []
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for node in self.nodes:
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ino_contents = node.get_text_contents()
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prototypes += self._parse_prototypes(node.get_path(), ino_contents)
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item = (node.get_path(), ino_contents)
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if self.is_main_node(ino_contents):
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data = [item] + data
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else:
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data.append(item)
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if not data:
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return None
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result = ["#include <Arduino.h>"]
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is_first = True
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for file_path, contents in data:
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result.append('#line 1 "%s"' % file_path.replace("\\", "/"))
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if is_first and prototypes:
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result += self.append_prototypes(file_path, contents,
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prototypes)
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else:
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result.append(contents)
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is_first = False
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return "\n".join(result)
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def ConvertInoToCpp(env):
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def delete_tmpcpp_file(file_):
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try:
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remove(file_)
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except: # pylint: disable=bare-except
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if isfile(file_):
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print("Warning: Could not remove temporary file '%s'. "
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"Please remove it manually." % file_)
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ino_nodes = (env.Glob(join("$PROJECTSRC_DIR", "*.ino")) +
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env.Glob(join("$PROJECTSRC_DIR", "*.pde")))
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c = InoToCPPConverter(ino_nodes)
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data = c.convert()
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if not data:
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return
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tmpcpp_file = join(env.subst("$PROJECTSRC_DIR"), "tmp_ino_to.cpp")
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with open(tmpcpp_file, "w") as f:
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f.write(data)
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atexit.register(delete_tmpcpp_file, tmpcpp_file)
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def DumpIDEData(env):
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def get_includes(env_):
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includes = []
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for item in env_.get("CPPPATH", []):
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invardir = False
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for vardiritem in env_.get("VARIANT_DIRS", []):
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if item == vardiritem[0]:
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includes.append(env_.subst(vardiritem[1]))
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invardir = True
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break
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if not invardir:
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includes.append(env_.subst(item))
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# installed libs
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for lb in env.GetLibBuilders():
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includes.extend(lb.get_inc_dirs())
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# includes from toolchains
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p = env.PioPlatform()
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for name in p.get_installed_packages():
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if p.get_package_type(name) != "toolchain":
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continue
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toolchain_dir = p.get_package_dir(name)
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toolchain_incglobs = [
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join(toolchain_dir, "*", "include*"),
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join(toolchain_dir, "lib", "gcc", "*", "*", "include*")
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]
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for g in toolchain_incglobs:
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includes.extend(glob(g))
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return includes
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def get_defines(env_):
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defines = []
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# global symbols
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for item in env_.get("CPPDEFINES", []):
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if isinstance(item, list) or isinstance(item, tuple):
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item = "=".join(item)
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defines.append(env_.subst(item).replace('\\"', '"'))
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# special symbol for Atmel AVR MCU
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if env['PIOPLATFORM'] == "atmelavr":
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defines.append(
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"__AVR_%s__" % env.BoardConfig().get("build.mcu").upper()
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.replace("ATMEGA", "ATmega").replace("ATTINY", "ATtiny"))
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return defines
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LINTCCOM = "$CFLAGS $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS"
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LINTCXXCOM = "$CXXFLAGS $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS"
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env_ = env.Clone()
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data = {
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"defines": get_defines(env_),
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"includes": get_includes(env_),
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"cc_flags": env_.subst(LINTCCOM),
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"cxx_flags": env_.subst(LINTCXXCOM),
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"cc_path": util.where_is_program(
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env_.subst("$CC"), env_.subst("${ENV['PATH']}")),
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"cxx_path": util.where_is_program(
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env_.subst("$CXX"), env_.subst("${ENV['PATH']}"))
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}
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# https://github.com/platformio/platformio-atom-ide/issues/34
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_new_defines = []
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for item in env_.get("CPPDEFINES", []):
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if isinstance(item, list) or isinstance(item, tuple):
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item = "=".join(item)
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item = item.replace('\\"', '"')
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if " " in item:
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_new_defines.append(item.replace(" ", "\\\\ "))
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else:
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_new_defines.append(item)
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env_.Replace(CPPDEFINES=_new_defines)
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data.update({
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"cc_flags": env_.subst(LINTCCOM),
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"cxx_flags": env_.subst(LINTCXXCOM)
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})
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return data
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def GetCompilerType(env):
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try:
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sysenv = environ.copy()
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sysenv['PATH'] = str(env['ENV']['PATH'])
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result = util.exec_command([env.subst("$CC"), "-v"], env=sysenv)
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except OSError:
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return None
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if result['returncode'] != 0:
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return None
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output = "".join([result['out'], result['err']]).lower()
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if "clang" in output and "LLVM" in output:
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return "clang"
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elif "gcc" in output:
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return "gcc"
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return None
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def GetActualLDScript(env):
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script = None
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for f in env.get("LINKFLAGS", []):
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if f.startswith("-Wl,-T"):
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script = env.subst(f[6:].replace('"', "").strip())
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if isfile(script):
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return script
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for d in env.get("LIBPATH", []):
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path = join(env.subst(d), script)
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if isfile(path):
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return path
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if script:
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sys.stderr.write(
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"Error: Could not find '%s' LD script in LDPATH '%s'\n" %
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(script, env.subst("$LIBPATH")))
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env.Exit(1)
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return None
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def VerboseAction(_, act, actstr):
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if int(ARGUMENTS.get("PIOVERBOSE", 0)):
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return act
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else:
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return Action(act, actstr)
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def exists(_):
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return True
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def generate(env):
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env.AddMethod(ConvertInoToCpp)
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env.AddMethod(DumpIDEData)
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env.AddMethod(GetCompilerType)
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env.AddMethod(GetActualLDScript)
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env.AddMethod(VerboseAction)
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return env
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