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Fix .REPT 0 to not repeat the code block at all.

Browse Source 
Also, now list the calculated repeat count for reference.
This occurred a few times in the regression tests to fix the expected
outcome.
This commit is contained in:
Olaf Seibert 2020-03-06 21:58:53 +01:00
parent 7595621cd7
commit 2349d80ec8
9 changed files with 86 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
rept_irpc.c
View File

@ -38,13 +38,14 @@ char *rept_stream_gets(
char *cp;
for (;;) {
if (rstr->count <= 0)
return NULL;
if ((cp = buffer_stream_gets(str)) != NULL)
return cp;
if (--rstr->count <= 0)
return NULL;
buffer_stream_rewind(str);
rstr->count--;
}
}
@ -84,6 +85,8 @@ STREAM *expand_rept(
return NULL;
}
list_value(stack->top, value->data.lit);
gb = new_buffer();
levelmod = 0;

2
tests/2.11BSD-m11-code.lst.ok
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@ -996,7 +996,7 @@
301 001252 110422 movb r4,(r2)+
302 001254 032704 000020 bit #cc.nam,r4
303 001260 001405 beq 3$
304 .rept 4
304 000004 .rept 4
305 movb (r1)+,(r2)+
306 .endm
1 001262 112122 movb (r1)+,(r2)+

4
tests/2.11BSD-m11-expr.lst.ok
View File

@ -906,7 +906,7 @@
154 000600 126167 000005 000000G cmpb 5(r1),objsec
155 000606 001407 beq 2$
156 000610 052716 000020 1$: bis #cc.nam,(sp)
157 .rept 4
157 000004 .rept 4
158 movb (r1)+,(r2)+
159 .endm
1 000614 112122 movb (r1)+,(r2)+
@ -1644,7 +1644,7 @@
527 003006 call crfref ;cref into proper roll
1 003006 004767 000000G jsr pc,crfref
528 003012 012701 000000G mov #symbol,r1
529 .rept 4 ;move into code buffer
529 000004 .rept 4 ;move into code buffer
530 movb (r1)+,(r2)+
531 .endm
1 003016 112122 movb (r1)+,(r2)+

29
tests/2.11BSD-m11-macro.lst.ok
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@ -1121,19 +1121,18 @@
114 000005 sector: .blkb 1 ;symbol/expression type
115 000006 value: .blkw 1 ;expression value
116 000010 rellvl: .blkw 1
117 .rept maxxmt-<<.-symbol>/2> ;end of grouped data
117 000000 .rept maxxmt-<<.-symbol>/2> ;end of grouped data
118 .blkw
119 .endm
1 000012 .blkw
120
121 000014 clcnam: .blkw 2 ;current location counter symbol
122 000020 clcfgs: .blkb 1
123 000021 clcsec: .blkb 1
124 000022 clcloc: .blkw 1
125 000024 clcmax: .blkw 1
121 000012 clcnam: .blkw 2 ;current location counter symbol
122 000016 clcfgs: .blkb 1
123 000017 clcsec: .blkb 1
124 000020 clcloc: .blkw 1
125 000022 clcmax: .blkw 1
126
127 000026 xitsec ;return to normal
1 000026 entsec .text
127 000024 xitsec ;return to normal
1 000024 entsec .text
1 000000 .psect .text con
127
128 prop1: ;process pass 1
@ -1288,11 +1287,11 @@ $TIMDF=000007 CH.MUL=000052 ENDFLG=****** G LET.R =0
9$3 000260R L 002 CH.SUB=000055 ERRBTS=****** G MDFFLG=000004 SECROL=000012 G
AATTRS=000130 CH.UAR=000136 EXMFLG 000000RG 010 MK.SYM=000001 SECTOR 000005RG 009
B.IDF =000001 CH.XCL=000047 FF =000014 MODE 000004RG 009 SETMAX=****** G
BKSIZ 000002RG 008 CLCFGS 000020RG 009 FLAGS 000004RG 009 NEXT =****** G SETNB =****** G
BPMB =000020 CLCLOC 000022RG 009 FT.ID =000001 OBJCHN=****** G SETXPR=****** G
BSSFLG=000004 CLCMAX 000024RG 009 FT.UNX=000001 OPENO =****** G SHRFLG=000001
CATTRS=000170 CLCNAM 000014RG 009 GETLIN=****** G OVRFLG=000020 SPACE =000040
CH.ADD=000053 CLCSEC 000021RG 009 GLBFLG=000100 PASS 000000RG 008 STMNT =****** G
BKSIZ 000002RG 008 CLCFGS 000016RG 009 FLAGS 000004RG 009 NEXT =****** G SETNB =****** G
BPMB =000020 CLCLOC 000020RG 009 FT.ID =000001 OBJCHN=****** G SETXPR=****** G
BSSFLG=000004 CLCMAX 000022RG 009 FT.UNX=000001 OPENO =****** G SHRFLG=000001
CATTRS=000170 CLCNAM 000012RG 009 GETLIN=****** G OVRFLG=000020 SPACE =000040
CH.ADD=000053 CLCSEC 000017RG 009 GLBFLG=000100 PASS 000000RG 008 STMNT =****** G
CH.AND=000046 CNDROL=000020 G INSERT=****** G PATTRS=000050 SWTROL=000022 G
CH.BSL=000134 CODROL=000014 G INSFLG=000002 PDPV45=000000 SYMBOL 000000RG 009
CH.COL=000072 CPOPJ =****** G LBLFLG=000002 PROP1 000000RG 002 SYMROL=000002 G
@ -1319,7 +1318,7 @@ DPURE 000020 005 (RW,I,LCL,REL,CON,NOSAV)
MIXED 000000 006 (RW,I,LCL,REL,CON,NOSAV)
ERRMES 000000 007 (RW,I,LCL,REL,CON,NOSAV)
IMPURE 000006 008 (RW,I,LCL,REL,CON,NOSAV)
IMPPAS 000026 009 (RW,I,LCL,REL,CON,NOSAV)
IMPPAS 000024 009 (RW,I,LCL,REL,CON,NOSAV)
IMPLIN 000002 010 (RW,I,LCL,REL,CON,NOSAV)
SWTSEC 000000 011 (RW,I,LCL,REL,CON,NOSAV)
CNDSEC 000000 012 (RW,I,LCL,REL,CON,NOSAV)

