Apply cpp naming to files
This commit is contained in:
IlyaShurupov
Ilya Shurupov
parent
89eec0e329
commit
9d01ba2c8a
73 changed files with 160 additions and 160 deletions
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@ -1,571 +0,0 @@
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#include "compiler/function.h"
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#include "primitives/methodobject.h"
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#include "primitives/primitives.h"
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#include "parser/parser.h"
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using namespace obj;
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using namespace tp;
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using namespace obj;
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using namespace BCgen;
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void obj::BCgen::Genereate(ByteCode& out, StatementScope* body) {
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auto root = FunctionDefinition();
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root.inst(Instruction(OpCode::SCOPE_IN));
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for (auto child_stm : body->mStatements) {
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root.EvalStatement(child_stm.data());
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}
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root.inst(Instruction(OpCode::SCOPE_OUT));
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root.generateByteCode(out);
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}
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ConstObject* FunctionDefinition::defineLocal(const std::string& id) {
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auto idx = mLocals.presents(id);
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// RelAssert(!idx && "Local Redefinition");
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auto const_str_id = mConstants.get(id);
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mLocals.put(id, const_str_id);
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return const_str_id;
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}
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FunctionDefinition::FunctionDefinition(const std::string& function_id, tp::Buffer<std::string> args, FunctionDefinition* prnt) {
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mFunctionId = function_id;
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inst(Instruction(OpCode::SAVE_ARGS, args.size(), 1));
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for (auto id : args) {
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ASSERT(!mLocals.presents(id.data()) && "Argument Redefinition");
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auto const_data = mConstants.get(id.data());
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mArgsOrder.pushBack(const_data);
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mLocals.put(id.data(), const_data);
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inst(Instruction(const_data));
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}
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}
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void FunctionDefinition::EvalStatement(Statement* stm) {
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switch (stm->mType) {
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case Statement::Type::IGNORE:
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{
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auto stm_ignore = (StatementIgnore*) stm;
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EvalExpr(stm_ignore->mExpr);
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inst(OpCode::IGNORE);
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break;
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}
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case Statement::Type::WHILE:
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{
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auto stm_while = (StatementWhile*) stm;
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auto check_mark = inst(Instruction());
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EvalExpr(stm_while->mCondition);
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auto jump_if_inst = inst(Instruction(NULL, Instruction::InstType::JUMP_IF_NOT));
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if (stm_while->mScope) {
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EvalStatement(stm_while->mScope);
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}
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auto jump_inst = inst(Instruction(NULL, Instruction::InstType::JUMP));
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auto end_mark = inst(Instruction());
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jump_if_inst->data.mInstTarget = &end_mark->data;
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jump_inst->data.mInstTarget = &check_mark->data;
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break;
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}
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case Statement::Type::IF:
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{
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auto stm_if = (StatementIf*) stm;
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EvalExpr(stm_if->mCondition);
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auto jump_if_inst = inst(Instruction(NULL, Instruction::InstType::JUMP_IF_NOT));
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if (stm_if->mOnTrue) {
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EvalStatement(stm_if->mOnTrue);
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}
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auto jump_inst = inst(Instruction(NULL, Instruction::InstType::JUMP));
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auto else_mark = inst(Instruction());
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if (stm_if->mOnFalse) {
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EvalStatement(stm_if->mOnFalse);
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}
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auto end_mark = inst(Instruction());
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jump_if_inst->data.mInstTarget = &else_mark->data;
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jump_inst->data.mInstTarget = &end_mark->data;
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break;
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}
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case Statement::Type::SCOPE:
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{
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auto stm_scope = (StatementScope*) stm;
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if (stm_scope->mPushToScopeStack) {
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inst(Instruction(OpCode::SCOPE_IN));
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}
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for (auto child_stm : stm_scope->mStatements) {
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EvalStatement(child_stm.data());
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}
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if (stm_scope->mPushToScopeStack) {
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inst(Instruction(OpCode::SCOPE_OUT));
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}
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break;
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}
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case Statement::Type::DEF_FUNC:
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{
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auto stm_func_def = (StatementFuncDef*) stm;
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FunctionDefinition func(stm_func_def->mFunctionId, stm_func_def->mArgs, this);
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// define method as local
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auto idx = mLocals.presents(func.mFunctionId);
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ASSERT(!idx && "Local Redefinition with function name");
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mLocals.put(func.mFunctionId, mConstants.get(func.mFunctionId));
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// create and register const func object
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auto function_obj = NDO_CAST(MethodObject, NDO->create("method"));
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auto method_const_obj = mConstants.addMethod(func.mFunctionId, function_obj);
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for (auto child_stm : stm_func_def->mStatements->mStatements) {
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func.EvalStatement(child_stm.data());
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}
