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i shall make stack machine

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tildearrow 2024-06-02 21:56:18 -05:00
parent 52b45ef5ab
commit 118103b8af
3 changed files with 177 additions and 3 deletions
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8
src/main.cpp
View file

@ -522,8 +522,12 @@ int main(int argc, char** argv) {
} else {
logV("locale: %s",localeRet);
}
if ((localeRet=TA_BINDTEXTDOMAIN("furnace","../po/locale"))==NULL) {
logE("could not bind text domain!");
if ((localeRet=TA_BINDTEXTDOMAIN("furnace","locale"))==NULL) {
if ((localeRet=TA_BINDTEXTDOMAIN("furnace","../po/locale"))==NULL) {
logE("could not bind text domain!");
} else {
logV("text domain 1: %s",localeRet);
}
} else {
logV("text domain 1: %s",localeRet);
}

146
src/momo/momo.c
View file

@ -36,6 +36,32 @@
static char curLocale[64];
static char tempPath[4096];
enum StackInstruction {
MOMO_STACK_EXIT=0,
MOMO_STACK_PUSH,
MOMO_STACK_PUSH_N,
MOMO_STACK_ADD,
MOMO_STACK_SUB,
MOMO_STACK_MUL,
MOMO_STACK_DIV,
MOMO_STACK_MOD,
MOMO_STACK_CMP_EQ,
MOMO_STACK_CMP_NE,
MOMO_STACK_CMP_GT,
MOMO_STACK_CMP_LT,
MOMO_STACK_CMP_GE,
MOMO_STACK_CMP_LE,
MOMO_STACK_CMP_AND,
MOMO_STACK_CMP_OR,
MOMO_STACK_TRUE,
MOMO_STACK_FALSE
};
struct StackData {
unsigned char ins;
unsigned char param;
};
struct LocaleDomain {
char path[4096];
char name[64];
@ -45,6 +71,7 @@ struct LocaleDomain {
const char** transPtr;
size_t stringCount;
size_t firstString[256];
struct StackData pluralProgram[256];
};
struct MOHeader {
@ -63,6 +90,124 @@ static size_t domainsLen=0;
// utility
unsigned int runStackMachine(struct StackData* data, size_t count, unsigned int n) {
size_t pc=0;
unsigned int stack[256];
unsigned char sp=0xff;
memset(stack,0,256*sizeof(unsigned int));
while (pc<count) {
unsigned int param=data[pc].param;
unsigned int op1, op2;
switch (data[pc].ins) {
case MOMO_STACK_EXIT:
return stack[sp];
break;
case MOMO_STACK_PUSH:
stack[++sp]=param;
break;
case MOMO_STACK_PUSH_N:
stack[++sp]=n;
break;
case MOMO_STACK_ADD:
op2=stack[sp--];
op1=stack[sp--];
stack[++sp]=op1+op2;
break;
case MOMO_STACK_SUB:
op2=stack[sp--];
op1=stack[sp--];
stack[++sp]=op1-op2;
break;
case MOMO_STACK_MUL:
op2=stack[sp--];
op1=stack[sp--];
stack[++sp]=op1*op2;
break;
case MOMO_STACK_DIV:
op2=stack[sp--];
op1=stack[sp--];
if (op2==0) return 0;
stack[++sp]=op1/op2;
break;
case MOMO_STACK_MOD:
op2=stack[sp--];
op1=stack[sp--];
if (op2==0) return 0;
stack[++sp]=op1%op2;
break;
case MOMO_STACK_CMP_EQ:
op2=stack[sp--];
op1=stack[sp--];
stack[++sp]=(op1==op2)?1:0;
break;
case MOMO_STACK_CMP_NE:
op2=stack[sp--];
op1=stack[sp--];
stack[++sp]=(op1!=op2)?1:0;
break;
case MOMO_STACK_CMP_GT:
op2=stack[sp--];
op1=stack[sp--];
stack[++sp]=(op1>op2)?1:0;
break;
case MOMO_STACK_CMP_LT:
op2=stack[sp--];
op1=stack[sp--];
stack[++sp]=(op1<op2)?1:0;
break;
case MOMO_STACK_CMP_GE:
op2=stack[sp--];
op1=stack[sp--];
stack[++sp]=(op1>=op2)?1:0;
break;
case MOMO_STACK_CMP_LE:
op2=stack[sp--];
op1=stack[sp--];
stack[++sp]=(op1<=op2)?1:0;
break;
case MOMO_STACK_CMP_AND:
op2=stack[sp--];
op1=stack[sp--];
stack[++sp]=(op1 && op2)?1:0;
break;
case MOMO_STACK_CMP_OR:
op2=stack[sp--];
op1=stack[sp--];
stack[++sp]=(op1 || op2)?1:0;
break;
case MOMO_STACK_TRUE:
op1=stack[sp--];
if (op1) return param;
break;
case MOMO_STACK_FALSE:
op1=stack[sp--];
if (!op1) return param;
break;
default:
return 0;
}
pc++;
}
return stack[sp];
}
unsigned char compileExprSub(const char** ptr, struct StackData* data, size_t* pc, size_t count) {
}
unsigned char compileExpr(const char* expr, struct StackData* data, size_t count) {
plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);
const char* ptr=expr;
size_t pc=0;
return compileExprSub(&ptr,data,&pc,count);
}
unsigned char domainsInsert(struct LocaleDomain* item) {
struct LocaleDomain** newDomains=malloc(sizeof(struct LocaleDomain*)*(domainsLen+1));
if (newDomains==NULL) return 0;
@ -376,7 +521,6 @@ const char* momo_gettext(const char* str) {
return str;
}
if (str==NULL) return NULL;
if ((*str)==0) return str;
// TODO: optimize
for (size_t i=curDomain->firstString[(unsigned char)(str[0])]; i<curDomain->stringCount; i++) {
if (strcmp(curDomain->stringPtr[i],str)==0) {

26
src/momo/stack.md Normal file
View file

@ -0,0 +1,26 @@
the following document describes the stack machine used to get the correct plural form in ngettext.
# instructions
```
op | description
---|--------------------
00 | exit
01 | push imm
02 | push N
03 | add
04 | sub
05 | mul
06 | div
07 | mod
08 | cmp eq
09 | cmp ne
0a | cmp gt
0b | cmp lt
0c | cmp ge
0d | cmp le
0e | cmp and
0f | cmp or
10 | true imm
11 | false imm
```