CHLLCode Class Reference

#include <codegen/chllcode.h>

Inheritance diagram for CHLLCode:

Detailed Description

Outputs C code.

Definition at line 84 of file chllcode.h.

Public Member Functions

virtual void AddAssignmentStatement (int indLevel, Assign *asgn)

Prints an assignment expression.

virtual void AddBreak (int indLevel)

Adds: break;.

virtual void AddCallStatement (int indLevel, Proc *proc, const char *name, StatementList &args, StatementList *results)

Adds a call to proc.

virtual void AddCaseCondElse (int indLevel)

Adds: default:.

virtual void AddCaseCondEnd (int indLevel)

Adds: }.

virtual void AddCaseCondHeader (int indLevel, Exp *cond)

Adds: switch(cond) {.

virtual void AddCaseCondOption (int indLevel, Exp *opt)

Adds: case opt :.

virtual void AddCaseCondOptionEnd (int indLevel)

Adds: break;.

virtual void AddContinue (int indLevel)

Adds: continue;.

virtual void AddEndlessLoopEnd (int indLevel)

Adds: }.

virtual void AddEndlessLoopHeader (int indLevel)

Adds: for(;;) {.

virtual void AddGlobal (const char *name, Type *type, Exp *init=NULL)

Add the declaration for a global.

virtual void AddGoto (int indLevel, int ord)

Adds: goto L ord.

virtual void AddIfCondEnd (int indLevel)

Adds: }.

virtual void AddIfCondHeader (int indLevel, Exp *cond)

Adds: if(cond) {.

virtual void AddIfElseCondEnd (int indLevel)

Adds: }.

virtual void AddIfElseCondHeader (int indLevel, Exp *cond)

Adds: if(cond) {.

virtual void AddIfElseCondOption (int indLevel)

Adds: } else {.

virtual void AddIndCallStatement (int indLevel, Exp *exp, StatementList &args, StatementList *results)

Adds an indirect call to exp.

virtual void AddLabel (int indLevel, int ord)

Adds: L ord :.

virtual void AddLineComment (char *cmt)

Adds one line of comment to the code.

virtual void AddLocal (const char *name, Type *type, bool last=false)

Declare a local variable.

virtual void AddPosttestedLoopEnd (int indLevel, Exp *cond)

Adds: } while (cond);.

virtual void AddPosttestedLoopHeader (int indLevel)

Adds: do {.

virtual void AddPretestedLoopEnd (int indLevel)

Adds: }.

virtual void AddPretestedLoopHeader (int indLevel, Exp *cond)

Adds: while( cond) {.

virtual void AddProcEnd ()

Adds: }.

virtual void AddProcStart (UserProc *proc)

Print the start of a function, and also as a comment its address.

virtual void AddPrototype (UserProc *proc)

Add a prototype (for forward declaration).

virtual void AddReturnStatement (int indLevel, StatementList *rets)

Adds a return statement and returns the first expression in rets.

CHLLCode (UserProc *p)

Empty constructor, calls HLLCode(p).

CHLLCode ()

Empty constructor, calls HLLCode().

virtual void print (std::ostream &os)

Dump all generated code to os.

virtual void RemoveLabel (int ord)

Search for the label L ord and remove it from the generated code.

virtual void RemoveUnusedLabels (int maxOrd)

Removes labels from the code which are not in usedLabels.

virtual void reset ()

Remove all generated code.

virtual ~CHLLCode ()

Empty destructor.

Private Member Functions

void AddProcDec (UserProc *proc, bool open)

Print the declaration of a function.

void appendExp (std::ostringstream &str, Exp *exp, PREC curPrec, bool uns=false)

void appendLine (const std::string &s)

void appendLine (const std::ostringstream &ostr)

void appendType (std::ostringstream &str, Type *typ)

Print the type represented by typ to str.

void appendTypeIdent (std::ostringstream &str, Type *typ, const char *ident)

Print the indented type to str.

void closeParen (std::ostringstream &str, PREC outer, PREC inner)

Adds: ).

void indent (std::ostringstream &str, int indLevel)

Output 4 * indLevel spaces to str.

void openParen (std::ostringstream &str, PREC outer, PREC inner)

Adds: (.

Private Attributes

std::list< char * > lines

The generated code.

std::map< std::string, Type * > locals

All locals in a Proc.

std::set< int > usedLabels

All used goto labels.

Constructor & Destructor Documentation

CHLLCode::CHLLCode ( )

Empty constructor, calls HLLCode().

Definition at line 50 of file chllcode.cpp.

CHLLCode::CHLLCode ( UserProc * p )

Empty constructor, calls HLLCode(p).

Definition at line 55 of file chllcode.cpp.

CHLLCode::~CHLLCode ( ) [virtual]

Empty destructor.

Definition at line 60 of file chllcode.cpp.

Member Function Documentation

void CHLLCode::AddAssignmentStatement ( int indLevel,

Assign * asgn

) [virtual]

Prints an assignment expression.

Implements HLLCode.
Definition at line 1209 of file chllcode.cpp.
References Boomerang::get(), Prog::getFrontEndId(), Assignment::getLeft(), Exp::getOper(), Statement::getProc(), Proc::getProg(), Assign::getRight(), Exp::getSubExp1(), TypingStatement::getType(), indent(), isBareMemof(), HLLCode::m_proc, opFsize, opPC, opRegOf, PLAT_SPARC, result, and Exp::search().

void CHLLCode::AddBreak ( int indLevel ) [virtual]

Adds: break;.

Implements HLLCode.
Definition at line 1168 of file chllcode.cpp.
References appendLine(), and indent().

void CHLLCode::AddCallStatement ( int indLevel,

Proc * proc,

const char * name,

StatementList & args,

StatementList * results

) [virtual]

Adds a call to proc.

Parameters:

indLevel A string containing spaces to the indentation level.

proc The Proc the call is to.

name The name the Proc has.

args The arguments to the call.

results The variable that will receive the return value of the function.

Todo:
Remove the name parameter and use Proc::getName()
Add assingment for when the function returns a struct.

Implements HLLCode.
Definition at line 1336 of file chllcode.cpp.
References appendExp(), StatementList::begin(), indent(), PREC_ASSIGN, and StatementList::size().

void CHLLCode::AddCaseCondElse ( int indLevel ) [virtual]

Adds: default:.

Implements HLLCode.
Definition at line 1070 of file chllcode.cpp.
References appendLine(), and indent().

void CHLLCode::AddCaseCondEnd ( int indLevel ) [virtual]

Adds: }.

Implements HLLCode.
Definition at line 1079 of file chllcode.cpp.
References appendLine(), and indent().

void CHLLCode::AddCaseCondHeader ( int indLevel,

Exp * cond

) [virtual]

Adds: switch(cond) {.

Implements HLLCode.
Definition at line 1039 of file chllcode.cpp.
References appendExp(), appendLine(), indent(), and PREC_NONE.

void CHLLCode::AddCaseCondOption ( int indLevel,

Exp * opt

) [virtual]

Adds: case opt :.

Implements HLLCode.
Definition at line 1050 of file chllcode.cpp.
References appendExp(), appendLine(), indent(), and PREC_NONE.

void CHLLCode::AddCaseCondOptionEnd ( int indLevel ) [virtual]

Adds: break;.

Implements HLLCode.
Definition at line 1061 of file chllcode.cpp.
References appendLine(), and indent().

void CHLLCode::AddContinue ( int indLevel ) [virtual]

Adds: continue;.

Implements HLLCode.
Definition at line 1160 of file chllcode.cpp.
References appendLine(), and indent().

void CHLLCode::AddEndlessLoopEnd ( int indLevel ) [virtual]

Adds: }.

Implements HLLCode.
Definition at line 1012 of file chllcode.cpp.
References appendLine(), and indent().

void CHLLCode::AddEndlessLoopHeader ( int indLevel ) [virtual]

Adds: for(;;) {.

Implements HLLCode.
Definition at line 1004 of file chllcode.cpp.
References appendLine(), and indent().

void CHLLCode::AddGlobal ( const char * name,

Type * type,

Exp * init = NULL

) [virtual]

Add the declaration for a global.

Parameters:

init The initial value of the global.

Implements HLLCode.
Definition at line 1602 of file chllcode.cpp.
References appendType(), and Type::isArray().

void CHLLCode::AddGoto ( int indLevel,

int ord

) [virtual]

Adds: goto L ord.

Implements HLLCode.
Definition at line 1132 of file chllcode.cpp.
References appendLine(), indent(), and usedLabels.

void CHLLCode::AddIfCondEnd ( int indLevel ) [virtual]

Adds: }.

Implements HLLCode.
Definition at line 1098 of file chllcode.cpp.
References appendLine(), and indent().

void CHLLCode::AddIfCondHeader ( int indLevel,

Exp * cond

) [virtual]

Adds: if(cond) {.

Implements HLLCode.
Definition at line 1088 of file chllcode.cpp.
References appendExp(), appendLine(), indent(), and PREC_NONE.

void CHLLCode::AddIfElseCondEnd ( int indLevel ) [virtual]

Adds: }.

Implements HLLCode.
Definition at line 1124 of file chllcode.cpp.
References appendLine(), and indent().

void CHLLCode::AddIfElseCondHeader ( int indLevel,

Exp * cond

) [virtual]

Adds: if(cond) {.

Implements HLLCode.
Definition at line 1106 of file chllcode.cpp.
References appendExp(), appendLine(), indent(), and PREC_NONE.

void CHLLCode::AddIfElseCondOption ( int indLevel ) [virtual]

Adds: } else {.

Implements HLLCode.
Definition at line 1116 of file chllcode.cpp.
References appendLine(), and indent().

void CHLLCode::AddIndCallStatement ( int indLevel,

Exp * exp,

StatementList & args,

StatementList * results

) [virtual]

Adds an indirect call to exp.

See also:
AddCallStatement

Parameters:

results UNUSED

Todo:
Add the use of results like AddCallStatement.

Implements HLLCode.
Definition at line 1401 of file chllcode.cpp.
References appendExp(), StatementList::begin(), StatementList::end(), indent(), PREC_COMMA, and PREC_NONE.

void CHLLCode::AddLabel ( int indLevel,

int ord

) [virtual]

Adds: L ord :.

Implements HLLCode.
Definition at line 1176 of file chllcode.cpp.
References appendLine().

void CHLLCode::AddLineComment ( char * cmt ) [virtual]

Adds one line of comment to the code.

Implements HLLCode.
Definition at line 1645 of file chllcode.cpp.
References appendLine().

void CHLLCode::AddLocal ( const char * name,

Type * type,

bool last = false

) [virtual]

Declare a local variable.

Parameters:

last true if an empty line should be added.

Implements HLLCode.
Definition at line 1573 of file chllcode.cpp.
References appendExp(), appendLine(), appendTypeIdent(), Type::clone(), UserProc::expFromSymbol(), Exp::getOper(), Exp::getSubExp1(), indent(), locals, HLLCode::m_proc, opGlobal, opParam, opSubscript, PREC_NONE, and Exp::print().

void CHLLCode::AddPosttestedLoopEnd ( int indLevel,

Exp * cond

) [virtual]

Adds: } while (cond);.

Implements HLLCode.
Definition at line 1028 of file chllcode.cpp.
References appendExp(), appendLine(), indent(), and PREC_NONE.

void CHLLCode::AddPosttestedLoopHeader ( int indLevel ) [virtual]

Adds: do {.

Implements HLLCode.
Definition at line 1020 of file chllcode.cpp.
References appendLine(), and indent().

void CHLLCode::AddPretestedLoopEnd ( int indLevel ) [virtual]

Adds: }.

Implements HLLCode.
Definition at line 996 of file chllcode.cpp.
References appendLine(), and indent().

void CHLLCode::AddPretestedLoopHeader ( int indLevel,

Exp * cond

) [virtual]

Adds: while( cond) {.

Implements HLLCode.
Definition at line 983 of file chllcode.cpp.
References appendExp(), appendLine(), indent(), and PREC_NONE.

void CHLLCode::AddProcDec ( UserProc * proc,

bool open

) [private]

Print the declaration of a function.

Parameters:

open False if this is just a prototype and ";" should be printed instead of "{"

Definition at line 1483 of file chllcode.cpp.
References Signature::getNumReturns(), Proc::getProg(), Signature::getReturnExp(), Signature::getReturnType(), Proc::getSignature(), Signature::getStackRegister(), UserProc::getTheReturnStatement(), Signature::isForced(), Exp::isRegN(), and NULL.
Referenced by AddProcStart(), and AddPrototype().

void CHLLCode::AddProcEnd ( ) [virtual]

Adds: }.

Implements HLLCode.
Definition at line 1564 of file chllcode.cpp.
References appendLine().

void CHLLCode::AddProcStart ( UserProc * proc ) [virtual]

Print the start of a function, and also as a comment its address.

Implements HLLCode.
Definition at line 1467 of file chllcode.cpp.
References AddProcDec(), appendLine(), and Proc::getNativeAddress().

void CHLLCode::AddPrototype ( UserProc * proc ) [virtual]

Add a prototype (for forward declaration).

Implements HLLCode.
Definition at line 1475 of file chllcode.cpp.
References AddProcDec().

void CHLLCode::AddReturnStatement ( int indLevel,

StatementList * rets

) [virtual]

Adds a return statement and returns the first expression in rets.

Todo:
This should be returning a struct if more than one real return value.

Implements HLLCode.
Definition at line 1427 of file chllcode.cpp.
References appendExp(), StatementList::begin(), StatementList::end(), Boomerang::get(), Signature::getNumReturns(), Proc::getSignature(), indent(), HLLCode::m_proc, PREC_NONE, and StatementList::size().

void CHLLCode::appendExp ( std::ostringstream & str,

Exp * exp,

PREC curPrec,

bool uns = false

) [private]

Definition at line 82 of file chllcode.cpp.
References Exp::getOper(), Exp::isTypedExp(), UserProc::lookupSym(), HLLCode::m_proc, NULL, and progress.
Referenced by AddCallStatement(), AddCaseCondHeader(), AddCaseCondOption(), AddIfCondHeader(), AddIfElseCondHeader(), AddIndCallStatement(), AddLocal(), AddPosttestedLoopEnd(), AddPretestedLoopHeader(), and AddReturnStatement().

void CHLLCode::appendLine ( const std::string & s ) [private]

Definition at line 1657 of file chllcode.cpp.
References lines.

void CHLLCode::appendLine ( const std::ostringstream & ostr ) [private]

Definition at line 1653 of file chllcode.cpp.
Referenced by AddBreak(), AddCaseCondElse(), AddCaseCondEnd(), AddCaseCondHeader(), AddCaseCondOption(), AddCaseCondOptionEnd(), AddContinue(), AddEndlessLoopEnd(), AddEndlessLoopHeader(), AddGoto(), AddIfCondEnd(), AddIfCondHeader(), AddIfElseCondEnd(), AddIfElseCondHeader(), AddIfElseCondOption(), AddLabel(), AddLineComment(), AddLocal(), AddPosttestedLoopEnd(), AddPosttestedLoopHeader(), AddPretestedLoopEnd(), AddPretestedLoopHeader(), AddProcEnd(), and AddProcStart().

void CHLLCode::appendType ( std::ostringstream & str,

Type * typ

) [private]

Print the type represented by typ to str.

Definition at line 927 of file chllcode.cpp.
References Type::asArray(), Type::asPointer(), ArrayType::getBaseType(), PointerType::getPointsTo(), NULL, Type::resolvesToArray(), and Type::resolvesToPointer().
Referenced by AddGlobal(), and appendTypeIdent().

void CHLLCode::appendTypeIdent ( std::ostringstream & str,

Type * typ,

const char * ident

) [private]

Print the indented type to str.

Definition at line 946 of file chllcode.cpp.
References appendType(), Type::asArray(), Type::asPointer(), ArrayType::getBaseType(), PointerType::getPointsTo(), Type::isArray(), Type::isPointer(), and NULL.
Referenced by AddLocal().

void CHLLCode::closeParen ( std::ostringstream & str,

PREC outer,

PREC inner

) [inline, private]

Adds: ).

Definition at line 97 of file chllcode.h.

void CHLLCode::indent ( std::ostringstream & str,

int indLevel

) [private]

Output 4 * indLevel spaces to str.

Definition at line 65 of file chllcode.cpp.
Referenced by AddAssignmentStatement(), AddBreak(), AddCallStatement(), AddCaseCondElse(), AddCaseCondEnd(), AddCaseCondHeader(), AddCaseCondOption(), AddCaseCondOptionEnd(), AddContinue(), AddEndlessLoopEnd(), AddEndlessLoopHeader(), AddGoto(), AddIfCondEnd(), AddIfCondHeader(), AddIfElseCondEnd(), AddIfElseCondHeader(), AddIfElseCondOption(), AddIndCallStatement(), AddLocal(), AddPosttestedLoopEnd(), AddPosttestedLoopHeader(), AddPretestedLoopEnd(), AddPretestedLoopHeader(), and AddReturnStatement().

void CHLLCode::openParen ( std::ostringstream & str,

PREC outer,

PREC inner

) [inline, private]

Adds: (.

Definition at line 94 of file chllcode.h.

void CHLLCode::print ( std::ostream & os ) [virtual]

Dump all generated code to os.

Implements HLLCode.
Definition at line 1637 of file chllcode.cpp.
References lines, HLLCode::m_proc, and NULL.

void CHLLCode::RemoveLabel ( int ord ) [virtual]

Search for the label L ord and remove it from the generated code.

Implements HLLCode.
Definition at line 1183 of file chllcode.cpp.
References lines.

void CHLLCode::RemoveUnusedLabels ( int maxOrd ) [virtual]

Removes labels from the code which are not in usedLabels.

Parameters:

maxOrd UNUSED

Implements HLLCode.
Definition at line 1144 of file chllcode.cpp.
References lines, and usedLabels.

void CHLLCode::reset ( ) [virtual]

Remove all generated code.

Reimplemented from HLLCode.
Definition at line 978 of file chllcode.cpp.
References lines.

Member Data Documentation

std::list<char *> CHLLCode::lines [private]

The generated code.

Definition at line 87 of file chllcode.h.
Referenced by appendLine(), print(), RemoveLabel(), RemoveUnusedLabels(), and reset().

std::map<std::string, Type*> CHLLCode::locals [private]

All locals in a Proc.

Definition at line 104 of file chllcode.h.
Referenced by AddLocal().

std::set<int> CHLLCode::usedLabels [private]

All used goto labels.

Definition at line 107 of file chllcode.h.
Referenced by AddGoto(), and RemoveUnusedLabels().

The documentation for this class was generated from the following files:

Generated on Tue Sep 19 21:18:41 2006 for Boomerang by

1.4.6


Public Member Functions
virtual void	AddAssignmentStatement (int indLevel, Assign *asgn)
	Prints an assignment expression.
virtual void	AddBreak (int indLevel)
	Adds: break;.
virtual void	AddCallStatement (int indLevel, Proc proc, const char name, StatementList &args, StatementList *results)
	Adds a call to proc.
virtual void	AddCaseCondElse (int indLevel)
	Adds: default:.
virtual void	AddCaseCondEnd (int indLevel)
	Adds: }.
virtual void	AddCaseCondHeader (int indLevel, Exp *cond)
	Adds: switch(cond) {.
virtual void	AddCaseCondOption (int indLevel, Exp *opt)
	Adds: case opt :.
virtual void	AddCaseCondOptionEnd (int indLevel)
	Adds: break;.
virtual void	AddContinue (int indLevel)
	Adds: continue;.
virtual void	AddEndlessLoopEnd (int indLevel)
	Adds: }.
virtual void	AddEndlessLoopHeader (int indLevel)
	Adds: for(;;) {.
virtual void	AddGlobal (const char name, Type type, Exp *init=NULL)
	Add the declaration for a global.
virtual void	AddGoto (int indLevel, int ord)
	Adds: goto L ord.
virtual void	AddIfCondEnd (int indLevel)
	Adds: }.
virtual void	AddIfCondHeader (int indLevel, Exp *cond)
	Adds: if(cond) {.
virtual void	AddIfElseCondEnd (int indLevel)
	Adds: }.
virtual void	AddIfElseCondHeader (int indLevel, Exp *cond)
	Adds: if(cond) {.
virtual void	AddIfElseCondOption (int indLevel)
	Adds: } else {.
virtual void	AddIndCallStatement (int indLevel, Exp exp, StatementList &args, StatementList results)
	Adds an indirect call to exp.
virtual void	AddLabel (int indLevel, int ord)
	Adds: L ord :.
virtual void	AddLineComment (char *cmt)
	Adds one line of comment to the code.
virtual void	AddLocal (const char name, Type type, bool last=false)
	Declare a local variable.
virtual void	AddPosttestedLoopEnd (int indLevel, Exp *cond)
	Adds: } while (cond);.
virtual void	AddPosttestedLoopHeader (int indLevel)
	Adds: do {.
virtual void	AddPretestedLoopEnd (int indLevel)
	Adds: }.
virtual void	AddPretestedLoopHeader (int indLevel, Exp *cond)
	Adds: while( cond) {.
virtual void	AddProcEnd ()
	Adds: }.
virtual void	AddProcStart (UserProc *proc)
	Print the start of a function, and also as a comment its address.
virtual void	AddPrototype (UserProc *proc)
	Add a prototype (for forward declaration).
virtual void	AddReturnStatement (int indLevel, StatementList *rets)
	Adds a return statement and returns the first expression in rets.
	CHLLCode (UserProc *p)
	Empty constructor, calls HLLCode(p).
	CHLLCode ()
	Empty constructor, calls HLLCode().
virtual void	print (std::ostream &os)
	Dump all generated code to os.
virtual void	RemoveLabel (int ord)
	Search for the label L ord and remove it from the generated code.
virtual void	RemoveUnusedLabels (int maxOrd)
	Removes labels from the code which are not in usedLabels.
virtual void	reset ()
	Remove all generated code.
virtual	~CHLLCode ()
	Empty destructor.
Private Member Functions
void	AddProcDec (UserProc *proc, bool open)
	Print the declaration of a function.
void	appendExp (std::ostringstream &str, Exp *exp, PREC curPrec, bool uns=false)
void	appendLine (const std::string &s)
void	appendLine (const std::ostringstream &ostr)
void	appendType (std::ostringstream &str, Type *typ)
	Print the type represented by typ to str.
void	appendTypeIdent (std::ostringstream &str, Type typ, const char ident)
	Print the indented type to str.
void	closeParen (std::ostringstream &str, PREC outer, PREC inner)
	Adds: ).
void	indent (std::ostringstream &str, int indLevel)
	Output 4 * indLevel spaces to str.
void	openParen (std::ostringstream &str, PREC outer, PREC inner)
	Adds: (.
Private Attributes
std::list< char * >	lines
	The generated code.
std::map< std::string, Type * >	locals
	All locals in a Proc.
std::set< int >	usedLabels
	All used goto labels.