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Diffstat (limited to 'omegalib/codegen/src/CG_stringBuilder.cc')
-rw-r--r-- | omegalib/codegen/src/CG_stringBuilder.cc | 487 |
1 files changed, 0 insertions, 487 deletions
diff --git a/omegalib/codegen/src/CG_stringBuilder.cc b/omegalib/codegen/src/CG_stringBuilder.cc deleted file mode 100644 index 2f9286f..0000000 --- a/omegalib/codegen/src/CG_stringBuilder.cc +++ /dev/null @@ -1,487 +0,0 @@ -/***************************************************************************** - Copyright (C) 1994-2000 the Omega Project Team - Copyright (C) 2005-2011 Chun Chen - All Rights Reserved. - - Purpose: - generate pseudo string code - - Notes: - There is no need to check illegal NULL parameter and throw invalid_argument - in other IR interface implementation. They are for debugging purpose. - intMod implements modular function that returns positve remainder no matter - lop is postive or nagative and rop is guranteed to be positive here. - - History: - 04/17/96 - Lei Zhou - created - 08/31/09 add parenthesis to string operands, Chun Chen -*****************************************************************************/ - -#include <code_gen/CG_stringBuilder.h> -#include <code_gen/codegen_error.h> -#include <basic/util.h> -#include <string> -#include <stdexcept> -#include <ctype.h> -#include <string.h> - -namespace { - -std::string SafeguardString(const std::string &s, char op) { - int len = s.length(); - int paren_level = 0; - int num_plusminus = 0; - int num_mul = 0; - int num_div = 0; - for (int i = 0; i < len; i++) - switch (s[i]) { - case '(': - paren_level++; - break; - case ')': - paren_level--; - break; - case '+': - case '-': - if (paren_level == 0) - num_plusminus++; - break; - case '*': - if (paren_level == 0) - num_mul++; - break; - case '/': - if (paren_level == 0) - num_div++; - break; - default: - break; - } - - bool need_paren = false; - switch (op) { - case '-': - if (num_plusminus > 0) - need_paren = true; - break; - case '*': - if (num_plusminus > 0 || num_div > 0) - need_paren = true; - break; - case '/': - if (num_plusminus > 0 || num_div > 0 || num_mul > 0) - need_paren = true; - break; - default: - break; - } - - if (need_paren) - return "(" + s + ")"; - else - return s; -} - - -std::string GetIndentSpaces(int indent) { - std::string indentStr; - for (int i = 1; i < indent; i++) { - indentStr += " "; - } - return indentStr; -} - - -// A shortcut to extract the string enclosed in the CG_outputRepr and delete -// the original holder. -std::string GetString(omega::CG_outputRepr *repr) { - std::string result = static_cast<omega::CG_stringRepr *>(repr)->GetString(); - delete repr; - return result; -} - -} - - -namespace omega { - - - -//----------------------------------------------------------------------------- -// Class: CG_stringBuilder -//----------------------------------------------------------------------------- - -CG_stringRepr *CG_stringBuilder::CreateSubstitutedStmt(int indent, CG_outputRepr *stmt, - const std::vector<std::string> &vars, - std::vector<CG_outputRepr *> &subs) const { - std::string listStr = ""; - - for (int i = 0; i < subs.size(); i++) { - if (subs[i] == NULL) - listStr += "N/A"; - else - listStr += GetString(subs[i]); - if (i < subs.size() - 1) - listStr += ","; - } - - std::string stmtName = GetString(stmt); - std::string indentStr = GetIndentSpaces(indent); - - return new CG_stringRepr(indentStr + stmtName + "(" + listStr + ");\n"); -} - -CG_stringRepr *CG_stringBuilder::CreateAssignment(int indent, - CG_outputRepr *lhs, - CG_outputRepr *rhs) const { - if (lhs == NULL || rhs == NULL) - throw std::invalid_argument("missing lhs or rhs in assignment"); - - std::string lhsStr = GetString(lhs); - std::string rhsStr = GetString(rhs); - - std::string indentStr = GetIndentSpaces(indent); - - return new CG_stringRepr(indentStr + lhsStr + "=" + rhsStr + ";\n"); -} - - -CG_stringRepr *CG_stringBuilder::CreateInvoke(const std::string &funcName, - std::vector<CG_outputRepr *> &list) const { - std::string listStr = ""; - - for (int i = 0; i < list.size(); i++) { - listStr += GetString(list[i]); - if ( i < list.size()-1) - listStr += ","; - } - - return new CG_stringRepr(funcName + "(" + listStr + ")"); -} - - -CG_stringRepr *CG_stringBuilder::CreateComment(int