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decafAlejandroParser.py
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decafAlejandroParser.py
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# Generated from decafAlejandro.g4 by ANTLR 4.9.2
# encoding: utf-8
from antlr4 import *
from io import StringIO
import sys
if sys.version_info[1] > 5:
from typing import TextIO
else:
from typing.io import TextIO
def serializedATN():
with StringIO() as buf:
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buf.write("\u00d4\3\2\2\2\u00d6\u00d7\3\2\2\2\u00d7\u00da\3\2\2\2")
buf.write("\u00d8\u00d6\3\2\2\2\u00d9\u00d1\3\2\2\2\u00d9\u00da\3")
buf.write("\2\2\2\u00da\u00db\3\2\2\2\u00db\u00dd\7\32\2\2\u00dc")
buf.write("\u00de\7\24\2\2\u00dd\u00dc\3\2\2\2\u00dd\u00de\3\2\2")
buf.write("\2\u00de\33\3\2\2\2\u00df\u00e0\b\17\1\2\u00e0\u00ec\5")
buf.write(",\27\2\u00e1\u00ec\5\36\20\2\u00e2\u00e3\7\37\2\2\u00e3")
buf.write("\u00ec\5\34\17\6\u00e4\u00ec\5\32\16\2\u00e5\u00e6\7%")
buf.write("\2\2\u00e6\u00ec\5\34\17\4\u00e7\u00e8\7\31\2\2\u00e8")
buf.write("\u00e9\5\34\17\2\u00e9\u00ea\7\32\2\2\u00ea\u00ec\3\2")
buf.write("\2\2\u00eb\u00df\3\2\2\2\u00eb\u00e1\3\2\2\2\u00eb\u00e2")
buf.write("\3\2\2\2\u00eb\u00e4\3\2\2\2\u00eb\u00e5\3\2\2\2\u00eb")
buf.write("\u00e7\3\2\2\2\u00ec\u00f8\3\2\2\2\u00ed\u00f2\f\7\2\2")
buf.write("\u00ee\u00f3\5.\30\2\u00ef\u00f3\5&\24\2\u00f0\u00f3\5")
buf.write("(\25\2\u00f1\u00f3\5*\26\2\u00f2\u00ee\3\2\2\2\u00f2\u00ef")
buf.write("\3\2\2\2\u00f2\u00f0\3\2\2\2\u00f2\u00f1\3\2\2\2\u00f3")
buf.write("\u00f4\3\2\2\2\u00f4\u00f5\5\34\17\b\u00f5\u00f7\3\2\2")
buf.write("\2\u00f6\u00ed\3\2\2\2\u00f7\u00fa\3\2\2\2\u00f8\u00f6")
buf.write("\3\2\2\2\u00f8\u00f9\3\2\2\2\u00f9\35\3\2\2\2\u00fa\u00f8")
buf.write("\3\2\2\2\u00fb\u00fe\5\16\b\2\u00fc\u00fe\5\n\6\2\u00fd")
buf.write("\u00fb\3\2\2\2\u00fd\u00fc\3\2\2\2\u00fe\37\3\2\2\2\u00ff")
buf.write("\u0100\7\62\2\2\u0100!\3\2\2\2\u0101\u0102\7\64\2\2\u0102")
buf.write("#\3\2\2\2\u0103\u0104\t\2\2\2\u0104%\3\2\2\2\u0105\u0106")
buf.write("\t\3\2\2\u0106\'\3\2\2\2\u0107\u0108\t\4\2\2\u0108)\3")
buf.write("\2\2\2\u0109\u010a\t\5\2\2\u010a+\3\2\2\2\u010b\u010f")
buf.write("\5 \21\2\u010c\u010f\5\"\22\2\u010d\u010f\5$\23\2\u010e")
buf.write("\u010b\3\2\2\2\u010e\u010c\3\2\2\2\u010e\u010d\3\2\2\2")
buf.write("\u010f-\3\2\2\2\u0110\u0111\t\6\2\2\u0111/\3\2\2\2\u0112")
buf.write("\u0119\7\16\2\2\u0113\u0119\7\r\2\2\u0114\u0119\7\f\2")
buf.write("\2\u0115\u0116\7\22\2\2\u0116\u0119\7\60\2\2\u0117\u0119")
buf.write("\5\20\t\2\u0118\u0112\3\2\2\2\u0118\u0113\3\2\2\2\u0118")
buf.write("\u0114\3\2\2\2\u0118\u0115\3\2\2\2\u0118\u0117\3\2\2\2")
buf.write("\u0119\61\3\2\2\2\u011a\u011b\t\7\2\2\u011b\63\3\2\2\2")
buf.write("\u011c\u011d\7\60\2\2\u011d\65\3\2\2\2\37<EQZ_chp}\u0085")
buf.write("\u0088\u008f\u0095\u009b\u00a4\u00ae\u00be\u00c4\u00c7")
buf.write("\u00cd\u00d6\u00d9\u00dd\u00eb\u00f2\u00f8\u00fd\u010e")
buf.write("\u0118")
return buf.getvalue()
class decafAlejandroParser ( Parser ):
grammarFileName = "decafAlejandro.g4"
atn = ATNDeserializer().deserialize(serializedATN())
decisionsToDFA = [ DFA(ds, i) for i, ds in enumerate(atn.decisionToState) ]
sharedContextCache = PredictionContextCache()
literalNames = [ "<INVALID>", "'class'", "'Program'", "'if'", "'else'",
"'for'", "'while'", "'return'", "'break'", "'continue'",
