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yucc.py
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yucc.py
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from ply import yacc
from lux import tokens
import pprint
start = 'start'
def p_pre_unary_operator(p):
'''pre_unary_operator : MINUS
| NOT
| INCREMENT
| DECREMENT
| BITWISE_NOT'''
p[0] = p[1]
def p_post_unary_operator(p):
'''post_unary_operator : INCREMENT
| DECREMENT'''
p[0] = p[1]
def p_unary_operation_1(p):
'unary_operation : pre_unary_operator expression'
p[0] = ('pre_unary_operation', p[1], p[2])
def p_unary_operation_2(p):
'unary_operation : expression post_unary_operator'
p[0] = ('post_unary_operation', p[1], p[2])
def p_binary_operator(p):
'''binary_operator : EQUAL
| NEQUAL
| LEQUAL
| GEQUAL
| SEQUAL
| MODULUS
| MULTIPLY
| DIVIDE
| ADD
| MINUS
| LANGLE
| RANGLE
| SCONCAT
| SCONCATSPACE
| OR
| ADD_ASSIGN
| SUBTRACT_ASSIGN
| MULTIPLY_ASSIGN
| DIVIDE_ASSIGN
| DOT
| AND
| RIGHT_SHIFT
| LEFT_SHIFT
| RIGHT_SHIFT_ARITHMETIC
| POW
| CROSS
| BITWISE_AND
| BITWISE_OR
| XOR
| LOGICAL_XOR'''
p[0] = p[1]
def p_vect(p):
'vect : VECT LPAREN number COMMA number COMMA number RPAREN'
p[0] = ('vect', p[3], p[5], p[7])
def p_arraycount(p):
'arraycount : ARRAYCOUNT LPAREN expression RPAREN'
p[0] = ('arraycount', p[3])
def p_allocation_1(p):
'''allocation : NEW type
| NEW reference'''
p[0] = ('allocation', None, p[2])
def p_allocation_2(p):
'allocation : NEW LPAREN argument_list_or_empty RPAREN primary'
p[0] = ('allocation', p[3], p[5])
def p_construction_1(p):
'construction : NEW type LPAREN argument_list_or_empty RPAREN'
p[0] = ('construction', generic_type_to_reference(p[2]), p[4])
def p_construction_2(p):
'construction : NEW generic_type LPAREN argument_list_or_empty RPAREN'
p[0] = ('construction', generic_type_to_reference(p[2]), p[4])
def generic_type_to_reference(p):
assert(p[0] in ('generic_type', 'type', 'identifier'))
if p[0] == 'generic_type':
s = '_'.join([p[1][1], '_'.join([q[1][1] for q in p[2]])])
else:
s = p[1][1]
return ('reference', 'class\'%s\'' % s)
def p_binary_operation(p):
'binary_operation : expression binary_operator expression'
p[0] = ('binary_operation', p[2], p[1], p[3])
def p_identifier(p):
'''identifier : ID
| INIT
| CLASS
| OBJECT
| primitive_type
| SWITCH
| EVENT
| ASSERT
| SELF'''
p[0] = ('identifier', p[1])
def p_reference(p):
'reference : REFERENCE'
p[0] = ('reference', p[1])
def p_atom(p):
'''atom : identifier
| literal
| reference
| class_type
| allocation
| construction'''
p[0] = p[1]
def p_subscription(p):
'subscription : primary LSQUARE expression RSQUARE'
p[0] = ('subscription', p[1], p[3])
def p_string_parameterized(p):
'string_parameterized : PSTRING'
p[0] = ('string_parameterized', p[1])
def p_primary(p):
'''primary : atom
| attribute
| default
| subscription
| super_call
| static_call
| global_call
| call
| unary_operation
| binary_operation
| expression_parenthesized'''
p[0] = p[1]
def p_argument_list_1(p):
'argument_list : expression_or_empty'
p[0] = [p[1]]
def p_argument_list_2(p):
'argument_list : argument_list COMMA expression_or_empty'
p[0] = p[1] + [p[3]]
def p_argument_list_or_empty(p):
'''argument_list_or_empty : argument_list
| empty'''
if p[1] is None:
p[1] = []
p[0] = ('argument_list', p[1])
def p_cast(p):
'''cast : type LPAREN expression RPAREN'''
p[0] = ('cast', p[1], p[3])
def p_call(p):
