diff options
-rwxr-xr-x | tools/bindings_generator.py | 67 |
1 files changed, 41 insertions, 26 deletions
diff --git a/tools/bindings_generator.py b/tools/bindings_generator.py index ffbb1359..fe230c43 100755 --- a/tools/bindings_generator.py +++ b/tools/bindings_generator.py @@ -102,15 +102,16 @@ for classname, clazz in classes.iteritems(): method['num_args'] = set(range(default_param-1, len(args)+1)) print 'zz ', classname, 'has num_args of', method['num_args'] + method['returns_text'] = method['returns'] if method['static']: - method['returns'] = method['returns'].replace('static', '') + method['returns_text'] = method['returns_text'].replace('static', '') # Fill in some missing stuff - if method.get('returns_const'): method['returns'] = 'const ' + method['returns'] + if method.get('returns_const'): method['returns_text'] = 'const ' + method['returns_text'] if method.get('returns_pointer'): - while method['returns'].count('*') < method['returns_pointer']: - method['returns'] += '*' - if method.get('returns_reference'): method['returns'] += '&' + while method['returns_text'].count('*') < method['returns_pointer']: + method['returns_text'] += '*' + if method.get('returns_reference'): method['returns_text'] += '&' # Explore all functions we need to generate, including parent classes, handling of overloading, etc. @@ -126,7 +127,7 @@ for classname, clazz in parsed.classes.iteritems(): if method['name'] not in clazz['final_methods']: clazz['final_methods'][method['name']] = {} - for key in ['name', 'constructor', 'static', 'returns', 'destructor', 'pure_virtual']: + for key in ['name', 'constructor', 'static', 'returns', 'returns_text', 'destructor', 'pure_virtual']: clazz['final_methods'][method['name']][key] = method[key] clazz['final_methods'][method['name']]['num_args'] = method['num_args'].copy() clazz['final_methods'][method['name']]['parameters'] = method['parameters'][:] @@ -180,6 +181,10 @@ def generate_class(generating_classname, classname, clazz): # TODO: deprecate ge inherited = generating_classname_head != classname_head + if clazz['abstract']: + # For abstract base classes, add a function definition on top. There is no constructor + gen_js.write('\nfunction ' + generating_classname_head + '(){}\n') + for method in clazz['final_methods'].itervalues(): mname = method['name'] if classname_head + '::' + mname in ignored: continue @@ -189,10 +194,11 @@ def generate_class(generating_classname, classname, clazz): # TODO: deprecate ge destructor = method['destructor'] static = method['static'] - print "zz generating:", generating_classname, classname, mname, constructor, method['returns'] + print "zz generating:", generating_classname, classname, mname, constructor, method['returns'], method['returns_text'] if destructor: continue if constructor and inherited: continue + if constructor and clazz['abstract']: continue # do not generate constructors for abstract base classes skip = False for i in range(len(args)): @@ -221,7 +227,7 @@ def generate_class(generating_classname, classname, clazz): # TODO: deprecate ge if skip: continue - ret = ((classname + ' *') if constructor else method['returns']).replace('virtual ', '') + ret = ((classname + ' *') if constructor else method['returns_text'])#.replace('virtual ', '') callprefix = 'new ' if constructor else ('self->' if not static else (classname + '::')) actualmname = '' @@ -281,8 +287,15 @@ def generate_class(generating_classname, classname, clazz): # TODO: deprecate ge calls += '''this.ptr = _%s_p%d(%s); ''' % (fullname, i, ', '.join(justargs[:i])) else: - calls += '''%s_%s_p%d(%s); -''' % ('return ' if ret != 'void' else '', fullname, i, ', '.join((['this.ptr'] if need_self else []) + justargs[:i])) + return_value = '''_%s_p%d(%s)''' % (fullname, i, ', '.join((['this.ptr'] if need_self else []) + justargs[:i])) + print 'zz making return', classname, method['name'], method['returns'], return_value + if method['returns'] in classes: + # Generate a wrapper + calls += '{ var ptr = ' + return_value + '; if (!ptr) return null; var ret = Object.create(' + method['returns'] + '.prototype); ret.ptr = ptr; return ret; }' + else: + # Normal return + calls += ('return ' if ret != 'void' else '') + return_value + ';' + calls += '\n' print 'Maekin:', classname, generating_classname, mname, mname_suffixed if constructor: @@ -307,7 +320,7 @@ function %s(%s) { %s %s } -''' % (generating_classname, mname_suffixed, ', '.join(justargs), argfixes, calls) +''' % (generating_classname_head, mname_suffixed, ', '.join(justargs), argfixes, calls) js_text = js_text.replace('\n\n', '\n').replace('\n\n', '\n') gen_js.write(js_text) @@ -317,7 +330,8 @@ function %s(%s) { for classname, clazz in classes.iteritems(): if any([name in ignored for name in classname.split('::')]): continue - # Nothing to generate for pure virtual classes + # Nothing to generate for pure virtual classes XXX actually this is not so. We do need to generate wrappers for returned objects, + # they are of a concrete class of course, but an known one, so we create a wrapper for an abstract base class. def check_pure_virtual(clazz, progeny): #if not clazz.get('inherits'): return False # If no inheritance info, not a class, this is a CppHeaderParser struct @@ -340,27 +354,28 @@ for classname, clazz in classes.iteritems(): print 'zz ignoring pure virtual class', classname, 'due to', method['name'] return True - if check_pure_virtual(clazz, []): - continue + clazz['abstract'] = check_pure_virtual(clazz, []) + #if check_pure_virtual(clazz, []): + # continue # Add a constructor if none exist has_constructor = False for method in clazz['methods']: - mname = method['name'] has_constructor = has_constructor or (method['constructor'] and not method['destructor']) - + print 'zz', classname, 'has constructor?', has_constructor - + if not has_constructor: - print 'zz no constructor for', classname, 'so ignoring' - continue - - clazz['methods'] = [{ - 'name': classname, - 'parameters': [], - 'pure_virtual': False, - 'destructor': False, - }] + clazz['methods'] + if not clazz['abstract']: + print 'zz no constructor for', classname, 'and not abstract, so ignoring' + continue + + #clazz['methods'] = [{ + # 'name': classname, + # 'parameters': [], + # 'pure_virtual': False, + # 'destructor': False, + #}] + clazz['methods'] generate_class(classname, classname, clazz) |