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Minor code cleanup.

Browse Source 
* src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT): Remove macro and
replace all uses with UNIQSTR_CONCAT.
* src/uniqstr.c (uniqstr_vsprintf): New function.
* src/uniqstr.h (uniqstr_vsprintf): Add prototype.
(UNIQSTR_CONCAT, UNIQSTR_GEN_FORMAT, UNIQSTR_GEN_FORMAT_): New
macros.
(cherry picked from commit 10659d0ec9)

Conflicts:

	src/muscle_tab.c
This commit is contained in:
Joel E. Denny
2009-10-07 23:09:43 -04:00
parent 42ec0ae176
commit 0ab402b48b
4 changed files with 95 additions and 38 deletions
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10
ChangeLog
View File

@@ -1,3 +1,13 @@
2009-10-07 Joel E. Denny <jdenny@clemson.edu>
Minor code cleanup.
* src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT): Remove macro and
replace all uses with UNIQSTR_CONCAT.
* src/uniqstr.c (uniqstr_vsprintf): New function.
* src/uniqstr.h (uniqstr_vsprintf): Add prototype.
(UNIQSTR_CONCAT, UNIQSTR_GEN_FORMAT, UNIQSTR_GEN_FORMAT_): New
macros.
2009-10-04 Joel E. Denny <jdenny@clemson.edu>
Minor code cleanup.

62
src/muscle_tab.c
View File

@@ -389,18 +389,6 @@ muscle_user_name_list_grow (char const *key, char const *user_name,
muscle_grow (key, "]]", "");
}
#define MUSCLE_USER_NAME_CONVERT(NAME, PREFIX, USER_NAME, SUFFIX) \
do { \
char *tmp; \
size_t length = strlen ((USER_NAME)); \
tmp = xmalloc (sizeof (PREFIX) - 1 + length + sizeof (SUFFIX)); \
strcpy (tmp, (PREFIX)); \
strcpy (tmp + sizeof (PREFIX) - 1, (USER_NAME)); \
strcpy (tmp + sizeof (PREFIX) - 1 + length, (SUFFIX)); \
(NAME) = uniqstr_new (tmp); \
free (tmp); \
} while (0)
void
muscle_percent_define_insert (char const *variable, location variable_loc,
char const *value,
@@ -421,11 +409,11 @@ muscle_percent_define_insert (char const *variable, location variable_loc,
variable = variable_tr;
}
MUSCLE_USER_NAME_CONVERT (name, "percent_define(", variable, ")");
MUSCLE_USER_NAME_CONVERT (loc_name, "percent_define_loc(", variable, ")");
MUSCLE_USER_NAME_CONVERT (syncline_name,
"percent_define_syncline(", variable, ")");
MUSCLE_USER_NAME_CONVERT (how_name, "percent_define_how(", variable, ")");
name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
syncline_name =
UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")");
how_name = UNIQSTR_CONCAT ("percent_define_how(", variable, ")");
/* Command-line options are processed before the grammar file. */
if (how == MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE
@@ -463,8 +451,8 @@ muscle_percent_define_get (char const *variable)
char const *usage_name;
char *value;
MUSCLE_USER_NAME_CONVERT (name, "percent_define(", variable, ")");
MUSCLE_USER_NAME_CONVERT (usage_name, "percent_define_bison_variables(",
name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
usage_name = UNIQSTR_CONCAT ("percent_define_bison_variables(",
variable, ")");
muscle_insert (usage_name, "");
@@ -478,10 +466,10 @@ location
muscle_percent_define_get_loc (char const *variable)
{
char const *loc_name;
MUSCLE_USER_NAME_CONVERT (loc_name, "percent_define_loc(", variable, ")");
loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
if (!muscle_find_const (loc_name))
fatal(_("undefined %%define variable `%s' passed to muscle_percent_define_get_loc"),
variable);
fatal(_("undefined %%define variable `%s' passed to"
" muscle_percent_define_get_loc"), variable);
return muscle_location_decode (loc_name);
}
@@ -490,12 +478,12 @@ muscle_percent_define_get_syncline (char const *variable)
{
char const *syncline_name;
char const *syncline;
MUSCLE_USER_NAME_CONVERT (syncline_name,
"percent_define_syncline(", variable, ")");
syncline_name =
UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")");
syncline = muscle_find_const (syncline_name);
if (!syncline)
fatal(_("undefined %%define variable `%s' passed to muscle_percent_define_get_syncline"),
variable);
fatal(_("undefined %%define variable `%s' passed to"
" muscle_percent_define_get_syncline"), variable);
return syncline;
}
@@ -506,9 +494,9 @@ muscle_percent_define_ifdef (char const *variable)
char const *usage_name;
char const *value;
MUSCLE_USER_NAME_CONVERT (name, "percent_define(", variable, ")");
MUSCLE_USER_NAME_CONVERT (usage_name, "percent_define_bison_variables(",
variable, ")");
name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
usage_name =
UNIQSTR_CONCAT ("percent_define_bison_variables(", variable, ")");
value = muscle_find_const (name);
if (value)
@@ -526,8 +514,8 @@ muscle_percent_define_flag_if (char const *variable)
char const *invalid_boolean_name;
bool result = false;
MUSCLE_USER_NAME_CONVERT (invalid_boolean_name,
"percent_define_invalid_boolean(", variable, ")");
invalid_boolean_name =
UNIQSTR_CONCAT ("percent_define_invalid_boolean(", variable, ")");
if (muscle_percent_define_ifdef (variable))
{
@@ -558,10 +546,10 @@ muscle_percent_define_default (char const *variable, char const *value)
char const *name;
char const *loc_name;
char const *syncline_name;
MUSCLE_USER_NAME_CONVERT (name, "percent_define(", variable, ")");
MUSCLE_USER_NAME_CONVERT (loc_name, "percent_define_loc(", variable, ")");
MUSCLE_USER_NAME_CONVERT (syncline_name,
"percent_define_syncline(", variable, ")");
name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
syncline_name =
UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")");
if (!muscle_find_const (name))
{
location loc;
@@ -584,7 +572,7 @@ muscle_percent_define_check_values (char const * const *values)
char const *name;
char *value;
MUSCLE_USER_NAME_CONVERT (name, "percent_define(", *variablep, ")");
name = UNIQSTR_CONCAT ("percent_define(", *variablep, ")");
value = muscle_string_decode (name);
if (value)
@@ -622,7 +610,7 @@ muscle_percent_code_grow (char const *qualifier, location qualifier_loc,
char const *code, location code_loc)
{
char const *name;
MUSCLE_USER_NAME_CONVERT (name, "percent_code(", qualifier, ")");
name = UNIQSTR_CONCAT ("percent_code(", qualifier, ")");
muscle_code_grow (name, code, code_loc);
muscle_user_name_list_grow ("percent_code_user_qualifiers", qualifier,
qualifier_loc);

