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Improved argument validation in FP API.

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Fixes #372
This commit is contained in:
Christoph M. Wintersteiger 2015-12-11 17:48:40 +00:00
parent b25f517a89
commit 12ee1d342c
1 changed files with 189 additions and 0 deletions
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189
src/api/api_fpa.cpp
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@ -22,6 +22,30 @@ Notes:
#include"api_context.h"
#include"fpa_decl_plugin.h"
bool is_fp_sort(Z3_context c, Z3_sort s) {
return mk_c(c)->fpautil().is_float(to_sort(s));
}
bool is_fp(Z3_context c, Z3_ast a) {
return mk_c(c)->fpautil().is_float(to_expr(a));
}
bool is_rm_sort(Z3_context c, Z3_sort s) {
return mk_c(c)->fpautil().is_rm(to_sort(s));
}
bool is_rm(Z3_context c, Z3_ast a) {
return mk_c(c)->fpautil().is_rm(to_expr(a));
}
bool is_bv_sort(Z3_context c, Z3_sort s) {
return mk_c(c)->bvutil().is_bv_sort(to_sort(s));
}
bool is_bv(Z3_context c, Z3_ast a) {
return mk_c(c)->bvutil().is_bv(to_expr(a));
}
extern "C" {
Z3_sort Z3_API Z3_mk_fpa_rounding_mode_sort(Z3_context c) {
@ -196,6 +220,11 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_nan(c, s);
RESET_ERROR_CODE();
CHECK_VALID_AST(s, 0);
if (!is_fp_sort(c, s)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_nan(to_sort(s));
ctx->save_ast_trail(a);
@ -207,6 +236,11 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_inf(c, s, negative);
RESET_ERROR_CODE();
CHECK_VALID_AST(s, 0);
if (!is_fp_sort(c, s)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = negative != 0 ? ctx->fpautil().mk_ninf(to_sort(s)) :
ctx->fpautil().mk_pinf(to_sort(s));
@ -219,6 +253,11 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_inf(c, s, negative);
RESET_ERROR_CODE();
CHECK_VALID_AST(s, 0);
if (!is_fp_sort(c, s)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = negative != 0 ? ctx->fpautil().mk_nzero(to_sort(s)) :
ctx->fpautil().mk_pzero(to_sort(s));
@ -231,6 +270,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_fp(c, sgn, sig, exp);
RESET_ERROR_CODE();
if (!is_bv(c, sgn) || !is_bv(c, exp) || !is_bv(c, sig)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_fp(to_expr(sgn), to_expr(sig), to_expr(exp));
ctx->save_ast_trail(a);
@ -242,6 +285,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_numeral_float(c, v, ty);
RESET_ERROR_CODE();
if (!is_fp_sort(c, ty)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
scoped_mpf tmp(ctx->fpautil().fm());
ctx->fpautil().fm().set(tmp,
@ -258,6 +305,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_numeral_double(c, v, ty);
RESET_ERROR_CODE();
if (!is_fp_sort(c, ty)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
scoped_mpf tmp(ctx->fpautil().fm());
ctx->fpautil().fm().set(tmp, ctx->fpautil().get_ebits(to_sort(ty)), ctx->fpautil().get_sbits(to_sort(ty)), v);
@ -271,6 +322,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_numeral_int(c, v, ty);
RESET_ERROR_CODE();
if (!is_fp_sort(c, ty)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
scoped_mpf tmp(ctx->fpautil().fm());
ctx->fpautil().fm().set(tmp,
@ -287,6 +342,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_numeral_int64_uint64(c, sgn, exp, sig, ty);
RESET_ERROR_CODE();
if (!is_fp_sort(c, ty)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
scoped_mpf tmp(ctx->fpautil().fm());
ctx->fpautil().fm().set(tmp,
@ -303,6 +362,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_numeral_int64_uint64(c, sgn, exp, sig, ty);
RESET_ERROR_CODE();
if (!is_fp_sort(c, ty)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
scoped_mpf tmp(ctx->fpautil().fm());
ctx->fpautil().fm().set(tmp,
@ -319,6 +382,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_abs(c, t);
RESET_ERROR_CODE();
