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How to use increase_indent method in molecule
Best Python code snippet using molecule_python
CompilationEngine.py
Source:CompilationEngine.py 
...35 def compile_class(self):36 # create symbol table for class37 self.symbol_table = SymbolTable()38 self.add_opening_tag('class')39 self.increase_indent()40 self.write_next_token() # 'class'41 self.class_name = self.write_next_token() # className42 self.write_next_token() # {43 while self.tokenizer.has_more_tokens():44 if self.tokenizer.look_ahead()[1] in set(['static', 'field']):45 self.compile_class_var_dec()46 elif self.tokenizer.look_ahead()[1] in set(['function', 'constructor', 'method']):47 self.compile_subroutine()48 elif self.tokenizer.look_ahead()[1] == '}':49 self.write_next_token() # }50 # print self.symbol_table.class_symbols51 self.decrease_indent()52 self.add_closing_tag('class')53 # ('static' | 'field' ) type varName (',' varName)* ';'54 def compile_class_var_dec(self):55 tokens = []56 self.add_opening_tag('classVarDec')57 self.increase_indent()58 while self.tokenizer.look_ahead()[1] != ';':59 tokens.append(self.write_next_token())60 self.symbol_table.add_class_var(tokens)61 self.write_next_token()62 self.decrease_indent()63 self.add_closing_tag('classVarDec')64 # ('constructor' | 'function' | 'method') ('void' | type) subroutineName '(' parameterList ')' subroutineBody65 def compile_subroutine(self):66 self.symbol_table.reset_subroutine()67 # add class to sub_symbols table68 self.add_opening_tag('subroutineDec')69 self.increase_indent()70 f_type = self.write_next_token() # constructor|function|method71 # if f_type in {'method', 'constructor'}:72 if f_type == 'method':73 self.symbol_table.add_sub_var('arg', self.class_name, 'this')74 self.write_next_token() # 'void'|type75 f_name = self.write_next_token() # subroutineName76 self.compile_param_list()77 self.write_next_token() # )78 # tokens = { varDec*79 self.write_next_token() # {80 num_locals = 081 while self.tokenizer.look_ahead()[1] == 'var':82 # figure out number of vars83 num_locals += self.compile_var_dec()84 self.VMwriter.write_function('{}.{}'.format(self.class_name, f_name), num_locals)85 if f_type == 'method':86 # push this87 self.VMwriter.write_push('arg', 0)88 # store memory address of this obj in this89 self.VMwriter.write_pop('pointer', 0)90 elif f_type == 'constructor':91 # push fields onto stack, allocate that much memory92 num_fields = self.symbol_table.num_field_vars()93 self.VMwriter.write_push('constant', num_fields)94 self.VMwriter.write_call('Memory.alloc', 1)95 self.VMwriter.write_pop('pointer', 0)96 self.compile_subroutine_body()97 self.decrease_indent()98 self.add_closing_tag('subroutineDec')99 # statements '}'100 def compile_subroutine_body(self):101 self.add_opening_tag('subroutineBody')102 self.increase_indent()103 while self.tokenizer.look_ahead()[1] != '}':104 self.compile_statements()105 self.write_next_token() # }106 self.decrease_indent()107 self.add_closing_tag('subroutineBody')108 # ( (type varName) (',' type varName)*)?109 def compile_param_list(self):110 self.add_opening_tag('parameterList')111 self.increase_indent()112 while self.tokenizer.look_ahead()[1] != ')':113 token = self.tokenizer.look_ahead()114 # ( OR ,115 if token[0] == 'symbol':116 token_type = None117 elif token[0] == 'keyword':118 token_type = token[1]119 else:120 if token_type:121 token_name = token[1]122 self.symbol_table.add_sub_var('arg', token_type, token_name)123 else:124 token_type = token[1]125 self.write_next_token()126 self.decrease_indent()127 self.add_closing_tag('parameterList')128 # 'var' type varName (',' varName)* ';'129 def compile_var_dec(self):130 self.add_opening_tag('varDec')131 self.increase_indent()132 self.write_next_token() # var133 token_type = self.write_next_token() # type134 num_vars = 0135 while self.tokenizer.look_ahead()[1] != ';':136 token = self.tokenizer.look_ahead()137 if token[0] == 'identifier':138 num_vars += 1139 token_name = token[1]140 self.symbol_table.add_sub_var('var', token_type, token_name)141 self.write_next_token()142 