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enhanced line end handling

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This commit is contained in:
hyunghwan.chung
2016-09-06 16:06:22 +00:00
parent d704ce5975
commit 155babff74
5 changed files with 53 additions and 36 deletions
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1
stix/kernel/Stix.st
View File

@ -2,7 +2,6 @@
#include 'Class.st'.
#include 'Boolean.st'.
#########################################################################################
#class Error(Object)

58
stix/lib/comp.c
View File

@ -281,8 +281,8 @@ static int is_reserved_word (const stix_oocs_t* ucs)
return 0;
}
static int begin_include (stix_t* fsc);
static int end_include (stix_t* fsc);
static int begin_include (stix_t* stix);
static int end_include (stix_t* stix);
static void set_syntax_error (stix_t* stix, stix_synerrnum_t num, const stix_ioloc_t* loc, const stix_oocs_t* tgt)
{
@ -395,7 +395,7 @@ static int find_word_in_string (const stix_oocs_t* haystack, const stix_oocs_t*
(c >= 'A' && c <= 'Z')? ((c - 'A' + 10 < base)? (c - 'A' + 10): base): \
(c >= 'a' && c <= 'z')? ((c - 'a' + 10 < base)? (c - 'a' + 10): base): base)
static int string_to_smint (stix_t* stix, stix_oocs_t* str, int radixed, stix_ooi_t* num)
static int string_to_smooi (stix_t* stix, stix_oocs_t* str, int radixed, stix_ooi_t* num)
{
/* it is not a generic conversion function.
* it assumes a certain pre-sanity check on the string
@ -641,7 +641,21 @@ static int get_char (stix_t* stix)
stix->c->curinp->b.len = n;
}
if (stix->c->curinp->lxc.c == STIX_UCI_NL)
if (stix->c->curinp->lxc.c == '\n' || stix->c->curinp->lxc.c == '\r')
{
/* stix->c->curinp->lxc.c is a previous character. the new character
* to be read is still in the buffer (stix->c->curinp->buf).
* stix->cu->curinp->colm has been incremented when the previous
* character has been read. */
if (stix->c->curinp->line > 1 &&
stix->c->curinp->colm == 2 &&
stix->c->curinp->nl != stix->c->curinp->lxc.c)
{
/* most likely, it's the second character in '\r\n' or '\n\r'
* sequence. let's not update the line and column number. */
/*stix->c->curinp->colm = 1;*/
}
else
{
/* if the previous charater was a newline,
* increment the line counter and reset column to 1.
@ -650,6 +664,8 @@ static int get_char (stix_t* stix)
* TOK_EOF to be the same line as the lxc newline. */
stix->c->curinp->line++;
stix->c->curinp->colm = 1;
stix->c->curinp->nl = stix->c->curinp->lxc.c;
}
}
lc = stix->c->curinp->buf[stix->c->curinp->b.pos++];
@ -744,7 +760,7 @@ static int skip_comment (stix_t* stix)
{
break;
}
else if (c == STIX_UCI_NL)
else if (c == '\r' || c == '\n')
{
GET_CHAR (stix);
break;
@ -1320,14 +1336,14 @@ retry:
case '(':
/* #( */
ADD_TOKEN_CHAR(stix, c);
SET_TOKEN_TYPE (stix, STIX_IOTOK_APAREN);
SET_TOKEN_TYPE (stix, STIX_IOTOK_ARPAREN);
GET_CHAR (stix);
break;
case '[':
/* #[ - byte array literal */
ADD_TOKEN_CHAR(stix, c);
SET_TOKEN_TYPE (stix, STIX_IOTOK_BPAREN);
SET_TOKEN_TYPE (stix, STIX_IOTOK_BAPAREN);
GET_CHAR (stix);
break;
@ -1562,6 +1578,7 @@ static int begin_include (stix_t* stix)
arg->name = io_name;
arg->line = 1;
arg->colm = 1;
/*arg->nl = '\0';*/
arg->includer = stix->c->curinp;
if (stix->c->impl (stix, STIX_IO_OPEN, arg) <= -1)
@ -2553,7 +2570,7 @@ static int compile_method_name (stix_t* stix)
STIX_ASSERT (stix->c->mth.tmpr_count == 0);
stix->c->mth.name_loc = stix->c->tok.loc;
switch (stix->c->tok.type)
switch (TOKEN_TYPE(stix))
{
case STIX_IOTOK_IDENT:
n = compile_unary_method_name(stix);
@ -2654,7 +2671,7 @@ static int compile_method_primitive (stix_t* stix)
if (is_token_keyword(stix, VOCA_PRIMITIVE_COLON))
{
GET_TOKEN (stix);
switch (stix->c->tok.type)
switch (TOKEN_TYPE(stix))
{
case STIX_IOTOK_NUMLIT: /* TODO: allow only an integer */
/*TODO: more checks the validity of the primitive number. support number with radix and so on support more extensive syntax. support primitive name, not number*/
@ -3215,7 +3232,7 @@ static int __read_byte_array_literal (stix_t* stix, stix_oop_t* xlit)
{
/* TODO: check if the number is an integer */
if (string_to_smint(stix, TOKEN_NAME(stix), TOKEN_TYPE(stix) == STIX_IOTOK_RADNUMLIT, &tmp) <= -1)
if (string_to_smooi(stix, TOKEN_NAME(stix), TOKEN_TYPE(stix) == STIX_IOTOK_RADNUMLIT, &tmp) <= -1)
{
/* the token reader reads a valid token. no other errors
* than the range error must not occur */
@ -3268,14 +3285,13 @@ static int __read_array_literal (stix_t* stix, stix_oop_t* xlit)
do
{
switch (stix->c->tok.type)
switch (TOKEN_TYPE(stix))
{
/* TODO: floating pointer number */
case STIX_IOTOK_NUMLIT:
case STIX_IOTOK_RADNUMLIT:
lit = string_to_num (stix, TOKEN_NAME(stix), TOKEN_TYPE(stix) == STIX_IOTOK_RADNUMLIT);
if (!lit) return -1;
break;
case STIX_IOTOK_CHARLIT:
@ -3311,7 +3327,7 @@ static int __read_array_literal (stix_t* stix, stix_oop_t* xlit)
lit = stix->_false;
break;
case STIX_IOTOK_APAREN: /* #( */
case STIX_IOTOK_ARPAREN: /* #( */
case STIX_IOTOK_LPAREN: /* ( */
saved_arlit_count = stix->c->mth.arlit_count;
/* TODO: get rid of recursion?? */
@ -3320,7 +3336,7 @@ static int __read_array_literal (stix_t* stix, stix_oop_t* xlit)
stix->c->mth.arlit_count = saved_arlit_count;
break;
case STIX_IOTOK_BPAREN: /* #[ */
case STIX_IOTOK_BAPAREN: /* #[ */
case STIX_IOTOK_LBRACK: /* [ */
GET_TOKEN (stix);
if (__read_byte_array_literal (stix, &lit) <= -1) return -1;
@ -3490,7 +3506,7 @@ static int compile_expression_primary (stix_t* stix, const stix_oocs_t* ident, c
}
else
{
switch (stix->c->tok.type)
switch (TOKEN_TYPE(stix))
{
case STIX_IOTOK_IDENT_DOTTED:
ident_dotted = 1;
@ -3579,12 +3595,12 @@ static int compile_expression_primary (stix_t* stix, const stix_oocs_t* ident, c
break;
}
case STIX_IOTOK_BPAREN: /* #[ */
case STIX_IOTOK_BAPAREN: /* #[ */
/*GET_TOKEN (stix);*/
if (compile_byte_array_literal(stix) <= -1) return -1;
break;
case STIX_IOTOK_APAREN: /* #( */
case STIX_IOTOK_ARPAREN: /* #( */
/*GET_TOKEN (stix);*/
if (compile_array_literal(stix) <= -1) return -1;
break;
@ -3776,7 +3792,7 @@ static int compile_message_expression (stix_t* stix, int to_super)
do
{
switch (stix->c->tok.type)
switch (TOKEN_TYPE(stix))
{
case STIX_IOTOK_IDENT:
/* insert NOOP to change to DUP_STACKTOP if there is a
@ -4961,7 +4977,7 @@ static int __compile_pooldic_definition (stix_t* stix)
GET_TOKEN (stix);
switch (stix->c->tok.type)
switch (TOKEN_TYPE(stix))
{
case STIX_IOTOK_NIL:
lit = stix->_nil;
@ -4996,11 +5012,11 @@ static int __compile_pooldic_definition (stix_t* stix)
if (!lit) return -1;
goto add_literal;
case STIX_IOTOK_BPAREN: /* #[ */
case STIX_IOTOK_BAPAREN: /* #[ - byte array parenthesis */
if (read_byte_array_literal(stix, &lit) <= -1) return -1;
goto add_literal;
case STIX_IOTOK_APAREN: /* #( */
case STIX_IOTOK_ARPAREN: /* #( - array parenthesis */
if (read_array_literal(stix, &lit) <= -1) return -1;
goto add_literal;

