diogo/yap-6.3
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This commit is contained in:
Vitor Santos Costa 2018-08-07 17:25:05 +01:00
parent e455d6cc6a
commit 6cdd35b6e1
2 changed files with 28 additions and 19 deletions
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7
C/text.c
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@ -445,6 +445,13 @@ unsigned char *Yap_readText(seq_tv_t *inp USES_REGS) {
Yap_ThrowError(LOCAL_Error_TYPE, inp->val.t, "while reading text in");
}
}
if ((inp->val.t == TermNil) && inp->type & YAP_STRING_PREFER_LIST )
{
out = Malloc(4);
memset(out, 0, 4);
POPRET( out );
}
if (IsAtomTerm(inp->val.t) && inp->type & YAP_STRING_ATOM) {
// this is a term, extract to a buffer, and representation is wide
// Yap_DebugPlWriteln(inp->val.t);

8
H/YapText.h
View File

@ -179,7 +179,8 @@ extern Term Yap_tokRep(void *tokptr);
// standard strings
typedef enum {
typedef enum
{
YAP_STRING_STRING = 0x1, /// target is a string term
YAP_STRING_CODES = 0x2, /// target is a list of integer codes
YAP_STRING_ATOMS = 0x4, /// target is a list of kength-1 atom
@ -204,7 +205,8 @@ typedef enum {
YAP_STRING_UPCASE = 0x100000, // output on malloced buffer
YAP_STRING_DOWNCASE = 0x200000, // output on malloced buffer
YAP_STRING_IN_TMP = 0x400000, // temporary space has been allocated
YAP_STRING_OUTPUT_TERM = 0x800000 // when we're not sure
YAP_STRING_OUTPUT_TERM = 0x800000, // when we're not sure
YAP_STRING_PREFER_LIST = 0x1000000 // when we're not sure
} enum_seq_type_t;
typedef UInt seq_type_t;
@ -958,7 +960,7 @@ static inline Term Yap_ListSWIToString(Term t0 USES_REGS) {
inp.val.t = t0;
inp.type = YAP_STRING_STRING | YAP_STRING_ATOM | YAP_STRING_ATOMS_CODES |
YAP_STRING_INT | YAP_STRING_FLOAT | YAP_STRING_BIG |
YAP_STRING_OUTPUT_TERM;
YAP_STRING_OUTPUT_TERM | YAP_STRING_PREFER_LIST;
out.val.uc = NULL;
out.type = YAP_STRING_STRING;
out.enc = ENC_ISO_UTF8;