gdb: move compile_instance to compile/compile.h

struct compile_instance needs to be visible to users, since we use
std::unique<compile_instance>.  language.c and c-lang.c currently
includes compile-internal.h for this reason, which kind of defeats the
purpose of having an "internal" header file.

Change-Id: Iedffe5f1173b3de7bdc1be533ee2a68e6f6c549f
Reviewed-By: Bruno Larsen <blarsen@redhat.com>

gdb/c-lang.c

@@ -36,7 +36,6 @@
 #include <ctype.h>
 #include "gdbcore.h"
 #include "gdbarch.h"
-#include "compile/compile-internal.h"
 #include "c-exp.h"
 
 /* Given a C string type, STR_TYPE, return the corresponding target

gdb/c-lang.h

@@ -26,6 +26,7 @@ struct language_arch_info;
 struct type_print_options;
 struct parser_state;
 
+#include "compile/compile.h"
 #include "value.h"
 #include "macroexp.h"
 #include "gdbsupport/enum-flags.h"

gdb/compile/compile-c.h

@@ -17,6 +17,7 @@
 #ifndef COMPILE_COMPILE_C_H
 #define COMPILE_COMPILE_C_H
 
+#include "compile/compile.h"
 #include "gdbsupport/enum-flags.h"
 #include "gcc-c-plugin.h"
 

gdb/compile/compile-cplus.h

@@ -17,6 +17,7 @@
 #ifndef COMPILE_COMPILE_CPLUS_H
 #define COMPILE_COMPILE_CPLUS_H
 
+#include "compile/compile.h"
 #include "gdbsupport/enum-flags.h"
 #include "gcc-cp-plugin.h"
 #include "symtab.h"

gdb/compile/compile-internal.h

@@ -24,122 +24,6 @@
 
 extern bool compile_debug;
 
-struct block;
-
-/* An object of this type holds state associated with a given
-   compilation job.  */
-
-class compile_instance
-{
-public:
-  compile_instance (struct gcc_base_context *gcc_fe, const char *options);
-
-  virtual ~compile_instance ()
-  {
-    m_gcc_fe->ops->destroy (m_gcc_fe);
-  }
-
-  /* Returns the GCC options to be passed during compilation.  */
-  const std::string &gcc_target_options () const
-  {
-    return m_gcc_target_options;
-  }
-
-  /* Query the type cache for TYPE, returning the compiler's
-     type for it in RET.  */
-  bool get_cached_type (struct type *type, gcc_type *ret) const;
-
-  /* Insert GCC_TYPE into the type cache for TYPE.
-
-     It is ok for a given type to be inserted more than once, provided that
-     the exact same association is made each time.  */
-  void insert_type (struct type *type, gcc_type gcc_type);
-
-  /* Associate SYMBOL with some error text.  */
-  void insert_symbol_error (const struct symbol *sym, const char *text);
-
-  /* Emit the error message corresponding to SYM, if one exists, and
-     arrange for it not to be emitted again.  */
-  void error_symbol_once (const struct symbol *sym);
-
-  /* These currently just forward to the underlying ops
-     vtable.  */
-
-  /* Set the plug-in print callback.  */
-  void set_print_callback (void (*print_function) (void *, const char *),
-			   void *datum);
-
-  /* Return the plug-in's front-end version.  */
-  unsigned int version () const;
-
-  /* Set the plug-in's verbosity level.  Nop for GCC_FE_VERSION_0.  */
-  void set_verbose (int level);
-
-  /* Set the plug-in driver program.  Nop for GCC_FE_VERSION_0.  */
-  void set_driver_filename (const char *filename);
-
-  /* Set the regular expression used to match the configury triplet
-     prefix to the compiler.  Nop for GCC_FE_VERSION_0.  */
-  void set_triplet_regexp (const char *regexp);
-
-  /* Set compilation arguments.  REGEXP is only used for protocol
-     version GCC_FE_VERSION_0.  */
-  gdb::unique_xmalloc_ptr<char> set_arguments (int argc, char **argv,
-					       const char *regexp = NULL);
-
-  /* Set the filename of the program to compile.  Nop for GCC_FE_VERSION_0.  */
-  void set_source_file (const char *filename);
-
-  /* Compile the previously specified source file to FILENAME.
-     VERBOSE_LEVEL is only used for protocol version GCC_FE_VERSION_0.  */
-  bool compile (const char *filename, int verbose_level = -1);
-
-  /* Set the scope type for this compile.  */
-  void set_scope (enum compile_i_scope_types scope)
-  {
-    m_scope = scope;
-  }
-
-  /* Return the scope type.  */
-  enum compile_i_scope_types scope () const
-  {
-    return m_scope;
-  }
-
-  /* Set the block to be used for symbol searches.  */
-  void set_block (const struct block *block)
-  {
-    m_block = block;
-  }
-
-  /* Return the search block.  */
-  const struct block *block () const
-  {
-    return m_block;
-  }
-
-protected:
-
-  /* The GCC front end.  */
-  struct gcc_base_context *m_gcc_fe;
-
-  /* The "scope" of this compilation.  */
-  enum compile_i_scope_types m_scope;
-
-  /* The block in which an expression is being parsed.  */
-  const struct block *m_block;
-
-  /* Specify "-std=gnu11", "-std=gnu++11" or similar.  These options are put
-     after CU's DW_AT_producer compilation options to override them.  */
-  std::string m_gcc_target_options;
-
-  /* Map from gdb types to gcc types.  */
-  htab_up m_type_map;
-
-  /* Map from gdb symbols to gcc error messages to emit.  */
-  htab_up m_symbol_err_map;
-};
-
 /* Define header and footers for different scopes.  */
 
