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use crate::language::Token;
use crate::parsers::SyntaxKind;
use crate::parsers::cst::Parser;
impl Parser<'_> {
pub(crate) fn parse_version_statement(&mut self) {
self.builder
.start_node(SyntaxKind::VersionStatement.to_raw());
// VERSION
self.consume_token();
self.consume_whitespace();
// Major.Minor
// Consume until CLASS or Newline
while !self.is_at_end()
&& !self.at_token(Token::ClassKeyword)
&& !self.at_token(Token::Newline)
&& !self.at_token(Token::ColonOperator)
{
self.consume_token();
}
// CLASS
if self.at_token(Token::ClassKeyword) {
self.consume_token();
}
self.consume_whitespace();
self.consume_newline_or_colon();
self.builder.finish_node();
}
pub(crate) fn parse_properties_block(&mut self) {
self.builder
.start_node(SyntaxKind::PropertiesBlock.to_raw());
// BEGIN
self.consume_token();
self.consume_whitespace();
// Parse optional Type and Name (e.g. VB.Form Form1)
// We check if we are at a newline or colon, if not, we assume there is a type/name
if !self.at_token(Token::Newline) && !self.at_token(Token::ColonOperator) {
// Type (e.g. VB.Form)
self.builder.start_node(SyntaxKind::PropertiesType.to_raw());
// Consume first part
if self.is_identifier() || self.at_keyword() {
self.consume_token_as_identifier();
}
// Consume dot parts
while self.at_token(Token::PeriodOperator) {
self.consume_token(); // .
if self.is_identifier() || self.at_keyword() {
self.consume_token_as_identifier();
}
}
self.builder.finish_node();
self.consume_whitespace();
// Name (e.g. Form1)
if !self.at_token(Token::Newline) && !self.at_token(Token::ColonOperator) {
self.builder.start_node(SyntaxKind::PropertiesName.to_raw());
self.consume_token_as_identifier();
self.builder.finish_node();
}
}
self.consume_newline_or_colon();
while !self.is_at_end() && !self.at_token(Token::EndKeyword) {
self.consume_whitespace();
if self.at_token(Token::EndKeyword) {
break;
}
if self.at_token(Token::BeginKeyword) {
// Check if this is BeginProperty or a nested control block
// Peek ahead to see if next token is "Property"
let next_pos = self.pos + 1;
if next_pos < self.tokens.len() {
// Skip whitespace
let mut check_pos = next_pos;
while check_pos < self.tokens.len()
&& self.tokens[check_pos].1 == Token::Whitespace
{
check_pos += 1;
}
// Check if it's "Property" keyword or identifier (tokenizer may vary)
let is_property = if check_pos < self.tokens.len() {
let text = self.tokens[check_pos].0;
self.tokens[check_pos].1 == Token::PropertyKeyword
|| (self.tokens[check_pos].1 == Token::Identifier
&& text.eq_ignore_ascii_case("Property"))
} else {
false
};
if is_property {
self.parse_property_group();
} else {
// Nested control block
self.parse_properties_block();
}
} else {
self.parse_properties_block();
}
} else if self.is_identifier() {
// Check if this is "BeginProperty" as a single identifier
if self.pos < self.tokens.len()
&& self.tokens[self.pos]
.0
.eq_ignore_ascii_case("BeginProperty")
{
self.parse_property_group();
} else {
self.parse_property();
}
} else if self.at_keyword() {
self.parse_property();
} else {
// Skip unknown or newlines
self.consume_token();
}
}
// END
if self.at_token(Token::EndKeyword) {
self.consume_token();
}
self.consume_whitespace();
self.consume_newline_or_colon();
self.builder.finish_node();
}
fn parse_property(&mut self) {
self.builder.start_node(SyntaxKind::Property.to_raw());
// Key
self.builder.start_node(SyntaxKind::PropertyKey.to_raw());
self.consume_token(); // Identifier or Keyword
self.builder.finish_node();
self.consume_whitespace();
// =