indent, const std::string &commentText) const { - if (commentText == std::string("")) { - return NULL; - } - - std::string indentStr = GetIndentSpaces(indent); - - return new CG_stringRepr(indentStr + "// " + commentText + "\n"); -} - -CG_stringRepr* CG_stringBuilder::CreateAttribute(CG_outputRepr *control, - const std::string &commentText) const { - if (commentText == std::string("")) { - return static_cast<CG_stringRepr *> (control); - } - - std::string controlString = GetString(control); - - return new CG_stringRepr("// " + commentText + "\n" + controlString); - -} - -CG_outputRepr* CG_stringBuilder::CreatePragmaAttribute(CG_outputRepr *scopeStmt, int looplevel, const std::string &pragmaText) const { - // -- Not Implemented - return scopeStmt; -} - -CG_outputRepr* CG_stringBuilder::CreatePrefetchAttribute(CG_outputRepr* scopeStmt, int looplevel, const std::string& arrName, int hint) const { - // -- Not Implemented - return scopeStmt; -} - -CG_stringRepr *CG_stringBuilder::CreateIf(int indent, CG_outputRepr *guardList, - CG_outputRepr *true_stmtList, CG_outputRepr *false_stmtList) const { - if (guardList == NULL) - throw std::invalid_argument("missing if condition"); - - if (true_stmtList == NULL && false_stmtList == NULL) { - delete guardList; - return NULL; - } - - std::string guardListStr = GetString(guardList); - std::string indentStr = GetIndentSpaces(indent); - std::string s; - if (true_stmtList != NULL && false_stmtList == NULL) { - s = indentStr + "if (" + guardListStr + ") {\n" - + GetString(true_stmtList) - + indentStr + "}\n"; - } - else if (true_stmtList == NULL && false_stmtList != NULL) { - s = indentStr + "if !(" + guardListStr + ") {\n" - + GetString(false_stmtList) - + indentStr + "}\n"; - } - else { - s = indentStr + "if (" + guardListStr + ") {\n" - + GetString(true_stmtList) - + indentStr + "}\n" - + indentStr + "else {\n" - + GetString(false_stmtList) - + indentStr + "}\n"; - } - - return new CG_stringRepr(s); -} - - - -CG_stringRepr *CG_stringBuilder::CreateInductive(CG_outputRepr *index, - CG_outputRepr *lower, CG_outputRepr *upper, - CG_outputRepr *step) const { - if (index == NULL) - throw std::invalid_argument("missing loop index"); - if (lower == NULL) - throw std::invalid_argument("missing loop lower bound"); - if (upper == NULL) - throw std::invalid_argument("missing loop upper bound"); - if (step == NULL) - throw std::invalid_argument("missing loop step size"); - - std::string indexStr = GetString(index); - std::string lowerStr = GetString(lower); - std::string upperStr = GetString(upper); - - std::string doStr = "for(" + indexStr + " = " + lowerStr + "; " - + indexStr + " <= " + upperStr + "; " - + indexStr; - - std::string stepStr = GetString(step); - if (stepStr == to_string(1)) - doStr += "++"; - else - doStr += " += " + stepStr; - - doStr += ")"; - - return new CG_stringRepr(doStr); -} - - -CG_stringRepr *CG_stringBuilder::CreateLoop(int indent, CG_outputRepr *control, - CG_outputRepr *stmtList) const { - if (stmtList == NULL) { - delete control; - return NULL; - } - else if (control == NULL) - return static_cast<CG_stringRepr *>(stmtList); - - std::string ctrlStr = GetString(control); - std::string stmtStr = GetString(stmtList); - - std::string indentStr = GetIndentSpaces(indent); - - std::string s = indentStr + ctrlStr + " {\n" - + stmtStr - + indentStr + "}\n"; - - return new CG_stringRepr(s); -} - - - -CG_stringRepr *CG_stringBuilder::CreateInt(int num) const { - std::string s = to_string(num); - return new CG_stringRepr(s); -} - - - -bool CG_stringBuilder::isInteger(CG_outputRepr *op) const { - - char * cstr; - std::string s = GetString(op); - cstr = new char [s.size()+1]; - strcpy (cstr, s.c_str()); - int count = 0; - while(cstr[count] != '\n' && cstr[count] != '\0' ) - if( !isdigit(cstr[count])) - return false; - - - return true; -} - - - -CG_stringRepr *CG_stringBuilder::CreateIdent(const std::string &varName) const { - if (varName == std::string("")) { - return NULL; - } - - return new CG_stringRepr(varName); -} - - -CG_stringRepr *CG_stringBuilder::CreatePlus(CG_outputRepr *lop, CG_outputRepr *rop) const { - if (rop == NULL) { - return static_cast<CG_stringRepr *>(lop); - } - else if (lop == NULL) { - return static_cast<CG_stringRepr *>(rop); - } - - std::string lopStr = GetString(lop); - std::string