Keep working on structs

This commit is contained in:
2026-07-05 18:01:09 +10:00
parent 338241519e
commit 05733c693c
9 changed files with 187 additions and 59 deletions

View File

@@ -13,7 +13,7 @@ static inline void doLabels(GroundProgram* program, GroundState* state) {
if (label == NULL) {
label = malloc(sizeof(GroundLabel));
if (label == NULL) {
Ground.Log.Error("malloc failed in Ground.Internal.run()");
Ground.Log.Error("malloc failed in Ground.New.Bytecode -> doLabels");
Ground.Flags.error = true;
return;
}
@@ -33,7 +33,7 @@ static inline void doLabels(GroundProgram* program, GroundState* state) {
GroundSize* line = Ground.State.findLabel(state, arg->as.ref->string);
if (line == NULL) {
char buf[2048];
snprintf(buf, 2047, "couldn't find label '%s' (instruction JUMP at %zu) in Ground.Internal.Run()", arg->as.ref->string, i);
snprintf(buf, 2047, "couldn't find label '%s' (instruction JUMP at %zu) in Ground.New.Bytecode -> doLabels", arg->as.ref->string, i);
Ground.Log.Error(buf);
Ground.Flags.error = true;
return;
@@ -46,7 +46,7 @@ static inline void doLabels(GroundProgram* program, GroundState* state) {
GroundSize* line = Ground.State.findLabel(state, arg->as.ref->string);
if (line == NULL) {
char buf[2048];
snprintf(buf, 2047, "couldn't find label '%s' (instruction IF at %zu) in Ground.Internal.Run()", arg->as.ref->string, i);
snprintf(buf, 2047, "couldn't find label '%s' (instruction IF at %zu) in Ground.New.Bytecode -> doLabels", arg->as.ref->string, i);
Ground.Log.Error(buf);
Ground.Flags.error = true;
return;
@@ -59,7 +59,7 @@ static inline void doLabels(GroundProgram* program, GroundState* state) {
GroundSize* line = Ground.State.findLabel(state, arg->as.ref->string);
if (line == NULL) {
char buf[2048];
snprintf(buf, 2047, "couldn't find label '%s' (instruction CATCH at %zu) in Ground.Internal.Run()", arg->as.ref->string, i);
snprintf(buf, 2047, "couldn't find label '%s' (instruction CATCH at %zu) in Ground.New.Bytecode -> doLabels", arg->as.ref->string, i);
Ground.Log.Error(buf);
Ground.Flags.error = true;
return;
@@ -85,6 +85,92 @@ static inline GroundSize doOffsets(GroundProgram* gp, GroundState* state, Ground
}
for (GroundSize i = 0; i < gp->len; i++) {
// Handle instructions which deal with struct fields
switch (gp->at[i].type) {
case GroundInstruction_STRUCT: {
GroundInstruction* inst = &gp->at[i];
GroundVariable* gsv = NULL;
HASH_FIND_STR(state->variables, inst->args.at[0].as.ref->string, gsv);
if (gsv == NULL) {
Ground.Log.Error("unexpected null variable in Ground.New.Bytecode -> doOffsets");
Ground.Flags.error = true;
return 0;
}
if (gsv->value.type.type != GroundType_Struct) {
Ground.Log.Error("unexpected null variable in Ground.New.Bytecode -> doOffsets");
Ground.Flags.error = true;
return 0;
}
GroundStruct* gs = &gsv->value.as.Struct;
// Set offset for each struct field
GroundObjectField *s, *tmp;
GroundSize i = 0;
HASH_ITER(hh, gs->fields, s, tmp) {
s->offset = i++;
}
// Now go through and add offsets to everything
for (GroundSize j = 0; j < inst->args.len; j++) {
// struct field name
GroundArg* arg = &inst->args.at[j];
GroundObjectField* field = NULL;
HASH_FIND_STR(state->variables, arg->as.ref->string, field);
if (field == NULL) {
Ground.Log.Error("unexpected null struct field in Ground.New.Bytecode -> doOffsets");
Ground.Flags.error = true;
return 0;
}
arg->_offset = field->offset;
// 2nd arg offset is already set, but what we do next depends on it
j++;
// 0 -> none
// 1 -> init
// 2 -> set
// 3 -> attach closure to function
switch (inst->args.at[j]._offset) {
case 0: case 3: break; // these do not require extra values
case 1: // but these do, so we process them
case 2: { // it's safe to assume that literals will have
j++; // been dealt with accordingly
arg = &inst->args.at[j];
GroundVariable* item = NULL;
HASH_FIND_STR(state->variables, arg->as.ref->string, item);
if (item == NULL) {
item = malloc(sizeof(GroundVariable));
if (item == NULL) {
Ground.Log.Error("malloc failed in Ground.New.Bytecode -> doOffsets");
Ground.Flags.error = true;
return 0;
}
item->value = Ground.New.Value.Int(0);
strncpy(item->name, arg->as.ref->string, 2047);
item->_offset = size++;
HASH_ADD_STR(state->variables, name, item);
}
arg->_offset = item->_offset;
}
}
}
continue;
}
case GroundInstruction_GETFIELD: {
continue;
}
case GroundInstruction_SETFIELD: {
continue;
}
case GroundInstruction_CALLMETHOD: {
continue;
}
default: break;
}
for (GroundSize j = 0; j < gp->at[i].args.len; j++) {
GroundArg* arg = &gp->at[i].args.at[j];
@@ -96,7 +182,7 @@ static inline GroundSize doOffsets(GroundProgram* gp, GroundState* state, Ground
if (arg->type == GroundArg_Value) {
GroundVariable* item = malloc(sizeof(GroundVariable));
if (item == NULL) {
Ground.Log.Error("malloc failed in Ground.Internal.run()");
Ground.Log.Error("malloc failed in Ground.New.Bytecode -> doOffsets");
Ground.Flags.error = true;
return 0;
}
@@ -115,7 +201,7 @@ static inline GroundSize doOffsets(GroundProgram* gp, GroundState* state, Ground
if (item == NULL) {
item = malloc(sizeof(GroundVariable));
if (item == NULL) {
Ground.Log.Error("malloc failed in Ground.Internal.run()");
Ground.Log.Error("malloc failed in Ground.New.Bytecode -> doOffsets");
Ground.Flags.error = true;
return 0;
}
@@ -137,7 +223,7 @@ static inline GroundSize doOffsets(GroundProgram* gp, GroundState* state, Ground
};
if (inst.args.at == NULL) {
Ground.Log.Error("malloc failed in Ground.Internal.run()");
Ground.Log.Error("malloc failed in Ground.New.Bytecode -> doOffsets");
Ground.Flags.error = true;
return 0;
}