mirror of
https://github.com/QB64-Phoenix-Edition/QB64pe.git
synced 2024-06-30 05:10:37 +00:00
Revert "Fix for $LET/$IF"
This reverts commit 4787076573.
A regression was introduced that caused $IF blocks in $INCLUDE files to be ignored.
This commit is contained in:
FellippeHeitor
parent
e2c250a42f
commit
ba5292c951
160
source/qb64.bas
160
source/qb64.bas
|
|
@ -1627,6 +1627,62 @@ DO
|
|||
END IF
|
||||
END IF
|
||||
|
||||
IF LEFT$(temp$, 5) = "$LET " THEN
|
||||
temp$ = LTRIM$(MID$(temp$, 5)) 'simply shorten our string to parse
|
||||
'For starters, let's make certain that we have 3 elements to deal with
|
||||
temp = INSTR(temp$, "=") 'without an = in there, we can't get a value from the left and right side
|
||||
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 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
|
||||
r1$ = "-"
|
||||
r$ = LTRIM$(MID$(r$, 2))
|
||||
ELSE
|
||||
r1$ = ""
|
||||
END IF
|
||||
'then validate to make certain the left side looks proper
|
||||
FOR i = 1 TO LEN(r$)
|
||||
a = ASC(r$, i)
|
||||
SELECT CASE a
|
||||
CASE 32
|
||||
CASE 46 'periods are fine.
|
||||
r1$ = r1$ + "."
|
||||
CASE IS < 48, IS > 90
|
||||
a$ = "Invalid symbol right of equal sign (" + CHR$(a) + ")": GOTO errmes
|
||||
CASE ELSE
|
||||
r1$ = r1$ + CHR$(a)
|
||||
END SELECT
|
||||
NEXT
|
||||
r$ = r1$
|
||||
layout$ = "$LET " + l$ + " = " + r$
|
||||
'First look to see if we have an existing setting like this and if so, update it
|
||||
FOR i = 7 TO UserDefineCount 'UserDefineCount 1-6 are reserved for automatic OS/BIT detection
|
||||
IF UserDefine(0, i) = l$ THEN UserDefine(1, i) = r$: GOTO finishedlinepp
|
||||
NEXT
|
||||
'Otherwise create a new setting and set the initial value for it
|
||||
UserDefineCount = UserDefineCount + 1
|
||||
IF UserDefineCount > UBOUND(UserDefine, 2) THEN
|
||||
REDIM _PRESERVE UserDefine(1, UBOUND(UserDefine, 2) + 10) 'Add another 10 elements to the array so it'll expand as the user adds to it
|
||||
END IF
|
||||
UserDefine(0, UserDefineCount) = l$
|
||||
UserDefine(1, UserDefineCount) = r$
|
||||
GOTO finishedlinepp
|
||||
END IF
|
||||
|
||||
|
||||
IF LEFT$(temp$, 4) = "$IF " THEN
|
||||
IF RIGHT$(temp$, 5) <> " THEN" THEN a$ = "$IF without THEN": GOTO errmes
|
||||
temp$ = LTRIM$(MID$(temp$, 4)) 'strip off the $IF and extra spaces
|
||||
|
|
@ -1698,60 +1754,6 @@ DO
|
|||
GOTO finishedlinepp 'we don't check for anything inside lines that we've marked for skipping
|
||||
END IF
|
||||
|
||||
IF LEFT$(temp$, 5) = "$LET " THEN
|
||||
temp$ = LTRIM$(MID$(temp$, 5)) 'simply shorten our string to parse
|
||||
'For starters, let's make certain that we have 3 elements to deal with
|
||||
temp = INSTR(temp$, "=") 'without an = in there, we can't get a value from the left and right side
|
||||
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 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
|
||||
r1$ = "-"
|
||||
r$ = LTRIM$(MID$(r$, 2))
|
||||
ELSE
|
||||
r1$ = ""
|
||||
END IF
|
||||
'then validate to make certain the left side looks proper
|
||||
FOR i = 1 TO LEN(r$)
|
||||
a = ASC(r$, i)
|
||||
SELECT CASE a
|
||||
CASE 32
|
||||
CASE 46 'periods are fine.
|
||||
r1$ = r1$ + "."