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func.generateByteCode(function_obj->mScript->mBytecode);
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inst(Instruction(OpCode::LOAD_CONST, method_const_obj));
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inst(Instruction(OpCode::LOAD_CONST, mConstants.get(func.mFunctionId)));
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inst(Instruction(OpCode::DEF_LOCAL));
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break;
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}
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case Statement::Type::CLASS_DEF:
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{
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// do the function definition
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auto stm_class_def = (StatementClassDef*) stm;
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FunctionDefinition func(stm_class_def->mClassId, {}, this);
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// define method as local
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auto idx = mLocals.presents(func.mFunctionId);
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ASSERT(!idx && "Local Redefinition with function name");
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mLocals.put(func.mFunctionId, mConstants.get(func.mFunctionId));
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// create and register const func object
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auto function_obj = NDO_CAST(MethodObject, NDO->create("method"));
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auto method_const_obj = mConstants.addMethod(func.mFunctionId, function_obj);
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// compile function
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for (auto child_stm : stm_class_def->mScope->mStatements) {
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// check for return statements
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ASSERT(
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child_stm.data()->mType != Statement::Type::RET && "return statements are not allowed in class definition"
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);
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func.EvalStatement(child_stm.data());
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}
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// create one last instruction - constructing class from function execution state
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func.inst(Instruction(OpCode::CLASS_CONSTRUCT));
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func.generateByteCode(function_obj->mScript->mBytecode);
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inst(Instruction(OpCode::LOAD_CONST, method_const_obj));
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inst(Instruction(OpCode::LOAD_CONST, mConstants.get(func.mFunctionId)));
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inst(Instruction(OpCode::DEF_LOCAL));
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break;
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}
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case Statement::Type::DEF_LOCAL:
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{
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auto stm_local_def = (StatementLocalDef*) stm;
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if (!stm_local_def->mIsConstExpr) {
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auto const_id = defineLocal(stm_local_def->mLocalId);
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EvalExpr(stm_local_def->mNewExpr);
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inst(Instruction(OpCode::LOAD_CONST, const_id));
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inst(Instruction(OpCode::DEF_LOCAL));
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} else {
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std::string type;
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switch (stm_local_def->mConstExpr->mConstType) {
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case ExpressionConst::BOOL:
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{
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type = "bool";
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break;
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}
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case ExpressionConst::INT:
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{
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type = "int";
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break;
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}
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case ExpressionConst::FLT:
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{
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type = "float";
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break;
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}
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case ExpressionConst::STR:
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{
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type = "str";
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break;
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}
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}
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auto new_expr = new ExpressionNew(type);
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auto defLocalExpr = new StatementLocalDef(stm_local_def->mLocalId, new_expr);
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EvalStatement(defLocalExpr);
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EvalExpr(stm_local_def->mConstExpr);
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inst(Instruction(OpCode::LOAD_LOCAL, mConstants.get(stm_local_def->mLocalId)));
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inst(Instruction(OpCode::OBJ_COPY));
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delete defLocalExpr;
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}
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break;
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}
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case Statement::Type::COPY:
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{
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auto stm_cp = (StatementCopy*) stm;
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EvalExpr(stm_cp->mRight);
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EvalExpr(stm_cp->mLeft);
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inst(Instruction(OpCode::OBJ_COPY));
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break;
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}
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case Statement::Type::PRINT:
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{
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auto stm_prnt = (StatementPrint*) stm;
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EvalExpr(stm_prnt->mTarget);
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inst(Instruction(OpCode::PRINT));
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break;
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}
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case Statement::Type::RET:
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{
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auto stm_ret = (StatementReturn*) stm;
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if (stm_ret->mRet) {
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EvalExpr(stm_ret->mRet);
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inst(Instruction(OpCode::RETURN_OBJ));
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} else {
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inst(Instruction(OpCode::RETURN));
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}
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break;
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}
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default: ASSERT(0)
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}
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}
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void FunctionDefinition::EvalExpr(Expression* expr) {
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switch (expr->mType) {
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case Expression::Type::BOOLEAN:
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{
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auto boolean = (ExpressionBoolean*) expr;
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if (boolean->mBoolType == ExpressionBoolean::BoolType::NOT) {
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EvalExpr(boolean->mLeft);
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inst(OpCode::NOT);
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} else {
