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This repository was archived by the owner on Jul 19, 2025. It is now read-only.

Commit 89e795a

Browse files
Revert "Integrate PHP parser server"
This reverts commit 26e244d.
1 parent 065ee38 commit 89e795a

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6 files changed

+404
-106
lines changed

6 files changed

+404
-106
lines changed

‎lib/cc/engine/analyzers/php/ast.rb‎

Lines changed: 51 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,51 @@
1+
# frozen_string_literal: true
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3+
require "cc/engine/analyzers/php/nodes"
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5+
module CC
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module Engine
7+
module Analyzers
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module Php
9+
class AST
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def self.json_to_ast(ast, filename)
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return nil unless ast
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13+
if ast.is_a?(Array)
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return ast.map { |v| json_to_ast(v, filename) }
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end
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unless ast.is_a?(Hash)
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return ast
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end
20+
21+
prefix_re = /^(Expr|Scalar|Stmt)_?/
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suffix_re = /_$/
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24+
node_attrs = {
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file: filename,
26+
}
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if (node_type = ast.delete("nodeType"))
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node_attrs[:node_type] = node_type.
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sub(prefix_re, "").
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sub(suffix_re, "")
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end
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ast.each do |key, value|
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unless key == "nodeAttributes"
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case value
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when Hash
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value = json_to_ast(value, filename)
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when Array
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value = value.map { |v| json_to_ast(v, filename) }
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end
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node_attrs[key.to_sym] = value
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end
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end
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Nodes::Node.new(node_attrs)
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end
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end
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end
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end
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end
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end

‎lib/cc/engine/analyzers/php/main.rb‎

Lines changed: 15 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,9 @@
11
# frozen_string_literal: true
22

3+
require "cc/engine/analyzers/php/parser"
34
require "cc/engine/analyzers/analyzer_base"
5+
require "flay"
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require "json"
47

58
module CC
69
module Engine
@@ -11,16 +14,14 @@ class Main < CC::Engine::Analyzers::Base
1114
PATTERNS = [
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"**/*.php",
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].freeze
14-
DEFAULT_MASS_THRESHOLD = 75
17+
DEFAULT_MASS_THRESHOLD = 28
1518
DEFAULT_FILTERS = [
16-
"(Stmt_Use ___)",
19+
"(use ___)".freeze,
1720
].freeze
18-
POINTS_PER_OVERAGE = 40_000
19-
REQUEST_PATH = "/php"
20-
COMMENT_MATCHER = Sexp::Matcher.parse("(_ (comments ___) ___)")
21+
POINTS_PER_OVERAGE = 100_000
2122

2223
def transform_sexp(sexp)
23-
delete_comments!(sexp)
24+
sexp.flatter
2425
end
2526

2627
def use_sexp_lines?
@@ -29,16 +30,18 @@ def use_sexp_lines?
2930

3031
private
3132

32-
def process_file(file)
33-
parse(file, REQUEST_PATH)
33+
def process_file(path)
34+
code = File.binread(path)
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ast = php_parser.new(code, path).parse
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ast.syntax_tree&.to_sexp if ast
3437
end
3538

36-
def default_filters
37-
DEFAULT_FILTERS.map{ |filter| Sexp::Matcher.parsefilter}
39+
def php_parser
40+
::CC::Engine::Analyzers::Php::Parser
3841
end
3942

40-
def delete_comments!(sexp)
41-
sexp.search_each(COMMENT_MATCHER) { |node| node.delete_at(1) }
43+
def default_filters
44+
DEFAULT_FILTERS.map { |filter| Sexp::Matcher.parsefilter }
4245
end
4346
end
4447
end

‎lib/cc/engine/analyzers/php/nodes.rb‎

Lines changed: 67 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,67 @@
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# frozen_string_literal: true
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require "cc/engine/analyzers/php/visitor"
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module CC
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module Engine
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module Analyzers
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module Php
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module Nodes
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class Node
11+
def initialize(attrs)
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@attrs = attrs
13+
end
14+
15+
def accept(visitor)
16+
node_type = @attrs[:node_type]
17+
visit_method = :"visit_#{node_type}Node"
18+
19+
if visitor.respond_to?(visit_method)
20+
visitor.send(visit_method, self)
21+
end
22+
end
23+
24+
def line
25+
@attrs[:startLine]
26+
end
27+
28+
def file
29+
@attrs[:file]
30+
end
31+
32+
def identifier
33+
@attrs[:name] || @attrs[:value]
34+
end
35+
36+
def to_sexp
37+
CC::Engine::Analyzers::Php::Visitor.new.accept(self)
38+
end
39+
40+
def each_pair(&block)
41+
@attrs.each_pair(&block)
42+
end
43+
44+
def sub_nodes
45+
[].tap do |nodes|
46+
each_pair do |_, value|
47+
case value
48+
when Hash
49+
value.each do |_, v|
50+
nodes << v if v.is_a?(Node)
51+
end
52+
when Array
53+
value.each do |e|
54+
nodes << e if e.is_a?(Node)
55+
end
56+
when Node
57+
nodes << value
58+
end
59+
end
60+
end
61+
end
62+
end
63+
end
64+
end
65+
end
66+
end
67+
end
Lines changed: 51 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,51 @@
1+
# frozen_string_literal: true
2+
3+
require "cc/engine/analyzers/command_line_runner"
4+
require "cc/engine/analyzers/parser_base"
5+
require "cc/engine/analyzers/php/ast"
6+
require "cc/engine/analyzers/php/nodes"
7+
8+
module CC
9+
module Engine
10+
module Analyzers
11+
module Php
12+
class Parser < ParserBase
13+
TIMEOUT = 10
14+
15+
attr_reader :code, :filename, :syntax_tree
16+
17+
def initialize(code, filename)
18+
@code = code
19+
@filename = filename
20+
end
21+
22+
def parse
23+
cmd = "php -d 'display_errors = Off' #{parser_path}"
24+
runner = CommandLineRunner.new(cmd, TIMEOUT)
25+
runner.run(code) do |output|
26+
json = parse_json(output)
27+
28+
@syntax_tree = CC::Engine::Analyzers::Php::Nodes::Node.new(
29+
stmts: CC::Engine::Analyzers::Php::AST.json_to_ast(json, filename),
30+
node_type: "AST",
31+
)
32+
end
33+
34+
self
35+
rescue Timeout::Error
36+
CC.logger.warn("TIMEOUT parsing #{filename}. Skipping.")
37+
end
38+
39+
private
40+
41+
def parser_path
42+
relative_path = "../../../../../vendor/php-parser/parser.php"
43+
File.expand_path(
44+
File.join(File.dirname(__FILE__), relative_path),
45+
)
46+
end
47+
end
48+
end
49+
end
50+
end
51+
end

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