1 files changed, 111 insertions, 0 deletions
diff --git a/src/mem/slicc/ast/FuncDeclAST.cc b/src/mem/slicc/ast/FuncDeclAST.cc
new file mode 100644
index 000000000..69c09121a
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+++ b/src/mem/slicc/ast/FuncDeclAST.cc
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+
+/*
+ * 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.
+ */
+
+/*
+ * FuncDeclAST.C
+ *
+ * Description: See FuncDeclAST.h
+ *
+ * $Id: FuncDeclAST.C,v 3.4 2003/08/22 18:19:34 beckmann Exp $
+ *
+ */
+
+#include "mem/slicc/ast/FuncDeclAST.hh"
+#include "mem/slicc/symbols/SymbolTable.hh"
+#include "mem/slicc/main.hh"
+
+FuncDeclAST::FuncDeclAST(TypeAST* return_type_ast_ptr,
+                         string* ident_ptr,
+                         Vector<FormalParamAST*>* formal_vec_ptr,
+                         PairListAST* pairs_ptr,
+                         StatementListAST* statement_list_ptr)
+  : DeclAST(pairs_ptr)
+{
+  m_return_type_ast_ptr = return_type_ast_ptr;
+  m_ident_ptr = ident_ptr;
+  m_formal_vec_ptr = formal_vec_ptr;
+  m_statement_list_ptr = statement_list_ptr;
+}
+
+FuncDeclAST::~FuncDeclAST()
+{
+  delete m_return_type_ast_ptr;
+  delete m_ident_ptr;
+
+  int size = m_formal_vec_ptr->size();
+  for(int i=0; i<size; i++) {
+    delete (*m_formal_vec_ptr)[i];
+  }
+  delete m_formal_vec_ptr;
+  delete m_statement_list_ptr;
+}
+
+void FuncDeclAST::generate()
+{
+  Vector<Type*> type_vec;
+  Vector<string> param_vec;
+  Type* void_type_ptr = g_sym_table.getType("void");
+
+  // Generate definition code
+  g_sym_table.pushFrame();
+
+  // Lookup return type
+  Type* return_type_ptr = m_return_type_ast_ptr->lookupType();
+
+  // Generate function header
+  int size = m_formal_vec_ptr->size();
+  for(int i=0; i<size; i++) {
+    // Lookup parameter types
+    string ident;
+    Type* type_ptr = (*m_formal_vec_ptr)[i]->generate(ident);
+    type_vec.insertAtBottom(type_ptr);
+    param_vec.insertAtBottom(ident);
+  }
+
+  string body;
+  if (m_statement_list_ptr == NULL) {
+    getPairs().add("external", "yes");
+  } else {
+    m_statement_list_ptr->generate(body, return_type_ptr);
+  }
+  g_sym_table.popFrame();
+
+  StateMachine* machine_ptr = g_sym_table.getStateMachine();
+  if (machine_ptr != NULL) {
+    machine_ptr->addFunc(new Func(*m_ident_ptr, getLocation(), return_type_ptr, type_vec, param_vec, body, getPairs(), machine_ptr));
+  } else {
+    g_sym_table.newSym(new Func(*m_ident_ptr, getLocation(), return_type_ptr, type_vec, param_vec, body, getPairs(), machine_ptr));
+  }
+
+}
+
+void FuncDeclAST::print(ostream& out) const
+{
+  out << "[FuncDecl: " << *m_ident_ptr << "]";
+}