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llvm-mirror/test/FileCheck/numeric-expression.txt
Thomas Preud'homme 393fb2cc2e [FileCheck] Forbid using var defined on same line
Summary:
Commit r366897 introduced the possibility to set a variable from an
expression, such as [[#VAR2:VAR1+3]]. While introducing this feature, it
introduced extra logic to allow using such a variable on the same line
later on. Unfortunately that extra logic is flawed as it relies on a
mapping from variable to expression defining it when the mapping is from
variable definition to expression. This flaw causes among other issues
PR42896.

This commit avoids the problem by forbidding all use of a variable
defined on the same line, and removes the now useless logic. Redesign
will be done in a later commit because it will require some amount of
refactoring first for the solution to be clean. One example is the need
for some sort of transaction mechanism to set a variable temporarily and
from an expression and rollback if the CHECK pattern does not match so
that diagnostics show the right variable values.

Reviewers: jhenderson, chandlerc, jdenny, probinson, grimar, arichardson, rnk

Subscribers: JonChesterfield, rogfer01, hfinkel, kristina, rnk, tra, arichardson, grimar, dblaikie, probinson, llvm-commits, hiraditya

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D66141

llvm-svn: 370663
2019-09-02 14:04:00 +00:00

216 lines
7.9 KiB
Plaintext

RUN: FileCheck --input-file %s %s
; We use CHECK-NEXT directives to force a match on all lines with digits.
; Numeric variable definition without spaces.
DEF NO SPC
10
CHECK-LABEL: DEF NO SPC
CHECK-NEXT: [[#VAR1:]]
; Numeric variable definition with different spacing.
DEF SPC
11
11
11
CHECK-LABEL: DEF SPC
CHECK-NEXT: [[# VAR1a:]]
CHECK-NEXT: [[# VAR1b :]]
CHECK-NEXT: [[# VAR1c : ]]
; Numeric variable redefinition.
REDEF NO SPC
11
CHECK-LABEL: REDEF
CHECK-NEXT: [[#VAR1:]]
; Numeric expressions using variables defined on other lines without spaces.
USE NO SPC
11
12
10
11
11
11
CHECK-LABEL: USE
CHECK-NEXT: [[#VAR1]]
CHECK-NEXT: [[#VAR1+1]]
CHECK-NEXT: [[#VAR1-1]]
CHECK-NEXT: [[#VAR1a]]
CHECK-NEXT: [[#VAR1b]]
CHECK-NEXT: [[#VAR1c]]
; Numeric expressions using variables defined on other lines with different
; spacing.
USE SPC
11
11
12
12
12
12
10
10
10
10
CHECK-LABEL: USE SPC
CHECK-NEXT: [[# VAR1]]
CHECK-NEXT: [[# VAR1 ]]
CHECK-NEXT: [[# VAR1+1]]
CHECK-NEXT: [[# VAR1 +1]]
CHECK-NEXT: [[# VAR1 + 1]]
CHECK-NEXT: [[# VAR1 + 1 ]]
CHECK-NEXT: [[# VAR1-1]]
CHECK-NEXT: [[# VAR1 -1]]
CHECK-NEXT: [[# VAR1 - 1]]
CHECK-NEXT: [[# VAR1 - 1 ]]
; Numeric expressions using variables defined on other lines and an immediate
; interpreted as an unsigned value.
; Note: 9223372036854775819 = 0x8000000000000000 + 11
; 9223372036854775808 = 0x8000000000000000
USE UNSIGNED IMM
9223372036854775819
CHECK-LABEL: USE UNSIGNED IMM
CHECK-NEXT: [[#VAR1+9223372036854775808]]
; Numeric expressions using more than one variable defined on other lines.
USE MULTI VAR
31
42
CHECK-LABEL: USE MULTI VAR
CHECK-NEXT: [[#VAR2:]]
CHECK-NEXT: [[#VAR1+VAR2]]
