mirror of
https://github.com/johnkerl/miller.git
synced 2026-07-23 16:08:43 +00:00
741 lines
22 KiB
Text
741 lines
22 KiB
Text
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================================================================
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GRAMMAR REORG
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---------------------------------------------------------------- simplest
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mlr -n put -v
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AST ROOT:
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(null)
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mlr -n put -v $m=2
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AST ROOT:
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list (statement_list):
|
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= (srec_assignment):
|
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m (field_name).
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2 (strnum_literal).
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mlr -n put -v $m=2;$m=3
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AST ROOT:
|
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list (statement_list):
|
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= (srec_assignment):
|
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m (field_name).
|
|
2 (strnum_literal).
|
|
= (srec_assignment):
|
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m (field_name).
|
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3 (strnum_literal).
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mlr -n put -v $m=2;$m=3;$m=4
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AST ROOT:
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
m (field_name).
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2 (strnum_literal).
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|
= (srec_assignment):
|
|
m (field_name).
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|
3 (strnum_literal).
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|
= (srec_assignment):
|
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m (field_name).
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4 (strnum_literal).
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mlr -n put -v $m=2;;$m=3;$m=4
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AST ROOT:
|
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list (statement_list):
|
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= (srec_assignment):
|
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m (field_name).
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2 (strnum_literal).
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|
= (srec_assignment):
|
|
m (field_name).
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3 (strnum_literal).
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= (srec_assignment):
|
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m (field_name).
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4 (strnum_literal).
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---------------------------------------------------------------- begin/main/end
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mlr -n put -v begin{@b=1};$m=2;end{@e=3}
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AST ROOT:
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list (statement_list):
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begin (begin):
|
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list (statement_list):
|
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= (oosvar_assignment):
|
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b (oosvar_name).
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1 (strnum_literal).
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= (srec_assignment):
|
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m (field_name).
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2 (strnum_literal).
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end (end):
|
|
list (statement_list):
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= (oosvar_assignment):
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e (oosvar_name).
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3 (strnum_literal).
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---------------------------------------------------------------- main:cond
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mlr -n put -v true{$m=2}
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AST ROOT:
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list (statement_list):
|
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cond (conditional_block):
|
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true (boolean_literal).
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list (statement_list):
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= (srec_assignment):
|
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m (field_name).
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2 (strnum_literal).
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---------------------------------------------------------------- main:empty-for
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mlr -n put -v for(k,v in $*) { }
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AST ROOT:
|
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list (statement_list):
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for (for-srec):
|
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variables (for-variables):
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k (non_sigil_name).
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v (non_sigil_name).
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list (statement_list):
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FOR SREC STUB
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cst_statement_alloc_for_srec stub!
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---------------------------------------------------------------- main:single-statement-for
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mlr -n put -v for(k,v in $*) { $m=1}
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AST ROOT:
|
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list (statement_list):
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|
for (for-srec):
|
|
variables (for-variables):
|
|
k (non_sigil_name).
|
|
v (non_sigil_name).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
m (field_name).
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1 (strnum_literal).
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FOR SREC STUB
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cst_statement_alloc_for_srec stub!
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---------------------------------------------------------------- main:double-statement-for
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mlr -n put -v for(k,v in $*) { $m=1;$m=2 }
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|
AST ROOT:
|
|
list (statement_list):
|
|
for (for-srec):
|
|
variables (for-variables):
|
|
k (non_sigil_name).
|
|
v (non_sigil_name).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
m (field_name).
|
|
1 (strnum_literal).
|
|
= (srec_assignment):
|
|
m (field_name).
|
|
2 (strnum_literal).
|
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FOR SREC STUB
|
|
cst_statement_alloc_for_srec stub!
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---------------------------------------------------------------- main:for w/ break/continue
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mlr -n put -v for(k,v in $*) { $m=1;break;$m=2 }
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AST ROOT:
|
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list (statement_list):
|
|
for (for-srec):
|
|
variables (for-variables):
|
|
k (non_sigil_name).
|
|
v (non_sigil_name).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
m (field_name).
|
|
1 (strnum_literal).
|
|
break (break).
|
|
= (srec_assignment):
|
|
m (field_name).
|
|
2 (strnum_literal).
|
|
FOR SREC STUB
|
|
cst_statement_alloc_for_srec stub!
|
|
break alloc stub!
