Merged default library branch.

1 files changed, 127 insertions, 46 deletions

diff --git a/coredata.py b/coredata.py
index 711dddf8b..b1a9919f0 100644
--- a/coredata.py
+++ b/coredata.py
@@ -16,6 +16,11 @@ import pickle, os, uuid
 
 version = '0.27.0-research'
 
+build_types = ['plain', 'debug', 'debugoptimized', 'release']
+layouts = ['mirror', 'flat']
+warning_levels = ['1', '2', '3']
+libtypelist = ['shared', 'static']
+
 builtin_options = {'buildtype': True,
                    'strip': True,
                    'coverage': True,
@@ -31,8 +36,98 @@ builtin_options = {'buildtype': True,
                    'werror' : True,
                    'warning_level': True,
                    'layout' : True,
+                   'default_library': True,
                   }
 
+class MesonException(Exception):
+    def __init__(self, *args, **kwargs):
+        Exception.__init__(self, *args, **kwargs)
+
+class UserOption:
+    def __init__(self, name, description):
+        super().__init__()
+        self.name = name
+        self.description = description
+
+    def parse_string(self, valuestring):
+        return valuestring
+
+class UserStringOption(UserOption):
+    def __init__(self, name, description, value):
+        super().__init__(name, description)
+        self.set_value(value)
+
+    def validate(self, value):
+        if not isinstance(value, str):
+            raise MesonException('Value "%s" for string option "%s" is not a string.' % (str(newvalue), self.name))
+        if self.name == 'prefix' and not os.path.isabs(value):
+            raise MesonException('Prefix option must be an absolute path.')
+        if self.name in ('libdir', 'bindir', 'includedir', 'datadir', 'mandir', 'localedir') \
+            and os.path.isabs(value):
+            raise MesonException('Option %s must not be an absolute path.' % self.name)
+
+    def set_value(self, newvalue):
+        self.validate(newvalue)
+        self.value = newvalue
+
+class UserBooleanOption(UserOption):
+    def __init__(self, name, description, value):
+        super().__init__(name, description)
+        self.set_value(value)
+
+    def tobool(self, thing):
+        if isinstance(thing, bool):
+            return thing
+        if thing.lower() == 'true':
+            return True
+        if thing.lower() == 'false':
+            return False
+        raise MesonException('Value %s is not boolean (true or false).' % thing)
+
+    def set_value(self, newvalue):
+        self.value = self.tobool(newvalue)
+
+    def parse_string(self, valuestring):
+        if valuestring == 'false':
+            return False
+        if valuestring == 'true':
+            return True
+        raise MesonException('Value "%s" for boolean option "%s" is not a boolean.' % (valuestring, self.name))
+
+class UserComboOption(UserOption):
+    def __init__(self, name, description, choices, value):
+        super().__init__(name, description)
+        self.choices = choices
+        if not isinstance(self.choices, list):
+            raise MesonException('Combo choices must be an array.')
+        for i in self.choices:
+            if not isinstance(i, str):
+                raise MesonException('Combo choice elements must be strings.')
+        self.set_value(value)
+
+    def set_value(self, newvalue):
+        if newvalue not in self.choices:
+            optionsstring = ', '.join(['"%s"' % (item,) for item in self.choices])
+            raise MesonException('Value "%s" for combo option "%s" is not one of the choices. Possible choices are: %s.' % (newvalue, self.name, optionsstring))
+        self.value = newvalue
+
+class UserStringArrayOption(UserOption):
+    def __init__(self, name, description, value):
+        super().__init__(name, description)
+        self.set_value(value)
+
+    def set_value(self, newvalue):
+        if isinstance(newvalue, str):
+            if not newvalue.startswith('['):
+                raise MesonException('Valuestring does not define an array: ' + newvalue)
+            newvalue = eval(newvalue, {}, {}) # Yes, it is unsafe.
+        if not isinstance(newvalue, list):
+            raise MesonException('String array value is not an array.')
+        for i in newvalue:
+            if not isinstance(i, str):
+                raise MesonException('String array element not a string.')
+        self.value = newvalue
+
 # This class contains all data that must persist over multiple
 # invocations of Meson. It is roughly the same thing as
 # cmakecache.
@@ -45,22 +140,8 @@ class CoreData():
         self.regen_guid = str(uuid.uuid4()).upper()
         self.target_guids = {}
         self.version = version
-        self.prefix = options.prefix
-        self.libdir = options.libdir
-        self.bindir = options.bindir
-        self.includedir = options.includedir
-        self.datadir = options.datadir
-        self.mandir = options.mandir
-        self.localedir = options.localedir
-        self.backend = options.backend
-        self.buildtype = options.buildtype
-        self.strip = options.strip
-        self.use_pch = options.use_pch
-        self.unity = options.unity
-        self.coverage = options.coverage
-        self.warning_level = options.warning_level
-        self.werror = options.werror
-        self.layout = options.layout
+        self.builtin_options = {}
+        self.init_builtins(options)
         self.user_options = {}
         self.compiler_options = {}
         self.external_args = {} # These are set from "the outside" with e.g. mesonconf
@@ -77,35 +158,39 @@ class CoreData():
         self.ext_libs = {}
         self.modules = {}
 
