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Allow (string->number) to return common type (int and double)

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This commit is contained in:
Justin Ethier 2015-04-08 22:59:22 -04:00
parent c62e035153
commit ea8f56a4ee
3 changed files with 15 additions and 14 deletions
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2
cgen.scm
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@ -545,7 +545,7 @@
((eq? p 'open-input-file) "port_type")
((eq? p 'length) "integer_type")
((eq? p 'char->integer) "integer_type")
((eq? p 'string->number) "integer_type")
((eq? p 'string->number) "common_type")
((eq? p 'list->string) "string_type")
; ((eq? p 'string->list) "object")
((eq? p 'string-append) "string_type")

9
cyclone.h
View file

@ -268,5 +268,14 @@ void dispatch(int argc, function_type func, object clo, object cont, object args
void dispatch_va(int argc, function_type_va func, object clo, object cont, object args);
void do_dispatch(int argc, function_type func, object clo, object *buffer);
/* All constant-size objects */
typedef union {
cons_type cons_t;
symbol_type symbol_t;
primitive_type primitive_t;
integer_type integer_t;
double_type double_t;
string_type string_t;
} common_type;
#endif /* CYCLONE_H */

18
runtime.h
View file

@ -660,14 +660,16 @@ static void __string2list(const char *str, cons_type *buf, int buflen){
}
}
static integer_type Cyc_string2number(object str){
static common_type Cyc_string2number(object str){
common_type result;
make_int(n, 0);
if (type_of(str) == string_tag &&
((string_type *) str)->str){
// TODO: not good enough long-term since it doesn't parse floats
n.value = atoi(((string_type *) str)->str);
}
return n;
result.integer_t = n;
return result;
}
static void dispatch_string_91append(int argc, object clo, object cont, object str1, ...) {
@ -975,7 +977,7 @@ static void _char_91_125integer(object cont, object args) {
static void _integer_91_125char(object cont, object args) {
return_funcall1(cont, Cyc_integer2char(car(args)));}
static void _string_91_125number(object cont, object args) {
integer_type i = Cyc_string2number(car(args));
common_type i = Cyc_string2number(car(args));
return_funcall1(cont, &i);}
//static void _error(object cont, object args) {
// integer_type argc = Cyc_length(args);
@ -1122,16 +1124,6 @@ defprimitive(write, write, &_write); /* write */
defprimitive(display, display, &_display); /* display */
/* -------------------------------------------- */
/* All constant-size objects */
typedef union {
cons_type cons_t;
symbol_type symbol_t;
primitive_type primitive_t;
integer_type integer_t;
double_type double_t;
string_type string_t;
} common_type;
/*
*
* @param cont - Continuation for the function to call into