mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-05-04 06:15:46 +00:00
Code Activity

implementing last-index-of #2089

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-03-22 12:29:34 -07:00
parent 62ec02e50f
commit 3c8fd83c97
10 changed files with 174 additions and 31 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/api/z3_api.h
View file

@ -1171,6 +1171,7 @@ typedef enum {
Z3_OP_SEQ_NTH,
Z3_OP_SEQ_LENGTH,
Z3_OP_SEQ_INDEX,
Z3_OP_SEQ_LAST_INDEX,
Z3_OP_SEQ_TO_RE,
Z3_OP_SEQ_IN_RE,
@ -3446,12 +3447,19 @@ extern "C" {
/**
\brief Return index of first occurrence of \c substr in \c s starting from offset \c offset.
If \c s does not contain \c substr, then the value is -1, if \c offset is the length of \c s, then the value is -1 as well.
The function is under-specified if \c offset is negative or larger than the length of \c s.
The value is -1 if \c offset is negative or larger than the length of \c s.
def_API('Z3_mk_seq_index' ,AST ,(_in(CONTEXT), _in(AST), _in(AST), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_seq_index(Z3_context c, Z3_ast s, Z3_ast substr, Z3_ast offset);
/**
\brief Return the last occurrence of \c substr in \c s.
If \c s does not contain \c substr, then the value is -1,
def_API('Z3_mk_seq_last_index', AST, (_in(CONTEXT), _in(AST), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_seq_last_index(Z3_context c, Z3_ast, Z3_ast substr);
/**
\brief Convert string to integer.