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comparison python/ppci/recipe.py @ 342:86b02c98a717 devel

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Moved target directory
author Windel Bouwman
date Sat, 01 Mar 2014 15:40:31 +0100
parents
children b8ad45b3a573
comparison
equal deleted inserted replaced
341:4d204f6f7d4e 342:86b02c98a717
1 import os
2 import yaml
3
4 from .buildtasks import Compile, Assemble, Link
5 from .objectfile import ObjectFile
6 from .target.target_list import target_list
7
8
9 targets = {t.name: t for t in target_list}
10 targetnames = list(targets.keys())
11
12 class RecipeLoader:
13 """ Loads a recipe into a runner from a dictionary or file """
14 def __init__(self):
15 self.directive_handlers = {}
16 for a in dir(self):
17 if a.startswith('handle_'):
18 f = getattr(self, a)
19 self.directive_handlers[a[7:]] = f
20
21 def load_file(self, recipe_file, runner):
22 """ Loads a recipe dictionary into a task runner """
23 self.recipe_dir = os.path.abspath(os.path.dirname(recipe_file))
24 with open(recipe_file, 'r') as f:
25 recipe = yaml.load(f)
26 self.runner = runner
27 self.load_dict(recipe)
28
29 def relpath(self, filename):
30 return os.path.join(self.recipe_dir, filename)
31
32 def openfile(self, filename):
33 return open(self.relpath(filename), 'r')
34
35 def handle_compile(self, value):
36 sources = [self.openfile(s) for s in value['sources']]
37 includes = [self.openfile(i) for i in value['includes']]
38 target = targets[value['machine']]
39 output = ObjectFile()
40 task = Compile(sources, includes, target, output)
41 self.runner.add_task(task)
42 return task
43
44 def handle_assemble(self, value):
45 asm_src = self.openfile(value['source'])
46 target = targets[value['machine']]
47 output = ObjectFile()
48 task = Assemble(asm_src, target, output)
49 self.runner.add_task(task)
50 return task
51
52 def handle_link(self, value):
53 inputs = value['inputs']
54 objs = []
55 for i in inputs:
56 task = self.load_dict(i)
57 objs.append(task.output)
58 layout = value['layout']
59 output = self.relpath(value['output'])
60 self.runner.add_task(Link(objs, layout, output))
61
62 def handle_apps(self, value):
63 for a in value:
64 self.load_dict(a)
65
66 def load_dict(self, recipe):
67 for command, value in recipe.items():
68 return self.directive_handlers[command](value)
69
70
71