============================================
Assigment expression
============================================

x = 10;
y = 11.0;
z = "what";
w = z;

---

(source_file
  (assignment_expression
    left: (identifier)
    right: (integer_literal))
  (assignment_expression
    left: (identifier)
    right: (float_literal))
  (assignment_expression
    left: (identifier)
    right: (string_literal))
  (assignment_expression
    left: (identifier)
    right: (identifier)))

============================================
Compound Assigment expression
============================================

x += 1;
y -= 11.1;
z *= w;
a /= 7;
b %= 2;
c &= 0b001100;
d |= 0xABABAB;
e ^= 0o777;
f <<= 1;
g >>= 2;
h +%= x;
i -%= 1;
j *%= 2;

---

(source_file
  (compound_assignment_expr
    left: (identifier)
    operator: (assignment_operator)
    right: (integer_literal))
  (compound_assignment_expr
    left: (identifier)
    operator: (assignment_operator)
    right: (float_literal))
  (compound_assignment_expr
    left: (identifier)
    operator: (assignment_operator)
    right: (identifier))
  (compound_assignment_expr
    left: (identifier)
    operator: (assignment_operator)
    right: (integer_literal))
  (compound_assignment_expr
    left: (identifier)
    operator: (assignment_operator)
    right: (integer_literal))
  (compound_assignment_expr
    left: (identifier)
    operator: (assignment_operator)
    right: (integer_literal))
  (compound_assignment_expr
    left: (identifier)
    operator: (assignment_operator)
    right: (integer_literal))
  (compound_assignment_expr
    left: (identifier)
    operator: (assignment_operator)
    right: (integer_literal))
  (compound_assignment_expr
    left: (identifier)
    operator: (assignment_operator)
    right: (integer_literal))
  (compound_assignment_expr
    left: (identifier)
    operator: (assignment_operator)
    right: (integer_literal))
  (compound_assignment_expr
    left: (identifier)
    operator: (assignment_operator)
    right: (identifier))
  (compound_assignment_expr
    left: (identifier)
    operator: (assignment_operator)
    right: (integer_literal))
  (compound_assignment_expr
    left: (identifier)
    operator: (assignment_operator)
    right: (integer_literal)))

============================================
Unary expression
============================================

!x;
~true;
-%10;
-11.9;

---

(source_file
  (unary_expression
    operator: (unary_operator)
    expression: (identifier))
  (unary_expression
    operator: (unary_operator)
    expression: (boolean_literal))
  (unary_expression
    operator: (unary_operator)
    expression: (integer_literal))
  (unary_expression
    operator: (unary_operator)
    expression: (float_literal)))

============================================
Binary expression
============================================

1 + 2;
x +% 10;
11.1 - 0.1;
y -% z;
2 * n;
2 *% m;
x / t;
10 % 2;
1 << 2;
3 >> 4;
true & false;
false | true;
right ^ left;
error1 || error2;
a orelse b;
x and y;
boy or girl;
vec1 ++ vec2;
vec1 ** vec3;

a == b;
10 != 11;
1.0 < 2.0;
x <= 1;
10 > y;
x >= 2;