self.write_next_token() # ;143 self.decrease_indent()144 self.add_closing_tag('varDec')145 return num_vars146 # statement*147 # letStatement | ifStatement | whileStatement | doStatement | returnStatement148 def compile_statements(self):149 self.add_opening_tag('statements')150 self.increase_indent()151 while self.tokenizer.look_ahead()[1] != '}':152 if self.tokenizer.look_ahead()[1] == 'do':153 self.compile_do()154 elif self.tokenizer.look_ahead()[1] == 'let':155 self.compile_let()156 elif self.tokenizer.look_ahead()[1] == 'while':157 self.compile_while()158 elif self.tokenizer.look_ahead()[1] == 'if':159 self.compile_if()160 elif self.tokenizer.look_ahead()[1] == 'return':161 self.compile_return()162 self.decrease_indent()163 self.add_closing_tag('statements')164 # subroutineCall: subroutineName '(' expressionList ')' | ( className | varName) '.' subroutineName '(' expressionList ')'165 def compile_subroutine_call(self):166 call_name = self.write_next_token() # subroutineName|className|varName167 # lookup in symbol table call_name168 symbol = self.symbol_table.sub_symbols.get(call_name, None)169 if not symbol:170 symbol = self.symbol_table.class_symbols.get(call_name, None)171 # entering expressionlist172 # subroutine case 2: show(x, y, z) (method)173 if self.tokenizer.look_ahead()[1] == '(':174 self.write_next_token() # (175 # first push class as "this"176 self.VMwriter.write_push('pointer', 0)177 num_exp = self.compile_expression_list() + 1178 self.write_next_token() # )179 self.VMwriter.write_call('{}.{}'.format(self.class_name, call_name), num_exp)180 # subroutineCall case 1:181 elif self.tokenizer.look_ahead()[1] == '.':182 self.write_next_token() # .183 method_name = self.write_next_token() # subroutineName184 self.write_next_token() # (185 # game.run()186 if symbol:187 self.VMwriter.write_push(symbol['kind'], symbol['index'])188 call_name = symbol['type']189 # Math.multiply(x, y)190 num_exp = self.compile_expression_list()191 if symbol:192 # this means we're operating on a method193 num_exp += 1194 # writes the VM command that calls the function with number of args195 self.VMwriter.write_call('{}.{}'.format(call_name, method_name), num_exp)196 self.write_next_token() # )197 # 'do' subroutineCall ';'198 def compile_do(self):199 self.add_opening_tag('doStatement')200 self.increase_indent()201 self.write_next_token() # do202 self.compile_subroutine_call() # subroutine call203 # throw away top stack item204 self.VMwriter.write_pop('temp', 0)205 self.write_next_token() # ;206 self.decrease_indent()207 self.add_closing_tag('doStatement')208 # 'let' varName ('[' expression ']')? '=' expression ';'209 def compile_let(self):210 self.add_opening_tag('letStatement')211 self.increase_indent()212 self.write_next_token() # let213 token = self.write_next_token() # varName214 symbol = self.symbol_table.sub_symbols.get(token, None)215 if not symbol:216 symbol = self.symbol_table.class_symbols.get(token, None)217 # [ expression ]218 did_index = False219 if self.tokenizer.look_ahead()[1] == '[':220 # only push if we're indexing array221 self.VMwriter.write_push(symbol['kind'], symbol['index'])222 did_index = True223 self.write_next_token() # [224 self.compile_expression() # expression225 self.write_next_token() # ]226 # add token and index (from compiled expression)227 self.VMwriter.write_arithmetic('+')228 self.write_next_token() # =229 # write expression and place on stack230 self.compile_expression()231 if did_index:232 self.VMwriter.write_pop('temp', 0)233 self.VMwriter.write_pop('pointer', 1)234 self.VMwriter.write_push('temp', 0)235 self.VMwriter.write_pop('that', 0)236 else:237 # pop symboltable[symbol]238 self.VMwriter.write_pop(symbol['kind'], symbol['index'])239 self.write_next_token() # ;240 self.decrease_indent()241 self.add_closing_tag('letStatement')242 # 'while' '(' expression ')' '{' statements '}'243 def compile_while(self):244 self.label_index += 1245 label = self.label_index246 self.add_opening_tag('whileStatement')247 self.increase_indent()248 self.write_next_token() # while249 self.VMwriter.write_label('WHILE_COND{}'.format(label))250 