pygsti.circuits.circuitparser.CircuitParser

class CircuitParser(lexer_object=None, lookup=None)

Bases: object

Parser for text-format operation sequences

Methods

__init__([lexer_object, lookup])
p_error(p)
p_expable(p)	expable : slcref
p_expable_empty_layer(p)	expable : OPENBR CLOSEBR
p_expable_layer(p)	expable : OPENBR layer CLOSEBR
p_expable_paren(p)	expable : LPAREN string RPAREN
p_expable_single(p)	expable : GATE | INSTRMT | NOP
p_expdstr(p)	expdstr : expable
p_expdstr_expop(p)	expdstr : expable EXPOP INTEGER
p_layer(p)	layer : layer MULTOP layerable
p_layer_layerable(p)	layer : layerable
p_layer_str(p)	layer : layer layerable
p_layerable(p)	layerable : GATE | INSTRMT
p_layerable_subcircuit(p)	layerable : subcircuit
p_layerable_subcircuit_expop(p)	layerable : subcircuit EXPOP INTEGER
p_ppstring(p)	ppstring : pstring
p_ppstring_povm(p)	ppstring : pstring POVM
p_pstring(p)	pstring : string
p_pstring_prep(p)	pstring : PREP string
p_slcref(p)	slcref : strref
p_slcref_slice(p)	slcref : strref OPENBR INTEGER COLON INTEGER CLOSEBR
p_string(p)	string : string MULTOP expdstr
p_string_expdstr(p)	string : expdstr
p_string_str(p)	string : string expdstr
p_strref(p)	strref : STRINGIND REFLBL
p_subcircuit_singlelayer(p)	subcircuit : OPENBR layer CLOSEBR
p_subcircuit_string(p)	subcircuit : LPAREN layer RPAREN
ply_parse(code[, create_subcircuits])	Perform lexing and parsing of code.

Attributes

lookup	The lookup dictionary for expanding references
mode
tokens

static p_expable(p)

expable : slcref

static p_expable_empty_layer(p)

expable : OPENBR CLOSEBR

static p_expable_layer(p)

expable : OPENBR layer CLOSEBR

static p_expable_paren(p)

expable : LPAREN string RPAREN

static p_expable_single(p)

expable : GATE | INSTRMT | NOP

static p_expdstr(p)

expdstr : expable

static p_expdstr_expop(p)

expdstr : expable EXPOP INTEGER

static p_layer(p)

layer : layer MULTOP layerable

static p_layer_layerable(p)

layer : layerable

static p_layer_str(p)

layer : layer layerable

static p_layerable(p)

layerable : GATE | INSTRMT

static p_layerable_subcircuit(p)

layerable : subcircuit

static p_layerable_subcircuit_expop(p)

layerable : subcircuit EXPOP INTEGER

static p_ppstring(p)

ppstring : pstring

static p_ppstring_povm(p)

ppstring : pstring POVM

static p_pstring(p)

pstring : string

static p_pstring_prep(p)

pstring : PREP string

static p_slcref(p)

slcref : strref

static p_slcref_slice(p)

slcref : strref OPENBR INTEGER COLON INTEGER CLOSEBR

static p_string(p)

string : string MULTOP expdstr

static p_string_expdstr(p)

string : expdstr

static p_string_str(p)

string : string expdstr

p_strref(p)

strref : STRINGIND REFLBL

static p_subcircuit_singlelayer(p)

subcircuit : OPENBR layer CLOSEBR

static p_subcircuit_string(p)

subcircuit : LPAREN layer RPAREN

ply_parse(code, create_subcircuits=True)

Perform lexing and parsing of code.

Parameters:

code (str) – A circuit encoded as a single-line string

Returns:

• layer_labels (tuple) – A tuple of the layer-labels of the circuit

• line_labels (tuple) – A tuple of the line labels of the circuit.

property lookup

The lookup dictionary for expanding references