ropStr = GetString(rop); - - return new CG_stringRepr(lopStr + "+" + ropStr); -} - - -CG_stringRepr *CG_stringBuilder::CreateMinus(CG_outputRepr *lop, CG_outputRepr *rop) const { - if (rop == NULL) { - return static_cast<CG_stringRepr *>(lop); - } - else if (lop == NULL) { - std::string ropStr = GetString(rop); - return new CG_stringRepr("-" + SafeguardString(ropStr, '-')); - } - - std::string lopStr = GetString(lop); - std::string ropStr = GetString(rop); - - return new CG_stringRepr(lopStr + "-" + SafeguardString(ropStr, '-')); -} - - -CG_stringRepr *CG_stringBuilder::CreateTimes(CG_outputRepr *lop, CG_outputRepr *rop) const { - if (rop == NULL || lop == NULL) { - delete rop; - delete lop; - return NULL; - } - - std::string lopStr = GetString(lop); - std::string ropStr = GetString(rop); - - return new CG_stringRepr(SafeguardString(lopStr, '*') + "*" + SafeguardString(ropStr, '*')); -} - - -CG_stringRepr *CG_stringBuilder::CreateDivide(CG_outputRepr *lop, CG_outputRepr *rop) const { - if (rop == NULL) - throw codegen_error("integer division by zero"); - else if (lop == NULL) { - delete rop; - return NULL; - } - - std::string lopStr = GetString(lop); - std::string ropStr = GetString(rop); - - return new CG_stringRepr(SafeguardString(lopStr, '/') + "/" + SafeguardString(ropStr, '/')); -} - - -CG_stringRepr *CG_stringBuilder::CreateIntegerFloor(CG_outputRepr *lop, CG_outputRepr *rop) const { - if (rop == NULL) - throw codegen_error("integer division by zero"); - else if (lop == NULL) { - delete rop; - return NULL; - } - - std::string lopStr = GetString(lop); - std::string ropStr = GetString(rop); - - return new CG_stringRepr("intFloor(" + lopStr + "," + ropStr + ")"); -} - - -CG_stringRepr *CG_stringBuilder::CreateIntegerMod(CG_outputRepr *lop, CG_outputRepr *rop) const { - if (rop == NULL) - throw codegen_error("integer modulo by zero"); - else if (lop == NULL) { - delete rop; - return NULL; - } - - std::string lopStr = GetString(lop); - std::string ropStr = GetString(rop); - - return new CG_stringRepr("intMod(" + lopStr + "," + ropStr + ")"); -} - -CG_stringRepr *CG_stringBuilder::CreateIntegerCeil(CG_outputRepr *lop, CG_outputRepr *rop) const { - if (rop == 0) - throw codegen_error("integer ceiling by zero"); - else if (lop == NULL) { - delete rop; - return NULL; - } - - std::string lopStr = GetString(lop); - std::string ropStr = GetString(rop); - - return new CG_stringRepr("intCeil(" + lopStr + "," + ropStr + ")"); -} - - -CG_stringRepr *CG_stringBuilder::CreateAnd(CG_outputRepr *lop, CG_outputRepr *rop) const { - if (rop == NULL) - return static_cast<CG_stringRepr *>(lop); - else if (lop == NULL) - return static_cast<CG_stringRepr *>(rop); - - std::string lopStr = GetString(lop); - std::string ropStr = GetString(rop); - - return new CG_stringRepr(lopStr + " && " + ropStr); -} - - -CG_stringRepr *CG_stringBuilder::CreateGE(CG_outputRepr *lop, CG_outputRepr *rop) const { - if (rop == NULL || lop == NULL) - throw std::invalid_argument("missing operand in greater than equal comparison condition"); - - std::string lopStr = GetString(lop); - std::string ropStr = GetString(rop); - - return new CG_stringRepr(lopStr + " >= " + ropStr); -} - - - -CG_stringRepr *CG_stringBuilder::CreateLE(CG_outputRepr *lop, CG_outputRepr *rop) const { - if (rop == NULL || lop == NULL) - throw std::invalid_argument("missing operand in less than equal comparison condition"); - - std::string lopStr = GetString(lop); - std::string ropStr = GetString(rop); - - return new CG_stringRepr(lopStr + " <= " + ropStr); -} - - - -CG_stringRepr *CG_stringBuilder::CreateEQ(CG_outputRepr *lop, CG_outputRepr *rop) const { - if (rop == NULL || lop == NULL) - throw std::invalid_argument("missing operand in equal comparison condition"); - - std::string lopStr = GetString(lop); - std::string ropStr = GetString(rop); - - return new CG_stringRepr(lopStr + " == " + ropStr); -} - - - -CG_stringRepr *CG_stringBuilder::StmtListAppend(CG_outputRepr *list1, CG_outputRepr *list2) const { - if (list2 == NULL) { - return static_cast<CG_stringRepr *>(list1); - } - else if (list1 == NULL) { - return static_cast<CG_stringRepr *>(list2); - } - - std::string list1Str = GetString(list1); - std::string list2Str = GetString(list2); - - return new CG_stringRepr(list1Str + list2Str); -} - -} |