/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
* @brief Interface for assembler output.
* @author Matthias Braun
* @date 12.03.2007
- * @version $Id$
+ *
+ * This is a framework for emitting data (usually the final assembly code)
*/
#ifndef FIRM_BE_BEEMITTER_H
#define FIRM_BE_BEEMITTER_H
#include <stdio.h>
#include <stdarg.h>
+#include "firm_types.h"
#include "obst.h"
-#include "ident.h"
-#include "irnode.h"
#include "be.h"
+#include "irop_t.h"
-/* framework for emitting data (usually the final assembly code) */
-
-/** The emitter environment. */
-typedef struct be_emit_env_t {
- FILE *F; /**< The handle of the (assembler) file that is written to. */
- struct obstack obst; /**< An obstack for temporary storage. */
- int linelength; /**< The length of the current line. */
-} be_emit_env_t;
+/* don't use the following vars directly, they're only here for the inlines */
+extern FILE *emit_file;
+extern struct obstack emit_obst;
/**
* Emit a character to the (assembler) output.
- *
- * @param env the emitter environment
*/
-static INLINE void be_emit_char(be_emit_env_t *env, char c) {
- obstack_1grow(&env->obst, c);
- env->linelength++;
+static inline void be_emit_char(char c)
+{
+ obstack_1grow(&emit_obst, c);
}
/**
* Emit a string to the (assembler) output.
*
- * @param env the emitter environment
* @param str the string
* @param l the length of the given string
*/
-static INLINE void be_emit_string_len(be_emit_env_t *env, const char *str,
- size_t l)
+static inline void be_emit_string_len(const char *str, size_t l)
{
- obstack_grow(&env->obst, str, l);
- env->linelength += l;
+ obstack_grow(&emit_obst, str, l);
}
/**
* Emit a null-terminated string to the (assembler) output.
*
- * @param env the emitter environment
* @param str the null-terminated string
*/
-static INLINE void be_emit_string(be_emit_env_t *env, const char *str)
+static inline void be_emit_string(const char *str)
{
size_t len = strlen(str);
- be_emit_string_len(env, str, len);
+ be_emit_string_len(str, len);
}
/**
* Emit a C string-constant to the (assembler) output.
*
- * @param env the emitter environment
* @param str the null-terminated string constant
*/
-#define be_emit_cstring(env, str) { be_emit_string_len(env, str, sizeof(str)-1); }
+#define be_emit_cstring(str) \
+ be_emit_string_len(str, sizeof(str) - 1)
/**
* Initializes an emitter environment.
*
- * @param env the (uninitialized) emitter environment
* @param F a file handle where the emitted file is written to.
*/
-void be_emit_init_env(be_emit_env_t *env, FILE *F);
+void be_emit_init(FILE *F);
/**
* Destroys the given emitter environment.
- *
- * @param env the emitter environment
*/
-void be_emit_destroy_env(be_emit_env_t *env);
-
-/**
- * Emit an ident to the (assembler) output.
- *
- * @param env the emitter environment
- * @param id the ident to be emitted
- */
-void be_emit_ident(be_emit_env_t *env, ident *id);
+void be_emit_exit(void);
/**
* Emit the output of an ir_printf.
*
- * @param env the emitter environment
* @param fmt the ir_printf format
*/
-void be_emit_irprintf(be_emit_env_t *env, const char *fmt, ...);
+void be_emit_irprintf(const char *fmt, ...);
/**
* Emit the output of an ir_vprintf.
*
- * @param env the emitter environment
* @param fmt the ir_printf format
*/
-void be_emit_irvprintf(be_emit_env_t *env, const char *fmt, va_list args);
+void be_emit_irvprintf(const char *fmt, va_list args);
/**
* Flush the line in the current line buffer to the emitter file.
- *
- * @param env the emitter environment
*/
-void be_emit_write_line(be_emit_env_t *env);
+void be_emit_write_line(void);
/**
* Flush the line in the current line buffer to the emitter file and
* appends a gas-style comment with the node number and writes the line
*
- * @param env the emitter environment
* @param node the node to get the debug info from
*/
-void be_emit_finish_line_gas(be_emit_env_t *env, const ir_node *node);
+void be_emit_finish_line_gas(const ir_node *node);
/**
* Emit spaces until the comment position is reached.
- *
- * @param env the emitter environment
*/
-void be_emit_pad_comment(be_emit_env_t *env);
+void be_emit_pad_comment(void);
+
+/**
+ * The type of a emitter function.
+ */
+typedef void emit_func(ir_node const *node);
+
+static inline void be_set_emitter(ir_op *const op, emit_func *const func)
+{
+ set_generic_function_ptr(op, func);
+}
+
+void be_emit_nothing(ir_node const *node);
+
+/**
+ * Emit code for a node.
+ */
+void be_emit_node(ir_node const *node);
-#endif /* FIRM_BE_BEEMITTER_H */
+#endif
projects / libfirm / blobdiff