| /* |
| * Copyright 2011,2015 Sven Verdoolaege. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY SVEN VERDOOLAEGE ''AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SVEN VERDOOLAEGE OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
| * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * The views and conclusions contained in the software and documentation |
| * are those of the authors and should not be interpreted as |
| * representing official policies, either expressed or implied, of |
| * Sven Verdoolaege. |
| */ |
| |
| #include "isl_config.h" |
| |
| #include <stdio.h> |
| #include <iostream> |
| #include <map> |
| #include <vector> |
| |
| #include "python.h" |
| #include "generator.h" |
| |
| /* Drop the "isl_" initial part of the type name "name". |
| */ |
| static string type2python(string name) |
| { |
| return name.substr(4); |
| } |
| |
| /* Print the header of the method "name" with "n_arg" arguments. |
| * If "is_static" is set, then mark the python method as static. |
| * |
| * If the method is called "from", then rename it to "convert_from" |
| * because "from" is a python keyword. |
| */ |
| void python_generator::print_method_header(bool is_static, const string &name, |
| int n_arg) |
| { |
| const char *s; |
| |
| if (is_static) |
| printf(" @staticmethod\n"); |
| |
| s = name.c_str(); |
| if (name == "from") |
| s = "convert_from"; |
| |
| printf(" def %s(", s); |
| for (int i = 0; i < n_arg; ++i) { |
| if (i) |
| printf(", "); |
| printf("arg%d", i); |
| } |
| printf("):\n"); |
| } |
| |
| /* Print a check that the argument in position "pos" is of type "type". |
| * If this fails and if "upcast" is set, then convert the first |
| * argument to "super" and call the method "name" on it, passing |
| * the remaining of the "n" arguments. |
| * If the check fails and "upcast" is not set, then simply raise |
| * an exception. |
| * If "upcast" is not set, then the "super", "name" and "n" arguments |
| * to this function are ignored. |
| */ |
| void python_generator::print_type_check(const string &type, int pos, |
| bool upcast, const string &super, const string &name, int n) |
| { |
| printf(" try:\n"); |
| printf(" if not arg%d.__class__ is %s:\n", |
| pos, type.c_str()); |
| printf(" arg%d = %s(arg%d)\n", |
| pos, type.c_str(), pos); |
| printf(" except:\n"); |
| if (upcast) { |
| printf(" return %s(arg0).%s(", |
| type2python(super).c_str(), name.c_str()); |
| for (int i = 1; i < n; ++i) { |
| if (i != 1) |
| printf(", "); |
| printf("arg%d", i); |
| } |
| printf(")\n"); |
| } else |
| printf(" raise\n"); |
| } |
| |
| /* Construct a wrapper for a callback argument (at position "arg"). |
| * Assign the wrapper to "cb". We assume here that a function call |
| * has at most one callback argument. |
| * |
| * The wrapper converts the arguments of the callback to python types. |
| * If any exception is thrown, the wrapper keeps track of it in exc_info[0] |
| * and returns -1. Otherwise the wrapper returns 0. |
| */ |
| void python_generator::print_callback(QualType type, int arg) |
| { |
| const FunctionProtoType *fn = type->getAs<FunctionProtoType>(); |
| unsigned n_arg = fn->getNumArgs(); |
| |
| printf(" exc_info = [None]\n"); |
| printf(" fn = CFUNCTYPE(c_int"); |
| for (unsigned i = 0; i < n_arg - 1; ++i) { |
| if (!is_isl_type(fn->getArgType(i))) |
| die("Argument has non-isl type"); |
| printf(", c_void_p"); |
| } |
| printf(", c_void_p)\n"); |
| printf(" def cb_func("); |
| for (unsigned i = 0; i < n_arg; ++i) { |
| if (i) |
| printf(", "); |
| printf("cb_arg%d", i); |
| } |
| printf("):\n"); |
| for (unsigned i = 0; i < n_arg - 1; ++i) { |
| string arg_type; |
| arg_type = type2python(extract_type(fn->getArgType(i))); |