self.write_next_token() # (251 self.compile_expression()252 self.write_next_token() # )253 self.VMwriter.write_arithmetic('~', unary=True)254 self.VMwriter.write_if('END_WHILE{}'.format(label))255 self.write_next_token() # {256 while self.tokenizer.look_ahead()[1] != '}':257 self.compile_statements()258 self.write_next_token() # }259 self.VMwriter.write_goto('WHILE_COND{}'.format(label))260 self.VMwriter.write_label('END_WHILE{}'.format(label))261 self.decrease_indent()262 self.add_closing_tag('whileStatement')263 # 'return' expression? ';'264 def compile_return(self):265 self.add_opening_tag('returnStatement')266 self.increase_indent()267 self.write_next_token() # return268 # returns nothing269 if self.tokenizer.look_ahead()[1] == ';':270 self.VMwriter.write_push('constant', 0)271 while self.tokenizer.look_ahead()[1] != ';':272 self.compile_expression()273 # write return274 self.VMwriter.write_return()275 self.write_next_token() # ;276 self.decrease_indent()277 self.add_closing_tag('returnStatement')278 # 'if' '(' expression ')' '{' statements '}' ( 'else' '{' statements '}' )?279 # if (expression) {s1} else {s2}280 # if (expression) {s1} ==> not expression; if-goto l1; s1; l1281 def compile_if(self):282 self.label_index += 1283 label = self.label_index284 self.add_opening_tag('ifStatement')285 self.increase_indent()286 self.write_next_token() # if287 self.write_next_token() # (288 self.compile_expression()289 self.write_next_token() # )290 self.VMwriter.write_if('IF_TRUE{}'.format(label))291 self.VMwriter.write_goto('IF_FALSE{}'.format(label))292 self.VMwriter.write_label('IF_TRUE{}'.format(label))293 self.write_next_token() # {294 self.compile_statements() # s1295 self.write_next_token() # }296 # [else]297 # goto end298 self.VMwriter.write_goto('IF_END{}'.format(label))299 self.VMwriter.write_label('IF_FALSE{}'.format(label))300 if self.tokenizer.look_ahead()[1] == 'else': # l1301 self.write_next_token() # else302 # write label for else code executions303 self.write_next_token() # {304 self.compile_statements() # s2305 self.write_next_token() # }306 self.VMwriter.write_label('IF_END{}'.format(label))307 self.decrease_indent()308 self.add_closing_tag('ifStatement')309 # term (op term)*310 def compile_expression(self):311 self.add_opening_tag('expression')312 self.increase_indent()313 self.compile_term() # term314 while self.tokenizer.look_ahead()[1] in ops:315 self.tokenizer.look_ahead()[1]316 operation = self.write_next_token() # op317 self.compile_term()318 self.VMwriter.write_arithmetic(operation)319 self.decrease_indent()320 self.add_closing_tag('expression')321 # integerConstant | stringConstant | keywordConstant | varName |322 # varName '[' expression ']' | subroutineCall | '(' expression ')' | unaryOp term323 def compile_term(self):324 self.add_opening_tag('term')325 self.increase_indent()326 next_token = self.tokenizer.look_ahead()327 if next_token[1] in unary_ops:328 operation = self.write_next_token() # unaryOp329 self.compile_term() # term330 self.VMwriter.write_arithmetic(operation, unary=True)331 elif next_token[1] == '(':332 self.write_next_token() # (333 self.compile_expression() # expression334 self.write_next_token() # )335 else: # some sort of identifier is present first336 # subroutineCall337 if self.tokenizer.tokens[1][1] in {'.', '('}:338 self.compile_subroutine_call()339 # varname|intconstant|stringconstant|keywordconstant340 else:341 token = self.write_next_token() # write identifer342 token_type = self.tokenizer.get_token_type()343 symbol = self.symbol_table.sub_symbols.get(token, None)344 if not symbol:345 symbol = self.symbol_table.class_symbols.get(token, None)346 # varName ([expression])?347 if symbol and token != 'this':348 # evaluating a term, so needs to be on stack349 self.VMwriter.write_push(symbol['kind'], symbol['index'])350 # [ expression ]351 if self.tokenizer.look_ahead()[1] == '[':352 self.write_next_token() # [353 self.compile_expression() # expression354 self.write_next_token() # ]355 # add token and index (from compiled expression)356 self.VMwriter.write_arithmetic('+')357 # pop