前面介紹了分析腳本類的聲明,下面來仔細(xì)地分析它的實(shí)現(xiàn)代碼,理解它的實(shí)現(xiàn)過程,也就理解了腳本代碼的編譯過程,如下:
返回生成的代碼大小為
0.
#001
?
S32 LLScriptScript::getSize()
#002
?
{
#003
?
??
return 0;
#004
?
}
#005
?
腳本類的構(gòu)造函數(shù),主要進(jìn)行初始化的工作。
#006
?
LLScriptScript::LLScriptScript(LLScritpGlobalStorage *globals,
#007
?
??????????????????????????
???
LLScriptState *states) :
#008
?????
LLScriptFilePosition(0, 0),
#009
?
??
mStates(states), mGlobalScope(NULL), mGlobals(NULL), mGlobalFunctions(NULL), mGodLike(FALSE)
#010
?
{
設(shè)置缺省生成字節(jié)碼的文件名稱。
#011
?
??
const char DEFAULT_BYTECODE_FILENAME[] = "lscript.lso";
#012
?
??
strncpy(mBytecodeDest, DEFAULT_BYTECODE_FILENAME, sizeof(mBytecodeDest) -1);
/*Flawfinder: ignore*/
#013
?
??
mBytecodeDest[MAX_STRING-1] = '/0';
下面開始分析全局變量和全局函數(shù)的保存位置。
#014
?
??
LLScriptGlobalVariable
?
*tvar;
#015
?
??
LLScriptGlobalFunctions
*tfunc;
#016
?
??
LLScritpGlobalStorage *temp;
#017
?
#018
?
??
temp = globals;
#019
?
??
while(temp)
#020
?
??
{
#021
?
??????
if (temp->mbGlobalFunction)
#022
?
??????
{
#023
?
??????????
if (!mGlobalFunctions)
#024
?
??????????
{
#025
?
??????????????
mGlobalFunctions = (LLScriptGlobalFunctions *)temp->mGlobal;
#026
?
??????????
}
#027
?
??????????
else
#028
?
??????????
{
#029
?
??????????????
tfunc = mGlobalFunctions;
#030
?
??????????????
while(tfunc->mNextp)
#031
?
??????????????
{
#032
?
??????????????????
tfunc = tfunc->mNextp;
#033
?
??????????????
}
#034
?
??????????????
tfunc->mNextp = (LLScriptGlobalFunctions *)temp->mGlobal;
#035
?
??????????
}
#036
?
??????
}
#037
?
??????
else
#038
?
??????
{
#039
?
??????????
if (!mGlobals)
#040
?
??????????
{
#041
?
??????????????
mGlobals = (LLScriptGlobalVariable *)temp->mGlobal;
#042
?
??????????
}
#043
?
??????????
else
#044
?
??????????
{
#045
?
??????????????
tvar = mGlobals;
#046
?
??????????????
while(tvar->mNextp)
#047
?
??????????????
{
#048
?
??????????????????
tvar = tvar->mNextp;
#049
?
??????????????
}
#050
?
??????????????
tvar->mNextp = (LLScriptGlobalVariable *)temp->mGlobal;
#051
?
??????????
}
#052
?
??????
}
#053
?
??????
temp = temp->mNextp;
#054
?
??
}
#055
?
}
#056
?
這個函數(shù)主要實(shí)現(xiàn)設(shè)置字節(jié)碼保存的文件名稱。
#057
?
void LLScriptScript::setBytecodeDest(const char* dst_filename)
#058
?
{
#059
?
??
strncpy(mBytecodeDest, dst_filename, MAX_STRING);
?
/*Flawfinder: ignore*/
#060
?
??
mBytecodeDest[MAX_STRING-1] = '/0';
#061
?
}
#062
?
#063
?
void print_cil_globals(FILE* fp, LLScriptGlobalVariable* global)
#064
?
{
#065
?
??
fprintf(fp, ".field private ");
#066
?
