2 * This file is part of cparser.
3 * Copyright (C) 2007-2009 Matthias Braun <matze@braunis.de>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25 #include "write_jna.h"
32 #include "adt/error.h"
33 #include <libfirm/adt/pset_new.h>
35 static const scope_t *global_scope;
37 static pset_new_t avoid_symbols;
39 static void write_type(type_t *type);
41 static bool is_system_header(const char *fname)
43 if (strncmp(fname, "/usr/include", 12) == 0)
45 if (fname == builtin_source_position.input_name)
50 static const char *fix_builtin_names(const char *name)
52 if (strcmp(name, "class") == 0) {
54 } else if(strcmp(name, "this") == 0) {
56 } else if(strcmp(name, "public") == 0) {
58 } else if(strcmp(name, "protected") == 0) {
60 } else if(strcmp(name, "private") == 0) {
62 } else if(strcmp(name, "final") == 0) {
65 /* TODO put all reserved names here */
69 static const char *get_atomic_type_string(const atomic_type_kind_t type)
72 case ATOMIC_TYPE_VOID: return "void";
73 case ATOMIC_TYPE_CHAR: return "byte";
74 case ATOMIC_TYPE_SCHAR: return "byte";
75 case ATOMIC_TYPE_UCHAR: return "byte";
76 case ATOMIC_TYPE_SHORT: return "short";
77 case ATOMIC_TYPE_USHORT: return "short";
78 case ATOMIC_TYPE_INT: return "int";
79 case ATOMIC_TYPE_UINT: return "int";
80 case ATOMIC_TYPE_LONG: return "com.sun.jna.NativeLong";
81 case ATOMIC_TYPE_ULONG: return "com.sun.jna.NativeLong";
82 case ATOMIC_TYPE_LONGLONG: return "long";
83 case ATOMIC_TYPE_ULONGLONG: return "long";
84 case ATOMIC_TYPE_FLOAT: return "float";
85 case ATOMIC_TYPE_DOUBLE: return "double";
86 case ATOMIC_TYPE_LONG_DOUBLE: return "double";
87 case ATOMIC_TYPE_BOOL: return "boolean";
88 default: panic("unsupported atomic type");
92 static void write_atomic_type(const atomic_type_t *type)
94 fputs(get_atomic_type_string(type->akind), out);
97 static void write_pointer_type(const pointer_type_t *type)
99 type_t *points_to = skip_typeref(type->points_to);
100 if (is_type_atomic(points_to, ATOMIC_TYPE_CHAR)) {
101 fputs("String", out);
104 if (is_type_pointer(points_to)) {
106 fputs("java.nio.Buffer", out);
109 fputs("Pointer", out);
112 static entity_t *find_typedef(const type_t *type)
114 /* first: search for a matching typedef in the global type... */
115 entity_t *entity = global_scope->entities;
116 for ( ; entity != NULL; entity = entity->base.next) {
117 if (entity->kind != ENTITY_TYPEDEF)
119 if (entity->typedefe.type == type)
126 static entity_t *find_enum_typedef(const enum_t *enume)
128 /* first: search for a matching typedef in the global type... */
129 entity_t *entity = global_scope->entities;
130 for ( ; entity != NULL; entity = entity->base.next) {
131 if (entity->kind != ENTITY_TYPEDEF)
133 type_t *type = entity->typedefe.type;
134 if (type->kind != TYPE_ENUM)
137 enum_t *e_entity = type->enumt.enume;
138 if (e_entity == enume)
145 static void write_compound_type(const compound_type_t *type)
147 entity_t *entity = find_typedef((const type_t*) type);
149 fputs(entity->base.symbol->string, out);
153 /* does the struct have a name? */
154 symbol_t *symbol = type->compound->base.symbol;
156 /* TODO: make sure we create a struct for it... */
157 fputs(symbol->string, out);
160 /* TODO: create a struct and use its name here... */
161 fputs("/* TODO anonymous struct */byte", out);
164 static void write_enum_name(const enum_type_t *type)
166 entity_t *entity = find_typedef((const type_t*) type);
167 if (entity != NULL) {
168 fputs(entity->base.symbol->string, out);
172 /* does the enum have a name? */
173 symbol_t *symbol = type->enume->base.symbol;
174 if (symbol != NULL) {
175 /* TODO: make sure we create an enum for it... */
176 fputs(symbol->string, out);
180 /* now we have a problem as we don't know how we'll call the anonymous
