X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Usermode%2FLibraries%2Flibspiderscript.so_src%2Fmain.c;h=d6cd722e2ea0773e7ac894d816db9095e2789a9a;hb=239f2374299c1471a40b1087725b32f3f163d9b3;hp=106ce232039eb55f95cb6df4048ee7192c580d95;hpb=7eab89f95c3ea818686482a69a2d37ce0cb68c62;p=tpg%2Facess2.git diff --git a/Usermode/Libraries/libspiderscript.so_src/main.c b/Usermode/Libraries/libspiderscript.so_src/main.c index 106ce232..d6cd722e 100644 --- a/Usermode/Libraries/libspiderscript.so_src/main.c +++ b/Usermode/Libraries/libspiderscript.so_src/main.c @@ -6,13 +6,15 @@ #include #include #include +#include "common.h" #include "ast.h" +#include "bytecode_gen.h" // === IMPORTS === -extern tAST_Script *Parse_Buffer(tSpiderVariant *Variant, char *Buffer); -extern tSpiderFunction *gpExports_First; +extern int Parse_Buffer(tSpiderScript *Script, const char *Buffer, const char *Filename); extern tAST_Variable *Variable_Define(tAST_BlockState *Block, int Type, const char *Name); extern void Variable_SetValue(tAST_BlockState *Block, const char *Name, tSpiderValue *Value); +extern void Variable_Destroy(tAST_Variable *Variable); // === CODE === /** @@ -28,20 +30,20 @@ int SoMain() */ tSpiderScript *SpiderScript_ParseFile(tSpiderVariant *Variant, const char *Filename) { + char cacheFilename[strlen(Filename)+6+1]; char *data; int fLen; FILE *fp; tSpiderScript *ret; + strcpy(cacheFilename, Filename); + strcat(cacheFilename, ".cache"); + fp = fopen(Filename, "r"); if( !fp ) { return NULL; } - // Create the script - ret = malloc(sizeof(tSpiderScript)); - ret->Variant = Variant; - fseek(fp, 0, SEEK_END); fLen = ftell(fp); fseek(fp, 0, SEEK_SET); @@ -49,14 +51,23 @@ tSpiderScript *SpiderScript_ParseFile(tSpiderVariant *Variant, const char *Filen // Allocate and read data data = malloc(fLen + 1); if(!data) return NULL; - fread(data, fLen, 1, fp); + fLen = fread(data, 1, fLen, fp); + fclose(fp); + if( fLen < 0 ) { + free(data); + return NULL; + } data[fLen] = '\0'; - fclose(fp); + + // Create the script + ret = malloc(sizeof(tSpiderScript)); + ret->Variant = Variant; + ret->Functions = NULL; + ret->LastFunction = NULL; ret->CurNamespace = NULL; - ret->Script = Parse_Buffer(Variant, data); - if( ret->Script == NULL ) { + if( Parse_Buffer(ret, data, Filename) ) { free(data); free(ret); return NULL; @@ -64,116 +75,31 @@ tSpiderScript *SpiderScript_ParseFile(tSpiderVariant *Variant, const char *Filen free(data); - return ret; -} - -/** - * \brief Execute a script function - * \param Script Script context to execute in - * \param Function Function name to execute - * \param NArguments Number of arguments to pass - * \param Arguments Arguments passed - */ -tSpiderValue *SpiderScript_ExecuteMethod(tSpiderScript *Script, - const char *Function, int NArguments, tSpiderValue **Arguments) -{ - char *trueName = NULL; - int bFound = 0; // Used to keep nesting levels down - tSpiderValue *ret = ERRPTR; - - // Handle namespaces - if( Function[0] == '.' ) { - trueName = (char*)&Function[1]; - } - else if( !Script->CurNamespace ) { - trueName = (char*)Function; - } - else { - int len = strlen(Script->CurNamespace) + 1 + strlen(Function); - trueName = malloc( len + 1 ); - strcpy(trueName, Script->CurNamespace); - strcat(trueName, "."); - strcat(trueName, Function); - } - // First: Find the function in the script + // HACK!! { - tAST_Function *fcn = Script->Script->Functions; - for( ; fcn; fcn = fcn->Next ) { - if( strcmp(fcn->Name, trueName) == 0 ) - break; - } - // Execute! - if(fcn) { - tAST_BlockState bs; - bs.FirstVar = NULL; - bs.RetVal = NULL; - bs.Parent = NULL; - bs.Script = Script; - { - tAST_Node *arg; - int i = 0; - for( arg = fcn->Arguments; arg; arg = arg->NextSibling, i++ ) - { - // TODO: Type checks - Variable_Define(&bs, arg->DefVar.DataType, arg->DefVar.Name); - if( i >= NArguments ) break; // TODO: Return gracefully - Variable_SetValue(&bs, arg->DefVar.Name, Arguments[i]); - } - } - ret = AST_ExecuteNode(&bs, fcn->Code); - Object_Dereference(ret); - ret = bs.RetVal; - bFound = 1; - } - } - - // Didn't find it in script? - if(!bFound) - { - tSpiderFunction *fcn; - // Second: Search the variant's exports - for( fcn = Script->Variant->Functions; fcn; fcn = fcn->Next ) - { - if( strcmp( fcn->Name, trueName ) == 0 ) - break; - } - // Execute! - if(fcn) { - // TODO: Type Checking - ret = fcn->Handler( Script, NArguments, Arguments ); - bFound = 1; - } - } - - // Not in variant exports? Search the language internal ones - if(!bFound) - { - tSpiderFunction *fcn; - // Third: Search language exports - for( fcn = gpExports_First; fcn; fcn = fcn->Next ) - { - if( strcmp( fcn->Name, trueName ) == 0 ) - break; - } - // Execute! - if(fcn) { - ret = fcn->Handler( Script, NArguments, Arguments ); - bFound = 1; - } - } - - // Not found? - if(!bFound) - { - fprintf(stderr, "Undefined reference to '%s'\n", trueName); + size_t size; + + printf("Total Size: "); fflush(stdout); + size = AST_WriteScript(NULL, ret); + printf("0x%x bytes\n", (unsigned)size); + + fp = fopen(cacheFilename, "wb"); + if(!fp) return ret; + + data = malloc(size); + size = AST_WriteScript(data, ret); + fwrite(data, size, 1, fp); + free(data); + fclose(fp); } - if( trueName != Function && trueName != &Function[1] ) - free(trueName); - return ret; - +} + +int SpiderScript_SaveBytecode(tSpiderScript *Script, const char *DestFile) +{ + return Bytecode_ConvertScript(Script, DestFile); } /** @@ -181,29 +107,19 @@ tSpiderValue *SpiderScript_ExecuteMethod(tSpiderScript *Script, */ void SpiderScript_Free(tSpiderScript *Script) { - tAST_Function *fcn = Script->Script->Functions; - tAST_Function *nextFcn; - tAST_Node *var, *nextVar; + tScript_Function *fcn = Script->Functions; + tScript_Function *nextFcn; // Free functions - while(fcn) { - AST_FreeNode( fcn->Code ); - - var = fcn->Arguments; - while(var) - { - nextVar = var->NextSibling; - AST_FreeNode( var ); - var = nextVar; - } - + while(fcn) + { + if(fcn->ASTFcn) AST_FreeNode( fcn->ASTFcn ); + if(fcn->BCFcn) Bytecode_DeleteFunction( fcn->BCFcn ); + nextFcn = fcn->Next; free( fcn ); fcn = nextFcn; } - // TODO: Pass this off to AST for a proper cleanup - free(Script->Script); - free(Script); }