??
print_cil_type(fp, global->mType->mType);
#067
?
??
fprintf(fp, " ");
#068
?
??
fprintf(fp, global->mIdentifier->mName);
???????
/*Flawfinder: ignore*/
#069
?
??
fprintf(fp, "/n");
#070
?
??
if(NULL != global->mNextp)
#071
?
??
{
#072
?
??????
print_cil_globals(fp, global->mNextp);
#073
?
??
}
#074
?
}
#075
開始遞歸處理所有腳本樹。
#076
?
void LLScriptScript::recurse(FILE *fp, S32 tabs, S32 tabsize, LSCRIPTCompilePass pass, LSCRIPTPruneType ptype, BOOL &prunearg, LLScriptScope *scope, LSCRIPTType &type,
#077
?
LSCRIPTType basetype, U64 &count, LLScriptByteCodeChunk *chunk, LLScriptByteCodeChunk *heap, S32 stacksize, LLScriptScopeEntry *entry, S32 entrycount, LLScriptLibData **ldata)
#078
?
{
如果分析有出錯,就不再處理。
#079
?
??
if (gErrorToText.getErrors())
#080
?
??
{
#081
?
??????
return;
#082
?
??
}
根據(jù)不同的編譯遍來作不同的樹遍歷處理。
#083
?
??
switch(pass)
#084
?
??
{
輸出合適的說明文字。
#085
?
??
case LSCP_PRETTY_PRINT:
#086
?
??????
if (mGlobals)
#087
?
??????
{
#088
?
??????????
fdotabs(fp, tabs, tabsize);
#089
?
??????????
mGlobals->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry, entrycount,
#090
?
NULL);
#091
?
??????
}
#092
?
#093
?
??????
if (mGlobalFunctions)
#094
?
??????
{
#095
?
??????????
fdotabs(fp, tabs, tabsize);
#096
?
??????????
mGlobalFunctions->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry,
#097
?
entrycount, NULL);
#098
?
??????
}
#099
?
#100
?
??????
fdotabs(fp, tabs, tabsize);
#101
?
??????
mStates->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry, entrycount, NULL);
#102
?
??????
break;
進(jìn)行代碼優(yōu)化,主要刪除不需要的代碼。
#103
?
??
case LSCP_PRUNE:
#104
?
??????
if (mGlobalFunctions)
#105
?
??????
{
#106
?
??????????
mGlobalFunctions->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry,
#107
?
entrycount, NULL);
#108
?
??????
}
#109
?
??????
mStates->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry, entrycount, NULL);
#110
?
??????
break;
全局的作用域檢查。
#111
?
??
case LSCP_SCOPE_PASS1:
#112
?
??????
{
#113
?
??????????
mGlobalScope = new LLScriptScope(gScopeStringTable);
#114
?
??????????
// zeroth, add library functions to global scope
#115
?
??????????
S32 i;
#116
?
??????????
char *arg;
#117
?
??????????
LLScriptScopeEntry *sentry;
#118
?
??????????
for (i = 0; i < gScriptLibrary.mNextNumber; i++)
#119
?
??????????
{
#120
?
??????????????
// First, check to make sure this isn't a god only function, or that the viewer's agent is a god.
#121
?
??????????????
if (!gScriptLibrary.mFunctions[i]->mGodOnly || mGodLike)
#122
?
??????????????
{
#123
?
??????????????????
if (gScriptLibrary.mFunctions[i]->mReturnType)
#124
?
??????????????????????
sentry = mGlobalScope->addEntry(gScriptLibrary.mFunctions[i]->mName,
#125
?
LIT_LIBRARY_FUNCTION, char2type(*gScriptLibrary.mFunctions[i]->mReturnType));
#126
?
??????????????????
else
#127
?
??????????????????????
sentry = mGlobalScope->addEntry(gScriptLibrary.mFunctions[i]->mName,
#128
?
