A2osX/BIN/CC.S.DECL.txt
2023-01-06 15:02:35 +01:00

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NEW
AUTO 3,1
*--------------------------------------
DECL.AUTO
DECL.REGISTER
DECL.STATIC
DECL.EXTERN
.98 lda #E.CSYN
sec
.99 rts
*--------------------------------------
DECL.TYPEDEF jsr CORE.GetNCharNB
bcs .98
>LDYA L.CC.TYPEQUAL
jsr CC.LookupID
bcs .98
cpx #4 no const nor volatile
bcc .98
jsr TYPE.GetTQInYA
bcs .99
ldx #SYM.SC.TYPEDEF
sec Reset Buffer
jsr SYM.New Y,A=T/Q,storage class TYPEDEF
bcs .99
jsr CC.GetCharNB
bcs .98
cmp #';'
bne .98
jsr CORE.GetNCharNB skip ';'
jmp SYM.Store
.98 lda #E.CSYN
sec
.99 rts
*--------------------------------------
* X = type qual
*--------------------------------------
DECL.X jsr TYPE.GetTQInYA
bcs .99
cpy #SYM.T.SU
bne .7
tax save Q
jsr CC.GetCharNB
bcs .98
cmp #';' from a tag def
beq .8
jsr CC.IsLetter
bcs .98
.1 clc reuse buffer
ldy #SYM.T.SU
txa restore Q
jsr DECL.YAC
bcs .99
jsr CC.GetCharNB
bcs .98
cmp #','
bne .2
jsr CORE.GetNCharNBNL
bcc .1
bcs .98
.2 cmp #';' TODO: struct initalizers
bne .98
.8 clc
rts
.98 lda #E.CSYN
sec
.99 rts
.7 sec Reset Buffer
*--------------------------------------
DECL.YAC ldx #SYM.SC.STATIC Y,A = Type/Qual
bit bLocalScope
bpl .22
ldx #SYM.SC.AUTO
.22 jsr SYM.New Y,A=T/Q, X=SC, C=clear/reuse
bcs .99 OOM or DUP
jsr SYM.GetTQInYA Y,A = T/Q
bit #SYM.Q.FUNC
bne .8
jsr CC.GetCharNB
bcs .98
cmp #';' no initializer...store SYM
beq .28
cmp #'=' type var = value ?
bne .98
jsr CORE.GetNCharNB skip '='
bcs .98
jsr SYM.GetTQInYA expected T/Q
jsr EXP.Eval
bcs .99
jsr SYM.GetAddr1
bcs .99
jsr SYM.GetTQInYA Y,A = T/Q
jsr SYM.PopValue Set value to this var
.29 bcs .99
.28 jsr SYM.Store
bcs .99
jsr CC.GetCharNB
cmp #';'
bne .98
.8 clc
rts
.98 lda #E.CSYN
sec
.99 rts
*--------------------------------------
MAN
SAVE usr/src/bin/cc.s.decl
LOAD usr/src/bin/cc.s
ASM