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-rw-r--r--waflib/extras/file_to_object.py137
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diff --git a/waflib/extras/file_to_object.py b/waflib/extras/file_to_object.py
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--- a/waflib/extras/file_to_object.py
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-#!/usr/bin/python
-# -*- coding: utf-8 -*-
-# Tool to embed file into objects
-
-__author__ = __maintainer__ = "Jérôme Carretero <cJ-waf@zougloub.eu>"
-__copyright__ = "Jérôme Carretero, 2014"
-
-"""
-
-This tool allows to embed file contents in object files (.o).
-It is not exactly portable, and the file contents are reachable
-using various non-portable fashions.
-The goal here is to provide a functional interface to the embedding
-of file data in objects.
-See the ``playground/embedded_resources`` example for an example.
-
-Usage::
-
- bld(
- name='pipeline',
- # ^ Reference this in use="..." for things using the generated code
- features='file_to_object',
- source='some.file',
- # ^ Name of the file to embed in binary section.
- )
-
-Known issues:
-
-- Destination is named like source, with extension renamed to .o
- eg. some.file -> some.o
-
-"""
-
-import os
-from waflib import Task, TaskGen, Errors
-
-def filename_c_escape(x):
- return x.replace("\\", "\\\\")
-
-class file_to_object_s(Task.Task):
- color = 'CYAN'
- vars = ['DEST_CPU', 'DEST_BINFMT']
-
- def run(self):
- name = []
- for i, x in enumerate(self.inputs[0].name):
- if x.isalnum():
- name.append(x)
- else:
- name.append('_')
- file = self.inputs[0].abspath()
- size = os.path.getsize(file)
- if self.env.DEST_CPU in ('x86_64', 'ia', 'aarch64'):
- unit = 'quad'
- align = 8
- elif self.env.DEST_CPU in ('x86','arm', 'thumb', 'm68k'):
- unit = 'long'
- align = 4
- else:
- raise Errors.WafError("Unsupported DEST_CPU, please report bug!")
-
- file = filename_c_escape(file)
- name = "_binary_" + "".join(name)
- rodata = ".section .rodata"
- if self.env.DEST_BINFMT == "mac-o":
- name = "_" + name
- rodata = ".section __TEXT,__const"
-
- with open(self.outputs[0].abspath(), 'w') as f:
- f.write(\
-"""
- .global %(name)s_start
- .global %(name)s_end
- .global %(name)s_size
- %(rodata)s
-%(name)s_start:
- .incbin "%(file)s"
-%(name)s_end:
- .align %(align)d
-%(name)s_size:
- .%(unit)s 0x%(size)x
-""" % locals())
-
-class file_to_object_c(Task.Task):
- color = 'CYAN'
- def run(self):
- name = []
- for i, x in enumerate(self.inputs[0].name):
- if x.isalnum():
- name.append(x)
- else:
- name.append('_')
- file = self.inputs[0].abspath()
- size = os.path.getsize(file)
-
- name = "_binary_" + "".join(name)
-
- data = self.inputs[0].read('rb')
- lines, line = [], []
- for idx_byte, byte in enumerate(data):
- line.append(byte)
- if len(line) > 15 or idx_byte == size-1:
- lines.append(", ".join(("0x%02x" % ord(x)) for x in line))
- line = []
- data = ",\n ".join(lines)
-
- self.outputs[0].write(\
-"""
-unsigned long %(name)s_size = %(size)dL;
-char const %(name)s_start[] = {
- %(data)s
-};
-char const %(name)s_end[] = {};
-""" % locals())
-
-@TaskGen.feature('file_to_object')
-@TaskGen.before_method('process_source')
-def tg_file_to_object(self):
- bld = self.bld
- sources = self.to_nodes(self.source)
- targets = []
- for src in sources:
- if bld.env.F2O_METHOD == ["asm"]:
- tgt = src.parent.find_or_declare(src.name + '.f2o.s')
- tsk = self.create_task('file_to_object_s', src, tgt)
- tsk.cwd = src.parent.abspath() # verify
- else:
- tgt = src.parent.find_or_declare(src.name + '.f2o.c')
- tsk = self.create_task('file_to_object_c', src, tgt)
- tsk.cwd = src.parent.abspath() # verify
- targets.append(tgt)
- self.source = targets
-
-def configure(conf):
- conf.load('gas')
- conf.env.F2O_METHOD = ["c"]
-