"'boolean'", "'char'", "'int'", "'True'", "'False'",
"'void'", "'struct'", "'callout'", "';'", "'{'", "'}'",
"'['", "']'", "'('", "')'", "','", "'\"'", "'''", "'+'",
"'-'", "'*'", "'/'", "'%'", "'&&'", "'||'", "'!'",
"'>'", "'<'", "'>='", "'<='", "'='", "'+='", "'-='",
"'=='", "'!='", "'.'" ]
symbolicNames = [ "<INVALID>", "CLASS", "PROGRAM", "IF", "ELSE", "FOR",
"WHILE", "RETURN", "BREAK", "CONTINUE", "BOOLEAN",
"CHAR", "INT", "TRUE", "FALSE", "VOID", "STRUCT",
"CALLOUT", "SEMICOLON", "LCURLY", "RCURLY", "LSQUARE",
"RSQUARE", "LROUND", "RROUND", "COMMA", "QUOTES",
"APOSTROPHE", "ADD", "SUB", "MULTIPLY", "DIVIDE",
"REMINDER", "AND", "OR", "NOT", "GREATER_OP", "LESS_OP",
"GREATER_eq_op", "LESS_eq_op", "EQUAL_OP", "ADD_eq_op",
"SUB_eq_op", "EQUALITY_OP", "UNEQUALITY_OP", "POINT",
"ID", "ALPHA", "DECIMAL_LITERAL", "DIGIT", "STRING_LITERAL",
"ALPHA_NUM", "HEX_DIGIT", "LINE_COMMENT", "COMMENT",
"NEWLINE", "WHITESPACE" ]
RULE_program = 0
RULE_declaration = 1
RULE_vardeclr = 2
RULE_field_declr = 3
RULE_array_id = 4
RULE_field_var = 5
RULE_var_id = 6
RULE_struct_declr = 7
RULE_method_declr = 8
RULE_return_type = 9
RULE_block = 10
RULE_statement = 11
RULE_method_call = 12
RULE_expr = 13
RULE_location = 14
RULE_int_literal = 15
RULE_string_literal = 16
RULE_bool_literal = 17
RULE_rel_op = 18
RULE_eq_op = 19
RULE_cond_op = 20
RULE_literal = 21
RULE_arith_op = 22
RULE_var_type = 23
RULE_assign_op = 24
RULE_method_name = 25
ruleNames = [ "program", "declaration", "vardeclr", "field_declr",
"array_id", "field_var", "var_id", "struct_declr", "method_declr",
"return_type", "block", "statement", "method_call", "expr",
"location", "int_literal", "string_literal", "bool_literal",
"rel_op", "eq_op", "cond_op", "literal", "arith_op",
"var_type", "assign_op", "method_name" ]
EOF = Token.EOF
CLASS=1
PROGRAM=2
IF=3
ELSE=4
FOR=5
WHILE=6
RETURN=7
BREAK=8
CONTINUE=9
BOOLEAN=10
CHAR=11
INT=12
TRUE=13
FALSE=14
VOID=15
STRUCT=16
CALLOUT=17
SEMICOLON=18
LCURLY=19
RCURLY=20
LSQUARE=21
RSQUARE=22
LROUND=23
RROUND=24
COMMA=25
QUOTES=26
APOSTROPHE=27
ADD=28
SUB=29
MULTIPLY=30
DIVIDE=31
REMINDER=32
AND=33
OR=34
NOT=35
GREATER_OP=36
LESS_OP=37
GREATER_eq_op=38
LESS_eq_op=39
EQUAL_OP=40
ADD_eq_op=41
SUB_eq_op=42
EQUALITY_OP=43
UNEQUALITY_OP=44
POINT=45
ID=46
ALPHA=47
DECIMAL_LITERAL=48
DIGIT=49
STRING_LITERAL=50
ALPHA_NUM=51
HEX_DIGIT=52
LINE_COMMENT=53
COMMENT=54
NEWLINE=55
WHITESPACE=56
def __init__(self, input:TokenStream, output:TextIO = sys.stdout):
super().__init__(input, output)
self.checkVersion("4.9.2")
self._interp = ParserATNSimulator(self, self.atn, self.decisionsToDFA, self.sharedContextCache)
self._predicates = None
class ProgramContext(ParserRuleContext):
__slots__ = 'parser'
def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
super().__init__(parent, invokingState)
self.parser = parser
def CLASS(self):
return self.getToken(decafAlejandroParser.CLASS, 0)
def PROGRAM(self):
return self.getToken(decafAlejandroParser.PROGRAM, 0)
def LCURLY(self):
return self.getToken(decafAlejandroParser.LCURLY, 0)
def RCURLY(self):
return self.getToken(decafAlejandroParser.RCURLY, 0)
def declaration(self, i:int=None):
if i is None:
return self.getTypedRuleContexts(decafAlejandroParser.DeclarationContext)
else:
return self.getTypedRuleContext(decafAlejandroParser.DeclarationContext,i)
def getRuleIndex(self):