182 panic("can't reference entries from anonymous enums yet");
185 static void write_enum_type(const enum_type_t *type)
187 entity_t *entity = find_typedef((const type_t*) type);
188 if (entity != NULL) {
189 fprintf(out, "/* %s */int", entity->base.symbol->string);
193 /* does the enum have a name? */
194 symbol_t *symbol = type->enume->base.symbol;
195 if (symbol != NULL) {
196 /* TODO: make sure we create an enum for it... */
197 fprintf(out, "/* %s */int", symbol->string);
200 fprintf(out, "/* anonymous enum */int");
203 static void write_type(type_t *type)
205 type = skip_typeref(type);
208 write_atomic_type(&type->atomic);
211 write_pointer_type(&type->pointer);
213 case TYPE_COMPOUND_UNION:
214 case TYPE_COMPOUND_STRUCT:
215 write_compound_type(&type->compound);
218 write_enum_type(&type->enumt);
221 write_type(type->builtin.real_type);
227 panic("invalid type found");
234 fprintf(out, "/* TODO type */Pointer");
240 static void write_compound_entry(const entity_t *entity)
242 fprintf(out, "\t%s : ", entity->base.symbol->string);
243 write_type(entity->declaration.type);
247 static void write_compound(const symbol_t *symbol, const compound_type_t *type)
249 fprintf(out, "%s %s:\n",
250 type->base.kind == TYPE_COMPOUND_STRUCT ? "struct" : "union",
253 const entity_t *entity = type->compound->members.entities;
254 for ( ; entity != NULL; entity = entity->base.next) {
255 write_compound_entry(entity);
262 static void write_expression(const expression_t *expression);
264 static void write_unary_expression(const unary_expression_t *expression)
266 switch(expression->base.kind) {
267 case EXPR_UNARY_NEGATE:
273 case EXPR_UNARY_CAST_IMPLICIT:
274 write_expression(expression->value);
277 panic("unimeplemented unary expression found");
279 write_expression(expression->value);
282 static void write_binary_expression(const binary_expression_t *expression)
285 write_expression(expression->left);
286 switch(expression->base.kind) {
287 case EXPR_BINARY_BITWISE_OR: fputs("|", out); break;
288 case EXPR_BINARY_BITWISE_AND: fputs("&", out); break;
289 case EXPR_BINARY_BITWISE_XOR: fputs("^", out); break;
290 case EXPR_BINARY_SHIFTLEFT: fputs("<<", out); break;
291 case EXPR_BINARY_SHIFTRIGHT: fputs(">>", out); break;
292 case EXPR_BINARY_ADD: fputs("+", out); break;
293 case EXPR_BINARY_SUB: fputs("-", out); break;
294 case EXPR_BINARY_MUL: fputs("*", out); break;
295 case EXPR_BINARY_DIV: fputs("/", out); break;
297 panic("unimplemented binexpr");
299 write_expression(expression->right);
303 static void write_expression(const expression_t *expression)
306 switch(expression->kind) {
307 case EXPR_LITERAL_INTEGER:
308 case EXPR_LITERAL_INTEGER_OCTAL:
309 fprintf(out, "%s", expression->literal.value.begin);
311 case EXPR_LITERAL_INTEGER_HEXADECIMAL:
312 fprintf(out, "0x%s", expression->literal.value.begin);
314 case EXPR_REFERENCE_ENUM_VALUE: {
315 /* UHOH... hacking */
316 entity_t *entity = expression->reference.entity;
317 write_enum_name(& entity->enum_value.enum_type->enumt);
318 fprintf(out, ".%s.val", entity->base.symbol->string);
322 write_unary_expression(&expression->unary);
325 write_binary_expression(&expression->binary);
328 panic("not implemented expression");
332 static void write_enum(const symbol_t *symbol, const enum_t *entity)
337 if (symbol == NULL) {
338 static int lastenum = 0;
339 snprintf(buf, sizeof(buf), "AnonEnum%d", lastenum++);
342 name = symbol->string;
345 fprintf(out, "\tpublic static enum %s {\n", name);
347 entity_t *entry = entity->base.next;
348 for ( ; entry != NULL && entry->kind == ENTITY_ENUM_VALUE;
349 entry = entry->base.next) {
350 fprintf(out, "\t\t%s", entry->base.symbol->string);
352 if(entry->enum_value.value != NULL) {
353 write_expression(entry->enum_value.value);
356 if (entry->base.next != NULL
