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Adding gem5 source to svn.

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git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1819 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
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friemel
2012-10-24 19:18:57 +00:00
parent f7ff71bd46
commit b41eec3f65
3222 changed files with 658579 additions and 1 deletions
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2
simulators/gem5/ext/ply/example/ansic/README Normal file
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This example is incomplete. Was going to specify an ANSI C parser.
This is part of it.

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simulators/gem5/ext/ply/example/ansic/clex.py Normal file
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# ----------------------------------------------------------------------
# clex.py
#
# A lexer for ANSI C.
# ----------------------------------------------------------------------
import sys
sys.path.insert(0,"../..")
import ply.lex as lex
# Reserved words
reserved = (
'AUTO', 'BREAK', 'CASE', 'CHAR', 'CONST', 'CONTINUE', 'DEFAULT', 'DO', 'DOUBLE',
'ELSE', 'ENUM', 'EXTERN', 'FLOAT', 'FOR', 'GOTO', 'IF', 'INT', 'LONG', 'REGISTER',
'RETURN', 'SHORT', 'SIGNED', 'SIZEOF', 'STATIC', 'STRUCT', 'SWITCH', 'TYPEDEF',
'UNION', 'UNSIGNED', 'VOID', 'VOLATILE', 'WHILE',
)
tokens = reserved + (
# Literals (identifier, integer constant, float constant, string constant, char const)
'ID', 'TYPEID', 'ICONST', 'FCONST', 'SCONST', 'CCONST',
# Operators (+,-,*,/,%,|,&,~,^,<<,>>, ||, &&, !, <, <=, >, >=, ==, !=)
'PLUS', 'MINUS', 'TIMES', 'DIVIDE', 'MOD',
'OR', 'AND', 'NOT', 'XOR', 'LSHIFT', 'RSHIFT',
'LOR', 'LAND', 'LNOT',
'LT', 'LE', 'GT', 'GE', 'EQ', 'NE',
# Assignment (=, *=, /=, %=, +=, -=, <<=, >>=, &=, ^=, |=)
'EQUALS', 'TIMESEQUAL', 'DIVEQUAL', 'MODEQUAL', 'PLUSEQUAL', 'MINUSEQUAL',
'LSHIFTEQUAL','RSHIFTEQUAL', 'ANDEQUAL', 'XOREQUAL', 'OREQUAL',
# Increment/decrement (++,--)
'PLUSPLUS', 'MINUSMINUS',
# Structure dereference (->)
'ARROW',
# Conditional operator (?)
'CONDOP',
# Delimeters ( ) [ ] { } , . ; :
'LPAREN', 'RPAREN',
'LBRACKET', 'RBRACKET',
'LBRACE', 'RBRACE',
'COMMA', 'PERIOD', 'SEMI', 'COLON',
# Ellipsis (...)
'ELLIPSIS',
)
# Completely ignored characters
t_ignore = ' \t\x0c'
# Newlines
def t_NEWLINE(t):
r'\n+'
t.lexer.lineno += t.value.count("\n")
# Operators
t_PLUS = r'\+'
t_MINUS = r'-'
t_TIMES = r'\*'
t_DIVIDE = r'/'
t_MOD = r'%'
t_OR = r'\|'
t_AND = r'&'
t_NOT = r'~'
t_XOR = r'\^'
t_LSHIFT = r'<<'
t_RSHIFT = r'>>'
t_LOR = r'\|\|'
t_LAND = r'&&'
t_LNOT = r'!'
t_LT = r'<'
t_GT = r'>'
t_LE = r'<='
t_GE = r'>='
t_EQ = r'=='
t_NE = r'!='
# Assignment operators
t_EQUALS = r'='
t_TIMESEQUAL = r'\*='
t_DIVEQUAL = r'/='
t_MODEQUAL = r'%='
t_PLUSEQUAL = r'\+='
t_MINUSEQUAL = r'-='
t_LSHIFTEQUAL = r'<<='
t_RSHIFTEQUAL = r'>>='
t_ANDEQUAL = r'&='
t_OREQUAL = r'\|='
t_XOREQUAL = r'^='
# Increment/decrement
t_PLUSPLUS = r'\+\+'
t_MINUSMINUS = r'--'
# ->
t_ARROW = r'->'
# ?
t_CONDOP = r'\?'