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|
|
|
mlr -n put -v for(k,v in $*) { $m=1;break;continue;$m=2 }
|
|
AST ROOT:
|
|
list (statement_list):
|
|
for (for-srec):
|
|
variables (for-variables):
|
|
k (non_sigil_name).
|
|
v (non_sigil_name).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
m (field_name).
|
|
1 (strnum_literal).
|
|
break (break).
|
|
continue (break).
|
|
= (srec_assignment):
|
|
m (field_name).
|
|
2 (strnum_literal).
|
|
FOR SREC STUB
|
|
cst_statement_alloc_for_srec stub!
|
|
break alloc stub!
|
|
break alloc stub!
|
|
|
|
mlr -n put -v for(k,v in $*) { $m=1;break;continue;;$m=2 }
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|
AST ROOT:
|
|
list (statement_list):
|
|
for (for-srec):
|
|
variables (for-variables):
|
|
k (non_sigil_name).
|
|
v (non_sigil_name).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
m (field_name).
|
|
1 (strnum_literal).
|
|
break (break).
|
|
continue (break).
|
|
= (srec_assignment):
|
|
m (field_name).
|
|
2 (strnum_literal).
|
|
FOR SREC STUB
|
|
cst_statement_alloc_for_srec stub!
|
|
break alloc stub!
|
|
break alloc stub!
|
|
|
|
|
|
---------------------------------------------------------------- main:for:cond
|
|
mlr -n put -v for(k,v in $*) { true{$m=3} }
|
|
AST ROOT:
|
|
list (statement_list):
|
|
for (for-srec):
|
|
variables (for-variables):
|
|
k (non_sigil_name).
|
|
v (non_sigil_name).
|
|
list (statement_list):
|
|
cond (conditional_block):
|
|
true (boolean_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
m (field_name).
|
|
3 (strnum_literal).
|
|
FOR SREC STUB
|
|
cst_statement_alloc_for_srec stub!
|
|
|
|
|
|
---------------------------------------------------------------- main:cond:for
|
|
mlr -n put -v true{ for(k,v in $*) { $m=1 } }
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|
AST ROOT:
|
|
list (statement_list):
|
|
cond (conditional_block):
|
|
true (boolean_literal).
|
|
list (statement_list):
|
|
for (for-srec):
|
|
variables (for-variables):
|
|
k (non_sigil_name).
|
|
v (non_sigil_name).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
m (field_name).
|
|
1 (strnum_literal).
|
|
FOR SREC STUB
|
|
cst_statement_alloc_for_srec stub!
|
|
|
|
mlr -n put -v true{ for(k,v in $*) { $m=1;break;continue;;$m=2 } }
|
|
AST ROOT:
|
|
list (statement_list):
|
|
cond (conditional_block):
|
|
true (boolean_literal).
|
|
list (statement_list):
|
|
for (for-srec):
|
|
variables (for-variables):
|
|
k (non_sigil_name).
|
|
v (non_sigil_name).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
m (field_name).
|
|
1 (strnum_literal).
|
|
break (break).
|
|
continue (break).
|
|
= (srec_assignment):
|
|
m (field_name).
|
|
2 (strnum_literal).
|
|
FOR SREC STUB
|
|
cst_statement_alloc_for_srec stub!
|
|
break alloc stub!
|
|
break alloc stub!
|
|
|
|
|
|
---------------------------------------------------------------- main:cond:for:cond
|
|
mlr -n put -v true{ for(k,v in $*) { true{$m=3} } }
|
|
AST ROOT:
|
|
list (statement_list):
|
|
cond (conditional_block):
|
|
true (boolean_literal).
|
|
list (statement_list):
|
|
for (for-srec):
|
|
variables (for-variables):
|
|
k (non_sigil_name).
|
|
v (non_sigil_name).
|
|
list (statement_list):
|
|
cond (conditional_block):
|
|
true (boolean_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
m (field_name).
|
|
3 (strnum_literal).
|
|
FOR SREC STUB
|
|
cst_statement_alloc_for_srec stub!
