From c1e514e03ab7de4399ca12c9ae988b0707a99f8b Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: 周二, 15 9月 2015 03:13:35 +0800
Subject: [PATCH] Resolve #46: Detect missing parameter
---
libscpi/src/lexer.c | 55 ++++++++++++++++++++++++++++++++++++-------------------
1 files changed, 36 insertions(+), 19 deletions(-)
diff --git a/libscpi/src/lexer.c b/libscpi/src/lexer.c
index e7dc48d..512655f 100644
--- a/libscpi/src/lexer.c
+++ b/libscpi/src/lexer.c
@@ -245,7 +245,7 @@
* @param chr
* @return
*/
-static int skipChr(lex_state_t * state, int chr) {
+static int skipChr(lex_state_t * state, char chr) {
if (!iseos(state) && ischr(state, chr)) {
state->pos++;
return SKIP_OK;
@@ -506,7 +506,7 @@
* @return
*/
int scpiLex_DecimalNumericProgramData(lex_state_t * state, scpi_token_t * token) {
- const char * rollback;
+ char * rollback;
token->ptr = state->pos;
if (skipMantisa(state)) {
@@ -594,8 +594,8 @@
* @return
*/
int scpiLex_NondecimalNumericData(lex_state_t * state, scpi_token_t * token) {
- token->ptr = state->pos;
int someNumbers = 0;
+ token->ptr = state->pos;
if (skipChr(state, '#')) {
if (!iseos(state)) {
if (isH(state->pos[0])) {
@@ -630,7 +630,7 @@
return (c >= 0) && (c <= 0x7f);
}
-static int skipQuoteProgramData(lex_state_t * state, int quote) {
+static void skipQuoteProgramData(lex_state_t * state, char quote) {
while (!iseos(state)) {
if (isascii7bit(state->pos[0]) && !ischr(state, quote)) {
state->pos++;
@@ -646,11 +646,11 @@
}
}
-static int skipDoubleQuoteProgramData(lex_state_t * state) {
+static void skipDoubleQuoteProgramData(lex_state_t * state) {
skipQuoteProgramData(state, '"');
}
-static int skipSingleQuoteProgramData(lex_state_t * state) {
+static void skipSingleQuoteProgramData(lex_state_t * state) {
skipQuoteProgramData(state, '\'');
}
@@ -690,15 +690,15 @@
token->len = state->pos - token->ptr;
if ((token->len > 0)) {
- token->ptr++;
- token->len -= 2;
+ //token->ptr++;
+ //token->len -= 2;
} else {
token->type = SCPI_TOKEN_UNKNOWN;
state->pos = token->ptr;
token->len = 0;
}
- return token->len > 0 ? token->len + 2 : 0;
+ return token->len > 0 ? token->len : 0;
}
/* 7.7.6 <ARBITRARY BLOCK PROGRAM DATA> */
@@ -716,8 +716,8 @@
int i;
int arbitraryBlockLength = 0;
const char * ptr = state->pos;
- token->ptr = state->pos;
int validData = -1;
+ token->ptr = state->pos;
if (skipChr(state, '#')) {
if (!iseos(state) && isNonzeroDigit(state->pos[0])) {
@@ -771,12 +771,12 @@
/* 7.7.7 <EXPRESSION PROGRAM DATA> */
static int isProgramExpression(int c) {
if ((c >= 0x20) && (c <= 0x7e)) {
- if ((c != 0x22)
- && (c != 0x23)
- && (c != 0x27)
- && (c != 0x28)
- && (c != 0x29)
- && (c != 0x3B)) {
+ if ((c != '"')
+ && (c != '#')
+ && (c != '\'')
+ && (c != '(')
+ && (c != ')')
+ && (c != ';')) {
return 1;
}
}
@@ -865,6 +865,26 @@
}
/**
+ * Detect token colon
+ * @param state
+ * @param token
+ * @return
+ */
+int scpiLex_Colon(lex_state_t * state, scpi_token_t * token) {
+ token->ptr = state->pos;
+
+ if (skipChr(state, ':')) {
+ token->len = 1;
+ token->type = SCPI_TOKEN_COLON;
+ } else {
+ token->len = 0;
+ token->type = SCPI_TOKEN_UNKNOWN;
+ }
+
+ return token->len;
+}
+
+/**
* Detect token New line
* @param state
* @param token
@@ -888,6 +908,3 @@
return token->len;
}
-
-
-
--
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