# Delimeters
t_LPAREN = r'\('
t_RPAREN = r'\)'
t_LBRACKET = r'\['
t_RBRACKET = r'\]'
t_LBRACE = r'\{'
t_RBRACE = r'\}'
t_COMMA = r','
t_PERIOD = r'\.'
t_SEMI = r';'
t_COLON = r':'
t_ELLIPSIS = r'\.\.\.'
# Identifiers and reserved words
reserved_map = { }
for r in reserved:
reserved_map[r.lower()] = r
def t_ID(t):
r'[A-Za-z_][\w_]*'
t.type = reserved_map.get(t.value,"ID")
return t
# Integer literal
t_ICONST = r'\d+([uU]|[lL]|[uU][lL]|[lL][uU])?'
# Floating literal
t_FCONST = r'((\d+)(\.\d+)(e(\+|-)?(\d+))? | (\d+)e(\+|-)?(\d+))([lL]|[fF])?'
# String literal
t_SCONST = r'\"([^\\\n]|(\\.))*?\"'
# Character constant 'c' or L'c'
t_CCONST = r'(L)?\'([^\\\n]|(\\.))*?\''
# Comments
def t_comment(t):
r'/\*(.|\n)*?\*/'
t.lexer.lineno += t.value.count('\n')
# Preprocessor directive (ignored)
def t_preprocessor(t):
r'\#(.)*?\n'
t.lexer.lineno += 1
def t_error(t):
print("Illegal character %s" % repr(t.value[0]))
t.lexer.skip(1)
lexer = lex.lex(optimize=1)
if __name__ == "__main__":
lex.runmain(lexer)

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simulators/gem5/ext/ply/example/ansic/cparse.py Normal file
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# -----------------------------------------------------------------------------
# cparse.py
#
# Simple parser for ANSI C. Based on the grammar in K&R, 2nd Ed.
# -----------------------------------------------------------------------------
import sys
import clex
import ply.yacc as yacc
# Get the token map
tokens = clex.tokens
# translation-unit:
def p_translation_unit_1(t):
'translation_unit : external_declaration'
pass
def p_translation_unit_2(t):
'translation_unit : translation_unit external_declaration'
pass
# external-declaration:
def p_external_declaration_1(t):
'external_declaration : function_definition'
pass
def p_external_declaration_2(t):
'external_declaration : declaration'
pass
# function-definition:
def p_function_definition_1(t):
'function_definition : declaration_specifiers declarator declaration_list compound_statement'
pass
def p_function_definition_2(t):
'function_definition : declarator declaration_list compound_statement'
pass
def p_function_definition_3(t):
'function_definition : declarator compound_statement'
pass
def p_function_definition_4(t):
'function_definition : declaration_specifiers declarator compound_statement'
pass
# declaration:
def p_declaration_1(t):
'declaration : declaration_specifiers init_declarator_list SEMI'
pass
def p_declaration_2(t):
'declaration : declaration_specifiers SEMI'
pass
# declaration-list:
def p_declaration_list_1(t):
'declaration_list : declaration'
pass
def p_declaration_list_2(t):
'declaration_list : declaration_list declaration '
pass
# declaration-specifiers
def p_declaration_specifiers_1(t):
'declaration_specifiers : storage_class_specifier declaration_specifiers'
pass
def p_declaration_specifiers_2(t):
'declaration_specifiers : type_specifier declaration_specifiers'
pass
def p_declaration_specifiers_3(t):
'declaration_specifiers : type_qualifier declaration_specifiers'
pass
def p_declaration_specifiers_4(t):
'declaration_specifiers : storage_class_specifier'
pass
def p_declaration_specifiers_5(t):
'declaration_specifiers : type_specifier'
pass
def p_declaration_specifiers_6(t):
'declaration_specifiers : type_qualifier'
pass
# storage-class-specifier
def p_storage_class_specifier(t):
'''storage_class_specifier : AUTO
| REGISTER
| STATIC
| EXTERN
| TYPEDEF
'''
pass
# type-specifier:
def p_type_specifier(t):
'''type_specifier : VOID
| CHAR
| SHORT
| INT
| LONG
| FLOAT
| DOUBLE
| SIGNED
| UNSIGNED
| struct_or_union_specifier
| enum_specifier
| TYPEID
'''
pass
# type-qualifier:
def p_type_qualifier(t):
'''type_qualifier : CONST
| VOLATILE'''
pass