return decafAlejandroParser.RULE_program
def enterRule(self, listener:ParseTreeListener):
if hasattr( listener, "enterProgram" ):
listener.enterProgram(self)
def exitRule(self, listener:ParseTreeListener):
if hasattr( listener, "exitProgram" ):
listener.exitProgram(self)
def program(self):
localctx = decafAlejandroParser.ProgramContext(self, self._ctx, self.state)
self.enterRule(localctx, 0, self.RULE_program)
self._la = 0 # Token type
try:
self.enterOuterAlt(localctx, 1)
self.state = 52
self.match(decafAlejandroParser.CLASS)
self.state = 53
self.match(decafAlejandroParser.PROGRAM)
self.state = 54
self.match(decafAlejandroParser.LCURLY)
self.state = 58
self._errHandler.sync(self)
_la = self._input.LA(1)
while (((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << decafAlejandroParser.BOOLEAN) | (1 << decafAlejandroParser.CHAR) | (1 << decafAlejandroParser.INT) | (1 << decafAlejandroParser.VOID) | (1 << decafAlejandroParser.STRUCT))) != 0):
self.state = 55
self.declaration()
self.state = 60
self._errHandler.sync(self)
_la = self._input.LA(1)
self.state = 61
self.match(decafAlejandroParser.RCURLY)
except RecognitionException as re:
localctx.exception = re
self._errHandler.reportError(self, re)
self._errHandler.recover(self, re)
finally:
self.exitRule()
return localctx
class DeclarationContext(ParserRuleContext):
__slots__ = 'parser'
def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
super().__init__(parent, invokingState)
self.parser = parser
def struct_declr(self):
return self.getTypedRuleContext(decafAlejandroParser.Struct_declrContext,0)
def vardeclr(self):
return self.getTypedRuleContext(decafAlejandroParser.VardeclrContext,0)
def method_declr(self):
return self.getTypedRuleContext(decafAlejandroParser.Method_declrContext,0)
def field_declr(self):
return self.getTypedRuleContext(decafAlejandroParser.Field_declrContext,0)
def getRuleIndex(self):
return decafAlejandroParser.RULE_declaration
def enterRule(self, listener:ParseTreeListener):
if hasattr( listener, "enterDeclaration" ):
listener.enterDeclaration(self)
def exitRule(self, listener:ParseTreeListener):
if hasattr( listener, "exitDeclaration" ):
listener.exitDeclaration(self)
def declaration(self):
localctx = decafAlejandroParser.DeclarationContext(self, self._ctx, self.state)
self.enterRule(localctx, 2, self.RULE_declaration)
try:
self.state = 67
self._errHandler.sync(self)
la_ = self._interp.adaptivePredict(self._input,1,self._ctx)
if la_ == 1:
self.enterOuterAlt(localctx, 1)
self.state = 63
self.struct_declr()
pass
elif la_ == 2:
self.enterOuterAlt(localctx, 2)
self.state = 64
self.vardeclr()
pass
elif la_ == 3:
self.enterOuterAlt(localctx, 3)
self.state = 65
self.method_declr()
pass
elif la_ == 4:
self.enterOuterAlt(localctx, 4)
self.state = 66
self.field_declr()
pass
except RecognitionException as re:
localctx.exception = re
self._errHandler.reportError(self, re)
self._errHandler.recover(self, re)
finally:
self.exitRule()
return localctx
class VardeclrContext(ParserRuleContext):
__slots__ = 'parser'
def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
super().__init__(parent, invokingState)
self.parser = parser
def var_type(self):
return self.getTypedRuleContext(decafAlejandroParser.Var_typeContext,0)
def field_var(self):
return self.getTypedRuleContext(decafAlejandroParser.Field_varContext,0)
