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Maxwell
2025-11-28 09:23:43 +11:00
parent 99e93bdfb8
commit 0b917a6702
3 changed files with 213 additions and 23 deletions
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150
src/interpreter.c
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@@ -136,6 +136,13 @@ void interpretGroundInstruction(GroundInstruction inst, GroundScope* scope) {
case CREATELABEL: {
break;
}
/*
* CONTROL FLOW
* These instructions are for controlling how the program is executed.
* Instructions:
* if, jump, end
*/
case IF: {
if (in->args.length < 2) {
runtimeError(TOO_FEW_ARGS, "Expecting 2 arguments", in, currentInstruction);
@@ -187,6 +194,13 @@ void interpretGroundInstruction(GroundInstruction inst, GroundScope* scope) {
}
break;
}
/*
* I/O
* These instructions take information from the user, and print it out.
* Instructions:
* print, println, input
*/
case PRINT: {
if (in->args.length < 1) {
runtimeError(TOO_FEW_ARGS, "Expecting 1 or more args", in, currentInstruction);
@@ -225,6 +239,14 @@ void interpretGroundInstruction(GroundInstruction inst, GroundScope* scope) {
break;
}
/*
* VARIABLES AND LISTS
* These instructions are for initializing variables and lists.
* Instructions:
* set, gettype, exists
* WIP Instructions:
* setlist, setlistat, getlistat, getlistsize, listappend
*/
case SET: {
if (in->args.length < 2) {
runtimeError(TOO_FEW_ARGS, "Expecting 2 args", in, currentInstruction);
@@ -242,7 +264,82 @@ void interpretGroundInstruction(GroundInstruction inst, GroundScope* scope) {
addVariable(scope->variables, in->args.args[0].value.refName, in->args.args[1].value.value);
break;
}
case GETTYPE: {
if (in->args.length < 2) {
runtimeError(TOO_FEW_ARGS, "Expecting 2 args", in, currentInstruction);
}
if (in->args.length > 2) {
runtimeError(TOO_MANY_ARGS, "Expecting 2 args", in, currentInstruction);
}
if (in->args.args[0].type != VALUE) {
runtimeError(ARG_TYPE_MISMATCH, "Expecting a Value for arg 1", in, currentInstruction);
}
if (in->args.args[1].type != DIRREF) {
runtimeError(ARG_TYPE_MISMATCH, "Expecting a DirectRef for arg 2", in, currentInstruction);
}
switch (in->args.args[0].value.value.type) {
case INT: {
addVariable(scope->variables, in->args.args[1].value.refName, createStringGroundValue("int"));
break;
}
case DOUBLE: {
addVariable(scope->variables, in->args.args[1].value.refName, createStringGroundValue("double"));
break;
}
case STRING: {
addVariable(scope->variables, in->args.args[1].value.refName, createStringGroundValue("string"));
break;
}
case CHAR: {
addVariable(scope->variables, in->args.args[1].value.refName, createStringGroundValue("char"));
break;
}
case BOOL: {
addVariable(scope->variables, in->args.args[1].value.refName, createStringGroundValue("bool"));
break;
}
case LIST: {
addVariable(scope->variables, in->args.args[1].value.refName, createStringGroundValue("list"));
break;
}
case CUSTOM: {
addVariable(scope->variables, in->args.args[1].value.refName, createStringGroundValue("custom"));
break;
}
}
break;
}
case EXISTS: {
if (in->args.length < 2) {
runtimeError(TOO_FEW_ARGS, "Expecting 2 args", in, currentInstruction);
}
if (in->args.length > 2) {
runtimeError(TOO_MANY_ARGS, "Expecting 2 args", in, currentInstruction);
}
if (in->args.args[0].type != DIRREF) {
runtimeError(ARG_TYPE_MISMATCH, "Expecting a DirectRef for arg 1", in, currentInstruction);
}
if (in->args.args[0].type != DIRREF) {
runtimeError(ARG_TYPE_MISMATCH, "Expecting a DirectRef for arg 2", in, currentInstruction);
}
if (findVariable(*scope->variables, in->args.args[0].value.refName)) {
addVariable(scope->variables, in->args.args[1].value.refName, createBoolGroundValue(true));
} else {
addVariable(scope->variables, in->args.args[1].value.refName, createBoolGroundValue(false));
}
break;
}
/*
* MATHS
* These instructions allow running mathematical operations on values.
