[PATCH wayland v3 1/3] scanner: refactor creating objects

Bryce Harrington bryce at osg.samsung.com
Thu Jul 30 18:25:17 PDT 2015


On Thu, Jul 30, 2015 at 05:58:05PM -0700, Bryce Harrington wrote:
> On Thu, Jul 30, 2015 at 03:07:20PM +0200, Marek Chalupa wrote:
> > wrap creating and initializing objects (structures)
> > into functions and use them in the code.
> > 
> > v2. make create_.* functions consistent
> >     (no func will return NULL)
> > 
> > Signed-off-by: Marek Chalupa <mchqwerty at gmail.com>
> 
> Looks good
> Reviewed-by: Bryce Harrington <bryce at osg.samsung.com>

Pushed the series to trunk:
To ssh://git.freedesktop.org/git/wayland/wayland
   1c12bf4..765040d  master -> master


> > ---
> >  src/scanner.c | 164 +++++++++++++++++++++++++++++++++++++++-------------------
> >  1 file changed, 111 insertions(+), 53 deletions(-)
> > 
> > diff --git a/src/scanner.c b/src/scanner.c
> > index 7d8cfb9..da33818 100644
> > --- a/src/scanner.c
> > +++ b/src/scanner.c
> > @@ -1,6 +1,7 @@
> >  /*
> >   * Copyright © 2008-2011 Kristian Høgsberg
> >   * Copyright © 2011 Intel Corporation
> > + * Copyright © 2015 Red Hat, Inc.
> >   *
> >   * Permission is hereby granted, free of charge, to any person obtaining
> >   * a copy of this software and associated documentation files (the
> > @@ -315,6 +316,108 @@ is_nullable_type(struct arg *arg)
> >  	}
> >  }
> >  
> > +static struct message *
> > +create_message(struct location loc, const char *name)
> > +{
> > +	struct message *message;
> > +
> > +	message = xmalloc(sizeof *message);
> > +	message->loc = loc;
> > +	message->name = xstrdup(name);
> > +	message->uppercase_name = uppercase_dup(name);
> > +	wl_list_init(&message->arg_list);
> > +	message->arg_count = 0;
> > +	message->new_id_count = 0;
> > +	message->description = NULL;
> > +
> > +	return message;
> > +}
> > +
> > +static struct arg *
> > +create_arg(const char *name)
> > +{
> > +	struct arg *arg;
> > +
> > +	arg = xmalloc(sizeof *arg);
> > +	arg->name = xstrdup(name);
> > +	arg->summary = NULL;
> > +	arg->interface_name = NULL;
> > +
> > +	return arg;
> > +}
> > +
> > +static bool
> > +set_arg_type(struct arg *arg, const char *type)
> > +{
> > +	if (strcmp(type, "int") == 0)
> > +		arg->type = INT;
> > +	else if (strcmp(type, "uint") == 0)
> > +		arg->type = UNSIGNED;
> > +	else if (strcmp(type, "fixed") == 0)
> > +		arg->type = FIXED;
> > +	else if (strcmp(type, "string") == 0)
> > +		arg->type = STRING;
> > +	else if (strcmp(type, "array") == 0)
> > +		arg->type = ARRAY;
> > +	else if (strcmp(type, "fd") == 0)
> > +		arg->type = FD;
> > +	else if (strcmp(type, "new_id") == 0)
> > +		arg->type = NEW_ID;
> > +	else if (strcmp(type, "object") == 0)
> > +		arg->type = OBJECT;
> > +	else
> > +		return false;
> > +
> > +	return true;
> > +}
> > +
> > +static struct enumeration *
> > +create_enumeration(const char *name)
> > +{
> > +	struct enumeration *enumeration;
> > +
> > +	enumeration = xmalloc(sizeof *enumeration);
> > +	enumeration->name = xstrdup(name);
> > +	enumeration->uppercase_name = uppercase_dup(name);
> > +	enumeration->description = NULL;
> > +
> > +	wl_list_init(&enumeration->entry_list);
> > +
> > +	return enumeration;
> > +}
> > +
> > +static struct entry *
> > +create_entry(const char *name, const char *value)
> > +{
> > +	struct entry *entry;
> > +
> > +	entry = xmalloc(sizeof *entry);
> > +	entry->name = xstrdup(name);
> > +	entry->uppercase_name = uppercase_dup(name);
> > +	entry->value = xstrdup(value);
> > +
> > +	return entry;
> > +}
> > +
> > +static struct interface *
> > +create_interface(struct location loc, const char *name, int version)
> > +{
> > +	struct interface *interface;
> > +
> > +	interface = xmalloc(sizeof *interface);
> > +	interface->loc = loc;
> > +	interface->name = xstrdup(name);
> > +	interface->uppercase_name = uppercase_dup(name);
> > +	interface->version = version;
> > +	interface->description = NULL;
> > +	interface->since = 1;
> > +	wl_list_init(&interface->request_list);
> > +	wl_list_init(&interface->event_list);
> > +	wl_list_init(&interface->enumeration_list);
> > +
> > +	return interface;
> > +}
> > +
> >  static void
> >  start_element(void *data, const char *element_name, const char **atts)
> >  {
> > @@ -376,32 +479,16 @@ start_element(void *data, const char *element_name, const char **atts)