if self.at_token(Token::EqualityOperator) {
self.consume_token();
}
self.consume_whitespace();
// Value
self.builder.start_node(SyntaxKind::PropertyValue.to_raw());
// Consume until newline
while !self.is_at_end() && !self.at_token(Token::Newline) {
self.consume_token();
}
self.builder.finish_node();
self.consume_newline_or_colon();
self.builder.finish_node();
}
fn parse_property_group(&mut self) {
self.builder.start_node(SyntaxKind::PropertyGroup.to_raw());
// BeginProperty - can be two tokens (Begin + Property) or one (BeginProperty)
if self.at_token(Token::BeginKeyword) {
self.consume_token(); // Begin
self.consume_whitespace();
self.consume_token(); // Property (keyword or identifier)
} else if self.is_identifier()
&& self.pos < self.tokens.len()
&& self.tokens[self.pos]
.0
.eq_ignore_ascii_case("BeginProperty")
{
self.consume_token(); // BeginProperty
} else {
// Unexpected - just consume what's there
self.consume_token();
}
self.consume_whitespace();
// Property group name
self.builder
.start_node(SyntaxKind::PropertyGroupName.to_raw());
if self.is_identifier() || self.at_keyword() {
self.consume_token_as_identifier();
}
self.builder.finish_node();
self.consume_whitespace();
// Optional GUID and other tokens until newline - just consume them all
while !self.is_at_end()
&& !self.at_token(Token::Newline)
&& !self.at_token(Token::ColonOperator)
{
self.consume_token();
}
self.consume_whitespace();
self.consume_newline_or_colon();
// Parse property group contents
while !self.is_at_end() {
self.consume_whitespace();
// Check for EndProperty (can be two tokens or one)
let is_end_property = if self.at_token(Token::EndKeyword) {
let next_pos = self.pos + 1;
if next_pos < self.tokens.len() {
let mut check_pos = next_pos;
while check_pos < self.tokens.len()
&& self.tokens[check_pos].1 == Token::Whitespace
{
check_pos += 1;
}
check_pos < self.tokens.len()
&& (self.tokens[check_pos].1 == Token::PropertyKeyword
|| (self.tokens[check_pos].1 == Token::Identifier
&& self.tokens[check_pos].0.eq_ignore_ascii_case("Property")))
} else {
false
}
} else if self.is_identifier() && self.pos < self.tokens.len() {
self.tokens[self.pos].0.eq_ignore_ascii_case("EndProperty")
} else {
false
};
if is_end_property {
// Consume EndProperty
if self.at_token(Token::EndKeyword) {
self.consume_token(); // End
self.consume_whitespace();
self.consume_token(); // Property
} else {
self.consume_token(); // EndProperty
}
self.consume_whitespace();
self.consume_newline_or_colon();
break;
}
// Check for nested BeginProperty (can be two tokens or one)
let is_begin_property = if self.at_token(Token::BeginKeyword) {
let next_pos = self.pos + 1;
if next_pos < self.tokens.len() {
let mut check_pos = next_pos;
while check_pos < self.tokens.len()
&& self.tokens[check_pos].1 == Token::Whitespace
{
check_pos += 1;
}
check_pos < self.tokens.len()
&& (self.tokens[check_pos].1 == Token::PropertyKeyword
|| (self.tokens[check_pos].1 == Token::Identifier
&& self.tokens[check_pos].0.eq_ignore_ascii_case("Property")))
} else {
false
}
} else if self.is_identifier() && self.pos < self.tokens.len() {
self.tokens[self.pos]
.0
.eq_ignore_ascii_case("BeginProperty")
} else {
false
};
if is_begin_property {
self.parse_property_group();
continue;
}
// Parse regular property
if self.is_identifier() || self.at_keyword() {
self.parse_property();
} else if !self.at_token(Token::Newline) {
self.consume_token();
}
}
self.builder.finish_node();
}
fn consume_newline_or_colon(&mut self) {
if self.at_token(Token::Newline) || self.at_token(Token::ColonOperator) {
self.consume_token();
}
}
}