# struct-or-union-specifier
def p_struct_or_union_specifier_1(t):
'struct_or_union_specifier : struct_or_union ID LBRACE struct_declaration_list RBRACE'
pass
def p_struct_or_union_specifier_2(t):
'struct_or_union_specifier : struct_or_union LBRACE struct_declaration_list RBRACE'
pass
def p_struct_or_union_specifier_3(t):
'struct_or_union_specifier : struct_or_union ID'
pass
# struct-or-union:
def p_struct_or_union(t):
'''struct_or_union : STRUCT
| UNION
'''
pass
# struct-declaration-list:
def p_struct_declaration_list_1(t):
'struct_declaration_list : struct_declaration'
pass
def p_struct_declaration_list_2(t):
'struct_declaration_list : struct_declaration_list struct_declaration'
pass
# init-declarator-list:
def p_init_declarator_list_1(t):
'init_declarator_list : init_declarator'
pass
def p_init_declarator_list_2(t):
'init_declarator_list : init_declarator_list COMMA init_declarator'
pass
# init-declarator
def p_init_declarator_1(t):
'init_declarator : declarator'
pass
def p_init_declarator_2(t):
'init_declarator : declarator EQUALS initializer'
pass
# struct-declaration:
def p_struct_declaration(t):
'struct_declaration : specifier_qualifier_list struct_declarator_list SEMI'
pass
# specifier-qualifier-list:
def p_specifier_qualifier_list_1(t):
'specifier_qualifier_list : type_specifier specifier_qualifier_list'
pass
def p_specifier_qualifier_list_2(t):
'specifier_qualifier_list : type_specifier'
pass
def p_specifier_qualifier_list_3(t):
'specifier_qualifier_list : type_qualifier specifier_qualifier_list'
pass
def p_specifier_qualifier_list_4(t):
'specifier_qualifier_list : type_qualifier'
pass
# struct-declarator-list:
def p_struct_declarator_list_1(t):
'struct_declarator_list : struct_declarator'
pass
def p_struct_declarator_list_2(t):
'struct_declarator_list : struct_declarator_list COMMA struct_declarator'
pass
# struct-declarator:
def p_struct_declarator_1(t):
'struct_declarator : declarator'
pass
def p_struct_declarator_2(t):
'struct_declarator : declarator COLON constant_expression'
pass
def p_struct_declarator_3(t):
'struct_declarator : COLON constant_expression'
pass
# enum-specifier:
def p_enum_specifier_1(t):
'enum_specifier : ENUM ID LBRACE enumerator_list RBRACE'
pass
def p_enum_specifier_2(t):
'enum_specifier : ENUM LBRACE enumerator_list RBRACE'
pass
def p_enum_specifier_3(t):
'enum_specifier : ENUM ID'
pass
# enumerator_list:
def p_enumerator_list_1(t):
'enumerator_list : enumerator'
pass
def p_enumerator_list_2(t):
'enumerator_list : enumerator_list COMMA enumerator'
pass
# enumerator:
def p_enumerator_1(t):
'enumerator : ID'
pass
def p_enumerator_2(t):
'enumerator : ID EQUALS constant_expression'
pass
# declarator:
def p_declarator_1(t):
'declarator : pointer direct_declarator'
pass
def p_declarator_2(t):
'declarator : direct_declarator'
pass
# direct-declarator:
def p_direct_declarator_1(t):
'direct_declarator : ID'
pass
def p_direct_declarator_2(t):
'direct_declarator : LPAREN declarator RPAREN'
pass
def p_direct_declarator_3(t):
'direct_declarator : direct_declarator LBRACKET constant_expression_opt RBRACKET'
pass
def p_direct_declarator_4(t):
'direct_declarator : direct_declarator LPAREN parameter_type_list RPAREN '
pass
def p_direct_declarator_5(t):
'direct_declarator : direct_declarator LPAREN identifier_list RPAREN '
pass
def p_direct_declarator_6(t):
'direct_declarator : direct_declarator LPAREN RPAREN '
pass
# pointer:
def p_pointer_1(t):
'pointer : TIMES type_qualifier_list'
pass
def p_pointer_2(t):
'pointer : TIMES'
pass
def p_pointer_3(t):
'pointer : TIMES type_qualifier_list pointer'
pass
def p_pointer_4(t):
'pointer : TIMES pointer'
pass
# type-qualifier-list:
def p_type_qualifier_list_1(t):
'type_qualifier_list : type_qualifier'
pass