1
stix/lib/main.c
View File

@ -197,6 +197,7 @@ static STIX_INLINE stix_ooi_t close_input (stix_t* stix, stix_ioarg_t* arg)
fclose (bb->fp);
stix_freemem (stix, bb);
arg->handle = STIX_NULL;
return 0;
}

2
stix/lib/stix-cmn.h
View File

@ -1,7 +1,7 @@
/*
* $Id$
*
Copyright (c) s2014-2016 Chung, Hyung-Hwan. All rights reserved.
Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions

13
stix/lib/stix-prv.h
View File

@ -244,8 +244,8 @@ typedef enum stix_iocmd_t stix_iocmd_t;
struct stix_ioloc_t
{
unsigned long line; /**< line */
unsigned long colm; /**< column */
unsigned long int line; /**< line */
unsigned long int colm; /**< column */
const stix_ooch_t* file; /**< file specified in #include */
};
typedef struct stix_ioloc_t stix_ioloc_t;
@ -301,8 +301,9 @@ struct stix_ioarg_t
int pos, len, state;
} b;
unsigned long line;
unsigned long colm;
unsigned long int line;
unsigned long int colm;
stix_ooci_t nl;
stix_iolxc_t lxc;
/*-----------------------------------------------------------------*/
@ -344,8 +345,8 @@ struct stix_iotok_t
STIX_IOTOK_RBRACK,
STIX_IOTOK_LPAREN,
STIX_IOTOK_RPAREN,
STIX_IOTOK_APAREN, /* #( */
STIX_IOTOK_BPAREN, /* #[ */
STIX_IOTOK_ARPAREN, /* #( */
STIX_IOTOK_BAPAREN, /* #[ */
STIX_IOTOK_PERIOD,
STIX_IOTOK_SEMICOLON
} type;