LIT_LIBRARY_FUNCTION, LST_NULL);
#129
?
??????????????????
sentry->mLibraryNumber = i;
#130
?
??????????????????
arg = gScriptLibrary.mFunctions[i]->mArgs;
#131
?
??????????????????
if (arg)
#132
?
??????????????????
{
#133
?
??????????????????????
while (*arg)
#134
?
??????????????????????
{
#135
?
??????????????????????????
sentry->mFunctionArgs.addType(char2type(*arg));
#136
?
??????????????????????????
sentry->mSize += LSCRIPTDataSize[char2type(*arg)];
#137
?
??????????????????????????
sentry->mOffset += LSCRIPTDataSize[char2type(*arg)];
#138
?
??????????????????????????
arg++;
#139
?
??????????????????????
}
#140
?
??????????????????
}
#141
?
??????????????
}
#142
?
??????????
}
#143
?
??????????
// first go and collect all the global variables
#144
?
??????????
if (mGlobals)
#145
?
??????????????
mGlobals->recurse(fp, tabs, tabsize, pass, ptype, prunearg, mGlobalScope, type, basetype, count, chunk, heap,
#146
?
stacksize, entry, entrycount, NULL);
#147
?
??????????
// second, do the global functions
#148
?
??????????
if (mGlobalFunctions)
#149
?
??????????????
mGlobalFunctions->recurse(fp, tabs, tabsize, pass, ptype, prunearg, mGlobalScope, type, basetype, count, chunk, heap,
#150
?
stacksize, entry, entrycount, NULL);
#151
?
??????????
// now do states
#152
?
??????????
mStates->recurse(fp, tabs, tabsize, pass, ptype, prunearg, mGlobalScope, type, basetype, count, chunk, heap, stacksize, entry,
#153
?
entrycount, NULL);
#154
?
??????????
break;
#155
?
??????
}
第二次作用域檢查,主要檢查跳轉(zhuǎn)、函數(shù)調(diào)用和狀態(tài)轉(zhuǎn)換。
#156
?
??
case LSCP_SCOPE_PASS2:
#157
?
??????
// now we're checking jumps, function calls, and state transitions
#158
?
??????
if (mGlobalFunctions)
#159
?
??????????
mGlobalFunctions->recurse(fp, tabs, tabsize, pass, ptype, prunearg, mGlobalScope, type, basetype, count, chunk, heap, stacksize, entry,
#160
?
entrycount, NULL);
#161
?
??????
mStates->recurse(fp, tabs, tabsize, pass, ptype, prunearg, mGlobalScope, type, basetype, count, chunk, heap, stacksize, entry, entrycount, NULL);
#162
?
??????
break;
對腳本的類型進(jìn)行檢查。
#163
?
??
case LSCP_TYPE:
#164
?
??????
// first we need to check global variables
#165
?
??????
if (mGlobals)
#166
?
??????????
mGlobals->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry, entrycount,
#167
?
NULL);
#168
?
??????
// now do global functions and states
#169
?
??????
if (mGlobalFunctions)
#170
?
??????????
mGlobalFunctions->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry,
#171
?
entrycount, NULL);
#172
?
??????
mStates->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry, entrycount, NULL);
#173
?
??????
break;
確定所有腳本需的資源大小。
#174
?
??
case LSCP_RESOURCE:
#175
?
??????
// first determine resource counts for globals
#176
?
??????
count = 0;
#177
?
??????
if (mGlobals)
#178
?
??????????
mGlobals->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry, entrycount,
#179
?
NULL);
#180
?
??????
// now do locals
#181
?
??????
if (mGlobalFunctions)
#182
?
??????????
mGlobalFunctions->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry,
#183
?
entrycount, NULL);
#184
?
??????
mStates->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry, entrycount, NULL);
#185
?
??????
break;
輸出匯編代碼。
#186
?
??
case LSCP_EMIT_ASSEMBLY:
#187
?
#188
?