357 && entry->base.next->kind == ENTITY_ENUM_VALUE) {
363 fprintf(out, "\t\tpublic final int val;\n");
364 fprintf(out, "\t\tprivate static class C { static int next_val; }\n\n");
365 fprintf(out, "\t\t%s(int val) {\n", name);
366 fprintf(out, "\t\t\tthis.val = val;\n");
367 fprintf(out, "\t\t\tC.next_val = val + 1;\n");
368 fprintf(out, "\t\t}\n");
369 fprintf(out, "\t\t%s() {\n", name);
370 fprintf(out, "\t\t\tthis.val = C.next_val++;\n");
371 fprintf(out, "\t\t}\n");
372 fprintf(out, "\t\t\n");
373 fprintf(out, "\t\tpublic static %s getEnum(int val) {\n", name);
374 fprintf(out, "\t\t\tfor(%s entry : values()) {\n", name);
375 fprintf(out, "\t\t\t\tif (val == entry.val)\n");
376 fprintf(out, "\t\t\t\t\treturn entry;\n");
377 fprintf(out, "\t\t\t}\n");
378 fprintf(out, "\t\t\treturn null;\n");
379 fprintf(out, "\t\t}\n");
380 fprintf(out, "\t}\n");
384 static void write_variable(const entity_t *entity)
386 fprintf(out, "var %s : ", entity->base.symbol->string);
387 write_type(entity->declaration.type);
392 static void write_function(const entity_t *entity)
394 if (entity->function.statement != NULL) {
395 fprintf(stderr, "Warning: can't convert function bodies (at %s)\n",
396 entity->base.symbol->string);
401 const function_type_t *function_type
402 = (const function_type_t*) entity->declaration.type;
404 fprintf(out, "\tpublic static native ");
405 type_t *return_type = skip_typeref(function_type->return_type);
406 write_type(return_type);
407 fprintf(out, " %s(", entity->base.symbol->string);
409 entity_t *parameter = entity->function.parameters.entities;
412 for( ; parameter != NULL; parameter = parameter->base.next) {
413 assert(parameter->kind == ENTITY_PARAMETER);
419 write_type(parameter->declaration.type);
420 if(parameter->base.symbol != NULL) {
421 fprintf(out, " %s", fix_builtin_names(parameter->base.symbol->string));
423 fprintf(out, " _%d", n++);
426 if(function_type->variadic) {
432 fputs("Object ... args", out);
434 fprintf(out, ");\n");
438 void write_jna_decls(FILE *output, const translation_unit_t *unit)
441 global_scope = &unit->scope;
443 pset_new_init(&avoid_symbols);
446 fprintf(out, "/* WARNING: Automatically generated file */\n");
447 fputs("import com.sun.jna.Native;\n", out);
448 fputs("import com.sun.jna.Pointer;\n", out);
451 /* TODO: where to get the name from? */
452 fputs("public class binding {\n", out);
453 fputs("\tstatic { Native.register(\"firm\"); }\n", out);
455 /* read the avoid list */
456 FILE *avoid = fopen("avoid.config", "r");
458 while (!feof(avoid)) {
460 char *res = fgets(buf, sizeof(buf), avoid);
466 size_t len = strlen(buf);
467 if (buf[len-1] == '\n')
470 char *str = malloc(len+1);
471 memcpy(str, buf, len+1);
472 symbol_t *symbol = symbol_table_insert(str);
473 pset_new_insert(&avoid_symbols, symbol);
478 /* write structs,unions + enums */
479 entity_t *entity = unit->scope.entities;
480 for( ; entity != NULL; entity = entity->base.next) {
481 if (entity->kind == ENTITY_ENUM) {
482 if (find_enum_typedef(&entity->enume) != NULL)
484 write_enum(entity->base.symbol, &entity->enume);
485 } else if (entity->kind == ENTITY_TYPEDEF) {
486 type_t *type = entity->typedefe.type;
487 if (type->kind == TYPE_ENUM) {
488 write_enum(entity->base.symbol, type->enumt.enume);
493 if(type->kind == TYPE_COMPOUND_STRUCT
494 || type->kind == TYPE_COMPOUND_UNION) {
495 write_compound(entity->base.symbol, &type->compound);
500 /* write functions */
501 entity = unit->scope.entities;
502 for( ; entity != NULL; entity = entity->base.next) {
503 if (entity->kind != ENTITY_FUNCTION)
505 if (is_system_header(entity->base.source_position.input_name))
508 if (pset_new_contains(&avoid_symbols, entity->base.symbol))
510 write_function(entity);
515 pset_new_destroy(&avoid_symbols);