parser: support break and fix local decl
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@@ -33,7 +33,7 @@ void print_node(noomP_Node* node, noom_uint_t depth) {
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int main(int argc, char** argv) {
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// uhh uhhh uhhhhh
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const char* code = "while true do end";
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const char* code = "local a, b";
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noom_uint_t pos = 0;
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printf("LEX OUTPUT:\n");
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29
src/parser.c
29
src/parser.c
@@ -349,18 +349,27 @@ noomP_Node* noomP_parseRawStatement(noomP_Parser* parser) {
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if (token.type == NOOML_TOKEN_SYMBOL) {
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if (noom_streql(parser->code + token.offset, token.length, "=", 1)) {
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noomP_skip(parser, &token);
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// noomP_skip(parser, &token);
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break;
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} else if (noom_streql(parser->code + token.offset, token.length, ",", 1)) {
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noomP_skip(parser, &token);
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} else {
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return 0; // unexpected token
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break;
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}
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} else {
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return 0; // unexpected token
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break;
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}
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}
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noomP_peek(parser, &token);
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// local with no equals initializes to nil
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if (token.type != NOOML_TOKEN_SYMBOL) return localNode;
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if (!noom_streql(parser->code + token.offset, token.length, "=", 1)) {
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return localNode;
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}
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noomP_skip(parser, &token);
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// equals has already been eaten by loop (thank you loop)
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while (1) {
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@@ -490,7 +499,19 @@ noomP_Node* noomP_parseRawStatement(noomP_Parser* parser) {
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noomP_skip(parser, &token); // skip `end`
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return node;
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}
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} else if (noom_streql(parser->code + token.offset, token.length, "break", 5)) {
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noomP_skip(parser, &token); // skip `break`
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// uhh yeah that's it i guess? idk. maybe parsers should figure out what loop?
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// sounds like a thing for the compiler to bytecode though
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noomP_Node* node = noomP_allocNode(parser);
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if (node == 0) return 0;
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node->type = NOOMP_NODE_BREAK;
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node->source_offset = token.offset;
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return node;
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} else if (noom_streql(parser->code + token.offset, token.length, "break", 5)) {}
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}
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while (1) {
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@@ -10,6 +10,8 @@ typedef enum noomP_NodeType {
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NOOMP_NODE_IFSTATEMENT,
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NOOMP_NODE_WHILELOOP,
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NOOMP_NODE_BLOCK,
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NOOMP_NODE_BREAK,
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NOOMP_NODE_VARIABLE,
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NOOMP_NODE_NUMBERLITERAL,
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