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#include <stdlib.h> |
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#include <string.h> |
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#include <stdarg.h> |
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#include "gwion_util.h" |
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#include "gwion_ast.h" |
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#include "gwion_env.h" |
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#include "vm.h" |
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#include "object.h" |
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#include "instr.h" |
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#include "gwion.h" |
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#include "operator.h" |
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#include "import.h" |
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#include "gack.h" |
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ANN2(1) static int fmtlen(const char *fmt, va_list args) { |
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va_list tmpa; |
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va_copy(tmpa, args); |
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const int size = vsnprintf(NULL, 0, fmt, tmpa); |
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va_end(tmpa); |
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return size; |
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} |
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ANN2(2) static int gw_vasprintf(MemPool mp, char **str, const char *fmt, va_list args) { |
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char *base = *str; |
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✓✓ |
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const size_t base_len = base ? strlen(base) : 0; |
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✗✓ |
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DECL_BB(const int, size, = fmtlen(fmt, args)) |
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char *ret = mp_malloc2(mp, base_len + size + 1); |
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✓✓ |
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if(base) |
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strcpy(ret, base); |
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const int final_len = vsprintf(ret + base_len, fmt, args); |
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if(final_len < 0) { |
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mp_free2(mp, base_len + size + 1, ret); |
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return -1; |
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} |
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✓✓ |
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if(base) |
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mp_free2(mp, strlen(base), base); |
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*str = ret; |
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return final_len; |
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} |
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ANN2(2) int gw_asprintf(MemPool mp, char **str, const char *fmt, ...) { |
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va_list args; |
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va_start(args, fmt); |
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const int ret = gw_vasprintf(mp, str, fmt, args); |
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va_end(args); |
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return ret; |
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} |
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ANN static void prepare_call(const VM_Shred shred, const m_uint offset) { |
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shred->mem += offset; |
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*(m_uint*)(shred->mem + SZ_INT) = offset + SZ_INT; |
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*(VM_Code*)(shred->mem + SZ_INT*2) = shred->code; |
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*(m_uint*)(shred->mem + SZ_INT*3) = shred->pc; |
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*(m_uint*)(shred->mem + SZ_INT*4) = SZ_INT; |
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shred->mem += SZ_INT*5; |
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shred->pc = 0; |
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} |
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ANN void gack(const VM_Shred shred, const m_uint offset) { |
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const Type t = *(Type*)shred->reg; |
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const VM_Code code = get_gack(t)->e->gack; |
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✓✓ |
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if(GET_FLAG(code, builtin)) { |
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const m_uint sz = *(m_uint*)(shred->reg + SZ_INT); |
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((f_gack)code->native_func)(t, (shred->reg - sz), shred); |
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POP_REG(shred, sz); |
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} else { |
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prepare_call(shred, offset); |
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✓✓ |
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if(GET_FLAG(t, struct)) |
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*(void**)(shred->mem) = (void*)(shred->reg - t->size); |
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else |
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*(M_Object*)(shred->mem) = *(M_Object*)(shred->reg - SZ_INT); |
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shred->code = code; |
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} |
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return; |
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} |
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