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* data/c.m4 (b4_ints_in, b4_int_type, b4_int_type_for): New,

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replace...
(b4_sint_type, b4_uint_type): these.
* data/yacc.c, data/glr.c, data/lalr1.cc: Use b4_int_type_for.
* tests/regression.at (Web2c Actions): Adjust.
This commit is contained in:
Akim Demaille
2002-07-25 17:32:34 +00:00
parent 12b0043a6d
commit a762e609e7
6 changed files with 103 additions and 80 deletions
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40
data/c.m4
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@@ -56,23 +56,35 @@ m4_define([b4_copyright],
## Data Types. ##
## ------------ ##
# b4_sint_type(MAX)
# -----------------
# Return the smallest signed int type able to handle the number MAX.
m4_define([b4_sint_type],
[m4_if(m4_eval([$1 <= 127]), [1], [signed char],
m4_eval([$1 <= 32767]), [1], [signed short],
[signed int])])
# b4_ints_in(INT1, INT2, LOW, HIGH)
# ---------------------------------
# Return 1 iff both INT1 and INT2 are in [LOW, HIGH], 0 otherwise.
m4_define([b4_ints_in],
[m4_eval([$3 <= $1 && $1 <= $4 && $3 <= $2 && $2 <= $4])])
# b4_uint_type(MAX)
# -----------------
# Return the smallest unsigned int type able to handle the number MAX.
m4_define([b4_uint_type],
[m4_if(m4_eval([$1 <= 255]), [1], [unsigned char],
m4_eval([$1 <= 65535]), [1], [unsigned short],
[unsigned int])])
# b4_int_type(MIN, MAX)
# ---------------------
# Return the smallest int type able to handle numbers ranging from
# MIN to MAX (included).
m4_define([b4_int_type],
[m4_if(b4_ints_in($@, [0], [255]), [1], [unsigned char],
b4_ints_in($@, [-128], [128]), [1], [signed char],
b4_ints_in($@, [0], [65535]), [1], [unsigned short],
b4_ints_in($@, [-32768], [32767]), [1], [short],
m4_eval([0 <= $1]), [1], [unsigned int],
[int])])
# b4_int_type_for(NAME)
# ---------------------
# Return the smallest int type able to handle numbers ranging from
# `NAME_min' to `NAME_max' (included).
m4_define([b4_int_type_for],
[b4_int_type($1_min, $1_max)])
## ------------------------- ##