def p_type_qualifier_list_2(t):
'type_qualifier_list : type_qualifier_list type_qualifier'
pass
# parameter-type-list:
def p_parameter_type_list_1(t):
'parameter_type_list : parameter_list'
pass
def p_parameter_type_list_2(t):
'parameter_type_list : parameter_list COMMA ELLIPSIS'
pass
# parameter-list:
def p_parameter_list_1(t):
'parameter_list : parameter_declaration'
pass
def p_parameter_list_2(t):
'parameter_list : parameter_list COMMA parameter_declaration'
pass
# parameter-declaration:
def p_parameter_declaration_1(t):
'parameter_declaration : declaration_specifiers declarator'
pass
def p_parameter_declaration_2(t):
'parameter_declaration : declaration_specifiers abstract_declarator_opt'
pass
# identifier-list:
def p_identifier_list_1(t):
'identifier_list : ID'
pass
def p_identifier_list_2(t):
'identifier_list : identifier_list COMMA ID'
pass
# initializer:
def p_initializer_1(t):
'initializer : assignment_expression'
pass
def p_initializer_2(t):
'''initializer : LBRACE initializer_list RBRACE
| LBRACE initializer_list COMMA RBRACE'''
pass
# initializer-list:
def p_initializer_list_1(t):
'initializer_list : initializer'
pass
def p_initializer_list_2(t):
'initializer_list : initializer_list COMMA initializer'
pass
# type-name:
def p_type_name(t):
'type_name : specifier_qualifier_list abstract_declarator_opt'
pass
def p_abstract_declarator_opt_1(t):
'abstract_declarator_opt : empty'
pass
def p_abstract_declarator_opt_2(t):
'abstract_declarator_opt : abstract_declarator'
pass
# abstract-declarator:
def p_abstract_declarator_1(t):
'abstract_declarator : pointer '
pass
def p_abstract_declarator_2(t):
'abstract_declarator : pointer direct_abstract_declarator'
pass
def p_abstract_declarator_3(t):
'abstract_declarator : direct_abstract_declarator'
pass
# direct-abstract-declarator:
def p_direct_abstract_declarator_1(t):
'direct_abstract_declarator : LPAREN abstract_declarator RPAREN'
pass
def p_direct_abstract_declarator_2(t):
'direct_abstract_declarator : direct_abstract_declarator LBRACKET constant_expression_opt RBRACKET'
pass
def p_direct_abstract_declarator_3(t):
'direct_abstract_declarator : LBRACKET constant_expression_opt RBRACKET'
pass
def p_direct_abstract_declarator_4(t):
'direct_abstract_declarator : direct_abstract_declarator LPAREN parameter_type_list_opt RPAREN'
pass
def p_direct_abstract_declarator_5(t):
'direct_abstract_declarator : LPAREN parameter_type_list_opt RPAREN'
pass
# Optional fields in abstract declarators
def p_constant_expression_opt_1(t):
'constant_expression_opt : empty'
pass
def p_constant_expression_opt_2(t):
'constant_expression_opt : constant_expression'
pass
def p_parameter_type_list_opt_1(t):
'parameter_type_list_opt : empty'
pass
def p_parameter_type_list_opt_2(t):
'parameter_type_list_opt : parameter_type_list'
pass
# statement:
def p_statement(t):
'''
statement : labeled_statement
| expression_statement
| compound_statement
| selection_statement
| iteration_statement
| jump_statement
'''
pass
# labeled-statement:
def p_labeled_statement_1(t):
'labeled_statement : ID COLON statement'
pass
def p_labeled_statement_2(t):
'labeled_statement : CASE constant_expression COLON statement'
pass
def p_labeled_statement_3(t):
'labeled_statement : DEFAULT COLON statement'
pass
# expression-statement:
def p_expression_statement(t):
'expression_statement : expression_opt SEMI'
pass
# compound-statement:
def p_compound_statement_1(t):
'compound_statement : LBRACE declaration_list statement_list RBRACE'
pass
def p_compound_statement_2(t):
'compound_statement : LBRACE statement_list RBRACE'
pass
def p_compound_statement_3(t):
'compound_statement : LBRACE declaration_list RBRACE'
pass
def p_compound_statement_4(t):
'compound_statement : LBRACE RBRACE'
