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authorIván Ávalos <avalos@disroot.org>2022-11-25 13:18:01 -0600
committerIván Ávalos <avalos@disroot.org>2022-11-25 13:18:01 -0600
commit43ca3b1370fcb9e7cb8c3126ebf4e6ed7833fc13 (patch)
treef643f9e75e978700ec45266507d22dab33fe70b7 /compilador/parse
parent52d6d2107f14398ae59baaa893d596fb239c4679 (diff)
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Diffstat (limited to 'compilador/parse')
-rw-r--r--compilador/parse/base.py25
-rw-r--r--compilador/parse/decl.py8
2 files changed, 17 insertions, 16 deletions
diff --git a/compilador/parse/base.py b/compilador/parse/base.py
index 49742e6..9ee673b 100644
--- a/compilador/parse/base.py
+++ b/compilador/parse/base.py
@@ -15,9 +15,11 @@ class BaseParser:
def __init__(self, iterador: NanoIter):
self.iterador: NanoIter = iterador
- ''' Requires the next token to have a matching ltok. Returns that
- token, or an error. '''
def want(self, *want: Token) -> (LexToken | Error):
+ '''Requires the next token to have a matching ltok. Returns
+ that token, or an error.
+
+ '''
tok: LexToken = self.lex()
if len(want) == 0:
return tok
@@ -27,10 +29,12 @@ class BaseParser:
return Error.syntax(tok.tipo, want, tok.numlinea)
- ''' Looks for a matching ltok from the lexer, and if not present,
- unlexes the token and returns void. If found, the token is
- consumed from the lexer and is returned. '''
def _try(self, *want: Token) -> (LexToken | NoReturn):
+ '''Looks for a matching ltok from the lexer, and if not
+ present, unlexes the token and returns void. If found, the
+ token is consumed from the lexer and is returned.
+
+ '''
tok: LexToken = self.lex()
if len(want) == 0:
return tok
@@ -39,9 +43,11 @@ class BaseParser:
return tok
self.unlex()
- ''' Looks for a matching ltok from the lexer, unlexes the token,
- and returns it; or void if it was not an ltok. '''
def peek(self, *want: Token) -> (LexToken | NoReturn):
+ '''Looks for a matching ltok from the lexer, unlexes the
+ token, and returns it; or void if it was not an ltok.
+
+ '''
tok: LexToken = self.iterador.peek()
if len(want) == 0:
return tok
@@ -55,7 +61,10 @@ class BaseParser:
def unlex(self):
self.iterador.back()
- ''' Returns a syntax error if cond is false and void otherwise '''
def synassert(self, cond: bool, msg: str) -> (Error | NoReturn):
+ '''Returns a syntax error if cond is false and void
+ otherwise.
+
+ '''
if not cond:
return Error(msg = msg)
diff --git a/compilador/parse/decl.py b/compilador/parse/decl.py
index 4a752f0..93666fc 100644
--- a/compilador/parse/decl.py
+++ b/compilador/parse/decl.py
@@ -58,12 +58,6 @@ class ParseDecl:
if type(proto) is Error:
return proto
- # ;
- # semicolon = self.parser.want(Token.SEMICOLON)
- # if type(semicolon) is Error:
- # return semicolon
- # self.parser.unlex()
-
return DeclFunc(ident = ident,
prototype = proto,
body = None)
@@ -96,8 +90,6 @@ class ParseDecl:
def decls(self) -> (List[Decl] | Error):
decls: List[Decl] = []
while not self.parser.peek(Token.EOF):
- # print(self.parser.peek())
- # print(next(self.parser.iterador))
decl = self.decl()
if type(decl) is Error:
return decl