| printf(" cb_arg%d = %s(ctx=arg0.ctx, " |
| "ptr=cb_arg%d)\n", i, arg_type.c_str(), i); |
| } |
| printf(" try:\n"); |
| printf(" arg%d(", arg); |
| for (unsigned i = 0; i < n_arg - 1; ++i) { |
| if (i) |
| printf(", "); |
| printf("cb_arg%d", i); |
| } |
| printf(")\n"); |
| printf(" except:\n"); |
| printf(" import sys\n"); |
| printf(" exc_info[0] = sys.exc_info()\n"); |
| printf(" return -1\n"); |
| printf(" return 0\n"); |
| printf(" cb = fn(cb_func)\n"); |
| } |
| |
| /* Print the argument at position "arg" in call to "fd". |
| * "skip" is the number of initial arguments of "fd" that are |
| * skipped in the Python method. |
| * |
| * If the argument is a callback, then print a reference to |
| * the callback wrapper "cb". |
| * Otherwise, if the argument is marked as consuming a reference, |
| * then pass a copy of the pointer stored in the corresponding |
| * argument passed to the Python method. |
| * Otherwise, if the argument is a pointer, then pass this pointer itself. |
| * Otherwise, pass the argument directly. |
| */ |
| void python_generator::print_arg_in_call(FunctionDecl *fd, int arg, int skip) |
| { |
| ParmVarDecl *param = fd->getParamDecl(arg); |
| QualType type = param->getOriginalType(); |
| if (is_callback(type)) { |
| printf("cb"); |
| } else if (takes(param)) { |
| string type_s = extract_type(type); |
| printf("isl.%s_copy(arg%d.ptr)", type_s.c_str(), arg - skip); |
| } else if (type->isPointerType()) { |
| printf("arg%d.ptr", arg - skip); |
| } else { |
| printf("arg%d", arg - skip); |
| } |
| } |
| |
| /* Print the return statement of the python method corresponding |
| * to the C function "method". |
| * |
| * If the return type is a (const) char *, then convert the result |
| * to a Python string, raising an error on NULL and freeing |
| * the C string if needed. For python 3 compatibility, the string returned |
| * by isl is explicitly decoded as an 'ascii' string. This is correct |
| * as all strings returned by isl are expected to be 'ascii'. |
| * |
| * If the return type is isl_bool, then convert the result to |
| * a Python boolean, raising an error on isl_bool_error. |
| */ |
| void python_generator::print_method_return(FunctionDecl *method) |
| { |
| QualType return_type = method->getReturnType(); |
| |
| if (is_isl_type(return_type)) { |
| string type; |
| |
| type = type2python(extract_type(return_type)); |
| printf(" return %s(ctx=ctx, ptr=res)\n", type.c_str()); |
| } else if (is_string(return_type)) { |
| printf(" if res == 0:\n"); |
| printf(" raise\n"); |
| printf(" string = " |
| "cast(res, c_char_p).value.decode('ascii')\n"); |
| |
| if (gives(method)) |
| printf(" libc.free(res)\n"); |
| |
| printf(" return string\n"); |
| } else if (is_isl_bool(return_type)) { |
| printf(" if res < 0:\n"); |
| printf(" raise\n"); |
| printf(" return bool(res)\n"); |
| } else { |
| printf(" return res\n"); |
| } |
| } |
| |
| /* Print a python method corresponding to the C function "method". |
| * "super" contains the superclasses of the class to which the method belongs, |
| * with the first element corresponding to the annotation that appears |
| * closest to the annotated type. This superclass is the least |
| * general extension of the annotated type in the linearization |
| * of the class hierarchy. |
| * |
| * If the first argument of "method" is something other than an instance |
| * of the class, then mark the python method as static. |
| * If, moreover, this first argument is an isl_ctx, then remove |
| * it from the arguments of the Python method. |
| * |
| * If the function has a callback argument, then it also has a "user" |
| * argument. Since Python has closures, there is no need for such |