pass
# statement-list:
def p_statement_list_1(t):
'statement_list : statement'
pass
def p_statement_list_2(t):
'statement_list : statement_list statement'
pass
# selection-statement
def p_selection_statement_1(t):
'selection_statement : IF LPAREN expression RPAREN statement'
pass
def p_selection_statement_2(t):
'selection_statement : IF LPAREN expression RPAREN statement ELSE statement '
pass
def p_selection_statement_3(t):
'selection_statement : SWITCH LPAREN expression RPAREN statement '
pass
# iteration_statement:
def p_iteration_statement_1(t):
'iteration_statement : WHILE LPAREN expression RPAREN statement'
pass
def p_iteration_statement_2(t):
'iteration_statement : FOR LPAREN expression_opt SEMI expression_opt SEMI expression_opt RPAREN statement '
pass
def p_iteration_statement_3(t):
'iteration_statement : DO statement WHILE LPAREN expression RPAREN SEMI'
pass
# jump_statement:
def p_jump_statement_1(t):
'jump_statement : GOTO ID SEMI'
pass
def p_jump_statement_2(t):
'jump_statement : CONTINUE SEMI'
pass
def p_jump_statement_3(t):
'jump_statement : BREAK SEMI'
pass
def p_jump_statement_4(t):
'jump_statement : RETURN expression_opt SEMI'
pass
def p_expression_opt_1(t):
'expression_opt : empty'
pass
def p_expression_opt_2(t):
'expression_opt : expression'
pass
# expression:
def p_expression_1(t):
'expression : assignment_expression'
pass
def p_expression_2(t):
'expression : expression COMMA assignment_expression'
pass
# assigment_expression:
def p_assignment_expression_1(t):
'assignment_expression : conditional_expression'
pass
def p_assignment_expression_2(t):
'assignment_expression : unary_expression assignment_operator assignment_expression'
pass
# assignment_operator:
def p_assignment_operator(t):
'''
assignment_operator : EQUALS
| TIMESEQUAL
| DIVEQUAL
| MODEQUAL
| PLUSEQUAL
| MINUSEQUAL
| LSHIFTEQUAL
| RSHIFTEQUAL
| ANDEQUAL
| OREQUAL
| XOREQUAL
'''
pass
# conditional-expression
def p_conditional_expression_1(t):
'conditional_expression : logical_or_expression'
pass
def p_conditional_expression_2(t):
'conditional_expression : logical_or_expression CONDOP expression COLON conditional_expression '
pass
# constant-expression
def p_constant_expression(t):
'constant_expression : conditional_expression'
pass
# logical-or-expression
def p_logical_or_expression_1(t):
'logical_or_expression : logical_and_expression'
pass
def p_logical_or_expression_2(t):
'logical_or_expression : logical_or_expression LOR logical_and_expression'
pass
# logical-and-expression
def p_logical_and_expression_1(t):
'logical_and_expression : inclusive_or_expression'
pass
def p_logical_and_expression_2(t):
'logical_and_expression : logical_and_expression LAND inclusive_or_expression'
pass
# inclusive-or-expression:
def p_inclusive_or_expression_1(t):
'inclusive_or_expression : exclusive_or_expression'
pass
def p_inclusive_or_expression_2(t):
'inclusive_or_expression : inclusive_or_expression OR exclusive_or_expression'
pass
# exclusive-or-expression:
def p_exclusive_or_expression_1(t):
'exclusive_or_expression : and_expression'
pass
def p_exclusive_or_expression_2(t):
'exclusive_or_expression : exclusive_or_expression XOR and_expression'
pass
# AND-expression
def p_and_expression_1(t):
'and_expression : equality_expression'
pass
def p_and_expression_2(t):
'and_expression : and_expression AND equality_expression'
pass
# equality-expression:
def p_equality_expression_1(t):
'equality_expression : relational_expression'
pass
def p_equality_expression_2(t):
'equality_expression : equality_expression EQ relational_expression'
pass
def p_equality_expression_3(t):
'equality_expression : equality_expression NE relational_expression'
pass
# relational-expression:
def p_relational_expression_1(t):
