doxygen comments added

[r13493]

ir/be/beemitter.h

@@ -4,8 +4,8 @@
  * Copyright:   (c) Universitaet Karlsruhe
  * License:     This file is protected by GPL -  GNU GENERAL PUBLIC LICENSE.
  */
-#ifndef BESPILLMORGAN_H_
-#define BESPILLMORGAN_H_
+#ifndef FIRM_BE_BEEMITTER_H
+#define FIRM_BE_BEEMITTER_H
 
 #include <stdio.h>
 #include <stdarg.h>
@@ -16,18 +16,30 @@
 
 /* framework for emitting data (usually the final assembly code) */
 
+/** The emitter environment. */
 typedef struct be_emit_env_t {
-	FILE *F;
-	struct obstack obst;
-	int            linelength;
+	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;
 
-static INLINE void be_emit_char(be_emit_env_t *env, char c)
-{
+/**
+ * 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++;
 }
 
+/**
+ * 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)
 {
@@ -35,24 +47,86 @@ static INLINE void be_emit_string_len(be_emit_env_t *env, const char *str,
 	env->linelength += 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)
 {
 	size_t len = strlen(str);
 	be_emit_string_len(env, str, len);
 }
 
-#define be_emit_cstring(env,x) { be_emit_string_len(env, x, sizeof(x)-1); }
+/**
+ * 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); }
 
+/**
+ * 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);
+
+/**
+ * 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);
+
+/**
+ * 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, ...);
+
+/**
+ * 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);
+
+/**
+ * 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);
 
-/* appends a gas-style comment with the node number and writes the line */
+/**
+ * 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);
+
+/**
+ * Emit spaces until the comment position is reached.
+ *
+ * @param env  the emitter environment
+ */
 void be_emit_pad_comment(be_emit_env_t *env);
 
-#endif
+#endif /* FIRM_BE_BEEMITTER_H */