floraachy/Nasal-Interpreter
1
0
Fork 0
forked from xxq250/Nasal-Interpreter
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

update

Browse Source
This commit is contained in:
Valk Richard Li
2020-02-17 17:16:36 +08:00
committed by GitHub
parent e9e5e1a3fc
commit 4220e5bc5d
4 changed files with 397 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files
version2.0/nasal_ast.h
+341 -1
View File
@@ -220,4 +220,344 @@ void abstract_syntax_tree::merge_children(abstract_syntax_tree& tmp)
return;
}
#endif
#endif
/*
examples of each type of sub-tree
ast begins in root node:
root
statement_1
statement_2
...
source code:
0xdeadbeef;
'str';
"str";
ast:
root
num: 3.73593e+009
str: str
str: str
source code:
1+2*(1-3)/4~'str';
ast:
root
~
+
num: 1
/
*
num: 2
-
num: 1
num: 3
num:4
str: str
source code:
var id=1;
ast:
root
definition
id: id
num: 1
source code:
var (id1,id2,id3)=(1,2,3);
(var id1,id2,id3)=(1,2,3);
ast:
root
definition
identifiers
id: id1
id: id2
id: id3
scalars
num: 1
num: 2
num: 3
source code:
var (id1,id2,id3)=[1,2,3];
(var id1,id2,id3)=[1,2,3];
ast:
root
definition
identifiers
id: id1
id: id2
id: id3
vector
num: 1
num: 2
num: 3
source code:
(id1,id2,id3)=(1,2,3);
ast:
root
=
scalars
id: id1
id: id2
id: id3
scalars
num: 1
num: 2
num: 3
source code:
(id1[0],id2,id3)=[1,2,3];
ast:
root
=
scalars
id: id1
call_vector
num: 0
id: id2
id: id3
vector
num: 1
num: 2
num: 3
source code:
id.call_hs(call_f)[call_vec][subvec1:subvec2,subvec3];
ast:
root
id: id
call_hash: call_hs
call_function
id: call_f
call_vector
id: call_vec
call_vector
sub_vector
id: subvec1
id: subvec2
id: subvec3
source code:
id.id.id.id.id.id.id.id;
ast:
root
id: id
call_hash: id
call_hash: id
call_hash: id
call_hash: id
call_hash: id
call_hash: id
call_hash: id
source code:
function(a,b,c,d,e);
function(func a);
function(func a());
ast:
root
id: function
call_function
id: a
id: b
id: c
id: d
id: e
id: function
call_function
id: a
id: function
call_function
id: a
call_function
source code:
function(
a,
b,
func{print("hello");}
);
ast:
id: function
call_function
id: a
id: b
function
parameters
block
id: print
call_function
str: hello
source code:
function(a:1,b:2,c:3,);
ast:
root
id: function
call_function
special_parameter
id: a
num: 1
special_parameter
id: b
num: 2
special_parameter
id: c
num: 3
source code:
while(id)
{
fun();
var a=1;
var b=2;
}
ast:
root
while
id: id
block
id: func
call_function
definition
id: 1
num: 1
definition
id: b
num: 2
source code:
for(;;){}
ast:
root
for
null_type
null_type
null_type
block
source code:
for(var i=1;i<100;i+=1){}
ast:
root
for
definition
id: i
num: 1
<
id: i
num: 100
+=
id: i
num: 1
block
source code:
foreach(var i;[0,1,2]){}
forindex(var i;[0,1,2]){}
ast:
root
foreach
id: i
vector
num: 0
num: 1
num: 2
block
forindex
id: i
vector
num: 0
num: 1
num: 2
block
source code:
if(condition_1)
{
}
else if(condition_2)
{
}
else
{
}
ast:
root
conditional
if
id: condition_1
block
else
block
if
id: condition_2
block
else
block
source code:
if(condition_1)
{
}
elsif(condition_2)
{
}
elsif(condition_3)
{
}
ast:
root
conditional
if
id: condition_1
block
elsif
id: condition_2
block
elsif
id: condition_3
block
source code:
var function=func{};
ast:
root
definition
id: function
function
parameters
block
source code:
var function=func(x,y,dyn...){};
ast:
root
definition
id: function
function
parameters
id: x
id: y
id...: dyn
block
source code:
var function=func(x=2,y=1){};
ast:
root
definition
id: function
function
parameters
default_parameter
id: x
num: 2
default_parameter
id: y
num: 1
block
*/