; Numeric expression using a variable defined from a numeric expression.
DEF EXPR GOOD MATCH
42
41
; CHECK-LABEL: DEF EXPR GOOD MATCH
; CHECK-NEXT: [[# VAR42:VAR1+31]]
; CHECK-NEXT: [[# VAR42-1]]
; Empty numeric expression.
EMPTY NUM EXPR
foo 104 bar
; CHECK-LABEL: EMPTY NUM EXPR
; CHECK-NEXT: foo [[#]] bar
; Numeric expression using undefined variables.
RUN: not FileCheck --check-prefix UNDEF-USE --input-file %s %s 2>&1 \
RUN: | FileCheck --strict-whitespace --check-prefix UNDEF-USE-MSG %s
UNDEF VAR USE
UNDEFVAR: 11
UNDEF-USE-LABEL: UNDEF VAR USE
UNDEF-USE-NEXT: UNDEFVAR: [[#UNDEFVAR1+UNDEFVAR2]]
UNDEF-USE-MSG: numeric-expression.txt:[[#@LINE-1]]:17: error: {{U}}NDEF-USE-NEXT: expected string not found in input
UNDEF-USE-MSG-NEXT: {{U}}NDEF-USE-NEXT: UNDEFVAR: {{\[\[#UNDEFVAR1\+UNDEFVAR2\]\]}}
UNDEF-USE-MSG-NEXT: {{^}} ^{{$}}
UNDEF-USE-MSG-NEXT: numeric-expression.txt:[[#@LINE-6]]:1: note: scanning from here
UNDEF-USE-MSG-NEXT: UNDEFVAR: 11
UNDEF-USE-MSG-NEXT: {{^}}^{{$}}
UNDEF-USE-MSG-NEXT: numeric-expression.txt:[[#@LINE-9]]:1: note: uses undefined variable(s): "UNDEFVAR1" "UNDEFVAR2"
UNDEF-USE-MSG-NEXT: UNDEFVAR: 11
UNDEF-USE-MSG-NEXT: {{^}}^{{$}}
; Numeric expression with unsupported operator.
RUN: not FileCheck -D#NUMVAR=10 --check-prefix INVAL-OP --input-file %s %s 2>&1 \
RUN: | FileCheck --strict-whitespace --check-prefix INVAL-OP-MSG %s
INVALID OPERATOR
NUMVAR*2: 22
INVAL-OP-LABEL: INVALID OPERATOR
INVAL-OP-NEXT: NUMVAR*2: [[#NUMVAR*2]]
INVAL-OP-MSG: numeric-expression.txt:[[#@LINE-1]]:35: error: unsupported operation '*'
INVAL-OP-MSG-NEXT: {{I}}NVAL-OP-NEXT: NUMVAR*2: {{\[\[#NUMVAR\*2\]\]}}
INVAL-OP-MSG-NEXT: {{^}} ^{{$}}
; Name conflict between Numeric variable definition and string variable
; definition whether from the command-line or input text.
RUN: not FileCheck --check-prefixes CONFLICT,CONFLICT1,CONFLICT2 --input-file %s %s 2>&1 \
RUN: | FileCheck --strict-whitespace --check-prefix INPUT-STR-CONFLICT %s
RUN: not FileCheck -D#NUMVAR=42 --check-prefixes CONFLICT,CONFLICT2 --input-file %s %s 2>&1 \
RUN: | FileCheck --strict-whitespace --check-prefix INPUT-STR-CONFLICT %s
RUN: not FileCheck -D#NUMVAR=42 -DNUMVAR=foobar --check-prefix CONFLICT --input-file %s %s 2>&1 \
RUN: | FileCheck --strict-whitespace --check-prefix CLI-STR-CONFLICT %s
RUN: not FileCheck --check-prefixes CONFLICT,CONFLICT3,CONFLICT4 --input-file %s %s 2>&1 \
RUN: | FileCheck --strict-whitespace --check-prefix INPUT-NUM-CONFLICT %s
RUN: not FileCheck -DSTRVAR=foobar --check-prefixes CONFLICT,CONFLICT4 --input-file %s %s 2>&1 \
RUN: | FileCheck --strict-whitespace --check-prefix INPUT-NUM-CONFLICT %s
RUN: not FileCheck -DSTRVAR=foobar -D#STRVAR=42 --check-prefix CONFLICT --input-file %s %s 2>&1 \
RUN: | FileCheck --strict-whitespace --check-prefix CLI-NUM-CONFLICT %s
STRVAR NUMVAR CONFLICT
redef1 42
foobar
redef2 42
CONFLICT-LABEL: STRVAR NUMVAR CONFLICT
CONFLICT1-NEXT: redef1 [[#NUMVAR:]]
CONFLICT2: [[NUMVAR:foo.*]]
CONFLICT3: [[STRVAR:foo.*]]
CONFLICT4: redef2 [[#STRVAR:]]