def SEMICOLON(self):
return self.getToken(decafAlejandroParser.SEMICOLON, 0)
def getRuleIndex(self):
return decafAlejandroParser.RULE_vardeclr
def enterRule(self, listener:ParseTreeListener):
if hasattr( listener, "enterVardeclr" ):
listener.enterVardeclr(self)
def exitRule(self, listener:ParseTreeListener):
if hasattr( listener, "exitVardeclr" ):
listener.exitVardeclr(self)
def vardeclr(self):
localctx = decafAlejandroParser.VardeclrContext(self, self._ctx, self.state)
self.enterRule(localctx, 4, self.RULE_vardeclr)
try:
self.enterOuterAlt(localctx, 1)
self.state = 69
self.var_type()
self.state = 70
self.field_var()
self.state = 71
self.match(decafAlejandroParser.SEMICOLON)
except RecognitionException as re:
localctx.exception = re
self._errHandler.reportError(self, re)
self._errHandler.recover(self, re)
finally:
self.exitRule()
return localctx
class Field_declrContext(ParserRuleContext):
__slots__ = 'parser'
def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
super().__init__(parent, invokingState)
self.parser = parser
def var_type(self):
return self.getTypedRuleContext(decafAlejandroParser.Var_typeContext,0)
def field_var(self, i:int=None):
if i is None:
return self.getTypedRuleContexts(decafAlejandroParser.Field_varContext)
else:
return self.getTypedRuleContext(decafAlejandroParser.Field_varContext,i)
def SEMICOLON(self):
return self.getToken(decafAlejandroParser.SEMICOLON, 0)
def COMMA(self, i:int=None):
if i is None:
return self.getTokens(decafAlejandroParser.COMMA)
else:
return self.getToken(decafAlejandroParser.COMMA, i)
def getRuleIndex(self):
return decafAlejandroParser.RULE_field_declr
def enterRule(self, listener:ParseTreeListener):
if hasattr( listener, "enterField_declr" ):
listener.enterField_declr(self)
def exitRule(self, listener:ParseTreeListener):
if hasattr( listener, "exitField_declr" ):
listener.exitField_declr(self)
def field_declr(self):
localctx = decafAlejandroParser.Field_declrContext(self, self._ctx, self.state)
self.enterRule(localctx, 6, self.RULE_field_declr)
self._la = 0 # Token type
try:
self.enterOuterAlt(localctx, 1)
self.state = 73
self.var_type()
self.state = 74
self.field_var()
self.state = 79
self._errHandler.sync(self)
_la = self._input.LA(1)
while _la==decafAlejandroParser.COMMA:
self.state = 75
self.match(decafAlejandroParser.COMMA)
self.state = 76
self.field_var()
self.state = 81
self._errHandler.sync(self)
_la = self._input.LA(1)
self.state = 82
self.match(decafAlejandroParser.SEMICOLON)
except RecognitionException as re:
localctx.exception = re
self._errHandler.reportError(self, re)
self._errHandler.recover(self, re)
finally:
self.exitRule()
return localctx
class Array_idContext(ParserRuleContext):
__slots__ = 'parser'
def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
super().__init__(parent, invokingState)
self.parser = parser
def ID(self):
return self.getToken(decafAlejandroParser.ID, 0)
def LSQUARE(self):
return self.getToken(decafAlejandroParser.LSQUARE, 0)
def RSQUARE(self):
return self.getToken(decafAlejandroParser.RSQUARE, 0)
def int_literal(self):
return self.getTypedRuleContext(decafAlejandroParser.Int_literalContext,0)
def var_id(self):
return self.getTypedRuleContext(decafAlejandroParser.Var_idContext,0)
def POINT(self):
return self.getToken(decafAlejandroParser.POINT, 0)
def location(self):
