diff options
| -rwxr-xr-x | environment.py | 4 | ||||
| -rwxr-xr-x | interpreter.py | 31 | ||||
| -rw-r--r-- | nodes.py | 6 |
3 files changed, 38 insertions, 3 deletions
diff --git a/environment.py b/environment.py index 01c80e9..2fbe652 100755 --- a/environment.py +++ b/environment.py @@ -17,8 +17,8 @@ import subprocess, os.path class EnvironmentException(Exception): - def __init(self, text): - Exception.__init__(self, text) + def __init(self, *args, **kwargs): + Exception.__init__(self, *args, **kwargs) def detect_c_compiler(execmd): exelist = execmd.split() diff --git a/interpreter.py b/interpreter.py index ff5e94f..559c9ee 100755 --- a/interpreter.py +++ b/interpreter.py @@ -28,7 +28,9 @@ class InvalidArguments(InterpreterException): pass class InterpreterObject(): - pass + + def method_call(self, method_name, *args, **kwargs): + raise InvalidCode('Object does not have method %s.' % method_name) class BuildTarget(InterpreterObject): @@ -45,12 +47,21 @@ class BuildTarget(InterpreterObject): def add_external_dep(self, dep): if not isinstance(dep, environment.PkgConfigDependency): + print(dep) + print(type(dep)) raise InvalidArguments('Argument is not an external dependency') self.external_deps.append(dep) def get_external_deps(self): return self.external_deps + def method_call(self, method_name, *args, **kwargs): + if method_name == 'add_dep': + dep = args[0] + self.add_external_dep(dep) + return + raise InvalidCode('Unknown method "%s" in BuildTarget.' % method_name) + class Executable(BuildTarget): pass @@ -92,6 +103,8 @@ class Interpreter(): return self.function_call(cur) elif isinstance(cur, nodes.Assignment): return self.assignment(cur) + elif isinstance(cur, nodes.MethodCall): + return self.method_call(cur) else: raise InvalidCode("Unknown statement in line %d." % cur.lineno()) @@ -171,6 +184,7 @@ class Interpreter(): var_name = node.var_name if not isinstance(var_name, nodes.AtomExpression): raise InvalidArguments('Line %d: Tried to assign value to a non-variable.' % node.lineno()) + var_name = var_name.get_value() value = self.evaluate_statement(node.value) if value is None: raise InvalidCode('Line %d: Can not assign None to variable.' % node.lineno()) @@ -178,6 +192,20 @@ class Interpreter(): raise InvalidCode('Line %d: Tried to assign an invalid value to variable.' % node.lineno()) self.variables[var_name] = value return value + + def method_call(self, node): + object_name = node.object_name.get_value() + method_name = node.method_name.get_value() + args = node.arguments + if not object_name in self.variables: + raise InvalidArguments('Line %d: unknown variable %s.' % (node.lineno(), object_name)) + obj = self.variables[object_name] + if not isinstance(obj, InterpreterObject): + raise InvalidArguments('Line %d: variable %s can not be called.' % (node.lineno(), object_name)) + # Fixme, write argument list reducer function. + var_name = args.arguments[0].get_value() + tmpargs = self.variables[var_name] + return obj.method_call(method_name, tmpargs) if __name__ == '__main__': code = """project('myawesomeproject') @@ -185,6 +213,7 @@ if __name__ == '__main__': language('c') prog = executable('prog', 'prog.c') dep = find_dep('gtk+-3.0') + prog.add_dep(dep) """ i = Interpreter(code) i.run() @@ -31,6 +31,9 @@ class AtomExpression(Expression): def __init__(self, value, lineno): Expression.__init__(self, lineno) self.value = value + + def get_value(self): + return self.value class StringExpression(Expression): def __init__(self, value, lineno): @@ -42,6 +45,9 @@ class AtomStatement(Statement): Statement.__init__(self, lineno) assert(type(value) == type('')) self.value = value + + def get_value(self): + return self.value class StringStatement(Statement): def __init__(self, value, lineno): |