Parser now parses blocks and simple calls.

11 files changed, 130 insertions, 157 deletions

diff --git a/src/include/parser.h b/src/include/parser.h
index a442d60..257189d 100644
--- a/src/include/parser.h
+++ b/src/include/parser.h
@@ -47,6 +47,8 @@ tree_t* parser_parse_init(parser_t* parser);
 /* Get tree for a block. */
 tree_t* parser_parse_block(parser_t* parser);
 
+tree_t* parser_parse_kwd(parser_t* parser);
+
 /* Get tree for an expression.*/
 tree_t* parser_parse_expr(parser_t* parser);
 
diff --git a/src/include/util.h b/src/include/util.h
index 567916c..08654fd 100644
--- a/src/include/util.h
+++ b/src/include/util.h
@@ -6,7 +6,7 @@
 #include <string.h>
 #include <stdio.h>
 
-/* Welcome to macro hell. */
+/* Welcome to macro Hell. */
 
 #define HIDE(x) do {x} while (0)
 
@@ -18,62 +18,94 @@
    fprintf(stderr, "%s:%s:%d: ", __FILE__, __func__, __LINE__); \
 )
 
+/* Call `f` on `x` if `x` exists. */
+#define EDO(f, x) HIDE(if (x) {f(x);})
+
 /* Log some debug information. */
-void log_dbg(const char*, ...);
-#define LOG_DBG(fmt, ...) HIDE( \
+#define LOG_DBGF(fmt, ...) HIDE( \
    fprintf(stderr, "\x1b[37m[\x1b[95;1m==\x1b[0m\x1b[37m]\x1b[0m\x1b[35m "); \
    LOG_FINF; \
    fprintf(stderr, fmt, ##__VA_ARGS__); \
    fprintf(stderr, "\x1b[0m\n"); \
 )
 
+#define LOG_DBG(body) HIDE( \
+   fprintf(stderr, "\x1b[37m[\x1b[95;1m==\x1b[0m\x1b[37m]\x1b[0m\x1b[35m "); \
+   LOG_FINF; \
+   fprintf(stderr, body); \
+   fprintf(stderr, "\x1b[0m\n"); \
+)
+
 /* c: */
-void log_yay(const char*, ...);
-#define LOG_YAY(fmt, ...) HIDE( \
+#define LOG_YAYF(fmt, ...) HIDE( \
    fprintf(stderr, "\x1b[37m[\x1b[92;1m==\x1b[0m\x1b[37m]\x1b[32m "); \
    LOG_FINF; \
    fprintf(stderr, fmt, ##__VA_ARGS__); \
    fprintf(stderr, "\x1b[0m\n"); \
 )
 
+#define LOG_YAY(body) HIDE( \
+   fprintf(stderr, "\x1b[37m[\x1b[92;1m==\x1b[0m\x1b[37m]\x1b[32m "); \
+   LOG_FINF; \
+   fprintf(stderr, body); \
+   fprintf(stderr, "\x1b[0m\n"); \
+)
+
 /* Log some information. */
-void log_inf(const char*, ...);
-#define LOG_INF(fmt, ...) HIDE( \
+#define LOG_INFF(fmt, ...) HIDE( \
    fprintf(stderr, "\x1b[37m[\x1b[94;1m==\x1b[0m\x1b[37m]\x1b[0m "); \
    fprintf(stderr, fmt, ##__VA_ARGS__); \
    fprintf(stderr, "\x1b[0m\n"); \
 )
 
+#define LOG_INF(body) HIDE( \
+   fprintf(stderr, "\x1b[37m[\x1b[94;1m==\x1b[0m\x1b[37m]\x1b[0m "); \
+   fprintf(stderr, body); \
+   fprintf(stderr, "\x1b[0m\n"); \
+)
+
 /* Log something with no formatting. */
-void log_raw(const char*, ...);
-#define LOG_RAW(fmt, ...) HIDE( \
+#define LOG_RAWF(fmt, ...) HIDE( \
    fprintf(stderr, fmt, ##__VA_ARGS__); \
 )
 
