new language idea

04b/in03

@@ -243,7 +243,6 @@ align
 	reserve d8
 
 :handle_global
-	xcc
 	; ignore if this is the second pass
 	C=:second_pass
 	C=1C
@@ -262,6 +261,7 @@ align
 	8C=I
 	J=:global_variables
 	D=d5
+	
 	call :ident_lookup
 	C=A
 	?C!0:global_redeclaration
@@ -458,17 +458,15 @@ align
 ; look up identifier rsi in list rdi with separation rdx between entries
 ; returns address of whatever's right after the identifier in the list, or 0 if not found
 :ident_lookup
-	C=:second_pass
-	C=1C
-	; use default of 1 on first pass
-	?C=0:return_1
-	
 	C=:ident_lookup_sep
 	8C=D
 	C=:ident_lookup_i
 	8C=I
 	
 	:ident_lookup_loop
+		; check if reached the end of the table
+		C=1J
+		?C=0:return_0
 		I=:ident_lookup_i
 		I=8I
 		call :ident=
@@ -485,9 +483,6 @@ align
 		C=:ident_lookup_sep
 		C=8C
 		J+=C
-		; check if reached the end of the table
-		C=1J
-		?C=0:return_0
 		!:ident_lookup_loop
 		
 ; can the character in rbx appear in an identifier?
@@ -525,8 +520,8 @@ align
 	
 	; variable
 	J=:local_variables
-	D=d5
 	xcc
+	D=d5
 	call :ident_lookup
 	C=A
 	?C=0:rax2term_try_global

04b/in04b

@@ -1,4 +1,3 @@
-; types: char, short, int, long, *type
 ; declaration:
 ;     global <type> <name>
 ;     local  <type> <name>
@@ -11,7 +10,7 @@
 ;     <lvalue> += <rvalue>
 ;     <lvalue> -= <rvalue>
 ;     <function>(<term>, <term>, ...)
-;     syscall <term>, <term>, ...
+;     syscall <term> <term> ...
 ;     return <rvalue>
 ;     byte <number>
 ; term:
@@ -29,7 +28,7 @@
 ;     `<string>`
 ;     <var>
 ;     &<var>
-;     *<var>
+;     *1 <var> / *2 <var> / *4 <var> / *8 <var>
 ;     <var>[<term>]
 ;     ~<var>
 ;     <function>(<term>, <term>, ...)
@@ -48,18 +47,20 @@
 
 main() ; hello
 
-global char x
+global x
-global short y ;123
+global y ;123
-global long z
+global z
 
 :strlen
 function
-	argument *char s
+	argument s
-	local long len
+	local len
-	local char c
+	local c
+	local p
 	len = 0
 	:strlen_loop
-	c = s[len]
+	p = s + len
+	c = *1 p
 	if c == 0 goto strlen_loop_end
 	len += 1
 	goto strlen_loop
@@ -68,40 +69,40 @@ function
 
 :putc
 function
-	argument char c
+	argument c
-	local *char p
+	local p
 	p = &c
-	syscall 1, 1, p, 1, 0, 0, 0, 0
+	syscall 1 1 p 1 0 0 0 0
 	return
 
 :puts
 function
-	argument *char s
+	argument s
-	local long len
+	local len
 	len = strlen(s)
-	syscall 1, 1, s, len, 0, 0, 0, 0
+	syscall 1 1 s len 0 0 0 0
 	return
 
 :main
 function
-	local *char hello
+	local hello
 	hello = `Hello, world!
 `
 	puts(hello)
-	syscall 0x3c, 0, 0, 0, 0, 0, 0, 0
+	syscall 0x3c 0 0 0 0 0 0 0
 
 
 :f
 function
-	argument *long x
+	argument x
-	argument *long y
+	argument y
-	local long v
+	local v
-	local *long p
+	local p
-	v = *x
+	v = *4x
-	p = *y
+	p = *8y
-	*p = v
+	*4p = v
 	if v == 0 goto something
-	p[1] = v + 1
+	*1p = v + 1
-	return p[2]
+	return *2p
 	:something
-	return p[1]
+	return *4p