| * a user argument in the Python interface, so we simply drop it. |
| * We also create a wrapper ("cb") for the callback. |
| * |
| * For each argument of the function that refers to an isl structure, |
| * including the object on which the method is called, |
| * we check if the corresponding actual argument is of the right type. |
| * If not, we try to convert it to the right type. |
| * If that doesn't work and if "super" contains at least one element, we try |
| * to convert self to the type of the first superclass in "super" and |
| * call the corresponding method. |
| * |
| * If the function consumes a reference, then we pass it a copy of |
| * the actual argument. |
| */ |
| void python_generator::print_method(const isl_class &clazz, |
| FunctionDecl *method, vector<string> super) |
| { |
| string fullname = method->getName(); |
| string cname = fullname.substr(clazz.name.length() + 1); |
| int num_params = method->getNumParams(); |
| int drop_user = 0; |
| int drop_ctx = first_arg_is_isl_ctx(method); |
| |
| for (int i = 1; i < num_params; ++i) { |
| ParmVarDecl *param = method->getParamDecl(i); |
| QualType type = param->getOriginalType(); |
| if (is_callback(type)) |
| drop_user = 1; |
| } |
| |
| print_method_header(is_static(clazz, method), cname, |
| num_params - drop_ctx - drop_user); |
| |
| for (int i = drop_ctx; i < num_params; ++i) { |
| ParmVarDecl *param = method->getParamDecl(i); |
| string type; |
| if (!is_isl_type(param->getOriginalType())) |
| continue; |
| type = type2python(extract_type(param->getOriginalType())); |
| if (!drop_ctx && i > 0 && super.size() > 0) |
| print_type_check(type, i - drop_ctx, true, super[0], |
| cname, num_params - drop_user); |
| else |
| print_type_check(type, i - drop_ctx, false, "", |
| cname, -1); |
| } |
| for (int i = 1; i < num_params; ++i) { |
| ParmVarDecl *param = method->getParamDecl(i); |
| QualType type = param->getOriginalType(); |
| if (!is_callback(type)) |
| continue; |
| print_callback(type->getPointeeType(), i - drop_ctx); |
| } |
| if (drop_ctx) |
| printf(" ctx = Context.getDefaultInstance()\n"); |
| else |
| printf(" ctx = arg0.ctx\n"); |
| printf(" res = isl.%s(", fullname.c_str()); |
| if (drop_ctx) |
| printf("ctx"); |
| else |
| print_arg_in_call(method, 0, 0); |
| for (int i = 1; i < num_params - drop_user; ++i) { |
| printf(", "); |
| print_arg_in_call(method, i, drop_ctx); |
| } |
| if (drop_user) |
| printf(", None"); |
| printf(")\n"); |
| |
| if (drop_user) { |
| printf(" if exc_info[0] != None:\n"); |
| printf(" raise (exc_info[0][0], " |
| "exc_info[0][1], exc_info[0][2])\n"); |
| } |
| |
| print_method_return(method); |
| } |
| |
| /* Print part of an overloaded python method corresponding to the C function |
| * "method". |
| * |
| * In particular, print code to test whether the arguments passed to |
| * the python method correspond to the arguments expected by "method" |
| * and to call "method" if they do. |
| */ |
| void python_generator::print_method_overload(const isl_class &clazz, |
| FunctionDecl *method) |
| { |
| string fullname = method->getName(); |
| int num_params = method->getNumParams(); |
| int first; |
| string type; |
| |
| first = is_static(clazz, method) ? 0 : 1; |
| |
| printf(" if "); |
| for (int i = first; i < num_params; ++i) { |
| if (i > first) |
| printf(" and "); |
| ParmVarDecl *param = method->getParamDecl(i); |
| if (is_isl_type(param->getOriginalType())) { |
| string type; |
| type = extract_type(param->getOriginalType()); |
| type = type2python(type); |
| printf("arg%d.__class__ is %s", i, type.c_str()); |
| } else |
| printf("type(arg%d) == str", i); |
| } |
| printf(":\n"); |
| printf(" res = isl.%s(", fullname.c_str()); |
