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-rw-r--r--core/parser.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/core/parser.c b/core/parser.c
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+++ b/core/parser.c
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+/*
+ * Copyright (c) 2026, Chloe M.
+ * Provided under the BSD-3 clause
+ */
+
+#include <stdint.h>
+#include <errno.h>
+#include "cescal/log.h"
+#include "cescal/parser.h"
+#include "cescal/state.h"
+#include "cescal/lexer.h"
+
+/* Symbolic token */
+#define symtok(tok) \
+ "[" tok "]"
+
+/* Quoted token */
+#define qtok(tok) \
+ "'" tok "'"
+
+/* Convert token to string */
+#define tokstr1(tt) \
+ toktab[(tt)]
+
+/* Convert token to string */
+#define tokstr(tok) \
+ toktab[(tok)->type]
+
+/*
+ * Converts numeric tokens into human readable strings
+ */
+static const char *toktab[] = {
+ [TT_NONE] = symtok("none"),
+ [TT_IDENT] = symtok("ident"),
+ [TT_INTLIT] = symtok("number"),
+ [TT_LPAREN] = qtok("("),
+ [TT_RPAREN] = qtok(")"),
+ [TT_COMMA] = qtok(","),
+ [TT_RETURN] = qtok("return"),
+ [TT_PUB] = qtok("pub"),
+ [TT_PROC] = qtok("proc"),
+ [TT_BEGIN] = qtok("begin"),
+ [TT_END] = qtok("end")
+};
+
+int
+parser_parse(struct cescal_state *state)
+{
+ struct token tok;
+
+ if (state == NULL) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ while (lexer_nom(state, &tok) == 0) {
+ cc_trace("got token %s\n", tokstr(&tok));
+ }
+
+ return 0;
+}