---

(source_file
  (binary_expression
    left: (integer_literal)
    operator: (binary_operator)
    right: (integer_literal))
  (binary_expression
    left: (identifier)
    operator: (binary_operator)
    right: (integer_literal))
  (binary_expression
    left: (float_literal)
    operator: (binary_operator)
    right: (float_literal))
  (binary_expression
    left: (identifier)
    operator: (binary_operator)
    right: (identifier))
  (binary_expression
    left: (integer_literal)
    operator: (binary_operator)
    right: (identifier))
  (binary_expression
    left: (integer_literal)
    operator: (binary_operator)
    right: (identifier))
  (binary_expression
    left: (identifier)
    operator: (binary_operator)
    right: (identifier))
  (binary_expression
    left: (integer_literal)
    operator: (binary_operator)
    right: (integer_literal))
  (binary_expression
    left: (integer_literal)
    operator: (binary_operator)
    right: (integer_literal))
  (binary_expression
    left: (integer_literal)
    operator: (binary_operator)
    right: (integer_literal))
  (binary_expression
    left: (boolean_literal)
    operator: (binary_operator)
    right: (boolean_literal))
  (binary_expression
    left: (boolean_literal)
    operator: (binary_operator)
    right: (boolean_literal))
  (binary_expression
    left: (identifier)
    operator: (binary_operator)
    right: (identifier))
  (binary_expression
    left: (identifier)
    operator: (binary_operator)
    right: (identifier))
  (binary_expression
    left: (identifier)
    operator: (binary_operator)
    right: (identifier))
  (binary_expression
    left: (identifier)
    operator: (binary_operator)
    right: (identifier))
  (binary_expression
    left: (identifier)
    operator: (binary_operator)
    right: (identifier))
  (binary_expression
    left: (identifier)
    operator: (binary_operator)
    right: (identifier))
  (binary_expression
    left: (identifier)
    operator: (binary_operator)
    right: (identifier))
  (binary_expression
    left: (identifier)
    operator: (binary_operator)
    right: (identifier))
  (binary_expression
    left: (integer_literal)
    operator: (binary_operator)
    right: (integer_literal))
  (binary_expression
    left: (float_literal)
    operator: (binary_operator)
    right: (float_literal))
  (binary_expression
    left: (identifier)
    operator: (binary_operator)
    right: (integer_literal))
  (binary_expression
    left: (integer_literal)
    operator: (binary_operator)
    right: (identifier))
  (binary_expression
    left: (identifier)
    operator: (binary_operator)
    right: (integer_literal)))


============================================
Complex unary/binary expression
============================================

a == b and a > 10;
!a and b;
!a and b > 10;

---

(source_file
  (binary_expression
    left: (binary_expression
      left: (identifier)
      operator: (binary_operator)
      right: (identifier))
    operator: (binary_operator)
    right: (binary_expression
      left: (identifier)
      operator: (binary_operator)
      right: (integer_literal)))
  (binary_expression
    left: (unary_expression
      operator: (unary_operator)
      expression: (identifier))
    operator: (binary_operator)
    right: (identifier))
  (binary_expression
    left: (unary_expression
      operator: (unary_operator)
      expression: (identifier))
    operator: (binary_operator)
    right: (binary_expression
      left: (identifier)
      operator: (binary_operator)
      right: (integer_literal))))

============================================
Type expression
============================================

usize;
f64;

?i32;
?Point;

[]u8;
[_]u8;
[4]u8;
[*]u8;
[]align(16) u8;

*i32;
*allowzero i32;
*volatile i32;
*const Point;
*align(16) i32;

[]?u32;
?[]u32;
*[]u32;
[]*u32;

?*Point;
*?Point;

anyerror!*u8;
anyerror!u8;
anyerror!?u8;

i7;
u33;

---

(source_file
  (primitive_type)
  (primitive_type)
  (optional_type
    (primitive_type))
  (optional_type
    (type_identifier))
  (array_type
    (primitive_type))
  (array_type
    size: (identifier)
    (primitive_type))
  (array_type
    size: (integer_literal)
    (primitive_type))
  (array_type
    size: (pointer)
    (primitive_type))
  (array_type
    (type_prefix
      (integer_literal))
    (primitive_type))
  (pointer_type
    (primitive_type))
  (pointer_type
    (type_prefix)
    (primitive_type))
  (pointer_type
    (type_prefix)
    (primitive_type))
  (pointer_type
    (type_prefix)
    (type_identifier))
  (pointer_type
    (type_prefix
      (integer_literal))
    (primitive_type))
  (array_type
    (optional_type
      (primitive_type)))
  (optional_type
    (array_type
      (primitive_type)))
  (pointer_type
    (array_type
      (primitive_type)))
  (array_type
    (pointer_type
      (primitive_type)))
  (optional_type
    (pointer_type
      (type_identifier)))
  (pointer_type
    (optional_type
      (type_identifier)))
  (error_type
    err: (primitive_type)
    ok: (pointer_type
      (primitive_type)))
  (error_type
    err: (primitive_type)
    ok: (primitive_type))
  (error_type
    err: (primitive_type)
    ok: (optional_type
      (primitive_type)))
  (custom_number_type)
  (custom_number_type))

============================================
Call expressions (both build in and normal)
============================================

@buildin();
@ptrToInt(ptr);

call();
double(x);

assert(@typeOf(ptr) == [*]i32);

std.debug.warn("Hello");

async afunc();
async afunc(a, b);

