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emit/__emit: Allow the use of constant expressions as opcode arguments

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This commit is contained in:
Daniel_Cortez 2017-12-03 21:23:36 +07:00
parent 873060e7e8
commit fab8c53db0
1 changed files with 18 additions and 13 deletions
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19
source/compiler/sc1.c
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@ -5907,18 +5907,21 @@ static void emit_param_any(ucell *p,int size)
} /* if */ } /* if */
p[curp]=(neg!=0) ? -sym->addr : sym->addr; p[curp]=(neg!=0) ? -sym->addr : sym->addr;
break; break;
default: case '(':
if (tok==(int)'-') { constexpr(&val,NULL,NULL);
needtoken(')');
p[curp]=val;
break;
case '-':
if (neg==0) { if (neg==0) {
neg=1; neg=1;
goto fetchtok; goto fetchtok;
} else { } /* if */
char ival[sNAMEMAX+2]="-"; char ival[sNAMEMAX+2]="-";
strcpy(ival+1,str); strcpy(ival+1,str);
error(1,sc_tokens[tSYMBOL-tFIRST],ival); error(1,sc_tokens[tSYMBOL-tFIRST],ival);
break; break;
} /* if */ default:
} /* if */
emit_invalid_token(teNUMBER,tok); emit_invalid_token(teNUMBER,tok);
} /* switch */ } /* switch */
} while (++curp<size); } while (++curp<size);
@ -6048,11 +6051,13 @@ fetchtok:
markusage(sym,uREAD); markusage(sym,uREAD);
val=(neg!=0) ? -sym->addr : sym->addr; val=(neg!=0) ? -sym->addr : sym->addr;
break; break;
default: case '-':
if (tok==(int)'-' && neg==0) { if (neg==0) {
neg=1; neg=1;
goto fetchtok; goto fetchtok;
} /* if */ } /* if */
/* drop through */
default:
emit_invalid_token(teNUMBER,tok); emit_invalid_token(teNUMBER,tok);
return; return;
} /* switch */ } /* switch */