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improve warnings (#4247)

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closes #4244
This commit is contained in:
Alex Lam S.L
2020-10-27 09:39:33 +00:00
committed by GitHub
parent 607f87c5cd
commit 79e5c3f564
9 changed files with 64 additions and 63 deletions
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1
test/compress.js
View File

@@ -315,6 +315,7 @@ function test_case(test) {
if (test.mangle.properties) U.mangle_properties(output, test.mangle.properties);
}
var output_code = make_code(output, output_options);
U.AST_Node.log_function();
if (expect != output_code) {
log([
"!!! failed",

2
test/compress/conditionals.js
View File

@@ -83,13 +83,11 @@ ifs_3_should_warn: {
"WARN: Condition left of && always false [test/compress/conditionals.js:3,12]",
"WARN: Condition always false [test/compress/conditionals.js:3,12]",
"WARN: Dropping unreachable code [test/compress/conditionals.js:3,34]",
"WARN: Declarations in unreachable code! [test/compress/conditionals.js:4,12]",
"WARN: + in boolean context always true [test/compress/conditionals.js:10,19]",
"WARN: Boolean || always true [test/compress/conditionals.js:10,12]",
"WARN: Condition left of || always true [test/compress/conditionals.js:10,12]",
"WARN: Condition always true [test/compress/conditionals.js:10,12]",
"WARN: Dropping unreachable code [test/compress/conditionals.js:12,15]",
"WARN: Declarations in unreachable code! [test/compress/conditionals.js:13,12]",
"WARN: Dropping side-effect-free statement [test/compress/conditionals.js:3,12]",
"WARN: Dropping side-effect-free statement [test/compress/conditionals.js:10,12]",
]

4
test/compress/dead-code.js
View File

@@ -61,8 +61,6 @@ dead_code_2_should_warn: {
expect_stdout: true
expect_warnings: [
"WARN: Dropping unreachable code [test/compress/dead-code.js:8,12]",
"WARN: Declarations in unreachable code! [test/compress/dead-code.js:10,16]",
"WARN: Dropping unreachable code [test/compress/dead-code.js:10,16]",
]
node_version: "<=4"
}
@@ -103,11 +101,9 @@ dead_code_constant_boolean_should_warn_more: {
"WARN: + in boolean context always true [test/compress/dead-code.js:1,33]",
"WARN: Boolean || always true [test/compress/dead-code.js:1,16]",
"WARN: Dropping unreachable code [test/compress/dead-code.js:1,45]",
"WARN: Declarations in unreachable code! [test/compress/dead-code.js:3,12]",
"WARN: Boolean expression always true [test/compress/dead-code.js:6,47]",
"WARN: Boolean && always false [test/compress/dead-code.js:6,28]",
"WARN: Dropping unreachable code [test/compress/dead-code.js:6,63]",
"WARN: Declarations in unreachable code! [test/compress/dead-code.js:9,12]",
"WARN: Dropping side-effect-free statement [test/compress/dead-code.js:1,15]",
"WARN: Dropping side-effect-free statement [test/compress/dead-code.js:6,28]",
]

30
test/compress/issue-1034.js
View File

@@ -39,7 +39,7 @@ non_hoisted_function_after_return: {
"WARN: Dropping unreachable code [test/compress/issue-1034.js:4,16]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:7,16]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:10,12]",
"WARN: Dropping unused function UnusedFunction [test/compress/issue-1034.js:11,21]"
"WARN: Dropping unused function UnusedFunction [test/compress/issue-1034.js:11,21]",
]
}
@@ -84,15 +84,12 @@ non_hoisted_function_after_return_2a: {
}
}
expect_warnings: [
"WARN: Dropping unreachable code [test/compress/issue-1034.js:4,16]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:4,16]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:7,16]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:7,16]",
"WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:4,16]",
"WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:7,16]",
"WARN: Dropping unused variable a [test/compress/issue-1034.js:4,20]",
"WARN: Dropping unused function nope [test/compress/issue-1034.js:11,21]",
"INFO: pass 0: last_count: Infinity, count: 35",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:9,12]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:9,12]",
"WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:9,12]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:12,12]",
"INFO: Dropping unused variable b [test/compress/issue-1034.js:7,20]",
"INFO: Dropping unused variable c [test/compress/issue-1034.js:9,16]",
@@ -138,10 +135,7 @@ non_hoisted_function_after_return_2b: {
}
}
expect_warnings: [
"WARN: Dropping unreachable code [test/compress/issue-1034.js:6,16]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:6,16]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:8,12]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:8,12]",
"WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:8,12]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:12,12]",
]
}
@@ -242,15 +236,12 @@ non_hoisted_function_after_return_2a_strict: {
}
expect_stdout: "5 6"
expect_warnings: [
"WARN: Dropping unreachable code [test/compress/issue-1034.js:5,16]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:5,16]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:8,16]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:8,16]",
"WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:5,16]",
"WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:8,16]",
"WARN: Dropping unused variable a [test/compress/issue-1034.js:5,20]",
"WARN: Dropping unused function nope [test/compress/issue-1034.js:12,21]",
"INFO: pass 0: last_count: Infinity, count: 46",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:10,12]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:10,12]",
"WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:10,12]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:13,12]",
"INFO: Dropping unused variable b [test/compress/issue-1034.js:8,20]",
"INFO: Dropping unused variable c [test/compress/issue-1034.js:10,16]",
@@ -301,10 +292,7 @@ non_hoisted_function_after_return_2b_strict: {
}
expect_stdout: "5 6"
expect_warnings: [
"WARN: Dropping unreachable code [test/compress/issue-1034.js:7,16]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:7,16]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:9,12]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:9,12]",
"WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:9,12]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:13,12]",
]
}