| print_arg_in_call(method, 0, 0); |
| for (int i = 1; i < num_params; ++i) { |
| printf(", "); |
| print_arg_in_call(method, i, 0); |
| } |
| printf(")\n"); |
| type = type2python(extract_type(method->getReturnType())); |
| printf(" return %s(ctx=arg0.ctx, ptr=res)\n", type.c_str()); |
| } |
| |
| /* Print a python method with a name derived from "fullname" |
| * corresponding to the C functions "methods". |
| * "super" contains the superclasses of the class to which the method belongs. |
| * |
| * If "methods" consists of a single element that is not marked overloaded, |
| * the use print_method to print the method. |
| * Otherwise, print an overloaded method with pieces corresponding |
| * to each function in "methods". |
| */ |
| void python_generator::print_method(const isl_class &clazz, |
| const string &fullname, const set<FunctionDecl *> &methods, |
| vector<string> super) |
| { |
| string cname; |
| set<FunctionDecl *>::const_iterator it; |
| int num_params; |
| FunctionDecl *any_method; |
| |
| any_method = *methods.begin(); |
| if (methods.size() == 1 && !is_overload(any_method)) { |
| print_method(clazz, any_method, super); |
| return; |
| } |
| |
| cname = fullname.substr(clazz.name.length() + 1); |
| num_params = any_method->getNumParams(); |
| |
| print_method_header(is_static(clazz, any_method), cname, num_params); |
| |
| for (it = methods.begin(); it != methods.end(); ++it) |
| print_method_overload(clazz, *it); |
| } |
| |
| /* Print part of the constructor for this isl_class. |
| * |
| * In particular, check if the actual arguments correspond to the |
| * formal arguments of "cons" and if so call "cons" and put the |
| * result in self.ptr and a reference to the default context in self.ctx. |
| * |
| * If the function consumes a reference, then we pass it a copy of |
| * the actual argument. |
| * |
| * If the function takes a string argument, the python string is first |
| * encoded as a byte sequence, using 'ascii' as encoding. This assumes |
| * that all strings passed to isl can be converted to 'ascii'. |
| */ |
| void python_generator::print_constructor(const isl_class &clazz, |
| FunctionDecl *cons) |
| { |
| string fullname = cons->getName(); |
| string cname = fullname.substr(clazz.name.length() + 1); |
| int num_params = cons->getNumParams(); |
| int drop_ctx = first_arg_is_isl_ctx(cons); |
| |
| printf(" if len(args) == %d", num_params - drop_ctx); |
| for (int i = drop_ctx; i < num_params; ++i) { |
| ParmVarDecl *param = cons->getParamDecl(i); |
| QualType type = param->getOriginalType(); |
| if (is_isl_type(type)) { |
| string s; |
| s = type2python(extract_type(type)); |
| printf(" and args[%d].__class__ is %s", |
| i - drop_ctx, s.c_str()); |
| } else if (type->isPointerType()) { |
| printf(" and type(args[%d]) == str", i - drop_ctx); |
| } else { |
| printf(" and type(args[%d]) == int", i - drop_ctx); |
| } |
| } |
| printf(":\n"); |
| printf(" self.ctx = Context.getDefaultInstance()\n"); |
| printf(" self.ptr = isl.%s(", fullname.c_str()); |
| if (drop_ctx) |
| printf("self.ctx"); |
| for (int i = drop_ctx; i < num_params; ++i) { |
| ParmVarDecl *param = cons->getParamDecl(i); |
| QualType type = param->getOriginalType(); |
| if (i) |
| printf(", "); |
| if (is_isl_type(type)) { |
| if (takes(param)) { |
| string type; |
| type = extract_type(param->getOriginalType()); |
| printf("isl.%s_copy(args[%d].ptr)", |
| type.c_str(), i - drop_ctx); |
| } else |
| printf("args[%d].ptr", i - drop_ctx); |
| } else if (is_string(type)) { |
| printf("args[%d].encode('ascii')", i - drop_ctx); |
| } else { |
| printf("args[%d]", i - drop_ctx); |
| } |
| } |
| printf(")\n"); |
| printf(" return\n"); |
| } |
| |
