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implemneted ejs, php detection #1157

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7 changes: 7 additions & 0 deletions src/quick-lint-js/diag/diagnostic-types-2.h
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,13 @@ QLJS_RESERVED_DIAG("E0279")
QLJS_RESERVED_DIAG("E0391")
QLJS_RESERVED_DIAG("E0707")

struct Diag_EJS_or_PHP_Syntax_Detected {
[[qljs::diag("E0991", Diagnostic_Severity::warning)]] //
[[qljs::message("Detected potential EJS or PHP syntax",
ARG(span))]] //
Source_Code_Span span;
};

struct Diag_Abstract_Field_Cannot_Have_Initializer {
[[qljs::diag("E0295", Diagnostic_Severity::error)]] //
[[qljs::message("abstract fields cannot have default values",
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12 changes: 10 additions & 2 deletions src/quick-lint-js/fe/lex.cpp
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Expand Up @@ -432,8 +432,16 @@ bool Lexer::try_parse_current_token() {
break;

case '<':
if (this->input_[1] == '!' && this->input_[2] == '-' &&
this->input_[3] == '-') {
// checking for EJS or PHP syntax
if((this->input_[0] == '<' && (this->input_[1] == '%')) || (this->input_[0] == '?')){
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Nit: Checking this->input_[0] == '<' is redundant. (Line 434 already checks for '<'.)

this->diag_reporter_->report(Diag_EJS_or_PHP_Syntax_Detected{
Source_Code_Span(&this->input_[0], &this->input_[2])
});
// moving the input pointer after detecting sequence
this->input_+=2;
return false;
}else if (this->input_[1] == '!' && this->input_[2] == '-' &&
this->input_[3] == '-') {
this->input_ += 4;
this->skip_line_comment_body();
return false;
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5 changes: 5 additions & 0 deletions test/test-parse-warning.cpp
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Expand Up @@ -31,6 +31,11 @@ class Test_Parse_Warning : public Test_Parse_Expression {};
class Test_Error_Equals_Does_Not_Distribute_Over_Or
: public Test_Parse_Expression {};

TEST_F(Test_Parse_Warning, warn_on_ejs_or_php_syntax) {
test_lex("window.audioRecordingBitRate = <%= audioRecordingBitRate %>;",
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Include a test for PHP-style syntax as well.

" ^^^ Diag_EJS_or_PHP_Syntax_Detected"_diag);
}
Comment on lines +34 to +37
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Must fix: Put this test in test-lex.cpp, not here.


TEST_F(Test_Parse_Warning, condition_with_assignment_from_literal) {
{
Spy_Visitor p = test_parse_and_visit_statement(
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