+#define LOG_RAW(body) HIDE( \
+   fprintf(stderr, body); \
+)
+
 /* Log a warning. */
-void log_war(const char*, ...);
-#define LOG_WAR(fmt, ...) HIDE( \
+#define LOG_WARF(fmt, ...) HIDE( \
    fprintf(stderr, "\x1b[37m[\x1b[93;1m==\x1b[0m\x1b[37m]\x1b[93;1m WARNING:\x1b[0m\x1b[33m "); \
    LOG_FINF; \
    fprintf(stderr, fmt, ##__VA_ARGS__); \
    fprintf(stderr, "\x1b[0m\n"); \
 )
 
+#define LOG_WAR(body) HIDE( \
+   fprintf(stderr, "\x1b[37m[\x1b[93;1m==\x1b[0m\x1b[37m]\x1b[93;1m WARNING:\x1b[0m\x1b[33m "); \
+   LOG_FINF; \
+   fprintf(stderr, body); \
+   fprintf(stderr, "\x1b[0m\n"); \
+)
+
 /* Log an error. */
-void log_err(const char*, ...);
-#define LOG_ERR(fmt, ...) HIDE( \
+#define LOG_ERRF(fmt, ...) HIDE( \
    fprintf(stderr, "\x1b[37m[\x1b[91;1m==\x1b[0m\x1b[37m]\x1b[91;1m ERROR:\x1b[0m\x1b[31m "); \
    LOG_FINF; \
    fprintf(stderr, fmt, ##__VA_ARGS__); \
    fprintf(stderr, "\x1b[0m\n"); \
 )
 
-/* Warn of soon™-to-be-removed functions. */
-#define WFDEPRECATED LOG_WAR("Use of this function is deprecated.")
+#define LOG_ERR(body) HIDE( \
+   fprintf(stderr, "\x1b[37m[\x1b[91;1m==\x1b[0m\x1b[37m]\x1b[91;1m ERROR:\x1b[0m\x1b[31m "); \
+   LOG_FINF; \
+   fprintf(stderr, body); \
+   fprintf(stderr, "\x1b[0m\n"); \
+)
 
 /* Die and leave message. */
 void die(const char*, ...);
-#define DIE(fmt, ...) HIDE( \
+#define DIEF(fmt, ...) HIDE( \
    fprintf(stderr, "\x1b[37m[\x1b[91;1m==\x1b[0m\x1b[37m]\x1b[91;1m CAUSE OF DEATH:\x1b[0m\x1b[31m "); \
    fprintf(stderr, fmt, ##__VA_ARGS__); \
    fprintf(stderr, "\x1b[0m\n"); \
@@ -81,6 +113,14 @@ void die(const char*, ...);
    exit(1); \
 )
 
+#define DIE(body) HIDE( \
+   fprintf(stderr, "\x1b[37m[\x1b[91;1m==\x1b[0m\x1b[37m]\x1b[91;1m CAUSE OF DEATH:\x1b[0m\x1b[31m "); \
+   fprintf(stderr, body); \
+   fprintf(stderr, "\x1b[0m\n"); \
+   fprintf(stderr, "\x1b[37m[\x1b[91;1m==\x1b[0m\x1b[37m]\x1b[91;1m Exiting...\x1b[0m\n"); \
+   exit(1); \
+)
+
 /* If `calloc()` returns null, die. */
 void* ecalloc(size_t, size_t);
 /* If `malloc()` returns null, die. */
diff --git a/src/lexer.c b/src/lexer.c
index a93828a..5094b00 100644
--- a/src/lexer.c
+++ b/src/lexer.c
@@ -144,7 +144,7 @@ void lexer_do_int(lexer_t* lexer) {
       lexer_add_current_char_to_last_token(lexer, TOKEN_TYPE_INT);
       ! isdigit(*(lexer->src + 1)) && ( lexer->state = LEXER_STATE_REG );
    } else {
-      log_err("int state at non-int token");
+      LOG_ERR("int state at non-int token");
    }
 }
 
