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better error messages on accessing invalid IDs in variable expressions

This commit is contained in:
Axel Kohlmeyer 2019-08-02 10:13:52 -04:00
parent 25b504d4fd
commit 21f3f51ea2
No known key found for this signature in database
GPG Key ID: D9B44E93BF0C375A
1 changed files with 45 additions and 20 deletions
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65
src/variable.cpp
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@ -18,6 +18,7 @@
#include <cstring>
#include <cctype>
#include <unistd.h>
#include <string>
#include "universe.h"
#include "atom.h"
#include "update.h"
@ -1302,8 +1303,12 @@ double Variable::evaluate(char *str, Tree **tree, int ivar)
if (word[0] == 'C') lowercase = 0;
int icompute = modify->find_compute(word+2);
if (icompute < 0)
print_var_error(FLERR,"Invalid compute ID in variable formula",ivar);
if (icompute < 0) {
std::string mesg = "Invalid compute ID '";
mesg += (word+2);
mesg += "' in variable formula";
print_var_error(FLERR,mesg.c_str(),ivar);
}
Compute *compute = modify->compute[icompute];
// parse zero or one or two trailing brackets
@ -1604,9 +1609,10 @@ double Variable::evaluate(char *str, Tree **tree, int ivar)
int ifix = modify->find_fix(word+2);
if (ifix < 0) {
char msg[128];
snprintf(msg,128,"Invalid fix ID '%s' in variable formula",word+2);
print_var_error(FLERR,msg,ivar);
std::string mesg = "Invalid fix ID '";
mesg += (word+2);
mesg += "' in variable formula";
print_var_error(FLERR,mesg.c_str(),ivar);
}
Fix *fix = modify->fix[ifix];
@ -3792,8 +3798,12 @@ int Variable::group_function(char *word, char *contents, Tree **tree,
// group to operate on
int igroup = group->find(args[0]);
if (igroup == -1)
print_var_error(FLERR,"Group ID in variable formula does not exist",ivar);
if (igroup == -1) {
std::string mesg = "Group ID '";
mesg += args[0];
mesg += "' in variable formula does not exist";
print_var_error(FLERR,mesg.c_str(),ivar);
}
// match word to group function
@ -4001,8 +4011,12 @@ int Variable::group_function(char *word, char *contents, Tree **tree,
int Variable::region_function(char *id, int ivar)
{
int iregion = domain->find_region(id);
if (iregion == -1)
print_var_error(FLERR,"Region ID in variable formula does not exist",ivar);
if (iregion == -1) {
std::string mesg = "Region ID '";
mesg += id;
mesg += "' in variable formula does not exist";
print_var_error(FLERR,mesg.c_str(),ivar);
}
// init region in case sub-regions have been deleted
@ -4080,9 +4094,10 @@ int Variable::special_function(char *word, char *contents, Tree **tree,
int icompute = modify->find_compute(&args[0][2]);
if (icompute < 0) {
char msg[128];
snprintf(msg,128,"Invalid compute ID '%s' in variable formula",word+2);
print_var_error(FLERR,msg,ivar);
std::string mesg = "Invalid compute ID '";
mesg += (args[0]+2);
mesg += "' in variable formula";
print_var_error(FLERR,mesg.c_str(),ivar);
}
compute = modify->compute[icompute];
if (index == 0 && compute->vector_flag) {
@ -4123,13 +4138,20 @@ int Variable::special_function(char *word, char *contents, Tree **tree,
} else index = 0;
int ifix = modify->find_fix(&args[0][2]);
if (ifix < 0)
print_var_error(FLERR,"Invalid fix ID in variable formula",ivar);
if (ifix < 0) {
std::string mesg = "Invalid fix ID '";
mesg += (args[0]+2);
mesg += "' in variable formula";
print_var_error(FLERR,mesg.c_str(),ivar);
}
fix = modify->fix[ifix];
if (index == 0 && fix->vector_flag) {
if (update->whichflag > 0 && update->ntimestep % fix->global_freq)
print_var_error(FLERR,"Fix in variable not computed at "
"compatible time",ivar);
if (update->whichflag > 0 && update->ntimestep % fix->global_freq) {
std::string mesg = "Fix with ID '";
mesg += (args[0]+2);
mesg += "' in variable formula not computed at compatible time";
print_var_error(FLERR,mesg.c_str(),ivar);
}
nvec = fix->size_vector;
nstride = 1;
} else if (index && fix->array_flag) {
@ -4336,9 +4358,12 @@ int Variable::special_function(char *word, char *contents, Tree **tree,
print_var_error(FLERR,"Invalid special function in variable formula",ivar);
int ivar = find(args[0]);
if (ivar < 0)
print_var_error(FLERR,"Variable ID in "
"variable formula does not exist",ivar);
if (ivar < 0) {
std::string mesg = "Variable ID '";
mesg += args[0];
mesg += "' in variable formula does not exist";
print_var_error(FLERR,mesg.c_str(),ivar);
}
// SCALARFILE has single current value, read next one
// save value in tree or on argstack