QB64/qb64
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Fixes evaluation of valid var/flag names for $LET/$IF

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FellippeHeitor 2021-09-19 15:25:39 -03:00
parent 34138cead6
commit 42208832f5
1 changed files with 3 additions and 12 deletions
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15
source/qb64.bas
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@ -1804,17 +1804,7 @@ DO
IF temp = 0 THEN a$ = "Invalid Syntax. $LET <flag> = <value>": GOTO errmes
l$ = RTRIM$(LEFT$(temp$, temp - 1)): r$ = LTRIM$(MID$(temp$, temp + 1))
'then validate to make certain the left side looks proper
l1$ = ""
FOR i = 1 TO LEN(l$)
a = ASC(l$, i)
SELECT CASE a
CASE 32 'strip out spaces
CASE 46: l1$ = l1$ + CHR$(a)
CASE IS < 48, IS > 90: a$ = "Invalid symbol left of equal sign (" + CHR$(a) + ")": GOTO errmes
CASE ELSE: l1$ = l1$ + CHR$(a)
END SELECT
NEXT
l$ = l1$
IF validname(l$) = 0 THEN a$ = "Invalid flag name": GOTO errmes
IF LEFT$(r$, 1) = CHR$(34) THEN r$ = LTRIM$(MID$(r$, 2))
IF RIGHT$(r$, 1) = CHR$(34) THEN r$ = RTRIM$(LEFT$(r$, LEN(r$) - 1))
IF LEFT$(r$, 1) = "-" THEN
@ -1831,7 +1821,7 @@ DO
CASE 46 'periods are fine.
r1$ = r1$ + "."
CASE IS < 48, IS > 90
a$ = "Invalid symbol right of equal sign (" + CHR$(a) + ")": GOTO errmes
a$ = "Invalid value": GOTO errmes
CASE ELSE
r1$ = r1$ + CHR$(a)
END SELECT
@ -25730,6 +25720,7 @@ FUNCTION EvalPreIF (text$, err$)
NEXT
leftside$ = RTRIM$(LEFT$(temp$, i))
l$ = LTRIM$(RTRIM$(MID$(temp$, i + 1, LEN(l$) - i)))
IF validname(l$) = 0 THEN err$ = "Invalid flag name": EXIT FUNCTION
rightstop = LEN(r$)
FOR i = 1 TO LEN(r$)
IF ASC(r$, i) = 32 THEN EXIT FOR