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gen: panic with correct type names (#8355)

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This commit is contained in:
Daniel Däschle
2021-01-30 17:54:05 +01:00
committed by GitHub
parent 849bc6c3d8
commit 2cadb3e4d8
3 changed files with 68 additions and 18 deletions
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37
vlib/builtin/builtin.v
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@ -4,8 +4,8 @@
module builtin
__global (
g_m2_buf byteptr
g_m2_ptr byteptr
g_m2_buf byteptr
g_m2_ptr byteptr
)
// isnil returns true if an object is nil (only for C objects).
@ -29,14 +29,31 @@ pub fn print_backtrace() {
print_backtrace_skipping_top_frames(2)
}
struct VCastTypeIndexName {
tindex int
tname string
}
__global (
total_m = i64(0)
nr_mallocs = int(0)
total_m = i64(0)
nr_mallocs = int(0)
// will be filled in cgen
as_cast_type_indexes []VCastTypeIndexName
)
fn __as_cast(obj voidptr, obj_type int, expected_type int) voidptr {
if obj_type != expected_type {
panic('as cast: cannot cast $obj_type to $expected_type')
mut obj_name := as_cast_type_indexes[0].tname
mut expected_name := as_cast_type_indexes[0].tname
for x in as_cast_type_indexes {
if x.tindex == obj_type {
obj_name = x.tname
}
if x.tindex == expected_type {
expected_name = x.tname
}
}
panic('as cast: cannot cast `$obj_name` to `$expected_name`')
}
return obj
}
@ -55,15 +72,15 @@ pub:
lvalue string // the stringified *actual value* of the left side of a failed assertion
rvalue string // the stringified *actual value* of the right side of a failed assertion
}
fn __print_assert_failure(i &VAssertMetaInfo) {
eprintln('${i.fpath}:${i.line_nr+1}: FAIL: fn ${i.fn_name}: assert ${i.src}')
eprintln('$i.fpath:${i.line_nr + 1}: FAIL: fn $i.fn_name: assert $i.src')
if i.op.len > 0 && i.op != 'call' {
eprintln(' left value: ${i.llabel} = ${i.lvalue}')
eprintln(' left value: $i.llabel = $i.lvalue')
if i.rlabel == i.rvalue {
eprintln(' right value: $i.rlabel')
}
else {
eprintln(' right value: ${i.rlabel} = ${i.rvalue}')
} else {
eprintln(' right value: $i.rlabel = $i.rvalue')
}
}
}