A2osX/BIN/CC.S.F.txt

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NEW
AUTO 3,1
*--------------------------------------
F.Decl stz LocalPtr
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jsr CC.PushTQ push T/Q for RETURN
bcs .99
ldx #$80 CPStmt.fDef state
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jsr CC.STMT.CPStmt.NEW
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bcs .99
jsr SYM.NewScope
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bcs .99
jsr CORE.GetNCharNB Skip (
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bcs .9
cmp #')' func()
beq .6
*--------------------------------------
.1 jsr F.DeclGetTQ
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bcs .99
>STYA ZPPtr2 Save T/Q
jsr SYM.AddWord
bcs .99
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jsr CC.GetCharNB
bcs .9
jsr CC.IsLetter
bcs .2
jsr F.NewArg
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bcs .99
jsr CC.GetCharNB
bcs .9
.2 cmp #')'
beq .6
cmp #','
bne .9
jsr CORE.GetNCharNB Skip ,
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bcc .1
.9 lda #E.CSYN
sec
.99 rts
*--------------------------------------
.6 jsr SYM.Add0000 definition End
bcs .99
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jsr CORE.GetNCharNBNL Skip ')'
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bcs .9
cmp #';'
bne .7
jsr SYM.FreeScope discard local scope
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lda CStackPtr
clc
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adc #8
sta CStackPtr discard this CPStmt + T/Q
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stz LocalPtr reset for DEBUG Message
clc
rts
*--------------------------------------
.7 cmp #'{'
bne .9
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bit bInitCode
bmi .8
dec bInitCode
lda #$60 RTS
jsr CODE.EmitByte Close INIT code
bcs .99
.8 >LDYA ZPCCCode f() Code starts HERE
jsr SYM.SetAddrYA
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lda LocalPtr
jsr CODE.LDAI A = f() ARGS size
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bcs .99
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>LDYA L.PCC.ENTER
jmp CODE.EmitPCC Store f() Declaration / Start Definition
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*--------------------------------------
F.DeclGetTQ lda (ZPLineBufPtr)
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cmp #'.'
bne .5
ldx #2
.1 jsr CC.GetNextChar
bcs .9
cmp #'.'
bne .9
dex
bne .1
jsr CORE.GetNCharNB
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bcs .9
eor #')'
bne .9
ldy #SYM.T.VARIADIC Type
* lda #0 Qual
* clc
rts
*--------------------------------------
.5 jsr SYM.Lookup var or func() ?
bcs .6
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ldy #SYM.SC
lda (ZPLookupSymPtr),y
cmp #SYM.SC.TYPEDEF
bne .9
jmp TYPE.GetTQInYA2
.6 >LDYA L.CC.TYPEQUAL
jsr CC.LookupID
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bcs .9
jmp TYPE.GetTQInYA
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.9 lda #E.CSYN
sec
rts
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*--------------------------------------
F.NewArg >LDYA.G CC.SymID
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>STYA.G CC.SymIDSave
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>LEA.G CC.ArgBuf
>STYA ZPSymBufPtr
>LDYA ZPPtr2
ldx #SYM.SC.AUTO
sec Reset Buffer
jsr SYM.New
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bcs .9
jsr SYM.StoreL Store f() Args in Local scope
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bcs .9
>LDA.G CC.hSymBuf
>SYSCALL GetMemPtr
>STYA ZPSymBufPtr
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>LDYA.G CC.SymIDSave
>STYA.G CC.SymID
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.9 rts
*--------------------------------------
F.Def.END >LDYA L.PCC.LEAVE
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jsr CODE.EmitPCC
bcs .9
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jsr SYM.FreeScope
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stz LocalPtr back to global
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clv pop context
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clc
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.9 rts
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*--------------------------------------
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* in : ZPSymPtr
* Y,A = Expected T/Q
*--------------------------------------
F.CallNoRetV ldy #0 no expected T/Q
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tya
clc
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.HS B0 BCS
F.CallRetV sec
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ldx ZPPtr1 local : variadic size
phx
ldx ZPPtr1+1 local : bRetV
phx
ldx ZPPtr2 local : expected T
phx
ldx ZPPtr2+1 local : expected Q
phx
>STYA ZPPtr2
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ror ZPPtr1+1 bRetV
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* bpl .20 no return value on stack
* ldy #SYM.Addr+1
* lda (ZPLookupSymPtr),y
* beq .20 SYS/LIB/FPU call, no ret value space
jsr EXP.GetSymSizeOfInAXC
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jsr CODE.nAddLocal
* >DEBUG
.20 jsr CORE.GetNCharNB skip '('
bcs .90
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jsr SYM.LookupCheckTQ
bcs .93
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*--------------------------------------
stz ZPPtr1 Reset VARIADIC byte count
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lda #SYM.Def
>STA.G CC.LookupSymPtr
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jsr F.GetTQ get First Arg T/Q
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beq .7 end of list, go check ending ')'
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.3 cpy #SYM.T.VARIADIC
bne .4
lda #0 Expected T/Q = 0 if VARIADIC
tay
.4 and #$F0 CONST+VOLATILE+FUNC+FASTCALL
jsr EXP.Eval
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bcs .93
jsr EXP.GetYASizeOfInAXC
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tax save Sizeof in X
jsr F.GetTQ
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cpy #SYM.T.VARIADIC
bne .50 if VARIADIC, don't advance to next arg
txa
clc make sure pointer only 2 bytes
adc ZPPtr1
sta ZPPtr1 Add to byte count
bra .5
.50 >LDA.G CC.LookupSymPtr
clc
adc #2
sta (pData),y
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.5 jsr CC.GetCharNB
bcs .90
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cmp #','
bne .6
jsr CORE.GetNCharNBNL Skip ','
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jsr F.GetTQ
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bne .3 Another ARG....
