From 68723fae698fb8b031395612a75b0bcb905d240b Mon Sep 17 00:00:00 2001 From: Mark Mitchell Date: Fri, 25 Feb 2000 01:07:31 +0000 Subject: input.h (push_srcloc): New function. * input.h (push_srcloc): New function. (pop_srcloc): Likewise. * toplev.c (push_srcloc): Define it. (pop_srcloc): Likewise. From-SVN: r32141 --- gcc/toplev.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 47 insertions(+), 4 deletions(-) (limited to 'gcc/toplev.c') diff --git a/gcc/toplev.c b/gcc/toplev.c index 8a0fc88..ada79f9 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -1996,6 +1996,52 @@ check_global_declarations (vec, len) } } +/* Save the current INPUT_FILENAME and LINENO on the top entry in the + INPUT_FILE_STACK. Push a new entry for FILE and LINE, and set the + INPUT_FILENAME and LINENO accordingly. */ + +void +push_srcloc (file, line) + char *file; + int line; +{ + struct file_stack *fs; + + if (input_file_stack) + { + input_file_stack->name = input_filename; + input_file_stack->line = lineno; + } + + fs = (struct file_stack *) xmalloc (sizeof (struct file_stack)); + fs->name = input_filename = file; + fs->line = lineno = line; + fs->indent_level = 0; + fs->next = input_file_stack; + input_file_stack = fs; + input_file_stack_tick++; +} + +/* Pop the top entry off the stack of presently open source files. + Restore the INPUT_FILENAME and LINENO from the new topmost entry on + the stack. */ + +void +pop_srcloc () +{ + struct file_stack *fs; + + fs = input_file_stack; + input_file_stack = fs->next; + free (fs); + input_file_stack_tick++; + /* The initial souce file is never popped. */ + if (!input_file_stack) + abort (); + input_filename = input_file_stack->name; + lineno = input_file_stack->line; +} + /* Compile an entire file of output from cpp, named NAME. Write a file of assembly output and various debugging dumps. */ @@ -2257,10 +2303,7 @@ compile_file (name) input_filename = name; /* Put an entry on the input file stack for the main input file. */ - input_file_stack - = (struct file_stack *) xmalloc (sizeof (struct file_stack)); - input_file_stack->next = 0; - input_file_stack->name = input_filename; + push_srcloc (input_filename, 0); /* Perform language-specific initialization. This may set main_input_filename. */ -- cgit v1.1