---

(source_file
  (build_in_call_expr
    function: (identifier)
    arguments: (arguments))
  (build_in_call_expr
    function: (identifier)
    arguments: (arguments
      (identifier)))
  (call_expression
    function: (identifier)
    arguments: (arguments))
  (call_expression
    function: (identifier)
    arguments: (arguments
      (identifier)))
  (call_expression
    function: (identifier)
    arguments: (arguments
      (binary_expression
        left: (build_in_call_expr
          function: (identifier)
          arguments: (arguments
            (identifier)))
        operator: (binary_operator)
        right: (array_type
          size: (pointer)
          (primitive_type)))))
  (field_expression
    value: (field_expression
      value: (identifier)
      field: (field_identifier))
    field: (call_expression
      function: (identifier)
      arguments: (arguments
        (string_literal))))
  (call_expression
    (call_modifier)
    function: (identifier)
    arguments: (arguments))
  (call_expression
    (call_modifier)
    function: (identifier)
    arguments: (arguments
      (identifier)
      (identifier))))

============================================
Await expression
============================================

await ptr;
await async call();

---

(source_file
  (await_expression
    (identifier))
  (await_expression
    (call_expression
      (call_modifier)
      function: (identifier)
      arguments: (arguments))))

============================================
Suspend/Resume expression
============================================

suspend;
suspend p;

resume;
resume p;

suspend {}
suspend {
    a
}

resume {}
resume {
    a
}

---

(source_file
  (suspend_expression)
  (suspend_expression
    (identifier))
  (resume_expression)
  (resume_expression
    (identifier))
  (suspend_block
    (block))
  (suspend_block
    (block
      (identifier)))
  (resume_block
    (block))
  (resume_block
    (block
      (identifier))))

============================================
Reference and deference expression
============================================

&a;

a.*;

---

(source_file
  (reference_expression
    value: (identifier))
  (dereference_expression
    value: (identifier)))

============================================
If expression
============================================

if (true) {}

if (true) {} else {}

if (a > b) {} else if (a == b) {} else {}

if (a) |value| {}
if (a) |*value| {}

if (a) |value, i| {}
if (a) |*value, i| {}

if (a) |value| {} else {}
if (a) |*value| {} else {}

if (a) |value| {} else |err| {}
if (a) |*value| {} else |err| {}

if (a != b) 47 else 3089

if (true)
    a
else
    b


---

(source_file
  (if_expression
    condition: (boolean_literal)
    consequence: (block))
  (if_expression
    condition: (boolean_literal)
    consequence: (block)
    alternative: (block))
  (if_expression
    condition: (binary_expression
      left: (identifier)
      operator: (binary_operator)
      right: (identifier))
    consequence: (block)
    alternative: (if_expression
      condition: (binary_expression
        left: (identifier)
        operator: (binary_operator)
        right: (identifier))
      consequence: (block)
      alternative: (block)))
  (if_expression
    condition: (identifier)
    consequence: (payload_expression
      (payload
        values: (payload_identifier))
      (block)))
  (if_expression
    condition: (identifier)
    consequence: (payload_expression
      (payload
        values: (payload_identifier))
      (block)))
  (if_expression
    condition: (identifier)
    consequence: (payload_expression
      (payload
        values: (payload_identifier)
        values: (payload_identifier))
      (block)))
  (if_expression
    condition: (identifier)
    consequence: (payload_expression
      (payload
        values: (payload_identifier)
        values: (payload_identifier))
      (block)))
  (if_expression
    condition: (identifier)
    consequence: (payload_expression
      (payload
        values: (payload_identifier))
      (block))
    alternative: (block))
  (if_expression
    condition: (identifier)
    consequence: (payload_expression
      (payload
        values: (payload_identifier))
      (block))
    alternative: (block))
  (if_expression
    condition: (identifier)
    consequence: (payload_expression
      (payload
        values: (payload_identifier))
      (block))
    alternative: (payload_expression
      (payload
        values: (payload_identifier))
      (block)))
  (if_expression
    condition: (identifier)
    consequence: (payload_expression
      (payload
        values: (payload_identifier))
      (block))
    alternative: (payload_expression
      (payload
        values: (payload_identifier))
      (block)))
  (if_expression
    condition: (binary_expression
      left: (identifier)
      operator: (binary_operator)
      right: (identifier))
    consequence: (integer_literal)
    alternative: (integer_literal))
  (if_expression
    condition: (boolean_literal)
    consequence: (identifier)
    alternative: (identifier)))

