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Add some utilitites for dealing with unsigned integers in janet.h

This commit is contained in:
Calvin Rose 2023-06-24 10:38:35 -05:00
parent 9120eaef79
commit ff90b81ec3
4 changed files with 24 additions and 6 deletions
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10
src/core/capi.c
View File

@ -273,6 +273,14 @@ int32_t janet_getinteger(const Janet *argv, int32_t n) {
return janet_unwrap_integer(x);
}
uint32_t janet_getuinteger(const Janet *argv, int32_t n) {
Janet x = argv[n];
if (!janet_checkuint(x)) {
janet_panicf("bad slot #%d, expected 32 bit signed integer, got %v", n, x);
}
return janet_unwrap_integer(x);
}
int64_t janet_getinteger64(const Janet *argv, int32_t n) {
#ifdef JANET_INT_TYPES
return janet_unwrap_s64(argv[n]);
@ -290,7 +298,7 @@ uint64_t janet_getuinteger64(const Janet *argv, int32_t n) {
return janet_unwrap_u64(argv[n]);
#else
Janet x = argv[n];
if (!janet_checkint64(x)) {
if (!janet_checkuint64(x)) {
janet_panicf("bad slot #%d, expected 64 bit unsigned integer, got %v", n, x);
}
return (uint64_t) janet_unwrap_number(x);

9
src/core/util.c
View File

@ -805,6 +805,13 @@ int janet_checkint(Janet x) {
return janet_checkintrange(dval);
}
int janet_checkuint(Janet x) {
if (!janet_checktype(x, JANET_NUMBER))
return 0;
double dval = janet_unwrap_number(x);
return janet_checkuintrange(dval);
}
int janet_checkint64(Janet x) {
if (!janet_checktype(x, JANET_NUMBER))
return 0;
@ -816,7 +823,7 @@ int janet_checkuint64(Janet x) {
if (!janet_checktype(x, JANET_NUMBER))
return 0;
double dval = janet_unwrap_number(x);
return dval >= 0 && dval <= JANET_INTMAX_DOUBLE && dval == (uint64_t) dval;
return janet_checkuint64range(dval);
}
int janet_checksize(Janet x) {

8
src/core/vm.c
View File

@ -147,8 +147,8 @@
stack[A] = janet_mcall(#op, 2, _argv);\
vm_checkgc_pcnext();\
} else {\
type1 x1 = (type1) janet_unwrap_integer(op1);\
stack[A] = janet_wrap_integer(x1 op CS);\
type1 x1 = (type1) janet_unwrap_number(op1);\
stack[A] = janet_wrap_number((type1) (x1 op CS));\
vm_pcnext();\
}\
}
@ -175,9 +175,9 @@
Janet op1 = stack[B];\
Janet op2 = stack[C];\
if (janet_checktype(op1, JANET_NUMBER) && janet_checktype(op2, JANET_NUMBER)) {\
type1 x1 = (type1) janet_unwrap_integer(op1);\
type1 x1 = (type1) janet_unwrap_number(op1);\
int32_t x2 = janet_unwrap_integer(op2);\
stack[A] = janet_wrap_integer(x1 op x2);\
stack[A] = janet_wrap_number((type1) (x1 op x2));\
vm_pcnext();\
} else {\
vm_commit();\

3
src/include/janet.h
View File

@ -868,12 +868,15 @@ JANET_API Janet janet_nanbox32_from_tagp(uint32_t tag, void *pointer);
#endif
JANET_API int janet_checkint(Janet x);
JANET_API int janet_checkuint(Janet x);
JANET_API int janet_checkint64(Janet x);
JANET_API int janet_checkuint64(Janet x);
JANET_API int janet_checksize(Janet x);
JANET_API JanetAbstract janet_checkabstract(Janet x, const JanetAbstractType *at);
#define janet_checkintrange(x) ((x) >= INT32_MIN && (x) <= INT32_MAX && (x) == (int32_t)(x))
#define janet_checkuintrange(x) ((x) >= 0 && (x) <= UINT32_MAX && (x) == (uint32_t)(x))
#define janet_checkint64range(x) ((x) >= JANET_INTMIN_DOUBLE && (x) <= JANET_INTMAX_DOUBLE && (x) == (int64_t)(x))
#define janet_checkuint64range(x) ((x) >= 0 && (x) <= JANET_INTMAX_DOUBLE && (x) == (uint64_t)(x))
#define janet_unwrap_integer(x) ((int32_t) janet_unwrap_number(x))
#define janet_wrap_integer(x) janet_wrap_number((int32_t)(x))