??????
if (mGlobals)
#189
?
??????
{
#190
?
??????????
fprintf(fp, "GLOBALS/n");
#191
?
??????????
fdotabs(fp, tabs, tabsize);
#192
?
??????????
mGlobals->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry, entrycount,
#193
?
NULL);
#194
?
??????????
fprintf(fp, "/n");
#195
?
??????
}
#196
?
#197
?
??????
if (mGlobalFunctions)
#198
?
??????
{
#199
?
??????????
fprintf(fp, "GLOBAL FUNCTIONS/n");
#200
?
??????????
fdotabs(fp, tabs, tabsize);
#201
?
??????????
mGlobalFunctions->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry,
#202
?
entrycount, NULL);
#203
?
??????????
fprintf(fp, "/n");
#204
?
??????
}
#205
?
#206
?
??????
fprintf(fp, "STATES/n");
#207
?
??????
fdotabs(fp, tabs, tabsize);
#208
?
??????
mStates->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry, entrycount, NULL);
#209
?
??????
fprintf(fp, "/n");
#210
?
??????
break;
輸出虛擬機(jī)可以運(yùn)行的字節(jié)碼。
#211
?
??
case LSCP_EMIT_BYTE_CODE:
#212
?
??????
{
#213
?
??????????
// first, create data structure to hold the whole shebang
#214
?
??????????
LLScriptScriptCodeChunk
*code = new LLScriptScriptCodeChunk(TOP_OF_MEMORY);
#215
?
#216
?
??????????
// ok, let's add the registers, all zeroes for now
#217
?
??????????
S32 i;
#218
?
??????????
S32 nooffset = 0;
#219
?
#220
?
??????????
for (i = LREG_IP; i < LREG_EOF; i++)
#221
?
??????????
{
#222
?
??????????????
if (i < LREG_NCE)
#223
?
??????????????????
code->mRegisters->addBytes(4);
#224
?
??????????????
else if (LSL2_CURRENT_MAJOR_VERSION == LSL2_MAJOR_VERSION_TWO)
#225
?
??????????????????
code->mRegisters->addBytes(8);
#226
?
??????????
}
#227
?
??????????
// global variables
#228
?
??????????
if (mGlobals)
#229
?
??????????????
mGlobals->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, code->mGlobalVariables,
#230
?
code->mHeap, stacksize, entry, entrycount, NULL);
#231
?
#232
?
??????????
// put the ending heap block onto the heap
#233
?
??????????
U8 *temp;
#234
?
??????????
S32 size = lsa_create_data_block(&temp, NULL, 0);
#235
?
??????????
code->mHeap->addBytes(temp, size);
#236
?
??????????
delete [] temp;
#237
?
#238
?
??????????
// global functions
#239
?
??????????
// make space for global function jump table
#240
?
??????????
if (mGlobalFunctions)
#241
?
??????????
{
#242
?
??????????
code->mGlobalFunctions->addBytes(LSCRIPTDataSize[LST_INTEGER]*mGlobalScope->mFunctionCount +
#243
?
LSCRIPTDataSize[LST_INTEGER]);
#244
?
??????????????
integer2bytestream(code->mGlobalFunctions->mCodeChunk, nooffset, mGlobalScope->mFunctionCount);
#245
?
??????????????
mGlobalFunctions->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, code-
#246
?
>mGlobalFunctions, NULL, stacksize, entry, entrycount, NULL);
#247
?
??????????
}
#248
?
#249
?
#250
?
??????????
nooffset = 0;
#251
?
??????????
// states
#252
?
??????????
// make space for state jump/info table
#253
?
??????????
if (LSL2_CURRENT_MAJOR_VERSION == LSL2_MAJOR_VERSION_TWO)
#254
?
??????????
{
#255
?
??????????
code->mStates->addBytes(LSCRIPTDataSize[LST_INTEGER]*3*mGlobalScope->mStateCount + LSCRIPTDataSize
#256
?