|
|
|
|
|
|
---------------------------------------------------------------- ifs
|
|
mlr -n put -v
|
|
if (NR==1) {
|
|
$x = 2;
|
|
$x = 3
|
|
};
|
|
if (NR == 4) {
|
|
$x = 5;
|
|
$x = 6
|
|
} else {
|
|
$x = 7;
|
|
$x = 8
|
|
};
|
|
if (NR == 9) {
|
|
$x = 10;
|
|
$x = 11
|
|
} elif (NR == 12) {
|
|
$x = 13;
|
|
$x = 14
|
|
} else {
|
|
$x = 15;
|
|
$x = 16
|
|
};
|
|
if (NR == 17) {
|
|
$x = 18;
|
|
$x = 19
|
|
} elif (NR == 20) {
|
|
$x = 21;
|
|
$x = 22
|
|
} elif (NR == 23) {
|
|
$x = 24;
|
|
$x = 25
|
|
} else {
|
|
$x = 26;
|
|
$x = 27
|
|
};
|
|
if (NR == 28) {
|
|
$x = 29;
|
|
$x = 30
|
|
} elif (NR == 31) {
|
|
$x = 32;
|
|
$x = 33
|
|
} elif (NR == 34) {
|
|
$x = 35;
|
|
$x = 36
|
|
} elif (NR == 37) {
|
|
$x = 38;
|
|
$x = 39
|
|
} else {
|
|
$x = 40;
|
|
$x = 41
|
|
}
|
|
AST ROOT:
|
|
list (statement_list):
|
|
if_head (if_head):
|
|
if (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
1 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
2 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
3 (strnum_literal).
|
|
if_head (if_head):
|
|
if (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
4 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
5 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
6 (strnum_literal).
|
|
else (if_item):
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
7 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
8 (strnum_literal).
|
|
if_head (if_head):
|
|
if (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
9 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
10 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
11 (strnum_literal).
|
|
elif (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
12 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
13 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
14 (strnum_literal).
|
|
else (if_item):
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
15 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
16 (strnum_literal).
|
|
if_head (if_head):
|
|
if (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
17 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
18 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
19 (strnum_literal).
|
|
elif (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
20 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
21 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
22 (strnum_literal).
|
|
elif (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
23 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
24 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
25 (strnum_literal).
|
|
else (if_item):
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
26 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
27 (strnum_literal).
|
|
if_head (if_head):
|
|
if (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
28 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
29 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
30 (strnum_literal).
|
|
elif (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
31 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
32 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
33 (strnum_literal).
|
|
elif (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
34 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
35 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
36 (strnum_literal).
|
|
elif (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
37 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
38 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
39 (strnum_literal).
|
|
else (if_item):
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
40 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
41 (strnum_literal).
|
|
|
|
|
|
---------------------------------------------------------------- ifs
|
|
mlr -n put -v
|
|
if (NR==1) {
|
|
$x = 2;
|
|
$x = 3
|
|
};
|
|
if (NR == 4) {
|
|
$x = 5;
|
|
$x = 6
|
|
};
|
|
if (NR == 7) {
|
|
$x = 8;
|
|
$x = 9
|
|
} elif (NR == 10) {
|
|
$x = 11;
|
|
$x = 12
|
|
};
|
|
if (NR == 13) {
|
|
$x = 14;
|
|
$x = 15
|
|
} elif (NR == 16) {
|
|
$x = 17;
|
|
$x = 18
|
|
} elif (NR == 19) {
|
|
$x = 20;
|
|
$x = 21
|
|
};
|
|
if (NR == 22) {
|
|
$x = 23;
|
|
$x = 24
|
|
} elif (NR == 25) {
|
|
$x = 26;
|
|
$x = 27
|
|
} elif (NR == 28) {
|
|
$x = 29;
|
|
$x = 30
|
|
} elif (NR == 31) {
|
|
$x = 32;
|
|
$x = 33
|
|
}
|
|
AST ROOT:
|
|
list (statement_list):
|
|
if_head (if_head):
|
|
if (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
1 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
2 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
3 (strnum_literal).
|
|
if_head (if_head):
|
|
if (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
4 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
5 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
6 (strnum_literal).
|
|
if_head (if_head):
|
|
if (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
7 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
8 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
9 (strnum_literal).
|
|
elif (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
10 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
11 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
12 (strnum_literal).
|
|
if_head (if_head):
|
|
if (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
13 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
14 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
15 (strnum_literal).
|
|
elif (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
16 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
17 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
18 (strnum_literal).
|
|
elif (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
19 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
20 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
21 (strnum_literal).
|
|
if_head (if_head):
|
|
if (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
22 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
23 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
24 (strnum_literal).
|
|
elif (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
25 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
26 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
27 (strnum_literal).
|
|
elif (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
28 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
29 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
30 (strnum_literal).
|
|
elif (if_item):
|
|
== (operator):
|
|
NR (context_variable).
|
|
31 (strnum_literal).
|
|
list (statement_list):
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
32 (strnum_literal).
|
|
= (srec_assignment):
|
|
x (field_name).
|
|
33 (strnum_literal).