'''call : identifier LPAREN argument_list_or_empty RPAREN
| class_type LPAREN argument_list_or_empty RPAREN'''
p[0] = ('call', p[1], p[3])
def p_attribute(p):
'attribute : primary PERIOD primary'
p[0] = ('attribute', p[1], p[3])
def p_target(p):
'''target : identifier
| attribute
| default
| subscription'''
p[0] = p[1]
def p_assignment_operator(p):
'''assignment_operator : ASSIGN
| SCONCATASSIGN
| SCONCATSPACEASSIGN'''
p[0] = p[1]
def p_assignment_statement(p):
'assignment_statement : target assignment_operator expression'
p[0] = ('assignment_statement', p[1], p[3])
def p_string_literal(p):
'string_literal : USTRING'
p[0] = p[1]
def p_name_literal(p):
'name_literal : UNAME'
p[0] = p[1]
def p_boolean_literal(p):
'''boolean_literal : FALSE
| TRUE'''
p[0] = p[1]
def p_literal(p):
'''literal : string_literal
| string_parameterized
| name_literal
| number
| vect
| arraycount
| boolean_literal
| NONE'''
p[0] = p[1]
# def p_user_defined_literal(p):
# '''user_defined_literal : literal UNDERSCORE ID'''
# p[0] = ('user_defined_literal', p[1], p[3])
def error(p, s):
print p
raise SyntaxError
def p_empty(p):
'empty :'
p[0] = None
def p_arrayindex(p):
'''arrayindex : LSQUARE INTEGER RSQUARE
| LSQUARE identifier RSQUARE'''
p[0] = p[2]
def p_arrayindex_or_empty(p):
'''arrayindex_or_empty : arrayindex
| empty'''
p[0] = p[1]
def p_var_names_1(p):
'var_names : var_name'
p[0] = [p[1]]
def p_var_names_2(p):
'var_names : var_names COMMA var_name'
p[0] = p[1] + [p[3]]
def p_var_name_list(p):
'var_name_list : var_names'
p[0] = ('var_name_list', p[1])
def p_var_name(p):
'var_name : identifier arrayindex_or_empty'
p[0] = ('var_name', p[1], p[2])
#TODO: varnames with AST identifier properly please
def p_var_modifier(p):
'''var_modifier : AUTOMATED
| CACHE
| config
| CONST
| DEPRECATED
| EDFINDABLE
| EDITCONST
| EDITCONSTARRAY
| EDITINLINE
| EDITINLINENOTIFY
| EDITINLINEUSE
| EXPORT
| NOEXPORT
| GLOBALCONFIG
| INPUT
| LOCALIZED
| NATIVE
| PRIVATE
| PROTECTED
| TRANSIENT
| TRAVEL'''
p[0] = p[1]
def p_var_modifiers_1(p):
'var_modifiers : var_modifier'
p[0] = [p[1]]
def p_var_modifiers_2(p):
'var_modifiers : var_modifiers var_modifier'
p[0] = p[1] + [p[2]]
def p_var_modifiers_or_empty(p):
'''var_modifiers_or_empty : var_modifiers
| empty'''
p[0] = ('var_modifiers', p[1])
def p_var_declaration(p):
'var_declaration : VAR paren_id_or_empty var_modifiers_or_empty var_type var_name_list SEMICOLON'
p[0] = ('var_declaration', p[2], p[3], p[4], p[5])
def p_struct_var_declaration(p):
'struct_var_declaration : VAR paren_id_or_empty var_modifiers_or_empty var_type var_name_list SEMICOLON'
p[0] = ('struct_var_declaration', p[2], p[3], p[4], p[5])
def p_struct_var_declarations_1(p):
'struct_var_declarations : struct_var_declaration'
p[0] = [p[1]]
def p_struct_var_declarations_2(p):
'struct_var_declarations : struct_var_declarations struct_var_declaration'
p[0] = p[1] + [p[2]]
def p_struct_var_declarations_or_empty(p):
'''struct_var_declarations_or_empty : struct_var_declarations
| empty'''
p[0] = ('struct_var_declarations', p[1])
def p_generic_type(p):
'generic_type : identifier LANGLE type_list RANGLE'
# TODO: notify that generic type has been encountered
p[0] = ('generic_type', p[1], p[3])
def p_array(p):
'array : ARRAY LANGLE type RANGLE'
p[0] = p[1], p[3]
def p_primitive_type(p):
'''primitive_type : BOOL
| BYTE
| INT
| FLOAT
| STRING
| VECT
| ROT
