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#define assert(X) do { if (!(X)) __asm__("int3"); } while (0)
#define IMXML_SIMD_DEFAULT SCALAR
#define IMXML_NO_SUPPORT_SINGLE_QUOTES
#define IMXML_NO_SUPPORT_COMMENTS
#define IMXML_NO_SUPPORT_CDATA
#define IMXML_NO_SUPPORT_ENTITIES
#define IMXML_NO_SUPPORT_NAMESPACES
#define THREADLOCAL
#define IMXML_NO_CHECK_BOUNDS
#define IMXML_IMPLEMENTATION
#include "imxml.h"
// some compilers require memset to be present
void* memset (void* s, int c, size_t n) {
for (size_t i = 0; i < n; ++i) {
((char*)s)[i] = c;
}
return s;
}
static void write (ImxmlString s) {
long ret;
__asm__ volatile(
"syscall"
: "=a"(ret)
: "a"(1), "D"(1), "S"(s.items), "d"(s.count)
: "rcx", "r11", "memory"
);
}
void start (void) {
static ImxmlCharSequence xml = "<msg from=\"John\" to=\"Jane\">Hello, World!</msg>"IMXML_LIT_PAD;
XmlParser p = {
.head = xml,
};
assert(xml_tag_expect(&p, "msg"));
assert(xml_attr_expect(&p, "from"));
ImxmlString const from = xml_value(&p);
assert(xml_attr_expect(&p, "to"));
ImxmlString const to = xml_value(&p);
XmlContent content = xml_content(&p);
assert(content.type == XML_CONTENT_TEXT);
ImxmlString const msg = content.data;
write(from);
write(imxml_strlit("->"));
write(to);
write(imxml_strlit(": "));
write(msg);
write(imxml_strlit("\n"));
__asm__ volatile(
"syscall\n"
:
: "a"(60), "D"(0)
: "rcx", "r11", "memory"
);
}
void _start (void) {
__asm__ volatile (
"andq $-16, %rsp\n" // required because the compiler emits aligned stack loads later
"call start\n"
);
}
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