cast.c File Reference

Implements the OP_CAST opcode for converting a value to a target type. More...

Go to the source code of this file.

Functions
	if (tn)
	if (!tn)
else	if (strcmp(target, "number")==0)
else	if (strcmp(target, "string")==0)
else	if (strcmp(target, "array")==0)
else	if (strcmp(target, "map")==0)
else	if (strcmp(target, "nil")==0)
else	if (strcmp(target, "function")==0)
else	if (strcmp(target, "boolean")==0)
	free_value (t)
	free_value (v)
	push_value (vm, out)

Variables
case	OP_CAST
Value	v = pop_value(vm)
const char *	tn = (t.type == VAL_STRING && t.s) ? t.s : NULL
Value	out = make_nil()
char	target [32] = '\0'
int	k = 0
	else
	break

Detailed Description

Implements the OP_CAST opcode for converting a value to a target type.

Stack contract:

• Pops: typeName (String), value (any)
• Pushes: converted value (or Nil on unsupported target)

Definition in file cast.c.

Function Documentation

free_value() [1/2]

free_value

(

t

)

free_value() [2/2]

free_value

(

v

)

if() [1/9]

if

(

!

tn

)

Definition at line 40 of file cast.c.

Here is the call graph for this function:

if() [2/9]

else if

(

strcmp(target, "array")

= = 0

)

Definition at line 65 of file cast.c.

if() [3/9]

else if

(

strcmp(target, "boolean")

= = 0

)

Definition at line 83 of file cast.c.

if() [4/9]

else if

(

strcmp(target, "function")

= = 0

)

Definition at line 81 of file cast.c.

if() [5/9]

else if

(

strcmp(target, "map")

= = 0

)

Definition at line 73 of file cast.c.

if() [6/9]

else if

(

strcmp(target, "nil")

= = 0

)

Definition at line 79 of file cast.c.

if() [7/9]

else if

(

strcmp(target, "number")

= = 0

)

Definition at line 42 of file cast.c.

if() [8/9]

else if

(

strcmp(target, "string")

= = 0

)

Definition at line 61 of file cast.c.

if() [9/9]

if

(

tn

)

Definition at line 30 of file cast.c.

push_value()

push_value	(	vm	,
		out	)

Variable Documentation

break

break

Definition at line 92 of file cast.c.

else

else

Initial value:

{
out = make_nil()

Definition at line 85 of file cast.c.

k

int k = 0

Definition at line 29 of file cast.c.

OP_CAST

case OP_CAST

Definition at line 19 of file cast.c.

out

Value out = make_nil()

Definition at line 25 of file cast.c.

target

target[k] = '\0'

Definition at line 28 of file cast.c.

tn

const char* tn = (t.type == VAL_STRING && t.s) ? t.s : NULL

Definition at line 24 of file cast.c.

v

Value v = pop_value(vm)

Definition at line 22 of file cast.c.