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Update re2c to version 0.16

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This commit is contained in:
Randy Heit 2016-02-06 20:58:35 -06:00
commit 43c6c9b5ee
191 changed files with 25778 additions and 17259 deletions
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175
tools/re2c/src/codegen/input_api.cc Normal file
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#include <sstream>
#include "src/codegen/input_api.h"
#include "src/codegen/indent.h"
#include "src/conf/opt.h"
#include "src/globals.h"
namespace re2c
{
InputAPI::InputAPI ()
: type_ (DEFAULT)
{}
InputAPI::type_t InputAPI::type () const
{
return type_;
}
void InputAPI::set (type_t t)
{
type_ = t;
}
std::string InputAPI::expr_peek () const
{
std::string s;
switch (type_)
{
case DEFAULT:
s = "*" + opts->yycursor;
break;
case CUSTOM:
s = opts->yypeek + " ()";
break;
}
return s;
}
std::string InputAPI::expr_peek_save () const
{
return opts->yych + " = " + opts.yychConversion () + expr_peek ();
}
std::string InputAPI::stmt_peek (uint32_t ind) const
{
return indent (ind) + expr_peek_save () + ";\n";
}
std::string InputAPI::stmt_skip (uint32_t ind) const
{
std::string s;
switch (type_)
{
case DEFAULT:
s = "++" + opts->yycursor;
break;
case CUSTOM:
s = opts->yyskip + " ()";
break;
}
return indent (ind) + s + ";\n";
}
std::string InputAPI::stmt_backup (uint32_t ind) const
{
std::string s;
switch (type_)
{
case DEFAULT:
s = opts->yymarker + " = " + opts->yycursor;
break;
case CUSTOM:
s = opts->yybackup + " ()";
break;
}
return indent (ind) + s + ";\n";
}
std::string InputAPI::stmt_backupctx (uint32_t ind) const
{
std::string s;
switch (type_)
{
case DEFAULT:
s = opts->yyctxmarker + " = " + opts->yycursor;
break;
case CUSTOM:
s = opts->yybackupctx + " ()";
break;
}
return indent (ind) + s + ";\n";
}
std::string InputAPI::stmt_restore (uint32_t ind) const
{
std::string s;
switch (type_)
{
case DEFAULT:
s = opts->yycursor + " = " + opts->yymarker;
break;
case CUSTOM:
s = opts->yyrestore + " ()";
break;
}
return indent (ind) + s + ";\n";
}
std::string InputAPI::stmt_restorectx (uint32_t ind) const
{
std::string s;
switch (type_)
{
case DEFAULT:
s = indent (ind) + opts->yycursor + " = " + opts->yyctxmarker + ";\n";
break;
case CUSTOM:
s = indent (ind) + opts->yyrestorectx + " ();\n";
break;
}
return s;
}
std::string InputAPI::stmt_skip_peek (uint32_t ind) const
{
return type_ == DEFAULT
? indent (ind) + opts->yych + " = " + opts.yychConversion () + "*++" + opts->yycursor + ";\n"
: stmt_skip (ind) + stmt_peek (ind);
}
std::string InputAPI::stmt_skip_backup (uint32_t ind) const
{
return type_ == DEFAULT
? indent (ind) + opts->yymarker + " = ++" + opts->yycursor + ";\n"
: stmt_skip (ind) + stmt_backup (ind);
}
std::string InputAPI::stmt_backup_peek (uint32_t ind) const
{
return type_ == DEFAULT
? indent (ind) + opts->yych + " = " + opts.yychConversion () + "*(" + opts->yymarker + " = " + opts->yycursor + ");\n"
: stmt_backup (ind) + stmt_peek (ind);
}
std::string InputAPI::stmt_skip_backup_peek (uint32_t ind) const
{
return type_ == DEFAULT
? indent (ind) + opts->yych + " = " + opts.yychConversion () + "*(" + opts->yymarker + " = ++" + opts->yycursor + ");\n"
: stmt_skip (ind) + stmt_backup (ind) + stmt_peek (ind);
}
std::string InputAPI::expr_lessthan_one () const
{
return type_ == DEFAULT
? opts->yylimit + " <= " + opts->yycursor
: expr_lessthan (1);
}
std::string InputAPI::expr_lessthan (size_t n) const
{
std::ostringstream s;
switch (type_)
{
case DEFAULT:
s << "(" << opts->yylimit << " - " << opts->yycursor << ") < " << n;
break;
case CUSTOM:
s << opts->yylessthan << " (" << n << ")";
break;
}
return s.str ();
}
} // end namespace re2c