============================================
While expression
============================================

while (a) {}

outer: while (a) {}

inline while (a) {}

while (a) |value| {}

while (a < b) : (a += 1) {}

while (a) {} else {}

while (a) {} else |err| {}

---

(source_file
  (while_expression
    condition: (identifier)
    body: (block))
  (while_expression
    (loop_label
      name: (label_identifier))
    condition: (identifier)
    body: (block))
  (while_expression
    (loop_modifier)
    condition: (identifier)
    body: (block))
  (while_expression
    condition: (identifier)
    (payload
      values: (payload_identifier))
    body: (block))
  (while_expression
    condition: (binary_expression
      left: (identifier)
      operator: (binary_operator)
      right: (identifier))
    continue: (compound_assignment_expr
      left: (identifier)
      operator: (assignment_operator)
      right: (integer_literal))
    body: (block))
  (while_expression
    condition: (identifier)
    body: (block)
    alternative: (block))
  (while_expression
    condition: (identifier)
    body: (block)
    alternative: (payload_expression
      (payload
        values: (payload_identifier))
      (block))))

============================================
For expression
============================================

for (xs) |value| {}
inline for (xs) |value| {}
label: for (xs) |value| {}
label: inline for (xs) |value| {}

for (xs) |value| {} else blk: {}

---

(source_file
  (for_expression
    condition: (identifier)
    (payload
      values: (payload_identifier))
    body: (block))
  (for_expression
    (loop_modifier)
    condition: (identifier)
    (payload
      values: (payload_identifier))
    body: (block))
  (for_expression
    (loop_label
      name: (label_identifier))
    condition: (identifier)
    (payload
      values: (payload_identifier))
    body: (block))
  (for_expression
    (loop_label
      name: (label_identifier))
    (loop_modifier)
    condition: (identifier)
    (payload
      values: (payload_identifier))
    body: (block))
  (for_expression
    condition: (identifier)
    (payload
      values: (payload_identifier))
    body: (block)
    alternative: (block
      label: (loop_label
        name: (label_identifier)))))

============================================
Continue and Break expression
============================================

continue;
continue :blk;

break;
break 10;
break val;
break :blk;
break :blk 1.1;
break :blk "wut";

---

(source_file
  (continue_expression)
  (continue_expression
    label: (loop_label_inverse
      name: (label_identifier)))
  (break_expression)
  (break_expression
    value: (integer_literal))
  (break_expression
    value: (identifier))
  (break_expression
    label: (loop_label_inverse
      name: (label_identifier)))
  (break_expression
    label: (loop_label_inverse
      name: (label_identifier))
    value: (float_literal))
  (break_expression
    label: (loop_label_inverse
      name: (label_identifier))
    value: (string_literal)))

============================================
Return expression
============================================

return;

return 125;

---

(source_file
  (return_expression)
  (return_expression
    (integer_literal)))

============================================
Comptime Block expression
============================================

comptime {}

comptime {
  var x = 10;
}

comptime {
  var x = 10;
  x
}

---

(source_file
  (comptime_block
    (block))
  (comptime_block
    (block
      (assignment_statement
        name: (identifier)
        expression: (integer_literal))))
  (comptime_block
    (block
      (assignment_statement
        name: (identifier)
        expression: (integer_literal))
      (identifier))))

============================================
Array expression
============================================

[_]u8{};

[4]u32{1, 2, 3, 4};

[_][_]u64{
    [_]u64{1, 2, 3, 4},
    [_]u64{5, 6, 7, 8},
};

---

(source_file
  (array_expression
    size: (identifier)
    type: (primitive_type)
    values: (array_values))
  (array_expression
    size: (integer_literal)
    type: (primitive_type)
    values: (array_values
      (integer_literal)
      (integer_literal)
      (integer_literal)
      (integer_literal)))
  (array_expression
    size: (identifier)
    size: (identifier)
    type: (primitive_type)
    values: (array_values
      (array_expression
        size: (identifier)
        type: (primitive_type)
        values: (array_values
          (integer_literal)
          (integer_literal)
          (integer_literal)
          (integer_literal)))
      (array_expression
        size: (identifier)
        type: (primitive_type)
        values: (array_values
          (integer_literal)
          (integer_literal)
          (integer_literal)
          (integer_literal))))))

============================================
Anonymous Array expression
============================================

.{};