|
||||
CASE IS < 48, IS > 90
|
||||
a$ = "Invalid symbol right of equal sign (" + CHR$(a) + ")": GOTO errmes
|
||||
CASE ELSE
|
||||
r1$ = r1$ + CHR$(a)
|
||||
END SELECT
|
||||
NEXT
|
||||
r$ = r1$
|
||||
layout$ = "$LET " + l$ + " = " + r$
|
||||
'First look to see if we have an existing setting like this and if so, update it
|
||||
FOR i = 7 TO UserDefineCount 'UserDefineCount 1-6 are reserved for automatic OS/BIT detection
|
||||
IF UserDefine(0, i) = l$ THEN UserDefine(1, i) = r$: GOTO finishedlinepp
|
||||
NEXT
|
||||
'Otherwise create a new setting and set the initial value for it
|
||||
UserDefineCount = UserDefineCount + 1
|
||||
IF UserDefineCount > UBOUND(UserDefine, 2) THEN
|
||||
REDIM _PRESERVE UserDefine(1, UBOUND(UserDefine, 2) + 10) 'Add another 10 elements to the array so it'll expand as the user adds to it
|
||||
END IF
|
||||
UserDefine(0, UserDefineCount) = l$
|
||||
UserDefine(1, UserDefineCount) = r$
|
||||
GOTO finishedlinepp
|
||||
END IF
|
||||
|
||||
|
||||
|
||||
|
|
@ -2902,9 +2904,13 @@ DO
|
|||
|
||||
'precompiler commands should always be executed FIRST.
|
||||
|
||||
IF InValidLine(linenumber) THEN layoutdone = 0: GOTO finishednonexec 'We do nothing if the PC has already determined a line to be invalid
|
||||
IF LEFT$(a3u$, 5) = "$LET " THEN layout$ = a3$: GOTO finishednonexec 'we dealt with this basically in the prepass
|
||||
' so we could define CONST and such and have them available for later IDE passes
|
||||
|
||||
IF a3u$ = "$END IF" OR a3u$ = "$ENDIF" THEN
|
||||
IF DefineElse(ExecCounter) = 0 THEN a$ = "$END IF without $IF": GOTO errmes
|
||||
DefineElse(ExecCounter) = 0 'We no longer have an $IF block at this level
|
||||
ExecCounter = ExecCounter - 1
|
||||
layout$ = "$END IF"
|
||||
controltype(controllevel) = 0
|
||||
controllevel = controllevel - 1
|
||||
|
|
@ -2916,6 +2922,16 @@ DO
|
|||
temp$ = RTRIM$(LEFT$(temp$, LEN(temp$) - 4)) 'and strip off the THEN and extra spaces
|
||||
temp = INSTR(temp$, "=")
|
||||
|
||||
ExecCounter = ExecCounter + 1
|
||||
ExecLevel(ExecCounter) = -1 'default to a skip value
|
||||
DefineElse(ExecCounter) = 1 '1 says we have an $IF statement at this level
|
||||
result = EvalPreIF(temp$, a$)
|
||||
IF a$ <> "" THEN GOTO errmes
|
||||
IF result <> 0 THEN
|
||||
ExecLevel(ExecCounter) = ExecLevel(ExecCounter - 1) 'So we inherit the execlevel from above
|
||||
IF ExecLevel(ExecCounter) = 0 THEN DefineElse(ExecCounter) = DefineElse(ExecCounter) OR 4 'Else if used and conditon found
|
||||
END IF
|
||||
|
||||
controllevel = controllevel + 1
|
||||
controltype(controllevel) = 6
|
||||
IF temp = 0 THEN layout$ = "$IF " + temp$ + " THEN": GOTO finishednonexec 'no = sign in the $IF statement, so we're going to assume the user is doing something like $IF flag
|
||||
|
|
@ -2925,6 +2941,14 @@ DO
|
|||
END IF
|
||||
|
||||
IF a3u$ = "$ELSE" THEN
|
||||
IF DefineElse(ExecCounter) = 0 THEN a$ = "$ELSE without $IF": GOTO errmes
|
||||
IF DefineElse(ExecCounter) AND 2 THEN a$ = "$IF block already has $ELSE statement in it": GOTO errmes
|
||||
DefineElse(ExecCounter) = DefineElse(ExecCounter) OR 2 'set the flag to declare an $ELSE already in this block
|
||||
IF DefineElse(ExecCounter) AND 4 THEN 'If we executed code in a previous IF or ELSE IF statement, we can't do it here
