1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/*
\funcref{fun\_frame}{void fun\_frame ()}
{}
{}
{push(), newvar(), getopcode()}
{fun\_ret()}
{funframe.c}
{
This function is executed when an {\em op\_frame} opcode is
encountered. Following this opcode, the number of local variables is
expected. When room for local variables should be made, a series of
variable types is expected.
The function imitates the assembler opcodes {\em push bp; mov bp, sp}
by pushing an {\em e\_int} variable with the value of {\em bp} as {\em
vu.intval} field. If local variables should be created, then {\em
newvar()} is called to create a variable (the variable type is read
from the binary makefile) and {\em push()} is called to make room for
the variable.
}
*/
#include "opcodefun.ih"
void fun_frame()
{
size_t nlocals = getopcode(infile);
size_t idx;
for (idx = 0; idx < nlocals; ++idx)
{
VAR_ var = constructor((E_TYPE_)getopcode(infile));
push(&var);
destructor(&var);
}
}
|