| /* Print the header of the class "name" with superclasses "super". |
| * The order of the superclasses is the opposite of the order |
| * in which the corresponding annotations appear in the source code. |
| */ |
| void python_generator::print_class_header(const isl_class &clazz, |
| const string &name, const vector<string> &super) |
| { |
| printf("class %s", name.c_str()); |
| if (super.size() > 0) { |
| printf("("); |
| for (unsigned i = 0; i < super.size(); ++i) { |
| if (i > 0) |
| printf(", "); |
| printf("%s", type2python(super[i]).c_str()); |
| } |
| printf(")"); |
| } else { |
| printf("(object)"); |
| } |
| printf(":\n"); |
| } |
| |
| /* Tell ctypes about the return type of "fd". |
| * In particular, if "fd" returns a pointer to an isl object, |
| * then tell ctypes it returns a "c_void_p". |
| * Similarly, if "fd" returns an isl_bool, |
| * then tell ctypes it returns a "c_bool". |
| * If "fd" returns a char *, then simply tell ctypes. |
| */ |
| void python_generator::print_restype(FunctionDecl *fd) |
| { |
| string fullname = fd->getName(); |
| QualType type = fd->getReturnType(); |
| if (is_isl_type(type)) |
| printf("isl.%s.restype = c_void_p\n", fullname.c_str()); |
| else if (is_isl_bool(type)) |
| printf("isl.%s.restype = c_bool\n", fullname.c_str()); |
| else if (is_string(type)) |
| printf("isl.%s.restype = POINTER(c_char)\n", fullname.c_str()); |
| } |
| |
| /* Tell ctypes about the types of the arguments of the function "fd". |
| */ |
| void python_generator::print_argtypes(FunctionDecl *fd) |
| { |
| string fullname = fd->getName(); |
| int n = fd->getNumParams(); |
| int drop_user = 0; |
| |
| printf("isl.%s.argtypes = [", fullname.c_str()); |
| for (int i = 0; i < n - drop_user; ++i) { |
| ParmVarDecl *param = fd->getParamDecl(i); |
| QualType type = param->getOriginalType(); |
| if (is_callback(type)) |
| drop_user = 1; |
| if (i) |
| printf(", "); |
| if (is_isl_ctx(type)) |
| printf("Context"); |
| else if (is_isl_type(type) || is_callback(type)) |
| printf("c_void_p"); |
| else if (is_string(type)) |
| printf("c_char_p"); |
| else if (is_long(type)) |
| printf("c_long"); |
| else |
| printf("c_int"); |
| } |
| if (drop_user) |
| printf(", c_void_p"); |
| printf("]\n"); |
| } |
| |
| /* Print type definitions for the method 'fd'. |
| */ |
| void python_generator::print_method_type(FunctionDecl *fd) |
| { |
| print_restype(fd); |
| print_argtypes(fd); |
| } |
| |
| /* Print declarations for methods printing the class representation, |
| * provided there is a corresponding *_to_str function. |
| * |
| * In particular, provide an implementation of __str__ and __repr__ methods to |
| * override the default representation used by python. Python uses __str__ to |
| * pretty print the class (e.g., when calling print(obj)) and uses __repr__ |
| * when printing a precise representation of an object (e.g., when dumping it |
| * in the REPL console). |
| * |
| * Check the type of the argument before calling the *_to_str function |
| * on it in case the method was called on an object from a subclass. |
| * |
| * The return value of the *_to_str function is decoded to a python string |
| * assuming an 'ascii' encoding. This is necessary for python 3 compatibility. |
| */ |
| void python_generator::print_representation(const isl_class &clazz, |
| const string &python_name) |
| { |
| if (!clazz.fn_to_str) |
| return; |
| |
| printf(" def __str__(arg0):\n"); |
| print_type_check(python_name, 0, false, "", "", -1); |
| printf(" ptr = isl.%s(arg0.ptr)\n", |
| string(clazz.fn_to_str->getName()).c_str()); |
| printf(" res = cast(ptr, c_char_p).value.decode('ascii')\n"); |
| printf(" libc.free(ptr)\n"); |
| printf(" return res\n"); |
| printf(" def __repr__(self):\n"); |