pointer 1 (stores base address of that)358 self.VMwriter.write_pop('pointer', 1)359 # put dereferenced value of THAT on the stack360 self.VMwriter.write_push('that', 0)361 # intConstant, stringConstant, keywordConstant362 elif token_type == 'integerConstant':363 self.VMwriter.write_push('constant', token)364 elif token_type == 'stringConstant':365 self.VMwriter.write_push('constant', len(token))366 self.VMwriter.write_call('String.new', 1)367 for char in token:368 self.VMwriter.write_push('constant', ord(char))369 self.VMwriter.write_call('String.appendChar', 2)370 elif token_type == 'keyword':371 if token in {'null', 'false'}:372 self.VMwriter.write_push('constant', 0)373 elif token == 'true':374 self.VMwriter.write_push('constant', 0)375 self.VMwriter.write_arithmetic('~', unary=True)376 elif token == 'this':377 self.VMwriter.write_push('pointer', 0)378 else:379 raise Exception('Unkown keyword!')380 else:381 raise Exception('Unkown term!')382 self.decrease_indent()383 self.add_closing_tag('term')384 # (expression (',' expression)* )?385 def compile_expression_list(self):386 self.add_opening_tag('expressionList')387 self.increase_indent()388 num_exp = 0389 while self.tokenizer.look_ahead()[1] not in set([')', ']']):390 if self.tokenizer.look_ahead()[1] == ',':391 self.write_next_token() # ,392 else:393 self.compile_expression()394 num_exp += 1395 self.decrease_indent()396 self.add_closing_tag('expressionList')397 return num_exp398 def increase_indent(self):399 self.indent += 1400 def decrease_indent(self):401 self.indent -= 1402 def write_token(self, token):403 token_str = token + "\n"404 self.contents.append(token_str)405 def add_opening_tag(self, tagname):406 tag_str = "\t" * self.indent + "<{}>\n".format(tagname)407 self.contents.append(tag_str)408 def add_closing_tag(self, tagname):409 tag_str = "\t" * self.indent + "</{}>\n".format(tagname)...
pretty_print.py
Source:pretty_print.py
1#encoding: utf-82from .syntax import *3indent = 04def increase_indent():5 global indent6 indent += 47def decrease_indent():8 global indent9 indent -= 410def write(arg):11 print(" "*indent + str(arg))12def compound_statement_print(node):13 write(":STATEMENTS")14 increase_indent()15 for st in node.statements:16 pretty_print(st)17 decrease_indent()18def expr_print(node):19 write(":EXPR")20 increase_indent()21 pretty_print(node.left)22 write(node.oper)23 pretty_print(node.right)24 decrease_indent()25def postfix_print(node):26 write(":POSTFIX")27 increase_indent()28 write(node.name)29 write(node.oper)30 decrease_indent()31def integer_print(node):32 write(f":INTEGER({node.value})")33def float_print(node):34 write(f":FLOAT({node.value})")35def ident_print(node):36 write(f":IDENT({node.name})")37def string_print(node):38 write(f":STRING({node.value})")39def bool_print(node):40 write(f":BOOL({node.value})")41def var_def_print(node):42 name = node.name43 var_type = node.type44 expr = node.expr45 46 write(":VAR_DEF")47 increase_indent()48 write(name)49 write(var_type)50 pretty_print(expr)51 decrease_indent()52def assignment_print(node):53 name = node.name54 expr = node.expr55 56 write(":ASSIGNMENT")57 increase_indent()58 write(name)59 pretty_print(expr)60 decrease_indent()61def infinit_loop_print(node):62 write(":INFINIT_LOOP")63 increase_indent()64 pretty_print(node.statements)65 decrease_indent()66def count_loop_print(node):67 write(":COUNT_LOOP")68 increase_indent()69 pretty_print(node.n)70 pretty_print(node.statements)71 decrease_indent()72def break_print(node):73 write(":BREAK")74def continue_print(node):75 write(":CONTINUE")76def branch_print(node):77 write(":BRANCH")78 increase_indent()79 pretty_print(node.if_clause)80 if node.elif_clauses is not None:81 pretty_print(node.elif_clauses)82 if node.else_clause is not None:83 pretty_print(node.else_clause)84 decrease_indent()85def if_print(node):86 write(":IF")87 increase_indent()88 pretty_print(node.condition)89 pretty_print(node.statements)90 decrease_indent()91def elif_print(node):92 write(":ELIF")93 increase_indent()94 pretty_print(node.condition)95 pretty_print(node.statements)96 decrease_indent()97def