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Implemented print keyword and associated tests

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This commit is contained in:
Kayne Ruse
2024-10-07 12:13:06 +11:00
parent 956ebbeb28
commit ff13b5cf38
16 changed files with 346 additions and 60 deletions
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58
source/toy_vm.c
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@@ -1,6 +1,7 @@
#include "toy_vm.h"
#include "toy_console_colors.h"
#include "toy_print.h"
#include "toy_opcodes.h"
#include "toy_value.h"
@@ -235,15 +236,55 @@ static void processLogical(Toy_VM* vm, Toy_OpcodeType opcode) {
}
}
static void processPrint(Toy_VM* vm) {
//print the value on top of the stack, popping it
Toy_Value value = Toy_popStack(&vm->stack);
//NOTE: don't append a newline - leave that choice to the host
switch(value.type) {
case TOY_VALUE_NULL:
Toy_print("null");
break;
case TOY_VALUE_BOOLEAN:
Toy_print(TOY_VALUE_AS_BOOLEAN(value) ? "true" : "false");
break;
case TOY_VALUE_INTEGER: {
char buffer[16];
sprintf(buffer, "%d", TOY_VALUE_AS_INTEGER(value));
Toy_print(buffer);
break;
}
case TOY_VALUE_FLOAT: {
char buffer[16];
sprintf(buffer, "%f", TOY_VALUE_AS_FLOAT(value));
Toy_print(buffer);
break;
}
case TOY_VALUE_STRING: //TODO: decide on how long strings, etc. live for in memory
case TOY_VALUE_ARRAY:
case TOY_VALUE_DICTIONARY:
case TOY_VALUE_FUNCTION:
case TOY_VALUE_OPAQUE:
fprintf(stderr, TOY_CC_ERROR "ERROR: Unknown value type %d passed to processPrint, exiting\n" TOY_CC_RESET, value.type);
exit(-1);
}
}
static void process(Toy_VM* vm) {
while(true) {
Toy_OpcodeType opcode = READ_BYTE(vm);
switch(opcode) {
//variable instructions
case TOY_OPCODE_READ:
processRead(vm);
break;
//arithmetic instructions
case TOY_OPCODE_ADD:
case TOY_OPCODE_SUBTRACT:
case TOY_OPCODE_MULTIPLY:
@@ -252,6 +293,7 @@ static void process(Toy_VM* vm) {
processArithmetic(vm, opcode);
break;
//comparison instructions
case TOY_OPCODE_COMPARE_EQUAL:
case TOY_OPCODE_COMPARE_LESS:
case TOY_OPCODE_COMPARE_LESS_EQUAL:
@@ -260,6 +302,7 @@ static void process(Toy_VM* vm) {
processComparison(vm, opcode);
break;
//logical instructions
case TOY_OPCODE_AND:
case TOY_OPCODE_OR:
case TOY_OPCODE_TRUTHY:
@@ -267,6 +310,17 @@ static void process(Toy_VM* vm) {
processLogical(vm, opcode);
break;
//control instructions
case TOY_OPCODE_RETURN:
//temp terminator
return;
//various action instructions
case TOY_OPCODE_PRINT:
processPrint(vm);
break;
//not yet implemented
case TOY_OPCODE_LOAD:
case TOY_OPCODE_LOAD_LONG:
case TOY_OPCODE_DECLARE:
@@ -277,10 +331,6 @@ static void process(Toy_VM* vm) {
case TOY_OPCODE_EOF:
fprintf(stderr, TOY_CC_ERROR "ERROR: Invalid opcode %d found, exiting\n" TOY_CC_RESET, opcode);
exit(-1);
case TOY_OPCODE_RETURN: //temp terminator, temp position
//
return;
}
//prepare for the next instruction