bra .90 extra args....error
.6 cmp #')'
bne .90
jsr F.GetTQ
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beq .8 no more arg after ')', exit
cpy #SYM.T.VARIADIC
bne .90 missing arg
lda ZPPtr1 push VARIADIC byte count
jsr CODE.PUSHI
.7 jsr CC.GetCharNB
bcs .90
cmp #')'
bne .90
.8 jsr CORE.GetNCharNB Skip )
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jsr F.Call2
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bra .93
.90 lda #E.CSYN
.92 sec
.93 plx
stx ZPPtr2+1
plx
stx ZPPtr2
plx
stx ZPPtr1+1
plx
stx ZPPtr1
.99 rts
*--------------------------------------
* X = last var size
*--------------------------------------
F.Call2 ldy #SYM.Q
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lda (ZPLookupSymPtr),y
and #SYM.Q.FASTCALL
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beq .1
ldy #SYM.Def Get first (only) argument
jsr F.GetTQAtY
jsr TYPE.SizeOf
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dex
bne .19
jsr CODE.PULLA
bra .1
.19 jsr CODE.PULLYA
.1 jsr F.Call3
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bcs .9
bit ZPPtr1+1 bRetV
bmi .5
* NO Return Value : call & discard stack if not in Y,A
>LDYA ZPPtr2 function T/Q
jsr TYPE.SizeOf
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txa
beq .11 void
cpx #3 A or Y,A
bcc .11
.10 jsr CODE.INCPSTACK
dex
bne .10
.11 clc
.9 rts
* Return Value : call & put result on stack if in Y,A
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.5
ldy #SYM.Addr+1
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lda (ZPLookupSymPtr),y
cmp #3+LIBS.MAX
bcs .8 not a SYS/FPU/LIB call...Ret value on stack
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>LDYA ZPPtr2 function T/Q
jsr TYPE.SizeOf
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cpx #3
bcs .8 leave on stack
dex
bne .60
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jsr CODE.PUSHA push ONE byte on stack
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bra .8
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.60 jsr CODE.PUSHYA push TWO bytes on stack
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.8 >LDYA ZPPtr2 T/Q
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clc
rts
*--------------------------------------
F.Call3 ldy #SYM.Addr+1
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lda (ZPLookupSymPtr),y
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beq .9
pha
dey
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lda (ZPLookupSymPtr),y
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tax
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ply Y=HI,X=LO
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cpy #1
bne .1
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jmp CODE.SYSCALL
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.1 cpy #2
bne .2
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jmp CODE.FPUCALL
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.2 cpy #3+LIBS.MAX
bcs .3
jmp CODE.LIBCALL
.3 lda #$EA NOP
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jsr CODE.EmitByte
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bcs .99
lda #$EA NOP
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jsr CODE.EmitByte
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bcs .99
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lda #$20 JSR abs
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jmp CODE.TOABSYX
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.9 bit bPass2
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bmi .91
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lda #5 leave room for LDX #imm, JSR abs
clc
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adc ZPCCCode
sta ZPCCCode
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bcc .90
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inc ZPCCCode+1
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.90 clc
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rts
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.91 lda #E.FUNDEF
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sec
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.99 rts
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*--------------------------------------
F.GetTQ >LDA.G CC.LookupSymPtr
tay
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F.GetTQAtY lda (ZPLookupSymPtr),y
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pha
iny
lda (ZPLookupSymPtr),y
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ply
rts
*--------------------------------------
MAN
SAVE usr/src/bin/cc.s.f
LOAD usr/src/bin/cc.s
ASM