| printf(" s = str(self)\n"); |
| printf(" if '\"' in s:\n"); |
| printf(" return 'isl.%s(\"\"\"%%s\"\"\")' %% s\n", |
| python_name.c_str()); |
| printf(" else:\n"); |
| printf(" return 'isl.%s(\"%%s\")' %% s\n", |
| python_name.c_str()); |
| } |
| |
| /* Print code to set method type signatures. |
| * |
| * To be able to call C functions it is necessary to explicitly set their |
| * argument and result types. Do this for all exported constructors and |
| * methods, as well as for the *_to_str method, if it exists. |
| * Assuming each exported class has a *_copy and a *_free method, |
| * also unconditionally set the type of such methods. |
| */ |
| void python_generator::print_method_types(const isl_class &clazz) |
| { |
| set<FunctionDecl *>::const_iterator in; |
| map<string, set<FunctionDecl *> >::const_iterator it; |
| |
| for (in = clazz.constructors.begin(); in != clazz.constructors.end(); |
| ++in) |
| print_method_type(*in); |
| |
| for (it = clazz.methods.begin(); it != clazz.methods.end(); ++it) |
| for (in = it->second.begin(); in != it->second.end(); ++in) |
| print_method_type(*in); |
| |
| print_method_type(clazz.fn_copy); |
| print_method_type(clazz.fn_free); |
| if (clazz.fn_to_str) |
| print_method_type(clazz.fn_to_str); |
| } |
| |
| /* Print out the definition of this isl_class. |
| * |
| * We first check if this isl_class is a subclass of one or more other classes. |
| * If it is, we make sure those superclasses are printed out first. |
| * |
| * Then we print a constructor with several cases, one for constructing |
| * a Python object from a return value and one for each function that |
| * was marked as a constructor. |
| * |
| * Next, we print out some common methods and the methods corresponding |
| * to functions that are not marked as constructors. |
| * |
| * Finally, we tell ctypes about the types of the arguments of the |
| * constructor functions and the return types of those function returning |
| * an isl object. |
| */ |
| void python_generator::print(const isl_class &clazz) |
| { |
| string p_name = type2python(clazz.name); |
| set<FunctionDecl *>::const_iterator in; |
| map<string, set<FunctionDecl *> >::const_iterator it; |
| vector<string> super = find_superclasses(clazz.type); |
| |
| for (unsigned i = 0; i < super.size(); ++i) |
| if (done.find(super[i]) == done.end()) |
| print(classes[super[i]]); |
| done.insert(clazz.name); |
| |
| printf("\n"); |
| print_class_header(clazz, p_name, super); |
| printf(" def __init__(self, *args, **keywords):\n"); |
| |
| printf(" if \"ptr\" in keywords:\n"); |
| printf(" self.ctx = keywords[\"ctx\"]\n"); |
| printf(" self.ptr = keywords[\"ptr\"]\n"); |
| printf(" return\n"); |
| |
| for (in = clazz.constructors.begin(); in != clazz.constructors.end(); |
| ++in) |
| print_constructor(clazz, *in); |
| printf(" raise Error\n"); |
| printf(" def __del__(self):\n"); |
| printf(" if hasattr(self, 'ptr'):\n"); |
| printf(" isl.%s_free(self.ptr)\n", clazz.name.c_str()); |
| |
| print_representation(clazz, p_name); |
| |
| for (it = clazz.methods.begin(); it != clazz.methods.end(); ++it) |
| print_method(clazz, it->first, it->second, super); |
| |
| printf("\n"); |
| |
| print_method_types(clazz); |
| } |
| |
| /* Generate a python interface based on the extracted types and |
| * functions. |
| * |
| * Print out each class in turn. If one of these is a subclass of some |
| * other class, make sure the superclass is printed out first. |
| * functions. |
| */ |
| void python_generator::generate() |
| { |
| map<string, isl_class>::iterator ci; |
| |
| for (ci = classes.begin(); ci != classes.end(); ++ci) { |
| if (done.find(ci->first) == done.end()) |
| print(ci->second); |
| } |
| } |