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Deprecate IMPORT keyword

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IMPORT is simply useless, any symbol that isn't found in the current
file is automatically flagged as imported symbol.

Signed-off-by: Antonio Niño Díaz <antonio_nd@outlook.com>
This commit is contained in:
Antonio Niño Díaz
2017-04-06 20:35:46 +01:00
parent 1154a173cc
commit 53fa608161
3 changed files with 7 additions and 20 deletions
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1
include/asm/symbol.h
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@@ -54,7 +54,6 @@ void sym_AddEqu(char *tzSym, SLONG value);
void sym_AddSet(char *tzSym, SLONG value); void sym_AddSet(char *tzSym, SLONG value);
void sym_Init(void); void sym_Init(void);
ULONG sym_GetConstantValue(char *s); ULONG sym_GetConstantValue(char *s);
void sym_Import(char *tzSym);
ULONG sym_isConstant(char *s); ULONG sym_isConstant(char *s);
struct sSymbol *sym_FindSymbol(char *tzName); struct sSymbol *sym_FindSymbol(char *tzName);
void sym_Global(char *tzSym); void sym_Global(char *tzSym);

8
src/asm/asmy.y
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@@ -772,7 +772,13 @@ import_list : import_list_entry
| import_list_entry ',' import_list | import_list_entry ',' import_list
; ;
import_list_entry : T_ID { sym_Import($1); } import_list_entry : T_ID {
/* This is done automatically if
* the label isn't found in the
* list of defined symbols. */
if( nPass==1 )
warning("IMPORT is a deprecated keyword with no effect: %s", $1);
}
; ;
export : T_POP_EXPORT export_list export : T_POP_EXPORT export_list

18
src/asm/symbol.c
View File

@@ -689,24 +689,6 @@ sym_Export(char *tzSym)
} }
/*
* Import a symbol
*/
void
sym_Import(char *tzSym)
{
if (nPass == 1) {
/* only import symbols in pass 1 */
struct sSymbol *nsym;
if (findsymbol(tzSym, NULL)) {
yyerror("'%s' already defined", tzSym);
}
if ((nsym = createsymbol(tzSym)) != NULL)
nsym->nType |= SYMF_IMPORT;
}
}
/* /*
* Globalize a symbol (export if defined, import if not) * Globalize a symbol (export if defined, import if not)
*/ */