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);
287 switch(expression->base.kind) {
288 case EXPR_BINARY_BITWISE_OR: fputs("|", out); break;
289 case EXPR_BINARY_BITWISE_AND: fputs("&", out); break;
290 case EXPR_BINARY_BITWISE_XOR: fputs("^", out); break;
291 case EXPR_BINARY_SHIFTLEFT: fputs("<<", out); break;
292 case EXPR_BINARY_SHIFTRIGHT: fputs(">>", out); break;
293 case EXPR_BINARY_ADD: fputs("+", out); break;
294 case EXPR_BINARY_SUB: fputs("-", out); break;
295 case EXPR_BINARY_MUL: fputs("*", out); break;
296 case EXPR_BINARY_DIV: fputs("/", out); break;
298 panic("unimplemented binexpr");
301 write_expression(expression->right);
305 static void write_expression(const expression_t *expression)
308 switch(expression->kind) {
309 case EXPR_LITERAL_INTEGER:
310 case EXPR_LITERAL_INTEGER_OCTAL:
311 fprintf(out, "%s", expression->literal.value.begin);
313 case EXPR_LITERAL_INTEGER_HEXADECIMAL:
314 fprintf(out, "0x%s", expression->literal.value.begin);
316 case EXPR_REFERENCE_ENUM_VALUE: {
317 /* UHOH... hacking */
318 entity_t *entity = expression->reference.entity;
319 write_enum_name(& entity->enum_value.enum_type->enumt);
320 fprintf(out, ".%s.val", entity->base.symbol->string);
324 write_unary_expression(&expression->unary);
327 write_binary_expression(&expression->binary);
330 panic("not implemented expression");
334 static void write_enum(const symbol_t *symbol, const enum_t *entity)
339 if (symbol == NULL) {
340 static int lastenum = 0;
341 snprintf(buf, sizeof(buf), "AnonEnum%d", lastenum++);
344 name = symbol->string;
347 fprintf(out, "\tpublic static enum %s {\n", name);
349 entity_t *entry = entity->base.next;
350 for ( ; entry != NULL && entry->kind == ENTITY_ENUM_VALUE;
351 entry = entry->base.next) {
352 fprintf(out, "\t\t%s", entry->base.symbol->string);
354 if(entry->enum_value.value != NULL) {
355 write_expression(entry->enum_value.value);
358 if (entry->base.next != NULL
359 && entry->base.next->kind == ENTITY_ENUM_VALUE) {
365 fprintf(out, "\t\tpublic final int val;\n");
367 fprintf(out, "\t\tprivate static class C {\n");
368 fprintf(out, "\t\t\tstatic int next_val;\n");
369 fprintf(out, "\t\t}\n");
371 fprintf(out, "\t\t%s(int val) {\n", name);
372 fprintf(out, "\t\t\tthis.val = val;\n");
373 fprintf(out, "\t\t\tC.next_val = val + 1;\n");
374 fprintf(out, "\t\t}\n");
376 fprintf(out, "\t\t%s() {\n", name);
377 fprintf(out, "\t\t\tthis.val = C.next_val++;\n");
378 fprintf(out, "\t\t}\n");
380 fprintf(out, "\t\tpublic static %s getEnum(int val) {\n", name);
381 fprintf(out, "\t\t\tfor (%s entry : values()) {\n", name);
382 fprintf(out, "\t\t\t\tif (val == entry.val)\n");
383 fprintf(out, "\t\t\t\t\treturn entry;\n");
384 fprintf(out, "\t\t\t}\n");
385 fprintf(out, "\t\t\treturn null;\n");
386 fprintf(out, "\t\t}\n");
387 fprintf(out, "\t}\n");
392 static void write_variable(const entity_t *entity)
394 fprintf(out, "var %s : ", entity->base.symbol->string);
395 write_type(entity->declaration.type);
400 static void write_function(const entity_t *entity)
402 if (entity->function.statement != NULL) {
403 fprintf(stderr, "Warning: can't convert function bodies (at %s)\n",
404 entity->base.symbol->string);
409 const function_type_t *function_type
410 = (const function_type_t*) entity->declaration.type;
413 fprintf(out, "\tpublic static native ");
414 type_t *return_type = skip_typeref(function_type->return_type);
415 write_type(return_type);
416 fprintf(out, " %s(", entity->base.symbol->string);
418 entity_t *parameter = entity->function.parameters.entities;
421 for ( ; parameter != NULL; parameter = parameter->base.next) {
422 assert(parameter->kind == ENTITY_PARAMETER);
428 write_type(parameter->declaration.type);
429 if(parameter->base.symbol != NULL) {
430 fprintf(out, " %s", fix_builtin_names(parameter->base.symbol->string));
432 fprintf(out, " _%d", n++);
435 if(function_type->variadic) {
441 fputs("Object ... args", out);
443 fprintf(out, ");\n");
447 void write_jna_decls(FILE *output, const translation_unit_t *unit)
450 global_scope = &unit->scope;
452 pset_new_init(&avoid_symbols);
455 fprintf(out, "/* WARNING: Automatically generated file */\n");
456 fputs("import com.sun.jna.Native;\n", out);
457 fputs("import com.sun.jna.Pointer;\n", out);
460 /* TODO: where to get the name from? */
461 fputs("public class binding {\n", out);
462 fputs("\tstatic {\n", out);
463 fputs("\t\tNative.register(\"firm\");\n", out);
467 /* read the avoid list */
468 FILE *avoid = fopen("avoid.config", "r");
470 while (!feof(avoid)) {
472 char *res = fgets(buf, sizeof(buf), avoid);
478 size_t len = strlen(buf);
479 if (buf[len-1] == '\n')
482 char *str = malloc(len+1);
483 memcpy(str, buf, len+1);
484 symbol_t *symbol = symbol_table_insert(str);
485 pset_new_insert(&avoid_symbols, symbol);
490 /* write structs,unions + enums */
491 entity_t *entity = unit->scope.entities;
492 for ( ; entity != NULL; entity = entity->base.next) {
493 if (entity->kind == ENTITY_ENUM) {
494 if (find_enum_typedef(&entity->enume) != NULL)
496 write_enum(entity->base.symbol, &entity->enume);
497 } else if (entity->kind == ENTITY_TYPEDEF) {
498 type_t *type = entity->typedefe.type;
499 if (type->kind == TYPE_ENUM) {
500 write_enum(entity->base.symbol, type->enumt.enume);
505 if(type->kind == TYPE_COMPOUND_STRUCT
506 || type->kind == TYPE_COMPOUND_UNION) {
507 write_compound(entity->base.symbol, &type->compound);
512 /* write functions */
513 entity = unit->scope.entities;
514 for ( ; entity != NULL; entity = entity->base.next) {
515 if (entity->kind != ENTITY_FUNCTION)
517 if (is_system_header(entity->base.source_position.input_name))
520 if (pset_new_contains(&avoid_symbols, entity->base.symbol))
522 write_function(entity);
527 pset_new_destroy(&avoid_symbols);