re2c::InputAPI Class Reference

#include <input_api.h>

Public Types
enum	type_t { DEFAULT, CUSTOM }

Public Member Functions
	InputAPI ()
type_t	type () const
void	set (type_t t)
std::string	expr_peek () const
std::string	expr_peek_save () const
std::string	stmt_peek (uint32_t ind) const
std::string	stmt_skip (uint32_t ind) const
std::string	stmt_backup (uint32_t ind) const
std::string	stmt_backupctx (uint32_t ind) const
std::string	stmt_restore (uint32_t ind) const
std::string	stmt_restorectx (uint32_t ind) const
std::string	stmt_skip_peek (uint32_t ind) const
std::string	stmt_skip_backup (uint32_t ind) const
std::string	stmt_backup_peek (uint32_t ind) const
std::string	stmt_skip_backup_peek (uint32_t ind) const
std::string	expr_lessthan_one () const
std::string	expr_lessthan (size_t n) const

Detailed Description

Definition at line 10 of file input_api.h.

Member Enumeration Documentation

enum re2c::InputAPI::type_t

Enumerator
DEFAULT
CUSTOM

Definition at line 13 of file input_api.h.

        { DEFAULT
        , CUSTOM
        };

Constructor & Destructor Documentation

re2c::InputAPI::InputAPI

(

)

Definition at line 11 of file input_api.cc.

    : type_ (DEFAULT)
{}

Member Function Documentation

std::string re2c::InputAPI::expr_lessthan

(

size_t

n

)

const

Definition at line 160 of file input_api.cc.

{
    std::ostringstream s;
    switch (type_)
    {
        case DEFAULT:
            s << "(" << opts->yylimit << " - " << opts->yycursor << ") < " << n;
            break;
        case CUSTOM:
            s << opts->yylessthan << " (" << n << ")";
            break;
    }
    return s.str ();
}

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std::string re2c::InputAPI::expr_lessthan_one

(

)

const

Definition at line 153 of file input_api.cc.

{
    return type_ == DEFAULT
        ? opts->yylimit + " <= " + opts->yycursor
        : expr_lessthan (1);
}

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std::string re2c::InputAPI::expr_peek

(

)

const

Definition at line 25 of file input_api.cc.

{
    std::string s;
    switch (type_)
    {
        case DEFAULT:
            s = "*" + opts->yycursor;
            break;
        case CUSTOM:
            s = opts->yypeek + " ()";
            break;
    }
    return s;
}

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std::string re2c::InputAPI::expr_peek_save

(

)

const

Definition at line 40 of file input_api.cc.

{
    return opts->yych + " = " + opts.yychConversion () + expr_peek ();
}

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void re2c::InputAPI::set

(

type_t

t

)

Definition at line 20 of file input_api.cc.

{
    type_ = t;
}

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std::string re2c::InputAPI::stmt_backup

(

uint32_t

ind

)

const

Definition at line 65 of file input_api.cc.

{
    std::string s;
    switch (type_)
    {
        case DEFAULT:
            s = opts->yymarker + " = " + opts->yycursor;
            break;
        case CUSTOM:
            s = opts->yybackup + " ()";
            break;
    }
    return indent (ind) + s + ";\n";
}

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std::string re2c::InputAPI::stmt_backup_peek

(

uint32_t

ind

)

const

Definition at line 139 of file input_api.cc.

{
    return type_ == DEFAULT
        ? indent (ind) + opts->yych + " = " + opts.yychConversion () + "*(" + opts->yymarker + " = " + opts->yycursor + ");\n"
        : stmt_backup (ind) + stmt_peek (ind);
}

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std::string re2c::InputAPI::stmt_backupctx

(

uint32_t

ind

)

const

Definition at line 80 of file input_api.cc.

{
    std::string s;
    switch (type_)
    {
        case DEFAULT:
            s = opts->yyctxmarker + " = " + opts->yycursor;
            break;
        case CUSTOM:
            s = opts->yybackupctx + " ()";
            break;
    }
    return indent (ind) + s + ";\n";
}

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std::string re2c::InputAPI::stmt_peek

(

uint32_t

ind

)

const

Definition at line 45 of file input_api.cc.

{
    return indent (ind) + expr_peek_save () + ";\n";
}

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std::string re2c::InputAPI::stmt_restore

(

uint32_t

ind

)

const

Definition at line 95 of file input_api.cc.

{
    std::string s;
    switch (type_)
    {
        case DEFAULT:
            s = opts->yycursor + " = " + opts->yymarker;
            break;
        case CUSTOM:
            s = opts->yyrestore + " ()";
            break;
    }
    return indent (ind) + s + ";\n";
}

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std::string re2c::InputAPI::stmt_restorectx

(

uint32_t

ind

)

const

Definition at line 110 of file input_api.cc.

{
    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;
}

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std::string re2c::InputAPI::stmt_skip

(

uint32_t

ind

)

const

Definition at line 50 of file input_api.cc.

{
    std::string s;
    switch (type_)
    {
        case DEFAULT:
            s = "++" + opts->yycursor;
            break;
        case CUSTOM:
            s = opts->yyskip + " ()";
            break;
    }
    return indent (ind) + s + ";\n";
}

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std::string re2c::InputAPI::stmt_skip_backup

(

uint32_t

ind

)

const

Definition at line 132 of file input_api.cc.

{
    return type_ == DEFAULT
        ? indent (ind) + opts->yymarker + " = ++" + opts->yycursor + ";\n"
        : stmt_skip (ind) + stmt_backup (ind);
}

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std::string re2c::InputAPI::stmt_skip_backup_peek

(

uint32_t

ind

)

const

Definition at line 146 of file input_api.cc.

{
    return type_ == DEFAULT
        ? indent (ind) + opts->yych + " = " + opts.yychConversion () + "*(" + opts->yymarker + " = ++" + opts->yycursor + ");\n"
        : stmt_skip (ind) + stmt_backup (ind) + stmt_peek (ind);
}

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std::string re2c::InputAPI::stmt_skip_peek

(

uint32_t

ind

)

const

Definition at line 125 of file input_api.cc.

{
    return type_ == DEFAULT
        ? indent (ind) + opts->yych + " = " + opts.yychConversion () + "*++" + opts->yycursor + ";\n"
        : stmt_skip (ind) + stmt_peek (ind);
}

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InputAPI::type_t re2c::InputAPI::type

(

)

const

Definition at line 15 of file input_api.cc.

{
    return type_;
}

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

• codegen/input_api.h
• codegen/input_api.cc