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Add #pragma once #463

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Add #pragma once #463

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c0be0d0
Add '#pragma once'
AmyrAhmady Oct 7, 2019
a0edfd1
change `_cchar` variable name and declare variables at start of scope
AmyrAhmady Oct 7, 2019
678a91b
follow compiler include guard style (with `-Z`) for '#pragma once'
AmyrAhmady Oct 10, 2019
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25 changes: 25 additions & 0 deletions source/compiler/sc2.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1231,6 +1231,31 @@ static int command(void)
cell val;
preproc_expr(&val,NULL);
sc_needsemicolon=(int)val;
} else if (strcmp(str,"once")==0) {
char symname[sNAMEMAX];
symbol *included;
/* make it compatible for Windows paths with '\\' directory separator */
char* basefname=inpfname;
for (char* _cchar=inpfname; *_cchar!='\0'; _cchar++)
if (*_cchar=='/'||*_cchar=='\\')
basefname=_cchar+1;
/* assign '_inc_includename' string to symname */
strcpy(symname,"_inc_");
strlcat(symname,basefname,sizeof symname);
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How closely does this replicate all the behaviour here: https://github.com/pawn-lang/compiler/wiki/File-Inclusion

/* check if '_inc_includename' is already in global symbols table or not */
included=find_symbol(&glbtab,symname,fcurrent,-1,NULL);
if (included==NULL)
/* couldn't find '_inc_includename' in symbols table */
add_constant(symname,1,sGLOBAL,0); // add symname ('_inc_includename') to global symbols table
else {
/* found '_inc_includename' symbol in global symbols table */
if (!SKIPPING) {
assert(inpf!=NULL);
if (inpf!=inpf_org)
pc_closesrc(inpf); // close input file (like #endinput)
inpf=NULL;
} /* if */
}
} else if (strcmp(str,"tabsize")==0) {
cell val;
preproc_expr(&val,NULL);
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