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EvalExpr(boolean->mRight);
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EvalExpr(boolean->mLeft);
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inst(OpCode(boolean->mBoolType));
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}
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break;
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}
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case Expression::Type::FUNC:
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{
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auto func = (ExpressionFunc*) expr;
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// RelAssert(mConstants.mMethods.presents(func->mFuncId) && "No such function");
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inst(Instruction(OpCode::LOAD_LOCAL, mConstants.get(func->mFuncId)));
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break;
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}
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case Expression::Type::ARITHMETICS:
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{
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auto ariphm = (ExpressionArithmetics*) expr;
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EvalExpr(ariphm->mRight);
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EvalExpr(ariphm->mLeft);
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inst(Instruction(ariphm->mOpType));
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break;
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}
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case Expression::Type::NEW:
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{
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auto create_new = (ExpressionNew*) expr;
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inst(Instruction(OpCode::LOAD_CONST, mConstants.get(create_new->mNewType)));
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inst(Instruction(OpCode::OBJ_CREATE));
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break;
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}
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case Expression::Type::LOCAL:
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{
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auto local = (ExpressionLocal*) expr;
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// RelAssert(mLocals.presents(local->mLocalId) && "undefined local");
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inst(Instruction(OpCode::LOAD_LOCAL, mConstants.get(local->mLocalId)));
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break;
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}
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case Expression::Type::CONST_EXPR:
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{
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auto constobj = (ExpressionConst*) expr;
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switch (constobj->mConstType) {
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case ExpressionConst::STR:
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{
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inst(Instruction(OpCode::LOAD_CONST, mConstants.get(constobj->str)));
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break;
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}
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case ExpressionConst::INT:
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{
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inst(Instruction(OpCode::LOAD_CONST, mConstants.get(constobj->integer)));
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break;
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}
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case ExpressionConst::FLT:
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{
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inst(Instruction(OpCode::LOAD_CONST, mConstants.get(constobj->floating)));
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break;
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}
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case ExpressionConst::BOOL:
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{
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inst(Instruction(OpCode::LOAD_CONST, mConstants.get(constobj->boolean)));
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break;
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}
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};
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break;
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}
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case Expression::Type::CHILD:
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{
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auto child = (ExpressionChild*) expr;
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EvalExpr(child->mParent);
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inst(Instruction(OpCode::LOAD_CONST, mConstants.get(child->mLocalId)));
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inst(Instruction(OpCode::CHILD, child->mMethod, 1));
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break;
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}
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case Expression::Type::SELF:
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{
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inst(Instruction(OpCode::SELF));
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break;
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}
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case Expression::Type::CALL:
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{
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auto call = (ExpressionCall*) expr;
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inst(Instruction(OpCode::PUSH_ARGS, call->mArgs->mItems.size(), 1));
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for (auto arg : call->mArgs->mItems) {
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EvalExpr(arg.data());
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}
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EvalExpr(call->mParent);
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inst(Instruction(OpCode::CALL));
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break;
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}
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default: ASSERT(0)
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}
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}
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tp::alni instSize(const Instruction& inst) {
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switch (inst.mInstType) {
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case Instruction::InstType::JUMP:
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case Instruction::InstType::JUMP_IF_NOT:
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case Instruction::InstType::JUMP_IF:
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{
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// 2 bytes for offset 1 byte for instrtuction
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return 3;
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}
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case Instruction::InstType::PURE_CONST:
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{
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return 2;
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}
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case Instruction::InstType::EXEC:
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{
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tp::alni out = 1;
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switch (inst.mArgType) {
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case Instruction::ArgType::PARAM:
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{
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out += inst.mParamBytes;
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return out;
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}
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case Instruction::ArgType::CONST_ARG:
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{
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out += 2;
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if (inst.mConstData2) {
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out += 2;
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}
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return out;
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}
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case Instruction::ArgType::NO_ARG:
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{
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return out;
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}