if (!is_fp(c, t)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_abs(to_expr(t));
ctx->save_ast_trail(a);
@ -330,6 +397,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_neg(c, t);
RESET_ERROR_CODE();
if (!is_fp(c, t)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_neg(to_expr(t));
ctx->save_ast_trail(a);
@ -341,6 +412,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_add(c, rm, t1, t2);
RESET_ERROR_CODE();
if (!is_rm(c, rm) || !is_fp(c, t1) || !is_fp(c, t2)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_add(to_expr(rm), to_expr(t1), to_expr(t2));
ctx->save_ast_trail(a);
@ -352,6 +427,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_add(c, rm, t1, t2);
RESET_ERROR_CODE();
if (!is_rm(c, rm) || !is_fp(c, t1) || !is_fp(c, t2)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_sub(to_expr(rm), to_expr(t1), to_expr(t2));
ctx->save_ast_trail(a);
@ -363,6 +442,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_add(c, rm, t1, t2);
RESET_ERROR_CODE();
if (!is_rm(c, rm) || !is_fp(c, t1) || !is_fp(c, t2)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_mul(to_expr(rm), to_expr(t1), to_expr(t2));
ctx->save_ast_trail(a);
@ -374,6 +457,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_add(c, rm, t1, t2);
RESET_ERROR_CODE();
if (!is_rm(c, rm) || !is_fp(c, t1) || !is_fp(c, t2)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_div(to_expr(rm), to_expr(t1), to_expr(t2));
ctx->save_ast_trail(a);
@ -385,6 +472,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_fma(c, rm, t1, t2, t3);
RESET_ERROR_CODE();
if (!is_rm(c, rm) || !is_fp(c, t1) || !is_fp(c, t2) || !is_fp(c, t3)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_fma(to_expr(rm), to_expr(t1), to_expr(t2), to_expr(t3));
ctx->save_ast_trail(a);
@ -396,6 +487,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_sqrt(c, rm, t);
RESET_ERROR_CODE();
if (!is_rm(c, rm) || !is_fp(c, t)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_sqrt(to_expr(rm), to_expr(t));
ctx->save_ast_trail(a);
@ -407,6 +502,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_rem(c, t1, t2);
RESET_ERROR_CODE();
if (!is_fp(c, t1) || !is_fp(c, t2)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_rem(to_expr(t1), to_expr(t2));
ctx->save_ast_trail(a);
@ -418,6 +517,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_round_to_integral(c, rm, t);
RESET_ERROR_CODE();
if (!is_rm(c, rm) || !is_fp(c, t)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_round_to_integral(to_expr(rm), to_expr(t));
ctx->save_ast_trail(a);
@ -429,6 +532,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_min(c, t1, t2);
RESET_ERROR_CODE();
if (!is_fp(c, t1) || !is_fp(c, t2)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_min(to_expr(t1), to_expr(t2));
ctx->save_ast_trail(a);
@ -440,6 +547,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_max(c, t1, t2);
RESET_ERROR_CODE();
if (!is_fp(c, t1) || !is_fp(c, t2)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_max(to_expr(t1), to_expr(t2));
ctx->save_ast_trail(a);
@ -451,6 +562,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_leq(c, t1, t2);
RESET_ERROR_CODE();
if (!is_fp(c, t1) || !is_fp(c, t2)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_le(to_expr(t1), to_expr(t2));
ctx->save_ast_trail(a);
@ -462,6 +577,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_lt(c, t1, t2);
RESET_ERROR_CODE();
if (!is_fp(c, t1) || !is_fp(c, t2)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_lt(to_expr(t1), to_expr(t2));
ctx->save_ast_trail(a);
@ -473,6 +592,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_geq(c, t1, t2);
RESET_ERROR_CODE();
if (!is_fp(c, t1) || !is_fp(c, t2)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_ge(to_expr(t1), to_expr(t2));
ctx->save_ast_trail(a);
@ -484,6 +607,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_gt(c, t1, t2);