| NAME'''
p[0] = p[1]
def p_typeof(p):
'typeof : TYPEOF LPAREN identifier RPAREN'
p[0] = ('typeof', p[3])
def p_class_type(p):
'class_type : CLASS LANGLE identifier RANGLE'
p[0] = ('class_type', p[3])
def p_var_type(p):
'''var_type : type
| struct_declaration
| enum_declaration'''
p[0] = p[1]
def p_deep_type(p):
'''deep_type : identifier PERIOD identifier'''
p[0] = ('deep_type', p[1], p[3])
def p_type(p):
'''type : primitive_type
| array
| generic_type
| class_type
| identifier
| deep_type'''
p[0] = ('type', p[1])
def p_type_or_empty(p):
'''type_or_empty : type
| empty'''
p[0] = p[1]
def p_id_list_1(p):
'id_list : ID'
p[0] = [p[1]]
def p_id_list_2(p):
'id_list : id_list COMMA ID'
p[0] = p[1] + [p[3]]
def p_id_list_3(p):
'id_list : id_list COMMA empty'
p[0] = p[1]
def p_enum_values(p):
'enum_values : id_list'
p[0] = ('enum_values', p[1])
def p_identifier_list_1(p):
'identifier_list : identifier'
p[0] = [p[1]]
def p_identifier_list_2(p):
'identifier_list : identifier_list COMMA identifier'
p[0] = p[1] + [p[3]]
def p_identifier_list_or_empty(p):
'''identifier_list_or_empty : identifier_list
| empty'''
p[0] = ('identifier_list', p[1])
def p_type_list_1(p):
'type_list : type'
p[0] = [p[1]]
def p_type_list_2(p):
'type_list : type_list COMMA type'
p[0] = p[1] + [p[3]]
def p_id_or_empty(p):
'''id_or_empty : identifier
| empty'''
p[0] = p[1]
def p_paren_id(p):
'paren_id : LPAREN id_or_empty RPAREN'
p[0] = ('paren_id', p[2])
def p_paren_id_or_empty(p):
'''paren_id_or_empty : paren_id
| empty'''
p[0] = p[1]
def p_config(p):
'''config : CONFIG paren_id_or_empty'''
p[0] = p[1], p[2]
def p_template(p):
'template : TEMPLATE LPAREN identifier_list_or_empty RPAREN'
if len(p[3][1]) > len(set(p[3][1])):
error(p, 'Template parameters must be unique.')
raise SyntaxError
p[0] = ('template', p[3])
def p_class_modifier(p):
'''class_modifier : ABSTRACT
| config
| NOTPLACEABLE
| PLACEABLE
| NATIVE
| NATIVEREPLICATION
| NONATIVEREPLICATION
| PEROBJECTCONFIG
| TRANSIENT
| NOEXPORT
| dependson
| within
| template
| hidecategories
| showcategories'''
p[0] = p[1]
def p_class_modifiers_1(p):
'class_modifiers : class_modifiers class_modifier'
p[0] = p[1] + [p[2]]
def p_class_modifiers_2(p):
'class_modifiers : class_modifier'
p[0] = [p[1]]
def p_class_modifiers_or_empty(p):
'''class_modifiers_or_empty : class_modifiers
| empty'''
if p[1] is None:
p[1] = []
p[0] = ('class_modifiers', p[1])
def p_within(p):
'within : WITHIN identifier'
p[0] = p[1], p[2]
def p_dependson(p):
'dependson : DEPENDSON LPAREN identifier RPAREN'
p[0] = ('dependson', p[3])
def p_number(p):
'''number : INTEGER
| UFLOAT'''
p[0] = ('number', p[1])
def p_const_declaration(p):
'const_declaration : CONST identifier ASSIGN literal SEMICOLON'
p[0] = ('const_declaration', p[2], p[4])
def p_extends_1(p):
'extends : empty'
def p_extends_2(p):
'extends : EXTENDS type'
p[0] = ('extends', p[2])
def p_class_declaration(p):
'class_declaration : CLASS identifier extends class_modifiers_or_empty SEMICOLON'
p[0] = ('class_declaration', p[2], p[3], p[4])
def p_struct_declaration(p):
'''struct_declaration : STRUCT identifier LCURLY struct_var_declarations_or_empty RCURLY'''
p[0] = ('struct_declaration', p[2], p[4])
def p_function_modifier(p):
'''function_modifier : EXEC
| FINAL
| ITERATOR
| LATENT
| NATIVE
| SIMULATED
| SINGULAR
| STATIC
| PRIVATE
| PROTECTED'''
p[0] = p[1]
def p_function_modifiers_1(p):
