命名為LuckyScript,有點(diǎn)古怪的名字，為什么這么叫呢？因?yàn)檫^去的兩年時(shí)間里我一直都覺得自己不太順，今年是本人的本命年，圖個(gè)吉利，希望所有事情都會好起來．．有多少跟我一樣唯心主義的程序員？
打算讓這門無類型的語言最低限度地支持面向?qū)ο螅鸫a能構(gòu)造類跟重載函數(shù)吧，其他沒想好，寫著玩，最近還是挺閑的．這幾天把匯編器跟虛擬機(jī)搞了出來．
測試用的匯編腳本，比較長
1
Func square
2
{
3
Param a;
4
5 Var c;
6
7 Mov c,1;
8 Mul c,a;
9 Mul c,a;
10
11 Ret c;
12
}
13Func addSquare
14{
15 Param a;
16 Param b;
17
18 Push a;
19 Call square;
20 Mov a,RetVal;
21 Push b;
22 Call square;
23 Mov b,RetVal;
24
25 Var c;
26 Mov c,0;
27 Add c,a;
28 Add c,b;
29
30 Ret c;
31}
32
33Func sum
34{
35 Param from;
36 Param to;
37
38 Var i;
39 Var s;
40
41 Mov s,0;
42 Mov i,from;
43
44Lab : next
45 Add s,i;
46 Inc i;
47 Jle i,to,next;
48
49 Ret s;
50}
51
52Func Main
53{
54 Var a;
55 Var b;
56 Var c;
57
58 Mov a,2;
59 Mov b,3;
60
61 Push "Runtime info:";
62 CallHost print;
63 CallHost newLine;
64 Push "call addSquare function";
65 CallHost print;
66 CallHost newLine;
67 Push "Param: ";
68 CallHost print;
69 Push a;
70 CallHost print;
71 Push b;
72 CallHost print;
73 CallHost newLine;
74
75 Push a;
76 Push b;
77 Call addSquare;
78
79 Mov c,RetVal;
80
81 Push "addSquare function return: ";
82 CallHost print;
83 Push c;
84 CallHost print;
85 CallHost newLine;
86
87 Push "call sum function";
88 CallHost print;
89 CallHost newLine;
90 Push "Param: ";
91 CallHost print;
92 Push a;
93 CallHost print;
94 Push c;
95 CallHost print;
96 CallHost newLine;
97
98 Push a;
99 Push c;
100 Call sum;
101
102 Mov c,RetVal;
103
104 Push "sum function return: ";
105 CallHost print;
106 Push c;
107 CallHost print;
108}
主程序：
1#include "stdafx.h"
2#include "luckyscript.h"
3
4using namespace LUCKY_SCRIPT;
5
6void print(RuntimeState* state)
7{
8 int opType = lucky_getValType(state,-1);
9
10 if(opType == OP_FLAG_TYPE_INT)
11
{
12 int val = lucky_popValueAsInt(state);
13 printf("%d ",val);
14
}
15 else if(opType == OP_FLAG_TYPE_FLOAT)
16 {
17 float val = lucky_popValueAsFloat(state);
18 printf("%f ",val);
19 }
20 else if(opType == OP_FLAG_TYPE_STRING)
21 {
22 const char* val = lucky_popValueAsString(state);
23 printf(val);
24 }
25}
26
27void newLine(RuntimeState* state)
28{
29 printf("\n");
30}
31
32int _tmain(int argc, _TCHAR* argv[])
33{
34 lucky_initScript();
35 lucky_compileAsmFile("test.lsm","test","");
36
37 RuntimeState* state = lucky_loadlxeFile("test.lxe");
38 lucky_registerHostFunc(state,print,"print");
39 lucky_registerHostFunc(state,newLine,"newLine");
40 lucky_execute(state);
41
42 getch();
43 return 0;
44}
運(yùn)行結(jié)果：
posted on 2009-02-24 17:25
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