 /* A simple scope just declares a function named "_gdb_expr", takes no

gdb/compile/compile.h

@@ -18,6 +18,8 @@
 #ifndef COMPILE_COMPILE_H
 #define COMPILE_COMPILE_H
 
+#include "gcc-c-interface.h"
+
 struct ui_file;
 struct gdbarch;
 struct dwarf2_per_cu_data;
@@ -25,6 +27,120 @@ struct dwarf2_per_objfile;
 struct symbol;
 struct dynamic_prop;
 
+/* An object of this type holds state associated with a given
+   compilation job.  */
+
+class compile_instance
+{
+public:
+  compile_instance (struct gcc_base_context *gcc_fe, const char *options);
+
+  virtual ~compile_instance ()
+  {
+    m_gcc_fe->ops->destroy (m_gcc_fe);
+  }
+
+  /* Returns the GCC options to be passed during compilation.  */
+  const std::string &gcc_target_options () const
+  {
+    return m_gcc_target_options;
+  }
+
+  /* Query the type cache for TYPE, returning the compiler's
+     type for it in RET.  */
+  bool get_cached_type (struct type *type, gcc_type *ret) const;
+
+  /* Insert GCC_TYPE into the type cache for TYPE.
+
+     It is ok for a given type to be inserted more than once, provided that
+     the exact same association is made each time.  */
+  void insert_type (struct type *type, gcc_type gcc_type);
+
+  /* Associate SYMBOL with some error text.  */
+  void insert_symbol_error (const struct symbol *sym, const char *text);
+
+  /* Emit the error message corresponding to SYM, if one exists, and
+     arrange for it not to be emitted again.  */
+  void error_symbol_once (const struct symbol *sym);
+
+  /* These currently just forward to the underlying ops
+     vtable.  */
+
+  /* Set the plug-in print callback.  */
+  void set_print_callback (void (*print_function) (void *, const char *),
+			   void *datum);
+
+  /* Return the plug-in's front-end version.  */
+  unsigned int version () const;
+
+  /* Set the plug-in's verbosity level.  Nop for GCC_FE_VERSION_0.  */
+  void set_verbose (int level);
+
+  /* Set the plug-in driver program.  Nop for GCC_FE_VERSION_0.  */
+  void set_driver_filename (const char *filename);
+
+  /* Set the regular expression used to match the configury triplet
+     prefix to the compiler.  Nop for GCC_FE_VERSION_0.  */
+  void set_triplet_regexp (const char *regexp);
+
+  /* Set compilation arguments.  REGEXP is only used for protocol
+     version GCC_FE_VERSION_0.  */
+  gdb::unique_xmalloc_ptr<char> set_arguments (int argc, char **argv,
+					       const char *regexp = NULL);
+
+  /* Set the filename of the program to compile.  Nop for GCC_FE_VERSION_0.  */
+  void set_source_file (const char *filename);
+
+  /* Compile the previously specified source file to FILENAME.
+     VERBOSE_LEVEL is only used for protocol version GCC_FE_VERSION_0.  */
+  bool compile (const char *filename, int verbose_level = -1);
+
+  /* Set the scope type for this compile.  */
+  void set_scope (enum compile_i_scope_types scope)
+  {
+    m_scope = scope;
+  }
+
+  /* Return the scope type.  */
+  enum compile_i_scope_types scope () const
+  {
+    return m_scope;
+  }
+
+  /* Set the block to be used for symbol searches.  */
+  void set_block (const struct block *block)
+  {
+    m_block = block;
+  }
+
+  /* Return the search block.  */
+  const struct block *block () const
+  {
+    return m_block;
+  }
+
+protected:
+
+  /* The GCC front end.  */
+  struct gcc_base_context *m_gcc_fe;
+
+  /* The "scope" of this compilation.  */
+  enum compile_i_scope_types m_scope;
+
+  /* The block in which an expression is being parsed.  */
+  const struct block *m_block;
+
+  /* Specify "-std=gnu11", "-std=gnu++11" or similar.  These options are put
+     after CU's DW_AT_producer compilation options to override them.  */
+  std::string m_gcc_target_options;
+
+  /* Map from gdb types to gcc types.  */
+  htab_up m_type_map;
+
+  /* Map from gdb symbols to gcc error messages to emit.  */
+  htab_up m_symbol_err_map;
+};
+
 /* Public function that is called from compile_control case in the
    expression command.  GDB returns either a CMD, or a CMD_STRING, but
    never both.  */

gdb/language.c

@@ -46,7 +46,6 @@
 #include "c-lang.h"
 #include <algorithm>
 #include "gdbarch.h"
-#include "compile/compile-internal.h"
 
 static void set_range_case (void);