'function_modifiers : function_modifiers function_modifier'
p[0] = p[1] + [p[2]]
def p_function_modifiers_2(p):
'function_modifiers : function_modifier'
p[0] = [p[1]]
def p_function_modifiers_or_empty(p):
'''function_modifiers_or_empty : function_modifiers
| empty'''
if p[1] is None:
p[1] = []
p[0] = ('function_modifiers', p[1])
def p_function_type(p):
'''function_type : DELEGATE
| FUNCTION
| EVENT'''
p[0] = p[1]
def p_function_argument_modifier(p):
'''function_argument_modifier : OPTIONAL
| COERCE
| OUT
| SKIP'''
p[0] = p[1]
def p_function_argument_modifiers_1(p):
'function_argument_modifiers : function_argument_modifier'
p[0] = [p[1]]
def p_function_argument_modifiers_2(p):
'function_argument_modifiers : function_argument_modifiers function_argument_modifier'
p[0] = p[1] + [p[2]]
def p_function_argument_modifiers_or_empty(p):
'''function_argument_modifiers_or_empty : function_argument_modifiers
| empty'''
p[0] = ('function_argument_modifiers', p[1] if p[1] is not None else [])
def p_function_argument(p):
'''function_argument : function_argument_modifiers_or_empty type identifier arrayindex_or_empty'''
p[0] = ('function_argument', p[1], p[2], p[3], p[4])
def p_function_arguments_1(p):
'function_arguments : function_argument'
p[0] = [p[1]]
def p_function_arguments_2(p):
'function_arguments : function_arguments COMMA function_argument'
p[0] = p[1] + [p[3]]
def p_function_arguments_or_empty(p):
'''function_arguments_or_empty : function_arguments
| empty'''
if p[1] is None:
p[1] = []
p[0] = ('function_arguments', p[1])
def p_local_declaration(p):
'local_declaration : LOCAL type var_name_list SEMICOLON'
p[0] = ('local_declaration', p[2], p[3])
def p_local_declarations_1(p):
'local_declarations : local_declaration'
p[0] = [p[1]]
def p_local_declarations_2(p):
'local_declarations : local_declarations local_declaration'
p[0] = p[1] + [p[2]]
def p_constructor_declaration(p):
'constructor : CONSTRUCTOR LPAREN function_arguments_or_empty RPAREN LCURLY function_body RCURLY'
p[0] = ('constructor', p[3], p[6])
# TODO: split in _1 and _2
def p_function_declaration(p):
'''function_declaration : function_modifiers_or_empty function_type function_modifiers_or_empty type identifier LPAREN function_arguments_or_empty RPAREN
| function_modifiers_or_empty function_type function_modifiers_or_empty identifier LPAREN function_arguments_or_empty RPAREN'''
# TODO: this is ugly
function_modifiers = ('function_modifiers', tuple(list(p[1][1]) + list(p[3][1])))
if len(p) == 9: # return type
p[0] = ('function_declaration', p[2], p[5], p[4], function_modifiers, p[7])
else: # no return type
p[0] = ('function_declaration', p[2], p[4], None, function_modifiers, p[6])
def p_function_definition(p):
'''function_definition : function_declaration SEMICOLON
| function_declaration LCURLY function_body RCURLY'''
if len(p) == 3: # no body
p[0] = ('function_definition', p[1], None)
else: # body
p[0] = ('function_definition', p[1], p[3])
if p[0][1][0].lower() == 'delegate' and p[0][2] is not None:
raise SyntaxError
def p_struct_definition(p):
'''struct_definition : struct_declaration SEMICOLON'''
p[0] = ('struct_definition', p[1])
def p_enum_definition(p):
'''enum_definition : enum_declaration SEMICOLON'''
p[0] = ('enum_definition', p[1])
def p_declaration(p):
'''declaration : const_declaration
| function_definition
| constructor
| var_declaration