return self.getTypedRuleContext(decafAlejandroParser.LocationContext,0)
def getRuleIndex(self):
return decafAlejandroParser.RULE_array_id
def enterRule(self, listener:ParseTreeListener):
if hasattr( listener, "enterArray_id" ):
listener.enterArray_id(self)
def exitRule(self, listener:ParseTreeListener):
if hasattr( listener, "exitArray_id" ):
listener.exitArray_id(self)
def array_id(self):
localctx = decafAlejandroParser.Array_idContext(self, self._ctx, self.state)
self.enterRule(localctx, 8, self.RULE_array_id)
try:
self.enterOuterAlt(localctx, 1)
self.state = 84
self.match(decafAlejandroParser.ID)
self.state = 85
self.match(decafAlejandroParser.LSQUARE)
self.state = 88
self._errHandler.sync(self)
token = self._input.LA(1)
if token in [decafAlejandroParser.DECIMAL_LITERAL]:
self.state = 86
self.int_literal()
pass
elif token in [decafAlejandroParser.ID]:
self.state = 87
self.var_id()
pass
else:
raise NoViableAltException(self)
self.state = 90
self.match(decafAlejandroParser.RSQUARE)
self.state = 93
self._errHandler.sync(self)
la_ = self._interp.adaptivePredict(self._input,4,self._ctx)
if la_ == 1:
self.state = 91
self.match(decafAlejandroParser.POINT)
self.state = 92
self.location()
except RecognitionException as re:
localctx.exception = re
self._errHandler.reportError(self, re)
self._errHandler.recover(self, re)
finally:
self.exitRule()
return localctx
class Field_varContext(ParserRuleContext):
__slots__ = 'parser'
def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
super().__init__(parent, invokingState)
self.parser = parser
def var_id(self):
return self.getTypedRuleContext(decafAlejandroParser.Var_idContext,0)
def array_id(self):
return self.getTypedRuleContext(decafAlejandroParser.Array_idContext,0)
def getRuleIndex(self):
return decafAlejandroParser.RULE_field_var
def enterRule(self, listener:ParseTreeListener):
if hasattr( listener, "enterField_var" ):
listener.enterField_var(self)
def exitRule(self, listener:ParseTreeListener):
if hasattr( listener, "exitField_var" ):
listener.exitField_var(self)
def field_var(self):
localctx = decafAlejandroParser.Field_varContext(self, self._ctx, self.state)
self.enterRule(localctx, 10, self.RULE_field_var)
try:
self.state = 97
self._errHandler.sync(self)
la_ = self._interp.adaptivePredict(self._input,5,self._ctx)
if la_ == 1:
self.enterOuterAlt(localctx, 1)
self.state = 95
self.var_id()
pass
elif la_ == 2:
self.enterOuterAlt(localctx, 2)
self.state = 96
self.array_id()
pass
except RecognitionException as re:
localctx.exception = re
self._errHandler.reportError(self, re)
self._errHandler.recover(self, re)
finally:
self.exitRule()
return localctx
class Var_idContext(ParserRuleContext):
__slots__ = 'parser'
def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
super().__init__(parent, invokingState)
self.parser = parser
def ID(self):
return self.getToken(decafAlejandroParser.ID, 0)
def POINT(self):
return self.getToken(decafAlejandroParser.POINT, 0)
def location(self):
return self.getTypedRuleContext(decafAlejandroParser.LocationContext,0)
def getRuleIndex(self):
return decafAlejandroParser.RULE_var_id
def enterRule(self, listener:ParseTreeListener):
if hasattr( listener, "enterVar_id" ):
listener.enterVar_id(self)
def exitRule(self, listener:ParseTreeListener):
if hasattr( listener, "exitVar_id" ):
listener.exitVar_id(self)
def var_id(self):
