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checker: do not skip any of the top level $if OS { branches in -os cross mode

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This commit is contained in:
Delyan Angelov 2021-07-23 14:38:12 +03:00
parent f5776eb259
commit c797e1460d
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GPG Key ID: 66886C0F12D595ED
2 changed files with 21 additions and 6 deletions
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25
vlib/v/checker/checker.v
View File

@ -77,6 +77,7 @@ pub mut:
inside_fn_arg bool // `a`, `b` in `a.f(b)`
inside_ct_attr bool // true inside [if expr]
skip_flags bool // should `#flag` and `#include` be skipped
fn_level int // 0 for the top level, 1 for `fn abc() {}`, 2 for a nested fn, etc
mut:
files []ast.File
expr_level int // to avoid infinite recursion segfaults due to compiler bugs
@ -4467,10 +4468,7 @@ fn (mut c Checker) stmt(node ast.Stmt) {
for i, ident in node.defer_vars {
mut id := ident
if id.info is ast.IdentVar {
if id.comptime && (id.name in checker.valid_comp_if_compilers
|| id.name in checker.valid_comp_if_os
|| id.name in checker.valid_comp_if_other
|| id.name in checker.valid_comp_if_platforms) {
if id.comptime && id.name in checker.valid_comp_not_user_defined {
node.defer_vars[i] = ast.Ident{
scope: 0
name: ''
@ -6548,6 +6546,12 @@ pub fn (mut c Checker) if_expr(mut node ast.IfExpr) ast.Type {
} else if !is_comptime_type_is_expr {
found_branch = true // If a branch wasn't skipped, the rest must be
}
if c.fn_level == 0 && c.pref.output_cross_c {
// do not skip any of the branches for top level `$if OS {`
// statements, in `-os cross` mode
found_branch = false
c.skip_flags = false
}
if !c.skip_flags {
c.stmts(branch.stmts)
} else if c.pref.output_cross_c {
@ -6764,7 +6768,12 @@ fn (mut c Checker) comp_if_branch(cond ast.Expr, pos token.Position) bool {
ast.Ident {
cname := cond.name
if cname in checker.valid_comp_if_os {
return cname != c.pref.os.str().to_lower()
mut is_os_target_different := false
if !c.pref.output_cross_c {
target_os := c.pref.os.str().to_lower()
is_os_target_different = cname != target_os
}
return is_os_target_different
} else if cname in checker.valid_comp_if_compilers {
return pref.cc_from_string(cname) != c.pref.ccompiler_type
} else if cname in checker.valid_comp_if_platforms {
@ -7763,7 +7772,13 @@ fn (mut c Checker) evaluate_once_comptime_if_attribute(mut a ast.Attr) bool {
}
fn (mut c Checker) fn_decl(mut node ast.FnDecl) {
c.fn_level++
defer {
c.fn_level--
}
//
c.returns = false
if node.generic_names.len > 0 && c.table.cur_concrete_types.len == 0 {
// Just remember the generic function for now.
// It will be processed later in c.post_process_generic_fns,

2
vlib/v/pref/pref.v
View File

@ -154,7 +154,7 @@ pub mut:
custom_prelude string // Contents of custom V prelude that will be prepended before code in resulting .c files
lookup_path []string
bare_builtin_dir string // Path to implementation of malloc, memset, etc. Only used if is_bare is true
output_cross_c bool
output_cross_c bool // true, when the user passed `-os cross`
prealloc bool
vroot string
out_name_c string // full os.real_path to the generated .tmp.c file; set by builder.