| struct_definition
| enum_definition
| state_definition
| replication_block'''
p[0] = p[1]
def p_declarations_1(p):
'declarations : declaration'
p[0] = [p[1]]
def p_declarations_2(p):
'declarations : declarations declaration'
p[0] = p[1] + [p[2]]
def p_declarations_or_empty(p):
'''declarations_or_empty : declarations
| empty'''
p[0] = ('declarations', p[1])
def p_defaultproperties_object(p):
'defaultproperties_object : BEGIN OBJECT CLASS ASSIGN type NAME ASSIGN ID defaultproperties_object_assignments_or_empty END OBJECT'
p[0] = ('defaultproperties_object', p[5], p[8], p[9])
def p_defaultproperties_object_arguments(p):
'''defaultproperties_object_arguments : LPAREN defaultproperties_assignments_or_empty RPAREN'''
p[0] = ('defaultproperties_object_arguments', p[2] if p[2] is not None else [])
def p_defaultproperties_assignments_or_empty(p):
'''defaultproperties_assignments_or_empty : defaultproperties_assignments
| empty'''
p[0] = p[1]
def p_defaultproperties_or_empty(p):
'''defaultproperties_or_empty : defaultproperties
| empty'''
p[0] = p[1]
def p_defaultproperties_assignment_value(p):
'''defaultproperties_assignment_value : literal
| reference
| identifier
| defaultproperties_object_arguments
| defaultproperties_array'''
p[0] = p[1]
def p_defaultproperties_assignment_value_or_empty(p):
'''defaultproperties_assignment_value_or_empty : defaultproperties_assignment_value
| empty'''
p[0] = p[1]
def p_defaultproperties_object_arguments_or_empty(p):
'''defaultproperties_object_arguments_or_empty : defaultproperties_object_arguments
| empty'''
p[0] = p[1] if p[1] is not None else []
def p_defaultproperties_array_arguments_1(p):
'''defaultproperties_array_arguments : defaultproperties_object_arguments_or_empty'''
p[0] = [p[1]]
def p_defaultproperties_array_arguments_2(p):
'''defaultproperties_array_arguments : defaultproperties_array_arguments_or_empty COMMA defaultproperties_object_arguments_or_empty'''
p[0] = p[1] + [p[3]]
def p_defaultproperties_array_arguments_or_empty(p):
'''defaultproperties_array_arguments_or_empty : defaultproperties_array_arguments
| empty'''
p[0] = p[1]
def p_defaultproperties_array(p):
'''defaultproperties_array : LPAREN defaultproperties_array_arguments_or_empty RPAREN'''
p[0] = ('defaultproperties_array', p[2])
def p_defaultproperties_declaration(p):
'''defaultproperties_declaration : defaultproperties_assignment
| defaultproperties_object'''
p[0] = p[1]
def p_defaultproperties_declarations_1(p):
'''defaultproperties_declarations : defaultproperties_declaration'''
p[0] = [p[1]]
def p_defaultproperties_declarations_2(p):
'''defaultproperties_declarations : defaultproperties_declarations defaultproperties_declaration'''
p[0] = p[1] + [p[2]]
def p_defaultproperties_declarations_or_empty(p):
'''defaultproperties_declarations_or_empty : defaultproperties_declarations
| empty'''
p[0] = p[1]
def p_defaultproperties_key_1(p):
'''defaultproperties_key : var_name'''
p[0] = ('defaultproperties_key', p[1], None)
def p_defaultproperties_key_2(p):
'''defaultproperties_key : var_name LPAREN INTEGER RPAREN'''
p[0] = ('defaultproperties_key', p[1], p[3])
def p_defaultproperties_object_assignments_1(p):
'''defaultproperties_object_assignments : defaultproperties_object_assignment'''
p[0] = [p[1]]
def p_defaultproperties_object_assignments_2(p):
