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fix crash on string literal with character code >= 128

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See #258
This commit is contained in:
Andrew Kelley 2017-02-11 14:01:11 -05:00
parent 39287d7346
commit f7173f4f08
2 changed files with 8 additions and 6 deletions
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12
src/analyze.cpp
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@ -3038,7 +3038,7 @@ void init_const_str_lit(CodeGen *g, ConstExprValue *const_val, Buf *str) {
ConstExprValue *this_char = &const_val->data.x_array.elements[i];
this_char->special = ConstValSpecialStatic;
this_char->type = g->builtin_types.entry_u8;
bignum_init_unsigned(&this_char->data.x_bignum, buf_ptr(str)[i]);
bignum_init_unsigned(&this_char->data.x_bignum, (uint8_t)buf_ptr(str)[i]);
}
}
@ -3059,7 +3059,7 @@ void init_const_c_str_lit(CodeGen *g, ConstExprValue *const_val, Buf *str) {
ConstExprValue *this_char = &array_val->data.x_array.elements[i];
this_char->special = ConstValSpecialStatic;
this_char->type = g->builtin_types.entry_u8;
bignum_init_unsigned(&this_char->data.x_bignum, buf_ptr(str)[i]);
bignum_init_unsigned(&this_char->data.x_bignum, (uint8_t)buf_ptr(str)[i]);
}
ConstExprValue *null_char = &array_val->data.x_array.elements[len_with_null - 1];
null_char->special = ConstValSpecialStatic;
@ -3594,11 +3594,13 @@ void render_const_value(Buf *buf, ConstExprValue *const_val) {
buf_append_char(buf, '"');
for (uint64_t i = 0; i < len; i += 1) {
ConstExprValue *child_value = &const_val->data.x_array.elements[i];
uint64_t x = child_value->data.x_bignum.data.x_uint;
if (x == '"') {
uint64_t big_c = child_value->data.x_bignum.data.x_uint;
assert(big_c <= UINT8_MAX);
uint8_t c = big_c;
if (c == '"') {
buf_append_str(buf, "\\\"");
} else {
buf_append_char(buf, x);
buf_append_char(buf, c);
}
}
buf_append_char(buf, '"');

2
std/io.zig
View File

@ -156,7 +156,7 @@ pub const OutStream = struct {
width = 0;
state = State.Integer;
},
else => @compileError("Unknown format character: " ++ c),
else => @compileError("Unknown format character: " ++ []u8{c}),
},
State.CloseBrace => switch (c) {
'}' => {