[LST_INTEGER]);
#257
?
??????????
}
#258
?
??????????
else
#259
?
??????????
{
#260
?
??????????
code->mStates->addBytes(LSCRIPTDataSize[LST_INTEGER]*2*mGlobalScope->mStateCount + LSCRIPTDataSize
#261
?
[LST_INTEGER]);
#262
?
??????????
}
#263
?
??????????
integer2bytestream(code->mStates->mCodeChunk, nooffset, mGlobalScope->mStateCount);
#264
?
??????????
mStates->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, code->mStates, NULL, stacksize, entry,
#265
?
entrycount, NULL);
#266
?
#267
?
??????????
// now, put it all together and spit it out
#268
?
??????????
// we need
#269
?
??????????
FILE* bcfp = LLFile::fopen(mBytecodeDest, "wb");
???????
/*Flawfinder: ignore*/
#270
?
??????????
#271
?
??????????
code->build(fp, bcfp);
#272
?
??????????
fclose(bcfp);
#273
?
??????????????????????????????????
???
#274
?
??????????
delete code;
#275
?
??????
}
#276
?
??????
break;
輸出
CIL
的匯編代碼。
#277
?
??
case LSCP_EMIT_CIL_ASSEMBLY:
#278
?
#279
?
??????
// Output dependencies.
#280
?
??????
fprintf(fp, ".assembly extern mscorlib {.ver 1:0:5000:0}/n");
#281
?
??????
fprintf(fp, ".assembly extern LScriptLibrary {.ver 0:0:0:0}/n");
#282
?
#283
?
??????
// Output assembly name.
#284
?
??????
fprintf(fp, ".assembly 'lsl' {.ver 0:0:0:0}/n");
#285
?
#286
?
??????
// Output class header.
#287
?
??????
fprintf(fp, ".class public auto ansi beforefieldinit LSL extends [mscorlib]System.Object/n");
#288
?
??????
fprintf(fp, "{/n");
#289
?
#290
?
??????
// Output globals as members.
#291
?
??????
if(NULL != mGlobals)
#292
?
??????
{
#293
?
??????????
print_cil_globals(fp, mGlobals);
#294
?
??????
}
#295
?
#296
?
??????
// Output "runtime". Only needed to allow stand alone execution. Not needed when compiling to DLL and using embedded runtime.
#297
?
??????
fprintf(fp, ".method public static
?
hidebysig default void
#298
?
??????
fprintf(fp, "{/n");
#299
?
??????
fprintf(fp, ".entrypoint/n");
#300
?
??????
fprintf(fp, ".maxstack 2/n");
#301
?
??????
fprintf(fp, ".locals init (class LSL V_0)/n");
#302
?
??????
fprintf(fp, "newobj instance void class LSL::.ctor()/n");
#303
?
??????
fprintf(fp, "stloc.0/n");
#304
?
??????
fprintf(fp, "ldloc.0/n");
#305
?
??????
fprintf(fp, "callvirt instance void class LSL::defaultstate_entry()/n");
#306
?
??????
fprintf(fp, "ret/n");
#307
?
??????
fprintf(fp, "}/n");
#308
?
#309
?
??????
// Output ctor header.
#310
?
??????
fprintf(fp, ".method public hidebysig
?
specialname
?
rtspecialname instance default void .ctor ()
?
cil managed/n");
#311
?
??????
fprintf(fp, "{/n");
#312
?
??????
fprintf(fp, ".maxstack 500/n");
#313
?
#314
?
??????
// Initialise globals as members in ctor.
#315
?
??????
if (mGlobals)
#316
?
??????
{
#317
?
??????????
fdotabs(fp, tabs, tabsize);
#318
?
??????????
mGlobals->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry, entrycount,
#319
?
NULL);
#320
?
??????????
fprintf(fp, "/n");
#321
?
??????
}
#322
?
#323
?
??????
// Output ctor footer.
