np: Add signed integer types

Signed-off-by: Ian Moffett <ian@osmora.org>

3 files changed, 39 insertions, 0 deletions

diff --git a/src/sys/include/np/lex.h b/src/sys/include/np/lex.h
index a11de58..0edf262 100644
--- a/src/sys/include/np/lex.h
+++ b/src/sys/include/np/lex.h
@@ -44,6 +44,10 @@ struct np_work;
 #define TOKEN_U16   "u16"
 #define TOKEN_U32   "u32"
 #define TOKEN_U64   "u64"
+#define TOKEN_I8    "i8"
+#define TOKEN_I16   "i16"
+#define TOKEN_I32   "i32"
+#define TOKEN_I64   "i64"
 
 /*
  * Represents the various token types that are
@@ -74,6 +78,10 @@ typedef enum {
     TT_U16,             /* 'u16' */
     TT_U32,             /* 'u32' */
     TT_U64,             /* 'u64' */
+    TT_I8,              /* 'i8'  */
+    TT_I16,             /* 'i16' */
+    TT_I32,             /* 'i32' */
+    TT_I64,             /* 'i64' */
 
     /* Values */
     TT_NUMBER,          /* <numbers> */
diff --git a/src/sys/np/core/np_lex.c b/src/sys/np/core/np_lex.c
index fffe465..b2fad3a 100644
--- a/src/sys/np/core/np_lex.c
+++ b/src/sys/np/core/np_lex.c
@@ -108,6 +108,27 @@ lex_cmp_itype(const char *tokstr, struct lex_token *res)
             break;
         }
         break;
+    case 'i':
+        if (strcmp(tokstr, TOKEN_I8) == 0) {
+            res->token = TT_I8;
+            break;
+        }
+
+        if (strcmp(tokstr, TOKEN_I16) == 0) {
+            res->token = TT_I16;
+            break;
+        }
+
+        if (strcmp(tokstr, TOKEN_I32) == 0) {
+            res->token = TT_I32;
+            break;
+        }
+
+        if (strcmp(tokstr, TOKEN_I64) == 0) {
+            res->token = TT_I64;
+            break;
+        }
+        break;
     }
 }
 
diff --git a/src/sys/np/core/np_parse.c b/src/sys/np/core/np_parse.c
index e72fa4e..aba7198 100644
--- a/src/sys/np/core/np_parse.c
+++ b/src/sys/np/core/np_parse.c
@@ -65,6 +65,10 @@ static const char *stoktab[] = {
     [TT_U16]    = "<TT_U16>",
     [TT_U32]    = "<TT_U32>",
     [TT_U64]    = "<TT_U64>",
+    [TT_I8]     = "<TT_I8>",
+    [TT_I16]    = "<TT_I16>",
+    [TT_I32]    = "<TT_I32>",
+    [TT_I64]    = "<TT_I64>",
 
     /* Values */
     [TT_NUMBER] = "<TT_NUMBER>",
@@ -149,6 +153,12 @@ parse_type(struct np_work *work, struct lex_token *tok)
     case TT_U16: return AST_U16;
     case TT_U32: return AST_U32;
     case TT_U64: return AST_U64;
+
+    /* Signed types */
+    case TT_I8: return AST_I8;
+    case TT_I16: return AST_I16;
+    case TT_I32: return AST_I32;
+    case TT_I64: return AST_I64;
     }
 
     return AST_BAD_TYPE;