teo-parser 0.3.0

Parser for Teo schema language
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180

use std::str::FromStr;
use snailquote::unescape;
use regex::Regex;
use crate::value::Value;
use crate::ast::literals::{ArrayLiteral, BoolLiteral, DictionaryLiteral, EnumVariantLiteral, NullLiteral, NumericLiteral, RegexLiteral, StringLiteral, TupleLiteral};
use crate::{parse_append, parse_container_node_variables, parse_container_node_variables_cleanup, parse_insert, parse_insert_punctuation, parse_node_variables, parse_set, parse_set_optional};
use crate::parser::parse_argument::parse_argument_list;
use crate::parser::parse_availability_end::parse_availability_end;
use crate::parser::parse_availability_flag::parse_availability_flag;
use crate::parser::parse_code_comment::parse_code_comment;
use crate::parser::parse_doc_comment::parse_doc_comment;
use crate::parser::parse_expression::{parse_expression};
use crate::parser::parse_identifier::parse_identifier;
use crate::parser::parse_named_expression::parse_named_expression;
use crate::parser::parse_span::parse_span;
use crate::parser::parser_context::ParserContext;
use crate::parser::pest_parser::{Pair, Rule};
use crate::traits::identifiable::Identifiable;

pub(super) fn parse_string_literal(pair: &Pair<'_>, context: &ParserContext) -> StringLiteral {
    let (span, path) = parse_node_variables!(pair, context);
    StringLiteral {
        span,
        path,
        display: pair.as_str().to_owned(),
        value: unescape(pair.as_str()).unwrap(),
    }
}

pub(super) fn parse_null_literal(pair: &Pair<'_>, context: &ParserContext) -> NullLiteral {
    let (span, path) = parse_node_variables!(pair, context);
    NullLiteral { span, path }
}

pub(super) fn parse_bool_literal(pair: &Pair<'_>, context: &ParserContext) -> BoolLiteral {
    let (span, path) = parse_node_variables!(pair, context);
    BoolLiteral { span, path, value: pair.as_str() == "true" }
}

pub(super) fn parse_regex_literal(pair: Pair<'_>, context: &ParserContext) -> RegexLiteral {
    let (span, path) = parse_node_variables!(pair, context);
    let display = pair.as_str().to_owned();
    let mut value = None;
    for current in pair.into_inner() {
        match current.as_rule() {
            Rule::regex_content => match Regex::new(current.as_str()) {
                Ok(regex) => value = Some(regex),
                Err(_) => context.insert_error(span.clone(), "invalid regular expression"),
            },
            _ => context.insert_unparsed(parse_span(&current)),
        }
    }
    RegexLiteral {
        span,
        path,
        value: value.unwrap_or(Regex::new("").unwrap()),
        display,
    }
}

pub(super) fn parse_numeric_literal(pair: &Pair<'_>, context: &ParserContext) -> NumericLiteral {
    let (span, path) = parse_node_variables!(pair, context);
    let str_value = pair.as_str();
    NumericLiteral {
        span, path,
        display: str_value.to_owned(),
        value: if str_value.contains(".") { // default to float64
            Value::Float(f64::from_str(&str_value).unwrap())
        } else if let Ok(i32v) = i32::from_str(str_value) {
            Value::Int(i32v)
        } else {
            Value::Int64(i64::from_str(str_value).unwrap())
        }
    }
}

pub(super) fn parse_enum_variant_literal(pair: Pair<'_>, context: &ParserContext) -> EnumVariantLiteral {
    let (
        span,
        path,
        mut children,
    ) = parse_container_node_variables!(pair, context);
    let mut argument_list: Option<usize> = None;
    let mut identifier = 0;
    for current in pair.into_inner() {
        match current.as_rule() {
            Rule::DOT => parse_insert_punctuation!(context, current, children, "."),
            Rule::identifier => parse_set!(parse_identifier(&current, context), children, identifier),
            Rule::argument_list => parse_set_optional!(parse_argument_list(current, context), children, argument_list),
            _ => context.insert_unparsed(parse_span(&current)),
        }
    }
    parse_container_node_variables_cleanup!(context);
    EnumVariantLiteral {
        span,
        children,
        path,
        identifier,
        argument_list,
    }
}

pub(super) fn parse_array_literal(pair: Pair<'_>, context: &ParserContext) -> ArrayLiteral {
    let (
        span,
        path,
        mut children,
    ) = parse_container_node_variables!(pair, context);
    let mut expressions = vec![];
    for current in pair.into_inner() {
        match current.as_rule() {
            Rule::BRACKET_OPEN => parse_insert_punctuation!(context, current, children, "["),
            Rule::BRACKET_CLOSE => parse_insert_punctuation!(context, current, children, "]"),
            Rule::COMMA => parse_insert_punctuation!(context, current, children, ","),
            Rule::double_comment_block => parse_append!(parse_code_comment(current, context), children),
            Rule::expression => parse_insert!(parse_expression(current, context), children, expressions),
            _ => context.insert_unparsed(parse_span(&current)),
        }
    }
    parse_container_node_variables_cleanup!(context);
    ArrayLiteral { expressions, span, children, path }
}

pub(super) fn parse_tuple_literal(pair: Pair<'_>, context: &ParserContext) -> TupleLiteral {
    let (
        span,
        path,
        mut children,
    ) = parse_container_node_variables!(pair, context);
    let mut expressions = vec![];
    for current in pair.into_inner() {
        match current.as_rule() {
            Rule::PAREN_OPEN => parse_insert_punctuation!(context, current, children, "("),
            Rule::PAREN_CLOSE => parse_insert_punctuation!(context, current, children, ")"),
            Rule::COMMA => parse_insert_punctuation!(context, current, children, ","),
            Rule::double_comment_block => parse_append!(parse_code_comment(current, context), children),
            Rule::expression => parse_insert!(parse_expression(current, context), children, expressions),
            _ => context.insert_unparsed(parse_span(&current)),
        }
    }
    parse_container_node_variables_cleanup!(context);
    TupleLiteral { expressions, span, children, path }
}

pub(super) fn parse_dictionary_literal(pair: Pair<'_>, context: &ParserContext, is_config_field: bool) -> DictionaryLiteral {
    let (
        span,
        path,
        mut children,
    ) = parse_container_node_variables!(pair, context);
    let mut expressions: Vec<usize> = vec![];
    let mut close_block = 0;
    for current in pair.into_inner() {
        match current.as_rule() {
            Rule::BLOCK_OPEN => parse_insert_punctuation!(context, current, children, "{"),
            Rule::BLOCK_CLOSE => {
                let punc = crate::ast::punctuations::Punctuation::new("}", parse_span(&current), context.next_path());
                close_block = punc.id();
                children.insert(Identifiable::id(&punc), punc.into());
            },
            Rule::COMMA => parse_insert_punctuation!(context, current, children, ","),
            Rule::availability_start => parse_append!(parse_availability_flag(current, context), children),
            Rule::availability_end => parse_append!(parse_availability_end(current, context), children),
            Rule::triple_comment_block => parse_append!(parse_doc_comment(current, context), children),
            Rule::double_comment_block => parse_append!(parse_code_comment(current, context), children),
            Rule::named_expression => parse_insert!(parse_named_expression(current, context, is_config_field), children, expressions),
            _ => context.insert_unparsed(parse_span(&current)),
        }
    }
    parse_container_node_variables_cleanup!(context);
    DictionaryLiteral {
        expressions,
        namespace_path: context.current_namespace_path(),
        span,
        children,
        path,
        is_config_field,
        close_block,
    }
}