@@ -154,7 +154,7 @@ void lexer_do_kwd(lexer_t* lexer) {
       ! strchr(SYNTAX_KWD_CHARS, *(lexer->src + 1)) && 
          ( lexer->state = LEXER_STATE_REG );
    } else {
-      log_err("keyword state at non-keyword token");
+      LOG_ERR("keyword state at non-keyword token");
    }
    
 }
diff --git a/src/main.c b/src/main.c
index 4a00951..2537233 100644
--- a/src/main.c
+++ b/src/main.c
@@ -10,28 +10,28 @@ int main(int argc, char* argv[]) {
 
    /* Get source. */
    src = source_get(argv[1]); 
-   log_inf("Source: %s", src);
+   LOG_INFF("Source: %s", src);
 
    /* Create pre-processor. */
    pp = pp_init(src);
-   log_dbg("Preprocessor created.");
+   LOG_DBG("Preprocessor created.");
 
    /* Pre-process source. */
    pp_run(pp);
    free(src);
    src = pp->psrc;
-   log_inf("pre-processed source: %s", pp->psrc);
+   LOG_INFF("pre-processed source: %s", pp->psrc);
    /* destroy pre-processor */
    pp_destroy(pp);
-   log_dbg("preprocessor ran");
+   LOG_DBG("preprocessor ran");
 
    /* create lexer */
    lexer = lexer_init(src);
-   log_dbg("lexer created");
+   LOG_DBG("lexer created");
 
    /* run lexer */
    lexer_run(lexer);
-   log_dbg("lexer ran");
+   LOG_DBG("lexer ran");
 
    /* Print the lexer's tokens. */
    token_print(lexer->tokenl);
diff --git a/src/parser.c b/src/parser.c
index 9da3da0..f7ababe 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -28,9 +28,10 @@ int parser_nxt_token(parser_t* parser) {
 
 tree_t* parser_parse_init(parser_t* parser) {
    /* There is nothing to do. */
-   if (!parser->token || parser->token->type == TOKEN_TYPE_RBLOCK) {
+   if (!parser->token) {
       return NULL;
    } 
+
    tree_t* block;
    block = tree_init(TREE_TYPE_BLOCK);
 
@@ -46,14 +47,13 @@ tree_t* parser_parse_block(parser_t* parser) {
       (void) parser_nxt_token(parser); /* Skip over closing bracket. */
       return NULL;
    } 
+
    tree_t* block;
    block = tree_init(TREE_TYPE_BLOCK);
 
    block->data.block.val = parser_parse_expr(parser);
    block->data.block.nxt = parser_parse_block(parser);
 
-   parser_nxt_token(parser);  /* Skip over semicolon. */
-
    return block;
 }
 
@@ -68,20 +68,53 @@ tree_t* parser_parse_expr(parser_t* parser) {
          expr = parser_parse_lstr(parser);
          break;
       case TOKEN_TYPE_LBLOCK:
+         /* TODO: Move this into parser_parse_block, parser_parse_init exists now. */
          parser_nxt_token(parser);  /* Skip over opening curly bracket. */
          expr = parser_parse_block(parser);
          break;
+      case TOKEN_TYPE_KWD:
+         expr = parser_parse_kwd(parser);
+         break;
       default:
-         log_war("%s: Unknown token type: %d", __func__, parser->token->type);
+         LOG_WARF("%s: Unknown token type: %d", __func__, parser->token->type);
          parser_nxt_token(parser);
    }
 