> >  		if (version == 0)
> >  			fail(&ctx->loc, "no interface version given");
> >  
> > -		interface = xmalloc(sizeof *interface);
> > -		interface->loc = ctx->loc;
> > -		interface->name = xstrdup(name);
> > -		interface->uppercase_name = uppercase_dup(name);
> > -		interface->version = version;
> > -		interface->description = NULL;
> > -		interface->since = 1;
> > -		wl_list_init(&interface->request_list);
> > -		wl_list_init(&interface->event_list);
> > -		wl_list_init(&interface->enumeration_list);
> > +		interface = create_interface(ctx->loc, name, version);
> > +		ctx->interface = interface;
> >  		wl_list_insert(ctx->protocol->interface_list.prev,
> >  			       &interface->link);
> > -		ctx->interface = interface;
> >  	} else if (strcmp(element_name, "request") == 0 ||
> >  		   strcmp(element_name, "event") == 0) {
> >  		if (name == NULL)
> >  			fail(&ctx->loc, "no request name given");
> >  
> > -		message = xmalloc(sizeof *message);
> > -		message->loc = ctx->loc;
> > -		message->name = xstrdup(name);
> > -		message->uppercase_name = uppercase_dup(name);
> > -		wl_list_init(&message->arg_list);
> > -		message->arg_count = 0;
> > -		message->new_id_count = 0;
> > -		message->description = NULL;
> > +		message = create_message(ctx->loc, name);
> >  
> >  		if (strcmp(element_name, "request") == 0)
> >  			wl_list_insert(ctx->interface->request_list.prev,
> > @@ -440,28 +527,9 @@ start_element(void *data, const char *element_name, const char **atts)
> >  		if (name == NULL)
> >  			fail(&ctx->loc, "no argument name given");
> >  
> > -		arg = xmalloc(sizeof *arg);
> > -		arg->name = xstrdup(name);
> > -
> > -		if (strcmp(type, "int") == 0)
> > -			arg->type = INT;
> > -		else if (strcmp(type, "uint") == 0)
> > -			arg->type = UNSIGNED;
> > -		else if (strcmp(type, "fixed") == 0)
> > -			arg->type = FIXED;
> > -		else if (strcmp(type, "string") == 0)
> > -			arg->type = STRING;
> > -		else if (strcmp(type, "array") == 0)
> > -			arg->type = ARRAY;
> > -		else if (strcmp(type, "fd") == 0)
> > -			arg->type = FD;
> > -		else if (strcmp(type, "new_id") == 0) {
> > -			arg->type = NEW_ID;
> > -		} else if (strcmp(type, "object") == 0) {
> > -			arg->type = OBJECT;
> > -		} else {
> > +		arg = create_arg(name);
> > +		if (!set_arg_type(arg, type))
> >  			fail(&ctx->loc, "unknown type (%s)", type);
> > -		}
> >  
> >  		switch (arg->type) {
> >  		case NEW_ID:
> > @@ -472,8 +540,6 @@ start_element(void *data, const char *element_name, const char **atts)
> >  		case OBJECT:
> >  			if (interface_name)
> >  				arg->interface_name = xstrdup(interface_name);
> > -			else
> > -				arg->interface_name = NULL;
> >  			break;
> >  		default:
> >  			if (interface_name != NULL)
> > @@ -491,7 +557,6 @@ start_element(void *data, const char *element_name, const char **atts)
> >  		if (allow_null != NULL && !is_nullable_type(arg))
> >  			fail(&ctx->loc, "allow-null is only valid for objects, strings, and arrays");
> >  
> > -		arg->summary = NULL;
> >  		if (summary)
> >  			arg->summary = xstrdup(summary);
> >  
> > @@ -501,12 +566,7 @@ start_element(void *data, const char *element_name, const char **atts)
> >  		if (name == NULL)
> >  			fail(&ctx->loc, "no enum name given");
> >  
> > -		enumeration = xmalloc(sizeof *enumeration);
> > -		enumeration->name = xstrdup(name);
> > -		enumeration->uppercase_name = uppercase_dup(name);
> > -		enumeration->description = NULL;
> > -		wl_list_init(&enumeration->entry_list);
> > -
> > +		enumeration = create_enumeration(name);
> >  		wl_list_insert(ctx->interface->enumeration_list.prev,
> >  			       &enumeration->link);
> >  
> > @@ -515,10 +575,8 @@ start_element(void *data, const char *element_name, const char **atts)
> >  		if (name == NULL)
> >  			fail(&ctx->loc, "no entry name given");
> >  
> > -		entry = xmalloc(sizeof *entry);
> > -		entry->name = xstrdup(name);
> > -		entry->uppercase_name = uppercase_dup(name);
> > -		entry->value = xstrdup(value);
> > +		entry = create_entry(name, value);
> > +
> >  		if (summary)
> >  			entry->summary = xstrdup(summary);
> >  		else
> > -- 
> > 2.4.3
> > 
> > _______________________________________________
> > wayland-devel mailing list
> > wayland-devel at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/wayland-devel
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