rename source_position_t to position_t, rename members to pos
[cparser] / wrappergen / write_jna.c
index 6210b01..0960578 100644 (file)
@@ -22,6 +22,7 @@
 #include <errno.h>
 #include <string.h>
 
+#include "adt/strutil.h"
 #include "write_jna.h"
 #include "symbol_t.h"
 #include "ast_t.h"
 #include "type.h"
 #include "printer.h"
 #include "adt/error.h"
-#include <libfirm/adt/pset_new.h>
+#include "adt/xmalloc.h"
+#include "adt/pset_new.h"
+#include "separator_t.h"
+
+typedef struct output_limit {
+       const char          *filename;
+       struct output_limit *next;
+} output_limit;
 
 static const scope_t *global_scope;
 static FILE          *out;
 static pset_new_t     avoid_symbols;
-
-static void write_type(type_t *type);
+static output_limit  *output_limits;
+static const char    *libname;
 
 static bool is_system_header(const char *fname)
 {
-       if (strncmp(fname, "/usr/include", 12) == 0)
+       if (strstart(fname, "/usr/include"))
                return true;
-       if (fname == builtin_source_position.input_name)
+       if (fname == builtin_position.input_name)
                return true;
        return false;
 }
 
 static const char *fix_builtin_names(const char *name)
 {
-       if (strcmp(name, "class") == 0) {
+       if (streq(name, "class")) {
                return "_class";
-       } else if(strcmp(name, "this") == 0) {
+       } else if (streq(name, "this")) {
                return "_this";
-       } else if(strcmp(name, "public") == 0) {
+       } else if (streq(name, "public")) {
                return "_public";
-       } else if(strcmp(name, "protected") == 0) {
+       } else if (streq(name, "protected")) {
                return "_protected";
-       } else if(strcmp(name, "private") == 0) {
+       } else if (streq(name, "private")) {
                return "_private";
-       } else if(strcmp(name, "final") == 0) {
+       } else if (streq(name, "final")) {
                return "_final";
        }
        /* TODO put all reserved names here */
@@ -73,7 +81,7 @@ static const char *get_atomic_type_string(const atomic_type_kind_t type)
        case ATOMIC_TYPE_CHAR:        return "byte";
        case ATOMIC_TYPE_SCHAR:       return "byte";
        case ATOMIC_TYPE_UCHAR:       return "byte";
-       case ATOMIC_TYPE_SHORT:       return "short";
+       case ATOMIC_TYPE_SHORT:       return "short";
        case ATOMIC_TYPE_USHORT:      return "short";
        case ATOMIC_TYPE_INT:         return "int";
        case ATOMIC_TYPE_UINT:        return "int";
@@ -216,16 +224,11 @@ static void write_type(type_t *type)
        case TYPE_ENUM:
                write_enum_type(&type->enumt);
                return;
-       case TYPE_BUILTIN:
-               write_type(type->builtin.real_type);
-               return;
        case TYPE_ERROR:
-       case TYPE_INVALID:
        case TYPE_TYPEOF:
        case TYPE_TYPEDEF:
-               panic("invalid type found");
+               panic("invalid type");
        case TYPE_ARRAY:
-       case TYPE_BITFIELD:
        case TYPE_REFERENCE:
        case TYPE_FUNCTION:
        case TYPE_COMPLEX:
@@ -269,11 +272,11 @@ static void write_unary_expression(const unary_expression_t *expression)
        case EXPR_UNARY_NOT:
                fputc('!', out);
                break;
-       case EXPR_UNARY_CAST_IMPLICIT:
+       case EXPR_UNARY_CAST:
                write_expression(expression->value);
                return;
        default:
-               panic("unimeplemented unary expression found");
+               panic("unimplemented unary expression");
        }
        write_expression(expression->value);
 }
@@ -301,28 +304,32 @@ static void write_binary_expression(const binary_expression_t *expression)
        fputs(")", out);
 }
 
+static void write_integer(const literal_expression_t *literal)
+{
+       for (const char *c = literal->value.begin; c != literal->suffix; ++c) {
+               fputc(*c, out);
+       }
+}
+
 static void write_expression(const expression_t *expression)
 {
        /* TODO */
        switch(expression->kind) {
        case EXPR_LITERAL_INTEGER:
-       case EXPR_LITERAL_INTEGER_OCTAL:
-               fprintf(out, "%s", expression->literal.value.begin);
-               break;
-       case EXPR_LITERAL_INTEGER_HEXADECIMAL:
-               fprintf(out, "0x%s", expression->literal.value.begin);
+               write_integer(&expression->literal);
                break;
-       case EXPR_REFERENCE_ENUM_VALUE: {
+
+       case EXPR_ENUM_CONSTANT: {
                /* UHOH... hacking */
                entity_t *entity = expression->reference.entity;
                write_enum_name(& entity->enum_value.enum_type->enumt);
                fprintf(out, ".%s.val", entity->base.symbol->string);
                break;
        }
-       EXPR_UNARY_CASES
+       case EXPR_UNARY_CASES:
                write_unary_expression(&expression->unary);
                break;
-       EXPR_BINARY_CASES
+       case EXPR_BINARY_CASES:
                write_binary_expression(&expression->binary);
                break;
        default:
@@ -398,7 +405,7 @@ static void write_variable(const entity_t *entity)
 