'relational_expression : shift_expression'
pass
def p_relational_expression_2(t):
'relational_expression : relational_expression LT shift_expression'
pass
def p_relational_expression_3(t):
'relational_expression : relational_expression GT shift_expression'
pass
def p_relational_expression_4(t):
'relational_expression : relational_expression LE shift_expression'
pass
def p_relational_expression_5(t):
'relational_expression : relational_expression GE shift_expression'
pass
# shift-expression
def p_shift_expression_1(t):
'shift_expression : additive_expression'
pass
def p_shift_expression_2(t):
'shift_expression : shift_expression LSHIFT additive_expression'
pass
def p_shift_expression_3(t):
'shift_expression : shift_expression RSHIFT additive_expression'
pass
# additive-expression
def p_additive_expression_1(t):
'additive_expression : multiplicative_expression'
pass
def p_additive_expression_2(t):
'additive_expression : additive_expression PLUS multiplicative_expression'
pass
def p_additive_expression_3(t):
'additive_expression : additive_expression MINUS multiplicative_expression'
pass
# multiplicative-expression
def p_multiplicative_expression_1(t):
'multiplicative_expression : cast_expression'
pass
def p_multiplicative_expression_2(t):
'multiplicative_expression : multiplicative_expression TIMES cast_expression'
pass
def p_multiplicative_expression_3(t):
'multiplicative_expression : multiplicative_expression DIVIDE cast_expression'
pass
def p_multiplicative_expression_4(t):
'multiplicative_expression : multiplicative_expression MOD cast_expression'
pass
# cast-expression:
def p_cast_expression_1(t):
'cast_expression : unary_expression'
pass
def p_cast_expression_2(t):
'cast_expression : LPAREN type_name RPAREN cast_expression'
pass
# unary-expression:
def p_unary_expression_1(t):
'unary_expression : postfix_expression'
pass
def p_unary_expression_2(t):
'unary_expression : PLUSPLUS unary_expression'
pass
def p_unary_expression_3(t):
'unary_expression : MINUSMINUS unary_expression'
pass
def p_unary_expression_4(t):
'unary_expression : unary_operator cast_expression'
pass
def p_unary_expression_5(t):
'unary_expression : SIZEOF unary_expression'
pass
def p_unary_expression_6(t):
'unary_expression : SIZEOF LPAREN type_name RPAREN'
pass
#unary-operator
def p_unary_operator(t):
'''unary_operator : AND
| TIMES
| PLUS
| MINUS
| NOT
| LNOT '''
pass
# postfix-expression:
def p_postfix_expression_1(t):
'postfix_expression : primary_expression'
pass
def p_postfix_expression_2(t):
'postfix_expression : postfix_expression LBRACKET expression RBRACKET'
pass
def p_postfix_expression_3(t):
'postfix_expression : postfix_expression LPAREN argument_expression_list RPAREN'
pass
def p_postfix_expression_4(t):
'postfix_expression : postfix_expression LPAREN RPAREN'
pass
def p_postfix_expression_5(t):
'postfix_expression : postfix_expression PERIOD ID'
pass
def p_postfix_expression_6(t):
'postfix_expression : postfix_expression ARROW ID'
pass
def p_postfix_expression_7(t):
'postfix_expression : postfix_expression PLUSPLUS'
pass
def p_postfix_expression_8(t):
'postfix_expression : postfix_expression MINUSMINUS'
pass
# primary-expression:
def p_primary_expression(t):
'''primary_expression : ID
| constant
| SCONST
| LPAREN expression RPAREN'''
pass
# argument-expression-list:
def p_argument_expression_list(t):
'''argument_expression_list : assignment_expression
| argument_expression_list COMMA assignment_expression'''
pass
# constant:
def p_constant(t):
'''constant : ICONST
| FCONST
| CCONST'''
pass
def p_empty(t):
'empty : '
pass
def p_error(t):
print("Whoa. We're hosed")
import profile
# Build the grammar
yacc.yacc(method='LALR')
#profile.run("yacc.yacc(method='LALR')")