    return expr;
 }
 
+tree_t* parser_parse_carg(parser_t* parser) {
+   tree_t* carg;
+
+   carg = tree_init(TREE_TYPE_CARG); 
+
+   carg->data.carg.val = parser_parse_expr(parser);
+
+   carg->data.carg.nxt = NULL;
+
+   return carg;
+}
+
+tree_t* parser_parse_kwd(parser_t* parser) {
+   tree_t* call;
+
+   call = tree_init(TREE_TYPE_CALL);
+
+   call->data.call.target = parser->token->val;
+   parser->token->val = NULL;
+   
+   if (parser_nxt_token_match(parser, TOKEN_TYPE_APPLY)) {
+      call->data.call.arg = parser_parse_carg(parser);
+   } else {
+      call->data.call.arg = NULL;
+   }
+
+   return call;
+}
+
 /* I don't know if these need to exist. Guess I'll wait and see… */
 int parser_match(parser_t* parser, token_type_t type) {
-   return parser->token->type == type;
+   return parser->token ? parser->token->type == type : 0;
 }
 
 int parser_nxt_token_match(parser_t* parser, token_type_t type) {
@@ -140,7 +173,7 @@ tree_t* parser_parse_darg(parser_t* parser) {
 
    darg->data.darg.tag = parser_parse_tag(parser);
 
-   log_war("%d", parser->token->type);
+   LOG_WARF("%d", parser->token->type);
 
    if (parser->token->type != TOKEN_TYPE_LIST_DELIM) {
       darg->data.darg.nxt = NULL;
@@ -169,22 +202,6 @@ tree_t* parser_parse_def(parser_t* parser) {
    return def;
 }
 
-tree_t* parser_parse_carg(parser_t* parser) {
-   tree_t* carg;
-
-   carg = tree_init(TREE_TYPE_CARG);
-
-   carg->data.carg.val = parser_parse_expr(parser);
-   carg->data.carg.nxt = (
-      parser_nxt_token_match(parser, TOKEN_TYPE_LIST_DELIM) && 
-      parser_nxt_token(parser) 
-   ) ? 
-      parser_parse_carg(parser) : 
-      NULL;
-
-   return carg;
-}
-
 tree_t* parser_parse_call(parser_t* parser) {
    tree_t* call;
 
diff --git a/src/pp.c b/src/pp.c
index db37118..bb77e0f 100644
--- a/src/pp.c
+++ b/src/pp.c
@@ -19,11 +19,11 @@ void pp_destroy(pp_t* pp) {
 }
 
 void pp_cpy_char(pp_t* pp) {
-   int plen = strlen(pp->psrc);
-   pp->psrc = erealloc(pp->psrc, (plen + 2) * sizeof(char));
+   int psize = strlen(pp->psrc);
+   pp->psrc = erealloc(pp->psrc, (psize + 2) * sizeof(char));
 
-   pp->psrc[plen] = *pp->src;
-   pp->psrc[plen + 1] = '\0';
+   pp->psrc[psize] = *pp->src;
+   pp->psrc[psize + 1] = '\0';
 }
 
 void pp_do_reg(pp_t* pp) {
diff --git a/src/source.c b/src/source.c
index 813e9f5..bf6655c 100644
--- a/src/source.c
+++ b/src/source.c
@@ -12,7 +12,7 @@ char* source_get_from_fpath(char* path) {
    char* src;
 
    f = fopen(path, "rb");
-   if (!f) { die("source file not found: %s", path); }
+   if (!f) { DIEF("source file not found: %s", path); }
 
    fseek(f, 0L, SEEK_END);
    f_size = ftell(f);
@@ -23,7 +23,7 @@ char* source_get_from_fpath(char* path) {
    if ((fread(src, f_size, 1, f) != 1) || !src) {
       fclose(f);
       free(src);
-      die("could not read source file: %s", path);
+      DIEF("could not read source file: %s", path);
    }
 
    return src;
@@ -34,16 +34,21 @@ char* source_get_from_stdin() {
    char* src;
    size_t l;
 
+#if 0
    l = 0;
 
    src = ecalloc(16, sizeof(char));
 
    while ((s = fgets(src + l, 20, stdin))) {
-      l = MIN(16, l + strlen(src + l));
+      l = MIN(15, l + strlen(src + l));
    }
 
