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Added scopes using '{}' symbols, read more

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I've also added a new literal type called 'identifier'. This will be
used for variable names, and has a type mask embedded in it.
This commit is contained in:
Kayne Ruse
2022-08-08 15:02:12 +01:00
parent 08ce270e06
commit 6d5549fc8e
15 changed files with 335 additions and 68 deletions
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48
source/node.c
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@@ -3,6 +3,7 @@
#include "memory.h"
#include <stdio.h>
#include <stdlib.h>
void freeNode(Node* node) {
//don't free a NULL node
@@ -13,24 +14,30 @@ void freeNode(Node* node) {
switch(node->type) {
case NODE_ERROR:
//NO-OP
break;
break;
case NODE_LITERAL:
freeLiteral(node->atomic.literal);
break;
break;
case NODE_UNARY:
freeNode(node->unary.child);
break;
break;
case NODE_BINARY:
freeNode(node->binary.left);
freeNode(node->binary.right);
break;
break;
case NODE_GROUPING:
freeNode(node->grouping.child);
break;
break;
case NODE_BLOCK:
for (int i = 0; i < node->block.count; i++) {
freeNode(node->block.nodes + i);
}
break;
}
FREE(Node, node);
@@ -73,6 +80,17 @@ void emitNodeGrouping(Node** nodeHandle) {
*nodeHandle = tmp;
}
void emitNodeBlock(Node** nodeHandle) {
Node* tmp = ALLOCATE(Node, 1);
tmp->type = NODE_BLOCK;
tmp->block.nodes = NULL;
tmp->block.capacity = 0;
tmp->block.count = 0;
*nodeHandle = tmp;
}
void printNode(Node* node) {
if (node == NULL) {
return;
@@ -81,17 +99,17 @@ void printNode(Node* node) {
switch(node->type) {
case NODE_ERROR:
printf("error");
break;
break;
case NODE_LITERAL:
printf("literal:");
printLiteral(node->atomic.literal);
break;
break;
case NODE_UNARY:
printf("unary:");
printNode(node->unary.child);
break;
break;
case NODE_BINARY:
printf("binary-left:");
@@ -99,12 +117,22 @@ void printNode(Node* node) {
printf(";binary-right:");
printNode(node->binary.right);
printf(";");
break;
break;
case NODE_GROUPING:
printf("(");
printNode(node->grouping.child);
printf(")");
break;
break;
case NODE_BLOCK:
printf("{\n");
for (int i = 0; i < node->block.count; i++) {
printNode(&(node->block.nodes[i]));
}
printf("}\n");
break;
}
}