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cgen: fix c2v consts; enum_decl()

Alexander Medvednikov 2022-05-07 00:58:14 +03:00 committed by Jef Roosens
parent e3ec27b73f
commit 9d5a0d9f64
Signed by: Jef Roosens
GPG Key ID: B75D4F293C7052DB
2 changed files with 43 additions and 29 deletions
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3
vlib/builtin/cfns.c.v
View File

@ -71,6 +71,9 @@ fn C.fclose(stream &C.FILE) int
fn C.pclose(stream &C.FILE) int
fn C.strrchr(s &char, c int) &char
fn C.strchr(s &char, c int) &char
// process execution, os.process:
[trusted]
fn C.getpid() int

67
vlib/v/gen/c/cgen.v
View File

@ -1751,34 +1751,7 @@ fn (mut g Gen) stmt(node ast.Stmt) {
g.defer_stmts << defer_stmt
}
ast.EnumDecl {
enum_name := util.no_dots(node.name)
is_flag := node.is_flag
g.enum_typedefs.writeln('typedef enum {')
mut cur_enum_expr := ''
mut cur_enum_offset := 0
for i, field in node.fields {
g.enum_typedefs.write_string('\t${enum_name}__$field.name')
if field.has_expr {
g.enum_typedefs.write_string(' = ')
expr_str := g.expr_string(field.expr)
g.enum_typedefs.write_string(expr_str)
cur_enum_expr = expr_str
cur_enum_offset = 0
} else if is_flag {
g.enum_typedefs.write_string(' = ')
cur_enum_expr = '1 << $i'
g.enum_typedefs.write_string((1 << i).str())
cur_enum_offset = 0
}
cur_value := if cur_enum_offset > 0 {
'$cur_enum_expr+$cur_enum_offset'
} else {
cur_enum_expr
}
g.enum_typedefs.writeln(', // $cur_value')
cur_enum_offset++
}
g.enum_typedefs.writeln('} $enum_name;\n')
g.enum_decl(node)
}
ast.ExprStmt {
g.write_v_source_line_info(node.pos)
@ -3418,6 +3391,37 @@ fn (mut g Gen) selector_expr(node ast.SelectorExpr) {
}
}
fn (mut g Gen) enum_decl(node ast.EnumDecl) {
enum_name := util.no_dots(node.name)
is_flag := node.is_flag
g.enum_typedefs.writeln('typedef enum {')
mut cur_enum_expr := ''
mut cur_enum_offset := 0
for i, field in node.fields {
g.enum_typedefs.write_string('\t${enum_name}__$field.name')
if field.has_expr {
g.enum_typedefs.write_string(' = ')
expr_str := g.expr_string(field.expr)
g.enum_typedefs.write_string(expr_str)
cur_enum_expr = expr_str
cur_enum_offset = 0
} else if is_flag {
g.enum_typedefs.write_string(' = ')
cur_enum_expr = '1 << $i'
g.enum_typedefs.write_string((1 << i).str())
cur_enum_offset = 0
}
cur_value := if cur_enum_offset > 0 {
'$cur_enum_expr+$cur_enum_offset'
} else {
cur_enum_expr
}
g.enum_typedefs.writeln(', // $cur_value')
cur_enum_offset++
}
g.enum_typedefs.writeln('} $enum_name;\n')
}
fn (mut g Gen) enum_expr(node ast.Expr) {
match node {
ast.EnumVal {
@ -4490,8 +4494,15 @@ fn (mut g Gen) const_decl_simple_define(name string, val string) {
} else {
x = '_const_$x'
}
if g.pref.translated {
g.definitions.write_string('const int $x = ')
} else {
g.definitions.write_string('#define $x ')
}
g.definitions.writeln(val)
if g.pref.translated {
g.definitions.write_string(';')
}
}
fn (mut g Gen) const_decl_init_later(mod string, name string, expr ast.Expr, typ ast.Type, unwrap_option bool) {