localctx = decafAlejandroParser.Var_idContext(self, self._ctx, self.state)
self.enterRule(localctx, 12, self.RULE_var_id)
try:
self.enterOuterAlt(localctx, 1)
self.state = 99
self.match(decafAlejandroParser.ID)
self.state = 102
self._errHandler.sync(self)
la_ = self._interp.adaptivePredict(self._input,6,self._ctx)
if la_ == 1:
self.state = 100
self.match(decafAlejandroParser.POINT)
self.state = 101
self.location()
except RecognitionException as re:
localctx.exception = re
self._errHandler.reportError(self, re)
self._errHandler.recover(self, re)
finally:
self.exitRule()
return localctx
class Struct_declrContext(ParserRuleContext):
__slots__ = 'parser'
def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
super().__init__(parent, invokingState)
self.parser = parser
def STRUCT(self):
return self.getToken(decafAlejandroParser.STRUCT, 0)
def ID(self):
return self.getToken(decafAlejandroParser.ID, 0)
def LCURLY(self):
return self.getToken(decafAlejandroParser.LCURLY, 0)
def RCURLY(self):
return self.getToken(decafAlejandroParser.RCURLY, 0)
def SEMICOLON(self):
return self.getToken(decafAlejandroParser.SEMICOLON, 0)
def vardeclr(self, i:int=None):
if i is None:
return self.getTypedRuleContexts(decafAlejandroParser.VardeclrContext)
else:
return self.getTypedRuleContext(decafAlejandroParser.VardeclrContext,i)
def getRuleIndex(self):
return decafAlejandroParser.RULE_struct_declr
def enterRule(self, listener:ParseTreeListener):
if hasattr( listener, "enterStruct_declr" ):
listener.enterStruct_declr(self)
def exitRule(self, listener:ParseTreeListener):
if hasattr( listener, "exitStruct_declr" ):
listener.exitStruct_declr(self)
def struct_declr(self):
localctx = decafAlejandroParser.Struct_declrContext(self, self._ctx, self.state)
self.enterRule(localctx, 14, self.RULE_struct_declr)
self._la = 0 # Token type
try:
self.enterOuterAlt(localctx, 1)
self.state = 104
self.match(decafAlejandroParser.STRUCT)
self.state = 105
self.match(decafAlejandroParser.ID)
self.state = 106
self.match(decafAlejandroParser.LCURLY)
self.state = 110
self._errHandler.sync(self)
_la = self._input.LA(1)
while (((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << decafAlejandroParser.BOOLEAN) | (1 << decafAlejandroParser.CHAR) | (1 << decafAlejandroParser.INT) | (1 << decafAlejandroParser.STRUCT))) != 0):
self.state = 107
self.vardeclr()
self.state = 112
self._errHandler.sync(self)
_la = self._input.LA(1)
self.state = 113
self.match(decafAlejandroParser.RCURLY)
self.state = 114
self.match(decafAlejandroParser.SEMICOLON)
except RecognitionException as re:
localctx.exception = re
self._errHandler.reportError(self, re)
self._errHandler.recover(self, re)
finally:
self.exitRule()
return localctx
class Method_declrContext(ParserRuleContext):
__slots__ = 'parser'
def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
super().__init__(parent, invokingState)
self.parser = parser
def return_type(self):
return self.getTypedRuleContext(decafAlejandroParser.Return_typeContext,0)
def method_name(self):
return self.getTypedRuleContext(decafAlejandroParser.Method_nameContext,0)
def LROUND(self):
return self.getToken(decafAlejandroParser.LROUND, 0)
def RROUND(self):
return self.getToken(decafAlejandroParser.RROUND, 0)
def block(self):
return self.getTypedRuleContext(decafAlejandroParser.BlockContext,0)
def VOID(self):