 static void write_function(const entity_t *entity)
 {
-       if (entity->function.statement != NULL) {
+       if (entity->function.body != NULL) {
                fprintf(stderr, "Warning: can't convert function bodies (at %s)\n",
                        entity->base.symbol->string);
                return;
@@ -414,16 +421,12 @@ static void write_function(const entity_t *entity)
        write_type(return_type);
        fprintf(out, " %s(", entity->base.symbol->string);
 
-       entity_t *parameter = entity->function.parameters.entities;
-       int       first     = 1;
-       int       n         = 0;
+       entity_t   *parameter = entity->function.parameters.entities;
+       separator_t sep       = { "", ", " };
+       int         n         = 0;
        for ( ; parameter != NULL; parameter = parameter->base.next) {
                assert(parameter->kind == ENTITY_PARAMETER);
-               if(!first) {
-                       fprintf(out, ", ");
-               } else {
-                       first = 0;
-               }
+               fputs(sep_next(&sep), out);
                write_type(parameter->declaration.type);
                if(parameter->base.symbol != NULL) {
                        fprintf(out, " %s", fix_builtin_names(parameter->base.symbol->string));
@@ -432,16 +435,25 @@ static void write_function(const entity_t *entity)
                }
        }
        if(function_type->variadic) {
-               if(!first) {
-                       fprintf(out, ", ");
-               } else {
-                       first = 0;
-               }
+               fputs(sep_next(&sep), out);
                fputs("Object ... args", out);
        }
        fprintf(out, ");\n");
 }
 
+void jna_limit_output(const char *filename)
+{
+       output_limit *limit = xmalloc(sizeof(limit[0]));
+       limit->filename = filename;
+
+       limit->next   = output_limits;
+       output_limits = limit;
+}
+
+void jna_set_libname(const char *new_libname)
+{
+       libname = new_libname;
+}
 
 void write_jna_decls(FILE *output, const translation_unit_t *unit)
 {
@@ -456,10 +468,14 @@ void write_jna_decls(FILE *output, const translation_unit_t *unit)
        fputs("import com.sun.jna.Pointer;\n", out);
        fputs("\n", out);
 
+       const char *register_libname = libname;
+       if (register_libname == NULL)
+               register_libname = "library";
+
        /* TODO: where to get the name from? */
        fputs("public class binding {\n", out);
        fputs("\tstatic {\n", out);
-       fputs("\t\tNative.register(\"firm\");\n", out);
+       fprintf(out, "\t\tNative.register(\"%s\");\n", register_libname);
        fputs("\t}\n", out);
        fputs("\n", out);
 
@@ -501,8 +517,7 @@ void write_jna_decls(FILE *output, const translation_unit_t *unit)
                }
 
 #if 0
-               if(type->kind == TYPE_COMPOUND_STRUCT
-                               || type->kind == TYPE_COMPOUND_UNION) {
+               if (is_type_compound(type)) {
                        write_compound(entity->base.symbol, &type->compound);
                }
 #endif
@@ -513,8 +528,23 @@ void write_jna_decls(FILE *output, const translation_unit_t *unit)
        for ( ; entity != NULL; entity = entity->base.next) {
                if (entity->kind != ENTITY_FUNCTION)
                        continue;
-               if (is_system_header(entity->base.source_position.input_name))
+               const char *input_name = entity->base.pos.input_name;
+               if (is_system_header(input_name))
+                       continue;
+               if (entity->function.elf_visibility != ELF_VISIBILITY_DEFAULT)
                        continue;
+               if (output_limits != NULL) {
+                       bool in_limits = false;
+                       for (output_limit *limit = output_limits; limit != NULL;
+                            limit = limit->next) {
+                           if (streq(limit->filename, input_name)) {
+                                       in_limits = true;
+                                       break;
+                               }
+                       }
+                       if (!in_limits)
+                               continue;
+               }
 
                if (pset_new_contains(&avoid_symbols, entity->base.symbol))
                        continue;