require `unsafe` for dereferencing
parent
c7f3413d70
commit
fdf6682254
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@ -1441,7 +1441,9 @@ fn (p mut Parser) dispatch_generic_fn_instance(f mut Fn, ti TypeInst) {
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p.cgen.tmp_line = ''
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p.cgen.tmp_line = ''
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p.cgen.cur_line = ''
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p.cgen.cur_line = ''
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p.cgen.lines = []string
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p.cgen.lines = []string
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p.cur_fn = *f
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unsafe { // TODO
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p.cur_fn = *f
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}
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for arg in f.args {
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for arg in f.args {
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p.register_var(arg)
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p.register_var(arg)
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}
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}
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@ -1481,6 +1481,10 @@ fn (p mut Parser) get_var_type(name string, is_ptr bool, is_deref bool) string {
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mut typ := p.var_expr(v)
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mut typ := p.var_expr(v)
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// *var
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// *var
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if is_deref {
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if is_deref {
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if !p.inside_unsafe {
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p.warn('dereferencing can only be done inside an `unsafe` block')
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}
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if !typ.contains('*') && !typ.ends_with('ptr') {
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if !typ.contains('*') && !typ.ends_with('ptr') {
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println('name="$name", t=$v.typ')
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println('name="$name", t=$v.typ')
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p.error('dereferencing requires a pointer, but got `$typ`')
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p.error('dereferencing requires a pointer, but got `$typ`')
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@ -22,8 +22,10 @@ fn C.rand() int
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* @return a value between 0 and C.RAND_MAX (inclusive)
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* @return a value between 0 and C.RAND_MAX (inclusive)
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*/
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*/
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pub fn rand_r(seed &int) int {
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pub fn rand_r(seed &int) int {
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unsafe {
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mut rs := seed
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mut rs := seed
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ns := ( *rs * 1103515245 + 12345 )
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ns := ( *rs * 1103515245 + 12345 )
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*rs = ns
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*rs = ns
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return ns & 0x7fffffff
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return ns & 0x7fffffff
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}
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}
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}
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