16
src/uniqstr.c
View File

@@ -23,6 +23,7 @@
#include <error.h>
#include <hash.h>
#include <quotearg.h>
#include <stdarg.h>
#include "uniqstr.h"
@@ -53,6 +54,21 @@ uniqstr_new (char const *str)
return res;
}
uniqstr
uniqstr_vsprintf (char const *format, ...)
{
va_list args;
size_t length;
va_start (args, format);
length = vsnprintf (NULL, 0, format, args);
va_end (args);
char res[length + 1];
va_start (args, format);
vsprintf (res, format, args);
va_end (args);
return uniqstr_new (res);
}
/*------------------------------.
| Abort if S is not a uniqstr. |

43
src/uniqstr.h
View File

@@ -29,6 +29,12 @@ typedef char const *uniqstr;
/* Return the uniqstr for STR. */
uniqstr uniqstr_new (char const *str);
/* Return a uniqstr built by vsprintf. In order to simply concatenate
strings, use UNIQSTR_CONCAT, which is a convenient wrapper around
this function. */
uniqstr uniqstr_vsprintf (char const *format, ...)
__attribute__ ((__format__ (__printf__, 1, 2)));
/* Two uniqstr values have the same value iff they are the same. */
#define UNIQSTR_EQ(USTR1, USTR2) ((USTR1) == (USTR2))
@@ -52,4 +58,41 @@ void uniqstrs_free (void);
/* Report them all. */
void uniqstrs_print (void);
/*----------------.
| Concatenation. |
`----------------*/
/* Concatenate at most 20 strings and return a uniqstr. The goal of
this macro is to make the caller's code a little more succinct
without a trivial uniqstr_vsprintf format string to maintain
(for example, "%s%s%s") while still benefitting from gcc's type
checking. Unfortunately, because of the missing format string in the
macro invocation, the argument number reported by gcc for a bad
argument type is 1 too large. */
#define UNIQSTR_CONCAT(...) \
uniqstr_vsprintf (UNIQSTR_GEN_FORMAT (__VA_ARGS__, \
"%s", "%s", "%s", "%s", "%s", \
"%s", "%s", "%s", "%s", "%s", \
"%s", "%s", "%s", "%s", "%s", \
"%s", "%s", "%s", "%s", "%s"), \
__VA_ARGS__)
#define UNIQSTR_GEN_FORMAT(F1, F2, F3, F4, F5, \
F6, F7, F8, F9, F10, \
F11, F12, F13, F14, F15, \
F16, F17, F18, F19, F20, \
...) \
UNIQSTR_GEN_FORMAT_ (__VA_ARGS__, \
"", "", "", "", "", \
"", "", "", "", "", \
"", "", "", "", "", \
"", "", "", "", "")
#define UNIQSTR_GEN_FORMAT_(F1, F2, F3, F4, F5, \
F6, F7, F8, F9, F10, \
F11, F12, F13, F14, F15, \
F16, F17, F18, F19, F20, ...) \
F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 \
F11 F12 F13 F14 F15 F16 F17 F18 F19 F20
#endif /* ! defined UNIQSTR_H_ */