#324
?
??????
fprintf(fp, "ldarg.0/n");
#325
?
??????
fprintf(fp, "call instance void valuetype [mscorlib]System.Object::.ctor()/n");
#326
?
??????
fprintf(fp, "ret/n");
#327
?
??????
fprintf(fp, "}/n");
#328
?
#329
?
??????
// Output functions as methods.
#330
?
??????
if (mGlobalFunctions)
#331
?
??????
{
#332
?
??????????
fdotabs(fp, tabs, tabsize);
#333
?
??????????
mGlobalFunctions->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry,
#334
?
entrycount, NULL);
#335
?
??????????
fprintf(fp, "/n");
#336
?
??????
}
#337
?
#338
?
??????
// Output states as name mangled methods.
#339
?
??????
fdotabs(fp, tabs, tabsize);
#340
?
??????
mStates->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry, entrycount, NULL);
#341
?
??????
fprintf(fp, "/n");
#342
?
#343
?
??????
// Output class footer.
#344
?
??????
fprintf(fp, "}/n");
#345
?
#346
?
??????
break;
下面進(jìn)行缺省的處理。
#347
?
??
default:
#348
?
??????
if (mGlobals)
#349
?
??????????
mGlobals->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry, entrycount,
#350
?
NULL);
#351
?
??????
if (mGlobalFunctions)
#352
?
??????????
mGlobalFunctions->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry,
#353
?
entrycount, NULL);
#354
?
??????
mStates->recurse(fp, tabs, tabsize, pass, ptype, prunearg, scope, type, basetype, count, chunk, heap, stacksize, entry, entrycount, NULL);
#355
?
??????
break;
#356
?
??
}
#357
?
}
#358
?
通過上面的代碼,看到對腳本代碼完整的分析過程,其實(shí)它是依照下面的狀態(tài)來進(jìn)行不同的階段處理的,如下:
#001
?
typedef enum e_lscript_compile_pass
#002
?
{
非法編譯狀態(tài)。
#003
?
??
LSCP_INVALID,
輸出合適的說明文字
#004
?
??
LSCP_PRETTY_PRINT,
進(jìn)行代碼化減和優(yōu)化。
#005
?
??
LSCP_PRUNE,
對腳本代碼進(jìn)行全局的作用域檢查。
#006
?
??
LSCP_SCOPE_PASS1,
對腳本代碼進(jìn)行跳轉(zhuǎn)等作用域檢查。
#007
?
??
LSCP_SCOPE_PASS2,
對腳本代碼進(jìn)行類型檢查。
#008
?
??
LSCP_TYPE,
對腳本代碼進(jìn)行需要的資源分配。
#009
?
??
LSCP_RESOURCE,
對腳本代碼進(jìn)行匯編輸出處理。
#010
?
??
LSCP_EMIT_ASSEMBLY,
對腳本代碼進(jìn)行字節(jié)碼編譯輸出。
#011
?
??
LSCP_EMIT_BYTE_CODE,
對腳本代碼進(jìn)行事件處理計(jì)數(shù)。
#012
?
??
LSCP_DETERMINE_HANDLERS,
輸出
LIB
數(shù)據(jù)。
#013
?
??
LSCP_LIST_BUILD_SIMPLE,
對于棧進(jìn)行處理。
#014
?
??
LSCP_TO_STACK,
函數(shù)聲明參數(shù)處理。
#015
?
??
LSCP_BUILD_FUNCTION_ARGS,
對腳本代碼進(jìn)行
CIL
匯編輸出。
#016
?
??
LSCP_EMIT_CIL_ASSEMBLY,
腳本處理結(jié)束狀態(tài)。
#017
?
??
LSCP_EOF
#018
?
} LSCRIPTCompilePass;
因此一個腳本代碼需要經(jīng)過上面
13
種的組合分析,才會真正地處理完腳本的編譯,這是一個非常復(fù)雜漫長的過程。
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