+    def init_builtins(self, options):
+        self.builtin_options['prefix'] = UserStringOption('prefix', 'Installation prefix', options.prefix)
+        self.builtin_options['libdir'] = UserStringOption('libdir', 'Library dir', options.libdir)
+        self.builtin_options['bindir'] = UserStringOption('bindir', 'Executable dir', options.bindir)
+        self.builtin_options['includedir'] = UserStringOption('includedir', 'Include dir', options.includedir)
+        self.builtin_options['datadir'] = UserStringOption('datadir', 'Data directory', options.datadir)
+        self.builtin_options['mandir'] = UserStringOption('mandir', 'Man page dir', options.mandir)
+        self.builtin_options['localedir'] = UserStringOption('localedir', 'Locale dir', options.localedir)
+        self.builtin_options['backend'] = UserStringOption('backend', 'Backend to use', options.backend)
+        self.builtin_options['buildtype'] = UserComboOption('buildtype', 'Build type', build_types, options.buildtype)
+        self.builtin_options['strip'] = UserBooleanOption('strip', 'Strip on install', options.strip)
+        self.builtin_options['use_pch'] = UserBooleanOption('use_pch', 'Use precompiled headers', options.use_pch)
+        self.builtin_options['unity'] = UserBooleanOption('unity', 'Unity build', options.unity)
+        self.builtin_options['coverage'] = UserBooleanOption('coverage', 'Enable coverage', options.coverage)
+        self.builtin_options['warning_level'] = UserComboOption('warning_level', 'Warning level', warning_levels, options.warning_level)
+        self.builtin_options['werror'] = UserBooleanOption('werror', 'Warnings are errors', options.werror)
+        self.builtin_options['layout'] = UserComboOption('layout', 'Build dir layout', layouts, options.layout)
+        self.builtin_options['default_library'] = UserComboOption('default_library', 'Default_library type', libtypelist, options.default_library)
+
     def get_builtin_option(self, optname):
-        if optname == 'buildtype':
-            return self.buildtype
-        if optname == 'strip':
-            return self.strip
-        if optname == 'coverage':
-            return self.coverage
-        if optname == 'pch':
-            return self.use_pch
-        if optname == 'unity':
-            return self.unity
-        if optname == 'prefix':
-            return self.prefix
-        if optname == 'libdir':
-            return self.libdir
-        if optname == 'bindir':
-            return self.bindir
-        if optname == 'includedir':
-            return self.includedir
-        if optname == 'datadir':
-            return self.datadir
-        if optname == 'mandir':
-            return self.mandir
-        if optname == 'localedir':
-            return self.localedir
-        if optname == 'layout':
-            return self.layout
+        if optname in self.builtin_options:
+            return self.builtin_options[optname].value
         raise RuntimeError('Tried to get unknown builtin option %s' % optname)
 
+    def set_builtin_option(self, optname, value):
+        if optname in self.builtin_options:
+            self.builtin_options[optname].set_value(value)
+        else:
+            raise RuntimeError('Tried to set unknown builtin option %s' % optname)
+
+    def is_builtin_option(self, optname):
+        return optname in self.builtin_options
+
 def load(filename):
     obj = pickle.load(open(filename, 'rb'))
     if not isinstance(obj, CoreData):
@@ -134,7 +219,3 @@ forbidden_target_names = {'clean': None,
                           'install': None,
                           'build.ninja': None,
                          }
-
-class MesonException(Exception):
-    def __init__(self, *args, **kwargs):
-        Exception.__init__(self, *args, **kwargs)