* Instructions:
* add, subtract, multiply, divide
*/
case ADD: {
if (in->args.length < 3) {
runtimeError(TOO_FEW_ARGS, "Expecting 3 args", in, currentInstruction);
@@ -427,6 +524,10 @@ void interpretGroundInstruction(GroundInstruction inst, GroundScope* scope) {
if (right->type != INT && right->type != DOUBLE) {
runtimeError(ARG_TYPE_MISMATCH, "Expecting an Int or Double for arg 2", in, currentInstruction);
}
if (right->type == INT && right->data.intVal == 0) {
}
if (left->type == DOUBLE || right->type == DOUBLE) {
double result = 0;
@@ -453,6 +554,13 @@ void interpretGroundInstruction(GroundInstruction inst, GroundScope* scope) {
}
break;
}
/*
* COMPARISONS
* Allows comparing values.
* Instructions:
* equal, inequal, not, greater, lesser
*/
case EQUAL: {
if (in->args.length < 3) {
runtimeError(TOO_FEW_ARGS, "Expecting 3 args", in, currentInstruction);
@@ -583,6 +691,27 @@ void interpretGroundInstruction(GroundInstruction inst, GroundScope* scope) {
}
break;
}
case NOT: {
if (in->args.length < 2) {
runtimeError(TOO_FEW_ARGS, "Expecting 2 args", in, currentInstruction);
}
if (in->args.length > 2) {
runtimeError(TOO_MANY_ARGS, "Expecting 2 args", in, currentInstruction);
}
if (in->args.args[0].type != VALUE && in->args.args[0].value.value.type != BOOL) {
runtimeError(ARG_TYPE_MISMATCH, "Expecting a Bool for arg 1", in, currentInstruction);
}
if (in->args.args[1].type != DIRREF) {
runtimeError(ARG_TYPE_MISMATCH, "Expecting a DirectRef for arg 2", in, currentInstruction);
}
bool condition = !in->args.args[1].value.value.data.boolVal;
addVariable(scope->variables, in->args.args[1].value.refName, createBoolGroundValue(condition));
}
default: {
runtimeError(FIXME, "Currently unimplemented instruction", in, currentInstruction);
}
case GREATER: {
if (in->args.length < 3) {
runtimeError(TOO_FEW_ARGS, "Expecting 3 args", in, currentInstruction);
@@ -695,27 +824,6 @@ void interpretGroundInstruction(GroundInstruction inst, GroundScope* scope) {
}
break;
}
case NOT: {
if (in->args.length < 2) {
runtimeError(TOO_FEW_ARGS, "Expecting 2 args", in, currentInstruction);
}
if (in->args.length > 2) {
runtimeError(TOO_MANY_ARGS, "Expecting 2 args", in, currentInstruction);
}
if (in->args.args[0].type != VALUE && in->args.args[0].value.value.type != BOOL) {
runtimeError(ARG_TYPE_MISMATCH, "Expecting a Bool for arg 1", in, currentInstruction);
}
if (in->args.args[1].type != DIRREF) {
runtimeError(ARG_TYPE_MISMATCH, "Expecting a DirectRef for arg 2", in, currentInstruction);
}
bool condition = !in->args.args[1].value.value.data.boolVal;
addVariable(scope->variables, in->args.args[1].value.refName, createBoolGroundValue(condition));
}
default: {
runtimeError(FIXME, "Currently unimplemented instruction", in, currentInstruction);
}
}
freeGroundInstruction(in);