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Initial Commit of CyanWorlds.com Engine Open Source Client/Plugin
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graminit.h
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graminit.c
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Makefile
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# Grammar for Python
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# Note: Changing the grammar specified in this file will most likely
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# require corresponding changes in the parser module
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# (../Modules/parsermodule.c). If you can't make the changes to
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# that module yourself, please co-ordinate the required changes
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# with someone who can; ask around on python-dev for help. Fred
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# Drake <fdrake@acm.org> will probably be listening there.
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# Commands for Kees Blom's railroad program
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#diagram:token NAME
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#diagram:token NUMBER
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#diagram:token STRING
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#diagram:token NEWLINE
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#diagram:token ENDMARKER
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#diagram:token INDENT
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#diagram:output\input python.bla
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#diagram:token DEDENT
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#diagram:output\textwidth 20.04cm\oddsidemargin 0.0cm\evensidemargin 0.0cm
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#diagram:rules
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# Start symbols for the grammar:
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# single_input is a single interactive statement;
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# file_input is a module or sequence of commands read from an input file;
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# eval_input is the input for the eval() and input() functions.
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# NB: compound_stmt in single_input is followed by extra NEWLINE!
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single_input: NEWLINE | simple_stmt | compound_stmt NEWLINE
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file_input: (NEWLINE | stmt)* ENDMARKER
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eval_input: testlist NEWLINE* ENDMARKER
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funcdef: 'def' NAME parameters ':' suite
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parameters: '(' [varargslist] ')'
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varargslist: (fpdef ['=' test] ',')* ('*' NAME [',' '**' NAME] | '**' NAME) | fpdef ['=' test] (',' fpdef ['=' test])* [',']
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fpdef: NAME | '(' fplist ')'
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fplist: fpdef (',' fpdef)* [',']
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stmt: simple_stmt | compound_stmt
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simple_stmt: small_stmt (';' small_stmt)* [';'] NEWLINE
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small_stmt: expr_stmt | print_stmt | del_stmt | pass_stmt | flow_stmt | import_stmt | global_stmt | exec_stmt | assert_stmt
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expr_stmt: testlist (augassign testlist | ('=' testlist)*)
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augassign: '+=' | '-=' | '*=' | '/=' | '%=' | '&=' | '|=' | '^=' | '<<=' | '>>=' | '**=' | '//='
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# For normal assignments, additional restrictions enforced by the interpreter
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print_stmt: 'print' ( [ test (',' test)* [','] ] | '>>' test [ (',' test)+ [','] ] )
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del_stmt: 'del' exprlist
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pass_stmt: 'pass'
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flow_stmt: break_stmt | continue_stmt | return_stmt | raise_stmt | yield_stmt
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break_stmt: 'break'
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continue_stmt: 'continue'
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return_stmt: 'return' [testlist]
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yield_stmt: 'yield' testlist
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raise_stmt: 'raise' [test [',' test [',' test]]]
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import_stmt: 'import' dotted_as_name (',' dotted_as_name)* | 'from' dotted_name 'import' ('*' | import_as_name (',' import_as_name)*)
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import_as_name: NAME [NAME NAME]
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dotted_as_name: dotted_name [NAME NAME]
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dotted_name: NAME ('.' NAME)*
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global_stmt: 'global' NAME (',' NAME)*
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exec_stmt: 'exec' expr ['in' test [',' test]]
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assert_stmt: 'assert' test [',' test]
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compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | funcdef | classdef
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if_stmt: 'if' test ':' suite ('elif' test ':' suite)* ['else' ':' suite]
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while_stmt: 'while' test ':' suite ['else' ':' suite]
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for_stmt: 'for' exprlist 'in' testlist ':' suite ['else' ':' suite]
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try_stmt: ('try' ':' suite (except_clause ':' suite)+ #diagram:break
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['else' ':' suite] | 'try' ':' suite 'finally' ':' suite)
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# NB compile.c makes sure that the default except clause is last
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except_clause: 'except' [test [',' test]]
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suite: simple_stmt | NEWLINE INDENT stmt+ DEDENT
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test: and_test ('or' and_test)* | lambdef
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and_test: not_test ('and' not_test)*
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not_test: 'not' not_test | comparison
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comparison: expr (comp_op expr)*
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comp_op: '<'|'>'|'=='|'>='|'<='|'<>'|'!='|'in'|'not' 'in'|'is'|'is' 'not'
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expr: xor_expr ('|' xor_expr)*
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xor_expr: and_expr ('^' and_expr)*
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and_expr: shift_expr ('&' shift_expr)*
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shift_expr: arith_expr (('<<'|'>>') arith_expr)*
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arith_expr: term (('+'|'-') term)*
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term: factor (('*'|'/'|'%'|'//') factor)*
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factor: ('+'|'-'|'~') factor | power
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power: atom trailer* ['**' factor]
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atom: '(' [testlist] ')' | '[' [listmaker] ']' | '{' [dictmaker] '}' | '`' testlist1 '`' | NAME | NUMBER | STRING+
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listmaker: test ( list_for | (',' test)* [','] )
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lambdef: 'lambda' [varargslist] ':' test
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trailer: '(' [arglist] ')' | '[' subscriptlist ']' | '.' NAME
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subscriptlist: subscript (',' subscript)* [',']
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subscript: '.' '.' '.' | test | [test] ':' [test] [sliceop]
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sliceop: ':' [test]
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exprlist: expr (',' expr)* [',']
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testlist: test (',' test)* [',']
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testlist_safe: test [(',' test)+ [',']]
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dictmaker: test ':' test (',' test ':' test)* [',']
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classdef: 'class' NAME ['(' testlist ')'] ':' suite
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arglist: (argument ',')* (argument [',']| '*' test [',' '**' test] | '**' test)
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argument: [test '='] test # Really [keyword '='] test
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list_iter: list_for | list_if
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list_for: 'for' exprlist 'in' testlist_safe [list_iter]
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list_if: 'if' test [list_iter]
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testlist1: test (',' test)*
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# not used in grammar, but may appear in "node" passed from Parser to Compiler
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encoding_decl: NAME
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