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closer

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This commit is contained in:
Tom Everett
2016-02-29 20:24:34 -07:00
parent bcc2b4162b
commit 7f782ab66f
1 changed files with 18 additions and 3 deletions
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21
antlr/pdp7asm.g4
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@@ -37,7 +37,7 @@ prog
;
line
: ( label | declarations)* comment? eol
: declarations? comment? eol
;
declarations
@@ -46,6 +46,7 @@ declarations
declaration
: instruction
| label
;
instruction
@@ -85,7 +86,7 @@ comment
;
label
: IDENTIFIER ':'
: LABEL argument?
;
variable
@@ -103,6 +104,16 @@ opcode
| 'sys'
| 'sna'
| 'spa'
| 'lacq'
| 'lrss'
| 'dzm'
| 'sza'
| 'lmq'
| 'cll'
| 'als'
| 'omq'
| 'isz'
| 'sma'
;
LOC
@@ -129,8 +140,12 @@ DIV
: '/'
;
LABEL
: IDENTIFIER ':'
;
IDENTIFIER
: [a-zA-Z]+
: [a-zA-Z0-9]+
;
OCTAL_LITERAL