File: glr.cpp

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (30 lines) | stat: -rw-r--r-- 1,489 bytes parent folder | download | duplicates (8)
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
// RUN: clang-pseudo -grammar=cxx -source=%s --print-forest -print-statistics | FileCheck %s

void foo() {
  T* a; // a multiply expression or a pointer declaration?
// CHECK:      statement-seq~statement := <ambiguous>
// CHECK-NEXT: ├─statement~expression-statement := expression ;
// CHECK-NEXT: │ ├─expression~multiplicative-expression := multiplicative-expression * pm-expression
// CHECK-NEXT: │ │ ├─multiplicative-expression~IDENTIFIER := tok[5]
// CHECK-NEXT: │ │ ├─* := tok[6]
// CHECK-NEXT: │ │ └─pm-expression~id-expression := unqualified-id #1
// CHECK-NEXT: │ │   └─unqualified-id~IDENTIFIER := tok[7]
// CHECK-NEXT: │ └─; := tok[8]
// CHECK-NEXT: └─statement~simple-declaration := decl-specifier-seq init-declarator-list ;
// CHECK-NEXT:   ├─decl-specifier-seq~simple-type-specifier := <ambiguous>
// CHECK-NEXT:   │ ├─simple-type-specifier~IDENTIFIER := tok[5]
// CHECK-NEXT:   │ └─simple-type-specifier~IDENTIFIER := tok[5]
// CHECK-NEXT:   ├─init-declarator-list~ptr-declarator := ptr-operator ptr-declarator
// CHECK-NEXT:   │ ├─ptr-operator~* := tok[6]
// CHECK-NEXT:   │ └─ptr-declarator~id-expression =#1
// CHECK-NEXT:   └─; := tok[8]
}

// CHECK:      2 Ambiguous nodes:
// CHECK-NEXT: 1 simple-type-specifier
// CHECK-NEXT: 1 statement
// CHECK-EMPTY:
// CHECK-NEXT: 0 Opaque nodes:
// CHECK-EMPTY:
// CHECK-NEXT: Ambiguity: 0.20 misparses/token
// CHECK-NEXT: Unparsed: 0.00%