RESET_ERROR_CODE();
if (!is_fp(c, t1) || !is_fp(c, t2)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_gt(to_expr(t1), to_expr(t2));
ctx->save_ast_trail(a);
@ -495,6 +622,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_eq(c, t1, t2);
RESET_ERROR_CODE();
if (!is_fp(c, t1) || !is_fp(c, t2)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_float_eq(to_expr(t1), to_expr(t2));
ctx->save_ast_trail(a);
@ -506,6 +637,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_is_normal(c, t);
RESET_ERROR_CODE();
if (!is_fp(c, t)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_is_normal(to_expr(t));
ctx->save_ast_trail(a);
@ -517,6 +652,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_is_subnormal(c, t);
RESET_ERROR_CODE();
if (!is_fp(c, t)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_is_subnormal(to_expr(t));
ctx->save_ast_trail(a);
@ -528,6 +667,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_is_zero(c, t);
RESET_ERROR_CODE();
if (!is_fp(c, t)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_is_zero(to_expr(t));
ctx->save_ast_trail(a);
@ -539,6 +682,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_is_infinite(c, t);
RESET_ERROR_CODE();
if (!is_fp(c, t)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_is_inf(to_expr(t));
ctx->save_ast_trail(a);
@ -550,6 +697,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_is_nan(c, t);
RESET_ERROR_CODE();
if (!is_fp(c, t)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_is_nan(to_expr(t));
ctx->save_ast_trail(a);
@ -561,6 +712,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_is_negative(c, t);
RESET_ERROR_CODE();
if (!is_fp(c, t)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_is_negative(to_expr(t));
ctx->save_ast_trail(a);
@ -572,6 +727,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_is_positive(c, t);
RESET_ERROR_CODE();
if (!is_fp(c, t)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_is_positive(to_expr(t));
ctx->save_ast_trail(a);
@ -584,6 +743,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_to_fp_bv(c, bv, s);
RESET_ERROR_CODE();
if (!is_bv(c, bv) || !is_fp_sort(c, s)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
fpa_util & fu = ctx->fpautil();
if (!ctx->bvutil().is_bv(to_expr(bv)) ||
@ -673,6 +836,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_to_ubv(c, rm, t, sz);
RESET_ERROR_CODE();
if (!is_rm(c, rm) || !is_fp(c, t)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_to_ubv(to_expr(rm), to_expr(t), sz);
ctx->save_ast_trail(a);
@ -684,6 +851,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_to_sbv(c, rm, t, sz);
RESET_ERROR_CODE();
if (!is_rm(c, rm) || !is_fp(c, t)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_to_sbv(to_expr(rm), to_expr(t), sz);
ctx->save_ast_trail(a);
@ -695,6 +866,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_to_real(c, t);
RESET_ERROR_CODE();
if (!is_fp(c, t)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_to_real(to_expr(t));
ctx->save_ast_trail(a);
@ -707,6 +882,11 @@ extern "C" {
LOG_Z3_fpa_get_ebits(c, s);
RESET_ERROR_CODE();
CHECK_NON_NULL(s, 0);
CHECK_VALID_AST(s, 0);
if (!is_fp_sort(c, s)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
return mk_c(c)->fpautil().get_ebits(to_sort(s));
Z3_CATCH_RETURN(0);
}
@ -716,6 +896,11 @@ extern "C" {
LOG_Z3_fpa_get_sbits(c, s);
RESET_ERROR_CODE();
CHECK_NON_NULL(s, 0);
CHECK_VALID_AST(s, 0);
if (!is_fp_sort(c, s)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
return mk_c(c)->fpautil().get_sbits(to_sort(s));
Z3_CATCH_RETURN(0);
}
@ -838,6 +1023,10 @@ extern "C" {
Z3_TRY;
LOG_Z3_mk_fpa_to_ieee_bv(c, t);
RESET_ERROR_CODE();
if (!is_fp(c, t)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
Z3_ast r = of_ast(ctx->fpautil().mk_to_ieee_bv(to_expr(t)));
RETURN_Z3(r);