GCC Code Coverage Report

Directory: ./
File: src/lexer/unlex.cpp
Date: 2023-04-27 00:55:30
Exec Total Coverage
Lines: 63 73 86.3%
Functions: 2 3 66.7%
Branches: 66 71 93.0%
Line Branch Exec Source
1
2 #include "lexer/unlex.h"
3
4 namespace lython {
5
6 std::ostream& Unlex::format(std::ostream& out, Array<Token> const& tokens) {
7
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 3063 for (auto& tok: tokens) {
8
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 2497 format(out, tok);
9
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 2497 if (should_stop) {
11 ✗ should_stop = false;
12 ✗ break;
13 }
14 }
15 566 return out;
16 }
17
18 std::ostream& Unlex::format(std::ostream& out, Token const& token, int indent) {
19
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 2852 if (indent > 0)
20 ✗ indent_level = indent;
21
22 // because indent_level is static we need a token to reset the value
23
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 2852 if (token.type() == tok_eof) {
24 25 indent_level = 0;
25 25 emptyline = true;
26 25 open_parens = false;
27 25 prev_is_op = false;
28 25 return out;
29 }
30
31 // Invisible Token
32
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 2827 if (token.type() == tok_indent) {
33 83 indent_level += 1;
34 83 return out;
35 }
36
37
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 2744 if (token.type() == tok_desindent) {
38 73 indent_level -= 1;
39 73 return out;
40 }
41
42
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 2671 if (token.type() == tok_newline) {
43 55 emptyline = true;
44
45
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 55 if (stop_on_newline) {
46 ✗ should_stop = stop_on_newline;
47 ✗ return out;
48 }
49
50 55 out << std::endl;
51 55 return out;
52 }
53
54
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 5088 if (token.type() == tok_operator || token.type() == tok_dot || token.type() == tok_in ||
55 2472 token.type() == tok_assign) {
56
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 292 if (token.operator_name() == "." || token.operator_name() == "@") {
57 31 out << token.operator_name();
58 } else {
59 261 out << " " << token.operator_name() << " ";
60 }
61
62 292 prev_is_op = true;
63 292 return out;
64 }
65
66 // Indentation
67
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 2324 if (emptyline && indent_level > 0)
68
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 54 out << String(std::size_t(indent_level * LYTHON_INDENT), ' ');
69
70
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 2324 String const& str = keyword_as_string()[token.type()];
71
72
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 2324 if (str.size() > 0) {
73 440 emptyline = false;
74
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 440 switch (token.type()) {
76 76 case tok_arrow:
77 76 case tok_as: out << " "; break;
78
79 28 case tok_import:
80
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 28 if (!emptyline) {
81 28 out << " ";
82 }
83 28 break;
84 }
85
86 440 return out << str;
87 }
88
89 // Single Char
90
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 1884 if (token.type() > 0) {
91
92
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 767 if (token.type() == '(' || token.type() == '[')
93 183 open_parens = true;
94 else
95 584 open_parens = false;
96
97 767 emptyline = false;
98 767 out << token.type();
99 767 return out;
100 }
101
102 // Everything else
103 // we printout what the lexer read in identifier (no risk of error)
104
105 // no space if the line is empty and no space if it is just after
106 // a open parens
107
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 1117 if (!prev_is_op && !emptyline && !open_parens) {
108 628 out << ' ';
109 }
110 1117 prev_is_op = false;
111
112
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 1117 if (token.type() == tok_string)
113 18 out << '"' << token.identifier() << '"';
114
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 1099 else if (token.type() == tok_docstring)
115 3 out << "\"\"\"" << token.identifier() << "\"\"\"";
116
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 1096 else if (token.type() == tok_int || token.type() == tok_float)
117 96 out << token.identifier();
118 else
119 1000 out << token.identifier();
120
121 1117 open_parens = false;
122 1117 emptyline = false;
123 1117 prev_is_op = false;
124
125 1117 return out;
126 }
127
128 void Unlex::reset() {
129 ✗ indent_level = 0;
130 ✗ emptyline = true;
131 ✗ open_parens = false;
132 ✗ prev_is_op = false;
133 ✗ }
134 } // namespace lython
135