|
|
|
|
mlr --opprint put if(NR==2){$x=777} ./reg_test/input/abixy
|
|
a b i x y
|
|
pan pan 1 0.3467901443380824 0.7268028627434533
|
|
eks pan 2 777 0.5221511083334797
|
|
wye wye 3 0.20460330576630303 0.33831852551664776
|
|
eks wye 4 0.38139939387114097 0.13418874328430463
|
|
wye pan 5 0.5732889198020006 0.8636244699032729
|
|
zee pan 6 0.5271261600918548 0.49322128674835697
|
|
eks zee 7 0.6117840605678454 0.1878849191181694
|
|
zee wye 8 0.5985540091064224 0.976181385699006
|
|
hat wye 9 0.03144187646093577 0.7495507603507059
|
|
pan wye 10 0.5026260055412137 0.9526183602969864
|
|
|
|
mlr --opprint put if(NR==2){$x=777}elif(NR==4){$x=888} ./reg_test/input/abixy
|
|
a b i x y
|
|
pan pan 1 0.3467901443380824 0.7268028627434533
|
|
eks pan 2 777 0.5221511083334797
|
|
wye wye 3 0.20460330576630303 0.33831852551664776
|
|
eks wye 4 888 0.13418874328430463
|
|
wye pan 5 0.5732889198020006 0.8636244699032729
|
|
zee pan 6 0.5271261600918548 0.49322128674835697
|
|
eks zee 7 0.6117840605678454 0.1878849191181694
|
|
zee wye 8 0.5985540091064224 0.976181385699006
|
|
hat wye 9 0.03144187646093577 0.7495507603507059
|
|
pan wye 10 0.5026260055412137 0.9526183602969864
|
|
|
|
mlr --opprint put if(NR==2){$x=777}elif(NR==4){$x=888}elif(NR==6){$x=999} ./reg_test/input/abixy
|
|
a b i x y
|
|
pan pan 1 0.3467901443380824 0.7268028627434533
|
|
eks pan 2 777 0.5221511083334797
|
|
wye wye 3 0.20460330576630303 0.33831852551664776
|
|
eks wye 4 888 0.13418874328430463
|
|
wye pan 5 0.5732889198020006 0.8636244699032729
|
|
zee pan 6 999 0.49322128674835697
|
|
eks zee 7 0.6117840605678454 0.1878849191181694
|
|
zee wye 8 0.5985540091064224 0.976181385699006
|
|
hat wye 9 0.03144187646093577 0.7495507603507059
|
|
pan wye 10 0.5026260055412137 0.9526183602969864
|
|
|
|
mlr --opprint put if(NR==2){$x=777}else{$x=0} ./reg_test/input/abixy
|
|
a b i x y
|
|
pan pan 1 0 0.7268028627434533
|
|
eks pan 2 777 0.5221511083334797
|
|
wye wye 3 0 0.33831852551664776
|
|
eks wye 4 0 0.13418874328430463
|
|
wye pan 5 0 0.8636244699032729
|
|
zee pan 6 0 0.49322128674835697
|
|
eks zee 7 0 0.1878849191181694
|
|
zee wye 8 0 0.976181385699006
|
|
hat wye 9 0 0.7495507603507059
|
|
pan wye 10 0 0.9526183602969864
|
|
|
|
mlr --opprint put if(NR==2){$x=777}elif(NR==4){$x=888}else{$x=0} ./reg_test/input/abixy
|
|
a b i x y
|
|
pan pan 1 0 0.7268028627434533
|
|
eks pan 2 777 0.5221511083334797
|
|
wye wye 3 0 0.33831852551664776
|
|
eks wye 4 888 0.13418874328430463
|
|
wye pan 5 0 0.8636244699032729
|
|
zee pan 6 0 0.49322128674835697
|
|
eks zee 7 0 0.1878849191181694
|
|
zee wye 8 0 0.976181385699006
|
|
hat wye 9 0 0.7495507603507059
|
|
pan wye 10 0 0.9526183602969864
|
|
|
|
mlr --opprint put if(NR==2){$x=777}elif(NR==4){$x=888}elif(NR==6){$x=999}else{$x=0} ./reg_test/input/abixy
|
|
a b i x y
|
|
pan pan 1 0 0.7268028627434533
|
|
eks pan 2 777 0.5221511083334797
|
|
wye wye 3 0 0.33831852551664776
|
|
eks wye 4 888 0.13418874328430463
|
|
wye pan 5 0 0.8636244699032729
|
|
zee pan 6 999 0.49322128674835697
|
|
eks zee 7 0 0.1878849191181694
|
|
zee wye 8 0 0.976181385699006
|
|
hat wye 9 0 0.7495507603507059
|
|
pan wye 10 0 0.9526183602969864
|
|
|