簡易編譯器

專案 – https://github.com/ccccourse/sp/tree/master/code/c/02-compiler/04-compiler-ir

執行

guest@localhost:~/sp/ccc/sp/code/c/02-compiler/03-compiler$ ./compiler test/sum.c

s=0;
i=1;
while (i < 11) {
  s = s + i;
  i = i + 1;
}


========== lex ==============
token=s
token==
token=0
token=;
token=i
token==
token=1
token=;
token=while
token=(
token=i
token=<
token=11
token=)
token={
token=s
token==
token=s
token=+
token=i
token=;
token=i
token==
token=i
token=+
token=1
token=;
token=}
========== dump ==============
0:s
1:=
2:0
3:;
4:i
5:=
6:1
7:;
8:while
9:(
10:i
11:<
12:11
13:)
14:{
15:s
16:=
17:s
18:+
19:i
20:;
21:i
22:=
23:i
24:+
25:1
26:;
27:}
============ parse =============
t0 = 0
s = t0
t1 = 1
i = t1
(L0)
t2 = i
t3 = 11
t4 = t2 < t3
if not T4 goto L1
t5 = s
t6 = i
t7 = t5 + t6
s = t7
t8 = i
t9 = 1
t10 = t8 + t9
i = t10
goto L0
(L1)