|
||||
ExecLevel(ExecCounter) = -1 'So we inherit the execlevel from above
|
||||
ELSE
|
||||
ExecLevel(ExecCounter) = ExecLevel(ExecCounter - 1) 'If we were processing code before, code after this segment is going to be SKIPPED
|
||||
END IF
|
||||
layout$ = "$ELSE"
|
||||
lhscontrollevel = lhscontrollevel - 1
|
||||
GOTO finishednonexec
|
||||
|
|
@ -2933,8 +2957,23 @@ DO
|
|||
IF LEFT$(a3u$, 5) = "$ELSE" THEN
|
||||
temp$ = LTRIM$(MID$(a3u$, 6))
|
||||
IF LEFT$(temp$, 3) = "IF " THEN
|
||||
IF DefineElse(ExecCounter) = 0 THEN a$ = "$ELSE IF without $IF": GOTO errmes
|
||||
IF DefineElse(ExecCounter) AND 2 THEN a$ = "$ELSE IF cannot follow $ELSE": GOTO errmes
|
||||
IF RIGHT$(temp$, 5) <> " THEN" THEN a$ = "$ELSE IF without THEN": GOTO errmes
|
||||
temp$ = LTRIM$(MID$(temp$, 3)) 'strip off the IF and extra spaces
|
||||
temp$ = RTRIM$(LEFT$(temp$, LEN(temp$) - 4)) 'and strip off the THEN and extra spaces
|
||||
IF DefineElse(ExecCounter) AND 4 THEN 'If we executed code in a previous IF or ELSE IF statement, we can't do it here
|
||||
ExecLevel(ExecCounter) = -1
|
||||
ELSE
|
||||
result = EvalPreIF(temp$, a$)
|
||||
IF a$ <> "" THEN GOTO errmes
|
||||
IF result <> 0 THEN
|
||||
ExecLevel(ExecCounter) = ExecLevel(ExecCounter - 1) 'So we inherit the execlevel from above
|
||||
IF ExecLevel(ExecCounter) = 0 THEN DefineElse(ExecCounter) = DefineElse(ExecCounter) OR 4 'Else if used and conditon found
|
||||
END IF
|
||||
END IF
|
||||
|
||||
|
||||
lhscontrollevel = lhscontrollevel - 1
|
||||
temp = INSTR(temp$, "=")
|
||||
IF temp = 0 THEN layout$ = "$ELSEIF " + temp$ + " THEN": GOTO finishednonexec 'no = sign in the $IF statement, so we're going to assume the user is doing something like $IF flag
|
||||
|
|
@ -2944,8 +2983,10 @@ DO
|
|||
END IF
|
||||
END IF
|
||||
|
||||
IF LEFT$(a3u$, 5) = "$LET " THEN layout$ = a3$: GOTO finishednonexec 'we dealt with this basically in the prepass
|
||||
' so we could define CONST and such and have them available for later IDE passes
|
||||
IF ExecLevel(ExecCounter) THEN 'don't check for any more metacommands except the one's which worth with the precompiler
|
||||
layoutdone = 0
|
||||
GOTO finishednonexec 'we don't check for anything inside lines that we've marked for skipping
|
||||
END IF
|
||||
|
||||
|
||||
|
||||
|
|
@ -25135,13 +25176,9 @@ FUNCTION EvalPreIF (text$, err$)
|
|||
NEXT
|
||||
END IF
|
||||
IF INSTR(symbol$, "=") THEN 'check to see if we're equal in any case with =
|
||||
UserFound = 0
|
||||
FOR i = 0 TO UserDefineCount
|
||||
IF UserDefine(0, i) = l$ AND UserDefine(1, i) = r$ THEN result$ = " -1 ": GOTO finishedcheck
|
||||
IF UserDefine(0, i) = l$ THEN UserFound = -1
|
||||
NEXT
|
||||
IF NOT UserFound AND LTRIM$(RTRIM$(r$)) = "UNDEFINED" THEN result$ = " -1 ": GOTO finishedcheck
|
||||
IF UserFound AND LTRIM$(RTRIM$(r$)) = "DEFINED" THEN result$ = " -1 ": GOTO finishedcheck
|
||||
END IF
|
||||
|
||||
IF INSTR(symbol$, ">") THEN 'check to see if we're greater than in any case with >
|
||||
|
|
@ -25244,6 +25281,7 @@ FUNCTION EvalPreIF (text$, err$)
|
|||
END IF
|
||||
NEXT
|
||||
END IF
|
||||
|
||||
END SUB
|
||||
|
||||
FUNCTION VerifyNumber (text$)
|
||||
|
|
|
|||
Loading…
Reference in a new issue