    /* This works, I guess. */
    s && src[l - 1] == '\n' && (src[l - 1] = '\0');
+#endif
 
-   return src;
+   src = ecalloc(256, sizeof(char));
+   fgets(src, 256, stdin);
+
+   return src; 
 }
diff --git a/src/stack.c b/src/stack.c
index 5c4d0ca..1d8a6fa 100644
--- a/src/stack.c
+++ b/src/stack.c
@@ -31,8 +31,8 @@ size_t stack_len(stack_t* stack) {
 }
 
 void stack_print(stack_t* stack) {
-   log_inf("stack_print(): %p", stack);
+   LOG_INFF("stack_print(): %p", stack);
    for (int i = stack_len(stack) - 1; i >= 0; --i) {
-      log_inf("%d: %p", i, stack[i]);
+      LOG_INFF("%d: %p", i, stack[i]);
    }
 }
diff --git a/src/token.c b/src/token.c
index 3479a86..6ae0eae 100644
--- a/src/token.c
+++ b/src/token.c
@@ -49,7 +49,7 @@ void token_add_char(token_t* token, char c) {
 
 void token_print(token_t* token) {
    if (!token) { return; }
-   log_dbg("token/t=%d\t/v=%s", token->type, token->val); 
+   LOG_DBGF("token/t=%d\t/v=%s", token->type, token->val); 
    if (token->nxt) {
       token_print(token->nxt);
    }
diff --git a/src/tree.c b/src/tree.c
index 8398598..58fba36 100644
--- a/src/tree.c
+++ b/src/tree.c
@@ -131,7 +131,7 @@ int tree_cmp(tree_t* tree_0, tree_t* tree_1) {
             tree_cmp(tree_0->data.call.arg, tree_1->data.call.arg);
          break;
       default:
-         log_war("Unknown tree type.");
+         LOG_WAR("Unknown tree type.");
    }
 
    return 0;
@@ -152,13 +152,13 @@ void tree_print(tree_t* tree, int nest) {
    ;bc=malloc(11*sizeof(char));sprintf(c,
    "\x1b[%dm",nc);sprintf(bc,"\x1b[%d;1m"
    ,nc);NULL;NULL;0x0;0;0;0;0;NULL;0x0;0;
-   #define NEST0(T)log_raw("%s%s"T"\x1b"\
+   #define NEST0(T)LOG_RAWF("%s%s"T"\x1b"\
    """""""""""""""""""""""""[0m\n",bc,sp)
-   #define NEST1(T)log_raw("%s%s"T"\x1b"\
+   #define NEST1(T)LOG_RAWF("%s%s"T"\x1b"\
    """""""""""""""""""""""""[0m\n",c,sp);
-   #define NEST2(T)log_raw("%s \x1b[39;"\
+   #define NEST2(T)LOG_RAWF("%s \x1b[39;"\
    """""""""""""""49;4m%s\x1b[0m\n",sp,T)
-   #define NEST3(T)log_raw("%s \x1b[39;"\
+   #define NEST3(T)LOG_RAWF("%s \x1b[39;"\
    """""""""""""""49;4m%d\x1b[0m\n",sp,T)
    if (!tree) { NEST2("NULL"); goto end;}
    switch (tree->type) {
@@ -224,7 +224,7 @@ void tree_print(tree_t* tree, int nest) {
             tree_print(tree->data.darg.nxt, nest + 1);
          break;
       default:
-         log_err("%d", __LINE__);
+         LOG_ERRF("%d", __LINE__);
    }
 
    end:
diff --git a/src/util.c b/src/util.c
index b2a8b07..33554a9 100644
--- a/src/util.c
+++ b/src/util.c
@@ -1,100 +1,9 @@
 #include "include/util.h"
 
-void log_dbg(const char* fmt, ...) {
-   WFDEPRECATED;
-   va_list ap;
-
-   fprintf(stdout, "");
-   fprintf(stderr, "\x1b[37m[\x1b[95;1m==\x1b[0m\x1b[37m]\x1b[0m\x1b[35m ");
-
-   va_start(ap, fmt);
-   vfprintf(stdout, fmt, ap);
-   va_end(ap);
-
-   fprintf(stdout, "\e[0m\n");
-}
-
-void log_yay(const char* fmt, ...) {
-   WFDEPRECATED;
-   va_list ap;
-
-   fprintf(stdout, "\x1b[37m[\x1b[92;1m==\x1b[0m\x1b[37m]\x1b[32m ");
-
-   va_start(ap, fmt);
-   vfprintf(stdout, fmt, ap);
-   va_end(ap);
-
-   fprintf(stdout, "\x1b[0m\n");
-}
-
-void log_inf(const char* fmt, ...) {
-   WFDEPRECATED;
-   va_list ap;
-
-   fprintf(stderr, "\x1b[37m[\x1b[94;1m==\x1b[0m\x1b[37m]\x1b[0m ");
-
-   va_start(ap, fmt);
-   vfprintf(stdout, fmt, ap);
-   va_end(ap);
-
-   fprintf(stdout, "\n");
-}
-
-void log_raw(const char* fmt, ...) {
-   WFDEPRECATED;
-   va_list ap;
-
-   va_start(ap, fmt);
-   vfprintf(stdout, fmt, ap);
-   va_end(ap);
-}
-
-void log_war(const char* fmt, ...) {
-   WFDEPRECATED;
-   va_list ap;
-
-   fprintf(stderr, "\x1b[37m[\x1b[93;1m==\x1b[0m\x1b[37m]\x1b[93;1m WARNING:\x1b[0m\x1b[33m ");
-
-   va_start(ap, fmt);
-   vfprintf(stderr, fmt, ap);
-   va_end(ap);
-
-   fprintf(stderr, "\n");
-}
-
-void log_err(const char* fmt, ...) {
-   WFDEPRECATED;
-   va_list ap;
-
-   fprintf(stderr, "\x1b[37m[\x1b[91;1m==\x1b[0m\x1b[37m]\x1b[91;1m ERROR:\x1b[0m\x1b[31m ");
-
-   va_start(ap, fmt);
-   vfprintf(stderr, fmt, ap);
-   va_end(ap);
-
-   fprintf(stderr, "\x1b[0m\n");
-}
-
-void die(const char* fmt, ...) {
-   WFDEPRECATED;
-   va_list ap;
-
-   fprintf(stderr, "\x1b[37m[\x1b[91;1m==\x1b[0m\x1b[37m]\x1b[91;1m CAUSE OF DEATH:\x1b[0m\x1b[31m ");
-
-   va_start(ap, fmt);
-   vfprintf(stderr, fmt, ap);
-   va_end(ap);
-   fprintf(stderr, "\x1b[0m\n");
-
-   fprintf(stderr, "\x1b[37m[\x1b[91;1m==\x1b[0m\x1b[37m]\x1b[91;1m Exiting...\x1b[0m\n");
-
-   exit(1);
-}
-
 void* ecalloc(size_t nmemb, size_t size) {
    void* p;
 
-   if (! (p = calloc(nmemb, size))) { die("failed to calloc:"); }
+   if (! (p = calloc(nmemb, size))) { DIE("Failed to calloc:"); }
 
    return p;
 }
@@ -102,7 +11,7 @@ void* ecalloc(size_t nmemb, size_t size) {
 void* emalloc(size_t size) {
    void* p;
 
-   if (! (p = malloc(size))) { die("failed to malloc:"); }
+   if (! (p = malloc(size))) { DIE("Failed to malloc:"); }
 
    return p;
 }
@@ -110,7 +19,7 @@ void* emalloc(size_t size) {
 void* erealloc(void* dest, size_t size) {
    void* p;
 
-   if (! (p = realloc(dest, size))) { die("failed to realloc:"); }
+   if (! (p = realloc(dest, size))) { DIE("Failed to realloc:"); }
 
    return p;
 }