INPUT-STR-CONFLICT: numeric-expression.txt:[[#@LINE-3]]:14: error: numeric variable with name 'NUMVAR' already exists
INPUT-STR-CONFLICT-NEXT: {{C}}ONFLICT2: {{\[\[NUMVAR:foo\.\*\]\]}}
INPUT-STR-CONFLICT-NEXT: {{^}} ^{{$}}
CLI-STR-CONFLICT: Global defines:2:19: error: numeric variable with name 'NUMVAR' already exists
CLI-STR-CONFLICT-NEXT: Global define #2: NUMVAR=foobar
CLI-STR-CONFLICT-NEXT: {{^}} ^{{$}}
INPUT-NUM-CONFLICT: numeric-expression.txt:[[#@LINE-7]]:22: error: string variable with name 'STRVAR' already exists
INPUT-NUM-CONFLICT-NEXT: CONFLICT4: redef2 {{\[\[#STRVAR:\]\]}}
INPUT-NUM-CONFLICT-NEXT: {{^}} ^{{$}}
CLI-NUM-CONFLICT: Global defines:2:45: error: string variable with name 'STRVAR' already exists
CLI-NUM-CONFLICT-NEXT: Global define #2: #STRVAR=42 (parsed as: {{\[\[#STRVAR:42\]\]}})
CLI-NUM-CONFLICT-NEXT: {{^}} ^{{$}}
; Numeric variable definition with too big value.
RUN: not FileCheck --check-prefix BIGVAL --input-file %s %s 2>&1 \
RUN: | FileCheck --strict-whitespace --check-prefix BIGVAL-MSG %s
BIG VALUE
NUMVAR: 10000000000000000000000
BIGVAL-LABEL: BIG VALUE
BIGVAL-NEXT: NUMVAR: [[#NUMVAR:]]
BIGVAL-MSG: numeric-expression.txt:[[#@LINE-3]]:9: error: Unable to represent numeric value
BIGVAL-MSG-NEXT: {{N}}UMVAR: 10000000000000000000000
BIGVAL-MSG-NEXT: {{^}} ^{{$}}
; Verify that when a variable is set to an expression the expression is still
; checked.
RUN: not FileCheck --check-prefix DEF-EXPR-FAIL --input-file %s %s 2>&1 \
RUN: | FileCheck --strict-whitespace --check-prefix DEF-EXPR-FAIL-MSG %s
DEF EXPR WRONG MATCH
20
43
DEF-EXPR-FAIL-LABEL: DEF EXPR WRONG MATCH
DEF-EXPR-FAIL-NEXT: [[# VAR20:]]
DEF-EXPR-FAIL-NEXT: [[# VAR42: VAR20+22]]
DEF-EXPR-FAIL-MSG: numeric-expression.txt:[[#@LINE-1]]:21: error: {{D}}EF-EXPR-FAIL-NEXT: is not on the line after the previous match
DEF-EXPR-FAIL-MSG-NEXT: {{D}}EF-EXPR-FAIL-NEXT: {{\[\[# VAR42: VAR20\+22\]\]}}
DEF-EXPR-FAIL-MSG-NEXT: {{^}} ^{{$}}
; Verify that using a numeric variable defined on the same line (whether from
; input or from an expression) is rejected.
RUN: not FileCheck --check-prefix SAME-LINE-USE1 --input-file %s %s 2>&1 \
RUN: | FileCheck --strict-whitespace --check-prefix SAME-LINE-USE-MSG1 %s
RUN: not FileCheck --check-prefix SAME-LINE-USE2 --input-file %s %s 2>&1 \
RUN: | FileCheck --strict-whitespace --check-prefix SAME-LINE-USE-MSG2 %s
SAME LINE USE
3
4 5
SAME-LINE-USE1-LABEL: SAME LINE USE
SAME-LINE-USE1-NEXT: [[#]]
SAME-LINE-USE1-NEXT: [[#VAR1:]] [[#VAR1+1]]
SAME-LINE-USE-MSG1: numeric-expression.txt:[[#@LINE-1]]:36: error: numeric variable 'VAR1' defined earlier in the same CHECK directive
SAME-LINE-USE-MSG1-NEXT: {{S}}AME-LINE-USE1-NEXT: {{\[\[#VAR1:\]\] \[\[#VAR1\+1\]\]}}
SAME-LINE-USE-MSG1-NEXT: {{^}} ^{{$}}
SAME-LINE-USE2-LABEL: SAME LINE USE
SAME-LINE-USE2-NEXT: [[#VAR1:]]
SAME-LINE-USE2-NEXT: [[#VAR2:VAR1+1]] [[#VAR2+1]]
SAME-LINE-USE-MSG2: numeric-expression.txt:[[#@LINE-1]]:42: error: numeric variable 'VAR2' defined earlier in the same CHECK directive
SAME-LINE-USE-MSG2-NEXT: {{S}}AME-LINE-USE2-NEXT: {{\[\[#VAR2:VAR1\+1\]\] \[\[#VAR2\+1\]\]}}
SAME-LINE-USE-MSG2-NEXT: {{^}} ^{{$}}