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ytd_12-bit_computer
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Moved structs into separate function

This commit is contained in:
Kyler 2024-02-28 00:50:47 -07:00
parent cccd80bec7
commit 07a5fef918
1 changed files with 61 additions and 70 deletions
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131
pytd12dk/compiler/syntactical_analyzer.py
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@ -704,15 +704,71 @@ def _literal_map(literal: (
elif isinstance(literal, lexer.StringLiteral):
return StringLiteral(literal.value)
def struct_syntactical_analyzer(
tokens: list[lexer.Token],
public: bool,
) -> StructBlock:
identifier = tokens.pop()
_assert_token(ExpectedIdentifier, identifier)
temp = tokens.pop()
_assert_token(ExpectedPunctuation, temp, '(')
members: list[StructureMember] = []
temp = tokens.pop()
while temp.value != ')':
if isinstance(temp, lexer.Keyword):
_assert_token(ExpectedKeyword, temp, 'static')
temp = tokens.pop()
static = True
else:
static = False
if isinstance(temp, lexer.Identifier):
member_id = Identifier(temp.value)
temp = tokens.pop()
_assert_token(ExpectedPunctuation, temp, ':')
temp = tokens.pop()
_assert_token_mult(temp, (
lexer.Keyword,
lexer.Identifier,
lexer.Punctuation,
))
if isinstance(temp, lexer.Punctuation):
_assert_token(ExpectedPunctuation, temp, '*')
pointer = True
temp = tokens.pop()
_assert_token_mult(temp, (lexer.Keyword, lexer.Identifier))
else:
pointer = False
if isinstance(temp, lexer.Keyword):
if temp.value not in DefaultDataType:
raise UnexpectedKeyword(
temp,
[i.value for i in DefaultDataType],
)
data_type = DefaultDataType(temp.value)
else:
data_type = Identifier(temp.value)
temp = tokens.pop()
_assert_token(ExpectedPunctuation, temp)
if temp.value not in [',', '=']:
raise UnexpectedPunctuation(temp, [',', '='])
elif temp.value == '=':
temp = tokens.pop()
_assert_token_literal(temp)
literal = _literal_map(temp) # type: ignore
temp = tokens.pop()
else: literal = None
members.append(
StructureMember(member_id, data_type, pointer, static, literal))
else:
raise UnexpectedToken(temp, ["Keyword", "Identifier"])
return StructBlock(Identifier(identifier.value), public, members)
def enumeration_syntactical_analyzer(tokens: list[lexer.Token]) -> EnumBlock:
pass
def function_syntactical_analyzer(tokens: list[lexer.Token]) -> FunctionBlock:
pass
def struct_syntactical_analyzer(tokens: list[lexer.Token]) -> StructBlock:
pass
def file_syntactical_analyzer(tokens: list[lexer.Token]) -> File:
children: list[Directive | StructBlock | FunctionBlock | EnumBlock] = []
@ -725,73 +781,8 @@ def file_syntactical_analyzer(tokens: list[lexer.Token]) -> File:
match token.value:
case 'pub': pass
case 'struct':
identifier = tokens.pop()
_assert_token(ExpectedIdentifier, identifier)
temp = tokens.pop()
_assert_token(ExpectedPunctuation, temp, '(')
members: list[StructureMember] = []
temp = tokens.pop()
while temp.value != ')':
if isinstance(temp, lexer.Keyword):
_assert_token(ExpectedKeyword, temp, 'static')
temp = tokens.pop()
static = True
else:
static = False
if isinstance(temp, lexer.Identifier):
member_id = Identifier(temp.value)
temp = tokens.pop()
_assert_token(ExpectedPunctuation, temp, ':')
temp = tokens.pop()
_assert_token_mult(temp, (
lexer.Keyword,
lexer.Identifier,
lexer.Punctuation,
))
if isinstance(temp, lexer.Punctuation):
_assert_token(ExpectedPunctuation, temp, '*')
pointer = True
temp = tokens.pop()
_assert_token_mult(temp, (
lexer.Keyword,
lexer.Identifier,
))
else:
pointer = False
if isinstance(temp, lexer.Keyword):
if temp.value not in DefaultDataType:
raise UnexpectedKeyword(
temp,
[i.value for i in DefaultDataType],
)
data_type = DefaultDataType(temp.value)
else:
data_type = Identifier(temp.value)
temp = tokens.pop()
_assert_token(ExpectedPunctuation, temp)
if temp.value not in [',', '=']:
raise UnexpectedPunctuation(
temp,
[',', '='],
)
elif temp.value == '=':
temp = tokens.pop()
_assert_token_literal(temp)
literal = _literal_map(temp) # type: ignore
temp = tokens.pop()
else: literal = None
members.append(StructureMember(
member_id,
data_type,
pointer,
static,
literal,
))
else:
raise UnexpectedToken(
temp, ["Keyword", "Identifier"])
children.append(StructBlock(
Identifier(identifier.value), False, members))
children.append(
struct_syntactical_analyzer(tokens, False))
break
return File(children)