static void insertIOFunc(void)
{ TreeNode *func;
TreeNode *typeSpec;
TreeNode *param;
TreeNode *compStmt;
func = newDeclNode(FuncK);
typeSpec = newTypeNode(FuncK);
typeSpec->attr.type = INT;
func->type = Integer;
compStmt = newStmtNode(CompK);
compStmt->child[0] = NULL; // no local var
compStmt->child[1] = NULL; // no stmt
func->lineno = 0;
func->attr.name = "input";
func->child[0] = typeSpec;
func->child[1] = NULL; // no param
func->child[2] = compStmt;
st_insert("input", -1, addLocation(), func);
func = newDeclNode(FuncK);
typeSpec = newTypeNode(FuncK);
typeSpec->attr.type = VOID;
func->type = Void;
param = newParamNode(NonArrParamK);
param->attr.name = "arg";
param->child[0] = newTypeNode(FuncK);
param->child[0]->attr.type = INT;
compStmt = newStmtNode(CompK);
compStmt->child[0] = NULL; // no local var
compStmt->child[1] = NULL; // no stmt
func->lineno = 0;
func->attr.name = "output";
func->child[0] = typeSpec;
func->child[1] = param;
func->child[2] = compStmt;
st_insert("output", -1, addLocation(), func);
}
static void insertBultinFunctions(TreeNode **_pSyntaxtree)
{
TreeNode *inputFunctionNode = NULL;
TreeNode *outputFunctionNode = NULL;
inputFunctionNode = newDeclNode(FunK);
outputFunctionNode = newDeclNode(FunK);
inputFunctionNode->name = copyString("input");
outputFunctionNode->name = copyString("output");
inputFunctionNode->lineno = 0;
outputFunctionNode->lineno = 0;
inputFunctionNode->nArguments = 0;
outputFunctionNode->nArguments = 1;
inputFunctionNode->detailKind.kindInDecl = FunK;
outputFunctionNode->detailKind.kindInDecl = FunK;
inputFunctionNode->bReturnWithValue = 1;
outputFunctionNode->bReturnWithValue = 0;
inputFunctionNode->bDataType = Integer;
outputFunctionNode->bDataType = Void;
outputFunctionNode->child[0] = newDeclNode(ParamK);
outputFunctionNode->child[0]->name = copyString("arg");
outputFunctionNode->child[0]->lineno = 0;
outputFunctionNode->child[0]->bDataType = Integer;
outputFunctionNode->child[0]->sibling = NULL;
inputFunctionNode->sibling = *_pSyntaxtree;
*_pSyntaxtree = inputFunctionNode;
outputFunctionNode->sibling = *_pSyntaxtree;
*_pSyntaxtree = outputFunctionNode;
}