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default:
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{
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ASSERT(0);
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}
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}
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}
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case Instruction::InstType::NONE:
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{
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return 0;
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}
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default:
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{
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ASSERT(0);
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}
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}
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ASSERT(0);
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return 0;
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}
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void writeConst(ByteCode& out, tp::alni& idx, tp::uint2 data) {
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for (auto byte : tp::Range(sizeof(tp::uint2))) {
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out.mInstructions[idx] = OpCode((tp::int1)(data >> byte * 8));
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idx++;
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}
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}
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void writeParam(ByteCode& out, tp::alni& idx, tp::int1* data, tp::alni size) {
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for (auto byte : tp::Range(size)) {
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out.mInstructions[idx] = OpCode(data[byte]);
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idx++;
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}
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}
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tp::alni calcOffset(tp::List<Instruction>::Node* jump_inst, Instruction* to) {
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tp::alni offset = 0;
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bool reversed = jump_inst->data.mInstIdx > to->mInstIdx;
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auto iter_node = reversed ? jump_inst : jump_inst->next;
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while (&iter_node->data != to) {
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offset += instSize(iter_node->data);
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iter_node = reversed ? iter_node->prev : iter_node->next;
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}
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if (reversed) {
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offset += instSize(iter_node->data);
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}
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return reversed ? -offset : offset;
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}
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void FunctionDefinition::generateByteCode(ByteCode& out) {
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out.~ByteCode();
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new (&out) ByteCode();
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mConstants.save(out.mConstants);
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tp::alni inst_len = 0;
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for (auto inst_iter : mInstructions) {
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inst_len += instSize(inst_iter.data());
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}
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out.mInstructions.reserve(inst_len);
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tp::alni idx = 0;
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for (auto inst_iter : mInstructions) {
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auto inst = inst_iter.data();
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switch (inst.mInstType) {
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case Instruction::InstType::JUMP_IF:
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case Instruction::InstType::JUMP_IF_NOT:
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case Instruction::InstType::JUMP:
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{
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tp::alni offset = calcOffset(inst_iter.node(), inst.mInstTarget);
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if (offset == 0) {
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out.mInstructions[idx] = OpCode::NONE;
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idx += 3;
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break;
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}
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if (inst.mInstType == Instruction::InstType::JUMP_IF) {
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if (offset > 0) {
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out.mInstructions[idx] = OpCode::JUMP_IF;
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} else {
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out.mInstructions[idx] = OpCode::JUMP_IF_R;
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}
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} else if (inst.mInstType == Instruction::InstType::JUMP_IF_NOT) {
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if (offset > 0) {
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out.mInstructions[idx] = OpCode::JUMP_IF_NOT;
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} else {
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out.mInstructions[idx] = OpCode::JUMP_IF_NOT_R;
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}
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} else {
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if (offset > 0) {
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out.mInstructions[idx] = OpCode::JUMP;
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} else {
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out.mInstructions[idx] = OpCode::JUMP_R;
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}
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}
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idx++;
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tp::alni offset_mod = abs(offset);
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tp::uint2 offset_param = (tp::uint2) offset_mod;
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writeParam(out, idx, (tp::int1*) &offset_param, 2);
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break;
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}
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case Instruction::InstType::PURE_CONST:
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{
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writeConst(out, idx, (tp::uint2) inst.mConstData->mConstIdx);
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break;
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}
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case Instruction::InstType::EXEC:
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{
|
||||
out.mInstructions[idx] = inst.mOp;
|
||||
idx++;
|
||||
switch (inst.mArgType) {
|
||||
case Instruction::ArgType::PARAM:
|
||||
{
|
||||
writeParam(out, idx, (tp::int1*) &inst.mParam, inst.mParamBytes);
|
||||
break;
|
||||
}
|
||||
case Instruction::ArgType::CONST_ARG:
|
||||
{
|
||||
writeConst(out, idx, (tp::uint2) inst.mConstData->mConstIdx);
|
||||
if (inst.mConstData2) {
|
||||
writeConst(out, idx, (tp::uint2) inst.mConstData2->mConstIdx);
|
||||
}
|
||||
break;
|
||||
}
|
||||
case Instruction::ArgType::NO_ARG:
|
||||
{
|
||||
break;
|
||||
}
|
||||
default:
|
||||
{
|
||||
ASSERT(0);
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
default:
|
||||
{
|
||||
ASSERT(0);
|
||||
}
|
||||
case Instruction::InstType::NONE:
|
||||
{
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
tp::List<Instruction>::Node* FunctionDefinition::inst(Instruction inst) {
|
||||
mInstructions.pushBack(inst);
|
||||
auto out = &mInstructions.last()->data;
|
||||
out->mInstIdx = mInstructions.length() - 1;
|
||||
return mInstructions.last();
|
||||
}
|
||||
|
||||
void obj::BCgen::init() {}
|
||||
|
||||
void obj::BCgen::deinit() {}
|
||||
|
||||
bool obj::BCgen::Compile(obj::MethodObject* method) {
|
||||
|
||||
Parser parser;
|
||||
|
||||
auto script = method->mScript->mReadable->val;
|
||||
auto res = parser.parse(script);
|
||||
|
||||
if (res.isError) {
|
||||
// TODO : print parse error
|
||||
return false;
|
||||
}
|
||||
|
||||
BCgen::Genereate(method->mScript->mBytecode, res.scope);
|
||||
|
||||
delete res.scope;
|
||||
|
||||
return true;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue