VM::AssemblerFile_Plaintext Class Reference

Represents a plaintext assembler input file. More...

#include <tasm-file.h>

Inheritance diagram for VM::AssemblerFile_Plaintext:

[legend]Collaboration diagram for VM::AssemblerFile_Plaintext:

[legend]List of all members.


Public Member Functions
	AssemblerFile_Plaintext ()
	Create "empty" file; use ParseFile() to read content.
	~AssemblerFile_Plaintext ()
	Destroy all the content.
int	ParseFile (const TLString &fname, SError &error, uint32 file_num)
	Read in a file; see base class. [overriding virtual].
int	WriteFile (const TLString &fname, SError &error)
	Write file; see base class. [overriding virtual].
int	WriteFunctionProgram (FILE fp, ProgramStorage::Function pfunc)
	ONLY for debugging:.
Protected Member Functions
void	_LexNextToken ()
	Get next token and store it in the lookahead token *tok.
TextAsmScanner::TokID	_CurrTokID ()
	Return current token ID, properly casted.
void	_ExpectError (const char *str)
	Report parse error (expected something else). Use location in *tok.
void	_AlreadySetError ()
	Report error because current property is already set.
void	_LocFirstDefError (const SCLocation &loc)
	Report "this is the location of the first definition" error.
VarType	_ParseVarType (const TextAsmScanner::Token::Type *t)
	Parse a TextAsmScanner::Token::Type into a VarType.
FuncType	_ParseFuncType (char ftype)
	Parse a function type ID (func/meth/vmeth).
void	_SkipUntilPop (uint32 num, TextAsmScanner::TokID skip_a, TextAsmScanner::TokID skip_b=TextAsmScanner::T_EOF)
NamespaceInfo *	_CheckNspcNameKnown (NamespaceInfo *parent, const TLString &name)
	Check if passed name is already known as child of *parent.
void	_ParseInfoSection ()
	Parse the "info:" section.
void	_ParseSymbolSection ()
	Parse the "symbols:" section.
void	_ParseLocationSection ()
	Parse the "locations:" section.
void	_ParseProgramSection ()
	Parse the "program:" instructions section.
void	_ParseSymbols_Namespace (NamespaceInfo *parent)
	Parse namespace block in symbols section.
void	_ParseSymbols_Class (NamespaceInfo *parent)
	Parse class block in symbols section.
void	_ParseSymbols_Symbols (NamespaceInfo *parent)
	Parse symbol (function provide) block in symbols section.
void	_ParseSymbols_Global ()
	Parse {p,v}global block in symbols section.
void	_ParseSymbols_Class_Base (ClassInfo *parent)
	Parse "base" block in class spec in symbols section.
void	_ParseSymbols_Class_VTable (ClassInfo *parent)
	Parse "vtable" block in class spec in symbols section.
void	_ParseSymbols_Class_Size (ClassInfo *parent)
	Parse size block (member var entries) of class in symbols section.
void	_ParseProgram_Label ()
	Parse {m,s}label in program section.
void	_ParseProgram_FinishFunction ()
	Finish a function if there is one.
int	_WriteFunctionProgram (FILE fp, ProgramStorage::Function pfunc)
	Write program instructions of a function.
int	_WriteSymbolSectionContent (FILE *fp)
	Write symbol section content recursively.
int	_WriteSymbols_Recursive (StringTreeDump &out, NamespaceInfo *ni)
	Internally used by _WriteSymbolSectionContent():.
int	_WriteSymbols_Global (StringTreeDump &out, _GlobVars *gvar, char which)
	Internally used by _WriteSymbolSectionContent():.
int	_MustDumpNamespace (NamespaceInfo *ni)
Protected Attributes
TextAsmScanner	scan
	Scanner used for lexical analysis.
int	n_errors
	Number of parsing errors.
IDMapTable< CodeMark, PrgAdr >	codemark2prgadr
	This is the CodeMark -> PrgAdr map used to resolve relative jumps.
TLArrayHeap< RJumpEntry, RJumpEntry_Operators > *	prgadr2codemark
	This is the reverse "table" used to write assembly with jumps.
TextAsmScanner::Token *	tok
	Lookahead token.
Private Member Functions
	AssemblerFile_Plaintext (const AssemblerFile_Plaintext &)
	Do not use:.
void	operator= (const AssemblerFile_Plaintext &)
	Do not use:.

Detailed Description

Represents a plaintext assembler input file.

Author:: Wolfgang Wieser ] wwieser (a) gmx <*> de [

Contains all information of the (one represented) plaintext assembler input file.

This class is NOT C++-safe.

Definition at line 52 of file tasm-file.h.

Constructor & Destructor Documentation

VM::AssemblerFile_Plaintext::AssemblerFile_Plaintext ( const AssemblerFile_Plaintext & ) [private]

Do not use:.

VM::AssemblerFile_Plaintext::AssemblerFile_Plaintext ( )

Create "empty" file; use ParseFile() to read content.

Definition at line 454 of file tasm-file.cc.

VM::AssemblerFile_Plaintext::~AssemblerFile_Plaintext ( )

Destroy all the content.

Definition at line 465 of file tasm-file.cc.
References DELETE(), and prgadr2codemark.

Member Function Documentation

void VM::AssemblerFile_Plaintext::_AlreadySetError ( ) [protected]

Report error because current property is already set.

Definition at line 39 of file parser.cc.
References _CurrTokID(), Assert, Error(), n_errors, scan, tok, and TextAsmScanner::TokID2String().
Referenced by _ParseSymbols_Class(), _ParseSymbols_Class_Base(), _ParseSymbols_Class_Size(), and _ParseSymbols_Class_VTable().

NamespaceInfo * VM::AssemblerFile_Plaintext::_CheckNspcNameKnown ( NamespaceInfo * parent,

const TLString & name

) [protected]

Check if passed name is already known as child of *parent.

Definition at line 198 of file parser.cc.
References _LocFirstDefError(), Error(), VM::NamespaceInfo::map_name2child, TLBTree< NamespaceInfo *, PtrListOperators< NamespaceInfo > >::search(), and tok.
Referenced by _ParseSymbols_Class(), and _ParseSymbols_Namespace().

TextAsmScanner::TokID VM::AssemblerFile_Plaintext::_CurrTokID ( ) [inline, protected]

Return current token ID, properly casted.

Definition at line 103 of file tasm-file.h.
References tok.
Referenced by _AlreadySetError(), _ExpectError(), _ParseInfoSection(), _ParseProgram_Label(), _ParseProgramSection(), _ParseSymbols_Class(), _ParseSymbols_Class_Base(), _ParseSymbols_Class_Size(), _ParseSymbols_Class_VTable(), _ParseSymbols_Global(), _ParseSymbols_Namespace(), _ParseSymbols_Symbols(), _ParseSymbolSection(), _SkipUntilPop(), and ParseFile().

void VM::AssemblerFile_Plaintext::_ExpectError ( const char * str ) [protected]

Report parse error (expected something else). Use location in *tok.

Definition at line 26 of file parser.cc.
References _CurrTokID(), Error(), n_errors, scan, tok, and TextAsmScanner::TokID2String().
Referenced by _ParseInfoSection(), _ParseProgramSection(), _ParseSymbols_Class(), _ParseSymbols_Class_Base(), _ParseSymbols_Class_Size(), _ParseSymbols_Class_VTable(), _ParseSymbols_Global(), _ParseSymbols_Namespace(), _ParseSymbols_Symbols(), _ParseSymbolSection(), and ParseFile().

void VM::AssemblerFile_Plaintext::_LexNextToken ( ) [inline, protected]

Get next token and store it in the lookahead token *tok.

Definition at line 95 of file tasm-file.h.
References scan, TextAsmScanner::Token::str_val, and tok.
Referenced by _ParseInfoSection(), _ParseProgram_Label(), _ParseProgramSection(), _ParseSymbols_Class(), _ParseSymbols_Class_Base(), _ParseSymbols_Class_Size(), _ParseSymbols_Class_VTable(), _ParseSymbols_Global(), _ParseSymbols_Namespace(), _ParseSymbols_Symbols(), _ParseSymbolSection(), _SkipUntilPop(), and ParseFile().

void VM::AssemblerFile_Plaintext::_LocFirstDefError ( const SCLocation & loc ) [protected]

Report "this is the location of the first definition" error.

Definition at line 47 of file parser.cc.
References Error(), and n_errors.
Referenced by _CheckNspcNameKnown(), _ParseProgram_Label(), and _ParseSymbols_Class().

int VM::AssemblerFile_Plaintext::_MustDumpNamespace ( NamespaceInfo * ni ) [protected]

Decide whether we need to emit the passed namespace.
Returns 2 -> need class info, 1 -> namespace, 0 -> no
Definition at line 155 of file tasm-file.cc.
References Assert, VM::NamespaceInfo::down, LinkedList< NamespaceInfo >::first(), VM::ClassInfo::need_cast, VM::ClassInfo::need_construct, LinkedListBase< NamespaceInfo >::next, and VM::NamespaceInfo::nstype.
Referenced by _WriteSymbols_Recursive().

FuncType VM::AssemblerFile_Plaintext::_ParseFuncType ( char ftype ) [protected]

Parse a function type ID (func/meth/vmeth).

Definition at line 81 of file parser.cc.
References Assert.
Referenced by _ParseSymbols_Symbols().

void VM::AssemblerFile_Plaintext::_ParseInfoSection ( ) [protected]

Parse the "info:" section.

Definition at line 738 of file parser.cc.
References _CurrTokID(), _ExpectError(), _LexNextToken(), TextAsmScanner::Token::str_val, and tok.
Referenced by ParseFile().

void VM::AssemblerFile_Plaintext::_ParseLocationSection ( ) [protected]

Parse the "locations:" section.

Definition at line 812 of file parser.cc.
References CritAssert.
Referenced by ParseFile().

void VM::AssemblerFile_Plaintext::_ParseProgram_FinishFunction ( ) [protected]

Finish a function if there is one.

Definition at line 125 of file parser.cc.
References VM::ProgramStorage::AddFunction(), IDMapTable< CodeMark, PrgAdr >::clear(), VM::CodeMark, codemark2prgadr, VM::INST::DescEntry::codemark_off, Error(), VM::InstructionStorage::index(), TextAsmScanner::insn_storage, VM::InstructionStorage::InstructionAt(), int32, VM::InstructionStorage::length(), VM::ProgramStorage::Function::loc, IDMapTable< CodeMark, PrgAdr >::lookup(), n_errors, VM::PrgAdr, scan, VM::INST::DescEntry::size, VM::ProgramStorage::Function::symref, VM::InstructionStorage::TightenSize(), uint, and Warning().
Referenced by _ParseProgram_Label(), and _ParseProgramSection().

void VM::AssemblerFile_Plaintext::_ParseProgram_Label ( ) [protected]

Parse {m,s}label in program section.

Definition at line 819 of file parser.cc.
References _CurrTokID(), _LexNextToken(), _LocFirstDefError(), _ParseProgram_FinishFunction(), IDMapTable< CodeMark, PrgAdr >::AddNode(), Assert, TextAsmScanner::Token::codemark, codemark2prgadr, DELETE(), Error(), TextAsmScanner::insn_storage, VM::InstructionStorage::length(), VM::ProgramStorage::Function::loc, VM::NamespaceInfo::map_name2symbol, n_errors, VM::NamespaceInfo::name, scan, TLBTree< SymbolEntryE *, PtrListOperators< SymbolEntryE > >::search(), TLString::sprintf(), TextAsmScanner::Token::str_val, TextAsmScanner::Token::symref, tok, and uint.
Referenced by _ParseProgramSection().

void VM::AssemblerFile_Plaintext::_ParseProgramSection ( ) [protected]

Parse the "program:" instructions section.

Definition at line 960 of file parser.cc.
References _CurrTokID(), _ExpectError(), _LexNextToken(), _ParseProgram_FinishFunction(), _ParseProgram_Label(), and tok.
Referenced by ParseFile().

void VM::AssemblerFile_Plaintext::_ParseSymbols_Class ( NamespaceInfo * parent ) [protected]

Parse class block in symbols section.

Definition at line 651 of file parser.cc.
References _AlreadySetError(), _CheckNspcNameKnown(), _CurrTokID(), _ExpectError(), _LexNextToken(), _LocFirstDefError(), _ParseSymbols_Class_Base(), _ParseSymbols_Class_Size(), _ParseSymbols_Class_VTable(), _ParseSymbols_Symbols(), ImplicitMapTable< ClassInfo, TypeID, ImplicitMapOperators< ClassInfo, TypeID, ORD_TypeID > >::AddNode(), VM::NamespaceInfo::asm_loc, Assert, DELETE(), Error(), n_errors, TextAsmScanner::Token::num, VM::ClassInfo::nvirtuals, TextAsmScanner::Token::str_val, TextAsmScanner::Token::tid, and tok.
Referenced by _ParseSymbols_Namespace(), and _ParseSymbolSection().

void VM::AssemblerFile_Plaintext::_ParseSymbols_Class_Base ( ClassInfo * parent ) [protected]

Parse "base" block in class spec in symbols section.

Definition at line 213 of file parser.cc.
References _AlreadySetError(), _CurrTokID(), _ExpectError(), _LexNextToken(), _SkipUntilPop(), VM::NonResizeableArray< BaseEntry, uint32 >::alloc(), VM::ClassInfo::base, Error(), VM::NonResizeableArray< BaseEntry, uint32 >::n(), n_errors, TextAsmScanner::Token::num, TextAsmScanner::Token::off, TextAsmScanner::Token::tid, tok, and uint32.
Referenced by _ParseSymbols_Class().

void VM::AssemblerFile_Plaintext::_ParseSymbols_Class_Size ( ClassInfo * parent ) [protected]

Parse size block (member var entries) of class in symbols section.

Definition at line 333 of file parser.cc.
References _AlreadySetError(), _CurrTokID(), _ExpectError(), _LexNextToken(), _ParseVarType(), _SkipUntilPop(), VM::NonResizeableArray< MemberVarEntry, uint32 >::alloc(), Error(), VM::VarType::IsPointerType(), VM::ClassInfo::membvar, VM::NonResizeableArray< MemberVarEntry, uint32 >::n(), n_errors, TextAsmScanner::Token::num_p, TextAsmScanner::Token::num_v, TextAsmScanner::Token::off, TextAsmScanner::Token::size, VM::ClassInfo::size, TextAsmScanner::Token::str_val, TextAsmScanner::Token::t, tok, and uint32.
Referenced by _ParseSymbols_Class().

void VM::AssemblerFile_Plaintext::_ParseSymbols_Class_VTable ( ClassInfo * parent ) [protected]

Parse "vtable" block in class spec in symbols section.

Definition at line 273 of file parser.cc.
References _AlreadySetError(), _CurrTokID(), _ExpectError(), _LexNextToken(), _SkipUntilPop(), VM::NonResizeableArray< VTableEntry, uint32 >::alloc(), Error(), VM::NonResizeableArray< VTableEntry, uint32 >::n(), n_errors, TextAsmScanner::Token::num, TextAsmScanner::Token::symref, tok, uint32, and VM::ClassInfo::vtable.
Referenced by _ParseSymbols_Class().

void VM::AssemblerFile_Plaintext::_ParseSymbols_Global ( ) [protected]

Parse {p,v}global block in symbols section.

Definition at line 536 of file parser.cc.
References _CurrTokID(), _ExpectError(), _LexNextToken(), _ParseVarType(), IDMapTable< SymRef, GlobalVarEntry * >::AddNode(), Assert, Error(), n_errors, TextAsmScanner::Token::off, TextAsmScanner::Token::size, TextAsmScanner::Token::str_val, TextAsmScanner::Token::symref, TextAsmScanner::Token::t, and tok.
Referenced by _ParseSymbolSection().

void VM::AssemblerFile_Plaintext::_ParseSymbols_Namespace ( NamespaceInfo * parent ) [protected]

Parse namespace block in symbols section.

Definition at line 601 of file parser.cc.
References _CheckNspcNameKnown(), _CurrTokID(), _ExpectError(), _LexNextToken(), _ParseSymbols_Class(), _ParseSymbols_Symbols(), VM::NamespaceInfo::asm_loc, TextAsmScanner::Token::str_val, and tok.
Referenced by _ParseSymbolSection().

void VM::AssemblerFile_Plaintext::_ParseSymbols_Symbols ( NamespaceInfo * parent ) [protected]

Parse symbol (function provide) block in symbols section.

Definition at line 425 of file parser.cc.
References _CurrTokID(), _ExpectError(), _LexNextToken(), _ParseFuncType(), _ParseVarType(), Assert, VM::NamespaceInfo::CompleteName(), VM::NamespaceInfo::SymbolEntryB::CompleteName(), Error(), VM::FuncType::exported, VM::NamespaceInfo::SymbolEntryE::extid, TextAsmScanner::Token::ftype, VM::NamespaceInfo::SymbolEntryE::ftype, VM::NamespaceInfo::map_name2symbol, n_errors, VM::NamespaceInfo::SymbolEntryE::name, VM::NamespaceInfo::nstype, TLString::sprintf(), TLBTree< SymbolEntryE *, PtrListOperators< SymbolEntryE > >::store(), TLString::str(), TextAsmScanner::Token::str_val, VM::NamespaceInfo::symbol, VM::NamespaceInfo::SymbolEntryB::symref, TextAsmScanner::Token::symref, TextAsmScanner::Token::t, tok, uint, and VM::NamespaceInfo::SymbolEntryE::vtype.
Referenced by _ParseSymbols_Class(), _ParseSymbols_Namespace(), and _ParseSymbolSection().

void VM::AssemblerFile_Plaintext::_ParseSymbolSection ( ) [protected]

Parse the "symbols:" section.

Definition at line 766 of file parser.cc.
References _CurrTokID(), _ExpectError(), _LexNextToken(), _ParseSymbols_Class(), _ParseSymbols_Global(), _ParseSymbols_Namespace(), _ParseSymbols_Symbols(), VM::NamespaceInfo::asm_loc, and tok.
Referenced by ParseFile().

VarType VM::AssemblerFile_Plaintext::_ParseVarType ( const TextAsmScanner::Token::Type * t ) [protected]

Parse a TextAsmScanner::Token::Type into a VarType.

Todo:
FIXME VM: TypeID not needed in pointer type (i.e. p>TYPEID).

Definition at line 54 of file parser.cc.
References VM::VarType::array, Assert, VM::VarType::id, and TextAsmScanner::Token::Type::tchar.
Referenced by _ParseSymbols_Class_Size(), _ParseSymbols_Global(), and _ParseSymbols_Symbols().

void VM::AssemblerFile_Plaintext::_SkipUntilPop ( uint32 num,

TextAsmScanner::TokID skip_a,

TextAsmScanner::TokID skip_b = TextAsmScanner::T_EOF

) [protected]

Skip (num) tokens skip_a, skip_b until a TS_pop is found. The number (num) is currently ignored.
Definition at line 99 of file parser.cc.
References _CurrTokID(), _LexNextToken(), and uint32.
Referenced by _ParseSymbols_Class_Base(), _ParseSymbols_Class_Size(), and _ParseSymbols_Class_VTable().

int VM::AssemblerFile_Plaintext::_WriteFunctionProgram ( FILE * fp,

ProgramStorage::Function * pfunc

) [protected]

Write program instructions of a function.

Definition at line 29 of file tasm-file.cc.
References _unused_, VM::AssemblerFile_Plaintext::RJumpEntry::adr, Assert, TLArrayHeap< RJumpEntry, RJumpEntry_Operators >::clear(), VM::AssemblerFile_Plaintext::RJumpEntry::cmark, VM::CodeMark, VM::INST::DescEntry::codemark_off, VM::NamespaceInfo::SymbolEntryB::CompleteName(), DELETE(), VM::InstructionStorage::DumpInstruction(), Error(), TLArrayHeap< RJumpEntry, RJumpEntry_Operators >::first(), VM::NamespaceInfo::SymbolEntryE::ftype, VM::InstructionStorage::index(), TLArrayHeap< RJumpEntry, RJumpEntry_Operators >::insert(), VM::InstructionStorage::InstructionAt(), int32, TLArray< T, _OP >::IsEmpty(), VM::InstructionStorage::length(), VM::ProgramStorage::Function::loc, TLArray< T, _OP >::NElem(), VM::AssemblerFile::SLabelInfo::pfunc, TLArrayHeap< RJumpEntry, RJumpEntry_Operators >::PopFirst(), VM::PrgAdr, prgadr2codemark, VM::ProgramStorage::Function::se, VM::INST::DescEntry::size, TLString::str(), VM::NamespaceInfo::SymbolEntryB::symref, VM::FuncType::TypeString(), and uint.
Referenced by WriteFile(), and WriteFunctionProgram().

int VM::AssemblerFile_Plaintext::_WriteSymbols_Global ( StringTreeDump & out,

_GlobVars * gvar,

char which

) [protected]

Internally used by _WriteSymbolSectionContent():.

Definition at line 359 of file tasm-file.cc.
References StringTreeDump::AddIndent(), TLString::sprintf(), StringTreeDump::SubIndent(), and uint.
Referenced by _WriteSymbolSectionContent().

int VM::AssemblerFile_Plaintext::_WriteSymbolSectionContent ( FILE * fp ) [protected]

Write symbol section content recursively.

Definition at line 389 of file tasm-file.cc.
References _WriteSymbols_Global(), _WriteSymbols_Recursive(), StringTreeDump::AddIndent(), StringTreeDump::SubIndent(), and StringTreeDump::write().
Referenced by WriteFile().

void VM::AssemblerFile_Plaintext::operator= ( const AssemblerFile_Plaintext & ) [private]

Do not use:.

int VM::AssemblerFile_Plaintext::ParseFile ( const TLString & fname,

SError & error,

uint32 file_num

) [virtual]

Read in a file; see base class. [overriding virtual].

Reimplemented from VM::AssemblerFile.
Definition at line 991 of file parser.cc.
References _CurrTokID(), _ExpectError(), _LexNextToken(), _ParseInfoSection(), _ParseLocationSection(), _ParseProgramSection(), _ParseSymbolSection(), Assert, n_errors, TextAsmScanner::NErrors(), SCLocation::pos, scan, tok, and uint32.
Referenced by _DoParseFile().

int VM::AssemblerFile_Plaintext::WriteFile ( const TLString & fname,

SError & error

) [virtual]

Write file; see base class. [overriding virtual].

Reimplemented from VM::AssemblerFile.
Definition at line 409 of file tasm-file.cc.
References _WriteFunctionProgram(), _WriteSymbolSectionContent(), DELETE(), VM::ProgramStorage::FirstFunction(), LinkedListBase< Function >::next, prgadr2codemark, and TLString::str().

int VM::AssemblerFile_Plaintext::WriteFunctionProgram ( FILE * fp,

ProgramStorage::Function * pfunc

) [inline]

ONLY for debugging:.

Definition at line 190 of file tasm-file.h.
References _WriteFunctionProgram().