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author | Derek Hower <drh5@cs.wisc.edu> | 2010-01-19 15:48:12 -0600 |
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committer | Derek Hower <drh5@cs.wisc.edu> | 2010-01-19 15:48:12 -0600 |
commit | 279f179babc9e5663156777c533c06edc91bce9a (patch) | |
tree | e6718ee514cc81678491b50562ce8c463c0b20fd /src/mem/slicc/ast/FuncCallExprAST.cc | |
parent | 5aa104e072eb20f6aca49b169521b0c2da33c844 (diff) | |
parent | 295516a590b6e47c9a881f193027447e500c749c (diff) | |
download | gem5-279f179babc9e5663156777c533c06edc91bce9a.tar.xz |
merge
Diffstat (limited to 'src/mem/slicc/ast/FuncCallExprAST.cc')
-rw-r--r-- | src/mem/slicc/ast/FuncCallExprAST.cc | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/src/mem/slicc/ast/FuncCallExprAST.cc b/src/mem/slicc/ast/FuncCallExprAST.cc deleted file mode 100644 index 5b19017e9..000000000 --- a/src/mem/slicc/ast/FuncCallExprAST.cc +++ /dev/null @@ -1,224 +0,0 @@ - -/* - * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* - * FuncCallExprAST.C - * - * Description: See FuncCallExprAST.hh - * - * $Id$ - * - */ - -#include "mem/slicc/ast/FuncCallExprAST.hh" -#include "mem/slicc/symbols/SymbolTable.hh" - -FuncCallExprAST::FuncCallExprAST(string* proc_name_ptr, - Vector<ExprAST*>* expr_vec_ptr) - : ExprAST() -{ - m_proc_name_ptr = proc_name_ptr; - m_expr_vec_ptr = expr_vec_ptr; -} - -FuncCallExprAST::~FuncCallExprAST() -{ - delete m_proc_name_ptr; - int size = m_expr_vec_ptr->size(); - for(int i=0; i<size; i++) { - delete (*m_expr_vec_ptr)[i]; - } - delete m_expr_vec_ptr; -} - -Type* FuncCallExprAST::generate(string& code) const -{ - // DEBUG_EXPR is strange since it takes parameters of multiple types - if (*m_proc_name_ptr == "DEBUG_EXPR") { - // FIXME - check for number of parameters - code += "DEBUG_SLICC(MedPrio, \""; - code += (*m_expr_vec_ptr)[0]->getLocation().toString(); - code += ": \", "; - (*m_expr_vec_ptr)[0]->generate(code); - code += ");\n"; - Type* void_type_ptr = g_sym_table.getType("void"); - assert(void_type_ptr != NULL); - return void_type_ptr; - } - - // hack for adding comments to profileTransition - if (*m_proc_name_ptr == "APPEND_TRANSITION_COMMENT") { - // FIXME - check for number of parameters - code += "APPEND_TRANSITION_COMMENT("; - //code += (*m_expr_vec_ptr)[0]->getLocation().toString(); - //code += ": \", "; - (*m_expr_vec_ptr)[0]->generate(code); - code += ");\n"; - Type* void_type_ptr = g_sym_table.getType("void"); - assert(void_type_ptr != NULL); - return void_type_ptr; - } - - // Look up the function in the symbol table - Vector<string> code_vec; - Func* func_ptr = g_sym_table.getFunc(*m_proc_name_ptr); - - // Check the types and get the code for the parameters - if (func_ptr == NULL) { - error("Unrecognized function name: '" + *m_proc_name_ptr + "'"); - } else { - int size = m_expr_vec_ptr->size(); - - Vector<Type*> f = func_ptr->getParamTypes(); - - if (size != f.size() ) { - error("Wrong number of arguments passed to function : '" + *m_proc_name_ptr + "'"); - } - else { - for(int i=0; i<size; i++) { - - // Check the types of the parameter - string param_code; - Type* actual_type_ptr = (*m_expr_vec_ptr)[i]->generate(param_code); - Type* expected_type_ptr = func_ptr->getParamTypes()[i]; - if (actual_type_ptr != expected_type_ptr) { - (*m_expr_vec_ptr)[i]->error("Type mismatch: expected: " + expected_type_ptr->toString() + - " actual: " + actual_type_ptr->toString()); - } - code_vec.insertAtBottom(param_code); - } - } - } - - /* OK, the semantics of "trigger" here is that, ports in the machine have - * different priorities. We always check the first port for doable - * transitions. If nothing/stalled, we pick one from the next port. - * - * One thing we have to be careful as the SLICC protocol writter is : - * If a port have two or more transitions can be picked from in one cycle, - * they must be independent. Otherwise, if transition A and B mean to be - * executed in sequential, and A get stalled, transition B can be issued - * erroneously. In practice, in most case, there is only one transition - * should be executed in one cycle for a given port. So as most of current - * protocols. - */ - - if (*m_proc_name_ptr == "trigger") { - code += indent_str() + "{\n"; - code += indent_str() + " Address addr = "; - code += code_vec[1]; - code += ";\n"; - code += indent_str() + " TransitionResult result = doTransition("; - code += code_vec[0]; - code += ", " + g_sym_table.getStateMachine()->toString() + "_getState(addr), addr"; - if(CHECK_INVALID_RESOURCE_STALLS) { - // FIXME - the current assumption is that in_buffer_rank is declared in the msg buffer peek statement - code += ", in_buffer_rank"; - } - code += ");\n"; - code += indent_str() + " if (result == TransitionResult_Valid) {\n"; - code += indent_str() + " counter++;\n"; - code += indent_str() + " continue; // Check the first port again\n"; - code += indent_str() + " }\n"; - code += indent_str() + " if (result == TransitionResult_ResourceStall) {\n"; - code += indent_str() + " g_eventQueue_ptr->scheduleEvent(this, 1);\n"; - code += indent_str() + " // Cannot do anything with this transition, go check next doable transition (mostly likely of next port)\n"; - code += indent_str() + " }\n"; - code += indent_str() + "}\n"; - } else if (*m_proc_name_ptr == "doubleTrigger") { - // NOTE: Use the doubleTrigger call with extreme caution - // the key to double trigger is the second event triggered cannot fail becuase the first event cannot be undone - assert(code_vec.size() == 4); - code += indent_str() + "{\n"; - code += indent_str() + " Address addr1 = "; - code += code_vec[1]; - code += ";\n"; - code += indent_str() + " TransitionResult result1 = doTransition("; - code += code_vec[0]; - code += ", " + g_sym_table.getStateMachine()->toString() + "_getState(addr1), addr1"; - if(CHECK_INVALID_RESOURCE_STALLS) { - // FIXME - the current assumption is that in_buffer_rank is declared in the msg buffer peek statement - code += ", in_buffer_rank"; - } - code += ");\n"; - code += indent_str() + " if (result1 == TransitionResult_Valid) {\n"; - code += indent_str() + " //this second event cannont fail because the first event already took effect\n"; - code += indent_str() + " Address addr2 = "; - code += code_vec[3]; - code += ";\n"; - code += indent_str() + " TransitionResult result2 = doTransition("; - code += code_vec[2]; - code += ", " + g_sym_table.getStateMachine()->toString() + "_getState(addr2), addr2"; - if(CHECK_INVALID_RESOURCE_STALLS) { - // FIXME - the current assumption is that in_buffer_rank is declared in the msg buffer peek statement - code += ", in_buffer_rank"; - } - code += ");\n"; - code += indent_str() + " assert(result2 == TransitionResult_Valid); // ensure the event suceeded\n"; - code += indent_str() + " counter++;\n"; - code += indent_str() + " continue; // Check the first port again\n"; - code += indent_str() + " }\n"; - code += indent_str() + " if (result1 == TransitionResult_ResourceStall) {\n"; - code += indent_str() + " g_eventQueue_ptr->scheduleEvent(this, 1);\n"; - code += indent_str() + " // Cannot do anything with this transition, go check next doable transition (mostly likely of next port)\n"; - code += indent_str() + " }\n"; - code += indent_str() + "}\n"; - } else if (*m_proc_name_ptr == "error") { - code += indent_str() + (*m_expr_vec_ptr)[0]->embedError(code_vec[0]) + "\n"; - } else if (*m_proc_name_ptr == "assert") { - code += indent_str() + "if (ASSERT_FLAG && !(" + code_vec[0] + ")) {\n"; - code += indent_str() + " " + (*m_expr_vec_ptr)[0]->embedError("\"assert failure\"") + "\n"; - code += indent_str() + "}\n"; - } else if (*m_proc_name_ptr == "continueProcessing") { - code += "counter++; continue; // Check the first port again"; - } else { - // Normal function - code += "("; - // if the func is internal to the chip but not the machine then it can only be - // accessed through the chip pointer - if (!func_ptr->existPair("external") && !func_ptr->isInternalMachineFunc()) { - code += "m_chip_ptr->"; - } - code += func_ptr->cIdent() + "("; - int size = code_vec.size(); - for(int i=0; i<size; i++) { - if (i != 0) { - code += ", "; - } - code += code_vec[i]; - } - code += "))"; - } - return func_ptr->getReturnType(); -} - -void FuncCallExprAST::print(ostream& out) const -{ - out << "[FuncCallExpr: " << *m_proc_name_ptr << " " << *m_expr_vec_ptr << "]"; -} |