elif_clauses_print(node):98 for clause in node.elif_clauses:99 pretty_print(clause)100def else_print(node):101 write(":ELSE")102 increase_indent()103 pretty_print(node.statements)104 decrease_indent()105def switch_condition_print(node):106 write(":SWITCH_CONDITION")107 increase_indent()108 pretty_print(node.case_clauses)109 if node.else_clause is not None:110 pretty_print(node.else_clause)111 if node.finally_clause is not None:112 pretty_print(node.finally_clause)113 decrease_indent()114def switch_value_print(node):115 write(":SWITCH_VALUE")116 increase_indent()117 pretty_print(node.case_clauses)118 if node.else_clause is not None:119 pretty_print(node.else_clause)120 if node.finally_clause is not None:121 pretty_print(node.finally_clause)122 decrease_indent()123def match_condition_clauses_print(node):124 write(":MATCH_CONDITION_CLAUSES")125 increase_indent()126 for match in node.match_condition_clauses:127 pretty_print(match)128 decrease_indent()129def match_condition_print(node):130 write(":MATCH_CONDITION")131 increase_indent()132 pretty_print(node.condition)133 pretty_print(node.statements)134 decrease_indent()135def match_value_clauses_print(node):136 write(":MATCH_VALUE_CLAUSES")137 increase_indent()138 for match in node.match_value_clauses:139 pretty_print(match)140 decrease_indent()141def match_value_print(node):142 write(":MATCH_VALUE")143 increase_indent()144 pretty_print(node.exprs)145 pretty_print(node.statements)146 decrease_indent()147def finally_print(node):148 write(":FINALLY")149 increase_indent()150 pretty_print(node.statements)151 decrease_indent()152def return_print(node):153 write(":RETURN")154 increase_indent()155 156 if node.exprs is not None:157 pretty_print(node.exprs)158 decrease_indent()159def exprs_print(node):160 write(":EXPRS")161 increase_indent()162 for expr in node.exprs:163 pretty_print(expr)164 decrease_indent()165def import_print(node):166 write(":IMPORT")167 increase_indent()168 for name in node.names:169 write(name)170 decrease_indent()171def func_def_print(node):172 write(":FUNC_DEF")173 increase_indent()174 write(node.name)175 write(", ".join(map(lambda x: x[0] + ": " + x[1],node.arg_names)))176 write(", ".join(node.return_types))177 pretty_print(node.statements)178 decrease_indent()179def call_func_print(node):180 write(":CALL_FUNC")181 increase_indent()182 write(node.name)183 if node.args is not None:184 pretty_print(node.args)185 decrease_indent()186def call_lib_func_print(node):187 write(":CALL_LIB_FUNC")188 increase_indent()189 write(node.name)190 write(node.lib)191 if node.args is not None:192 pretty_print(node.args)193 decrease_indent()194def args_print(node):195 write(":ARGS")196 increase_indent()197 for arg in node.args:198 pretty_print(arg)199 decrease_indent()200syntax_f = {201 COMPOUND_STATEMENT: compound_statement_print,202 EXPR: expr_print,203 POSTFIX: postfix_print,204 INTEGER: integer_print,205 FLOAT: float_print,206 IDENT: ident_print,207 STRING: string_print,208 BOOL: bool_print,209 VAR_DEF: var_def_print,210 ASSIGNMENT: assignment_print,...
yaml.py
Source:yaml.py
...9def map_constructor(loader, node):10 loader.flatten_mapping(node)11 return OrderedDict(loader.construct_pairs(node))12# This monkeypatch ensures we get nice indentation for dashed lists.13def increase_indent(self, flow=False, indentless=False):14 return super(pyyaml.dumper.Dumper, self).increase_indent(flow=flow, indentless=False)15if pyyaml.safe_dump is pyyaml.dump:16 # PyYAML v4.117 SafeDumper = pyyaml.dumper.Dumper18 DangerDumper = pyyaml.dumper.DangerDumper19else:20 SafeDumper = pyyaml.dumper.SafeDumper21 DangerDumper = pyyaml.dumper.Dumper22SafeDumper.increase_indent = increase_indent23DangerDumper.increase_indent = increase_indent24pyyaml.add_representer(dict, map_representer, Dumper=SafeDumper)25pyyaml.add_representer(OrderedDict, map_representer, Dumper=SafeDumper)26pyyaml.add_representer(dict, map_representer, Dumper=DangerDumper)27pyyaml.add_representer(OrderedDict, map_representer, Dumper=DangerDumper)28del map_constructor, map_representer...
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