2
tests/2.11BSD-m11-misc.lst.ok
View File

@ -1152,7 +1152,7 @@
1 001006 000207 rts pc
291
292
293 .rept 20 ;generate xmit sequence
293 000020 .rept 20 ;generate xmit sequence
294 mov (r1)+,(r2)+
295 .endm
1 001010 012122 mov (r1)+,(r2)+

2
tests/2.11BSD-m11-xlat.lst.ok
View File

@ -2086,7 +2086,7 @@
694 004202 116767 000000' 000000G movb silly,mode
695 004210 116767 000000C 000000G movb <^pl rolsiz>+1+secrol,sector
696 004216 012703 000000G 1$: mov #clcnam,r3
697 .rept 5
697 000005 .rept 5
698 mov -(r3),-(sp)
699 .endr
1 004222 014346 mov -(r3),-(sp)

1
tests/RunTests
View File

@ -23,6 +23,7 @@ TESTS="test-asciz \
test-prec \
test-psect \
test-rad50 \
test-rept \
test-ua-pl \
test-undef \
test-word-comma"

38
tests/test-rept.lst.ok Normal file
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@ -0,0 +1,38 @@
1 000000 .REPT 0
2 THIS IS A BIG BLOCK OF COMMENTS
3 WE DON'T EXPECT THAT IT WILL EVER BE ASSEMBLED
4 MORE STUFF TO SAY HERE
5
6 .ENDR
7
8
9 000000 005001 clr r1
10 000001 .rept 1
11 inc r1
12 .endr
1 000002 005201 inc r1
13
14 000004 005002 clr r2
15 000002 .rept 2
16 inc r2
17 .endr
1 000006 005202 inc r2
1 000010 005202 inc r2
18
19 000012 005000 clr r0
test-rept.mac:20: ***ERROR .REPT value must be constant
20 .rept undefd
21 000014 005200 inc r0
22 .endr
22
Symbol table
. ******R 001
Program sections:
. ABS. 000000 000 (RW,I,GBL,ABS,OVR,NOSAV)
000016 001 (RW,I,LCL,REL,CON,NOSAV)

22
tests/test-rept.mac Normal file
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@ -0,0 +1,22 @@
.REPT 0
THIS IS A BIG BLOCK OF COMMENTS
WE DON'T EXPECT THAT IT WILL EVER BE ASSEMBLED
MORE STUFF TO SAY HERE
.ENDR
clr r1
.rept 1
inc r1
.endr
clr r2
.rept 2
inc r2
.endr
clr r0
.rept undefd
inc r0
.endr