.{1, 2, 3, 4};

.{
    .{1, 2, 3, 4},
    .{5, 6, 7, 8},
};

---

(source_file
  (anonymous_array_expr)
  (anonymous_array_expr
    values: (array_values
      (integer_literal))
    values: (array_values
      (integer_literal)
      (integer_literal)
      (integer_literal)))
  (anonymous_array_expr
    values: (array_values
      (anonymous_array_expr
        values: (array_values
          (integer_literal))
        values: (array_values
          (integer_literal)
          (integer_literal)
          (integer_literal))))
    values: (array_values
      (anonymous_array_expr
        values: (array_values
          (integer_literal))
        values: (array_values
          (integer_literal)
          (integer_literal)
          (integer_literal))))
    values: (array_values)))

============================================
Index expression
============================================

a[10];
b[a];

[_]u8{1, 2, 3}[1];

.{1, 2, 3}[x];

---

(source_file
  (index_expression
    (identifier)
    (integer_literal))
  (index_expression
    (identifier)
    (identifier))
  (index_expression
    (array_expression
      size: (identifier)
      type: (primitive_type)
      values: (array_values
        (integer_literal)
        (integer_literal)
        (integer_literal)))
    (integer_literal))
  (index_expression
    (anonymous_array_expr
      values: (array_values
        (integer_literal))
      values: (array_values
        (integer_literal)
        (integer_literal)))
    (identifier)))

============================================
Slice pattern expression
============================================

a[s..end];
b[..];
c[s..];
d[..end];

---

(source_file
  (index_expression
    (identifier)
    (slice_pattern
      start: (identifier)
      end: (identifier)))
  (index_expression
    (identifier)
    (slice_pattern))
  (index_expression
    (identifier)
    (slice_pattern
      start: (identifier)))
  (index_expression
    (identifier)
    (slice_pattern
      end: (identifier))))

============================================
Field expression
============================================

a.b;

find_pair().myfield;

---

(source_file
  (field_expression
    value: (identifier)
    field: (field_identifier))
  (field_expression
    value: (call_expression
      function: (identifier)
      arguments: (arguments))
    field: (field_identifier)))

============================================
Struct expression
============================================

struct { x: u8, y: u8 = 10, pub z: u8 };

struct {
    fn name() {}
};

struct {
    x: u8,

    pub fn init() {}
};

---

(source_file
  (struct_expression
    field: (field_declaration
      name: (field_identifier)
      type: (primitive_type))
    field: (field_declaration
      name: (field_identifier)
      type: (primitive_type)
      default: (integer_literal))
    field: (field_declaration
      (visibility_modifier)
      name: (field_identifier)
      type: (primitive_type)))
  (struct_expression
    (function_declaration
      name: (identifier)
      parameters: (parameters)
      body: (block)))
  (struct_expression
    field: (field_declaration
      name: (field_identifier)
      type: (primitive_type))
    (function_declaration
      (visibility_modifier)
      name: (identifier)
      parameters: (parameters)
      body: (block))))

============================================
Struct construction expression
============================================

MyType {
    .x = 10,
    .y = 20,
};

---

(source_file
  (struct_construction
    (type_identifier)
    field: (field_init
      name: (field_identifier)
      value: (integer_literal))
    field: (field_init
      name: (field_identifier)
      value: (integer_literal))))

============================================
Anonymous Struct/Enum expression
============================================

.{ .x = 10 };
.{
  .x = 10,
  .y = .Var,
};

---

(source_file
  (anonymous_struct_enum
    field: (field_init
      name: (field_identifier)
      value: (integer_literal)))
  (anonymous_struct_enum
    field: (field_init
      name: (field_identifier)
      value: (integer_literal))
    field: (field_init
      name: (field_identifier)
      value: (enum_literal
        variant: (enum_identifier)))))

============================================
Enum expression
============================================

enum {};

enum { Ok, Err };

enum (u2) { Zero, One, Two };

enum { Zero = 0, One = 1};

---

(source_file
  (enum_expression)
  (enum_expression
    variant: (variant_declaration
      name: (enum_identifier))
    variant: (variant_declaration
      name: (enum_identifier)))
  (enum_expression
    type: (custom_number_type)
    variant: (variant_declaration
      name: (enum_identifier))
    variant: (variant_declaration
      name: (enum_identifier))
    variant: (variant_declaration
      name: (enum_identifier)))
  (enum_expression
    variant: (variant_declaration
      name: (enum_identifier)
      default: (integer_literal))
    variant: (variant_declaration
      name: (enum_identifier)
      default: (integer_literal))))

