Interpreter that pretty-prints the opcodes using indentation to show structure. More...

#include <interpreter.h>

Inheritance diagram for wreport::bulletin::Printer:

Public Member Functions
	Printer (const Tables &tables, const Opcodes &opcodes)

void	b_variable (Varcode code) override
	Notify of a B variable entry. More...

void	c_modifier (Varcode code, Opcodes &next) override
	Notify of a C modifier. More...

void	r_replication (Varcode code, Varcode delayed_code, const Opcodes &ops) override
	Handle a replicated section. More...

void	run_d_expansion (Varcode code) override
	Executes the expansion of code, which has been put on top of the opcode stack. More...

void	define_variable (Varinfo info) override
	Request processing, according to info, of a data variable.

void	define_variable_with_associated_field (Varinfo info) override
	Request processing, according to info, of a data variable.

void	define_bitmap (unsigned bitmap_size) override
	Request processing of a data present bitmap. More...

unsigned	define_bitmap_delayed_replication_factor (Varinfo info) override
	Request processing of a delayed replication factor variable used to encode the size of a bitmap. More...

Public Member Functions inherited from wreport::bulletin::Interpreter
	Interpreter (const Tables &tables, const Opcodes &opcodes)

	Interpreter (const Interpreter &)=delete

Interpreter &	operator= (const Interpreter &)=delete

void	run ()
	Run the interpreter.

virtual void	r_bitmap (Varcode code, Varcode delayed_code, const Opcodes &ops)
	Handle a replicated section which defines a bitmap.

virtual void	run_r_repetition (unsigned cur, unsigned total)
	Executes a repetition of the opcodes on top of the stack. More...

virtual unsigned	define_delayed_replication_factor (Varinfo info)
	Request processing, according to info, of a data variabile that is significant for controlling the encoding process. More...

virtual unsigned	define_associated_field_significance (Varinfo info)
	Request processing of an associated field significance variable (B31021). More...

virtual void	define_substituted_value (unsigned pos)
	Request processing of a substituted value corresponding to position pos in the list or previous variables.

virtual void	define_attribute (Varinfo info, unsigned pos)
	Request processing of an attribute encoded with info, related to the variable as position pos in the list of previous variables.

virtual void	define_raw_character_data (Varcode code)
	Request processing of C05yyy raw character data.

virtual void	define_c03_refval_override (Varcode code)
	Request processing of a new value for the reference value of the given B code.

Data Fields
FILE *	out
	Output stream. More...

unsigned	indent
	Current indent level. More...

unsigned	indent_step
	How many spaces in an indentation level.

Data Fields inherited from wreport::bulletin::Interpreter
const Tables &	tables

std::stack< Opcodes >	opcode_stack

Bitmaps	bitmaps
	Bitmap iteration.

AssociatedField	associated_field
	Current associated field state.

int	c_scale_change = 0
	Current value of scale change from C modifier.

int	c_width_change = 0
	Current value of width change from C modifier.

int	c_scale_ref_width_increase = 0
	Increase of scale, reference value and data width.

int	c_string_len_override = 0
	Current value of string length override from C08 modifiers (0 for no override)

std::map< wreport::Varcode, uint32_t >	c03_refval_overrides
	Current reference value overrides.

unsigned	c03_refval_override_bits = 0
	Set to the number of reference value override bits while reading the override values.

Protected Member Functions
void	print_lead (Varcode code)
	Print line lead (indentation and formatted code) More...

Protected Member Functions inherited from wreport::bulletin::Interpreter
Varinfo	get_varinfo (Varcode code)
	Return a Varinfo for the given Varcode, applying all relevant C modifications that are currently active.

Additional Inherited Members
Static Public Member Functions inherited from wreport::bulletin::Interpreter
static void	print_c_modifier (FILE *out, Varcode code, Opcodes &nex)
	Print a description of this C modifier.

Detailed Description

Interpreter that pretty-prints the opcodes using indentation to show structure.

Member Function Documentation

◆ b_variable()

void wreport::bulletin::Printer::b_variable ( Varcode code )

overridevirtual

Notify of a B variable entry.

Parameters

code	The B variable code

Reimplemented from wreport::bulletin::Interpreter.

◆ c_modifier()

void wreport::bulletin::Printer::c_modifier	(	Varcode	code,
		Opcodes &	next
	)

overridevirtual

Notify of a C modifier.

Whenever the modifier is a supported one, this is followed by an invocation of one of the specific c_* methods.

Parameters

code	The C modifier code

Reimplemented from wreport::bulletin::Interpreter.

◆ define_bitmap()

void wreport::bulletin::Printer::define_bitmap ( unsigned bitmap_size )

overridevirtual

Request processing of a data present bitmap.

Parameters

code	The C modifier code that defines the bitmap
rep_code	The R replicator that defines the bitmap
delayed_code	The B delayed replicator that defines the bitmap length (it is 0 if the length is encoded in the YYY part of rep_code
ops	The replicated opcodes that define the bitmap

Returns: The bitmap that has been processed.

Reimplemented from wreport::bulletin::Interpreter.

◆ define_bitmap_delayed_replication_factor()

unsigned wreport::bulletin::Printer::define_bitmap_delayed_replication_factor ( Varinfo info )

overridevirtual

Request processing of a delayed replication factor variable used to encode the size of a bitmap.

Returns: the repetition count

Reimplemented from wreport::bulletin::Interpreter.

◆ print_lead()

void wreport::bulletin::Printer::print_lead ( Varcode code )

protected

Print line lead (indentation and formatted code)

Parameters

code	Code to format in the line lead

◆ r_replication()

void wreport::bulletin::Printer::r_replication	(	Varcode	code,
		Varcode	delayed_code,
		const Opcodes &	ops
	)

overridevirtual

Handle a replicated section.

Parameters

code	The R replication code
delayed_code	The delayed replication B code, or 0 if delayed replication is not used
ops	The replicated operators

Reimplemented from wreport::bulletin::Interpreter.

◆ run_d_expansion()

void wreport::bulletin::Printer::run_d_expansion ( Varcode code )

overridevirtual

Executes the expansion of code, which has been put on top of the opcode stack.

By default it just calls run(), but it can be overridden to execute operations before and after.

Parameters

code	The D code that is being run

Reimplemented from wreport::bulletin::Interpreter.

Field Documentation

◆ indent

unsigned wreport::bulletin::Printer::indent

Current indent level.

It defaults to 0 in a newly created Printer. You can set it to some other value to indent all the output by the given amount of spaces

◆ out

FILE* wreport::bulletin::Printer::out

Output stream.

It defaults to stdout, but it can be set to any FILE* stream

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

interpreter.h

Public Member Functions

Data Fields

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ b_variable()

◆ c_modifier()

◆ define_bitmap()

◆ define_bitmap_delayed_replication_factor()

◆ print_lead()

◆ r_replication()

◆ run_d_expansion()

Field Documentation

◆ indent

◆ out