'''defaultproperties_object_assignments : defaultproperties_object_assignments defaultproperties_object_assignment'''
p[0] = p[1] + [p[2]]
def p_defaultproperties_object_assignments_or_empty(p):
'''defaultproperties_object_assignments_or_empty : defaultproperties_object_assignments
| empty'''
p[0] = p[1]
def p_defaultproperties_object_assignment(p):
'defaultproperties_object_assignment : defaultproperties_key ASSIGN defaultproperties_assignment_value'
p[0] = ('defaultproperties_assignment', p[1], p[3])
def p_defaultproperties_assignments_1(p):
'''defaultproperties_assignments : defaultproperties_assignment'''
p[0] = [p[1]]
def p_defaultproperties_assignments_2(p):
'''defaultproperties_assignments : defaultproperties_assignments COMMA defaultproperties_assignment'''
p[0] = p[1] + [p[3]]
def p_defaultproperties_assignment(p):
'defaultproperties_assignment : defaultproperties_key ASSIGN defaultproperties_assignment_value'
p[0] = ('defaultproperties_assignment', p[1], p[3])
def p_defaultproperties_assignment_or_empty(p):
'''defaultproperties_assignment_or_empty : defaultproperties_assignment
| empty'''
p[0] = p[1]
def p_defaultproperties(p):
'defaultproperties : DEFAULTPROPERTIES LCURLY defaultproperties_declarations_or_empty RCURLY'
p[0] = ('defaultproperties', p[3])
def p_local_declarations_or_empty(p):
'''local_declarations_or_empty : local_declarations
| empty'''
p[0] = ('local_declarations', p[1])
def p_function_body(p):
'function_body : local_declarations_or_empty statements_or_empty'
p[0] = ('function_body', p[1], p[2])
def p_expression_parenthesized(p):
'expression_parenthesized : LPAREN expression RPAREN'
p[0] = ('expression_parenthesized', p[2])
def p_expression_1(p):
'expression : expression_parenthesized'
p[0] = p[1]
def p_expression_2(p):
'expression : primary'
p[0] = p[1]
def p_expression_or_empty(p):
'''expression_or_empty : expression
| empty'''
p[0] = p[1]
def p_simple_statement(p):
'''simple_statement : return_statement
| break_statement
| continue_statement
| assignment_statement
| expression'''
p[0] = p[1]
def p_simple_statement_list_1(p):
'simple_statement_list : simple_statement'
p[0] = [p[1]]
def p_simple_statement_list_2(p):
'simple_statement_list : simple_statement_list COMMA simple_statement'
p[0] = p[1] + [p[2]]
def p_simple_statement_list_or_empty(p):
'''simple_statement_list_or_empty : simple_statement_list
| empty'''
p[0] = p[1]
def p_return_statement(p):
'return_statement : RETURN expression_or_empty'
p[0] = ('return_statement', p[2])
def p_start(p):
'start : class_declaration declarations_or_empty defaultproperties_or_empty'
p[0] = ('start', [p[1]] + [p[2]] + [p[3]])
def p_break_statement(p):
'break_statement : BREAK'
p[0] = ('break_statement', p[1])
def p_continue_statement(p):
'continue_statement : CONTINUE'
p[0] = ('continue_statement', p[1])
def p_error(p):
raise SyntaxError((p.lexer.lineno, p))
def p_codeline(p):
'''codeline : simple_statement SEMICOLON'''
p[0] = ('codeline', p[1])
def p_statement(p):
'''statement : codeline
| const_declaration
| compound_statement'''
p[0] = p[1]
def p_statements_1(p):
'statements : statement'
p[0] = [p[1]]
def p_statements_2(p):
'statements : statements statement'
p[0] = p[1] + [p[2]]
def p_statements_or_empty(p):
'''statements_or_empty : statements
| empty'''
p[0] = ('statements', p[1])
def p_compound_statement(p):
'''compound_statement : for_statement
| foreach_statement
| while_statement