return self.getToken(decafAlejandroParser.VOID, 0)
def COMMA(self, i:int=None):
if i is None:
return self.getTokens(decafAlejandroParser.COMMA)
else:
return self.getToken(decafAlejandroParser.COMMA, i)
def var_type(self, i:int=None):
if i is None:
return self.getTypedRuleContexts(decafAlejandroParser.Var_typeContext)
else:
return self.getTypedRuleContext(decafAlejandroParser.Var_typeContext,i)
def var_id(self, i:int=None):
if i is None:
return self.getTypedRuleContexts(decafAlejandroParser.Var_idContext)
else:
return self.getTypedRuleContext(decafAlejandroParser.Var_idContext,i)
def getRuleIndex(self):
return decafAlejandroParser.RULE_method_declr
def enterRule(self, listener:ParseTreeListener):
if hasattr( listener, "enterMethod_declr" ):
listener.enterMethod_declr(self)
def exitRule(self, listener:ParseTreeListener):
if hasattr( listener, "exitMethod_declr" ):
listener.exitMethod_declr(self)
def method_declr(self):
localctx = decafAlejandroParser.Method_declrContext(self, self._ctx, self.state)
self.enterRule(localctx, 16, self.RULE_method_declr)
self._la = 0 # Token type
try:
self.enterOuterAlt(localctx, 1)
self.state = 116
self.return_type()
self.state = 117
self.method_name()
self.state = 118
self.match(decafAlejandroParser.LROUND)
self.state = 134
self._errHandler.sync(self)
_la = self._input.LA(1)
if (((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << decafAlejandroParser.BOOLEAN) | (1 << decafAlejandroParser.CHAR) | (1 << decafAlejandroParser.INT) | (1 << decafAlejandroParser.VOID) | (1 << decafAlejandroParser.STRUCT))) != 0):
self.state = 123
self._errHandler.sync(self)
token = self._input.LA(1)
if token in [decafAlejandroParser.BOOLEAN, decafAlejandroParser.CHAR, decafAlejandroParser.INT, decafAlejandroParser.STRUCT]:
self.state = 119
self.var_type()
self.state = 120
self.var_id()
pass
elif token in [decafAlejandroParser.VOID]:
self.state = 122
self.match(decafAlejandroParser.VOID)
pass
else:
raise NoViableAltException(self)
self.state = 131
self._errHandler.sync(self)
_la = self._input.LA(1)
while _la==decafAlejandroParser.COMMA:
self.state = 125
self.match(decafAlejandroParser.COMMA)
self.state = 126
self.var_type()
self.state = 127
self.var_id()
self.state = 133
self._errHandler.sync(self)
_la = self._input.LA(1)
self.state = 136
self.match(decafAlejandroParser.RROUND)
self.state = 137
self.block()
except RecognitionException as re:
localctx.exception = re
self._errHandler.reportError(self, re)
self._errHandler.recover(self, re)
finally:
self.exitRule()
return localctx
class Return_typeContext(ParserRuleContext):
__slots__ = 'parser'
def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
super().__init__(parent, invokingState)
self.parser = parser
def var_type(self):
return self.getTypedRuleContext(decafAlejandroParser.Var_typeContext,0)
def VOID(self):
return self.getToken(decafAlejandroParser.VOID, 0)
def getRuleIndex(self):
return decafAlejandroParser.RULE_return_type
def enterRule(self, listener:ParseTreeListener):
if hasattr( listener, "enterReturn_type" ):
listener.enterReturn_type(self)
def exitRule(self, listener:ParseTreeListener):
if hasattr( listener, "exitReturn_type" ):
listener.exitReturn_type(self)
def return_type(self):
localctx = decafAlejandroParser.Return_typeContext(self, self._ctx, self.state)
self.enterRule(localctx, 18, self.RULE_return_type)