============================================
Union expression
============================================

union {};
union { Abc: u8 };
union { Abc: u8, Def: Point, None};

union (enum) {};
union (MyEnum) {
    Var1: u8,
    Var2: u16,
    Error,
};

union {
    Var: u8,

    fn myfunc() {}
};

---

(source_file
  (union_expression)
  (union_expression
    field_variant: (union_field_variant
      name: (union_identifier)
      type: (primitive_type)))
  (union_expression
    field_variant: (union_field_variant
      name: (union_identifier)
      type: (primitive_type))
    field_variant: (union_field_variant
      name: (union_identifier)
      type: (type_identifier))
    field_variant: (union_field_variant
      name: (union_identifier)))
  (union_expression
    type: (inference_type))
  (union_expression
    type: (type_identifier)
    field_variant: (union_field_variant
      name: (union_identifier)
      type: (primitive_type))
    field_variant: (union_field_variant
      name: (union_identifier)
      type: (primitive_type))
    field_variant: (union_field_variant
      name: (union_identifier)))
  (union_expression
    field_variant: (union_field_variant
      name: (union_identifier)
      type: (primitive_type))
    (function_declaration
      name: (identifier)
      parameters: (parameters)
      body: (block))))

============================================
Switch expression
============================================

switch (a) {
    1 => 1,
    2, 3 => 3,
    4...7 => 4,
    else => 5,
};

switch (a) {
    Var.A => 1,
    Var.B => 2,
};

---

(source_file
  (switch_expression
    value: (identifier)
    body: (switch_block
      (switch_arm
        pattern: (switch_pattern
          (literal_pattern
            (integer_literal)))
        value: (integer_literal))
      (switch_arm
        pattern: (switch_pattern
          (literal_pattern
            (integer_literal))
          (literal_pattern
            (integer_literal)))
        value: (integer_literal))
      (switch_arm
        pattern: (switch_pattern
          (slice_pattern
            start: (float_literal)
            end: (integer_literal)))
        value: (integer_literal))
      (switch_last_arm
        pattern: (else_switch)
        value: (integer_literal))))
  (switch_expression
    value: (identifier)
    body: (switch_block
      (switch_arm
        pattern: (switch_pattern
          (field_pattern
            value: (identifier)
            field: (field_identifier)))
        value: (integer_literal))
      (switch_last_arm
        pattern: (switch_pattern
          (field_pattern
            value: (identifier)
            field: (field_identifier)))
        value: (integer_literal)))))

============================================
Error expression
============================================

error {
    Error1,
    Error2,
};

error.Error;

---

(source_file
  (error_expression
    error_variant: (error_identifier)
    error_variant: (error_identifier))
  (error_expression
    error_variant: (error_identifier)))

============================================
Test expression
============================================

test "mytest" {}

test "assignment" {
    foo();
}

---

(source_file
  (test_expression
    test_name: (string_literal)
    body: (block))
  (test_expression
    test_name: (string_literal)
    body: (block
      (call_expression
        function: (identifier)
        arguments: (arguments)))))

============================================
Usingnamespace expression
============================================

usingnamespace std;

pub usingnamespace @cImport({
    @cInclude("epoxy/gl.h");
    @cInclude("GLFW/glfw3.h");
    @cDefine("STBI_ONLY_PNG", "");
    @cDefine("STBI_NO_STDIO", "");
    @cInclude("stb_image.h");
});

---

(source_file
  (usingnamespace_expression
    import: (identifier))
  (usingnamespace_expression
    (visibility_modifier)
    import: (build_in_call_expr
      function: (identifier)
      arguments: (arguments
        (block
          (build_in_call_expr
            function: (identifier)
            arguments: (arguments
              (string_literal)))
          (build_in_call_expr
            function: (identifier)
            arguments: (arguments
              (string_literal)))
          (build_in_call_expr
            function: (identifier)
            arguments: (arguments
              (string_literal)
              (string_literal)))
          (build_in_call_expr
            function: (identifier)
            arguments: (arguments
              (string_literal)
              (string_literal)))
          (build_in_call_expr
            function: (identifier)
            arguments: (arguments
              (string_literal))))))))