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Merge pull request #157 from AntonioND/an/error-undef-diff

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Output error message if diff of labels not defined
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AntonioND
2017-04-05 23:08:37 +01:00
committed by GitHub
parent 7eb9101d43 e63e801e9c
commit 0f3b708dce
3 changed files with 51 additions and 2 deletions
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9
src/asm/asmy.y
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@@ -1039,9 +1039,14 @@ const : T_ID { $$ = sym_GetConstantValue($1); }
| const T_OP_LOGICNE const { $$ = $1 != $3; }
| const T_OP_ADD const { $$ = $1 + $3; }
| const T_OP_SUB const { $$ = $1 - $3; }
| T_ID T_OP_SUB T_ID { $$ = sym_GetDefinedValue($1) - sym_GetDefinedValue($3); }
| T_ID T_OP_SUB T_ID
{
if (sym_IsRelocDiffDefined($1, $3) == 0)
fatalerror("'%s - %s' not defined.", $1, $3);
$$ = sym_GetDefinedValue($1) - sym_GetDefinedValue($3);
}
| const T_OP_XOR const { $$ = $1 ^ $3; }
| const T_OP_OR const { $$ = $1 | $3; }
| const T_OP_OR const { $$ = $1 | $3; }
| const T_OP_AND const { $$ = $1 & $3; }
| const T_OP_SHL const { $$ = $1 << $3; }
| const T_OP_SHR const { $$ = $1 >> $3; }